baber/WOPTO huggingface dataset:
Patent GB-546469-A (GB)
Title: Process of laminating materials and the articles produced therefrom
IPC: D06M17/00
Filed: 1940-12-13
Abstract: 546,469. Compound fabrics. WALLACH, R. Dec. 13, 1940, No. 17645. [Class 140] A compound fabric for use as a substitute for window glazing is produced by applying to a sheet of a hydrophilic colloid such as cellulose hydrate a solution comprising .a thermoplastic film-forming material such as a mixture of a polyvinyl acetate resin and a methyl methacrylate resin dissolved in a volatile organic solvent such as acetone, evaporating all of the solvent to form a continuous coating and then laminating the coated side of the sheet to a layer of fabric by means of heat and pressure by the use of heated platen plates, calender rolls, steam presses and the like. As the thermoplastic material may be employed vinyl resins, cumarone resin, indene resin, condensation products, and cellulose esters and ethers. A thermo- .plastic coated sheet of cellulose hydrate &c. may be applied to each side of the fabric and before applying the thermoplastic material to the cellulose hydrate &c. sheet the latter may be coated with a waterproof or moistureproof lacquer and the final product may be similarly coated. Other intermediate coatings may be employed to afford superior anchorage of the thermoplastic coating to the cellulose hydrate, suitable anchor coatings being described' in Specification 527,985 and in U.S.A. Specifications 1,962,338, 1.972,869, 1,990,080 and 2,030,962. Specification 433,011 also is referred to.
Patent GB-681634-A (GB)
Title: Improvements in or relating to electric cables
Inventor: SCOTT THOMAS ROBERTSON
IPC: H01B13/22
Filed: 1950-07-14
Abstract: 681,634. Cables. STANDARD TELEPHONES & CABLES, Ltd. July 13, 1951 [July 14, 1950], No. 17660/50. Class 36. The insulated core of an aluminium sheathed cable is provided with at least one layer of acetylated paper, fabric or the like, which is adjacent to the sheath and which may be metallized on its outer surface. The aluminium sheath may be provided by extrusion directly on to the core, or may be in the form of a tube of larger diameter than the core, which is subsequently drawn down on to the core. The contact between the sheath and the acetylated layer is established at a temperature between 350‹ and 500‹ C., the sheath then being cooled to 120‹ C. or less, after a period of time which allows the aluminium to become recrystallized without damaging the outer layer to an extent that reduces its tensile strength by more than 20 per cent. The duration for which the high temperature may be safely maintained varies between 60 seconds at 300‹ C. and 1 second at 495‹ C. 99.99 or 99.8 per cent aluminium can be recrystallized within these times at any temperature within this range, but 99.5 per cent aluminium must be recrystallized at temperatures of 450‹ C. or more, if the permissible time is not to be exceeded. Specification 631,127 is referred to.
Patent GB-273768-A (GB)
Title: Methods of producing homogeneous mixtures of pulverulent materials
IPC: C04B7/38
Filed: 1927-07-04
Abstract: 273,768. Jorgensen, M. Vogel-. July 2, 1926, [Convention date]. Pulverulent material, facilitating mixing of by gas currents.-A method of producing a homogeneous mixture of pulverulent materials in definite proportions consists in homogenizing each separate material by stirring after admixture with air to render it fluid as described in Specification 255,375. mixing the materials in the required proportion, and homogenizing the mixture. The process is particularly applicable to the correction of the composition of raw cement meal; in this case the contents of a number of silos are homogenized, their compositions are ascertained, and they are mixed in such proportion as to give a mixture of the correct composition and finally homogenized again. The process may be carried out before or after the final stage of grinding of the raw meal. Reference has been directed by the Comptroller to Specification 255,375.
Patent GB-685744-A (GB)
Title: Process for the production of hydrocyanic acid from volatile hydrocarbons and ammonia
IPC: C01C3/02
Filed: 1951-07-26
Abstract: In the production of hydrocyanic acid by interacting gaseous ammonia and a volatile saturated or unsaturated hydrocarbon, preferably methane, in the presence of a platinum metal catalyst, the reaction chamber consists of a ceramic material containing less than 25 per cent of silica.  Shaped bodies may be positioned in the reaction chamber and are preferably of such a shape that their outer boundary surfaces run substantially parallel to the inner walls of the reaction chamber.  In order to obtain good yields the gap bounded by the inner wall of the reaction chamber and the shaped bodies should lie between 2 m.m. and 15 m.m.  Suppression of undesired side reactions and increase in yield may be effected by introducing the reactant gases separately into the reaction chamber, the ammonia entering at as low a temperature as possible and the hydrocarbons at as high a temperature as possible not exceeding their decomposition temperature.  The catalyst may be applied to the walls of the reaction chamber and shaped bodies in the form of foil or as a coating deposited chemically or electrolytically.  In order to minimize losses of catalyst material owing to platinum meal volatizing with the reaction gases the outflowing gases may be caused to pass through baffle bodies; more particularly of gold, preferably maintained at a temperature between 600 and 700 DEG C.
Patent GB-585732-A (GB)
Title: Improvements in or relating to high vacuum condensation pumps
IPC: F04F9/00
Filed: 1944-09-19
Abstract: 585,732. High vacuum jet pumps. BROAD, D. A. G. Sept. 19, 1944, No. 17831. [Class 71] The vapour supply pipe 2 of a high vacuum mercury &c. vapour jet pump is surrounded by a directory 3 which iorms a continuation of the supply pipe and is flared outwardly downwards to restrict the egress passage for vapour lying between the director and the inner wall 6 of an external condenser tube. A hood 4, sealed to the upper end of the director 3, directs the issuing vapour towards the condenser walls. In a modification, the lower end of the director 3 is turned outwards to form a lip engaging the wall 6 and formed with a nick allowing condensed mercury to flow back into the boiler and in some cases with holes for passage of evacuated matter.
Patent GB-1534955-A (GB)
Title: Endothermic cooling system
IPC: F24S90/00
Filed: 1976-04-30
Abstract: 1534955 Endothermic reactions P J HASTWELL 30 April 1976 [5 May 1975] 17835/76 Headings F4H and F4U In a method for continuously cooling a fluid medium passing through a heat exchange coil 7 in the base of a column 1, an endothermic substance in crystal form disposed at the base of the column dissolves in a solvent and thereby absorbs heat to cool the fluid medium. A heating device 4 in the upper region of the column 1 causes the solvent to vaporize and pass to a condenser 11; the endothermic substance, crystallizing, with the crystals falling under gravity to the base of the column. The solvent condensate is returned to the base of the column 1 via a storage tank 15, a flow regulating valve 17, and a heat exchanger 18. The method preferably operates under vacuum. The heating device may be coupled to a solar heat exchanger. A grid 22 is provided in the column beneath the heating device to limit turbulence, and a spray entrainer 24 is provided above the heating device to limit loss of endothermic substance from the column. Preferred endothermic substances for use in the method are ammonium nitrate, ammonium thiocyanate, potassium nitrite, or potassium thiocyanate. A series of columns may be connected together (Fig. 2, not shown), the condenser associated with one column acting as the heating device of the adjacent column.
Patent GB-1360272-A (GB)
Title: Photosensitive elements for use in electrophotography
IPC: G03G5/147
Filed: 1971-06-01
Abstract: 1360272 Coated sheet materials KATSURAGAWA DENKI KK 1 June 1971 [29 May 1970] 18302/71 Heading B2E [Also in Divisions C7 and G2]  A structure comprising a layer having a concentration gradient is made by spraying an aluminium substrate with an organic solvent dispersion of polyvinyl acetate and CdS doped with 10<SP>-6</SP> mole % of Cu (1st dispersion) initiating the spraying of an organic solvent dispersion of polyvinyl acetate and CdS doped with 10<SP>-5</SP> mole % of Cu (2nd dispersion) simultaneously with the 1st dispersion, throttling back gradually on the 1st dispersion so as to give ultimately a spray of the 2nd dispersion. An insulative layer, e.g. polycarbonate, is applied to the coated substrate.
Patent GB-257239-A (GB)
IPC: B62D43/02
Filed: 1926-07-23
Abstract: 257,239. Compagnie d'Applications Mecaniques. Aug. 22, 1925, [Convention date]. Mounting spare wheels on vehicles.-In a spare wheel support of the type comprising a truncated conical part 3, Fig. 3, having a conical bearing surface 4 to engage the part 11 of the wheel hub 10, and a part 5 to engage the interior of the hub 10, the part 5, as shown in Fig. 2, has the cross-sectional form of a segment of a circle situated above the horizontal plane through the axis of the support and subtruding an angle of less than 180‹ at the centre, so as to enable the wheel to be disengaged from a recess 18 in the running board &c. of the vehicle by raising it and at the same time inclining it outwards so as to clear the support. The wheel is secured to the support by a screw stud 13, which is adapted to engage a chamfered threaded hole 7 in a part 6 of the support and is provided with a cap 12 engaging a conical surface 17 on the hub 10.
Patent GB-1269986-A (GB)
Title: Porous cross-linked copolymer and ion-exchange resin
Inventor: FUCHIWAKI YUTAKA
IPC: C08J9/26
Filed: 1969-04-10
Abstract: 1,269,986. Porous cross-linked copolymers and ion-exchange resins. MITSUBISHI CHEMICAL INDUSTRIES Ltd. 10 April, 1969, No. 18496/69. Headings C3C and C3P. A porous, cross-linked copolymer is made by (i) effecting in aqueous suspension copolymerization of a monovinyl or monovinylidene monomer and a polyvinyl or polyvinylidene monomer in the presence of a free radical initiator, an organic solvent and a linear monovinyl or monovinylidene polymer at a temperature above the dissociation temperature of the initiator, and (ii) subsequently extracting with a solvent the linear polymer from the copolymer resulting from the copolymerization, the organic solvent being insoluble in water and capable of dissolving the monomers and of swelling the copolymer, and the linear polymer constituting a homogeneous phase with the monomers and solvent and having an average molecular weight of from 3000 to 300,000. Ion-exchange groups may be introduced into the copolymer either after the extraction of the linear polymer or during the extraction of the linear polymer. In the examples styrene or ethyl acrylate and divinylbenzene were polymerized in an aqueous mixture of polystyrene or polyvinyl acetate, toluene or carbon tetrachloride, benzoyl peroxide and polyvinyl alcohol and the polystyrene or polyvinyl acetate respectively was extracted with a solvent. The copolymer was then made into an ion-exchange resin by treatment with (i) sulphuric acid and then sodium carbonate, (ii) chloromethyl methyl ether and zinc chloride, and then trimethylamine or dimethylamine and sodium hydroxide, or (iii) sodium hydroxide and then hydrochloric acid.
Patent GB-668624-A (GB)
Title: Improvements in dial bore gauge
IPC: G01B5/08
Filed: 1948-07-09
Abstract: 668,624. Linear-dimension gauges. STANDARD GAGE CO., Inc. July 9, 1948 [July 21, 1947], No. 18526/48. Class 106 (ii). A dial bore gauge adapted for measuring small bores includes a gauging head, a measuring plunger, a movement transmitting rod adapted to operate a dial indicator, a pair of centring pins on either side of said measuring plunger and is characterized in that means for resiliently pressing the centring pins outwardly to engage the walls of the bore and centre the head include levers pivotally mounted in the head. One end of a transverse bore 20 is threaded to receive a pin 23 whose position may be adjusted and locked by a nut 24, while a measuring plunger 21 slides in the other end of the bore within limits allowed by a screw 31 and notch 30, the inner end of the plunger having a 45 degrees bevel to engage a similar bevel at the foot of a rod 27 for transmitting movement of the plunger to a dial gauge. Centring plungers 32 slide in bores parallel to the bore 20 and symmetrically placed either side of it and are formed with transverse bores 35 in which work the rounded ends 36 of levers 37 screwed into a cylinder 40 which is freely carried in the gauge head 15 and has a bore 41 to avoid interfering with the rod 27. A spring 43 disposed round a part 17 embraces the two levers 37 and presses the plungers 32 outwards, the plunger 21 being pressed outwards by the spring of the dial gauge.
Patent GB-121507-A (GB)
Title: Improvements in or relating to Lathes and the like.
Inventor: SYMONS ANGUS BRYANT
IPC: B23Q17/22
Filed: 1917-12-14
Abstract: 121,507. Symons, A. B. Dec. 14, 1917. Gauging-devices.-A gauging-device for a lathe comprises a feeler on distance-piece H slidably mounted between a micrometer screw F, and the work to be gauged, or tool to be set, the feeler H being so mounted, as in a pivoted support G, as to be displaceable during the turning opera. tion, and returnable to its operative position after. wards. The rounded rear end H<2> is kept against the screw F by a spring L. A collar H<3> prevents the feeler H passing too far into the support G, and a locking-screw M is provided. A spring- pressed locking-pin holds the support G in its operative or inoperative position. The whole is preferably carried on a slide B having an adjustable stop D. The graduations on the micrometer may read twice the traverse of the screw, so as to register the change in diameter of the turned article. For measuring the mean effective diameter of screwed work, small standard cylinders are inserted in the threads, and these cylinders may be suspended from the rods O.
Patent GB-351731-A (GB)
Title: Improvements in and relating to pistons
IPC: F16J1/00
Filed: 1930-06-18
Abstract: 351,731. Pistons. WAGNER, H. H., Wausau, Wisconsin, U.S.A. June 18, 1930, No. 18644. [Class 122 (i).] In pistons of the type comprising a split sleeve 17 mounted on the piston body portion 10, the split 18 in the sleeve is stepped and expanded against the cylinder wall by corrugated spring members 25, 26. Horizontal portions of the split 18 extend into grooves on the inner periphery of the sleeve, whereby the joint is sealed by rings 15, 16 oh the piston body coacting with the said grooves. Piston rings are mounted in grooves in the outer periphery of the sleeve, which is prevented from axial movement by projections 12, 13 on the piston body.
Patent GB-1502809-A (GB)
Title: Internal combustion engine having precombustion chambers
IPC: F02B19/10
Filed: 1975-05-05
Abstract: 1502809 Supplying fuel-air mixture to precombustion chamber ROBERT BOSCH GmbH 5 May 1975 [8 Nov 1974] 18702/75 Heading F1B An I.C. engine comprises main and precombustion chambers 7 and 4 connected by a flame passage 6, there being an inlet valve 2 which controls the admission of air-fuel mixture to the main combustion chamber 7 and controls ports 15 in valve seat 12 which are connected to the precombustion chamber via passage 17 to cause airfuel mixture to be drawn into the pre-combustion chamber. When valve 2 opens, flow into the main combustion chamber produces a reduced pressure in port 15 and passage 17 which draws rich mixture into the pre-combustion chamber via the flame passage 6. The ports 15 connect with an annular passage 14 in an insert ring 13 on which the valve seat 12 is formed.
Patent GB-571308-A (GB)
Title: Protectors for securing to the soles and heels of footwear
IPC: A43C15/02
Filed: 1943-11-12
Abstract: 571,308. Protectors for footwear. YOUNG, C. H., and MASON, M. Nov. 12, 1943, No. 18815. Drawings to Specification. [Class 17 (iii)] Protectors for the soles and heels of footwear are cut to desired shape and size from strips of rubber of concave-convex shape in cross-section. The strips may have this cross-section both transversely and longitudinally and may be reinforced with canvas. The protectors which may be arranged around the sole &c. edges or transversely of'the sole are attached by nails, screws, cement or other means.
Patent GB-735438-A (GB)
Title: Improvements in or relating to phenanthridinium salts
Inventor: WRAGG WILLIAM ROBERT
IPC: A61K31/00
Filed: 1952-07-24
Abstract: The invention comprises the chemotherapeutic compound, 2,7-diamino-9-phenyl-10-ethyl-phenanthridinium chloride.  It may be prepared by treating a compound <FORM:0735438/IV (b)/1> wherein X is a group convertible to a primary amino group, e.g., a nitro, acylamino or carbalkoxyamino group, with an ethyl ester of a strong acid to produce the 10-ethyl quaternary salt and the radicals X are then converted into amino groups and the anion, if not a chloride, is converted into a chloride.  The compound may also be prepared from other 2,7-diamino-9-phenyl - 10 - ethyl - phenanthridinium salts by metathesis or from the quaternary hydroxide or pseudo-base by treatment with HCl or with a chloride of a volatile base. Specifications 587,673, 697,296 and 724,114 are referred to.
Patent GB-237097-A (GB)
Title: Improvements in and connected with swivelling head lamps for steerable vehicles
IPC: B60Q1/124
Filed: 1924-04-23
Abstract: 237,097. Wakfer, W. H. April 23, 1924. Vehicle lamps, directing.-In means for directing vehicle lamps from the steering-gear of the kind in which the near side lamp is caused to turn when the vehicle is steered to the left and the off-side lamp turns when the vehicle is steered to the right, the lamp spindles are connected to the steering-mechanism by flexible cords or springs and are yieldingly held in the normal position by a spring connection between the lamp spindles. The lamp spindles k are journaled in brackets l secured to the vehicle frame and are provided at their lower ends with hubs which may be angularly adjustable on the spindles and have arms m, n the former of which serve as stops, the arms n being connected by flexible cords or wires p, p' or by springs to opposite ends of the front-wheel coupling rod e or to the steering-arms d of the front wheels. The arms n are perforated at different points to receive the connections p, p' to enable the amount of angular movement of the lamps for a given angular movement of the front wheels to be varied and the arms m may be provided with rubber or like sleeves for buffering purposes. Arms q are provided at the bottom of the lamp spindles and are connected by a cord or wire r which includes a spring s for yieldingly retaining the lamps in the normal position. The arms n may be provided on spindles separate from the lamp stems but operatively connected thereto. The mechanism may be modified to suit vehicles in which the front-wheel coupling bar e is in front of the front axle.
Patent GB-666095-A (GB)
Title: Method for desulphurizing iron and steel with metal hydrides
IPC: C21C7/064
Filed: 1949-07-18
Abstract: Desulpherizing ferrous metal in the furnace or laddle or when flowing from a furnace is effected whilst molten slag is floating on the metal, by the introduction of at least one metal hydride to the metal, preferably an alkali metal hydride, and subsequent removal of the slag.  Any other treatment of the metal may proceed simultaneously in known manner.  Specification 387,726 is referred to.
Patent GB-396925-A (GB)
Title: Improvements in loud speakers
IPC: H04R9/04
Filed: 1932-07-05
Abstract: 396,925. Loud-speakers. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and EDEN, E. M., c/o General Electric Co., Wembley, Middlesex. July 5, 1932, No. 19011. [Class 40 (iv).] An elastic member controlling the vibrations of the diaphragm 4 of a moving coil loud-speaker comprises a slightly dished central annular portion 1 and resilient arms 2, the portion 1 being rigidly attached to the diaphragm or to the coil former 7 and the arms being bent over, as shown in Fig. 3, and their ends secured by nuts 10 to a rod 5 carried by the centre magnet pole 6.
Patent GB-401234-A (GB)
Title: Automatic device for continuous sounding at sea by echoes of hammer blows
IPC: G10K9/10
Filed: 1933-07-05
Abstract: 401,234. Echo-sounding and distancemeasuring apparatus ; plate vibrators. MARTI, P. A. D., 13, Rue de l'UniversitÚ, Paris. July 5, 1933, No. 19090. Convention date, Sept. 27, 1932. [Classes 13 and 118 (ii).] In a system for continuous sounding by echoes of hammer blows, the hammer is released as the recording stylus passes the zero line on its curve and, after striking a blow, is slowly raised to its initial position, the releasing circuit being ineffective unless the hammer is in its highest position. As shown in Fig. 1, the hammer comprises a hollow metal block 3 which slides over the shaft 5, the hammer, when released, being impelled by a spring 6 against the vibrator 4. The shaft 5 also carries the tube 7 to which the magnet core 9 is rigidly connected. An eccentric 12, driven continuously by motor 8, continuously raises and lowers the tube 7 at a slow rate, the suggested rate being twice a minute. When the hammer is in its lowest position, the contact 18 is closed energizing magnet 9 so that as the magnet is raised by the motor the hammer is lifted. When the hammer reaches its highest position, the contact 18 opens but the magnet remains energized over 16 until the extension 17 on the arm carrying the stylus, which revolves at a much higher rate than the eccentric 12, for example at 20 revolutions a minute, opens the contacts, when the hammer falls to emit another blow and the cycle is repeated. As shewn in Fig. 2, the periodicity of the blows is controlled by a contact 19. When the hammer is in the lowest position, contact 18 closes to connect up the motor which lowers the magnet and picks up the hammer as before described. When the hammer is completely re-armed, contact 18 opens, stopping the motor, but the hammer is held by 9 until first contacts 19 are opened and then the stylus arm opens contacts 16. The motor shaft may carry a flywheel to prevent idle running during the downward movement of 9. Specifications 203,657, 287,456, [both in Class 118 (ii), Signals], 372,176, and 385,049 are referred to.
Patent GB-221920-A (GB)
Title: Improvements in and relating to valves
IPC: F16K29/02
Filed: 1923-07-25
Abstract: 221,920. White, A. E., (Hardinge Bros., Inc.). July 25,1923. Rotating valves on seats; piston valves. - A valve suitable for controlling a very small flow of heavy fuel oil or other liquid containing sediment, comprises a tubular seating member 7 secured in the body 5 by a screwed sleeve 8, and adapted to receive the lower end of the valve member 10. This member is recessed and provided with a lateral opening 49, which allows the fluid to pass over the bevelled edge 50 of the member 7, into the discharge pipe 53. To prevent obstruction of the passage 49 by dirt, the member 10 is continuously rotated by worm gearing 15 without affecting its longitudinal adjustment. Other details of the apparatus are described in Specification 223,646.
Patent GB-682241-A (GB)
Title: Improvements in or relating to movable mountings for cycle accessories
IPC: B62M7/10
Filed: 1949-07-20
Abstract: 682,241. Tanks. FARGION, B. R., and EASTON, H. July 20, 1950 [July 20, 1949], No. 19147/49. Drawings to Specification. Class 69 (i) [Also in Group XXXI] The fuel tank of an auxiliary engine of a pedal cycle (see Group XXXI) is formed of a generally kidney shape with the re-entrant curve on the lower side. Fuel is taken from one end only of the tank by gravity feed to the engine, the fuel in the other end being held in reserve until the tank or the cycle is tilted to a sufficient degree to allow such fuel to flow over into that part of the tank from which the fuel feed is taken.