baber/WOPTO huggingface dataset:
Patent GB-1315895-A (GB)
Title: Electrical connecting device
IPC: H01R12/79
Filed: 1971-07-13
Abstract: 1315895 Electric couplings KABELUND METALLWERKE GUTEHOFFNUNGSHUTTE AG 13 July 1971 [16 July 1970] 32805/71 Heading H2E Contact areas on an edge of a printed circuit board 4 and the contacts of a plug 7 on an end of a tape cable 6 are held in mutual contact by confinement in the hollow rectangular interior of an insulating holder 1, which has apertured lugs 2, 3 to enable it to be secured to an apparatus. Two plugs 7, or the exposed conductor ends of two tape cables, may be similarly connected.
Patent GB-645418-A (GB)
Title: Endless chain conveyors
IPC: B65G19/26
Filed: 1947-12-12
Abstract: 645,418. Conveyers. FORSTER, L. G. Dec. 12, 1947, No. 32863. [Class 78 (i)] In an endless chain conveyer a finger is supported on pivots which move with and are maintained at a constant distance inwardly of the chain which at the forward end runs over pulleys which are so arranged that the finger, when held against rotation, travels forwardly, dwells at the end and moves rearwardly a predetermined distance, after which it is rotated about its pivots so as to move downwardly before being carried rearwardly. The finger 12 is carried by a tubular member 31 which is rotatable about a spindle 26. The spindle is secured at either end by plates 32 to the links of a pair of parallel chains 10. The member 31 has secured thereto guides 30 comprising channel-shaped members having a recess 39 into which passes a pin 27 or 28 which extend laterally from the chain at spaced intervals and which control the rotation of the finger. The chain passes partly round end pulleys 15, 16 and driving-sprocket 14. The plates 32 are of such length that when the finger is at the forward end the spindle 26 is concentric with the pulley 15, the finger dwells while the chain and pin 27 run through the guide and the rear pin 28 enters the guide which is steadied by a skid 21 engaging a plate 29 secured to a side frame member. The chain passes half-way round the pulley 15, then rearwardly round the pulley 16 and sprocket 14. The guide 30 tilts and the pin 27 re-engages and the chain proceeds on the return run. At the rear end the chain passes round a single pulley which is fitted with a guide-ring which the skid 21 engages to steady the guide 30 until a pin re-engages. The end pulleys are mounted on spindles and the sprocket on a transverse shaft 18 secured to side frame members. The finger passes through a gap in the top frame member which also has slots for the guides. The chains are guided between side-plates.
Patent GB-410421-A (GB)
Title: Improvements relating to the treatment of jute in preparation for spinning
IPC: D02G3/00
Filed: 1933-11-25
Abstract: 410,421. Treating jute in preparation for spinning. CHELSEA FIBRE MILLS, 1155, Manhattan Avenue, Brooklyn, New York, U.S.A. Nov. 25, 1933, No. 32970. Convention date, Dec. 7, 1932. [Class 120 (iii).] In the preparation of jute for spinning a relatively slow combing, drawing and straightening of the softened jute fibres is interposed between the softening and carding stages ; this treatment reducing the formation of slubs and permitting the omission of the breaker card. The jute fibres are softened in a roller machine 12 and are then fed by an apron 24 to the combing and straightening machine 22 which resembles a hard fibre breaker but in which the draft is reduced to three or four to one, the straightened sliver being formed into a roll 46 or collected in a can. The roll form is convenient for conditioning treatment after which the slivers are fed to a breaker card if desired or more usually straight to the finisher card and then to drawing or roving frames.
Patent GB-286817-A (GB)
Title: Improvements relating to decking plant for collieries and the like
IPC: B66B17/20
Filed: 1926-12-30
Abstract: 286,817. Kershaw, A. G., Raymer, F. J., and Westinghouse Brake & Saxby Signal Co., Ltd. Dec. 30, 1926. Drawings to Specification. Wheel stops.-In colliery decking plant, wheel stops on the permanent way for permitting tubs to pass towards the cage are withdrawn automatically by fluid-pressure when the cage has reached bank-level and the tub controller on the cage has been operated, and are returned automatically by springs when the propelling ram completes its forward stroke. Other stops for holding back the following tubs are operated by fluid-preseure under manual control. Specifications 286,818 and 286,819, [both in Class 135, Valves &c.], are referred to.
Patent GB-1358163-A (GB)
Title: Photographic physical development processes
IPC: G03C8/28
Filed: 1970-07-07
Abstract: 1358163 Photographic receptor sheet MINNESOTA MINING & MFG CO 23 June 1971 [7 July 1970] 32975/70 Heading G2C Image receptor sheets for the photographic silver salt transfer process are prepared by (a) precipitating in a controlled way a metal salt (other than the sulphide) in an aqueous emulsion or solution of a water-permeable binder to produce an aqueous suspension of metal salt particles of a required average size, (b) converting the precipitated metal salt suspension into a suspension of that metal sulphide or metal nuclei which are non-photosensitive but are catalytically active in the diffusion transfer process and (c) coating the suspension on a base sheet either before or after step (b) to give a layer containing up to 2 mg. dm.<SP>-2</SP> of metal in the nuclei. In the Example, a gelatino silver chloride emulsion on a gelatine subbed polyester base is dipped in 0À03% Na 2  S solution, washed, fixed and dried to give a receiving sheet.
Patent GB-606282-A (GB)
Title: Expansion joint and dowel support for use in the construction of roads and the like of concrete
IPC: E01C11/14
Filed: 1945-12-06
Abstract: 606,282. Expansion joints. SWAN & CO., Ltd., T. Dec. 6, 1945, No. 33076. Convention date, Sept 7, 1943. [Class 20(iv)] An expansion joint and dowel assembly comprises an expansion joint 5, at least one dowel pin 10 disposed through the joint, and at least one U-shaped chair 7 with the dowel pin passing through one lug 11 and welded at 9 to the other 8. The rods 12, 14, 16 welded at 13, 15, and 17 respectively connect the chairs together, and to assemble the apparatus the free ends of the dowel rods are passed through the joint 5 and the chair assembly attached thereto by bending the ends 19 of the clips 18 over the rods 14 and 16. The rods 12 may be fixed by anchoring pins 20 driven into the sub level, and an expansion sleeve 22 may be provided at the free end of each dowel.
Patent GB-387793-A (GB)
Title: Method of and apparatus for splicing rubber articles
IPC: B29B15/04
Filed: 1931-11-30
Abstract: 387,793. Air tubes. GOODYEAR TIRE & RUBBER CO., 1144, East Market Street, Akron, Ohio, U.S.A. Nov. 30, 1931, No. 33101. Convention date, March 26. [Class 144 (ii).] Raw rubber tubes are spliced by flattening them, cutting off the ends, preferably along mating serrated lines, and pressing the freshly-cut ends together to form a joint as shown in the Figure.
Patent GB-865459-A (GB)
Title: Improved stop motion means for textile machines
IPC: H01H35/00
Filed: 1957-08-20
Abstract: 865,459. Control of motors. PARKSCRAMER CO. Aug. 20, 1957 [Aug. 23, 1956], No. 33342/60. Divided out of 865,458. Class 38 (3). [Also in Group IX] A stop-motion for a textile winding machine operated by the closure of a switch 78, Fig. 8, when a drop-wire is allowed to fall by the breakage or slackening of a strand being processed, is rendered inoperative at certain times by the opening of a switch 126. When both switches are closed, a circuit is established to a signal-lamp 152 and a quick-acting relay 154 to close a switch 146 controlling the supply to a switch 142 and a starter 140 governing the driving-motor 136. A temperature-responsive overload switch may be associated with a transformer 148 supplying power for the circuits. The circuit to the motor includes a slow-acting relay 144 which controls switches 156, 158 so that the stop-motion is de-activated until the machine is running properly and the strands are taut. The switch may be disposed in the circuit containing the relay 150 and switch 158 so that the signal-lamp will glow whenever a switch 78 is closed irrespective of whether the position of switch 126 allows the stop-motion to function.
Patent GB-430800-A (GB)
Title: New or improved lightning conductor device for use in connection with wireless aerials
IPC: H01Q1/50
Filed: 1934-11-20
Abstract: 430,800. Aerials. HARDMAN, K. T., 110, Singleton Avenue, Birkenhead, and CENTRAL EQUIPMENT, Ltd., 4, Shaw Street, Liverpool. Nov. 20, 1934, No. 33346. [Class 40 (v)] To protect a wireless set from the effects of lightning, the aerial down-lead wire h is is clamped by a grub-screw d against a metal tube c mounted in an insulating casing b. On the underside of the casing is mounted a metal electrode e spaced away from the tube c so as to form a sparking-gap across which any dangerous potential is discharged directly to earth through a lead g. The incoming wireless signals are normally conveyed direct to the wireless set through a continuation of the lead-in wire h.
Patent GB-1096004-A (GB)
Title: A fastening assembly
Inventor: STEELE IVOR JOHN
IPC: F16B12/14
Filed: 1965-08-04
Abstract: 1,096,004. Releasable fastenings. PACKAGING DEVELOPMENT Ltd. and AGRAN GROUP Ltd. July 29, 1966 [Aug. 4, 1965], No. 33400/65. Heading E2A. [Also in Division F2] A releasable fastening comprises a screw 16 rendered captive in a member 23 by a plate 13, which cooperates with a nut 17 located in a bore in the member 22 transverse to the axis of the screw. The nut includes a plate 18 which, like the plate 13, is fixed in position by nails or screws. The nut 17 may be hexagonal and welded to the plate 18 along one flat side. The screw may be internally threaded and cooperating with a stud fixed to the plate 18. The members 16 and 17 may form a bayonet joint.
Patent GB-604977-A (GB)
Title: Improvements in or relating to stays for window sashes and the like
IPC: E05C17/18
Filed: 1945-12-11
Abstract: 604,977. Stays for hinged articles. STER NER, B. Dec. 11, 1945, No. 33451. [Class 65 (i)] A pin and hole stay 1 of inverted U-shape in cross section, is reinforced at each side of each hole to provide uniform strength. The reinforcement may comprise ridges 9 on the upper surface and/or internal thickening of the sides. The inner end, which is connected to the casement by a double pivot, is adapted to abut the latter at 17 to prevent the stay from falling below the horizontal position. The outer end is formed with an arc-shaped handle portion having a tapered hole adapted to engage a pin fixed to the casement for securing the latter in the closed position. The stay may be formed by pressure die casting.
Patent GB-901908-A (GB)
Title: Gravity gradiometer system and method
Inventor: HUTCHINS ROGER WILLIAM
IPC: G01V7/16
Filed: 1959-10-03
Abstract: 901,908. Measuring gravitational forces. HUNTING ASSOCIATES Ltd. Oct. 3, 1959, No. 33588/59. Class 97 (3). Two liquid masses of different density are maintained in hydrostatic equilibrium at a predetermined gravimetric acceleration and changes in hydrostatic pressure are measured to indicate variations in the gravitational field. A denser liquid such as saline solution is contained in a closed cylindrical chamber 16 and surrounded by a less dense liquid such as a liquid hydrocarbon contained in a concentric cylindrical chamber 17, the two liquids communicating with each other through a tube 15 having a restricted portion in which the meniscus 20 is normally located which may be the common interface between the liquids or may be formed from a small drop of mercury. The meniscus 20 is located on the common axis 24 of chambers 16, 17 when the gravitational acceleration is normal. An excess mass of twenty million tons whose centre of gravity is located 2000 feet below the instrument causes a movement of meniscus 20 of approximately 0.002 inch. In a modification, changes in volume of the liquids is measured instead of movement of the meniscus 20. A plunger 25 may be moved into or out of chamber 17 by means of a knob 27 to bring meniscus 20 back to its original setting, the variation in the gravitational field being read on scale 32. Grids 21, 22 prevent excessive waves being formed on the upper surfaces of the liquids.
Patent GB-1058205-A (GB)
Title: Dartboards
IPC: F41J3/00
Filed: 1963-08-24
Abstract: 1,058,205. Dart boards. T. SINGLETON. Aug. 20, 1964 [Aug. 24, 1963], No. 33619/63- Heading A6S. A dartboard is provided with a surface having a plurality of target areas each comprising a plurality of concentric rings. twenty one such areas being provided, ten of which form an outer series C, ten forming an inner series B, and a central target area A, whereby a normal game of darts may be played.
Patent GB-814419-A (GB)
Title: Improvements in or relating to grease pumps
Inventor: NEUMAN CHAIM JAKOB
IPC: F16N13/08
Filed: 1956-11-05
Abstract: 814,419. Reciprocating pumps. NEUMAN Ltd., C. J. Feb. 5, 1958 [Nov. 5, 1956], No. 33665/66. Class 102(1). A grease dispenser comprises an open-ended cylinder 5 in a container 1 having a plunger 16 which emerges clear of the cylinder at the bottom of its stroke. The plunger feeds grease to a high pressure cylinder the piston of which controls an outlet port from the cylinder 5 and is operated simultaneously with the plunger 16 by a hand lever 9. The plunger 16 may be provided with an expanding skirt.
Patent GB-810417-A (GB)
Title: Improvements in or relating to amplifiers employing transistors
Inventor: CHAPMAN DAVID JOSEPH ROBERT
IPC: H03F3/21
Filed: 1957-10-29
Abstract: 810,417. Transistor amplifiers. STANDARD TELEPHONES & CABLES Ltd. Oct. 29,1957, No. 33712/57. Class 40 (6). In a transistor amplifier the output stage comprises a plurality of pairs of transistors each connected in push-pull, with the emitter-base circuits of the transistors all arranged in series as regards the input signal currents from the preceding stage and the collector-base circuits all arranged in parallel as regards the output signal currents carried thereby. As shown a transistor amplifier comprises a first push-pull stage including transistors 7A, 7B and an output stage comprising pairs of transistors 17A, 17B and 19A, 19B respectively. The transistors in the output stage are all connected in parallel as regards the power supply from the source 5 but are arranged so that as regards the signal currents their input circuits are all effectively connected in series through capacitors 18A, 18B. Chokes 25A, 25B serve to isolate the circuits which are connected in parallel as regards the direct-current supply. Similarly the collectorbase circuits of the transistors are connected effectively in parallel by being connected to respective primary windings of the transformer 26. The collector electrodes of transistors 17A, 17B are connected to the source 5 through respective chokes 30A, 30B. Negative feedback is provided by interconnections between the collector electrodes of transistors 19A and 19B and respective emitter electrodes in the preceding stage. In order to prevent possible instability when the output of the amplifier is open-circuited a large-valued resistor 33 is connected across the secondary winding of the transformer 26.
Patent GB-827621-A (GB)
Title: Preparation of lead tetraethyl
IPC: C07F7/24
Filed: 1956-11-05
Abstract: Lead tetraethyl is prepared by reacting a lead-sodium alloy with ethyl chloride in the presence of a minor proportion of at least one organic ester of a phosphorus oxyacid.  Specified catalysts are tricresyl-, trixylenyl-, triphenyl-, tribenzyl-, dibutyl phenyl-, 2-naphthyldiphenyl-, and 2 - naphthyl - 3 - methylphenyl-phenyl-phosphates.  Accelerators, stabilizers and yield improvers such as acetate and butyrate esters, acetals, ketones such as acetone and dipropyl ketone, styrene, naphthol, ethylene bromide, aldehydes such as butyraldehyde and furfural, naphthalene, diisobutylene, lecithin, nitromethane, amines, amides, salts such as aluminium trichloride, bromides and iodides and elements such as K, Mg, I, and Ca may also be present.
Patent GB-1104199-A (GB)
Title: Improvements in and relating to a worm for conveying mining material
IPC: B65G33/00
Filed: 1966-07-28
Abstract: 1,104,199. Mixing screws. GEBR. STORK & CO's APPARATENFABRIEK N.V. 28 July, 1966 [13 Aug., 1965], No. 33936/66. Heading B1C. [Also in Division B8] A conveying and mixing screw flight 2 is formed of flat portions a, b which are bent at angles to follow and be secured to core 1.
Patent GB-429117-A (GB)
Title: Improvements relating to yarn and like winding machines
IPC: B65H59/34
Filed: 1933-12-04
Abstract: 429,117. Winding yarns. ARUNDEL, COULTHARD, & CO., Ltd., and HIGGINSON, J., Sovereign Works, Stockport, Cheshire. Dec. 4, 1933, No. 34009. [Class 120 (ii)] In a drum-winding machine the pivotally-mounted part supporting the tube holder for the yarn package has an arm connected thereto and extending forward towards the front of the machine with a part or parts of the arm serving, in conjunction with fixed but adjustable parts, to tension the yarn passing to the yarn package by deflecting its travel so that, as the package increases in diameter and the arm tilts, the tension on the yarn is reduced by decreasing the angle of deflection of the yarn in its travel; the greater drag exerted on the yarn due to the decreasing diameter of the yarn supply package is thus compensated for. As shown, the arm a, extending forwards from the pivoted tube support b, carries one or more rods d by which the yarn f is deflected below the level of adjustably fixed rods e over which the yarn passes to the cone c. Specification 363,459 is referred to.
Patent GB-620396-A (GB)
Title: Improvements in woven flexible articles
IPC: D03D1/00
Filed: 1945-12-17
Abstract: 620,396. Blankets ; woven fabrics. MOBERG, I. O. Dec. 17, 1945, No. 34159. Convention date, Jan. 8. [Class 142 (iv)] [Also in Group XI] A double fabric has its plies interwoven at small isolated areas 4 to provide passages extending longitudinally and transversely. An electricallyheated blanket may be produced by inserting conductors A, B ; the plies are left unconnected for a short distance at the head and foot of the blanket, which are closed by sewn binding 9. Alternatively, stiffening members may be inserted to produce a hammock. U.S.A. Specification 2,203.918 is referred
Patent GB-619003-A (GB)
Title: Improvements in and relating to vehicle seat adjusting mechanism
IPC: B60N2/06
Filed: 1946-11-18
Abstract: 619,003. Seats. PARSONS, J. B. Nov. 18, 1946, No. 34179. Convention date, Dec. 22, 1945. [Class 52 (ii)] A vehicle seat adapted for slidable adjustment is provided with means whereby the seat is locked and prevented from surging forwardly on stoppage or sudden deceleration of the vehicle. Two arms 10, 11 interconnected at 12 are connected to the underside of the seat by a pivoted bracket 13, 14 and the other end of the arm 10 is pivoted to an arm 16 pivoted to a cross piece 17 pivotally connected to the floor by a bracket 19 and secured fixedly to a stationary member 18 comprising spaced parts to the other end of which the arm 11 is pivoted at 18b. Arranged between the spaced parts of the member 18 is a slidable locking member 40 provided at one end with teeth 39a engageable with teeth 38a on a quadrant 38 forming part of the arm 11. An arm 21 is pivoted by means of a slot 46 on a pivot 24 of the member 18 and the movement of its other end is limited by a stop 22 on the arm 16. Between the arm 11 and the arm 21 is arranged a motor 26 comprising a cylinder and piston 29a provided with a valve 33 operable by a solenoid 32 and leads 31. Also arranged between arms 10, 21 is a tension spring 35. To adjust the seat the valve 33 is opened to admit pressure fluid through pipe 30 so forcing the arm 11 forwardly through the piston 29a the seat being retracted when desired by means of the spring 35 when the valve 33 is opened and the pressure fluid shut off. On sudden stoppage or abrupt deceleration of the vehicle the seat tends to surge forwardly moving the arm 11 and with it the piston 29a. This creates a partial vacuum in the cylinder which then tends to follow the piston 29a and moves the arm 21 forwardly and with it, through the nose 45, the locking member 40 which by means of its teeth 39a arrests the arm 11 and holds the seat stationary. After stoppage or deceleration the spring 35 rocks the arm 21 about the end of the cylinder as pivot whereby, by means of a rib 44 engaging a projection 43 on the locking bar 40, withdraws the teeth 38a of the latter from the teeth 39a of the quadrant to unlock the mechanism.
Patent GB-740525-A (GB)
Title: Improvements in or relating to ventilation equipment
IPC: F24F7/06
Filed: 1953-12-09
Abstract: 740,525. Ventilators. FITT, T. C. Dec. 9, 1954 [Dec. 9, 1953], No. 34208/53. Class 137. Equipment for ventilating large spaces, e.g. the interiors of factories, comprises a blower 10 driven by a motor 11 and having a discharge duct 12 communicating with the lower ends of vertical conduits 15, 16, discharge openings 17, 18 being formed in one wall of the conduit 15 and in three walls of the conduit 16. Diffusers 19, 22, provided in the openings 17, 18 respectively, comprise nested diverging plates, each set being interconnected by webs 21. A damping device comprises four plates 23 which are mounted on spindles 24 and extend completely across each conduit, each plate carrying a threaded stud which extends through a corresponding arcuate slot in the corresponding side of the conduit to receive an adjusting nut adapted to be tightened against the outer face of the conduit. Specifications 614,511, 614,512 and 633,591 are referred to.
Patent GB-180710-A (GB)
Title: A new or improved water heating apparatus for providing a regular supply of hot water at some predetermined and approximately constant temperature below boiling point
IPC: F24H1/18
Filed: 1920-12-03
Abstract: 180,710. Bastian, C. O., and Haward, T. G. Dec. 3, 1920. Heating water.-A boiler for providing a supply of hot water at constant temperature below boiling-point consists of a water-containing vessel A heated continuously by a burner H and having a sheet M of non-corrodible metal, such as nickel chromium alloy, fixed in, upon, or just below its copper bottom L in the region of the flame, and means such as a ball cock D for allowing water to flow slowly into the vessel at a fixed predetermined rate. The size of the flame is so fixed that the temperature of the water can never rise above, say 150‹ F. Water flows in at such a rate that the vessel is filled in about 20 hours. Specification 152,721 is referred to.
Patent GB-853158-A (GB)
Title: Improvements in pneumatic tube conveying systems
IPC: B65G51/34
Filed: 1958-10-27
Abstract: 853,158. Pneumatic despatch apparatus. TONNE, F. Oct. 27, 1958 [Oct. 25, 1957; April 15, 1958], No. 34248/58. Class 78 (1). A pneumatic tube conveying system 1, Fig. 1, for message-carrying containers operates by suction or pressure and has a number of delivery stations A, B, C &c., at each of which is provided an opening 4 in the top or side of the tube and means for ejecting a container. The reversal of the flow of air from the blower 6 is obtained by mounting it between the partitions of a casing 39 having a connection 37 to station A and an opening 38 to atmosphere and providing pairs of valves 44, 48 and 45, 49 coupled to each other by a member 51 and closing apertures in the partitions. The blower receives air through the chamber 41 and ejects it through the chamber 52. The member 51 is actuated by an electrical control device from any station. The ejector 10, Figs. 5, 5a, comprises a curved member 101 which can be raised by an electromagnetic device 11, energized from any sending station, into the position shown in Fig. 5a to eject a container through the opening 4. The member 10<SP>1</SP> is connected by a link 121 to a pivoted closure 12 for the opening.