baber/WOPTO huggingface dataset:
Patent GB-563649-A (GB)
Title: Improvements in pumping devices for liquid
IPC: F04B49/16
Filed: 1942-11-06
Abstract: 563,649. Pumping systems. BURN, L., and BARRISON CARTER, Ltd., J. Nov. 6, 1942,No. 15712. [Class 102 (i)] In pumping apparatus comprising an intermittent pressure pump A in communication with a suction pipe C having an inlet valve E at its lower end and with a delivery pipe D providing a substantial head of liquid, the cyclic variations in the velocity of the pump piston setting up resonant impulses in the column of liquid in the suction and delivery pipes whereby a volume of liquid greater than the swept volume of the pump chamber is induced to flow through the system, there is provided an externally-controlled but otherwise resilient piston 1 mobile in a liquid-receiving cylinder B open to the energized liquid conduit ; the volume of the receiving cylinder being at least equal to or greater than the swept volume of the pump, and means are provided for adjusting at will the capacity of the receiving cylinder from maximum to nil. The piston 1 is loaded by a spring 6 and its forward movement is limited by flanges 3, 4, whilst its rearward movement is controlled by abutments 13, 14, the former of which is set by a hand wheel 12. The apparatus may be used for pumping different separate liquids, in which case the impulses energize a spring-loaded plunger device G, and the system is protected by a safety device F whose resilient resistance is greater than that of the devices B, G. The device G comprises a housing 20 connected to the pump A by a conduit H and an isolating valve 40, and containing a flanged cylinder 21 with a packed piston 24 carried by a rod 28 and spring 33. The piston 24 draws through foot valves 22 and delivers to a conduit D<1>. The device F comprises a packed piston 43 controlled by a spring 45 within a cylinder open to the atmosphere. It may be replaced by relief and byepass valves, as described in Specification 563,631, [Group XXVI]. In a modification, the conduit H is within the pipe D<1>.
Patent GB-204014-A (GB)
Title: Improvements in anti-creep checks or anchors for railway rails
IPC: E01B13/02
Filed: 1923-06-16
Abstract: 204,014. McLean, W. J. T. Sept. 12, 1922, [Convention date]. Creeping of rails, preventing.-In one-piece rail anchors, Fig. 1, having a pair of rail gripping- tongues 3, 4 and an integral sleeper-abutment 9, the abutment is so arranged as to engage the sleeper 10 beyond the rail flange. The tongues 3, 4 are oppositely disposed and one or both are undercut so as to leave a boss 7 which engages the rail flange while the tongue 3 may incline downwardly. The abutment 9 may be inclined forwardly and is bent out from an arm 8 inclined away from the rail. The anchor may be strengthened by a corrugation or rib 11. The Specification as open to inspection under Sect. 91 (3) (a) states also that the anchor 1, Fig. 5 (Cancelled), on the side opposite to the abutment may have an arm 12 bent back and engaging the rail flange, while that part of the body of the anchor in engagement with the edge of the same flange may be cut away, as at 13. This subject-matter does not appear in the Specification as accepted.
Patent GB-860890-A (GB)
Title: Process of recovering tungstic oxide substantially free from molybdenum compounds
IPC: C01G41/00
Filed: 1957-05-17
Abstract: Tungstic oxide is recovered from tungstatecontaining materials by treatment with sufficient concentrated hydrochloric acid to dissolve the tungsten, the temperature being below 70 DEG  C. and preferably above 60 DEG  C., and the hydrochloric acid being kept in a concentrated state, and then selectively precipitating acid-insoluble yellow tungstic oxide from the solution by reducing the hydrochloric acid concentration.  Any molybdenum or other acid-soluble impurities remain in the solution when the tungstic oxide is precipitated.  The precipitation may be effected by heating the solution to above 70 DEG C., preferably below 95 DEG  C. Preferably at least 20 c.cs. of hydrochloric acid per gram of tungsten calculated as WO3 are employed to decompose the material.  The tungsten-containing material may be a mineral such as scheelite, powellite, ferberite, huberite, wolframite, scheelite-powellite, or concentrates derived therefrom. The acid treatment may be effected at a pressure of 0-75lb./sq. inch above atmospheric, for example, in a closed system in which hydrogen chloride evolved is condensed and returned to the solution.  The precipitate may be washed with concentrated hydrochloric acid, then with dilute, e.g. 1/4 %, hydrochloric acid, and then with a solution of a neutral salt, e.g. 1% ammonium acetate, to remove acid-soluble impurities and free acid.  Any molybdenum present in the starting material remains in solution when the tungstic oxide is precipitated.
Patent GB-254704-A (GB)
Title: Improvements in or relating to automatically operating scavenging valves for two-stroke cycle internal combustion engines applicable also to compressors and the like
IPC: F01L3/20
Filed: 1926-06-24
Abstract: 254,704. Aktiebolaget Atlas Diesel. July 2, 1925, [Convention date]. Flap valves.-Elastic flap valves 12, controlling the admission of scavenging-air from a receiver 4 to the ports 3 of a two-stroke engine, and also applicable to compressors and the like, are arranged to bear against curved faces 7 as they are automatically opened by the air pressure. The valves close upon the flat upper edges of partition walls 8 extending upwards from the surfaces 7 and dividing the inlet passage into a series of channels 9. These channels 9, when the valves are open, each communicate with a passage 11 formed by the underside of the surface 7 above.
Patent GB-609816-A (GB)
Title: Improvements in an apparatus for measuring compression forces, more particularly a weighing apparatus
IPC: G01G3/14
Filed: 1945-06-22
Abstract: 609,816. Pressure indicating. COX & STEVENS AIRCRAFT CORPORATION. June 22, 1945, No. 15945. Convention date, June 10, 1944. [Class 40 (i)] [Also in Group XXXVI] Pressure applied to a member 21, Fig. 3, compresses a plurality of pillars 22a ... 22d mounted on a base 20 to vary the resistance of strain gauges 30a, 30b, &c. attached to the pillars. A pillar 50, not in contact with member 21, may carry similar gauges to allow correction for temperature variations. The gauges are preferably connected in a bridge, Fig. 11, whose out-of-balance potential is an indication of the applied pressure. A resistance 80, Fig. 11, may have a temperature coefficient to compensate changes in the modulus of elasticity of the pillars due to temperature change. A further resistance 83 or 83<SP>1</SP> may be added to compensate for unequal effects on the resistance gauges of temperature changes. The member 21 may have an enlarged base, Figs. 5 and 7 (not shown). The gauges may be in the form of wire embracing the pillar, Fig. 7 (not shown), thus utilising the Poisson effect, and in this case the pillar may have a decreasing diameter towards the centre, Fig. 15 (see Group XXXVI). Both types of gauge may be utilised with pillars of appropriate length, Fig. 5 (not shown). Specifications 549,140 and 565,462, [Group XXXVI], are referred to.
Patent GB-895223-A (GB)
Title: An apparatus for joining sheet material by inductive heating under pressure
IPC: C02F1/14
Filed: 1958-05-19
Abstract: 895,223. Seaming. PHILIPS ELECTRICAL INDUSTRIES Ltd. (Philips' Gloeilampenfab. rieken N.V.). May 19, 1958, No. 16009/58. Class 42 (1). [Also in Groups XI and XVII] In Fig. 1, apparatus for subdividing a flexible liquid-filled container into sealed compartments comprises a number of pressure-members 5 which are mounted on an endless band 4 and which are pressed one after the other towards the container 1. Further members 9 on another endless band 8 are also pressed towards the container and coact with the members 5. An inductor coil (not shown) is provided on each member 5 and a short pulse of high-frequency current is passed through it as an outer coupling coil 6 passes a stationary coupling coil 7. A further pair of bands with pressure members (not shown) is provided for forming adjacent joints at right angles to each other. Fig. 2 shows a pressure member 12 having zones 16 in which currents induced by a coil 13 are concentrated and which have small heat capacity in relation to the centre part of the member 12 ; rapid heating and cooling of these zones and of the joint in the sheet material 14 results. In Fig. 3, heating zones 16 are on the opposite side of the material 14 to the coil 13. The modification shown in Fig. 4 includes a thin metal layer 11, and the coil 13, which may be watercooled, is embedded in a magnetic material, e.g. iron powder. Two opposing pressure-members with heating zones which substantially coincide may be provided.
Patent GB-921719-A (GB)
Title: Improvement in magnetic stirrers
Inventor: STOTT FRANK DUDLEY
IPC: B01F13/08
Filed: 1960-05-06
Abstract: 921,719. Magnetic stirrers. NATIONAL RESEARCH DEVELOPMENT CORPORATION. May 1, 1961 [May 6, 1960], No. 16079/60. Class 86. A stirrer for liquids comprises a cone or dynamically equivalent shape of magnetic material lying on the bottom of the container and caused to roll by a rotating magnetic field. As shown, the stirrer comprises a disc 2 having on the underside a coaxial hemisphere 3 (corresponding to a cone of which the disc 2 is the base and the point 11 the apex). The stirrer may have vanes as at 12, and may alternatively be a pure cone as at 10 or a diso with a central pin. The stirrer may be encased in polythene. The rotating field is generated by a U-shaped salient pole magnet which rotates about an axis 9 passing through one of the poles 7 and which may be balanced by a weight 17. It may be permanent or D.C. energized and may be bar-shaped. Alternatively, the rotating field may be generated by a fixed multipolar field winding energized by a polyphase A.C. supply.
Patent GB-1282259-A (GB)
Title: Paint spray
Inventor: METZNER JOHANNES
IPC: B05B3/02
Filed: 1971-05-20
Abstract: 1282259 Paint spray PIKO SONNERBERG VEB 20 May 1971 16121/71 Heading B2F [Also in Division A6] A toy paint spray comprises a paint container 2 having a nozzle 5 adjustable by needle valve 6 at its base, a rotatably mounted roller wheel 4, preferably a toothed roller wheel, and a rotatably mounted brush 3 which is driven by means not shown to rotate roller wheel 4 and spray paint carried by the roller wheel from the nozzle.
Patent GB-697173-A (GB)
Title: Advertising devices
IPC: G09F13/20
Filed: 1950-06-28
Abstract: 697,173. Applications of luminescent material. JOURNEL, J. June 28, 1950 [July 1, J949; May 5, 1950], No. 16129/50. Class 39(i) [Also in Group XVIII] An advertising device (see Group XVIII) comprises a discharge flash lamp for producing fashes of light in the vicinity of matter to be advertised to direct attention thereto. The sign or object to be advertised is coated with fluorescent material which is excited by the flashes and glows in the intervals. The flashes may be controlled by a microphone or photo-electric cell if desired.
Patent GB-201531-A (GB)
Title: Improved process of vulcanising oils or fats
IPC: B05D3/04
Filed: 1923-06-21
Abstract: Fats &c. are vulcanized by exposure to sulphur chloride vapour, preferably in an exhausted chamber and at atmospheric temperature. The process is especially adapted for varnishing or lacquering leather, artificial leather, and rubber goods, by coating the article with fatty oil and then submitting it to the action of the chloride. Unvulcanized rubber may be coated with untreated oil and the oil and rubber vulcanized simultaneously. Oils &c. specified as suitable for treatment are fats, drying, semi-drying and non-drying oils such as rape oil, almond oil, olive oil, linseed oil, castor oil, and cod-liver oil, alone or mixed, their fatty acids, sulphurized oils, and polymerized or oxidized oils.  There may be added dilutents such as carbontetrachloride, turpentine oil, or "safrole," preferably such as may be vulcanized, drying agents, dyes, resins, gums, or rubber or other material modifying the elasticity, hardness, or lustre of the layer.
Patent GB-1508992-A (GB)
Title: Powder paint compositions comprising siliceous materials
IPC: C09D5/46
Filed: 1975-06-12
Abstract: 1508992 Powder paint compositions UNILEVER Ltd 12 June 1975 [11 April 1974] 16213/74 Headings C3B and C3R A powder paint composition comprises as matting agent a siliceous material (S) of porevolume 0À2-0-8 cc./g. (S) may have average particle size 1-100 Ám. and oil absorption 50-130 g. oil/100 g. (S). (S) may be silica gel or an SiO2/Al2O3 composition of the cracking- catalyst type, e.g. comprising 13 or25%Al2O3. 7À5- 16 % wt. (S) may be added to a conventional paint composition, which may be epoxy-resin or polyurethane based and may be black.
Patent GB-612593-A (GB)
Title: Improvements in air-cooled mercury vapour current converters
IPC: H01J13/32
Filed: 1946-05-29
Abstract: 612,593. Air -- cooling for converters. ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI. May 29, 1946, No. 16362. Convention date, July 11, 1945. [Class 39 (i)] An air-cooled metal tank mercury vapour converter has arranged within the tank C a cluster of U-shaped tubes T through which the cooling air circulates in parallel. The tubes are so disposed that the curved portions penetrate into the region R of high vapour pressure adjacent to the cathode K. Their inlets e and outlets S are positioned in adjacent regions of the anode-carrying lid P, said regions being separated by a partition g which may house a fan V and act as an air shaft. An air-cooling system m is also provided round the outside of the tank, which system may be operated either independently of or in series with the internal cooling system. Specification 464,741 is referred to.
Patent GB-825291-A (GB)
Title: Improvements in or relating to spark-machining
Inventor: BENNETT ROBERT STANLEY
IPC: B23H7/16
Filed: 1956-05-26
Abstract: 825,291. Cutting by spark discharge. BIRMINGHAM SMALL ARMS CO. Ltd. Aug. 26, 1957 [May 26, 1956], No. 16364/56. Class 83 (4). In the drilling of a hole in a workpiece 1 by spark erosion, the electrode 3 is periodically withdrawn from the hole which is then filled with a dielectric liquid and the electrode reinserted. This is done to clear the accumulation of debris from the hole. The end of the electrode may be trimmed whilst it is withdrawn. In one embodiment the electrode is fed by an electric servomotor and periodically an electric timer 14 consisting of a motor driven set of cams, Fig. 2 (not shown), closes contacts 16A, 16B and 17A, 17B. This produces a short-circuit through conductors 18 between the electrode and workpiece which causes the servomotor to withdraw the electrode out of the workpiece and the dielectric bath 2 and out of normally-open contacts 19 which are thus closed to energize a relay 11. This opens contacts 12 in the servomotor circuit to stop the withdrawal and closes contacts 10 to energize a solenoid 6 which operates a slidable cutter 5 to trim off the end of the electrode. The timer subsequently opens contacts 16A, 16B, 17A, 17B whereby the electrode is re-inserted and drilling proceeds. In another embodiment the electrode is fed by gravity but is withdrawn by an electric motor upon closure of contacts 16A, 16B; relay 11 controls an electromagnetic clutch or brake to stop the withdrawal. The timer may be arranged to effect trimming of the electrode once every three withdrawals.
Patent GB-1272739-A (GB)
Title: Tongue for footwear
IPC: A43B23/26
Filed: 1970-04-07
Abstract: 1,272,739. Laminates. J. RIEKER, [trading as DcJUSTUS RIEKER & CO.]. 7 April, 1970 [26 April, 1969], No. 16531/70. Heading B5N. [Also in Division A3] A tongue, e.g. for a ski-boot or other footwear with tension levers fasteners, includes a layer of padding 1, e.g. of cellular plastics material, and a moisture-impermeable shaped element 2 of hard material, e.g. polystyrene or hard polyvinyl chloride, which conforms to the shape of the instep and is disposed adjacent the padding 1 over the outer surface thereof. The element 2 may be in the form of a solid injection moulding or may be a hollow body (not shown). The tongue may be covered on both sides with layers 3, 4 of leather which may be bonded to the layers 1, 2 or which may be in the form of a pocket in which the layers 1, 2 are inserted.
Patent GB-145446-A (GB)
Title: Improvements in apparatus for use in splicing thread or other like stranded material
IPC: B65H69/06
Filed: 1920-06-18
Abstract: 145,446. Brigham, A. A. Dec. 30, 1915, [Convention date]. Splicing.- Apparatus for use in the splicing of threads or other materials composed of strands comprises two opposed twisting heads 2, 3 mounted in axial alinement on a baseplate. Each head comprises a hollow spindle provided at one side of its bearing 8 with a long pinion 10 and at the other end with a knurled sleeve 12. The thread is inserted through slots in the pinion, sleeve and spindle and is clamped by a screw 16. The spindles are rotated through a definite number of revolutions corresponding to the number of twists to be removed by hand gears 22 which travel along screwed spindles 18 between adjustable, lock-nuts 24, 26. The spools, &c. of thread are supported on pivoted arms 28 and the thread is passed through guides 30, the free end being held in adjustable clamps 32. When the end is untwisted by rotation of the gear 22 the separated strands b are secured in the brushes 50, 51. The free ends of two strands are then twisted together between the fingers of the operative and the joined strand is stretched across the face of a pivoted curved plate 36. The face of the plate is vertical and is provided with a shallow groove. The plate is adjustably secured to a rocker-arm controlled by a spring 46 and moving between adjustable stops. Each pair of strands is twisted and stretched across the plate 36, the joinings being arranged at different points along the plate to avoid a bulky splice. The heads are now rotated in the reverse directions to replace the twist in the thread, this action causes the thread to shorten and to rock the plate 36 until the thread slips off the plate. The spliced section is then removed from the heads and stretched between supports 53, 54 the ends being trimmed and the splice dressed with wax, starch, &c. The support 54 comprises a notched disk 56 carried by a weighted arm which tends to tension the thread when it is secured in the notch and the arm freed.
Patent GB-515499-A (GB)
Title: Improvements in or relating to hinged doors of ovens, refrigerators and like tightly fitting doors
IPC: F24C15/02
Filed: 1938-06-03
Abstract: 515,499. Fastenings; hinges. MAIN, Ltd., R. & A., and WORTLEY, G. W. June 3, 1938, No. 16723. [Classes 44 and 65 (ii)] In rotatable latches for oven &c. doors of the kind in which the rotation of the latch in contact with the keeper draws the door tightly against its frame, a spring &c. 26 on the spindle of the latch 14 causes the lower end 34 of the latch to overlap the keeper 13, the part 34 and the lower end of the keeper being both bevelled so that during the closing of the door the latch snaps past the keeper. Subsequent rotation of the latch against the action of the spring brings a cam surface 38 into contact with the keeper and draws the door 11 tightly against the frame 10. The hinge pivot 45 may be carried by a bracket 39 adapted to screw into the frame to adjust the hinge. In other forms, spring adjustments of the pivot are used.
Patent GB-122804-A (GB)
Title: Improvements in Grinding Machines.
IPC: B24B25/00
Filed: 1918-10-15
Abstract: 122,804. Churchill Machine Tool Co., March, S. H., and Asbridge, H. H. Oct. 15, 1918. Driving-devices. - A grinding-wheel spindle, capable of swivelling in an horizontal plane and of vertical adjustment, is driven by a train of gearwheels from a driving-pulley having a fixed position in relation to the machine. The support 5 for the grinding-wheel 6 is adjustable vertically on the column 2, which is mounted to swivel on the main frame 1 by means of trunnions 3, 4. A spindle passing through the trunnions is geared by wheels 15, 16 to the spindle of the pulley 12 and by wheels 18, 19 to the grinding-wheel spindle.
Patent GB-1093511-A (GB)
Title: Hinge connections for doors or panels
Inventor: MILLWARD RONALD FREDERICK
IPC: E05D7/08
Filed: 1964-04-23
Abstract: 1,093,511. Hinges and pivots; glass doors. TONKS (BIRMINGHAM) Ltd. April 14, 1965 [April 23, 1964], No. 16811/64. Headings E1J and E2F. A glass door or panel is mounted on pivots 13, 14 engaged in sockets 23, 17 of levers 22, 16 attached to fittings 11, 12 which are fitted in arcuate recesses in the glass panel, as described and claimed in Specification 1,093,512. The lever 16 has a horizontal ledge 18 to support the door, and is secured to fitting 12 by screws passing from side to side of the door and through elongated holes in lever 16 which is thereby provided with means for longitudinal adjustment with respect to the door. Screw 21 threaded in socket 17 permits vertical adjustment of the door. Pin 14 may be the spindle of a door closer, in which case pin 14 and socket 17 may be of similar but non-circular cross-section.
Patent GB-575614-A (GB)
Title: Improvements in inflatable dinghies
IPC: B63B7/08
Filed: 1942-11-27
Abstract: 575,614. Inflatable dinghies. WILLIAMS, P. W. L., and R.F.D. CO., Ltd. Nov. 27, 1942, No. 16875. [Class 113 (ii)] In an inflatable dinghy comprising a tubular gunwale 10 and a tensioned bottom 11, the latter is formed with an orifice 14 to admit air to the space enclosed above the water when the dinghy is inverted. A tubular duct 13 may extend from the orifice 14'to a point just below the upper level of the gunwale, and be provided with a tie-cord 15.
Patent GB-1001743-A (GB)
Title: Organosilicon compositions
IPC: C08K3/22
Filed: 1964-04-23
Abstract: An organosilicon composition comprises a siloxane resin having a ratio C6H5 : Si of 0.3 to 0.9 : 1, a ratio R : Si of 0.4 to 1.2 : 1 and a ratio (C6H5+R) : Si of 1 to 1.7 : 1 and containing at least 0.25% by weight of Si-bonded OH groups, a filler and a catalyst combination comprising lead monoxide or lead carbonate and a carboxylic acid or ammonium salt thereof, where R is a monovalent hydrocarbon or halohydrocarbon radical other than phenyl.  Suitable values of R are, e.g. -CH3, -C2H5, -C3H7, -CH=CH2, -CH2CH2CH2Cl, -CH2CH2CF3, -C6H11, -C6H3Cl2, -C6H4CF3, -CH2C6H5. Phenylmethylsiloxane resins are preferred.  Suitable acids are resin acids, linoleic, stearic, oleic, acetic, butyric, naphthenic, octoic, benzoic, lauric, palmitic and 2-ethylhexanoic acids. Acetic, stearic and benzoic acids are preferred. Preferably there should not be less than 0.5 mol. of acid or salt per mol. of lead compound. Suitable fillers are glass, diatomaceous earth, crushed quartz, fume silica, precipitated silica, clays, the silicates of zirconium, magnesium, lithium and aluminium, iron oxide, magnesium oxide, titanium dioxide and calcium carbonate. The catalyst mixture may be added in either order, or in combination with a part of the filler.
Patent GB-312936-A (GB)
Title: Improvements in gudgeon pins for reciprocating engines
IPC: F02B3/06
Filed: 1929-06-01
Abstract: 312,936. Naamlooze Vennootschap Smit & Co.'s Machinefabriek. June 2, 1928, [Convention date]. Connecting-rod.-To avoid undue weakening of the gudgeon-pin in a connecting-rod small-end, in which a hardened steel block 5 in the connecting-rod rolls on the curved surface of a hardened steel block 4 secured in a recess in the gudgeon-pin 3, the point of contact between the blocks 4 and 5 is arranged at a distance of approximately half the radius from the centre of the gudgeonpin. Specification 15483/11 is referred to.