baber/WOPTO huggingface dataset:
Patent GB-1098955-A (GB)
Title: Improvements relating to d.c. motor control circuits
Inventor: HOOPER SAMUEL BRIAN DAVID
IPC: H02P7/29
Filed: 1965-09-08
Abstract: 1,098,955. Control of D.C. motors. WESTINGHOUSE BRAKE & SIGNAL CO. Ltd. Aug. 31, 1966 [Sept. 8, 1965], No. 38355/65. Heading H2J. The armature 3 and series field 2 (if any) of a motor is supplied, e.g. from a battery 1, through a thyristor SCR1 operated with variable on/off time and commutated by a capacitor 4 when a second thyristor SCR2 is triggered, the second thyristor being in series with a shunt field winding 5 so that as the average voltage applied to the armature increases that applied to the shunt field decreases. Freewheeling diodes 6, 7 are provided and, optionally, a diode 8 for regenerative braking. The diode 8 circuit may include a switch, or it may be replaced by a further thyristor.
Patent GB-1303207-A (GB)
IPC: H02H7/20
Filed: 1971-08-16
Abstract: 1303207 Protective arrangements BROWN BOVERI & CO Ltd 16 Aug 1971 [18 Aug 1970] 38355/71 Heading H2K [Also in Division H3] Electron tube protective apparatus comprises a common controllable switch 2 which can be triggered to shunt a plurality of energy stores, e.g. capacitors 7, 8, which are connected with one or more electron tubes (not shown), respective diode means 10 ... 12 connected between the switch 2 and the stores 7, 8 for decoupling the stores, and control means 3 ... 5 for triggering the switch 2 to protect the tube or tubes from the discharge currents of the stores 7, 8 in the event of flashover in a tube. The controllable switch 2 may be an ignitron 4, as shown, or a controllable semi-conductor or spark gap, the switch being triggered by the device 3 in response to the discharge currents or to the rate of change in the discharge currents through current transformers 4, 5. The device 3 may also briefly disconnect the supply 1. The energy stores may be the filter capacitor 6, modulating capacitor 7 and other components, e.g. chokes and transformers, in a high frequency transmitter or generator.
Patent GB-816423-A (GB)
Title: Improvements in or relating to container filling apparatus
IPC: B65B57/20
Filed: 1956-12-17
Abstract: 816,423. Operating clutches. BATCHELDER, J. W. Dec. 17, 1956, No. 38398/56. Class 80 (2). [Also in Groups XVII, XIX and XXX] A packaging - machine (see Group XVII) has a clutch connecting a constantly-driven sprocket to a box feeding plunger, the clutch disengaging itself after one revolution of a cam on the sprocket shaft. In one embodiment, the sprocket 78, Figs. 3, 6, rotates on a shaft 151 and has radial grooves 166 in which a pawl 167 carried by a driven member 163 may engage to establish the drive. The pawl carries a lug 173, Fig. 7, which, after one rotation of the driven member, is engaged by a wedge portion 175a on the end of a pivoted arm 175. The pawl is thereby raised from the groove 166 to disconnect the drive. A signal initiated by a packaging process actuates a solenoid 177, Figs. 5, 6, to pull the arm 175 clear of the pawl, permitting a spring 171 to force it again into a groove 166. A flat 169a on a cam 169 rotating with the driven member, operates a microswitch 182 to release the arm 175 in readiness to re-engage the pawl. In another embodiment (Figs. 9, 10) the sprocket 78a is fast on a shaft 151a, the upper end of which has a splined connection with a ferromagnetic disc 254. The plunger operating cam 150 it is desired to drive has secured to it an armature 251 surrounded by a stationary coil 257. When the coil is energized, the disc 254 is pulled against a friction surface 261 on the armature 251 to establish the drive. The driven cam carries a pin 266 which after one revolution operates a microswitch 182a to de-energize the coil and disconnect the drive. At the substantially same time the cam follower 149 enters a notch 150b in the cam 150 to locate the driven member in readiness for the next revolution. Specification 816,424, [Group. XVII], is referred to.
Patent GB-1525247-A (GB)
Title: Integrated complementary vertical transistors and method
IPC: H01L21/331
Filed: 1975-09-19
Abstract: 1525247 Integrated circuits WESTERN ELECTRIC CO Inc 19 Sept 1975 [19 Sept 1974] 38498/75 Heading H1K Complementary bipolar transistors of similar characteristics are provided in a semiconductor body comprising a moderately-doped n-type epitaxial layer 13 on a lightly-doped p-type substrate 12. The pnp transistor 10 comprises a lightly phosphorus-doped n-type buried isolation region 14 preferably formed by diffusion of ion-implanted phosphorus atoms, a heavilydoped (preferably with boron) P<SP>+</SP> type buried collector region 15 within the isolation region 14, a part 24 of the epitaxial layer 13 overlying the region 15 and converted to p-type conductivity, e.g. by boron or aluminium ion implantation, an n-type base region 16 and a p-type emitter region 17, preferably phosphorus implanted and boron diffused respectively. Highly doped contact regions 19, 18, 20 may also be provided. The npn transistor 11 comprises a heavily arsenic or antimony doped n<SP>+</SP> type buried collector region 30, either diffused or implanted, a heavily doped p<SP>+</SP>-type buried isolation region 31 laterally surrounding the region 30, a p-type base region 32 within the epitaxial layer 13 above the region 30 and an n-type emitter region 33 within the region 32. Once again heavily-doped contact regions 37, 34, 35 may be provided. The invention requires the regions 14, 30 and 15/31 to be formed in that order, and preferably the regions 16, 32, 17 and 33 are subsequently formed in that order. The various heat treatments preferably occur at successively lower temperatures in order that the first-formed regions are not disrupted during the later heating steps.
Patent GB-1202374-A (GB)
Title: Coaxial connector
Inventor: GARTZKE DONALD G
IPC: H01R9/05
Filed: 1967-08-22
Abstract: 1,202,374. Coaxial connectors. BUNKER RAMO CORP. 22 Aug., 1967 [22 Aug., 1966], No. 38595/67. Heading H2E. A coaxial connector 20 comprises a conductive shell 24 having a rearwardly extending integral sleeve 28 which, in use, is disposed between the inner insulation 14 and the outer conductor 16 of a coaxial cable 10, the conductor 16 being clamped to the circumferentially grooved sleeve 28 by a split-ring 36 to which inwardly-directed radial pressure is applied by means of a wedge-section cam-ring 40. An outer sleeve 32, joined to shell 24 by threading, brazing, welding &c., is internally threaded at its remote end 34 to receive an externally threaded clamping nut 44 which is screwed in to force earn-ring 40 over split-ring 36. A sealing gasket 46 provides a waterproof seal. The inner cable conductor 12 is connected by conventional means to inner connector contact 18 which is held in shell 24 by a resilient insulating member 22. Fig. 4 (not shown) depicts a connector (not within the scope of the invention claimed) in which split-ring 36 is replaced by a deformable ferrule (54) which is crimped on to conductor 16 and sleeve 28, a soft sealing sleeve (56) providing a waterproof seal.
Patent GB-1531109-A (GB)
Title: Lubricating oil sump for internal combustion engines
IPC: F01P11/08
Filed: 1977-09-16
Abstract: 1531109 IC engine oil sumps FIAT SPA 16 Sept 1977 [13 Oct 1976] 38774/77 Heading F1B [Also in Division F2] A lubricating oil sump for an I.C. engine has a double-walled bottom and sides forming conduits through which engine coolant circulates to cool the engine oil. Partitions 26 extend part-way across the bottom from each side to define a sinuous flowpath for the coolant. Rows of fins 32 project upwardly into the oil space to improve heat transfer. A plate 38 covers the fins except at the ends, where there are oil entry openings 44 and oil is withdrawn through two holes by pump 52.
Patent GB-1057678-A (GB)
Title: Process for preparing alkali metal chromate solutions
IPC: C01G37/14
Filed: 1963-10-02
Abstract: Alkali metal chromate solutions are obtained by alkaline roasting of chromium ores, the roasted products being leached directly with an acidic solution until the pH of the alkali metal chromate solution is from 4 to 9.  The acidic solution may comprise sulphuric acid or an alkali metal dichromate solution; nitric acid is also mentioned.  The acidic solution may already contain reaction products of the leaching process, and preferably has a pH of from 2 to 4.  The residues may contain iron and aluminium hydroxides.  The aluminium may be extracted by acids or bases.
Patent GB-803879-A (GB)
Title: Method of impregnation of positive plates by thermal decomposition of aqueous nickel nitrate
Inventor: BOURGAULT PIERRE LOUIS
IPC: H01M4/28
Filed: 1956-12-21
Abstract: 803,879. Batteries. MINISTER OF NATIONAL DEFENCE OF HER MAJESTY'S CANADIAN GOVERNMENT. Dec. 21, 1956, No. 39007/56. Drawings to Specification. Class 53. A positive plate for an alkaline storage battery is prepared by immersing a porous sintered nickel plaque in a molten bath of Ni(NO 3 ) 2 .6H 2 O, roasting the plaque at 180- 250‹ C. for at least 10 minutes to decompose the nickel nitrate into a product intermediate nickel nitrate and nickel hydroxide, immersing the roasted plaque in a concentrated caustic solution to convert the intermediate product to nickel hydroxide and washing and drying the plaque. The molten bath of Ni(NO 3 ) 2 .6H 2 O may be held at 85-115‹C. and the plaque immersed for 2 hours at atmospheric pressure or the bath may be held at 85-125‹ C. and the plaque immersed for 4 minutes at reduced pressure and 6 minutes at atmospheric pressure. The roasting time varies according to the roasting temperature used, suitable times being: 200‹ C-18 hours, 220‹ C.-1 hour; 240‹ C.- 10 minutes. The caustic solution is preferably potassium hydroxide of 1.24-1.38 S.G. at a temperature of 75-85‹ C. The above procedure may be repeated to double-impregnate the plaque with nickel hydroxide.
Patent GB-1075389-A (GB)
Title: Improvements in or relating to card game apparatus
IPC: A63F9/18
Filed: 1965-09-15
Abstract: 1,075,389. Board games. M. 1. GLASS, [trading as MARVIN GLASS & ASSOCIATES], Sept. 15, 1965 [March 8, 1965], No. 39360/65. Heading A6H. Apparatus for playing a board game comprises a number of pairs of cards, the cards of each pair being superficially identical in appearance but having essentially imperceptible differences, and a housing having an opening into which the cards can be inserted, the housing being provided with means for detecting and indicating the difference between the cards of a pair. The cards represent articles, e.g. antiques and have a value, one card of each pair being genuine and the other a fake. A series of notches and lugs 94 is cut in the bottom edge of each card the notches and lugs being spaced differently for each card of a pair. Within the housing is a rocker element 66 fixed on a fulcrum pin and provided with lugs 62, 64 one of which is engaged by a lug 94 and the other of which locates in a notch. According to which of the lugs 62, 64 is engaged by lug 94 a pointer 88 on the rocker element indicates that the card is genuine or fake. A game board is also described and markers are moved round the board under the control of a spinner. Play money is issued to the players so that they may buy and swop cards.
Patent GB-1182868-A (GB)
Title: A Dummy Shuttle for a Loom.
IPC: D03J5/06
Filed: 1968-08-16
Abstract: 1,182,868. Dummy shuttles. RUTI MACHINERY WORKS Ltd. 16 Aug., 1968 [16 Aug., 1967], No. 39385/68. Heading DIE. A dummy shuttle comprises side walls 32, 33 connected at one part 34 and an insert comprising carriers 40, 41 with pile fabric linings 47, 48 and one or more projections 49, 50 engaging in openings in the side walls. The dummy shuttle is used in a travelling wave shedding loom in which measured amounts of weft are wound on to a flat blade from which they are removed by the shuttles. In a modification the projections may be formed as tabs 61 turned out of the carrier to be located in the hole or as shown in Fig. 10 the carriers may be formed of a single piece of metal bent to 'U' formation. The ends of the carriers may be joined together by resilient portions which hold them outwardly.
Patent GB-1048780-A (GB)
Title: Tanks for transporting liquids
IPC: B65D90/52
Filed: 1965-09-16
Abstract: 1,048,780. Fuel tanks. GENERAL MOTORS CORPORATION. Sept. 16, 1965 [Oct. 20, 1964], No. 39552/65. Heading B7H. A liquid fuel tank for a motor vehicle includes a flexible sheet 15 of polyethylene sponge which is attached to one side of the tank and floats on the surface of the fuel to minimize noise due to splashing. The sheet 15 is slightly smaller in length and breadth than the tank and one edge is trapped at both ends 19 between flanges 7<SP>1</SP> which are joined by soldering or welding to connect upper and lower pressings 1,2 forming the tank.
Patent GB-1181135-A (GB)
Title: Magnetic Recording Medium
Inventor: HARADA SHIGEHISA
IPC: G11B5/702
Filed: 1967-08-30
Abstract: 1,181,135. Magnetic structures. NIPPON COLUMBIA K.K. 30 Aug., 1967 [31 Aug., 1966], No. 39709/67. Heading H1H. A magnetic recording medium comprises a non-magnetic base coated with a powdered magnetic material dispersed in a polyurethane formed by reacting a mixture of a polyester resin having a reactive OH group and a polyurethane prepolymer having a reactive NCO group in the presence of 20-70% by wt. (with respect to the mixture) of a rubbery polymer, e.g. butadiene/styrene, butadiene/ acrylonitrile, or polychloroprene. The magnetic material may be y-Fe 2 O 3  which may be dispersed in a solvent, e.g. MEK + toluol (1 : 1); a solution of the rubber and the polyester is then added and mixed, and finally a solution of the prepolymer is added, e.g. in ethyl acetate; the mixture may then be coated on to a polyethylene terephthalate film and dried at 80- 100‹ C. Other additives in the dispersion may be soyabean or egg lecithin, Pb stearate, and carbon black.
Patent GB-930773-A (GB)
Title: Process for making aliphatic nitriles
IPC: B01J27/18
Filed: 1961-11-07
Abstract: Copper phosphate catalysts, for the production of nitriles from olefins, are prepared by mulling the copper salt with silica hydrogel and 500 ml. of water for about 16 hours.  The gel mixture is then dried at 80 DEG C. for 16 to 90 hours, and may then be heated to 530 DEG C. for 16 hours.  Specified phosphates include cupric pyrophosphate, copper tripolyphosphate, CuHPO4, Cu3(PO4)2, Cu3 (PO3)6.  A small amount of phosphoric acid may be added to the mixture prior to mulling.  A metal oxide, e.g. nickel oxide, may also be added.ALSO:Unsaturated lower molecular weight aliphatic nitriles are prepared by contacting a C3 or C4 mono-olefin with ammonia and oxygen, in the vapour phase at 250 to 550 DEG C. and in the presence of a phosphate of copper as catalyst.  A mixture of C3 and C4 mono olefins may be reacted with ammonia and oxygen at 250 to 550 DEG C. under atmosphoric pressure for up to 15 secs. in the presence of a copper phosphate catalyst, the molar ratio of oxygen and ammonia to olefin being 0.3 to 5:1 and 0.1 to 5:1.  The catalyst may be copper pyrophosphate supported on silica, or copper tripolyphosphate. Phosphoric acid may also be added to the catalyst.
Patent GB-342094-A (GB)
Title: Improvements in or relating to fastenings for doors and the like
IPC: E05C19/10
Filed: 1929-12-31
Abstract: 342,094. Displaying padlocks &c. PINSON, F. W., (trading as PINSON & CO., E.), Dale Works, Dimminsdale, Willenhall, Staffordshire. Dec. 31, 1929, No. 39828. [Class 3 (ii).] A hook a with screw eyes b, c and padlock d are mounted for sale on a card by a rubber band g passing through holes f<2> which act as a templet for fixing the screw-eyes. Reference has been directed by the Comptroller to Specifications 233,725, [Class 3 (i), Advertising and displaying apparatus, Moving &c.], and 299,607, [Class 44, Fastenings, Lock &c.].
Patent GB-873442-A (GB)
Title: Improvements in or relating to equipment for laying railway tracks
Inventor: INGLE HENRY
IPC: E01B29/02
Filed: 1958-12-11
Abstract: 873,442. Cranes for laying rail tracks. BOOT & SONS (RAILWAY ENGINEERING) Ltd., HENRY. March 9, 1960 [Dec. 11, 1958], No. 39929/58. Classes 78 (4) and 104 (2). [Also in Group XXXII] A rail vehicle 1 for laying rail tracks 24 has at each end a beam 11 which supports a lifting- block 15, the power for the lifting and lowering devices and for propelling the vehicle being provided by a motor on the vehicle and the separate controls for each of these functions being grouped so as to be operable by one operator. Each lifting cable 16 is wound on a drum 19 by an electric motor. Lifting-blocks have brackets 22 which fit over rails 23, the rails being retained by manually-operable latches 25. Brackets 26 supporting pulleys 18 are adjustable in steps along the beams 11 between the extreme positions shown. Rotary limit switches 48 prevent either end of the track being lifted too high. Caution and stop warning lights and audible warnings are operated by switches 49 having pulleys 50 bearing against cables 16. The beams may be dismantled or swung inboard for transport.
Patent GB-876177-A (GB)
Title: An assembly of panels for closing shipholds, railway cars and the like
IPC: E05F15/10
Filed: 1957-12-24
Abstract: 876,177. Railway wagon covers. INTERNATIONAL MACGREGOR ORGANIZATION. Dec. 24, 1957 [Jan. 7, 1957], No. 40128/57. Class 103(4). [Also in Groups XXV and XXXIII] Hatchway covering panels 3, 4 are stowed to one side or spread over the opening by being pushed or pulled into position by a separate, self propelled panel 13 which rolls or slides along the edges of the hatchway. The panels 3, 4 are arranged in two groups at opposite ends of the opening and are each provided with bearing rollers 5 and tilting rollers 6 which, when the panels are moved towards their stowed position, co-operate with a cam face 8 and a ramp 7 respectively to stack the panels in a tilted position. The panels of each set are joined by cables or chains 10. The self propelled panel 13 has two pairs of bearing rollers 14, 15 and carries an electric or other motor 16 which drives, through gears and shafts, the horizontally disposed pinions 30 which mesh with racks 11 secured to the hatch coaming. The arrangement of horizontal pinion and complementary rack permits the panels to be raised to a small degree to open the sealing joints before stowing the panels. To open the hatchway the panel 13 pushes against the nearest panel of each group in turn; to close it the panel 13 is coupled to the nearest panel to pull the group across the hatchway. Two self propelled panels may be provided, one for each set of panels 3, 4. Specification 860,077 is referred to.
Patent GB-973341-A (GB)
Title: A light responsive component, a photoelectric light measurement device incorporatingthe same and a process for the manufacture of such a light responsive component
IPC: G01J1/42
Filed: 1960-11-22
Abstract: 973, 341. Photo-electric photometers. AGFA A.G. Nov. 22,1960 [Nov. 25, 1959], No. 40182/60. Heading G1A. [Also in Division H1] A photometer comprises a photovoltaic cell and a photoresistor located on a common electrically conducting base plate for exposure to illumination, and so connected electrically that variation in illumination causes variation in the resistance of the photoresistor to vary the effective loading of the photovoltaic cell. The photovoltaic cell 6, Fig. 3, is shunted by a photoresistor 7 and fixed resistors 10,11 to produce a deflection on a galvanometer 8 which varies as the logarithm of the illumination on the elements 6 and 7. In a simpler embodiment, Fig. 2, (not shown) resistors 10 and 11 are omitted. The photometer may be incorporated in a photographic camera or an exposure meter. The components indicated by the chain line 25 may be formed as an integrated circuit (see Division H1).
Patent GB-1155436-A (GB)
Title: Improvements in Magnetic Film Memories
IPC: G11C8/00
Filed: 1966-09-09
Abstract: 1,155,436. Magnetic data storage. INTERNATIONAL BUSINESS MACHINES CORP. 9 Sept., 1966 [13 Sept., 1965], No. 40360/66. Heading H3B. In a magnetic thin film memory element of the dispersion locked mode type, in which the two remanent states are along the easy axis and along the hard axis, each bit pulse supplied to a conductor extending parallel to the hard axis of the element is associated with a further pulse of opposite polarity to the bit pulse. A " 0 " is stored in film 11 by pulsing word conductor 15 alone so that the magnetization vector is aligned along the hard axis and remains there after termination of the word pulse, due to dispersion locking. To store a " 1 " a pulse is supplied to bit line 18 to terminate after termination of a simultaneous word pulse, so that the magnetization vector is aligned with the easy axis. To prevent the bit pulse disturbing a " 0 " stored in a film 17 the pulse is followed by a pulse of opposite polarity. Information is read by a pulse on the word line, and the word read pulse may be extended to cover both the reading and writing periods. Information read out may be rewritten by a regeneration loop from data register 20.
Patent GB-1410909-A (GB)
Title: Pharmaceutical compositions
IPC: A61K9/20
Filed: 1971-10-26
Abstract: 1410909 Paracetamol preparations STERLING WINTHROP GROUP LTD 24 Jan 1973 [26 Oct 1971] 40428/71 Heading A5B A paracetamol composition suitable for compressing into tablets is prepared by (a) providing an aqueous solution containing paracetamol and 1-15% (based on the weight of paracetamol) of a homo- or copolymer of vinyl acetate or vinyl pyrrolidone at at least 95‹C, (b) immediately cooling it with gentle stirring and (c) recovering the solid therefrom. The solution may contain alcohol and sodium dithionate. It may be stirred manually or with a paddle stirrer. The solid product may be filtered off or centrifuged. The product may be mixed with starch and magnesium stearate for tabletting.
Patent GB-1040566-A (GB)
Title: Improvements in mineral mining machines
Inventor: SHUTTLEWORTH PETER
IPC: E21D9/10
Filed: 1961-11-14
Abstract: 1,040,566. Mineral-mining machines. COAL INDUSTRY (PATENTS) Ltd. Nov. 9, 1962 [Nov. 14, 1961], No. 40684/61. Heading E1F. On the self-advancing body of a mining machine is so pivotally mounted an arm that it can be swung in a plane parallel to a face of mineral to be cut and the arm carries one or more driven rotary cutters that rotate about an axis or axes parallel to the pivotal axis of the arm and on each cutter is mounted one row only of picks, which extend forwardly of the cutters to remove a shallow cut of mineral from the face as the arm is swung parallel to the face.
Patent GB-1062447-A (GB)
Title: Improvements in or relating to oil-filled cables
Inventor: BASKWELL JOHN ALFRED
IPC: H01B13/30
Filed: 1964-06-24
Abstract: 1,062,447. Impregnating and sheathing cables. PIRELLI GENERAL CABLE WORKS Ltd. Sept. 24, 1965 [June 24, 1964], No. 40724/65. Divided out of 1,062,444. Heading H1A. Fig. 2 shows a plug for connecting an oilfilled cable to be impregnated or sheathed with a hauling hawser. The cable is held in recess 25 by grub screws 27 and the hawser in similar manner in recess 24. An axial hole 26 allows for the various steps in the impregnating process and can be closed by a cap 30 or connected as appropriate to oil or vacuum supplies. In an alternative arrangement (Figs. 3a, 3b, not shown) the plug is made in two parts fitting axially one within the other.