baber/WOPTO huggingface dataset:
Patent GB-1059001-A (GB)
Title: Process for preparation of sintered metallic oxide catalyst pellets
IPC: B01J23/70
Filed: 1964-04-13
Abstract: Metallic oxide catalyst pellets, for example cobalt oxide pellets, are prepared by a process comprising (a) dissolving the metal or metals in acid, for example nitric acid, to form a soluble metallic salt solution, (b) adding NH3 and CO2 to precipitate a basic metallic carbonate, (c) recovering the precipitate from the supernatant, (d) washing the precipitate to remove soluble salts, (e) heating the washed precipitate at a temperature between 300 DEG  and 500 DEG  C. to form a mixture of metallic oxides, (f) mulling the mixture together with from 1 to 5% by weight of a lubricating sintering acid, (g) pelleting the resulting homogeneous mass, (h) heating the pellets in a free oxygen-containing atmosphere at a temperature between 500 DEG  and 1300 DEG  C. for 1 to 10 hours.  The metals may be those of Group VIII, Group IB or Group IIB, optionally with a Group VI metal oxide.  Cobalt and nickel are preferred for the preparation of hydrogenation catalysts.  Sintering aids mentioned are animal and vegetable stearins and fatty acids or esters of fatty acids containing more than 12 carbon atoms.  There is reference to addition of barium and silica to the solution obtained in step (a).ALSO:Metallic oxide catalyst pellets, for example cobalt oxide pellets, are prepared by a process comprising (a) dissolving the metal or metals in acid, for example nitric acid, to form a soluble metallic salt solution (b) adding NH3 and CO2 to precipitate a basic metallic carbonate (c) recovering the precipitate from the supernatant (d) washing the precipitate to remove soluble salts (e) heating the washed precipitate at a temperature between 300 DEG C. and 500 DEG C. to form a mixture of metallic oxides (f) mulling the mixture together with from 1% to 5% by weight of a lubricating sintering aid (g) pelleting the resulting homogeneous mass (h) heating the pellets in a free oxygen-containing atmosphere at a temperature between 500 DEG C. and 1300 DEG C. for 1 to 10 hours. The metals may be those of Group VIII, Group I B or Group II B, optionally with a Group VI metal oxide. Cobalt and nickel are preferred for the preparation of hydrogenation catalysts.  Sintering aids mentioned are animal and vegetable stearins and fatty acids or esters of fatty acids containing more than 12 carbon atoms.  There is reference to addition of barium and silica to the solution obtained in step (a).
Patent GB-891203-A (GB)
Title: Construction and method of production of electrical capacitors
IPC: H01G13/00
Filed: 1960-04-29
Abstract: 891,203. Capacitors; glass to metal seals. CORNING GLASS WORKS. April 29, 1960 [May 5, 1959], No. 15156/60. Classes 36 and 37. A capacitor element 12 (Fig. 1) comprises layers of glass dielectric 18 interleaved with metal foils 20 having projecting portions 22 welded to leads 16 of ferrous alloy coated with copper. Beaded edged glass covers 14 enclose the capacitor element and by application of heat and pressure are softened and pressed into consolidated adhesion with each other and with the capacitance element (Fig. 3). Plural capacitor units may be assembled between opposed lengths of cover glass (Fig. 2, not shown) and passed between heated rollers for consolidation into a strip. The copper-coated ferrous lead wires are then hermetically sealed to the glass cover by mounting the strip 28 in a holder 30 (Fig. 4) with wires 16 directed vertically, each wire being surrounded by a ceramic ring 36 (Fig. 6) after which the strip is moved on a conveyer 32 through a preheat oven 34 and under a multiplicity of burners 40 (Fig. 5, not shown) with their flames locally directed on the projecting lead wires of the upper edges of the cover glasses so that each lead 16, its ceramic ring, and the cover glass edges are fused together to form a hermetic seal. After cooling, the strip is reversed and the remaining leads 16 and their ceramic rings similarly fused. The capacitors are then parted into individual units. The dielectric may be of ceramic material having metallized electrodes, and the lead wires may be cleaned of oxide and plated. Specifications 629,049 and 690,364 are referred to.
Patent GB-513718-A (GB)
Title: Tool for planting potatoes, bulbs and the like
IPC: A01C5/02
Filed: 1938-05-21
Abstract: 513,718. Hand tools for planting. LINE, C. T. May 21, 1938, No. 15195. [Class 6 (ii)] A tool for making holes in the soil and planting bulbs therein consists of two parts E, F pivoted together at the middle points C of their sides. When the parts are in the position shown in Fig. 1 they form a wedge-shaped device which can be pushed into the soil. The handles A, B are then brought together causing the device to assume the shape of a rectangular box open at both ends. The bulbs are dropped through the open top and the device withdrawn.
Patent GB-150837-A (GB)
Title: Improvements in or relating to metallic fastener inserting machines adapted for use in the manufacture of boots or shoes
IPC: A43D69/04
Filed: 1919-06-17
Abstract: 150,837. Bates, A., Ricks, F., Aston, A. A., and British United Shoe Machinery Co. June 17, 1919. Riveting; rands and welts, attaching; screwing. - In a metallicfastener inserting-machine wherein cutting-mechanism severs individual fasteners from continuous lengths of wire or strip, the cutter-actuating mechanism is provided with a member, movable by the operator, to reproduce when the machine is at rest the movement which the cutters receive when the machine is running, to facilitate adjustment of the cutters; and the knife-carrying lever of the taper nail-tacking machine described in Specification 14046/04, [Class 17, Boots &c.], is provided with an adjustable bearing. As shown in Fig. 1, the machine described in Specification 8500/98, [Class 17, Boots &c.], including a cam disk 2 operating a cutter-actuating lever 10, is provided with a pivoted gauge-member 12 operated by a finger-piece 16* to cause a face 16 of the gauge to contact with the concentric part of the cam 2 and move the lever 10 an amount less than the full movement normally produced by the toe 4 by an amount corresponding to the spring of the parts when the wire is being cut. Fig. 3 shows a similar gauge member 36 applied to the machine described in Specification 14046/04, [Class 17, Boots &c.], the cutter-actuating lever 30 being provided with a roll 48 adapted to be engaged by a cam 46 on the gauge 36 when this is moved about its pivot 34 into contact with a fixed pin 40. The movable knife-carrying lever is adjustable longitudinally of its conical bearing 58, Fig. 5, to compensate for wear of this bearing, the lever being secured to a cylindrical member 60 having a screw-thread 62 engaging a thread in one end of the conical pivot 58 and locked in adjusted position by nuts 63. Specification 1492/93 also is referred to.
Patent GB-749770-A (GB)
Title: Improvements in or relating to fluid pressure seals and to fluid motors using seals
IPC: F16J15/32
Filed: 1953-06-01
Abstract: 749,770. Fluid-pressure engines; stuffing-box substitutes. BALDWIN INSTRUMENT CO., Ltd., and LARNER D. A. Aug. 26 1954 [June 1, 1953; Jan. 26, 1954], Nos.. 15261/3 and 2409/54. Classes 122(1), 122(3) and 122(5) A fluid - pressure seal for effecting fluid-tight sealing between two movable parts 13, 14, Fig. 2, comprises a sealing member formed of an annular element 11 of rubber or other elastic deformable material having bonded thereto or embedded therein one or more rigid stiffening elements 10, the sealing member being loosely mounted in one of the parts. The sealing member is mounted in a recess 17 around a port 16 in the part 14 and co-operates with a sliding member 13 having a co-operating port 15. Figs. 3 .and 8 show the seal employed in a reciprocating fluid motor having a piston 20 provided with projections 25, 26 to co-operate with common inlet and exhaust ports 23, 24 at each end of the cylinder 21. The seal, which consists of a rubber ring 31 and an embedded metal ring 34, is held in a recess 30 by a retaining ring 36 to have both axial and radial play. As the piston 20 approaches the right-hand end of its stroke the projection 26 engages the seal 29 which is held against the bottom of the recess 30 by the trapped fluid which escapes slowly through an adjustable needle valve 27 and cushions the movement of the piston. When the movement of the piston is reversed, the projection 26 axially displaces the seal 29 to the position shown in Fig. 8 so that fluid may flow into the cylinder through the space between the seal and the bottom of the recess 30 and two openings 40 at diametrically opposite positions on the recess 30. The deformable part of the seal may be of natural or synthetic rubber.
Patent GB-876742-A (GB)
Title: Improvements relating to calendars
IPC: B43M9/00
Filed: 1957-05-14
Abstract: 876,742. Signs. STERN, D. March 25, 1958 [May 14, 1957], No. 15307/57. Class 3(2) [Also in Groups XV and XIX] A calendar comprises a dodecahedron 50 formed from sheet material on each face of which the days of a different month of the year are displayed and the dodecahedron is enclosed within a closely fitting cover 51, 52 of transparent material preferably moulded from polystyrene in two halves provided with alternate spigots 53 and sockets 54. The two halves 53, 54 may be cemented together, but the releasable fastening is preferable so that the printed sheet can be replaced each year. The dodecahedron may be made by folding and sticking together a flat sheet of cardboard or flexible sheet material which has been previously scored and cut. The dodecahedron may be weighted so that it may be used as a paper-weight and its faces may carry advertising or other display matter as well as the days of the month.
Patent GB-280494-A (GB)
Title: An improved method of and means for the correction of temperature errors in electric meters
IPC: G01R11/185
Filed: 1927-06-08
Abstract: 280,494. Sangamo Electric Co., (Assignees of Kurz, F.). Nov. 12, 1926. [Convention date]. Electric and magnetic.-In order to compensate an induction motor meter for temperature variations, the brake magnets 23 are provided across the poles with bridges 24 of copper-nickel or other alloy having a negative or positive temperature coefficient of permeability.
Patent GB-618606-A (GB)
Title: Improvements in or relating to plate heat exchangers
IPC: F28D9/00
Filed: 1946-05-22
Abstract: 618,606. Plate heat-exchangers. WATSON, F. (Aktiebolaget Ljungstroms Angturbin). May 22, 1946. No. 15540. [A Specification was laid open to inspection under Sect. 91 of the Acts, Nov. 29, 1946.] [Classes 64(i) and 64(iii)] In a plate heat exchanger in which the plates either are alternately heated and cooled by gases flowing alternately through the same channels, or conduct heat between two media flowing through adjacent channels, superimposed plates are spaced by ribs 12, 14, bars, or the like to form open channels, and have between the ribs, etc., furrows 16 which are narrow and shallow compared with the width and depth of the channels and are oblique to the general direction of fluid flow. The furrows produce in each channel upon different portions of the boundary layer, in different places on the same cross-section, lateral flow in opposite rotative senses. The furrows may be all parallel, as shown in Fig. 3, or be arranged chevronfashion in each channel, as shown in Fig. 8. All the plates may be furrowed, or alternate plates 36 may be substantially flat, as shown in Fig. 8. The ribs may be unequal distances apart, or extend to different distances from the edges of the plates, so that by reversing successive plates during assembly nesting can be avoided. Specifications 363,357, [Group XII], and 393,341 are referred to.
Patent GB-726615-A (GB)
Title: Improvements in or relating to driving means for magnetic recording apparatus
IPC: G11B15/28
Filed: 1953-06-05
Abstract: 726,615. Magnetic recording and reproducing apparatus. WIENER RADIOWERKE AKT.- GES. June 5, 1953 [June 5, 1952], No. 15562/53. Class 40 (2). In a recording and/or reproducing apparatus for magnetic tape, fast forward winding and rewinding is effected by means of a coupling between a reel shaft and a fly-wheel driven by the motor. In the embodiment described, a motor shaft 1 drives, by means of a belt 3, a capstan shaft 5 by means of a fly-wheel which consists of two parts 4, 13 and which is coupled for normal driving of a reel shaft 11 for recording or reproducing by means of a belt 8 and a slipclutch 9. When it is desired to effect a positive fast-forward drive, an intermediate pulley 15 is moved into a position (shown chain-dotted in Fig. 1) in which it couples the part 13 of the fly-wheel to a pulley 14 fixed to the reel shaft 11. When a rewind is desired, a pulley 21, coupled to a reel shaft 18 by a belt 20, is pressed into engagement with the part 4 of the fly-wheel.
Patent GB-775020-A (GB)
Title: Production of sulfur dioxide from sulfur and sulfur trioxide
IPC: C01B17/54
Filed: 1954-05-27
Abstract: In the production of sulphur dioxide by the interaction of sulphur and sulphur trioxide, a continuous stream of liquid or gaseous sulphur trioxide is contacted with molten sulphur so as to produce a gaseous effluent comprising sulphur dioxide and vaporized sulphur, additional sulphur trioxide being added to the gaseous effluent so at to convert at least a portion of the vaporized sulphur into further sulphur dioxide.  The molten sulphur may form a static pool, continuously maintained by additions of solid or molten sulphur, in the reaction apparatus or may pass continuously therethrough.  The molten sulphur may be at a temperature of 260-830 DEG F., e.g. 650 DEG F.  The amount of sulphur vaporized may be 2-5 times the amont consumed in the reaction. The sulphur trioxide employed in the second reaction is preferably liquid so as to lower the reaction temperature, e.g. to 600-650 DEG F.  15-25 per cent of the total sulphur trioxide may be used in the first reaction and 75-85 per cent in the second reaction.  The sulphur dioxide produced may be scrubbed with 98-99 per cent sulphuric acid at a temperature of 150 DEG F., filtered to remove entrained sulphuric acid, compressed, cooled, and rectified in known manner to produce substantially 100 per cent pure liquid sulphur dioxide.
Patent GB-700496-A (GB)
Title: Improvements in the production of electrical components and assemblies of components
IPC: H01H21/02
Filed: 1947-05-03
Abstract: 700,496. Mechanical switches; switch. bases. STRONG, H. V., and EISLER, P. June 21, 1948 [May 3 1947] No. 15652/52. Divided out of 700,451. Class 38(5) [Also in Group XXXVI] Switches, and other electrical apparatus can be formed by assembling conducting (a resistance) and insulating material side by side and then cutting the assembly into slices to form a plurality of pieces of apparatus, As shown, insulating members 10, 11, 12 are assembled side by side and incorporate metal members 13, 14, 15, 16 while a frame 17 holds them all in position. Temporary stay members can be used to retain the parts during the slicing operation. Specifications 639,111, 639,178, 639,179, 700,451, [all in Group XXXVI], are referred to.
Patent GB-559039-A (GB)
Title: Improvements in roller steadies for lathes or other machine tools
IPC: B23B29/16
Filed: 1942-11-09
Abstract: 559,039. Steady-rests. COLLINS, G. A. Nov. 9, 1942, No. 15781. [Class 83 (iii)] A roller steady for a lathe comprises a body 2 having a hollow shank 5 and provided with slides 3 for rollers 4 engaging the work 6 while the tool 12 is mounted in a member 9 rotatable in the body for fine adjustment of the tool. In Fig. 1 the adjustment is effected by a screw 17 engaging a shoulder 18 on the member 9 which is then clamped by a screw 14. In a modification, Fig. 5, the member 9 is rotated to adjust the cutter by a screw 20 engaging a sector 19, the screw being rotated by a spindle 22 carrying a graduated dial 21.
Patent GB-159063-A (GB)
Abstract: 159,063. Aspinall, Sir J. A. F. Dec. 8, 1919. Shoe collectors; supporting and controlling arrangements for collectors.-Gaps between a locomotive and its conductor rail are spanned by a supplementary collector C carried by a longitudinally-disposed member B which is mounted on and can be projected in front of the locomotive. A rear and front collector may be provided, one on either side. Each member B may be located in a tubular housing A, and may be hollow to convey the cable H, which can be coiled on a drum H' rotated by hand or by a motor. The cable or a supplementary rope may be used to operate the member B, or a handle E on the member may be used. The cable H may be thrown into circuit automatically when the member B is projected. The member B may have joints D, G, or a universal joint at D, in which case the housing may be dispensed with and the member folded across the locomotive. The collector C may serve as the normal collector, and may consist of a strip J insulated at L from a holder K which can swivel at a suitable angle on the member B, so as to be used for side contact, Fig. 3, or under contact, Fig. 5, or either form may be used for top contact.
Patent GB-1185199-A (GB)
Title: Breathing pack for converting liquid air or oxygen into breathing gas
Inventor: NICASTRO SEBASTIAN VINCENT
IPC: A61M16/10
Filed: 1967-04-06
Abstract: 1,185,199. Breathing apparatus. FIREWEL CO. Inc. 6 April, 1967, No. 15937/67. Heading A5T. [Also in Division F4] Apparatus for converting liquid air or liquid oxygen into gaseous form comprises a container for the liquid having a liquid outlet member and a gas inlet member connected together and so arranged that, no matter how the container is orientated between a vertical and a horizontal position, the liquid outlet is always at the lowest point of the container and the gas inlet is always at the highest point, there also being means for converting the liquid into gas and returning a part of the gas to the container. As shown in Figure 2, liquid air or liquid oxygen 6 is stored in the double walled container 5 there being an outlet 56, 54, 49, 12 from the container providing liquid for breathing, and an inlet 33, 71, 68, 70 supplying gas to the space 9 in the container to maintain pressure on the liquid, the outlet and inlet including swivel connections such that a weight 57 on the outlet maintains the outlet and inlet in liquid and gas spaces respectively in spite of changes in orientation of the container. The apparatus is provided as a pack 8 (Figure 1) to be carried by a miner and also includes a heater 16 converting the liquid to breathable gas, a heating coil 26 providing gas from the liquid for maintaining the gas pressure in the container 5, and a pressure regulating valve 30. The space between the walls 40, 43 of the container 5 is evacuated or filled with insulating material, and the breathable gas is supplied to the miners face-mask via a releasable coupling 20.
Patent GB-1344083-A (GB)
Title: Drive control means
IPC: B65G1/04
Filed: 1971-05-20
Abstract: 1344083 Warehouse positioning systems CLARK EQUIPMENT CO 20 May 1971 [15 June 1970] 15937/71 Heading G4H The disclosures are substantially identical to those of Specification 1,344,082, and the claims relate to a vehicle drive system with means for sensing 2 position marks (74), (76), Fig. 6 (not shown), to each end of a coded position plate and for terminating the drive of the vehicle in the event of both marks being aligned with corresponding sensing heads. The speed selection circuit (182), Fig. 7 (not shown) and fine positioner (194) are described and as shown comprise a servo system 200 driving a motor 42 via D.C. generator 216, the inputs thereto being of variable magnitude depending upon the energizing of one of three relays 240, 248, 253 by signals on lines 180, 184, 186 respectively. Upon occurrence of a signal on line 192 from AND gate (146), relay 258 is pulled to enable a very low voltage dropped across resistance 255 to be applied via one of contacts 250, 252, and contacts 270, 290 are also closed. Signal on line 162 operates relay 288 to cause contacts 230, 232 to apply either a positive or negative voltage to the servo-loop 200. Assuming a positive voltage, relay 288 is energized to close contact 230 and open 232 (i.e. opposite to that illustrated), and contact 286 is also closed to thereby operate relay 282 to maintain positive switch 250 closed. Upon sensing of mark (74), reed switch 120 is closed and energizes relay 266 to close contacts 272, 280, 292 causing relay 276 to be energized in the branch 206 to operate contacts 278, 284 so that a small positive voltage at 200 is maintained, relay 282 still being actuated via contacts 278, 280. Upon sensing of mark (76) switches 274, 294 are operated via relay 268 energized by closing of the corresponding reed switch 124 thereby completing a circuit branch 210 to energize relay 296 to open contact 246 to stop the motor 42. In the event of overshoot, switch 120 opens but 124 remains closed thereby releasing only contacts 272, 280, 292 causing both relays 282, 296 to be deactivated and apply a small negative voltage via contact 252 to correct the position.
Patent GB-593996-A (GB)
Title: Improvements in or relating to expansion joints in concrete and like structures
IPC: E01D19/06
Filed: 1945-06-22
Abstract: 593,996. Expansion joints. UNIVERSAL RUBBER PAVIORS, Ltd., GAISMAN, L., and SCOTT, W. L. June 22, 1945, No. 15956. [Class 20(iv)] An expansion joint bridging and protection unit for concrete and other structures such as are used in the construction of bridges, in the floors or buildings and in roadways, comprises a rubber cap 10 for bridging the joint attached permanently to longitudinal metal bars 11 which are secured to the base structure so that the central unattached portion of the cap 10 is uncompressed when the concrete reaches its maximum expansion and minimum joint gap, together with means for.supporting this portion of the cap extending across the gap. As shown, the bars 11 are secured to the structure by rag bolts passing through holes 13b in the lug extension 13a and have a rebated face drilled with spaced holes 12 which serve to key the rubber 10. The bars are formed along their adjacent inner edges with fingers 14 and intervening complementary recesses 15 which support the central longitudinal unattached and extensible portion of the rubber cap. The mechanism for stretching the cap comprises screws 17 in the outer ends of opposed holes in the lugs 13 on the underface of the bars 11, engaging dowels 18 slidably located in said holes. In preparing the unit for fixing in situ, the initial stretch required is calculated in relation to the expected maximum and minimum opening due to extremes of temperature, by measuring the opening of the expansion joint and the temperature at the time of laying, and screws 17 are tightened against the dowels 18 to apply such initial stretch.
Patent GB-633955-A (GB)
Title: Improvements in pads for use in the waving of hair
IPC: A45D7/06
Filed: 1947-06-18
Abstract: 633,955. Sponges. EVANS CHEMICALS, LTD., HENDY, T. G. C., and BELL, A. B. June 18, 1947, No. 16097. [Class 131] An absorbent element for use in hair waving, for the transference, to an exothermic sachet, of the liquid necessary to initiate the reaction, comprises a pad of sponge rubber the pores of which are exposed on at least one face of the pad while at least one other face of the pad is sealed by an impervious skin. As shown, one face of the pad is sealed by a film 3 the pores being exposed at 1 and 2 but in a preferred form all of the faces except one are sealed by a film formed in the process of production or provided by the separate application of a thin film of an impervious material, so that the pad having been loaded by compression and release under the surface of liquid in a reservoir, removed from the liquid and pressed against the perforated surface of an exothermic sachet all of the absorbed liquid will be expressed from one side of the pad. Specification 458,825 is referred to.