baber/WOPTO huggingface dataset:
Patent GB-1510459-A (GB)
Title: Multi-cylinder spark ignition internal combustion engine having means to limit fuel supply to half the cylinder
IPC: F02M13/02
Filed: 1975-06-04
Abstract: 1510459 Fuel supply to some cylinders only; plural carburetters BRITISH LEYLAND UK Ltd 4 June 1975 [4 June 1974] 24795/74 Headings F1B and F1H A spark ignition I.C. engine has a first group of cylinders 11-13 and a second group of cylinders 14-16 fed by respective carburetters 18, 20 by way of manifolds 17, 19 between which is connected a pressure balancing duct 21 having an isolating valve B to allow or prevent the pressure to be balanced between the manifolds. A valve A is provided whereby fuel bowl 27 of carburetter 20 can be connected to a source of vacuum to prevent flow of fuel to the second group of cylinders. Alternatively the flow is limited to a low value by throttle valve 23 until the opening of throttle valve 22 corresponds to a vehicle speed of 60 m.p.h. In operation, for vehicle speeds up to 60 m.p.h. valve B is closed and valve A is open and the fuel supply to cylinders 11-13 increases as throttle valve 22 is opened, throttle valve 23 remaining closed or almost closed. Above 60 m.p.h., valve B opens, valve A closes and throttle valve 23 opens progressively so that there is an increasing fuel flow-rate to the cylinders 14-16. A ventilation line 26 connects the carburetters to the engine crank-case to recycle crank-case gases.
Patent GB-615054-A (GB)
Title: Improvements in and relating to automatic parachute release apparatus for use in aircraft
IPC: B64D17/38
Filed: 1946-08-20
Abstract: 615,054. Parachute release mechanism. REDWING, Ltd., and NUNN, G. W. Aug. 20, 1946, No. 24821. [Class 4] An automatic parachute release comprises a cylinder fitted with a piston, the piston-rod being connected to the rip cord and the cylinder communicating with a breech block in which a cartridge is fired by trigger mechanism controlled by a pressuresensitive device, the piston-rod being operated to pull the rip cord by gas admitted to the cylinder, the gas being either that produced by the explosion of the cartridge or a compressed gas released by means operated by the explosion of the cartridge. In the form shown in Fig. 1, the rip cord is engaged by a snap hook d on a piston-rod c, the piston b of which is operated to release the rip cord by the explosive gases from a cartridge h fired by a pin 28 when a trigger 32 is released by a bell-crank 8 operated by a barometric capsule 6, as described in Specification 580,592. The end of the cylinder a in which the piston works is provided with exhaust ports e and a cushion spring f. Instead of using the gases from the cartridge-for directly operating the piston, they may be arranged to puncture a container of compressed gas, Fig. 2 (not shown).
Patent GB-833378-A (GB)
Title: Mould compositions and method of making moulds therewith for casting group ivb metals
IPC: B22C1/20
Filed: 1957-08-07
Abstract: A foundry mould composition consists of granular graphite substantially free from volatile matter, and finely divided carbonizable cereal flour, such as pre-gelatinized corn flour or corn starch.  The graphite preferably has a particle size 89 (A.F.S. Standard Screen).  The graphite is first baked at 800 DEG  F. to remove volatiles, the 1-3.5% of binder added, and mulled to coat each graphite grain, and 12-25% water added and the mixture mulled.  After moulding, the green mould is dried to drive off the water, e.g. at room temperature for 24 hours or at 200 DEG  F. for 8 hours, and then baked at between 350-550 DEG  F. to carbonize the binder.
Patent GB-313433-A (GB)
Title: A process for the manufacture of lighter coloured products from earth-oil residues, asphalt and/or similar substances
IPC: C10C3/00
Filed: 1928-08-30
Abstract: 313,433. Naamlooze Vennootschap de Bataafsche, Petroleum Maatschappij, (formerly Bataafsche Petroleum Maatschappij). June 11, 1928, [Convention date]. Pitch.-Light coloured asphalt-like products are manufactured from petroleum residues, asphalts and similar substances containing asphaltenes by removing the asphaltenes by (1) treating the asphalt &c, with a precipitating agent such as gasoline, pentane and other light hydrocarbons poor in aromatic constituents in the presence or absence of a diluting agent such as benzine or kerosene, or (2) treating the asphalt &c. in the presence or absence of a diluting agent with a chemical re-agent such as sulphuric acid anhydrous ferric chloride, anhydrous stannic chloride, boron fluoride or aluminium chloride which converts the asphaltenes &c. into insoluble compounds, or (3) treating the asphalt &c. with a decolorizing powder, such as bleaching earths or carbon, in the presence or absence of a diluting agent. Two or three of these treatments may be applied in any order. Other dark coloured compounds may be removed by the treatment in addition to the asphaltenes proper. In an example, a Java asphalt is heated and diluted with 200 per cent of benzine; 2 per cent of sulphuric acid is added; the mass is allowed to settle and the acid tar and the enveloping substances removed; 3 per cent of bleaching earth (Terrana) is stirred in, and the mass filtered; finally the benzine is distilled off and the resulting light coloured asphalt is steam distilled to the required degree of penetration.
Patent GB-481737-A (GB)
Title: Improvements in or relating to gear change mechanism for bicycles and the like
IPC: B62M9/08
Filed: 1936-09-14
Abstract: 481,737. Change - speed driving- mechanism for cycles &c. MARTELLI, I. Sept. 14, 1936, No. 25038. Convention date, Sept. 12, 1935. [Class 136 (ii)] [Also in Group XXIV] In two-speed gears, for bicycles and like vehicles, of the chain type in which the gear changes automatically with the speed of the vehicle, a chain 21 engages simultaneously with two sprocket wheels 20, 22, one 20 carried on and connected by a disconnectible pawl 5 with a member 1 concentrically secured to the cycle hub &c. and the other 22 carried on and connected by a one-way ratchet clutch 35 with a member 15 eccentric to the hub and connected by an Oldham coupling 8, 10, 9, 10<1>, 18 to the member 1. A weight 25, Fig. 4, carried by a cycle spoke is controlled by an adjustable spring 26 and is connected by a rod 24 to the pawl 5 so that at high speed the sprocket 20 and member 1 are connected to give high gear, the sprocket 22 rotating idly at a lower speed. When the cycle speed falls, the pawl 5 disengages and the sprocket 22 takes up the drive. Rollers 21<1> are arranged in the grooves 101 of the Oldham coupling to minimize friction.
Patent GB-1016863-A (GB)
Title: Improvements in xerographic fixing apparatus
IPC: F04F7/00
Filed: 1962-06-29
Abstract: A roller in a xerographic fixing apparatus has a coating of an off-set preventing material, e.g. a tetrafluoroethylene resin, and is also supplied with an off-set preventing liquid, e.g. a silicone oil, from a roll which dips into a trough containing the liquid.
Patent GB-701584-A (GB)
Title: Process for the separation of gas mixtures with the aid of cold-accumulating materials
IPC: F25J3/02
Filed: 1950-10-13
Abstract: 701,584. Separating gases. GES. FUR LINDE'S EISMASCHINEN AKT.-GES. Oct. 13, 1950 [Oct. 14, 1949; Oct. 29, 1949], No. 25060/50. Class 8 (2). In a process for separating a gas mixture at low temperatures wherein one or more high boiling point constituents e.g., ethylene and propane are condensed from the mixture rising up a column 1, Fig. 3, by heat exchange with reversely flowing cold accumulating material e.g., butane and propane entering at ducts 27, 38 respectively and circulating through the column which forms part of a closed circuit, the condensates are each collected in pockets 43, 33 located immediately below where condensation occurs and between the mixture inlet 2 and a residual gas outlet 4, the condensates thereafter being discharged from the column through side ducts. Condensed propane in the pocket 33 also contains some of the cold accumulating liquid viz., butane from which it is separated by vaporization in a coil 29 and delivered as propane product gas at a duct 31, the liquid butane being returned to the column through a duct 32. Condensed ethylene is similarly separated from the cold liquid propane by vaporization in a coil 39 and the product gas is discharged at a duct 41, the liquid propane being returned to the column through a duct 42. The liquid propane circuit includes a pocket 34, the upper part of a heat exchanger 10 traversed by residual gas cooled by an expander 5, a pump 37 and the inlet duct 38. Butane from the base of the column 1 is similarly cooled in the lower part of the exchanger 10 and is returned to the column 1. In a modification the cold accumulating material 44, Fig. 4, is granular and is cooled in the upper part of the column 1 by rising residual gas cooled by an expander 47. The cooled material then traverses baffled perforated funnels 48, 49 in counter-current heat exchange with rising gas mixture, the resulting condensates passing through the perforations and collecting at pockets 50, 51 from which they are discharged through a vaporizing coil 55 to a duct 59 and a duct 60 respectively. Further cooling of the residual gas is effected by an ammonia cooler 57, and the warm granular material is returned to the top of the column by a conveyer 54.
Patent GB-157531-A (GB)
Title: Improvements relating to indoor games
IPC: A63F7/06
Filed: 1919-10-14
Abstract: 157,531. Hazelton, G. Oct. 14, 1919. Table games; parlour games.-A table or floor game simulating hockey is played with sticks, Fig. 4, a cylindrical " ball," Fig. 3, having a hole at each end and a flat side 5, and " goals " such as dishes or nets 2, Fig. 2, suspended in frameworks 3. Weighting-material may be added near the flat surface 5 to make the " ball " self-righting. The players endeavour by inserting the sticks into the holes in the " ball," to drop the " ball " into their opponents' goal.
Patent GB-943187-A (GB)
Title: Apparatus for supporting suspended platforms in the holds of ships
IPC: B63B25/18
Filed: 1962-06-29
Abstract: 943,187. Suspended decks. AKTIENGESELLSCHAFT WESER. June 29, 1962 [July 1, 1961], No. 25131/62. Heading B7S. Suspended platforms g in the hold of a ship are interconnected one below the other, and to a fixed deck of the ship, by lazy-tongs suspension means a, b. Fig. 3 shows suspended platforms in the closed-up condition.
Patent GB-277995-A (GB)
Title: Improvements in or relating to printing and stamping presses
IPC: B41F1/22
Filed: 1927-09-23
Abstract: 277,995. Gr³nberg, J. Sept. 24, 1926, [Convention date]. Addition to 244,943, [Class 38 (i), Electric couplings &c.]. Fluid - pressure presses. - In the printing - press described in the parent Specification, in which the sheets to be printed are pressed against the printing- surface bv an elastic diaphragm forming the wall of a container to which fluid under pressure is admitted, the diaphragm is provided with a flanged margin which, under the action of the fluid-pressure, forms a fluid-tight packing for the container. The printing-surface may be supported on a second elastic diaphragm of similar construction. The pressure chamber 3 is formed by the walls of the press 1, the head 2, and the diaphragm 4 which is provided with a rim 4<1> and inwardly projecting portion 4<2> which, under the pressure of the fluid, are pressed tightly against the walls of the chamber and form a fluidtight joint. The underside of the head 2 may be provided with a rubber or other impermeable cover 9 which may be vulcanized to the portion 4<2> of the diaphragm. The printing block is supported on a diaphragm 8 of similar construction forming the upper wall of a fluid chamber 3<1> in the carriage 7.
Patent GB-286993-A (GB)
Title: Improvements in sleeve valve driving mechanism for internal combustion engines
IPC: F01L5/10
Filed: 1927-09-24
Abstract: 286,993. British Continental Motors, Ltd., (Assignees of Niven, A. M.). April 15, 1927, [Convention date]. Valve gear.-A com. bined reciprocating and oscillating movement is imparted to a sleeve valve, A by a link C<b> having a ball-joint connection to a cranked valve shaft B and a pin connection 26<b> to a projection 23<b> on the valve, the link being provided, with a cap 12, the face 32 between which and the link is coplanar with the sleeve-driving face 22<b> of the link. The valve shaft is placed below the bottom of the sleeve, and therefore nearer the crank shaft. Specification 285,802, [Class 7 (ii), Internal-combustion engines, Arrangement &c. of], is referred to.
Patent GB-814272-A (GB)
Title: 3,4-dihydro-2h-1,3-benzoxazines
Inventor: RIGTERINK RAYMOND HENRY
IPC: C07D265/16
Filed: 1957-08-09
Abstract: The invention comprises 3,4-dihydro-2H-1,3-benzoxazines of the general formula <FORM:0814272/IV (b)/1> (wherein R is cyclohexyl, benzyl or mono- or dichlorophenyl and n is 1 or 2), and their preparation by condensing an amine RNH2 with formaldehyde and reacting the product with the appropriate phenol derivative.  In examples, m-chloroaniline is condensed with paraformaldehyde at 20-30 DEG  C. in the presence of methanolic potassium hydroxide and the resulting solution is heated under reflux with p-chlorophenol to give 6 - chloro - 3 - (31 - chlorophenyl) - 3,4 - dihydro - 2H - 1,3 - benzoxazine; by replacing the m-chloroaniline with benzylamine. 3,4-dichloroaniline and cyclohexylamine, 3-benzyl-, 3 - (31,41 - dichlorophenyl) - and 3 - cyclohexyl-6 - chloro - 3,4 - dihydro - 2H - 1,3 - benzoxazine respectively are obtained; 3-cyclohexyl-6,8-dichloro - 3,4 - dihydro - 2H - 1,3 - benzoxazine is similarly prepared from cyclohexylamine, aqueous formaldehyde and 2,4-dichlorophenol.  Other products obtainable by the same process are 6 - chloro - 3 - (21,41 - dichlorophenyl) - 3,4 - dihydro - 2H - 1,3 - benzoxazine and 3 - benzyl-and 3-(31-chlorophenyl)-6,8-dichloro-3,4-dihydro-2H-1, 3-benzoxazine.
Patent GB-155939-A (GB)
Title: Improvements in appliances for playing board or table games
IPC: A63F9/02
Filed: 1919-10-15
Abstract: 155,939. Anderson, F. Oct. 15, 1919 Table games.-In playing a game, the players adjust a wedge B so as to deflect a shot from an horizontal spring gun C on to a target A. The gun is clamped to the board or table by a spring D which, however, allows the gun to be slid along the edge of the playing-surface. The plunger of the gun is notched so that after being drawn brock any one of notches may be engaged with the back of the gun by giving a quarter-turn to the plunger, thus affording means for varying the velocity of the shot.
Patent GB-921478-A (GB)
Title: Improvements in or relating to the manufacture of tubes
IPC: B29C61/02
Filed: 1961-07-12
Abstract: 921,478. Shrink sizing of fibrous plastics tubes. M. TADIELLO, and U. D. BELDA. July 12, 1961 [July 19, 1960], No. 25270/61. Class 87(2). Rigid porous tubes, for sheathing tubular antimonial lead electrodes for accumulators, are formed by heat shrinkage and setting of a limp fibrous plastic tube around a sizing core. The tube may be woven, knitted or plaited from vinyl and/or acrylonitrile polymer or co-polymer filament yarn. The sizing cores 3, 3<SP>1</SP>, 3<SP>11</SP> &c. are circumferentially mounted around wheel 2 with axes parallel to main shaft 1. Wheel 2 is integral with shaft 1 at the other end of which is mounted integral disc 4 carrying one spool 6 of the limp plastic tube for each core 3. The limp plastic tube is manually fed on to core 3 as shaft 1 rotates. Core 3 is electrically heated by resistance heaters therein or by passage of current directly therethrough; the current is picked up from stationary conducting segment 14 by brush 10 over the fraction of a revolution corresponding to the angular width of 14. The tube cools and hardens over the remainder of a revolution when it is manually taken off core 3 and cut by heated wire 15.
Patent GB-875662-A (GB)
Title: Grab appliances for foundry moulding boxes
IPC: B22C19/00
Filed: 1957-08-09
Abstract: 875,662. Grabs for lifting foundry boxes. MEZGER, E. Aug. 9. 1957 [Aug. 24, 1956], No. 25280/57. Class 78 (4). [Also in Group XXII] Pins 30, Fig. 1, for locating a grab above a foundry box 27 are automatically projected when the grab is closed to grip the box and retracted when the grab is opened. The pins are carried at opposite ends of a rod 31 which slides vertically in a member 15 of the grab and is secured to a pair of beams 28 having pin-and-slot connections 34, 35 with the arms 18 of the grab. The grab has four arms and, in the form shown, is of the type in which the arms are pivoted at 17 to a supporting beam 16 mounted on guide stems 25 for limited vertical movement. The arms are opened and closed by links 21. connected to a central member 15 raised and lowered by a rack and pinion mechanism 9, 10 mounted on a slewing arm 5. As can be seen in plan in Fig. 3 the jaws 18 are joined in pairs.
Patent GB-732253-A (GB)
Title: Improvements in and relating to acidic polyester-ethoxyline resinous compositions
IPC: C08L63/02
Filed: 1952-10-09
Abstract: A resinous composition consists of (1) a low molecular weight polyester containing free carbonyl groups and with an acid number above 150, and (2) an epoxy resin which is a polyether derivative of a polyhydric phenol containing epoxy groups, e.g. such as are sold under the Trade Names "Epon" or "Araldite" (Registered Trade Mark). The acidic polyesters may be prepared from ethylene glycol, diethylene glycol, propylene glycol, glycerol or pentaerythritol and more than the equivalent amount of succinic, adipic, sebacic, phthalic, isophthalic, terephthalic or chlorinated phthalic acid. Preferably the molten epoxy resin is added to the molten polyester and heating continued, e.g. in a mould, until a solid, insoluble, infusible mass is produced.  The liquid mixture may be cooled and stored for subsequent hardening e.g. in such uses as casting, moulding, laminating, surface coating or adhesion, e.g. as a sealant for a cracked glass surface or for a bearing surface or for impregnating sheet material, e.g. cloth, paper, asbestos or mica sheets.  The mixed ingredients or partial condensates thereof may also be used in solution, e.g. in acetone, cyclohexanone, or methyl ethyl ketone.  Benzene or toluene may be added as diluents.  Fillers may be added, e.g. TiO2, clay, iron oxide, carbon, graphite, asbestos, or magnetic powders, e.g. Alnico powder.  In the examples: (1) mixtures of ethylene glycol adipate (acid number 252) and epoxy resins were made at 150 DEG  C. and cured by heating for 15 hours at that temperature; (2) the polyester employed was ethylene glycol phthalate with an acid number of 235; (3) castings were made from mixtures of epoxy resins with acidic pentaerythritol phthalate; (4) a glycerine-phthalate polyester with acid number 354 was used; (5) a mixture of an epoxy resin and an acidic glyceryl adipate dissolved in acetone was used to impregnate and coat mica paper tape which was used to wrap stator bars which were then treated at 150 DEG  C. and 100 lbs./sq. inch pressure to thermoset the insulation.
Patent GB-1019285-A (GB)
Title: Light for personal wear
IPC: G02B6/40
Filed: 1964-06-18
Abstract: 1,019,285. Lamps for personal wear. AMERICAN CYTOSCOPE MAKERS Inc. June 18, 1964 [July 1, 1963], No. 25330/64. Heading F4R. [Also in Division G2] A light for attachment to the head of the user for carrying out surgical procedures, comprises a band 20 encircling the user's head, a lens housing 40 adjustably connected to the band,  a light source 100 remote from the lens housing and connected thereto by a light conducting flexible bundle of fine glass fibres 70 and lens means in the lens housing for directing and focusing light on an area to be illuminated. The lamp 106 is carried on a platform 103 inside a housing 102 which also encloses a transformer 110, a rheostat 116 and a blower 120 for cooling the end of the bundle 70 which is provided with a plug 80 engaging in a finned jack 90 in the housing. The bundle 70 may be manufactured as described in Specification 993,322. The front end of the bundle 70 is secured in a sleeve 48 which is screwed into a tube 41 carrying a lens 42. A hemi-spherical lens (not shown) is arranged in front of the end of the bundle, relative movement of the two lenses enabling the light to be focussed. The sleeve 48 is connected by a ball and socket joint to an arm 32 carried by a ball and socket joint 30 on the band 20.
Patent GB-296758-A (GB)
Title: Manufacture of vat-dyestuffs of the anthracene series
IPC: C09B5/28
Filed: 1928-09-04
Abstract: 296,758. I. G. Farbenindustrie Akt.- Ges. Sept. 7, 1927, [Convention date]. Anthraquinone vat dyes are obtained by treating a dyestuff obtainable by fusing 1 : 5- or 1 : 8- di-a-anthraquinonylaminoanthraquinone with alkaline condensing agents (Specification 15846/09), or with metallic chlorides (Specification 12921/10 and German Specifications 249,000 and 251,350), with concentrated sulphuric acid at a temperature below 15‹ C., diluting the mixture with water and oxidizing the precipitate obtained. In an example, the dyestuff obtainable according to example 2 of Specification 12921/10 is treated with sulphuric acid at a temperature below 5‹ C. and the precipitate obtained on dilution of this solution oxidized with sodium hypochlorite. The analogous treatment of the dyestuff from 1 : 8-di-a-anthraquinonylaminoanthraquinone is also mentioned.
Patent GB-703406-A (GB)
Title: Improvements in or relating to solvent resistant rubber articles
Inventor: GARNER PHILIP JAMES
IPC: C08K5/14
Filed: 1950-10-18
Abstract: A rubber article suitable for bringing into contact with polar solvents comprises a solvent contacting surface made by vulcanizing a composition which includes a hydrocarbon rubber, an inorganic filler and a peroxy vulcanizing agent, and excluding carbon black and all organic pigments, organic fillers and organic colorants.  The hydrocarbon rubber may be a copolymer of isobutylene with butadiene or isoprene, or of butadiene and styrene.  The filler may be calcium carbonate, calcium silicate or kieselguhr.  The vulcanizing agents may be tertiary butyl perbenzoate, 1, 1-bis (tertiary-butyl peroxy)-3, 3, 5-trimethyl-cyclohexane or 2, 2-bis (tertiary-butyl peroxy)-butane.  The article is vulcanized at a temperature of approximately 130-140 DEG C. and preferably under a pressure of 750 lbs. per sq. inch.  An antioxidant such as 2, 6,-ditertiary-butyl-4-methyl phenol may also be added. Specification 591,444 is referred to.ALSO:A rubber article suitable for bringing into contact with polar solvents comprises a solvent contacting surface made by vulcanizing a composition which includes a hydrocarbon rubber, an inorganic filler and a peroxide vulcanizing agent, and excluding carbon black and all organic pigments, organic fillers and organic colorants.  The hydrocarbon rubber may be natural rubber, a copolymer of isobutylene with a diene such as butadiene or isoprene, or a copolymer of butadiene and styrene.  The filler may be calcium carbonate, calcium silicate or kieselguhr.  The vulcanizing agents may be tertiary butyl perbenzoate, 1, 1-bis (tertiarybutyl peroxy)-3-3, 5-trimethyl-cyclohexane and 2, 2-bis (tertiary-butyl peroxy)-butane.  The article is vulcanized at a temperature of approximately 130-140 DEG C. and preferably under a pressure of 750 lbs. per sq. inch.  An antioxidant such as 2, 6,-ditertiary-butyl-4-methyl phenol may also be added. Specification 591,444 is referred to.