text:
This application is a continuation-in-part of application Ser. No. 388,586, filed Aug. 15, 1973 now U.S. Pat. No. 3,879,094.
The use of motors in bore hole drilling, especially drilling for oil and gas but also in mining operations, has been a standard procedure in the art. Such motors are employed to rotate drills for boring in the earth both for forming a bore hole and also for coring. The motors are also useful in oil field operations, such as tube cleaning, milling operations, cement drilling and other operations where it is desired to rotate a rod at the end of which a tool is to be rotated. We refer to such motors as in-hole drills when designed to be run at the end of a pipe and adjacent to the drill bit. In the usual case, the rotor of the motor and the drill bit rotate with respect to a stator which, in turn, is connected to a conventional drill string composed, in the case of the drilling of well bores, of a "kelly," drill pipe and drill collar as required. This string extends to the surface with the kelly mounted in the rotary table. Where the in-hole motor is a hydraulic motor used as an in-hole motor used in drilling, the liquid is the usual drilling fluid, i.e., mud or gas. It serves its usual function in the drilling operation, returning to the surface carrying the detritus, i.e., cuttings resulting from the drilling operation. However, in this combination, the circulating mud has an additional function and that is to supply the hydraulic power to operate the hydraulic motor.
One of the primary problems resides in the design of the bearing system which will permit operations for periods of economic length.
Because of the failure of bearing seals in the prior art, it has been conventional to employ bearings without seals and to rely on a part of the circulating mud to pass through the bearings to lubricate them. Such bearing systems are shown in E. P. Garrison et al, U.S. Pat. No. 3,516,718 issued Jan. 23, 1970.
When mud lubricated bearings are employed with motors of the helicoidal type, such as have been employed in the prior art in-hole motors, problems arise with respect to limiting the flow of mud through the bearings and problems arise from the eccentric motion of the rotor. Such motors are shown in Clark U.S. Pat. No. 3,112,801, patented Dec. 3, 1963, and have been widely distributed by Smith International, Inc. under their registered trademark "Dyna-Drill". Such motors are described in the article by H. M. Rollins, "Bit Guiding Tools Provide Better Control of Directional Drills," World Oil, June 1966, pages 124-135, and are also discussed below.
The prior art solutions for limiting the by-pass of mud through the bearings are shown in the Garrison patent. These include the provision of a grooved rubber radial bearing which also acts as a flow restrictor to limit the fluid by-passing through the bearings so as not to rob unduly the main flow through the bit nozzles required to provide the necessary flow to remove the cuttings.
Since the rotor of the motor rotates in an eccentric manner, it is necessary to convert this motion into a true rotation about a fixed axis so that the bit may be rotated in the proper manner. This is accomplished by connecting the end of the rotor to a connecting rod by means of a universal joint and connecting the connecting rod to a drive shaft by means of a second universal joint.
Problems have arisen in such prior art combination. The rubber radial bearings, which even in the first place due to molding limitations do not act adequately to restrict the amount of by-pass, deteriorate in use and result in premature failure. This failure includes erosion of the bearing passageways whereby the grooves are washed out. The rubber is torn away from the sleeve to which it was bonded. Bearing failure occurs, in part, due to the excessive flow of mud through the bearings resulting in an excessive erosion of the bearings. An additional difficulty is that the excessive by-pass requires an increase in the volumetric rate of mud flow into the system in order to maintain the required nozzle velocities and pressure drops across the bit nozzles to move the mud cuttings to the surface, and aid in the cutting action.
The percentage of the fluid by-passed, even with newly formed radial rubber bearings, it excessive because it is difficult to mold such bearings to form passageways through the bearings that will have the desired flow resistance and yet provide a suitable bearing surface which will not have excessive frictional resistance. The erosion of the mud is also a problem. It is to be recognized that pressures drop between the stator discharge to the annulus exterior of the drill may be of the order 200 to 1500 pounds per square inch and a volumetric rate of flow from 50 to about 600 gallons per minute, depending upon the depth, nature of the mud, size of the tool, designs of the nozzles of the bit.
The pressure drop and volume rate of flow of the mud through the stator depend on the horsepower requirement and drill and rpm of the drilling effort. This establishes the gallons per minute of mud that must be circulated. The mud input pressure is fixed by the total pressure drop through the drill string, the hydraulic motor, bit nozzle and annulus pressure drop. The volume by-passed through the bearings is subtracted from the flow through the nozzles. The pump must provide for sufficient input to supply the required flow rate and pressure drop. Mud by-passed through the bearings discharges into the hole annulus. It adds to the mud input required to supply that required to be passed through the nozzles and adds to the velocity of the mud in the annulus. The bit manufacturer usually supplies the nozzle pressure drop to give the required lifting effect and cutting action. Furthermore, the depth to which a well may be serviced by a given pump assembly and therefore the limit of bit advance depends on the permissible horsepower required to move the mud through the motor to and through the bit nozzles and return the cuttings to the surface. Any additional demand on the pump, required to supply excessive by-pass is a limitation on the depth to which a given drilling rig can go.
It is difficult to build a rubber bearing which is so finely tuned as to meet these parameters and not permit an excessive flow through the bearings. Furthermore, as has been stated above, pressure drops tend to erode the passageways in the rubber bearing so that they do not for long retain their original cross-sectional areas.
Further, while the universal joints do a fairly good job in the case of the helicoidal motors of converting the eccentric motion of the rotor to a rotary motion, there remains a residual force on the drive shaft which is transverse to the axis of rotation. This transverse force is periodic in direction, reversing itself on each reversal of the eccentric motion. Additionally, when drilling in steeply dipping formations or in drilling out dog legs, or in drilling deviated holes, particularly when using bent subs at the connecting rod, a thrust is encountered at the bit which is transverse to the bit axis. The result is a working of the rubber of the bearing.
An additional problem with rubber bearings is in the influence of the geothermal effect. The temperature in the bore hole may range up to several hundred degrees above ground temperature, depending on the depth. This adds to the heat developed from friction, which due to the low heat conductivity of rubber is not readily carried away by the circulating mud. Despite the cooling effect of the by-pass fluid, this temperature taken together with the frictional heat of the bearing, and the hysteresis of the rubber resulting from the cyclic transverse thrust of the drive shaft, all operate to impair the physical properties of the rubber. Failure of the rubber bearing is not uncommon.
An additional problem arises, as we have found from the failure in the bond between the rubber and the sleeve to which it is bonded. We have observed large pieces of the rubber bearing that have been torn away from the sleeve in use. We have solved the problem arising from deficiencies of the rubber material by employing instead of a rubber, a radial bearing of hard, rigid metal.
In the co-pending application Ser. No. 388,586, by employing material having a hardness greater than the "Sand" or other solid materials in the circulating mud, we avoid the problem arising from the erosion of the by-pass passageways. The bearings may be formed with restricted passageways which may be accurately formed to be having, and have, a hardness greater than the "sand" or other solid materials in the circulating mud, we avoid the problem arising from the erosion of the by-pass passageways. The bearings may be formed with restricted passageways which may be accurately formed to be metering passageways for the mud. Being made of hard metal, problems arising from maintaining the integrity of the radial bearing are avoided. Being made of rigid metal, the residual oscillatory forces transverse to the drive shaft are resisted and a true axial rotation is made possible. Being made of metal of good heat conduction, frictional heat will not build up in the bearing parts and the cooling effect of the mud will be effective to cool the bearing parts.
In our invention as described in said co-pending application, accurate metering characterists are achieved. The mud is permitted to wet the rubbing surfaces and act as a lubricant.
This invention will be further described by reference to the drawings of which:
FIG. 1 is a somewhat schematic partial section of a motor assembly to which our invention may be applied.
FIG. 2 is a vertical section of that portion of the motor such as is shown in FIG. 1, taken through the portion of the tool below the end of the connecting rod.
FIG. 3 is a section taken on line 3--3 of FIG. 2.
FIG. 4 is a sectional view of a modification of the bearing shown in FIGS. 2 and 3.
FIG. 5 is a partial section of a modified detail of FIG. 2.
FIG. 6 is a section taken at 6--6 of FIG. 2.
FIG. 7 is an enlarged view of a portion of FIG. 2.
FIG. 8 is a section on line 3--3 of a modification.
FIG. 9 is a sectional view through a modification of the bearing of our invention.
FIG. 10 is a perspective view, partly broken away, of the modification of FIG. 9.
FIG. 11 is a sectional view of another modification of our invention.
FIG. 12 is a perspective view, partly broken away, of the modification of FIG. 11.
FIG. 13 is a sectional view of a modification of the radial bearings shown in FIG. 1.
FIG. 14 is a section taken on line 14--14 of FIG. 13.
In FIG. 1, a by-pass valve of conventional design is positioned below the drill collar of a conventional oil well drill string. An example is shown in the Clark et al U.S. Pat. No. 3,005,507 patented Oct. 24, 1961. Since this valve forms no part of this invention and illustrates merely a conventional piece of equipment useful with systems such as the motor shown in FIG. 1, no further description is necessary.
A conventional drill string including the drill collar which imposes the weight on the drill bit may be connected to the by-pass valve by the usual pin and box-tool joint. The drill pipe extends to the surface and passes through a rotary table by means of the usual kelly.
While we have described our invention by reference to the preferred embodiment, it may be applied to any shaft and bearing assembly; and it is of particular value when used in an inhole motor, such as a turbine motor known as the turbo drill, an electrical motor with a hollow shaft through which the fluid may be passed or the progressive cavity motor described herein.
The motor shown in FIG. 1 is a progressing cavity motor. The motor housing 3 (see FIG. 1) is connected to the by-pass assembly 1. The motor housing 3 carries a stator 4 bonded to the interior surface of the housing 3. The connecting rod assembly housing 5 is connected to the motor housing 3 and the bearing housing 7. The bearing assembly housing 7 contains radial and thrust bearings assemblies. The housing 7 is connected by a pin and box connection to the housing 5, all to be more fully described below.
The rotor 9, mounted inside the stator 4, at its lower end is connected to the connecting rod 10 by a universal joint 11. The connecting rod 10 is connected to the tubular drive shaft 15 through the drive shaft cap 13 by a like universal joint 12. (See Gif. 2).
The universal joint may be such as described in the Neilson et al U.S. Pat. No. 3,260,318 patented July 12, 1966 or in the Neilson et al U.S. Pat. No. 3,260,069 patented July 12, 1966.
The connecting rod and universal joints may be enclosed in a flexible cover to protect them from erosion by the mud.
The motor shown is of the helicoidal type. The outer body of the motor that is the stator is composed of an elastomer, for example, a rubberlike compound, which creates a spiral cavity throughout its length to provide a double spiral groove. The passage of fluid through the stator 4 and by the rotor along its length causes a rotation of the rotor and a movement of the rotor from side to side creating eccentric rotation at the end of the rotor where it is connected to the connecting rod. Because of the universal joints, the eccentric motion is converted into a rotary motion at the drive shaft 15. The fluid as it exits the stator passes through the connecting rod housing 5, around the connecting rod and cap 13 through by-pass annulus 72. The cap 13 is provided with orifices 14 (see FIGS. 1 and 2). At this point, the mud is under very high pressure and passes in considerable volume from the exit of the stator.
The drive shaft cap 13 is screwed onto the drive shaft 15. It carries a retaining ring 16 positioned in a receiving groove 19 in the cap 13 and against which is set the drive shaft collar 17 which locks the split ring 18. The flange 20 of the split ring 18 enters the notch 21 of the drive shaft. The cap 13 carrying the orifice 14 is thus secured from unscrewing.
The upper bearing is formed of the upper race 22 spaced from the bottom of the flange 20 of the split ring 18 for purposes to be described further below. It is composed of the upper race 22, ball 21' and the lower race 22'. It is secured by pins 23 which fit in receiving bores in the ring 24 which carries dependent dogs 25 which fit into receiving notches formed in the end of the pin 26 of the housing 7. The ring 27 is mounted in receiving grooves formed in the drive shaft and secured in position by set screws 28. The race 22' is spaced. from the shaft and the race 22 is spaced from the interior wall of the housing 6.
The ring 27 is counterbored to provide an annular space 27' underneath the ring and between the ring and the drive shaft.
The flow restrictor of our invention is combined with a radial bearing and is designed so that it will act to minimize the entry of sand or other abrasive particles into the bearing assemblies. It acts as a radial bearing as well as a flow restrictor. The Garrison U.S. Pat. Nos. 3,489,231 patented Jan. 13, 1970, and 3,456,746, patented July 22, 1969, illustrate such flow restrictor bearing assemblies but made of rubber.
The radial bearing flow restrictor is composed of a steel sleeve 29 containing a circular notch. The sleeve 29 is positioned in housing 7 and sealed against the wall of 7 by the "O" ring 35. A tungsten carbide sleeve 30 is positioned in the sleeve 29.
The ends of the sleeves 29 and 30 are notched to receive the dogs 25. The complementary rotating portion of the radial bearing includes a steel sleeve 31 which extends into the annular space 27' between the ring 27 and the drive shaft 15. The sleeve 31 is grooved along its length in a plurality of spaced grooves 34 to receive a plurality of circumambiently spaced tungsten carbide rods 32 spaced from each other.
The external diameter of the sleeve 31 is somewhat less than the internal diameter of the sleeve 30. The tungsten carbide rods 32 are of suitable cross-section; for example, rectangular cross-section. They are fitted into and held in the grooves 34 as by soldering or other suitable means. The rods extend the length of the groove 34. The external surfaces of the rods 32 are arcuate so as to be concentric with the interior surface of the tungsten carbide cylinder 30 and of substantially the same radius of curvature, thus forming a rubbing fit.
Because of the slightly different diameters of the steel sleeve 31 and tungsten carbide sleeve 30, an interrupted annular space 33 is provided extending between the rods 32. This forms fluid passageways from the outlet of the stator around the cap 13 and through the upper bearing and through the spaced parts above the radial bearing and through the restricted passageways 33.
As will be seen, the tungsten carbide sleeve 30 is a stationary member of the radial bearing being mounted on the stationary housing and held against rotation by the dogs 25 (see FIGS. 2, 7, and 13). The rotary member of the radial bearing is the sleeve 31 keyed by key 36 to the tubular shaft 15. The key 36 enters a notch 39 in the flange 36' of the sleeve 31.
The contiguous surfaces of 30 and the rods 32 form rubbing surfaces suitably smooth and thus act to direct the fluid and contained solids through the passageways. The use of tungsten carbide or other material of similar hardness will preserve the rubbing surfaces against scratching or deformation which may impair the utility of the rotary bearing restrictor. The frictional load is minimized by the fact that the surfaces are continually wetted as the interrupted annular arcuate passageways 33 sweep over the inner surface of 30.
Instead of tungsten carbide having a hardness of the same or greater number, we may use hard materials having Knoop or Vickers hardness of about 1700 or more kg/mm square, such as ceramics, for example, alumina and the nitrides or borides provided they have the impact resistance, hardness, tensile strength as well as a Young's modulus suitable to serve in the place of tungsten carbide and particularly have a resistance to the abrasion effect from sand and mud.
The spacer sleeve 37 is notched at 38 at its upper end to receive the dog 35' depending from the sleeve 29. The spacer sleeve 40 is notched at its upper end at 41 to receive the dog 41' depending from 31.
The housing 43 is welded to the housing 7 and the housing 8. It carries a radial bearing flow restrictor of design similar to that of the upper radial bearing flow restrictor assembly. Like parts in the lower radial bearing assembly, shown in FIG. 2, carry the same number as in the upper radial bearing assembly but primed. The steel sleeve 29' carries the tungsten carbide sleeve 30'. The steel sleeve 31' is notched and carries bars 32' spaced apart and with the sleeve 30' form the restricted passageways 33' as in the upper radial bearing.
The sleeves 30' and 29' are notched at their upper ends to receive dogs depending from the spacer sleeve 37. The sleeve 31' is notched at its upper end to receive a dog depending from the sleeve 40.
The lower bearing assembly may be of any suitable design. As shown in FIG. 2, it is formed similarly to that shown in the Garrison et al U.S. Pat. No. 3,516,718 with some modification in the interlock between the races, the shaft, and the housing.
The lower radial bearing housing 43 is notched to receive pin 45 mounted in the wear plate 44.
The wear plate 44 carries a depending dog 47 which enters into a groove 46 in the upper race 48. The equalizer segment 49 of which there are a number spaced about the shaft 15, are mounted on a wire 50 and are positioned between the wear plate 44 and the race 48. The segments are made with an arcuate lower surface so as to present two pressure points, 51 bearing on the race 48 and pressure point 52 bearing on the end of the sleeve 55.
The race 48 is pinned to the sleeve 55 by the pin 53 which enters the notch 54 formed in the end of the sleeve 55. The ball 57 is positioned between the races 48 and 56. The race 56 is pinned by the pin 59 to the sleeve 60 at the end of 60. The sleeve 55 is pinned to race 58 by pin 57' which enters into the flange 61 at the end of the sleeve 55. The race 63 is notched at 62 to receive the end of the sleeve 60 and is pinned by pin 64 which is received in a notch 65 in the boss 66 above the bit box 70.
There is thus provided a passageway from the annulus 72 around the cap 13, through the annulus between the race 22 and the housing 5 and between the race 22' and the shaft 15, through the flow restrictor grooves 33, through the annular passageway 73 between the spacer sleeves 37 and 40, through the passageways 33' in the lower radial bearing assembly. These passageways communicate with the lower thrust bearing assembly which provides a fluid passageway through the assembly and between the races discharging through the end 74 of the housing 8 between the housing 8 and the shaft 15.
While the radial bearing flow restrictor assembly of our invention described above is useful with any thrust bearing, we prefer to employ spring loaded bearings such as are described in the aforesaid application Ser. No. 354,954, now U.S. Pat. No. 3,894,818.
For example, the bearings described in connection with FIG. 2 may be modified as shown in FIG. 5 by omitting pin 45 and the receiving notch and providing an internal flange 43' on housing 43, introducing a spring, for example, a Belleville spring washer 75, between the wear plate 44 and the end 76 of the housing 43. However, we prefer to employ the bearing assembly shown in FIG. 4 which is the invention of one of us and is described in the copending application Ser. No. 354,954.
The radial bearing flow restrictor of FIG. 4 assembly is constructed similarly to those shown in FIGS. 2 and 3, with the modifications shown in FIG. 4 and described below. Parts of the radial bearing like those described in connection with FIGS. 2 and 3 are numbered with like numbers but 100 greater. The modifications to mount the radial bearing in the construction of FIG. 4 are described below.
The sleeve 131 is spaced below the drive shaft cap 13 into which the tubular drive shaft 115 is threaded and keyed at the key 130', so as not to shoulder against the end of 13 (see FIG. 4).
As in the forms shown in FIGS. 2 and 3, the external diameter of the sleeve 131 is somewhat less than the internal diameter of the tungsten carbide sleeve 130. The sleeve 131 is provided with a plurality of circumambiently disposed grooves 134 into which are fitted tungsten carbide rods 132 of cross section, as in the form of FIGS. 2 and 3. They are similarly fitted into and held in the grooves 134 and extend the length of the sleeve 131. As described above, the external surface of the rods 132 are arcuate so as to be concentric with the interior surface of the tungsten carbide sleeve 130, thus forming a rubbing fit. Because of the slightly different dimensions of the outside diameter of the steel sleeve 131 from the inside diameter of the sleeve 130, an interrupted annular space 133 is provided extending between the rods 132 as in the form of FIGS. 2 and 7.
The end of the sleeve 129 is formed with diametrically spaced dogs 126 which fit into diametrically opposed notches 126' in the ring flange 127 formed integrally with the housing 106. The flange 127 is spaced from the bottom of the radial bearing to provide an annulus 128. The nut 141 is threaded to the exterior of the drive shaft 115. The nut 141 is spaced from the flange 127 at 128 to provide an annular channel. As will be observed, the discharge of fluid from the restricted passageways 133 enters the annulus 128', and passes around the dogs 126 and through annulus 127' between drive shaft 115 and ring flange 127 into the annulus 128.
As in the case of the radial bearings of FIG. 2, instead of tungsten carbide, we may use other materials, as described previously.
The upper bearing assembly shown in FIG. 4 composed of the races 148 and 147 and balls 149 together with the pressure plate 150 and associated springs 152 set in the spring retaining bores 153 form the upper bearing assembly. The nut 141 is screwed to the shaft and locked by the lock washer 167 carrying a finger 166' fitting into a vertical groove 166 and having a plurality of end fingers 164 which are bent up to fit into a number of end grooves 165 formed in the outside surface of the nut. The assembly supports the weight of the rotor, connecting rod, drive shaft and drill bit when the bit is raised off bottom by means of the drilling lines conventionally used in oil well drilling. In the form shown in FIG. 4, the tool is in position as it would be with a load imposed on the bit by the drill string including the housings 105, 106, and 107 through the medium of the drive shaft as will be more fully described below.
Attention is drawn to the provision of clearance between the end of the drive shaft cap 13 (see FIG. 4) and the radial bearing sleeve 131 and rods 132 and the provision of annulus 128 and annulus 128'. The purpose of these clearances will be further described below.
When the tool is in the position shown in FIG. 4, as with the bit in drilling position on bottom, with the load of the drill string and housing on the lower bearings, the load is off the upper thrust bearing. The nut 141 exerts a sufficient compression of the springs 152 via plate 150 to hold races 148 and 147 snugly against the balls 149. The race 147 is positioned on top of the end 151 of the pin 152' of the housing 107. The dog 153' integrally formed with the race 147 fits into an end-notch 154 positioned in the end 151.
The housing 107 is of enlarged diameter ending in a beveled shoulder 169 against which is positioned the load plate 156. The races 157, 158, and 159 and balls 160 form an upper tandem bearing assembly. This assembly is supported on the retaining ring 161 positioned in groove 162 of the drive shaft 115.
The lowermost race 159 is locked in position on the drive shaft 115 by means of a lock washer 163 having extended fingers 164 which are bent up to enter notches 165 in the outer surface of race 159 and has internal finger 166' set in a receiving groove 166 in the shaft 115. The Belleville spring 168 is positioned between the race 157 and the load-transmitting pressure plate 156 seated against the beveled shoulder 169.
A similar bearing assembly is provided, composed of races 170, 171 and 172 and balls 173 which form a second set of tandem bearings. The lowest race 172 is supported on the retainer ring 174.
The lower race is locked in position on the drive shaft by means of a lock washer 175 similar to lock washer 163. The internal finger is positioned in the groove 176 and the external fingers in the circumferentially spaced end notches 177. The pressure plate 178 is seated against the internal shoulder 179 with the Belleville spring 180 positioned between the pressure load transmitting plate 178 and the upper race 170.
Similar arrangement is provided in connection with the lowest tandem bearing assembly composed of the races 181, 182, and 183 and balls 184. Race 183 has a plurality of circumambiently arranged notches 183'. The lock washer 185 has a structure similar to the structure of the lock washer 163. The external fingers of the lock washer are bent up into the notches 183' spaced about the circumference of the race 183. The internal finger is bent up into the groove 187 in the manner similar to that described in connection with the lock washer 163. The load transmitting plate is positioned underneath the internal ledge 189 to bear on the Belleville spring 180' mounted between the pressure plate 188 and the race 181. The lower race 183 is supported on the retainer ring 185'.
The end radial bearing assembly is constructed similarly to the upper radial bearing assembly and that described in connection with FIG. 2 with some modifications as will be described below, like parts bearing the same number as in the radial bearings in FIG. 2 but with numbers which are 200 greater.
The outer tungsten carbide cylinder 230 is mounted in the fitting 229 and sealed by "O" rings and held in position by retaining ring 281 and anti-rotation pin 282 which enters the notch 283 in 230.
The complementary steel sleeve 231 is mounted on the surface of the drive shaft 115. It carries tungsten carbide rods 232, in grooves and spaced from each other to form restricted passageways 233 as in the upper radial bearing.
The sleeve 231 is locked to the shaft 115 and the sleeve 230 is locked to 229. Fitting 229 is locked to housing 107.
The drill bit box 190 is formed integrally with the drive shaft 115 at the end thereof. The box carries a fitting 191 which has dogs 192 diametrically arranged which are adapted to fit into the notches 287 at the ends of 231 and 232. The fitting 191 is located on the drill bit box shoulder 194 by pins 193 positioned in the box 190 and by entry into the bores 195.
As stated above, the assembly as shown in FIG. 4 shows the parts with the load on the lower bearing as if the weight of the drill string was on the bit as in drilling position. In that case, the dogs 192 are still entered into the slots 287. The load transmitted to plates 156, 178, and 188 has partially compressed the Belleville springs.
When the drill string is raised to bring the bit off bottom, the load on the Belleville springs is reduced but remains sufficiently loaded to hold the races snugly against the balls. The housings and shaft have moved axially relative to each other. As described above, the weight of the rotor, connecting rod and drive shaft is now on the pressure plate 150 and via springs 152 on the upper thrust bearing.
FIG. 8 shows a modification of the radial bearing of FIGS. 1 through 7 in which the sleeves carrying the tungsten carbide elements are mounted in reverse to that shown in FIGS. 1 through 7. The steel sleeve 301 carrying the tungsten carbide bars 302 is keyed to the interior of the housing 303 and carries the tungsten carbide bars 302 in a manner similar to 31 of FIG. 7.
The tungsten carbide sleeve 304 is mounted on the steel sleeve 305 in a manner similar to the tunsten carbide sleeve 30 shown in FIG. 7 and the steel sleeve 305 is mounted by means of a suitable key on shaft 15 in a manner similar to that shown in FIG. 7. The steel sleeves are interlocked with the parts above and below the ends of the sleeves in a manner similar to that shown in connection with FIGS. 1 through 7. It will be observed, however, that the steel sleeve mounted on the shaft carries the tungsten carbide sleeve while the steel sleeve mounted on the interior of the housing carries the circumambiently spaced bars 302. The internal diameter of the steel sleeve 301 is greater than the external diameter of the tungsten carbide sleeve 304 thus providing the interrupted annular passageway 306 extending the full length of the sleeves and forming the fluid communication between the ends of the sleeves.
FIGS. 9 through 12 show a modification of our invention, by which the hard material bearing is formed of two sleeves of the hard material referred to above and mounted on the shaft and housing in the manner described above. As shown in FIGS. 9 and 10, the grooves 407 are formed in the inner bearing sleeve 406, mounted in the sleeve 408, keyed to the shaft 409 by the key 410. The bearing sleeve 405 is mounted on the sleeve 404 in the housing 403.
In FIGS. 11 and 12 the grooves 506 are formed in the outer bearing sleeve 505, mounted in sleeve 504 in the housing 503. The inner bearing sleeve 508 is mounted on the shaft 509 by the key 510.
In FIGS. 13 and 14, the structure is the same as shown in FIGS. 1, 4, and 7 except that the sleeves 31 and 34 are replaced by sleeve 601. Sleeve 601 may be made of solid hard materials, such as tungsten carbide and alumina as in the other forms described above or particles of the aforesaid hard materials bonded with metal matrix as described above and suitably formed into the shapes described above. We prefer, however, that the rectangular inserts 606 be spaced in longitudinal and circumambient array and bonded by fusion in rectangular grooves formed in sleeve 601. Sleeve 601 is preferably made of material known as matrix in the art of making diamond bits.
We have found that the use of solid bearing members made of the hard materials such as described above are brittle and tend to break up when the transverse impact by the shaft becomes large. Further, in the case of the form, such as shown in FIG. 3 where the bars 32 are set in a steel sleeve, the annular spaces 33 are undercut to an extent sufficiently to destroy the bond between the bars 32 and the sleeve 31. Further, the bars are brittle and are subject to destruction by impact forces.
The form shown in FIGS. 9-12 formed entirely of the hard material will resist the erosion of the grooves 407 or 506. However, they are brittle and have the disadvantage described above.
We have solved the problem of brittleness by employing instead of solid shapes of hard material, either as bearing sleeves or as the bars, metal matrix bonded particles of the hard materials described above. Such material will have the desired resistance to erosion and the necessary properties to resist injury to the forces imposed on them during use by the movement of the shaft.
Thus, in FIG. 3, the sleeves 30 and 31 as well as the unit 32 may be made of particles of hard material such as tungsten carbide or alumina particles dispersed in a metal matrix. In FIG. 8, the sleeve 301, bars 302, and sleeve 304 may be similarly constructed. So, also, may sleeves 404 and 408 in FIGS. 9 and 10 and sleeves 505 and 508 of FIGS. 11 and 12 be formed of the matrix bonded hard particles.
Preferably, also, the sleeve 601 is made of the matrix bonded hard particles and is formed with longitudinally extending grooves 605 connecting the space above the flow restrictor with the space below the flow restrictor.
The bearing elements of my invention may be fabricated by standard techniques from tungsten carbide or ceramic material such as alumina. A preferable material is the metal bonded hard particles such as have been employed in the abrader arts.
The methods for producing shapes of metal bonded hard materials such as referred to above are described in the Wilder et al U.S. Pat. Nos. 3,757,878; 3,757,879; and 3,841,852.
The particles of hard material such as described above may be dispersed in a metal matrix powder and introduced into a mold of desired shape. The temperature of the mold is raised to fuse the metal and bond the hard particles. The particles of hard material, for example, of Knoop hardness of about 1800 or higher are dispersed and held in the metal matrix such as copper-based alloys such as brass or bronze alloys and copper-based alloys containing alloying metal such as one or more of the following: nickel, cobalt, tin, zinc, manganese, iron and silver. The matrix bonded material has suitable compressive and impact strength and micro-hardness. (See U.S. Pat. No. 3,841,852, col. 7, line 53, et seq.)


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Louisville Boating
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subset: commoncrawl


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Two options for getting to Marin from OAK:
A van will pick you up at the airport and deliver you directly to your hotel or any other location in Marin County.
Cost: approximately $50 per person. Discount for people traveling together. You must call to reserve a seat.
Cost for a taxi from OAK to Mill Valley is approximately $150.
Car Rentals
Operated out of Mill Valley and San Rafael, and will always pick people up if they take the Airporter, or they will leave the car at Seminary Drive if you come in late or early. About $140.00 a week or $400-$500 a month.
phone (toll free): 800-325-8007
phone (Mill Valley): 415-749-0444
phone (S F Airport): 650-697-9200
phone (toll free): 1-800-367-2277
phone (San Rafael): 415-460-0863
phone (SF Airport): 650-737-8080
phone (toll free): 1-800-831-2847
phone: (San Rafael) 415-472-7878
phone: (SF Airport) 650-877-6780
The main bus system in Marin county is Golden Gate Transit. You can get around with buses in Marin County and from San Francisco, but they are time-consuming.
Use www.511.org for all Bay Area transit schedules and route planning
There are bike paths throughout Marin County. You can also take your bicycles on most Golden Gate buses and ferries.
Marin Suites Hotel (415) 924-3608, 45 Tamal Vista Blvd., Corte Madera
Holiday Inn Express Mill Valley (415) 332-5700, 160 Shoreline Avenue, Mill Valley
Acqua Hotel (415) 380-0400, 555 Redwood Highway, Mill Valley
Mill Valley Inn (800) 595-2100, 165 Throckmorton Avenue, Mill Valley
Extended Stay Deluxe – San Rafael (415) 451-1887, 1775 Francisco Blvd. East, San Rafael, CA 94901
Courtyard Marriott (415) 925-1800, 2500 Larkspur Landing Circle, Larkspur


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Carsington Water . Ashbourne . Derbyshire
Day Sailing
Day Sailing on Carsington Water.
Day Sailing at Carsington Sailing Club costs £30 per day (£15 per half day) and is available five days a week, Wednesday to Sunday inclusive.
This fee also makes you a temporary Day Member and allows you to make full use of the Clubhouse and its facilities.
Please contact the club before turning up in order to ensure that Day Sailing is available on the date in question.
Whenever you sail at Carsington Sailing club there is always safety cover provided.
Day Sailors must have boats that are listed on the "Boats to Sail" list and must follow the Club Rules.
Health and Safety requirements must also be followed at all times.
A simple check list is:
- Craft must be in a good seaworthy condition.
- 3rd Party Liability Insurance with a minimum cover of £2m.
- Suitable Sailing Experience for the type of boat.
- Suitable Buoyancy Aid or Lifejackets for ALL Crew members.
For your own safety all Sailors on Carsington Water MUST Wear a Suitable a Buoyancy Aid or Life Jacket at ALL times.
Furthermore it is a club rule that all sailors must wear either a wetsuit/drysuit or clothing providing a similar level of protection between November 1st and April 30th. It is also recommended that appropriate clothing of a similar nature should be worn from May 1st to October 31st.
Weekly Rate:
We also offer Weekly Rates and Overnight Storage of boats for anyone wishing to sail over their holiday period.
For more details please contact the club office (01629 540609)


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Home > Shop by Brand > B.Tempt'd by Wacoal
b.sultry is a glamorous and chic collection. The thong features a delicate chantilly lace front combined with a stretch mesh body, offering less coverage for a flirtatious feel in sizes S to XL.
Soft, comfortable and sleek, b.splendid is the perfect everyday essential. Choose from a countour bra or a wire free push up bra, featuring push up pads and a plunged neckline to give cleavage without the wire.
Wear a hot little number on the outside and b.wowd on the inside for a look that will turn heads.
Ciao Bella
A fabulously feminine collection featuring beautiful lace and pretty bow detailing, Ciao Bella returns in a rich wineberry hue.
B.Tempt'd Sale
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Image by Gerry Cambridge
b. 1959
Sparkling poems full of sensuous richness and linguistic inventiveness - Edwin Morgan "
David Kinloch
In Search of Dustie-Fute, Carcanet, 2017
Finger of a Frenchman, Carcanet, 2011
In My Father's House, Carcanet, 2001
Un Tour D'Ecosse, Carcanet, 2001
Paris-Forfar, Polgon, 1994


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Bryce Canyon was a recommendation by a friend. So when we decided to make our week long Utah/Arizona trip we included Bryce Canyon. We landed up with very little homework and expectations, but when it unfolded itself in front of us, we gasped!
Here begins the different parts of our Canyon journey along the 2 states. Stick around for more.
If you like it then I would love to know. So, please do leave behind your comment, suggestion, insights, love notes... I am listening.
Follow me on Twitter @ujjainil
And please share the love on


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Many families across the country have chosen to entrust the care of a loved one to a nursing home. These patients may suffer from a variety of disabilities, physical and mental alike, that can be difficult for family members to closely monitor. They are often admitted to a care facility in hopes of receiving the attention and treatment required. Unfortunately, some patients in New Mexico are not given an appropriate quality of care and subsequently fall victim to nursing home neglect.
Family files lawsuit accusing facility of nursing home neglect
Man claims wife's death is due to nursing home neglect
Countless individuals have experienced the tragic loss of a loved one on account of negligence. Whether a patient is a permanent or temporary patient at a care facility, he or she should be given the type and amount of care required for his or her respective condition. If a facility in New Mexico does not provide this care to a patient, he or she may suffer extensive pain and suffering as a result. A man in another state is claiming that nursing home neglect lead to the recent death of his wife.
Hidden camera captures nursing home abuse of paralyzed patient
Patients across the country are admitted to care facilities every day for temporary or long-term treatment. With many of these individuals having incapacitating disabilities, similar facilities in New Mexico are required to provide and maintain a certain standard of care. Unfortunately in some cases, patients are mistreated or abused, which often leaves family members of the disabled individuals outraged. A nurse in another state was recently indicted on charges for nursing home abuse.
Nursing home neglect allegedly caused the death of 2 men
When a nursing home is understaffed, patients often suffer as a result. Many individuals who enter a similar facility in New Mexico require frequent monitoring and treatment, and if a facility does not have an adequate amount of care providers on hand, patients may go a long period without receiving medical attention. A facility in another state has recently been accused of nursing home neglect following the death of two separate patients.


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(DRQ) Dril-Quip – Petroleo Brasileiro S.A. in $650 Million Deal
U.S. equipment supplier Dril-Quip, Inc.'s (DRQ) wholly owned subsidiary — Dril-Quip do Brasil LTDA — has clinched a $650 million contract awarded by Brazil's state owned energy company Petroleo Brasileiro S.A. or Petrobras (PBR).
The four-year contract requires Dril-Quip to supply subsea wellhead systems and associated tools. These systems will be used by Petrobras in the drilling of deepwater wells offshore Brazil.
Dril-Quip expects to start product delivery under the contract by the second half of 2013. Per the deal, the offshore drilling and production equipment maker will record these deliveries as purchase orders in its backlog. So far, no order has been logged with the new contract.
The customary terms and conditions for such agreements including termination, extension, product inspection, local content requirements and price adjustment provisions are also applicable to the pact between Dril-Quip and Petrobras.
This is a much awaited order for Dril-Quip, as it trails the three-year, $180 million contract with Petrobras that concluded in the second quarter of 2012.
The planned investment of Petrobras in the country's offshore market over the next five years will also likely prove beneficial for Dril-Quip, which is well positioned to take advantage of the project. Dril-Quip's recent capacity additions in Brazil and Singapore along with the growth in demand for offshore equipments will further aid its progress.
Dril-Quip enjoys a strong market share, with many of its established products owning the first or second position in their respective categories. The company expects new orders from the growing markets of Brazil, GoM and Mexico that will further increase the revenues going forward.
Dril-Quip holds a Zacks #3 Rank, which translates into a Hold rating for a period of one to three months. Longer term, we maintain our Neutral recommendation.
Read the full analyst report on "PBR"
Read the full analyst report on "DRQ"
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Smart Start-ups: AMPED Trampoline Park
Have you ran out of ideas for the weekends? Want to shed some pounds during your free time but you are sick of running on that dreadful treadmill or going to one of those overly price gyms? Well, we have a solution. Presenting, Singapore's first start-up business of an Indoor Trampoline Park – AMPED Trampoline Park.
Packed with trampolines, foam pits and walls to do parkour; AMPED is a dream for those who just want to have some fun. Jumping on these trampolines also has its health benefits as it a very efficient cardiovascular workout.
According to a study completed by National Aeronautics and Space Administration (NASA), trampolining is 68% more effective than running and provides equal benefits in a shorter timeframe. So jumping on a trampoline for ten minutes is equivalent to a thirty minute run. Now that is what I call a workout.
A great business idea opened for the young and old catering to the needs often array of clients. Children can come down to play with their friends or even book the park for their birthday party. Adults can bond through team activities for company events and so much more. If you are concerned about the safety of the park, you need not fear as they staff ensure that patrons of trampoline park adhere to the strict rules set to protect them from any form of injury.
So what are you waiting for? Book a one hour session at AMPED and jump for joy as you get both the benefits of a good exercise as well as letting off a little steam from the stresses of life. AMPED Trampoline Park has three separate branches located all across Singapore. Details are stated below:
*Prices varies based on time and location. For more details you can check out AMPED Trampoline Park website or facebook page.
Love to exercise and have a brilliant idea for a business start-up in this area too. With Singaporeans going into the movement of living a healthier lifestyle and changing their habits, you can use this business opportunity and even be a new game changer in the market like this trampoline park. Run with it and share your ideas, thoughts or even comments with us.


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News Archive
Private View held by Richard Andrews
The Natural History Museum's best kept secret, its internationally renowned research into the world's environmental problems, is to be opened up to the public in its £100m Darwin Centre project. For the first time, visitors will be able to see both the museum's unique specimens, such as a catfish caught by Charles Darwin, and the department's 300 scientists actually at work. The new Centre will have guided tours, during which scientists will explain the research in which they are engaged. Current areas of activity include the transmission of tropical diseases, and methods of testing the quality of fresh water. The museum has already raised £27 (without Lottery funding) for the first phase of the project, and building work has already begun, with the opening scheduled for 2002.
Moonraker, Strangelove and other celluloid dreams: the visionary art of Ken Adam is the snappy title of a groundbreaking exhibition of work by one of the great film production designers. Twice winner of an Oscar, Adam is probably best known for his "bunker" interiors, such as the war room in Dr Strangelove, and the Bond villain lairs. This show presents more than two hundred drawings and extracts from many of his films, including Dr Strangelove, Sleuth, Barry Lyndon, The Madness of King George and seven of the James Bond series. The Serpentine Gallery until 9th January.
Amazons Of The Avant-Garde looks at the unique contribution to the development of twentieth century art of six extraordinary woman artists, who had a crucial impact on political, ideological and social thought. It traces the evolution of the Russian Avant-Garde, from the turn of the century through to its suppression in the mid-1920s, one of the most vital and prolific chapters in the history of Russian art. Drawn from more than thirty public and private collections, many of these works are being shown for the first time in the West. Royal Academy of Arts until 6th February.
Magna Brava features the work of the only five women who have been members of the Magnum Photo Agency of documentary photography in its fifty year history. The world of serious photo-journalism and photo-documentary has mostly presented a boy's own adventure point of view of the world, but the work of Eve Arnold, Martine Franck, Susan Meisalas, Inge Morath and Marilyn Silverstone offers a different perspective. Subjects range from the great and the good in unguarded moments, to un-named victims of torture in Nicaragua and El Salvador. Scottish National Portrait Gallery, Edinburgh until 30th January.
Hampton Court Lantern-lit Tours Guides in full period costume give you a taste of the atmosphere of this historic palace after dark. Find out about events which took place during a period of almost two hundred years, when this royal residence on the Thames was at the centre of court life, politics and national history. Wednesdays, Saturdays and Sundays at 5.00pm, 5.30pm and 6.00pm - booking essential. Hampton Court Palace until 22nd December
Natural Dependency shows the work of ten artists on the theme of the contemporary desire for excess and extremes, be it beauty, fantasy, wealth, or even death. It includes Anya Gallaccio's carpet of 2000,000 gold coins, Virgil Marti's ultra-violet lit silver flock wallpaper, and Jo Mitchel's "Girl On A Motorcycle 1999". Jerwood Gallery, London until 12th December.
Guildhall Art Gallery closed since 1941, was officially reopened on 2nd November, in a new £70m building designed by Richard Gilbert Scott. The collection ranges from scenes of the IRA bombing of Bishopsgate to the Great Fire of London, including events such as Bartholomew Fair (finally banned for being "raucous and disorderly") and The Calves Head Club (a group of Cromwell supporters, whose meetings were disrupted by mobs throwing rocks). The centrepiece is a huge 16ft by 27ft canvas by John Singleton Copley entitled The Defeat of the Floating Batteries at Gibraltar, September 1782. Guildhall Art Gallery until 20th February.
C R W Nevinson: The Twentieth Century Best known as a war artist, C R W Nevinson was described as "a journalist in paint" for the quality of his work, in which he avoided cliché and predictability. He was also a leading light in the London version of Italian Futurism. This exhibition of Nevinson's paintings, drawings and prints is the most comprehensive ever mounted, covering his entire career, including the inter-war cityscapes of London, Paris and New York, and the apocalyptic foreboding of his last works. A series of talks accompanies the exhibition. Imperial War Museum until 30th January.
The Turner Prize has now become a major event in the arts calendar, attracting a betting frenzy rivalling the Booker. Odds seem to be on either Tracy Emin's unmade bed (possibly in the hope that she will disgrace herself at the Award presentation) or Jane and Louise Wilson's video installation. All will be revealed on 30th November, but you can make your own mind up by visiting now, as well as putting the nominated works into perspective, by visiting the other permanent 20th century galleries. Tate Gallery London SW1 until 6th February.
L S Lowry is best known for matchstick figures in grey Northern townscapes, but in later years his style developed into something far more extraordinary. Firstly there are mysterious seascapes which have an almost Turner like quality. Then there are his last drawings, where his characters have an almost Alice In Wonderland like extravagance. This is a rare chance to see some of those works. Salford Art Gallery until 5th December.
Van Dyck 1599 - 1649 revolutionised portraiture, a central art form in England, by introducing elegant and informal poses, very different from the starched and stilted style of earlier artists. To mark the four hundredth anniversary of his birth, the Royal Academy has joined with the city of Antwerp, Anthony Van Dyck's birthplace, to assemble over one hundred paintings, spanning his whole career, creating the biggest ever exhibition of his work. Royal Academy of Arts until 3rd December.
Steve Bell: Bell's Eye offers a twenty year retrospective of the work of Guardian cartoonist Steve Bell, the man responsible for putting John Major in Y-fronts, and the first person to spot that the mad-eyed stare of "call me Tony" Blair, is eerily reminiscent of Margaret Thatcher. Barbican Centre Foyer Gallery until 21st November.


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"Not all bike lanes are created equal. A line in the pavement dividing cars from cyclists is nice, but it doesn't provide nearly the comfort of a protected bike lane — a track separated from vehicle traffic by a row of parked cars, or a curb, or at least a line of flexible posts. "
If protected bike lanes were more available in your city, or available period, would you be more likely to ride your bike? Researchers found the answer to be a "resounding yes," especially when it came to people who didn't already bike. When protected bike lanes were installed in participating cities, bike use increased – drastically. In one case, ridership rose by 171%. See the full study results here.
"I didn't believe it would work, it was such a crazy proposal, but what I think attracted these studios was a near complete freedom to create whatever they wanted."
When you look at this picture, what do you see? "Bus shelter" probably isn't the first thing that comes to mind. However, this structure is one of seven unique bus shelters in the small village of Krumbach, Austria. Designed by world-class architects to be artistic as well as functional, you can now wait for your bus inside or on top of an art exhibit. Avant-garde, indeed. Click here for the full gallery.


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Where do our human rights come from?
The idea that human beings should have a set of basic rights and freedoms has deep roots in Britain.
Here are some of the national and international milestones that have shaped the concept of human rights in Britain over the last 800 years.
Magna Carta 1215
This English Charter acknowledged for the first time that subjects of the crown had legal rights and that laws could apply to kings and queens too. The Magna Carta was also the first step in giving us the right to a trial by a jury of our peers.
Habeas Corpus Act 1679
Another crucial step towards the right to a fair trial, this law protected and extended the right of a detained person to go before a judge to determine whether the detention was legal.
English Bill of Rights 1689
The Bill was a landmark moment in the political history of Britain because it limited the powers of the monarch and set out the rights of Parliament. It included the freedom to petition the monarch (a step towards political protest rights); the freedom from cruel and unusual punishments (the forerunner to the ban on torture contained in our Human Rights Act) and the freedom from being fined without trial.
Universal Declaration of Human Rights 1948
The Declaration is the foundation for modern human rights. After the Second World War, the international community recognised the need for a collective expression of human rights. Adopted by the General Assembly of the United Nations in 1948, the Declaration sets out a range of rights and freedoms to which everyone, everywhere in the world, is entitled.
The European Convention on Human Rights 1950
Members of the Council of Europe used the Universal Declaration of Human Rights to draw up this treaty to secure basic rights both for their own citizens and for other nationalities within their borders. The Convention was signed in Rome in 1950, ratified by the UK in 1951 and came into force in 1953. Unlike the Universal Declaration, the European Convention contains rights which can be relied on in a court of law.
Race Relations Act 1965
This was the first legislation in the UK to address racial discrimination. Although it was criticised because it only covered discrimination in specified public places, the Act laid the foundations for more effective legislation. It also set up the Race Relations Board to consider complaints brought under the Act.
International Convention on the Elimination of All Forms of Racial Discrimination 1965
This was the first human rights treaty adopted by the United Nations (UN). The Convention defines what constitutes race discrimination and sets out a comprehensive framework for ensuring that civil, political, economic and social rights are enjoyed by all, without distinction of race, colour, descent or national or ethnic origin. The International Convention on the Elimination of All Forms of Racial Discrimination (CERD) is the international human rights treaty that sets out a comprehensive framework for ensuring that civil, political, economic and social rights are enjoyed by all, without distinction of race, colour, descent or national or ethnic origin. The UK ratified CERD in 1969.
UK signs up to the European Court of Human Rights 1966
Six years after the European Court of Human Rights was created, the UK granted what is known as 'individual petition' - the right for people to take their cases directly to the Court in Strasbourg.
Sex Discrimination Act 1975
The Act made gender-based discrimination illegal in the areas of employment, education and the provision of goods, facilities and services.
Race Relations Act 1976
The Act enshrined many of the laws on race discrimination that we take for granted today. It made race discrimination unlawful in employment, training, housing, education and the provision of goods, facilities and services.
International Covenant on Economic, Social and Cultural Rights (ICESCR) 1976
The general principles expressed by the Universal Declaration of Human Rights were given specific legal force through these two covenants. The Declaration, ICCPR and ICESCR make up the International Bill of Rights.
Convention on the Elimination of All Forms of Discrimination against Women (CEDAW) 1979
Often referred to as the 'bill of rights for women', this Convention defined what constitutes discrimination against women and sets out the core principles to protect their rights.
UN Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment 1984
The most comprehensive international treaty dealing with torture, this Convention became the first binding international instrument exclusively dedicated to preventing some of the most serious human rights violations of our time.
UN Convention on the Rights of the Child 1989
Governments worldwide promised all children the same rights by adopting this Convention, also known as the CRC or UNCRC. The basic premise is that children (under the age of 18) are born with the same fundamental freedoms and inherent rights as all human beings, but with specific additional needs because of their vulnerability.
Disability Discrimination Act 1995
This Act represented the first far-reaching anti-discrimination legislation for disabled people. It covered key areas of life such as employment and training, education, goods, facilities and services, premises and transport.
Human Rights Act 1998
In force since October 2000, the Act incorporated into domestic law the rights and liberties enshrined in the European Convention on Human Rights. People in the UK no longer had to take complaints about human rights breaches to the European Court in Strasbourg – British courts could now hear these cases.
Universal Periodic Review 2006
The UN's new review system meant that, for the first time, the human rights records of all Member States would come under regular scrutiny. It gave a clear message that all countries have scope to improve the way human rights are promoted and protected.
UN Convention on the Rights of Persons with Disabilities (UNCRPD) 2008
UNCRPD was the first human rights treaty of the 21st Century. It reaffirms disabled people's human rights and signals a further major step in their journey to becoming full and equal citizens.
The Equality Act 2010
The Equality Act brought together over 116 separate pieces of legislation into one single Act - a new, streamlined legal framework to protect the rights of individuals and advance equality of opportunity for all.
Last updated: 18 Nov 2016


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It is a commonly used financial commitment technique that appears at the quantity of trade on a selected asset to deliver a signal of which way the value is likely to maneuver.
As you are able to see, IQ Option presents trading procedures that differ with regards to type and sophistication. This is one of the good reasons that it's these kinds of a well-liked binary options buying and selling platform. It will give you many of the instruments you have to acquire a investing method, crank out precise indicators, and make profitable trades.
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Commercial Insurance
Got a business? Got stuff for your business? You need insurance. Whether you need just liability insurance, insurance for your business property or coverage for your business auto – we can help you with that. Either as a package for everything, or simply one or two policies to cover your risks, we are here to help you. Big or small, we insure it all.
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Numerical Tools:
The most general model for fluid structure interaction problems based on IFEM is the one developed in Heltai and Costanzo, 2012 (see below for the reference) which allows for materials with general density, general viscosity and which can be either compressible or incompressible. These last two characteristics are unique to the generalization we proposed, making IFEM truly capable of general FSI.
Cross References:


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Philanthropist, former UH Foundation trustee, successful lawyer and global citizen Frank Boas will be remembered as one of the University of Hawai'i's most ardent supporters. Through his philanthropic legacy that includes generous estate gifts, his life will be honored for generations to come.
Frank was a truly extraordinary man. We are most grateful to him for the lasting impact he will make through his generosity.


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Perfect for all types of cycling, from casual riding to serious racing, Continental's Grand Prix is known for extremely long tread life and puncture resistance afforded by 3 separate casing plies and its Black Chili compound. The 24mm profile brings the comfort, lowered rolling resistance and enhanced grip of a wide profile tire to the hallowed Grand Prix line. Plus, the folding bead reduces weight. Train on it, race on it; this is THE tire.
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The new grand prix 24 is the closest to tubular performance to date. The combination of profile, volume and Black Chile compound is perfect for both std 18/19mm rims as well as the new 23mm HED rims. I will continue on these as long as Conti offers them.
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E-Block: Continued the article on Tony Campolo.
Blogorama: This'll be the category for any new entries on either the Ticker or the Forge. I posted one entry on each; one was an edited composition, the other an original written today. You can have some fun trying to guess which is which. ;) Links are at Tekton in the What's New section.
TektonTV: Addressed 4 comments. Also did some art and production for the "hell" film.
E-mails answered/written since last time: 16
Wednesday, October 20, 2010
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Good News Natural Foods
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Your source in Dover and Milford Delaware for natural and organic foods, nutritional supplements, health snacks and drinks, herbs and spices, personal care products, aromatherapy, wheat free, gluten free products and a variety organic produce.
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Just curious if most are following the exam objectives as listed on the printout sheet or do you start from chapter one of the text you're reading. I'm current reading Todd Lammle's Network+ 3rd Edition but was wondering if I was going about it wrong since the exam objectives for chapter 1 are listed on the last few pages of the printout sheet?
I'm also cross referencing with Mike Meyer's network+, I like how he's able to drive things home with certain topics in comparison to Lammle's style of writing. I guess it doesn't really matter as long as you understand each topic for the test, but I was curious about the different approaches some are using to tackle the material. Thought is was strange that key concepts for understanding networking would be listed on the last few pages of the exam printout sheet or is it CompTIA wants you to learn the material how its listed???


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A state senator in Maine has proposed a bill to block the 12MW Aqua Ventus offshore wind demonstration project.
The legislation by Republican senator Dana Dow would prohibit turbines within 16km of the Monhegan Lobster Conservation Area.
The measure would protect the area's economy and culture, as well as migratory birds, said Dow.
"I believe the need is to finally settle this issue so that outside interests will know whether they can build this project or move onto a different area," said Dow.
A University of Maine-led consortium plans to deploy a pair of turbines on floating foundations in state waters near Monhegan Island, about 16km off the mainland.
The project was awarded $50m in federal Energy Department funding for technology demonstration projects.
The consortium includes Canadian utility Emera, European marine energy outfit DCNS and Cianbro, which will fabricate the semi-submersible concrete hulls in Maine.
The team is trying to reach financial close by the end of this year, start construction in 2018 and power up in 2019.
Image: University of Maine


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Shifting Boundaries
9 Sept – 12 November 2017
Mirror Gallery, South Hill Park, Bracknell
Materials are ineffable. They cannot be pinned down in terms of established concepts or categories. To describe any material is to pose a riddle, whose answer can be discovered only through observation and engagement with what is there. The riddle gives the material a voice and allows it to tell its own story: it us up to us, then, to listen, and from the clues it offers, to discover what is speaking. (Ingold 2013, 31)
Shifting Boundaries is a collaboration between visual artists Yvette Hawkins and Judith Davies. Over a one-year period, Hawkins and Davies have developed a visual dialogue, exploring materiality by pushing the boundaries of materials, adopting an experimental approach to making. The balance between chance and control is central to this experimentation; privileging processes that allow the materials to affect outcomes by working with their intrinsic properties. The artists have chosen to work with natural pigments and explored methods of dipping, pouring and washing that build up layers of deposits, forming a palminset of mark-making that evidences also the interaction of the hand. Working across scale and colour the work finds a meeting point where both their practices in textiles, ceramics and drawing co-exist. This is reflected through a new site specific commission made in collaboration; alongside drawings, ceramics, textiles and artist books.
As well as exploring boundaries in their individual practices, the work brings to light the use of boundary on a physical and geographical scale by referencing the border lands of Scotland and England, formed in most part by the river Tweed. The artists have collected raw materials from the river banks, creating pigments and dyes that explore the geological changes from limestone to iron rich rock as the border is crossed.
This collaboration has come about through the artists' experience of sharing a studio and finding commonality of approach in their making over an extended period. The studio is divided, having its own boundary, but passing through this, ideas have exchanged. While both artists have worked under different materials and making processes, it became apparent that a mutual understanding and visual language has emerged naturally, forming a new collaborative practice inside the studio and beyond in the physical landscape.
Forty Three Houses and a Ford Escort & Casing In
Saturday 18 April – Sunday 24 May
Yvette Hawkins brings together two exhibitions which addresses the temporal nature of a nomadic life. In Forty Three Houses and a Ford Escort, a series of folded maps portray a biographical chronology of the artists homes and temporary abodes spanning two nations. The use of map folding references the act of locating and placing, linking the paper artefact to the physical world.
Casing In depicts a series of insect damaged books mended using the unique spinning process of the silk worm. Yvette observed the nature of spinning silk cocoons over the pages and covers creating a new home for them to mend and occupy. The title 'Casing In' alludes to the technical term a bookbinder uses to 'case in' or glue a book block of sewn pages to its hard backed cover. In this same way the silkworms are encasing themselves and the pages of the book into a new abode.
Unnatural Pleasures
26th February – 17th April 2015
Radiant Space, 12 Derry's Cross, Plymouth, PL1 2TE
The latest in the R[eff]uge series, supported by Arts Council England and Plymouth University, UNNATURAL PLEASURES focuses on synthesised experiences and the discomfort which is often the unfortunate by-product of attempts to comfort ourselves through man-made items.
Exhibiting Artists: Liz West, Alana Tyson, David Sargeant, Johanna Schmeer and Yvette Hawkins.
Image Credit: Yvette Hawkins
paper, table, wall and after
01 December 2014 – 23 January 2015
Gallery North, Northumbria University, Ellison Place, Newcastle upon Tyne
The provisional, but vital, stages of making artworks; the fluid open-ended possibilities for their interpretation through display; the uncertain destinies that await all material artefacts, however precious – these often disconnected moments in the 'life story' of an art object are the topic of a new exhibition in Gallery North. Co-curated by Chris Dorsett and Sian Bowen from Paper Studio Northumbria, this exhibition explores not only how contemporary artists utilize the special properties of paper but also how the passage of paper-based artworks across studio tablesand gallery wallscan lead to an unknown 'after', a contingent world only tentatively related to the immediate concerns of viewing an exhibition.
Paper Studio Northumbria (PSN) provides a unique facility nationally and internationally for the research, teaching and scholarship of paper in relation to fine art, conservation and archiving. Importantly it is a platform for an exchange of ideas that transforms the processes of making and exhibiting into research-rich activities. By providing tables as well as gallery walls the curators offer exhibition visitors artworks that can be shuffled, picked up, and examined in a manner that underlines the artefactual status of paper. The aim is to present a 'jumble' of ideas about the future of paper research. Gallery North's visitors are unlikely to behave as if they are at a jumble sale but our ambition is to stimulate the haphazard discoveries associated with this traditional method of trading second-hand goods. Imagine the wealth of ideas that might be rifled through and then re-used or recycled as a result of applying the notion of 'rummage' to PSN works of art.
Forty artists, all of whom have worked with PSN during the last three years, will feature in the exhibition. Their use of tables and walls will evolve as exhibitors re-arrange their contributions as part of PSN's critical discussions and seminar programme. Within this evolutionary process two 'waves' of participation will enlarge the exhibition: the first being pieces from the wider community of fine art staff at Northumbria for whom paper plays an important role; and the second, an intervention by the research group Neuschloss which will underline the provisional character of exhibition-making and help us draw uncertain boundaries between before and after, between the impact of one research project on another, between the different stages of a changing exhibition idea.
Beyond the shifting dialogue of making and exhibiting, the notion of provisionality reaches out into the cultural and social afterlife of the artworks on display. To this end Dorsett provides an accompanying text which, in the context of the Research Excellence Framework, interrogates the meaning of 'research impact' for makers of paper artefacts. His sequence of six ultra-short stories imagine what future 'users' of our exhibits might tell us about the transformational effects of paper artworks after they have been given away or sold, collected or stored, misplaced or thrown out. Nothing about paper, table, wall and after ends up quite as expected.
Caroline Ali / Sian Bowen / Catherine Bullard / Sarah Casey / Chun Chao Chiu / Maureen Coade / Jane Colbourne / Lizzy Costerdine / Gerry Davies / Judith Davies / Chris Dorsett / Hassen Ebeid / Brian Fay / Sophie Foster / Ross Frew / Richard James Hall / Yvette Hawkins / Angela Hughes / Mark Jackson / Ricky James/ Sandra Johnston / Christopher Jones / Agnieszka Kozlowska / Zhao Kun / Lloyd-Wilson / Keith McIntyre / Siobhan McQuade / Clare Money / Michael Mulvihill / Daksha Patel / Graham Patterson / Lionel Playford / Joanne Proctor / Doris Rohr / Jess Shaw & Steuart Padwick/ Richard Talbot / Jill Wann / Carl von Weiler
Image Credit: Paper Studio Northumbria
Finding The Value
4th July – 2nd November 2014
York St Mary's, Castlegate, York, YO1 9RN
In 2011 Peter Madsen left his estate, including his art collection, to York Museums Trust. Five artists have made new work for this exhibition, using objects from his collection.
We can never know what drew Peter Madsen to collect and keep these things but each artist has found new ways to value them.
York Art Gallery is currently undergoing an £8 million redevelopment. This ambitious project was made possible by the bequest of £2 million by Peter Emil Madsen and his sister Karen Madsen, both from York. Their gift also included Peter's diverse collection of paintings, books, prints, small sculptures and ethnographic objects. York Art Gallery has been allowed to sell any pieces not taken into the City's art collections.
Of course, the historical importance and artistic quality of some works meant they had to be kept. Other works were sold at auction, happily passing into the care of other collectors whilst adding to the monetary value of the gift.
Exhibiting Artists: Andrew Bracey, Alison Erika Forde, Yvette Hawkins, Susie MacMurray and Simon Venus
Image credit: Phil Sayer
Beyond The Book
5th April – 8th June 2014
The Devon Guild of Craftsmen, Riverside Mill, Bovey Tracey, Devon, TQ13 9AF
The artists in this exhibition examine the book as physical form as well as a container of ideas and concepts. A household object – the conventional book has only recently been rivalled by the computer screen and electronic text. This exhibition sets out to explore this transition, through a variety of formats, from photographs to sculptures, installations and jewellery. The special qualities of the book object are deconstructed and described by these artists who all share an interest in history and memory, language and narrative.
Image credit: Sarah Deane Photography
Shy Tworls
Preview: Friday 28 February 2014 / 18.00-20.00
Exhibition: Saturday 1 & Sunday 2 March / 12.00-18.00
Northumbria University Studios, BALTIC 39
This diverse show brings together recent work by students of the BxNU Master of Fine Art (MFA) programme, which is based at BALTIC 39, Newcastle upon Tyne. The artists do however all have one thing in common – shy tworls.
Image credit: David Bilbrough
Arborescent 02
7th February 2014
Ouse St Arts Club, 20 Ouse Street, Newcastle upon Tyne, NE1 2PF
An evening of specially commissioned graphic scores by Richard Dawson, Yvette Hawkins and MawsonKerr architects, performed live by a trio led by double bass improviser John Pope.
Richard Dawson: SING-SONG-SUNG
Yvette Hawkins: Un/Fold
MawsonKerr: Shed Light
John Pope – double bass
Mariam Rezaei – turntables and electronics
Sean Cotterill – violin
Trio led by John Pope
Image Credit: Unit 44
1st June – 17th August 2013
The Gallery, Gateshead Library, Prince Consort Road, Gateshead
Novel is an exhibition by members of the Book Art Network which explores and celebrates the region's culture and history as part of Festival of the North East.
Inspired by books, these artists have created innovative works of art which include sculpture, collage, text pieces, poetry and collaborative works.
Theresa Easton, Yvette Hawkins ,Stephen Jeffries, Ruth McCann, Aidan Moesby, Mandy Pattullo, Susannah Pickering and Stevie Ronnie
Image credit: Dawn Felicia Knox
As Above So Below
18th – 25th May 2013
Castle Keep, Castle Garth, Newcastle upon Tyne, NE1 1RQ
As Above So Below responds to the architecture and geometry of the chapel through folded tessellated paper sculptures.
Each sculpture mirrors the patterns on the chapel arch ways suggesting an extension of the building that follows the contours of the chapel yet also meanders on its own path.
Image credit: Yvette Hawkins
The Book Borrowers
8 December 2012 – Thursday 17 January 2013
An exhibition of artwork created exclusively for Darlington by north east artists Yvette Hawkins, Theresa Easton and Dawn Felicia Knox will go on show at the town's Crown Street Art Gallery from Tuesday 18 December 2012 – Thursday 17 January 2013.
1st October 2012 – 1st March 2013
Stuffed creatures carrying fragile treasures, Victorian-esque "quizzing glasses" and a set of storytelling boxes of relics will feature in a museums-inspired art exhibition. A group of seven artists from around the UK will exhibit work at Μουσείον: artists'reflections on museums, an exhibition organised by PhD students at the University of Leicester's School of Museum Studies.
The show, which will run from October 1 at the School on University Road, takes its name from the original 'mouseion' built in Alexandria, Egypt, over 2000 years ago. The artists will explore the role and meanings of museum collections and the processes involved in the storage and display of museums' artefacts.
The show has been curated by Alex Woodall, a PhD Researcher in the School, who haspreviously worked for Manchester Art Gallery, Museums Sheffield, Renaissance EastMidlands and Kettle's Yard gallery in Cambridge.
Image credit: Priya Lin
Places Our Paths Might Cross
24th March – 26th May 2012
Dovetail, Blandford Square, Newcastle upon Tyne
In Places our paths might cross, Hawkins traces real and imagined journeys through layers of folds in carefully crafted new lands. Two dimensions become three in Hawkins' beautiful new largescale landscapes, playing with familiarity and encouraging closer survey. This work is presented in both Globe and Dovetail.
Image credit: Colin Davison
Forty Three Houses and a Ford Escort
24th March – 26th May 2012
Globe Gallery, Blandford Square, Newcastle upon Tyne
In Forty Three Houses and a Ford Escort, a series of folded maps portray a biographical chronology of the artists homes and temporary abodes spanning two nations. The use of map folding references the act of locating and placing, linking the paper artefact to the physical world.
Image credit: Colin Davison


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Cougar 326SRX
This Keystone Cougar fifth wheel toy box on wheels can get you to and from all of your favorite destinations and make your stay the most enjoyable! With a 10' cargo garage space, and a 60" x 72" rear ramp door, loading and unloading model 326SRX will be a cinch.
The cargo garage features a 42" x 92" loft that the kids are going to love. There is a spaced prepped for a washer and dryer if you choose to add those conveniences, and a closet for storage plus overhead cabinets above two flip sofas. Use the side man door once the rear ramp is closed to access the garage space easily.
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Sleeps 6 Slides 2 Length 37 ft 7 in Ext Width 0 ft Ext Height 13 ft 2 in Interior Color Vineyard, Twig, Cashmere Hitch Weight 2260 lbs Dry Weight 9930 lbs Cargo Weight 2730 lbs Fresh Water Capacity 60 gals Grey Water Capacity 76 gals Black Water Capacity 38 gals Tire Size ST235/80R16E Available Beds Queen Refrigerator Size 8 cu ft Cooktop Burners 3 Number of Awnings 1 Garage Size 10 ft LP Tank Capacity 30 lbs. Water Heater Capacity 16.2 gal. Water Heater Type Gas/Electric Quick Recovery AC BTU 15000 btu TV Info LR LCD, Ext. TV Awning Info Power Axle Count 2 Washer/Dryer Available Yes Number of LP Tanks 2 Shower Type Neo-Angled Electrical Service 50 amp
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Shooting victim dropped off at hospital
Shooting victim dropped off at hospital
DES MOINES, Iowa —
Des Moines police are investigating a shooting after they said someone dropped the victim at Mercy Medical Center just before midnight.
The victim told police he was shot in the arm when he was walking near 5th Street and College Avenue.
The victim's name and condition were not immediately available.
The investigation continues.
Check KCCI.com and KCCI 8 News for updates on this developing story.


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Welcome back, Slime People!
Over the past week, we've been making progress on our new method of letting the player access their abilities. Now, rather than seeing a bouncy texture and knowing they need to bounce, or a sticky wall and knowing it's time to climb the wall, the player sees a wall they can't jump over, and it's up to them how they solve the problem.
By spitting out slime of the type you want to create that surface in the world. We were struggling to figure out what scenario a slime would find itself where a pool of lava was perfectly coexisting next to a sheet of ice, or next to a trampoline or super springy mushroom. Our goal is to unify the themes of the levels while still incorporating the environmental features that built the platforming elements of Slime.
This week, we're gearing up for another demo and getting the game ready to show off for that. We're figuring out how to best use our new mechanic and get Slime rolling again! We still need to answer the question of how we make nonlinear levels and incorporate our slime trail and backtracking in a positive, engaging way. It's a work in progress, but I'm confident that we can do it.
-Nicholas Navarro
Producer of Slime