baber/WOPTO huggingface dataset:
Patent GB-1533495-A (GB)
Title: Swings
IPC: A63G9/02
Filed: 1977-10-04
Abstract: 1533495 Swinging seats STAINES METAL PRODUCTS (GROUP) Ltd 4 Oct 1977 [5 Oct 1976] 41353/76 Heading A4J [Also in Division A6] A cradle type swing seat comprises a vehicle tyre 1, a seat member 3 spanning the central hole of the tyre and a cradle structure 2 secured to one side of the tyre. The cradle 2 preferably comprises a plurality of tubular posts 6 having bolts 5 passing therethrough and through tyre 1 and used to clamp the seat 3 against the inside of the tyre. The cradle 2 preferably includes at least one closed ring element 7 to form a safety bar.
Patent GB-1131658-A (GB)
Title: Improvements in or relating to vats
IPC: F16J13/12
Filed: 1966-09-19
Abstract: 1,131,658. Textile treating apparatus; pressure-resisting doors. VALD. HENRIKSEN A./S. 19 Sept., 1966 [23 Sept., 1965], No. 41626/66. Heading F2P. [Also in Division D1] A vat, particularly for bleaching and dyeing textiles, having a circular lid with a sealing packing between the wall of the vat and the edge of the lid is characterized in that a number of pins 3 are distributed around the circumference of a flange 2 at right-angles to the wall 1 of the vat, the pins 3 being provided, on the side facing towards the centre of the vat, with notches 4 of a height corresponding to the depth of the lid edge portion 6, the lid edge portion 6 being provided with recesses corresponding in number and form to the pins such that the pins and recesses engage, and on turning the lid relative to the vat, the edge portion moves into the notches of the pins and locks the lid in position. The flange preferably projects outwardly from the wall of the vat to avoid hampering the entrance to the vat. The pins are preferably cylindrical and the recesses of circular arc form. The pins may be welded to the flange or may be in the form of bolts screwed into position.
Patent GB-1372876-A (GB)
Title: Elastomeric retro-reflective road surface marker
IPC: E01F9/07
Filed: 1971-09-07
Abstract: 1372876 Road surface markers MINNESOTA MINING & MFG CO 7 Sept 1971 41755/71 Heading E1G A deformable road surface marker comprises an upstanding elastomeric reflector portion 12 capable of being depressed into an underlying recess 13 in an elastomeric base portion 11, the reflector portion 12 consisting of, or carrying an adhered sheet, Fig. 3 (not shown) of a retro-reflective structure comprising an elastomeric material having many hundreds of minute discrete retro-reflective elements (such as glass beads) partially embedded in its surface. The recess 13 may be open-ended. The base portion 11 can be adhered to the road by a thick layer of mastic. The term elastomer is used in the specification to describe substances which can be stretched at room temperature to at least twice their original length, and which will return with force to approximately their original length.
Patent GB-1501954-A (GB)
Title: Polyester reinforced rubber articles
IPC: B29B15/00
Filed: 1975-10-13
Abstract: 1501954 Improving adhesion to rubber AIR PRODUCTS & CHEMICALS INC 13 Oct 1975 [12 Dec 1974] 41862/75 Addition to 1395949 Heading DIP  In the fabrication of polyester reinforced rubber goods e.g. tyres or transmission belts, a polyester fibre reinforcement material which may be a filament, yarn, cord or fabric, is contacted with a fluorine containing gas comprising up to 20% by volume fluorine and not more than 5% by volume of oxygen whereby its adhesion is enhanced when it is subsequently incorporated in the rubber goods. The gas preferably contains less than 5% fluorine e.g. 0.01-2% and is substantially free of oxygen, the quantity of fluorine added to the polyester being from 4 x 10<SP>-7</SP> to 4 x 10<SP>-1</SP> mg F/cm<SP>2</SP> during a contact time of less than 15 minutes. The carrier gas may be nitrogen. The fluorination is followed by a conventional resorcinol-formaldehyde-latex dip treatment followed by high temperature curing before incorporation of the reinforcement into the rubber goods.
Patent GB-1323149-A (GB)
Title: Methods for the regeneration of ion exchangers
IPC: B01J49/00
Filed: 1970-09-02
Abstract: 1323149 Ion-exchange DEGREMONT SOC GENERALE D'EPURATION ET D'ASSAINISSEMENT 2 Sept 1970 [14 Oct 1969] 41910/70 Heading B1J Two layers of ion-exchangers 3 and 4 either both anionic or cationic are regenerated by liquid introduced at 7. The top layer is further regenerated by another liquid introduced at 9 which can be heated. Water can also be introduced at 9. Reference has been directed by the Comptroller to Specification 1,172,564.
Patent GB-861947-A (GB)
Title: Portable collapsible stove
IPC: F24B1/02
Filed: 1959-12-10
Abstract: 861,947. Portable stoves. OTT, R. H., and KOONTZ; R. Dec. 10, 1959 [Dec. 17, 1958], No. 42082/59. Class 126. In a portable collapsible stove, each of four identical side panels A-D, Fig. 1, has verticallyslotted ears such as A<SP>1-4</SP> projecting from each side edge by which adjacent panels are detachably interlocked at each corner. The slots B<SP>8</SP>, B<SP>9</SP>, Fig 6, at one edge face downwardly to engage the upwardly facing slots A<SP>6</SP>, A<SP>7</SP> of the adjacent panel. To assemble the stove, the panels are interlocked at three corners, the ears E' of an imperforate base E are inserted in holes A", B" etc. and the panels are interlocked at the fourth corner. Each panel has a leg at one corner. A resilient grid F has pintles F<SP>4</SP>, F<SP>5</SP> which pivot in holes B<SP>10</SP>, D<SP>10</SP>.
Patent GB-1322159-A (GB)
Title: Process for the production of acetone-dicarboxylic acid esters
IPC: C07C67/00
Filed: 1971-09-13
Abstract: 1322159 Acetone-dicarboxylic acid esters LONZA Ltd 13 Sept 1971 [15 Sept 1970] 42630/71 Heading C2C Acetone-dicarboxylic acid esters are prepared by reacting phosgene at - 10 to +20 C. with a stoichiometric excess of ketene, preferably 3 to 5 moles ketene per mole of COCl 2 , in a liquid reaction vehicle which is an organic ester and/or ether and/or non-halogenated aromatic hydrocarbon and which has a dielectric constant of 2 to 8 measured at 25 C., and, without isolating the resultant acetone-dicarboxylic acid chloride, reacting it with an alcohol to produce the ester. The ketene used is preferably that obtained by depolymerization of diketene and preferred reaction vehicles are ethyl acetate and dioxane. The esterification step is preferably carried out under reflux and the ester may be isolated by vacuum distillation of the concentrated reaction mixture. The example describes the preparation of the diethyl ester of acetone-dicarboxylic acid.
Patent GB-1529708-A (GB)
Title: Contact lens composition
IPC: B29D11/00
Filed: 1975-10-21
Abstract: 1529708 Graft polymer based on polyvinyl pyrrolidone WARNER-LAMBERT CO 21 Oct 1975 [21 Nov 1974] 43133/75 Heading C3P [Also in Division G2] A composition for the production of a contact lens consists of graft polymer containing 67À2 to 79À3% hydroxyethyl methacrylate, 14À25 to 32À4% polyvinyl pyrrolidone, 0À1 to 4À04% ethyleneglycol dimethacrylate, 0À1 to 2À5% methacrylic acid, 0À1 to 5% water, 0 to less than 4À0 p.p.m., based on the weight of hydroxyethyl methacrylate, of hydroquinone inhibitor and 50 to 250 p.p.m. of the methyl ether of hydroquinone. The graft polymer composition is produced by polymerization using only a low temperature initiator, in the substantial absence of oxygen and with an initial polymerization being conducted at 23‹ to 30‹ C. with a variation of not more than 4‹ C. for 16 to 36 hours with the heat of the reaction being continuously absorbed by, e.g. a water bath. The polymerization may be carried out in a tubular mould of the type disclosed in Specification 1,529,709 to yield a rod which is machined, cut and polished to form lenses.
Patent GB-1302590-A (GB)
IPC: H01G7/02
Filed: 1970-09-09
Abstract: 1302590 Electrets KUREHA KAGAKU KOGYO KK 9 Sept 1970 [10 Sept 1969 (2) 14 Nov 1969] 43209/70 Heading H1M In the manufacture of an electret a member of electret-forming material is coated or covered, before or after the electret-forming process, with a surface layer of material of greater insulating strength. The electretforming material may be a film or sheet of polyethylene, polypropylene, polystyrene, polyvinylidene fluoride or a mixture of polyvinylidene fluoride with polymethyl methacrylate, and the covering may be polycarbonate, polystyrene, polymethylinethacrylate p.t.f.e., polyethylene terephthalate or polypropylene. The covering may be applied as a preformed film or in solution. Preferably its volume resistivity is greater than 10<SP>15</SP> ohm.-cm. The sheet or film may be perforated between electret formation and coating.
Patent GB-432215-A (GB)
Abstract: 432,215. Lubricating rotary compressors. OGILVIE, H., 38, St. Augustine's Road, Camden Square, London. Jan. 23, 1934, No. 2390. [Class 12 (iii)] [See also Group XXVI] A rotary compressor provided with oil injection cooling means drives a governor, which may be a gear pump or a centrifugal ball governor, to prevent oil flooding the compressor when the speed is reduced, or the compressor stopped. Air enters a compressor 1 and is delivered through a pipe 5 to a separator 7, where the oil is freed and returned by way of a cooler 9 and filter 10 to branch pipes 12, and then injected into the working space. In the plant illustrated, a gear pump 17, driven by the compressor shaft, maintains oil pressure on pistons 27 and 24, a resistance such as a needle valve 23, and a tank 21, open to atmosphere, being incorporated in the oil circuit. As the pump 17 slows down, the oil pressure is reduced, and a valve 14 closes the oil supply line 11 ; at the same time a valve 15 is opened by a spring 31 and air pressure in the separator 7, to release the pressure on the oil cooler system 9. A non-return valve 16 closes to prevent back-flow of air into the separator. The valve 14 could be used alone. In place of the pump 17, a centrifugal ball governor could be used, the sliding sleeve of the governor being coupled to the valves 14, 15, through links or cables, or electrical means. The cylinders 19, 29, may be replaced by one cylinder connected to a rocking beam, to which the valve spindles are pivoted. The compressor may be driven by a steam or internal-combustion engine, and the above governor may be adapted to control the engine throttle. The type of compressor may be as described in Specifications 379,712, and 406,051, [Group XXVI].
Patent GB-1049089-A (GB)
Title: Pigmented polymer composition
IPC: C08L33/06
Filed: 1965-10-12
Abstract: A pigmented polymer composition contains a vinylidene fluoride polymer, TiO2 pigment and from 1-50% by wt. based on the wt. of vinylidene fluoride polymer, of an acrylate polymer derived from one or more monomers of the formula CH2=C(R1)COOR2, where R1 is hydrogen or methyl and R2 is C1-C4 alkyl, and which may contain a minor proportion of polymerized units derived from one or more copolymerizable monoethylenically unsaturated comonomers. The compositions may be prepared by solid mixing, e.g. melt blending, or by dispersion mixing, e.g. milling in an organic liquid medium which is a solvent for the acrylate polymer and is a latent solvent for the polyvinylidene fluoride, or by solution preparation. Suitable comonomers for the acrylate copolymers are styrene, alpha-methylstyrene, acrylic and methacrylic acid.
Patent GB-903799-A (GB)
Title: Improvements in fusible links
IPC: H01H85/055
Filed: 1960-12-16
Abstract: 903,799. Fusible links. MATHER & PLATT Ltd. Dec. 16, 1960 [Dec. 28, 1959], No. 43320/60. Class 47. A fusible link, suitable for holding fire doors or skylights, comprises a pair of plate elements 11 and 12 and a locking member 19 which extends through a hole 18 in element 12 into a depression 15 in element 11 and sits on bosses 21 there where it is retained by fusible solder. The flat portions of elements 11, 12 may also be joined by solder.
Patent GB-1446405-A (GB)
Title: Valve actuator for pressurised dispensers
IPC: B65D83/16
Filed: 1974-10-07
Abstract: 1446405 Valve actuator for pressurized dispensers AEROSOL INVENTIONS & DEVELOPMENT SA 7 Oct 1974 [5 Oct 1973] 43329/74 Heading F1R A valve actuator has a base portion 1 having a flange 9 for securing the actuator to a valve cap 2, and a flange 10 for supporting an over-cap 7. A nozzle 12 is connected between its ends to a sleeve 13 having an operating lever 6 and carried by a resilient diaphragm 14 and a strut 15, both being connected to the base for relative movement thereto and forming with the valve cap 2 a chamber 28. A groove 29 connects the nozzle passage to the chamber 28 so that depression in the chamber 28 caused by the discharge through the nozzle and by upward movement of the diaphragm 14 on release of the valve operating lever 6 sucks residual product into the chamber. The over-cap 7 has a nozzle receiving socket 22 and is initially connected to the base 1 by a tear strip 18.
Patent GB-1000419-A (GB)
Title: Thermostatically controlled clutch mechanism
Inventor: FERRIS ERNEST A
IPC: F01P7/08
Filed: 1961-12-04
Abstract: 1,000,419. Friction clutches. BORGWARNER CORPORATION. Dec. 4, 1961, No. 43356/61. Heading F2C. A spring-released speed and temperatureresponsive friction clutch between a freely mounted motor-vehicle engine cooling fan 14 and a driving member 10, bolted to a fan belt pulley 30 fast on a water pump shaft 26, is engaged by the thermal expansion of an expansible material in a cylinder 82 mounted on a freely mounted fan-spider assembly 26, such expansion acting through a piston 80 to turn a radial lever 65 having an axial end tab 72 which expands the free leading end of a clutch band 16 into engagement with a driving drum 34 on the driving member 10. A mass 63, secured to the band leading end assists engagement centrifugally, and a spring 86 acts on the lever 65 to release the clutch with a snap action at a lower temperature than that of engagement. The trailing end 61 of the clutch band 16 is anchored in a radial slot 60 of the driven spider 46 which together with the fan 14 and plate 66 are mounted on bearings 52 on a stub shaft 54 fast in the outer end of the driving member 10. Specification 1,000420 is referred to.
Patent GB-1274654-A (GB)
Title: Improvements in or relating to paper sizing
Inventor: MILNER WILLIAM DEREK
IPC: C09K23/00
Filed: 1968-09-12
Abstract: 1,274,654. Aqueous emulsions. LAPORTE INDUSTRIES Ltd. 20 Nov., 1969 [12 Sept., 1968], No. 43381/68. Heading B1V. [Also in Divisions C3, D1 and D2] An aqueous emulsion suitable for use in paper sizing comprises as a continuous phase, an aqueous solution of at least one basic aluminium salt containing a cationic water-soluble or water-dispersible starch and as the dispersed phase, a hydrophobic material. The cationic starch may be an amine modified starch, i.e. starch containing tertiary amino or quaternary ammonium groups and which may be made by etherifying with an etherifying agent containing a tertiary amino group e.g. dialkylaminoalkyl halides, or treating such a modified starch with an alkyl halide to give the quaternary ammonium grouping. The basic aluminium salt may be a salt of tertaric, acetic, formic, oxalic, maleic, glycollic, citric and malonic acids, or of an inorganic acid whereupon it has the formula Al(OH) n X 6-n  where X=NO 3  or a halogen atom and n#3 e.g. aluminium chlorohydrate. The hydrophobic material may be a paraffin wax, microcrystalline wax, polyethylene and related waxes, high molecular weight fatty alcohols and high molecular weight fatty amides. Sodium pentachlorophenate may be added as a preservative. The emulsion was prepared by pasting the starch with water diluting heating and stirring. The wax was melted and added to the aqueous starch. The aluminium chlorohydrate was then added with stirring and agitated. Water was added and the mixture passed through an ultrasonic emulsifier before being cooled rapidly. The emulsion was then added to an aqueous paper pulp suspension to provide from 0.5%-1.0% by weight of wax based on the dry weight of fibre in the suspension. The pulp may contain TiO 2 , CaCO 3  or clay as a filler.
Patent GB-1260430-A (GB)
Title: Method and apparatus for improving the stability of an earthmoving bowl-type scraper during unloading
Inventor: ANDERSON RODNEY HUGH
IPC: E02F3/64
Filed: 1969-09-03
Abstract: 1,260,430. Earth-moving, bowl type scrapers. CATERPILLAR TRACTOR CO. 3 Sept., 1969, No. 43533/69. Heading E1F. In a bowl scraper having an elevator 26 extending upwards from a front, scraper edgecarrying bowl part 19 pivotally mounted about a transverse axis 23 on the rear part 13 of the bowl to allow of control of the size of a discharge opening 25 between the floors of the two parts 13, 19, the elevator 26 and bowl part 19 are so incorporated in the scraper that on commencement of forward movement of the front part 19 prior to discharge of contents of the part 13 relative vertical movement between the elevator and the front part occurs and is maintained to allow the front part to swing forward beneath the elevator. Either the elevator is moved vertically by associated cam followers 33 engaging cam tracks 34 on the front or top edges of the side arms 21 of the front or by jacks extending from the scraper to the elevator.
Patent GB-1068910-A (GB)
Title: Molding composition
IPC: C09D129/12
Filed: 1963-11-05
Abstract: A thermosetting molding composition comprises (1) 40-95% by weight based on the resin solids of the composition of a vinyl-polymerized polymer of an alpha, beta-unsaturated aldehyde, prepared in the presence of a redox catalyst, at least 80% of the carbonyl groups of said polymer having been acetalized, (2) 5-60% by weight based on the resin solids of the composition of a polyol having a hydroxyl value of a polyol having a hydroxyl value of above 1400 and up to 1800, and (3) 0.1-10% by weight based on the aldehyde polymer (1) of an acid catalyst.  The polyol is preferably trimethylol propane, a reaction product of trimethylol propane and propylene oxide, a reaction product of propylene oxide and a copolymer of styrene and an active hydrogen containing monomer, a polyester resin, or a reaction product of sucrose with ethylene oxide and/or propylene oxide.
Patent GB-993880-A (GB)
Title: Improvements in or relating to methods and apparatus for pulling crystals from a melt
IPC: C30B15/30
Filed: 1962-11-20
Abstract: 993,880. Crystal-pulling. PHILLIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Nov. 20, 1962 [Nov. 23, 1961], No. 43865/62. Heading BIS. Crystal-pulling is effected in a closed vitreous quartz tube 1 using a seed 6 attached to the upper end of the tube and a melt 29 heated by an induction coil 22 and contained in a graphite crucible 7 attached to a ferromagnetic body 10 of rectangular cross-section, Fig. 2, and having graphite bearing members 15 and 16, movement of body 10 with respect to tube 1 being effected by means of electromagnetic polepieces 24 outside the tube. Body 10 may be maintained stationary while tube 1 is moved upwards at a speed of 0À5 mm./minute and revolved at 15 rev./minute. Tube 1 may be mounted in a graphite bearing 23 within an outer vitreous quartz tube 19. In the pulling of gallium arsenide, tube 19 may carry resistance heating coils 19 and 20 to provide 1 atmosphere excess pressure of arsenic. The melt of gallium arsenide may be preformed or formed in situ. "Germanium, silicon, or cadmium telluride may alternatively be pulled.
Patent GB-968959-A (GB)
Title: Improvements in or relating to the melt-spinning thermoplastic polymers
IPC: B29C48/06
Filed: 1962-11-21
Abstract: 968,959. Melt spinning spinnerets. ONDERZOEKINGSINSTITUUT RESEARCH N.V. Nov. 21, 1962 [Nov. 30, 1961], No. 44008/62. Heading B5B. Continuous filaments &c. are formed by extruding a molten synthetic organic thermoplastic polymeric material through a spinning nozzle which is surrounded by a heat-insulating ring or cylinder jacket and the face or lower surface of which is generally horizontal and is concave or recessed. At least the extrusion orifice of the nozzle is below the surface of the cooling liquid and the melt is extruded downwardly into the cooling liquid, the boiling point of which is below the temperature of the face of the nozzle so that a vapour bubble is formed and maintained between the lower surface of the nozzle and the cooling liquid and thermally insulates the lower surface of the nozzle. The cooling liquid may be de-aerated water. As shown in Fig. 1, the spinning nozzle 2 is provided with a duct 3 through which the melt is forced and extruded through an orifice 4 to form a filament 12. The lower surface 5 of the nozzle is concave and has the form of a cone having an obtuse apex angle, e.g. an angle of 160 degrees. The nozzle is surrounded by a metal cylinder 6 concentric therewith, the air-filled annular space between the cylinder and the nozzle serving to insulate the latter thermally. The cylinder 6 is attached to the nozzle by means of a metal plate 7 the lower surface of which forms a continuation of the lower surface 5 of the nozzle. During the spinning operation, the spinning nozzle and jacket assembly 1 is partially immersed in de-aerated water 10, the level of which 11 is above that of the extrusion orifice 4. A steam bubble forms against the lower surface 5 of the nozzle and of the plate 7 and is trapped and maintained there owing to the concavity of these surfaces. The nozzle 2 may be surrounded by a solid annular or cylindrical insulating jacket of material of low thermal conductivity comprising a mixture of powdered asbestos and magnesium oxide which has been sintered under heat and pressure. The spinning nozzle may be provided with a number of extrusion orifices which may be located around the centre of the lower surface 5 of the nozzle or may be located along a straight line. In the latter case the concave or recessed lower surface of the nozzle may have the form of a V-groove constituting the apex edge of a horizontal prism of triangular cross section.
Patent GB-868190-A (GB)
Title: Improvements in coupling means for railway rails
IPC: E01B11/14
Filed: 1959-12-20
Abstract: 868,190. Railway rail couplings. GREENWOOD, P. Dec. 29. 1959 [Jan. 2, 1959], No. 44123/59. Class 104 (2). Adjacent ends of railway rails 11 are coupled together by a rigid metal-sleeve 12 shaped to be a sliding fit on the bottom flanges 14 of the rails 11 so as to cover their bottom surface 13 and to extend at 15 halfway from the flange edges to the rail webs 16 and having spiked projections 17 extending downwardly from the bottom thereof. The sleeve is also provided with a dimple 18 which extends upwardly between the adjacent ends of the rails 11.
Patent GB-432877-A (GB)
Title: Improvements in systems for transmitting electrical signals in dependence on variable conditions
IPC: G08C19/22
Filed: 1934-02-06
Abstract: 432,877. Pressure gauges. HODGSON, J. L., Egginton House, near Leighton Buzzard, Bedfordshire. Feb. 6, 1934, No. 441/33. [Class 106 (ii)] [See also Group XXXVIII] A differential pressure device used for the electric signalling of rate of fluid flow comprises U-tube 4, 5 connected on opposite sides of a restriction in a pipe line and having floats 1, 2 resting on mercury, linked together, and connected to an arm 12 on spindle 13 carrying an external arm 17 which controls the signalling device. For lubrication purposes, spindle 13 is mounted in an inverted pocket 14 filled with grease and which floats on the liquid in the U -tube,
Patent GB-1132574-A (GB)
Title: Method of and apparatus for cutting or slitting film material
Inventor: FISHER JOHN HAROLD
IPC: B23K15/08
Filed: 1965-10-19
Abstract: 1,132,574. Cutting film material. UNITED GAS INDUSTRIES Ltd. 16 Dec., 1966 [19 Oct., 1965], No. 44306/65. Heading B4B. Apparatus for cutting or slitting film material 4 comprises an electron beam gun 5, and means for moving the material relative to the path of the beam 6 emitted from the gun. The material, which may be paper, thin plastics material or substrates, is unwound from a reel 2 and taken up on a reel 3. The material may be in the form of sheets coated with strips of deposited metal, the sheets being divided into strips by cutting along the bands of uncoated material. Slitting may be carried out by using multiple source beams.