baber/WOPTO huggingface dataset:
Patent GB-633560-A (GB)
Title: Process for producing a molding material and the article produced
IPC: C08L97/02
Filed: 1946-12-23
Abstract: A moulding material is obtained by forming an alkaline dispersion of an alkali-soluble, water-insoluble cellulose ether, rubber latex or latex of a rubber-like polymerization product, and a filler, subjecting the dispersion to coagulation to form a solid mass containing the filler, and comminuting the mass.  The cellulose ether may be a methyl, ethyl, propyl, hydroxy-methyl or carboxymethyl cellulose ether.  The latex may be natural or synthetic rubber latex, concentrated or creamed natural rubber latex, or pre-vulcanized rubber latex.  An artificial latex produced by dispersing a synthetic rubber or rubber-like polymerization product in water containing a protective colloid and dispersing agent may be used.  The synthetic rubber or rubber-like polymer may be poly-butadiene, an olefine-polysulphide, an isobutylene polymer, a chloroprene polymer, or a polyvinyl halide.  Compounding agents for rubber may be present, e.g. sulphur or zinc oxide.  Accelerators such as diphenyl guanidine or mercaptobenzothiazole, antioxidants such as butyraldehyde-aniline condensation products or reaction products of acetone and p-aminodiphenyl, and lubricants such as stearic acid may be included. The filler may be wood pulp, wood flour, asbestos fibre, mineral wool, glass fibre, or mineral pigment. The aqueous dispersion may contain 1-12 per cent of cellulose ether, 2-16 per cent of fixed alkali, 2-12 per cent of rubber, and 0.1 to 1.0 per cent of vulcanizing agent.  Coagulation of the dispersion may be effected by means of an acid gas, or a solution of acid or acid salt, or by heating to a temperature above 60 DEG  C. After coagulation is complete, the resultant mass is drained and washed and then dried. Comminuted material may be obtained by rapid agitation of the liquid during coagulation, or by extrusion to form a film or rod, which is subsequently comminuted mechanically.  In an example, a composition is prepared from alkali-soluble cellulose ether, caustic soda, water, wood-flour, colloidal sulphur, zinc oxide, Agerite White, stearic acid soap, and an accelerator.  The solution is mixed with rubber latex containing caustic soda.  The composition is added slowly to a large quantity of 5 per cent sulphuric acid and vigorously stirred. The mass of small crumbs obtained is neutralized, washed, and dried. The Specification as open to inspection under Sect. 91 comprises also compositions in which the cellulose ether is of the alkali-insoluble, water-soluble kind.  This subject-matter does not appear in the Specification as accepted.
Patent GB-925969-A (GB)
Title: A device for stowing hatch covers on ships
IPC: B63B19/203
Filed: 1961-10-23
Abstract: 925,969. Hatch covers. VON TELL TRADING CO. A.B. Oct. 23, 1961 [Nov. 10, 1960], No. 37847/61. Class 113. A ship's hatch cover comprises five sections 1-5, hinged together and supported by rollers or shoes 6-12 on the coaming. Each of sections 1, 3 and 5 has a pivot roller 21, 22, 23 which is preferably mounted on an adjustable eccentric and which engages a ramp 20 and tilts the section towards the vertical stowing position as the supporting rollers leave the coaming, Figs. 2 and 4. Sections 2 and 3 are of equal size, but are smaller than section 1, and sections 4 and 5 are of equal size but are smaller than sections 2 and 3. A sixth section (Fig. 5, not shown) may be hinged to the section to which the operating cable 25 is attached (section 5), spring means being inserted between the sixth section and section 5 to facilitate unfolding.
Patent GB-302933-A (GB)
Title: Automatic means for cutting off reservoirs and apparatus realising the said means
IPC: F16K31/18
Filed: 1928-12-21
Abstract: 302,933. Muller, J. Dec. 23, 1927, [Convention date]. Addition to 291,052. Tanks.-In apparatus for automatically cutting off the supply of liquid, such as petrol, to reservoirs or tanks in replenishing, according to the parent Specification, the valve closure member is arranged so that in its closing movement it is subjected to the dynamic thrust of the flowing liquid to assist the closing action of the float. In the arrangement shown in Fig. 2 the supply tube A is fitted with a second tube 63 and with a closed top cylindrical cover 65 which has lateral perforations 78 controlled by a perforated piston 79 connected to the float 81. The valve in its open position lies within the cover 65 but on being moved downwardly by the action of the float in closing it moves into the liquid current and the dynamic thrust on the upper side of the valve assists its closure. The valve member may take the form of a lift closure disc, and be operated by an annular float disposed around the second tube 63. The valve may alternatively be disin the bottom or side of the reservoir or tank and be operated by a float through levers and links; or the float may operate through a release, catch arrangement. Moreover there may be interconnected floats so that the mechanism operates whatever the inclinations of the reservoir. gravity operated vent valves 76 are also fitted which close automatically in the event of the overturning of the reservoir or tank.
Patent GB-1141064-A (GB)
Title: Starting mechanism for internal combustion engines
Inventor: GUBB KENNETH FREDERICK
IPC: F02N15/06
Filed: 1965-09-06
Abstract: 1,141,064. Starter drives. C. A. V. Ltd. Aug. 30, 1966 [Sept. 6,1965; Dec.10, 1965] Nos. 37964/65 and 52461/65. Heading F1K. A starting mechanism comprises an axially movable pinion 13 in driving engagement with the starter shaft 11, a first member 15 axially movable relative to the shaft and arranged when moved in one direction to move the pinion axially into engagement with a toothed wheel 13a of the engine, locking means 32 operable to lock the first member to the shaft when the pinion is engaged with the toothed wheel, an operator controlled second member 17 arranged when operated to engage the first member to cause the latter to move the pinion axially the second member being so arranged that at the limit of its travel under control of the operator it will be disengaged from the first member, centrifugally operable means 33 arranged to release the locking means when the shaft attains a predetermined speed of rotatem and means for moving the pinion axially out of engagement with the toothed wheel as shown the centrifugally operable means 33 comprised a plurality of balls which are acted upon by centrifugal force and which when the speed of rotation attains a predetermined value releases the locking means. The second member may be provided with a groove in which are located a plurality of arcuate segmental pieces 20. In a modification the armature of the solenoid 16 is split into a number of portions. The locking balls when the pinion is properly engaged fall into recesses in the periphery of the shaft 11. The balls 33 are differently arranged.
Patent GB-1125666-A (GB)
Title: Process for production of polyvinyl formal porous products
IPC: C08F8/28
Filed: 1966-08-24
Abstract: 1,125,666. Foamed polyvinyl formals. KURASHIKI RAYON K.K. 24 Aug., 1966 [25 Aug., 1966], No. 38049/66. Headings C3C and C3P. Foamed polyvinyl formals are prepared by a process comprising the steps of (i) reacting polyvinyl alcohol with a formalizing agent in an aqueous solution containing a formalization catalyst and zinc chloride or acetic acid; (ii) before, during or after the reaction, introducing a foaming agent; and (iii) coagulating the resulting polyvinyl formal foam with an aqueous coagulating liquid. The expression " polyvinyl alcohol " includes completely and partially saponified polyvinyl esters and also saponified polyvinyl esters which are slightly acetalized, etherified or urethanized, and saponified products of copolymers of vinyl esters and copolymerizable monomers. Formalizing agents for use in step (i) can be formaldehyde and formaldehyde-forming substances and suitable formalization catalysts are inorganic and organic acids. Step (ii) may be accomplished by introducing into the viscous solution from step (i) a gas under high pressure and then decreasing the pressure; a substance having a low boiling point under pressure, followed by heating or reducing the pressure; a surfaceactive agent, if necessary, with air or other gas with agitation; a substance which evolves a gas by the action of acid; or a foaming agent which evolves a gas by heating or by the action of a promoter. The coagulating liquid for step (iii) is water, steam or an aqueous solution composed essentially of water; water containing less than 20% of zinc chloride or acetic acid being preferred. Various fillers, such as plasticizers, celluloses, synthetic fibres and inorganic materials, may be added to the polyvinyl formal solution and the foams may be shaped into many forms and subjected to colouring, coating, embossing, waterproofing, laminating, printing, compounding or softening.
Patent GB-1500660-A (GB)
Title: Electrochemical grinding
IPC: B23H5/10
Filed: 1976-09-15
Abstract: 1500660 Abrasive wheels INOUE-JAPAX RESEARCH Inc 15 Sept 1976 [17 Sept 1975] 38114/76 Heading B3D [Also in Division C7] An electrochemical grinding wheel 3 has a metallic contact ring 4 secured thereto by means of a nonconducting adhesive resin (5) containing conductive particles. These particles may be of carbon or metal and may be of irregular shape e.g. dendritic, whiskers or spherical-crystalline with a size of 0À1-100 microns. Conventional conductive wheel materials are referred to for electrolytic, electrolytic/spark discharge or electrolytic/mechanical grinding. The wheel may be secured via insulating sleeves and rings 7, 7<SP>1</SP>, 8, 14 on a spindle 6. Slip ring 10 engages stationary brush 11, and is pressed against the metal ring 4.
Patent GB-1498424-A (GB)
Title: Apparatus for spraying powder
IPC: B05B7/14
Filed: 1975-11-27
Abstract: 1498424 Ejectors AIRLUB CO Ltd 27 Nov 1975 [31 Aug 1974 28 Feb 1975] 38155/74 Heading F1E [Also in Division B2]  A two part ejector 10 has a powder inlet 11 an air inlet 14 communicating with an annular passage 16, and and air/powder outlet 12. The air supply to the inlet 14 is controlled by a valve on a spray gun (See Division B2).
Patent GB-341231-A (GB)
Title: Improvements in devices for use in the infusion of tea
IPC: A47J31/06
Filed: 1929-12-13
Abstract: 341,231. Tea infusers. SHARP, B., 231, Church Street, Blackpool. Dec. 13, 1929, No. 38186. [Class 129.] A tea infuser comprises two perforated telescopic cylinders A, B fitted with a perforated disc F on which the tea is placed and which can be raised to eject the spent leaves by a hollow handle Fl sliding on the control rod E. The device can be adjusted to fit teapots of varying depths. The cylinders are held in adjusted position by blade springs a fitted to the inner cylinder. Stops b engage these springs to avoid total disconnection of the cylinders and flanges a<1> on the springs at their points of attachment prevent complete removal of the disc F. The inner cylinder is brazed or otherwise secured to a base C which is strengthened by a three-armed spider D to which the central rod E is bolted.
Patent GB-1159934-A (GB)
Title: Texturising of Flat Flexible Materials
IPC: D06C23/04
Filed: 1966-08-25
Abstract: 1,159,934. Embossing. CLUPAK Inc. 25 Aug., 1966 [21 Oct., 1965], No. 38211/66. Heading B6J. [Also in Divisions D1 and D2] A web, sheet, or film is textured in a shrinkage press between a smooth elastomeric surface and a contractible patterned surface with there being sufficient pressure between the surfaces to prevent the material being creped. The elastomeric surface is either a rubber belt or a rubber-covered roller, while the patterned surface is formed by a woven belt of nylon, polyester, or rubberized material. The woven belt may be backed by a rubber layer. The web or sheet may be printed in the press by dye or pigment being applied to the woven belt by means of a blade, regulated spray, or roller applicator. The web may be kraft paper having 30%-45% moisture, dry or slightly moist tissue, or a non-woven material.
Patent GB-1311296-A (GB)
Title: Shampooing of nap surfaces of carpets and the like
IPC: A47L11/32
Filed: 1970-08-07
Abstract: 1311296 Cleaning carpets BISSELL Inc 7 Aug 1970 [8 Aug 1969] 38268/70 Heading A4F Apparatus for applying shampoo foam to a carpet comprises a sponge 12 arranged to receive liquid shampoo from a distributor 9 and means, e.g. an oscillatable brush comprising a backing rod 18 carrying bristles 19, for alternately engaging and disengaging from the sponge to squeezingly beat it to cause foam generation and for working the generated foam into the carpet. The rod 18 is oscillated about the axis of a shaft 23 by crank mechanism 24 driven by an electric motor 26. The apparatus includes a frame 5 mounted on rollers 7 and movable over a carpet by a handle 1, Fig. 1 (not shown) to which a reservoir for shampoo liquid is secured. The liquid passes from the distributor 9 through spaced openings and flows to the sponge 12 over the inclined upper surface of a non cellular plastics member 13 to which the sponge 12 is secured.
Patent GB-1027177-A (GB)
Title: Conveyor type heat transfer apparatus
IPC: F26B5/06
Filed: 1962-11-08
Abstract: 1,027,177. Endless conveyers. HUPP CORPORATION. Nov. 8, 1962 [Nov. 13, 1961; Oct. 31, 1962], No. 38559/64. Divided out of 1,027,176. Heading B8A. [Also in Division F4] An endless conveyer utilized in a drying apparatus comprises a relatively thin, endless, metallic, heat conductive, flexible, corrosion resistant belt having a polished, radiation reflective, low emissivity, outer surface carrying the material to be dried and an inner, heat conductive, highly radiation absorptive and emissive force, e.g. a coating of black oxide or glass frit.
Patent GB-914246-A (GB)
Title: Butadiene polymers and their preparation
IPC: C08F136/06
Filed: 1958-12-01
Abstract: Butadiene is polymerized in the presence of a catalyst formed from a dialkyl or diaryl aluminium halide and a compound of a metal of Group VIII, to form products having more than 90% cis-1,4 enchainment and a melting point of near 0 DEG C. and not less than -2,5 DEG C.  The Group VIII metal compound may be a halide, sulphate, phosphate, sulphide, carbonate, nitrate, neutral or basic acetate, oxide, hydroxide, cyanide, sulphocyanide, propionate, butyrate, oxalate or benzoate of iron, cobalt, nickel, palladium, platinum, osmium, iridium, rhodium, or ruthenium, preferably in a valency state below the maximum.  A hydrated salt may be used if excess aluminium compound is used to replace the part destroyed by the water.  The mol. ratio of aluminium to heavy metal is preferably less than 1. Reaction is effected in an inert hydrocarbon or excess butadiene containing at least 0,5 millimols of aluminium compound and 0,2 millimols of heavy metal compound per litre.  The catalyst is homogeneous and may be prepared in a solvent and any insoluble material removed by filtration.  Temperatures of -25 DEG  to 70 DEG C. may be used, the lower ranges being preferred.  The products are crystallizable by stretching after the necessary vulcanization or by cooling. Specifications 848,065 and 873,046 are referred to.
Patent GB-1487175-A (GB)
Title: Anti-piping compositions containing exfoliable graphite compounds
IPC: B22D27/06
Filed: 1974-12-13
Abstract: 1487175 Anti-piping composition ROBSON REFRACTORIES Ltd 13 Dec 1974 [21 Sept 1973 15 Dec 1973] 38672/73 and 58207/73 Heading C5G [Also in Division B3] A pulverulent anti-piping composition comprises a predominant weight proportion of refractory material and, dispersed in the composition, 0À4-8% by wt. of an exfoliable graphitic compound. The graphitic compound may be acid-treated graphite. The composition may contain firebrick grog, calcined alumina, ball mill dust, aluminium, iron oxide, expanded perlite and combustible material (e.g. wood flour).
Patent GB-819440-A (GB)
Title: Improvements in the purification of emulsified aqueous effluents
Inventor: BLUNDELL REGINALD WALTER
IPC: C02F1/52
Filed: 1956-12-19
Abstract: Aqueous effluents are freed from emulsified oily contaminants such as hydrocarbons and mineral oils by the addition of a salt comprising sulphate of one or more of the rare earth metals cerium, lanthanum and neodymium.  A specified salt, in the form of a double salt of the mixed rare earth sulphates with an alkali metal or ammonium sulphate, is obtained as a by-product in the extraction of thorium from monazite.  The salt is dissolved in water and added to the effluent thereby producing a floating flocculated layer which is separated off by passing it over a weir.  The salt is recovered from the layer by adding thereto dilute sulphuric acid so that separation into two layers occurs, an upper layer containing oily contaminants, and an acid, lower, aqueous layer containing the salt which may be recovered and re-used, if necessary after neutralising the excess acid.  In an example a salt comprising sulphates of cerium, lanthanum and neodymium in the proportions 5 : 2 : 2 is added in aqueous solution to an effluent contaminated with up to 0,1 per cent. of kerosene and kerosene thermal decomposition products, the proportion of rare earth solution to effluent being six parts per million.  The upper layer obtained when the flocculated layer is acidified is mainly kerosene which is burned as waste or used as a crude fuel, while the lower layer, after neutralisation with dilute ammonia solution, is used for further treatment of effluent.
Patent GB-1149178-A (GB)
Title: Backrest height adjustment apparatus for chairs and the like
IPC: A47C7/40
Filed: 1966-08-30
Abstract: 1,149,178. Adjustable back-rests. STEELCASE Inc. 30 Aug., 1966 [21 Oct., 1965], No. 38722/66. Heading A4J. The back-rest 10 of an office chair is slidably adjustable along a vertical resilient support bar 14, and is retained at a selected height by a ball detent, in which ball 32 is wedged, by resiliently urged inclined surface 34, in one of a series of recesses 20, in the bar 14. On manually raising slide 30, the ball 32 falls out of recess 20 and the rest 10 can be freely moved to a new selected position. The range of vertical adjustment of the seat 10 is limited by the engagement of screw 22 in slot 24.
Patent GB-345273-A (GB)
Title: Improved woven cloth or fabric
IPC: D03D27/08
Filed: 1929-12-19
Abstract: 345,273. Coated fabrics. HOLT, W., Woodleigh, Woolfold, Bury, Lancashire. Dec. 19, 1929, No. 38884. [Class 140.] A pile fabric having a terry warp of braided, plaited, or woven cords or tapes is impregnanted on the back with rubber or balata &c. The braids may be cotton, flax, or wool, &c. and may be round, tubular, or flat.
Patent GB-1439771-A (GB)
Title: Processing control system for electrostatic printing machines
IPC: G03G21/14
Filed: 1973-08-17
Abstract: 1439771 Electro-photographic apparatus XEROX CORP 17 Aug 1973 [30 Aug 1972] 39013/73 Heading G2H [Also in Division H1] Toothed wheel 33 rotates in dependence on the movement of endless photo-conductive belt 12 and produces a succession of pulses by interaction of its teeth 34 with magnetic pick-up 35 as they pass it. The pulses are counted, starting from a datum when the leading edge of a copy sheet is released by fingers 45, and the exposure lamps L, development apparatus 17 and heat-fixing means 24 are actuated in accordance with the count. Five or more sequences of actions may be maintained simultaneously, associated with successive exposed lengths of the belt 12.
Patent GB-1461184-A (GB)
Title: Process for the manufacture of 5-fluorocytosine
IPC: C07D239/34
Filed: 1974-09-06
Abstract: 1461184 5-Fluorocytosine; 2-ethoxy-5-fluoropyrimidines F HOFFMANN-LA ROCHE & CO AG 6 Sept 1974 [7 Sept 1973] 39015/74 Heading C2C 5 - Fluorocytosine is prepared by hydrolysis of a 2-ethoxy-4-amino-5-fluoropyrimidine of general formula The reaction is preferably effected using a strong mineral acid such as HCl in excess and converting to the free base by addition of NH 3 . 2 - Ethoxy - 4 - amino - 5 - fluoropyrimidines are prepared by treatment of the corresponding 4-chloro-derivative with NH 3 . 2 - Ethoxy - 4 - chloro - 5 - fluoropyrimidines are prepared by chlorinating a corresponding 2-ethoxy 5-fluoro-4(3H)-pyrimidinone in the 4-position.
Patent GB-1125806-A (GB)
Title: Plasma guns
IPC: H05H1/42
Filed: 1965-09-13
Abstract: 1,125,806. Spraying fusible materials. SIEMENS-SCHUCKERTWERKE A.G. 13 Sept., 1965 [12 Sept., 1964], No. 39061/65. Heading B2F. [Also in Divisions B3 and H5] A plasma spray gun comprises a cathode 2 extending into a cylindrical anode 8 containing a nozzle 9, the cylindrical anode acting as a plasma-forming chamber, the arc being arranged not to reach the nozzle; and a powder duct 14 from which powder may be sucked into the plasma at a point just beyond the nozzle. After passing through a focussing channel 11 the plasma passes through an orifice in a water cooled diaphragm 27 to eliminate the cool edge zones from the plasma jet 26. Electrical connections are taken to the inlet 20 and outlet 5 of a water-cooling system and thence via various metallic parts of the gun to the electrodes, shunt paths for the current being eliminated by the use of insulating material at 6, and by the use of distilled water in the cooling system. The gas is fed to the arc chamber by the duct 7, and may be an argon-nitrogen or argon-hydrogen mixture. The various components are arranged to be held in position merely by a screw threaded member 21 pressing on an insulating disc 22. A Laval nozzle may be attached to the end of the channel 11 to produce a jet of supersonic speed. If the powder container is some distance from the gun, it may be pressurized to assist flow to the duct. The arrangement is said to be self-regulating as regards powder supply, the suction increasing both in accordance with the gas supply and the power supply to the arc. With the powder inlet closed the gun may be used for cutting materials which are poor conductors of heat or, if fed with a corrosive gas, and used with a Laval nozzle for bringing about a chemical reaction.
Patent GB-1184435-A (GB)
Title: Improvements in or relating to Means for Coupling Tubular Members
Inventor: ANDERTON CYRIL
IPC: F16L37/096
Filed: 1966-09-01
Abstract: 1,184,435. Pipe joints. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 16 Aug., 1967 [1 Sept., 1966], No. 39191/66. Heading F2G. [Also in Division G6] A nuclear fuel element assembly has its two parts connectable together by a releasable coupling comprising two cylindrical tubular members 1, 5, Fig. 1, a rotatable and non-axially movable sleeve 17 captive on the end of one member, the sleeve and the other member being movable axially and rotationally relative to each other to engage lugs 20, 23 one behind the other to provide a tensile load-bearing connection and releasable locking means for preventing relative rotation between the sleeve and the other member when the connection has been made. Tube 1, Fig. 1 is the uppermost non- fuel-supporting tube of a fuel part on which is welded a four-legged spider 7 carrying a boss 9 and tie rod 10 which carries at its lower end (not shown) stacked fuel rod supporting tubes. To release the coupling the weight of the fuel element assembly is relieved and a release tool (not shown) is used to move pads 28 inwardly against the loading of leaf springs 25 until they are free of recesses 24 in sleeve 17 and the springs 25 are free of lugs 20. This frees sleeve 17 for rotation by the release tool about sleeve 2 until the lugs 20 of sleeve 17 are moved into engagement with the spaces between the lugs 23 of tube 5 so that disengagement can be effected by moving the tubes 1, 5 apart. Reconnection is effected in the reverse manner. Specifications 889,536, 897,450 and 1,068,631, are referred to.