baber/WOPTO huggingface dataset:
Patent GB-1243182-A (GB)
Title: Detection of contaminant in a fluid stream
Inventor: FRYER KEVIN CHAMBERLAIN
IPC: G01P13/00
Filed: 1967-09-29
Abstract: 1,243,182. Valves. VOKES Ltd. 30 July, 1968 [29 Sept., 1967], No. 44541/67. Heading F2V. [Also in Divisions B1-B2] Fuel leaves a filter housing 2 (Fig. 1, not shown) through passages 10, 12, 13 and a restricted outlet 18, the pressure of fuel urging a spring-loaded plunger 14 rightwards where it is held by the pressure developed across the outlet, a magnet 22 carried by the plunger actuating a reed switch 24, when the pressure drop falls sufficiently, to operate an alarm or shut off the fuel flow. The plunger may be replaced by an annular bellows, outlet 18 being formed in the plate closing one end thereof (Fig. 3, not shown) and flow being in either direction, the bellows being biased by a separate spring or its own resilience. Or a weighted or spring-loaded pivoted plate replaces the plunger. Filter element (6) in the housing 2 comprises a stack of annular, paper discs, adapted for radially inward flow, and absorbs water from the fuel until it swells sufficiently to restrict flow. One end of the element carries an outlet extension (11) which engages spring- loaded valve (26). If the element is left out or inserted the wrong way round, valve (26) closes passage 10.
Patent GB-1557286-A (GB)
Title: Speech recognition
IPC: G10L15/00
Filed: 1976-10-27
Abstract: A continuous speech recognition system comprises a word number specifier for specifying, as the number of continuously spoken word or words, either a single integer or a set of different integers. The single integer may be manually or automatically adjusted. In compliance with the specified word number or numbers, the system carries out pattern matching between an input pattern representative of the spoken word or words and a predetermined number of reference patterns. The matching may be carried into effect by dynamic programming. The input pattern is recognized to be one of the reference patterns or to be a concatenation of some or all of the reference patterns, equal in number either to the single integer or to one of the different integers.
Patent GB-1019960-A (GB)
Title: Optically active cation exchange resins
IPC: C08F8/12
Filed: 1963-11-12
Abstract: An optically active cation exchanger is produced by polymerizing a monomeric, polymerizable acrylic acid derivative of an optically active aminodicarboxylic acid diester in the presence of a cross-linking agent and a peroxide catalyst and saponifying the resultant polymer to produce the corresponding free acid.  Acrylic acid derivatives used are N-acrylyl-L-glutamic acid di-n-propyl ester, the corresponding di-i-propyl ester, and N-acrylyl-L-aspartic acid di-i-propyl ester.  The cross-linking agent is divinyl benzene and the peroxide used is dibenzoyl peroxide; potassium persulphate is also specified.  The polymerization is effected in aqueous emulsion using ionic or non-ionic detergents as distributing agents.  The agents exemplified are polyethyleneoxide and magnesium silicate; isopropyl naphthalenesulphonic acid is also specified.  Premature clotting may be prevented by adding diisopropyl ether.  The polymer forms as beads.  The polymerization is terminated with methanol, the product washed with further methanol and then saponified with an hydrochloric acid/acetic acid mixture to give the optically active cation exchange resin.
Patent GB-930014-A (GB)
Title: Lighting fixture
IPC: F21V23/02
Filed: 1960-12-29
Abstract: 930,014. Laminates. SYLVANIA ELECTRIC PRODUCTS Inc. Dec. 29, 1960 [Jan. 29, 1960], No. 46653/60. Class 140. [Also in Groups XI and XXV] In a lighting fixture for outdoor installation, the reflector 4 is made from a flexible sheet of lightreflecting material supported by the inside surface of the fixture. The reflector may consist of a transparent film of polyester on which a reflecting coating of aluminium is deposited, the whole being bonded to a resilient laminate of plastic, aluminium, sheet steel, paper, &c., the reflecting coating lying between the base laminate and the transparent film. Specifications 866,466 and 909,621 are referred to.
Patent GB-1149469-A (GB)
Title: Fastener for use with a powder-operated fastener-driving tool
IPC: F16B19/14
Filed: 1967-10-02
Abstract: 1,149,469. Fasteners. HILTI A.G. 2 Oct., 1967 [24 Oct., 1966], No. 44669/67. Heading F2H. A fastener for use with a power-operated fastener driving tool having a plunger 5 for driving in the fastener, comprises a plastic sheath 2 surrounding at least a central region of the shank of the fastener so as to lessen the danger of buckling, the sheath being formed from a toughened elastic plastics material. An annular guide element 3 is provided at the end of the sheath adjacent the fastener tip whose external diameter is greater than the external diameter of the sheath. The sheath may be recessed as at 10 to aid the compression of the sheath as the fastener is driven in to the receiving material.
Patent GB-1514277-A (GB)
Title: Oriented containers
IPC: B29C65/00
Filed: 1975-10-29
Abstract: 1514277 Injection blow moulding STANDARD OIL CO 29 Oct 1975 [31 Oct 1974] 44734/75 Heading B5A An oriented polyethylene terephthalate container is made by injecting a parison on a core in a first mould chamber, cooling the parison to form a dimensionally stable skin on it, transferring the parison on the core to a second mould chamber slightly bigger than the parison, blowing the parison into conformity with the second mould chamber at pressures above 10 psig and at a core temperature of no more than 265 F. (preferably 100-200 F.), transferring the partially blown parison still on the core to a third mould chamber and blowing it to its final shape at molecular orientation temperatures. It is preferred for the gap between the parison and the chamber wall of the second mould chamber to be 2À5% to 150% of the distance across the parison from outer surface to outer surface and it is preferred for the gap between the partially blown parison and the wall of the third mould chamber to be at least 50% of the distance across the partially blown parison from outer surface to outer surface. The temperature of the first mould adjacent the closed tip of the parison is advantageously lower than that of the rest of the mould, and the temperature of the second mould is higher than the tip defining portion of the first mould. During blowing in the third mould chamber the core may be extended axially to produce longitudinal orientation.
Patent GB-1448742-A (GB)
Title: Optical communications systems
IPC: G02B6/38
Filed: 1973-09-25
Abstract: 1448742 Light guides POST OFFICE 30 Aug 1974 [25 Sept 1973] 44969/73 Addition to 1448743 Heading G2J A three-part coupler for light guides comprises a socket 50 and two plugs 10 engageable therewith. Each plug comprises a body 6 rigidly fixed to a light guide 9, and a slidable member 4 rigidly fixed to a guide-member 2 into a bore in which the guide 9 at least partially extends. The socket comprises a guide-member 3 suitably bored to receive opposed ends of two light guides (8), 9 when the plugs engage the socket, see Fig. 2 (not shown). In a modification, Figs. 3 to 8 (not shown), a plurality of light guides are coupled by providing the plugs (21) and socket (22) with a plurality of aligned passages (19) in their body members (16 .. 18). The members 1 .. 3 are arranged similarly to the Fig. 1 embodiment, the parts 4, 6 being in effect combined in the member (16) and the member 1 sliding in the passages (19) therein.
Patent GB-1163308-A (GB)
Title: Methods of and apparatus for making Insulated Electric Conductors
Inventor: FERRARI ARMANDO GENE
IPC: H01B13/06
Filed: 1966-10-10
Abstract: 1,163,308. Insulating conductors by extrusion. WESTERN ELECTRIC CO. Inc. 10 Oct., 1966 [11 Oct., 1965], No. 45085/66. Heading B5A. [Also in Division H1] An insulating tube is extruded around a conductor and after inflation helically bound with a filament which forces the engaged portions of the tube into contact with the conductor. As shown, the central conductor 16 of a coaxial cable has a polyethylene tube 20 extruded around it by an extruder 11 heated by coils not shown. Pressurized gas enters at 22 and inflates the tube which is still in the plastic state to the internal diameter of a cylinder 31. A rotating assembly 41 winds a filament of nylon (or copper if it is to be subsequently removed) around the tube to form it into a spiral spacer fin. The tube passes to a cylinder 32 in which it is cooled by an inert refrigerated gas entering at 66. The speed of rotation of the assembly and thus the lay of the filament is automatically adjusted to keep the capacitance of the cable constant. An outer conductor which may be corrugated or embossed, a sheath comprising alternate layers of rubber and aluminium and a polyethylene jacket are subsequently applied in known manner. In a modification, the cylinder 31 rotates with the assembly and the filament passes through an aperture in the cylinder.
Patent GB-1198981-A (GB)
Title: Improvements in or relating to the Prefabrication of Buildings
Inventor: BULPIN NORMAN VICTOR
IPC: E04D3/40
Filed: 1966-04-26
Abstract: 1,198,981. Building panels, roofs. N. V. BULPIN. 26 July, 1967 [26 April, 1966], No. 45285/65. Headings E1B, E1A and E1W. A prefabricated building panel 10 comprises a number of interfitting metal or reinforced plastics U-sections members 11, 12, 13, 14, welded together at 27, filling material 28 which may be gypsum waste, cardboard or expanded polystyrene, and metal perimeter channels 29 attached by welding. The channels of adjacent panels which are welded together may have outwardly extending flanges which receive a sealing strip. Channels 29 may be provided along the top and bottom edges to form a complete frame for the panel. The panels may have an aperture for a window or a chimney. In roofs .pairs of panels are pivoted to opposite sides of a ridge beam and their upper edges covered by a sealing strip, the lower edges being adapted for connection to the top of a wall.
Patent GB-1363419-A (GB)
Title: Powder production
IPC: C11D1/44
Filed: 1970-09-23
Abstract: 1363419 Spray-drying detergents. UNILEVER Ltd 22 Sept 1971 [23 Sept 1970] 45295/70 Heading BIB [Also in Division C5] Detergent powder is produced by spraying an aqueous slurry of the detergent through nozzle(s) 2 into a tower 1 through which is flowing inert gas comprising a mixture of fresh inert gas and a recirculated portion of the wet inert gas withdrawn from the tower, the temperature of the inert gas in inlet pipe 6 being in the range 200‹-500‹C., and the temperature of the wet gas in outlet pipe 7 being about 105‹ to 115‹C. The dried powder is removed from the bottom of the tower through pipe 5. The wet gas withdrawn from the tower through pipe 7 flows through cyclone-separator 9 and fan 10; some of the gas is then discharged through pipe 11 and the remainder is passed through pipe 8 to furnace 13. Oil or combustible gas is burned with air in chamber 18 of furnace 13, and the hot combustion gases mix with recirculated wet gas in pipe 6. An example relates to the drying of an aqueous dispersion containing about 50% of sodium dodecyl benzene sulphonate. About 70% of the gas is recycled. It is stated that a dry powder is produced which could not be made under conventional conditions because of the fire and explosion hazard which would be entailed.
Patent GB-1273367-A (GB)
Title: Polyester
IPC: C08L67/00
Filed: 1969-09-16
Abstract: 1,273,367. Preparing microcrystalline polyesters. FMC CORP. 16 Sept., 1969 [17 Sept., 1968], No. 45484/69. Heading C3R. Finely divided microcrystalline polyesters (e.g. polyethylene terephthalate or bisphenol A polycarbonate) capable of forming a stable colloidal dispersion are obtained by hydrolysing the polyester in a liquid medium having a mild swelling action on the polyester (e.g. ethylacetate, ethylene glycol or water) and then mechanically disintegrating the hydrolysed polyester. The hydrolysing agent is preferably a base, such as sodium hydroxide, urea, ethylene diamine or n.propylamine. Prior to hydrolysis the crystallinity of the polyester may be increased by heating it under nitrogen or in dimethyl silicone. The polyester may be mixed with miorocrystalline starch, cellulose or nylon for use in the production of moulding powders.
Patent GB-1395581-A (GB)
Title: Powerassisted steering mechanism for motor vehicles
IPC: B62D5/24
Filed: 1972-10-05
Abstract: 1395581 Power assisted steering systems ZAHNRADFABRIK FRIEDRICHSHAFEN AG 5 Oct 1972 [7 Oct 1971] 46008/72 Heading B7H In a power assisted steering assembly comprising a piston mounted on a spindle 9 within a cylinder 1 and drivingly connected to a steering sector shaft 7, a control valve 12 for directing fluid to either side 16, 17 of the piston is supplied via a base 25 in the spindle 9 and a pipe 20 mounted in one end of the cylinder and extending through the piston, an oil tight seal 22, 23 which allows for relative radial movement being provided between the pipe and the piston. Pipe 20 connects with an inlet 18 in the cylinder via a base 19 in a closure plug 3 and is additionally sealed to the spindle by a seal 24. The control valve 12, and a valve for limiting the reactive "feel" forces are actuated by projections 14, 15 formed on a steering shaft 10.
Patent GB-1122328-A (GB)
Title: Method of producing catalytic material for fuel cell electrodes
IPC: H01M4/90
Filed: 1966-10-14
Abstract: Catalytic material for fuel cell electrodes and composed of Ni, Ag, Mo and Ni-P, is produced by reacting, in aqueous solution, a nickelous salt, a silver salt in a concentration not exceeding 0.55 moles Ag+ per mole Ni++, a molybdenum salt in which the Mo is in an oxidation state of +2 to +6 and in a quantity sufficient to provide 6-8.5% by weight Mo in the final material, a condensed Nicomplexing polyphosphate in a quantity sufficient to prevent precipitation of basic Ni salts, and an alkali metal hypophosphite in a quantity sufficient to reduce the nickelous ions to nickel; the pH of the solution being maintained at at least 10 by addition of hydroxyl ions. The result is a flocculent precipitate consisting, by weight, of .Ni.43.6-78.4% .Ag.6.75-25.4% .Mo.6-8.5% .P.0.6-2.24% .Impurities (e.g. O, N, H) - balance.. Specified reactants are nickel sulphate, silver sulphate, molybdenum trioxide, sodium pyro-phosphate and sodium hypophosphite.  Hydroxyl is preferably supplied by NH4OH or alkali metal hydroxide.  The solution may be heated to 52 DEG -82 DEG C. The material is formed to shape by sintering at below 850 DEG  C; or by mixing with P.T.F.E. and heating; or by making a matte with asbestos fibre.
Patent GB-1330315-A (GB)
Title: Pharmaceutical compositions
IPC: A61K31/70
Filed: 1970-09-29
Abstract: 1330315 Antibiotic compositions CHINOIN GYOGYSZER-ES VEGYESZETI TERMEKEK GYARA RT 29 Sept 1970 [30 Sept 1969] 46346/70 Heading ASB Antibiotic compositions having synergistic aotivity comprise the antibiotic primycin or a derivative thereof, at least one further antibiotic selected from neomycin; candicidin; tetracycline or a derivative thereof such as oxy-, chloro- and demethyl-tetracycline; a peptide antibiotic, e.g. viomycin; a desoxystreptamine antibiotic such as streptomycin, a penicillin, e.g semi-synthetic penicillins such as oxacillin, methicillin and ampicillin; and derivatives, particularly salts, thereof; and optionally inert, solid or liquid pharmaceutically suitable carriers and other additives. The compositions may be administered orally, parenterally or rectally in the form of tablets, pills, coated pills, suppositories, capsules, ointments and injectable solutions, suspensions or emulsions. The compositions may also contain prednisolone, 5,7-dichloro-8-hydroxyquinaldine and/or a sulphonamide.
Patent GB-1241505-A (GB)
Title: Fluorocarbamates
Inventor: ANELLO LOUIS GENE
IPC: G03D3/14
Filed: 1969-09-19
Abstract: 1,241,505. Rendering textiles oil and/or water repellent. ALLIED CHEMICAL CORP. 19 Sept., 1969 [8 Nov., 1968 (2)], No. 46415/ 69. Heading D1P. [Also in Division C2] Textiles, e.g. cotton, wool, and leather are rendered oil and/or water repellent by treatment with a compound of the formula where R<SP>1</SP> is a fluorine or chlorine atom or a perfluoroalkyl group or two of the R<SP>1</SP> groups together form a perfluoroalkylene group, not more than one of the R<SP>1</SP> groups attached to the same carbon atom being a chlorine atom, Z, X and X<SP>1</SP> each represent a hydrogen, fluorine or chlorine atom, not more than two of the Z groups and not more than two of the X and X<SP>1</SP> groups being chlorine atoms, L is a hydrogen atom, an isocyanate group of a group derived therefrom by reaction with a compound containing a reactive hydrogen atom e.g. a carbamic group or the group -NH. CONH SO 3 -Y<SP>+</SP> where Y is a quaternary ammonium group or an alkali metal atom, R<SP>2</SP> is the residue of a monoisocyanate when L is a hydrogen atom or the residue of a diisocyanate when L is an isocyanate group or a group derived therefrom, V is 1 or 2, m and n each is 0 or an integer from 1 to 75, m+n being 0 to 75, u is 0 or 1, n being at least 1 and the groups X<SP>1</SP> being hydrogen atoms when u is 0. In examples 1) cotton cloth, and wool are treated with a composition containing 2% of a solvent-soluble water repellant composed of paraffin waxes and combining agents and one of 2-isocyanato-4- (4-heptafluoroisopropoxy- 3,3,4,4-tetrafluorobutyl) toluene carbamate, I, bis[4-(heptafluoroisopropoxy)-3,3,4,4-tetrafluorobutyl] toluene-2, 4-dicarbamate, II, and 2-octadecyl 4-(4-heptafluoroisopropoxy-3,3,4,4-tetrafluorobutyl toluene-2,4-dicarbamate. (2) leather is treated with 2% solutions of compounds I and II.
Patent GB-981075-A (GB)
Title: Screw fasteners
IPC: H01R4/30
Filed: 1962-12-10
Abstract: 981,075. Securing screws against accidental loss; screw-socket eyelets. GENERAL AMERICAN TRANSPORTATION CORPORATION. Dec. 10, 1962 [Feb. 13, 1962], No. 46460/62. Heading F2H. [Also in Divisions B3 and H2] A self-threading screw, e.g. a terminal screw in a riveted eyelet 62 of an electrical terminal 60 (see Division H2), has a leading thread 20 of large pitch for forming an initial thread, e.g. in the eyelet 62, and a following thread 30 of small pitch for mutilating the initial thread so that the screw is then captive although movable between the limits of the finer thread 30. The screw may be cadmium-plated and has a recess 12a in its head underface for receiving a conductor wire.
Patent GB-1176308-A (GB)
Title: Infrared Emissive Laser
IPC: H01S3/223
Filed: 1968-10-01
Abstract: 1,176,308. Gas lasers. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 1 Oct., 1968 [4 Oct., 1967], No. 46579/68. Heading H1C. In a gaseous infra-red laser the active medium comprises a mixture of carbon dioxide, nitrogen, helium and hydrogen, the last gas being at a partial pressure of 0À2 Torr. The gaseous active medium is contained in a quartz tube closed at one end by a hollow ground quartz block coated with a gold layer and at the other end by a flat germanium plate to form an optical resonant cavity. The active medium is pumped by an electric discharge between two hollow platinum cylindrical electrodes. The partial pressures of the remaining gases may be 1 Torr C0 2 , 2À5  Torr N 2 , and 11 Torr Helium.
Patent GB-1084858-A (GB)
Title: Apparatus for dewatering elas tomeric material and for subsequently cutting the dewatered elastomeric material
Inventor: ZIES CARL WILLIAM
IPC: B29C48/76
Filed: 1964-11-16
Abstract: 1,084,858. Granulating by cutting. INTERNATIONAL BASIC ECONOMY CORPORATION. Nov. 16, 1964, No. 46668/64. Heading B5A. [Also in Divisions B1, F2 and F4] Dewatered elastomeric material is granulated by revolving blades 39 and stationary cutting blades 38 as the material issues through annular space 36 from the extrusion press comprising helical screws 26 and knife bars 27. The size of space 36 is adjustable by operating nut 31 to move choke 30 along the shaft. Blades 39 are attached by arms 40 to member 42 which is attached to sheave 44 for variable rotation about shaft 25 on rollers 51. The axial distance between blades 38 and 39 is adjustable by nuts 52 and 53 which determine the position of member 42 relative to shaft 25. The rotation of blades 39 is variably controlled by a motor (58) (Fig. 1, not shown) and granulated material is removed by a travelling band. In. the embodiment of Figs. 5, 6 and 7 (not shown) an outer bearing (80) supports the sheave (74) to which, the rotating blades (77) are attached.
Patent GB-1344891-A (GB)
Title: Graft copolymer
IPC: C08L7/00
Filed: 1971-10-08
Abstract: 1344891 Graft polymers and compositions thereof KUREHA KAGAKU KOGYO KK 8 Oct 1971 [8 Oct 1970] 46938/71 Heading C3G A graft polymer is produced by grafting 15 to 45 parts by weight of a mixture of styrene and methyl methacrylate having styrene as the principal constituent and subsequently 11 to 45 parts of methyl methacrylate on to 40 to 70 parts of polybutadiene or butadiene-styrene rubber in latex form, at least 50% by weight of the rubber particles having a size of at least 0-15 micron and less than 15% by weight of the particles having a size of 0À1 micron or less. The graft polymer is blended with vinyl chloride resin. In the example, divinyl benzene is used as cross-linking graft monomer.
Patent GB-1401467-A (GB)
Title: Conveyor system
IPC: B65G23/16
Filed: 1972-10-11
Abstract: 1401467 Conveyers G S BLAKESLEE & CO 11 Oct 1972 [22 Nov 1971] 46987/72 Heading B8A An endless conveyer comprises a series of article carriers 32 driven in a horizontal orbital path and interconnected at their inner ends by pivot pins 56 the carriers being driven by a chain of pushers 108 only one of which engages a pivot pin 56 at any given time. Each carrier comprises a U-shaped rod 46 the arms 34 of which support W-shaped article, e.g. dish, supports 40. The free ends of the arms 34 are interconnected by a strap 36 and carry rollers 42 which run on a track 20 formed on a supporting table 14. The bight of the U-shaped rod 46 is rotatably received in a sleeve 50 secured to one side of a strap 38 having an elongate slot 52 at one end and an aperture 54 at the other. Two adjacent straps 38 overlap and the pivot pin 56 is passed through the apertures 52, 54. The pin 56 carries a roller 58 which is engaged by the pushers 108, rollers 62, 64 which run on a vertical wall 16 of the table 14, and a U-shaped bracket 68 carrying a roller 70 which runs on a portion of the floor of the table 14. The pushers 108 are pivotally supported by an endless chain 104 trained round sprockets 102, 106, and carry rollers 116 which engage a cam 118 to pivot the pushers into or out of the position in which they engage the pivot pins 56. The sprocket 102 is carried by a shaft 100 carrying a sprocket 96 connected by a chain 98 to a sprocket 94 driven by a motor 82. A sprocket (126 Fig. 2) carried by a spring biased pivoted arm (128) engages the chain 98, the arm carrying a contact (132) which, when the chain 98 is taut due to jamming on the conveyer, closes a switch (130) to de-energize the motor 82. The closing of the switch (130) causes a time delay control to reverse the motor for a few seconds to facilitate clearing of the jam.
Patent GB-1482389-A (GB)
Title: Photographic wide angle lens system
IPC: G02B13/04
Filed: 1975-11-18
Abstract: 1482389 Wide-angle lenses ASAHI KOGAKU KOGYO KK 18 Nov 1975 [18 Nov 1974] 47383/75 Heading G2J A photographic wide-angle lens e.g. of aperture ratio 1:2À0 and angular field of 75 degrees comprises a negative meniscus L 1  convex to the object, a positive meniscus L2, another negative meniscus L3 convex to the object, a positive doublet consisting of a positive lens L4 and a negative lens Ls which are joined together, a negative lens L 6 , a positive lens L 7  and another positive lens L 8 . These conditions are satisfied:- (I) r 3  <0 (II) 0À6F < r 7  < 1À5F, r 7  > 0 (III) 0À18F < d 5  + d 6  < 0À33F (IV) F/0À8<|F 1,2,3,4,5,6 |<F/0À4, F 1,2,3,4,5,6 <0 (V) 0À27F<d 10 +d 11 +d 12 +d 13 +d 14 <0À45F where the symbols have their usual meanings. Numerical data are given for four examples.