baber/WOPTO huggingface dataset:
Patent GB-606611-A (GB)
Title: Improvements in push-button electric switches
IPC: H01H13/58
Filed: 1946-01-16
Abstract: 606,611. Mechanical switches without quick action. WEEKES, W. G. Jan. 16, 1946, No. 1546. [Class 38 (v)] Successive depressions of a spring-returned button 20, having a uni-directional driveconnection with a rotary-body 16, move a Z. shaped spring-contact-blade 14 carried thereby alternately into and out of bridging-engagement with arcuate-contacts 6, 7, which co-operate with a ratchet-like recess 5 in the base 1, so as to permit the blade 14 to rotate in one direction only. The button 20 has a helix 19, non- rotatably guided by lugs 25, and engageable with a disc 27 having a plurality of resilientpawls 28 engageable with a ratchet-surface of the rotary-body 16, so that the body will rotate with the disc 27 when the button is depressed, but remain stationary when it is returned by its spring 26.
Patent GB-984731-A (GB)
Title: Process for the production of laminates or rigid shaped products
IPC: B29C70/00
Filed: 1963-01-14
Abstract: A process for the production of rigid shaped articles, which may have reinforcing material embedded therein, comprises subjecting to polymerizing conditions a fluid composition having an absolute viscosity of 30 to 3000 centipoises at 0 DEG C. and comprising a dispersion of a finely-divided vinyl chloride homopolymer or copolymer of at least 95 weight per cent vinyl chloride with not more than 5 weight per cent of one or more ethylenically unsaturated compounds in a mixture of a vinyl aromatic hydrocarbon and either (a) a dialkyl fumarate in which each alkyl group contains 2 to 8 carbon atoms, or (b) a cyclohexyl or alkyl ester of acrylic or methacrylic acid in which the alkyl group contains 4 to 12 carbon atoms, said composition having incorporated therein a minor proportion of peroxide polymerization catalyst or initiator.  Specified copolymers are copolymers of vinyl chloride with vinyl acetate, vinyl propionate, methyl acrylate, butyl acrylate, methyl methacrylate, lauryl methacrylate and vinylidene chloride.  Specified vinyl aromatic hydrocarbons are styrene, the vinyl toluenes, vinyl xylene and ethylvinyl benzene. Specified esters are diethyl, dibutyl, dihexyl and di-2-ethylhexyl fumarates; butyl, hexyl, 2-ethylhexyl, lauryl and cyclohexyl acrylates; and butyl, hexyl, 2-ethylhexyl and cyclohexyl methacrylates.  Specified catalysts are benzoyl peroxide, acetyl peroxide, lauroyl peroxide, dicumyl peroxide, #t-butyl perbenzoate, #t-butyl peracetate and di-#t-butyl diperphthalate.  The compositions may also comprise pigments, dyes, antioxidants, inhibitors and stabilizers, e.g. dibutyl tin dilaurate, barium/cadmium soaps and organotin mercaptides.  The compositions may be used to coat or impregnate reinforcing materials, e.g. mats or sheets of cloth, wood fibres, cotton linters, glass fibres, glass cloth; and then cured by heating to polymerize the monomers to produce reinforced polymeric products. Examples describe the curing in moulds of compositions reinforced with chopped strand fibre glass and comprising polyvinyl chloride, vinyl toluene (mixture of meta and para isomers), dicumyl peroxide and dibutyl tin dilaurate together with (1, 3, 4 and 7) diethyl fumarate; (2) diethyl fumarate, dibutyl fumarate, di-2-ethylhexyl fumarate, butyl acrylate, cyclohexyl acrylate, lauryl acrylate or butyl methacrylate; (5) di-2-ethylhexyl fumarate; or (6) butyl methacrylate.
Patent GB-136685-A (GB)
Title: Improvements in Carburettors for Internal Combustion Engines.
Inventor: COPSON THOMAS CHARLES
IPC: F02M17/36
Filed: 1919-01-22
Abstract: 136,685. Copson, T. C., and Peirson, E. F., (Breeze, G. A.). Jan. 22, 1919. Spray carburettors.-The fuel supply to a carburettor is determined by a rotatable atomizing- tube C open to the air and provided with holes G any one of which can be brought into register with the fuel-supply duct H. The tube C is mounted in a lug B formed on the float chamber A, and is locked in position by a spring-pressed ball J. The tube C is preferaby of Venturi form and projects into a mixing-tube D, the main air supply to which is controlled by a valve M. The mixing- tube D is rotatably mounted on the boss B, and may be secured at any angular position with respect to the float chamber, to suit engines of different types, by a clamping-bolt E. A by-pass passage O is provided, the outlet of which is controlled by a plug P provided with holes P<2>, any one of which may be brought into register with the passage O.
Patent GB-157946-A (GB)
Title: Improvements in smelting furnaces
IPC: C21B13/00
Filed: 1921-01-10
Abstract: 157,946. Corsalli, W. June 2, 1919, [Convention date]. Addition to 157,944. Void [Published under Sect. 91 of the Act]. Alloys; briquetting processes.-In a process for treating scrap iron &c. as described in the parent Specification, the ore is preheated and the slags &c. removed before the briquettes are formed, the heating and the compression of the briquettes being performed with the exclusion of air from the apparatus. In a modification, the briquettes consist of a core comprising carboncontaining material surrounded by the other ingredients with the addition of binding means or provided with a crust or glazed or coated by immersing in a liquid mass such as lime water to which finely ground quartz has been added. The hollow body of iron &c. may be made first and then filled up with carbon-containing material, iron ores, &c. and pressed in without the addition of a binding means. The process may be carried out in a crucible or in a furnace from which air is excluded.
Patent GB-150227-A (GB)
Title: Improvements in and relating to the frames of motor cycles
IPC: B62K25/14
Filed: 1920-01-19
Abstract: 150,227. Anscombe, J. H. Jan. 19, 1920. Spring devices.-A spring frame for motorcycles comprises a rigid main portion, a yieldable rear portion controlled by laminated springs c and helical springs b<4>, and a spring front fork comprising crescent-shaped wheel-carrying levers d<7> controlled by laminated springs d'. The main portion has divergent upper members a, lower members a<3> with supplementary tubes a<4>, and a pair of seat-pillar tubes a<5>. The chain stays b, b<0> are pivoted on knock-out pins b<2> and mid-way of their length are transversely stayed at b<7> and carry channelled parts b* for the reception of the free rear ends of the spring c. The front ends of these springs are secured to the bottom tubes of the main frame at points in front of the tubes a<5>. Springs c<1> are provided to take up rebound. The levers d<7> are pivoted above the wheel axle e in the housing d<4> of the springs d<5>, the rear ends of these springs sliding in boxes d<6> at the free ends of the levers.
Patent GB-119975-A (GB)
Title: Reinforced Paper Fabrics.
Inventor: JACKSON PATRICK TRACY
IPC: D21H27/34
Filed: 1918-01-31
Abstract: 119,975. Jackson, P. T. Jan. 31, 1918. Reinforced peper; compound paper.-Relates to reinforced paper and consists in applying a series of substantially parallel unspun fibres 2 transversely of a strip 1 of paper as it leaves the papermaking machine. The ends of the fibres are arranged to overlap, as shown at 3, to avoid lines of weakness. A second set of unspun fibres extending longitudinally of the strip of paper may be added, and an overlying ply of paper may be adhesively secured to the strip.
Patent GB-351390-A (GB)
Title: Process for the manufacture of mouldable materials
IPC: C08K5/00
Filed: 1930-01-20
Abstract: A homogeneous moulding-powder is made by energetically stirring a suspension of cellulose derivative and plasticizers in at least twice the weight of derivative, of water, and mechanically separating the solids from the suspension.  Fillers, colouring matters, &c. may also be added.  The coloured product described in Specification 275,553, [Class 70, Indiarubber &c.], may be employed: also cellulose esters prepared as in Specification 275,558, [Class 70, Indiarubber &c.], to which fillers have been added before precipitation.  Several examples are given, of which the following is typical: 70 kg. of ethyl cellulose are suspended in 700 litres of water.  30 kg. of ethylparatoluene-sulphamide coloured with 25 gm. of insoluble ponceau blue O.L.G. are added with stirring, which is continued for two hours at a temperaure of 60 DEG  C.  The mixture is cooled, filtered and dried, giving a product which is easily moulded under pressure and heat.  In discussing the state of the art, Specifications 16940/13, 249,600, 275,558 and 285,829, [all in Class 70, Indiarubber &c.], and numerous foreign Specifications, are referred to.
Patent GB-811081-A (GB)
Title: Improvements in or relating to radar antennae
IPC: H01Q3/06
Filed: 1957-01-18
Abstract: 811,081. Linkwork. ALBISWERK ZURICH A.G. Jan. 18, 1957 [Feb. 22, 1956]. No. 1995/57. Class 80 (3). [Also in Group XL (c)] The mechanical transmission system producing oscillation of a radar aerial reflector 3 includes a hydraulic coupling comprising cylinder 25 longitudinally movable in stationary housing 24 and double-acting piston 26 fixed to piston rod 23 to whose flange are connected rods 21 of two crank drives each of which includes an eccentric 20. Two gear-boxes 2 are provided one on each side of central housing 1 the latter being full of oil. Stationary shaft 9 extends through the gear-boxes and has ball bearings 10 in each gear-box in which are mounted disc 11 with balancing weights 14 to eliminate vibration and rim gear 12 engaging toothed segment 13 fixed to shaft 5. When driving motor 15 is running cylinder 25 is closed and the piston forms a rigid connection with it. Relief valves (see Fig. 2, not shown) are arranged in the piston rod to limit the power transmitted. Control valves break the rigid hydraulic connection so that the reflector automatically returns to its central position when the motor is switched off. The reflector is locked in this position by member 58 operated by control valve piston 48 and damped by dash-pot 63.
Patent GB-699754-A (GB)
Title: Improvements in or relating to power-driven wheeled units for agricultural or like implements
IPC: B62D51/04
Filed: 1951-01-26
Abstract: 699,754. Walk-type tractors. EMERY, A. F. Jan. 25, 1952 [Jan. 26, 1951], No. 1999/51. Classes 79 (i), 79 (ii) and 79 (v) A power driven, two-wheeled unit for agricultural implements comprises a body, reversible power transmission gearing housed in the body and incorporating a power take off shaft, a steering handle reversibly mounted on the body, an engine mounted on the body side of the wheel axis, means for detachably mounting an implement on the other side of the axis, and means for driving the implement from the shaft. As shown the tractor comprises the body 1 on one end of which is mounted the engine 4 for driving the wheels 3. The drive from the engine includes a chain transmission 5, a clutch and a shaft 7. The shaft 7 carries toothed wheels 8, 9 which can be shifted to engage with either of gears 10, 11 on a shaft 6 which carries a gear 12 meshing with a gear 14 on a shaft 13. The shaft 13 carries a slidable gear 16 which can either mesh directly with a gear 17 or indirectly through an idler wheel with a gear 18, the gear 17, 18 being mounted on the wheel axle 15. The shaft 6 functions as a power take-off the gear 10 being meshed with a gear on the implement drive, Fig. 2 (not shown), or the shaft 6 may carry a cam or pulley 26 for obtaining a reciprocating drive, a crank rod 27 being connected to the member 26 to reciprocate a cutter bar, Fig. 1. The body 1 is provided with a mounting bed 19 to which a flange 24 on the implement is secured to mount the implement. Pivoted to the top of the body 1 at 23 is a mounting bracket 20 for the handle 21, the bracket being pivotable about the pivot 23 to adjust the height of the handle and means being provided to secure the bracket in the desired position. The handle 21, which carries clutch and throttle controls, is connected to the bracket 20 by two bolts so that the handle can lie over the engine or over the implement and the handle carries a slot 22 so that the handle can be turned to an angle with the longitudinal axis of the tractor, the operator being then able to walk beside it. A trailer car can be fitted for the operator.
Patent GB-304602-A (GB)
Title: Process for the treatment of vegetable fibres for the purpose of effecting their lanification
IPC: D01C1/02
Filed: 1929-01-21
Abstract: 304,602. Fievet, C. LiÚnard-. Jan. 20, 1928, [Convention date]. Retting.-In the preparation of fibres having a woolly feel from fibrous plants of the malvacea family, such as Sida rhombifolia, the plants after sorting and moistening are steeped in 1 per cent sodium carbonate followed by an alkaline solution of a vegetable oil dissolved in tetrachloride and known by the Registered Trade Mark Tetrapol in order to dissolve out the pectic substances. The material is then washed, drained, and treated for 1¢ to 2 hours at ordinary temperature with a solution of 35‹ Be Caustic soda to which 1 gram per litre of a soap known by the Registered Trade Mark Monopol has been added. This treatment followed by draining, rinsing in cold water and squeezing under pressure yields wavy fibres which are neutralized and bleached by treatment with the mixed sulphurous and sulphuric gases resulting from the combustion of sulphur in an oxidizing atmosphere, the neutralization, bleaching, and the final drying with hot air under pressure being effected in the same chamber.
Patent GB-1224741-A (GB)
Title: Improvements relating to the cooling of power cables
Inventor: MOLE GEORGE
IPC: H02G15/26
Filed: 1967-02-13
Abstract: 1,224,741. Cooling cables. ELECTRICAL RESEARCH ASSOCIATION. 13 May, 1968 [13 Feb., 1967], No. 2010/67. Heading F4U. [Also in Division H2] In a method of cooling an underground cable, the cable is enclosed in a conduit, to the interior of which liquid coolant, e.g. water, is supplied to wet the cable surface and the resulting vapour is continuously withdrawn, condensed and recirculated. The maximum temperature of the cable may be controlled either by controlling the withdrawal of vapour or by controlling the supply pressure of the coolant. As shown, two conduits are provided, the lower conduit 14 containing the cable 3 and being filled with coolant while the upper conduit 15 is intended exclusively for vapour. The two conduits are connected together at intervals by vertically extending pipes 16. In the controlled supply pressure method each pipe includes a level controller, e.g. float-operated valve, bellows operated valve, microporous diaphragm or the level control is effected by means of an elongate interconnecting pipe. The level controls are situated outside the pipes in the controlled vapour withdrawal method. Alternative forms of control systems incorporating a transducer measuring coolant temperature are also described.
Patent GB-574502-A (GB)
Title: Improvements in steam superheater elements for use in the smoke tubes of boilers
IPC: F22G7/02
Filed: 1944-02-04
Abstract: 574,502. Steam superheater elements. SUPERHEATER CO., Ltd., and HUET, A. P. J. Feb. 4, 1944, No. 2064. [Classes 64 (iii) and 123 (iii)] In a superheater element for location within a boiler smoke tube and comprising an outer annular flow tube 1, formed of two concentric tubes 7, 8, which is connected at one end by a U-bend to an inner return tube 2, one or each of the tubes 7, 8 has, for at least a part of its length, the cross-sectional area of its wall modified, as compared with that of the tube normally employed, so that its mean wall temperature, and consequently longitudinal expansion, will be the same as the other tube. The outer tube 7 may be a plain cylindrical tube with an increased wall thickness and/or provided externally with fins 9 to increase the mean thickness of its wall. Alternatively, or additionally, the inner tube 8 has its wall thickness reduced and/or provided externally with fins 10, the latter increasing the heat transfer from the tube and so reducing its wall temperature. The fins 9, 10 may be straight or helical and also interrupted at intervals. Preferably the central return tube 2 has its wall temperature reduced by reducing its wall thickness and/or by the provision of internal fins 11.
Patent GB-740707-A (GB)
Title: Improvements in and relating to valves
IPC: F16K41/12
Filed: 1953-01-23
Abstract: 740,707. Valves. FORTUNE, R. Jan. 23, 1953, No. 2084/53. Class 135. In a valve similar to that described in Specification 652,564 and comprising a sealing diaphragm 14 clamped peripherally between the valve casing A and a bonnet B and centrally between a diaphragm follower member 20 and a closure member C comprising a rigid core enveloped by a cover 32 of material more resistant to corrosion than the core, the closure member connected below. the diaphragm to one end of a screw-threaded non-rotatable stem 18 movable axially with a rotatable but axially fixed internally threaded sleeve 38 operated by a hand wheel 41, and the closure member is provided with means such as the rim 31 to support the free flexing area of the diaphragm when the valve is fully open. The follower member comprises radial arms 26 curved on their lower faces to support the diaphragm progressively as the valve closes. The diaphragm is supported in its uppermost position by the curved undersurface of a flange 24 on the bonnet. The flange 24 is slotted to permit the vertical passage of the arms 26 and prevent their angular displacement. As shown the follower member is unitary with the stem 18, a reduced part 22 of which prevents undue compression of the diaphragm. A screw-threaded extension 19 of the stem screws into the valve member. The closure member C, which is of part spherical shape, is covered with rubber or some chemically inert deformable plastic material, such as polytetrafluoroethylene or polyethylene or one of its derivatives. The rim 31 may have radial slots or notches 46, Fig. 7, to permit fluid or impurities to drain from the space above the closure member. In a further modification, the follower member is in the form of a saucer-like flange with radial slots to engage vertical guides in the valve bonnet. The top of the closure member is convex to conform with the diaphragm when the valve is open. The core of the closure member is covered by injection moulding. Specification 700,985 also is referred to.
Patent GB-1260711-A (GB)
Title: Method for the detection of neoplastic cellular material
Inventor: GOLDBERG ALLAN ROY
IPC: G01N33/574
Filed: 1969-01-14
Abstract: 1,260,711. Detection of neoplastic tissue. A. R. GOLDBERG and M. M. BURGER. 14 Jan., 1969 [24 Jan., 1968; 20 Dec., 1968], No. 2086/69. Heading B1X. [Also in Divisions AS and C3] A method for the detection of neoplastic cellular tissue in or from a non-human animal comprises contacting cellular material with a glycoprotein which leads to the specific binding of the glycoprotein to neoplastic cells, said glycoprotein having been previously labelled so as to enable the detection of the glycoprotein bound to the neoplastic cells. The glycoprotein may be extracted from wheat germ or wheat germ lipase and labelled with radioactive material, fluorescent material, radio-opaque material, or visible dye or dyeforming substance. The substance may be administered by the topical, parenteral, oral, rectal or vaginal route; it may. be formulated with sterile buffered isotonic solutions, aqueous suspensions, syrups, or as tablets or capsules; or the testing may be performed in vitro.
Patent GB-471844-A (GB)
Title: Improved racket for tennis and like games
IPC: A63B51/12
Filed: 1937-01-25
Abstract: 471,844. Tennis &c. rackets. AUBERT, E. H. Jan. 25, 1937, No. 2151. Convention date, Dec. 22, 1936. [Class 132 (ii)] In a tennis or like racket the strings are connected to two opposed metallic flexible bands adapted to slide along the racket frame to tension or slacken the stringing. The diagonal stringing 13 is effected by a single catgut, cord or wire string, the lower loops of the individual series of strings passing through holes 67 in the wooden frame 1 around roller guides 81, secured on transverse bars 79, Fig. 3, of flexible metal bands 75 slidable in grooves 65, Figs. 1, 5, in the outer edge of the frame 1, the grooves being preferably covered by facing strips 73 slotted at 74. The metal bands 75 are secured at their lower ends each to a rider 82, Fig. 8, slidable in a transverse aperture 84 in the racket throat and pivotally connected to a nut 89 threaded upon a rod 90. The nuts 89 engage right and left-hand threaded portions of the rod 90, which has a squared portion 92 for turning thereof to tension or slacken the stringing. The bands 75 may be tapered according to the varying tensions along the length thereof and the bars 79 thereon may be so positioned as to ensure equal tensioning of all strings. In a modification, the guides 81 are dispensed with, curved guides being formed at the bars 79, Fig. 11, by bending of the metal strips formed by punching out the perforations 78. The invention may also be applied to metal rackets.
Patent GB-653616-A (GB)
Title: Improvements in and relating to tubes formed by helical winding
IPC: B31C3/00
Filed: 1946-01-24
Abstract: 653,616. Making paper tubes. ROBINSON, E. B. Jan. 24, 1946, Nos. 2334 and 5326. Addition to 653,613. [Class 99(ii)] [Also in Group VIII] In apparatus for the manufacture of paper &c. tubes, in which one or more strips (two strips 2, 3 are shown), are wound helically on to a mandrel 1, the completed tube being severed after it has passed beyond the end of the mandrel, repeat unitary patterns are printed on the strip before winding and successive cuts are made at predetermined positions in relation to the patterns by a device which makes actual contact with the tube or the strip or a part moving therewith. The strips 2, 3, one of which may be gummed paper or be coated with adhesive by a device 8, are drawn off supply rolls 5 and 6 by an endless belt 7 which serves to coil the strips on the mandrel and at the same time feed the tube forward. The tube is cut into sections by a saw 15 rocking about and moving along a shaft 2. The saw is actuated in various ways (see Group VIII).
Patent GB-335867-A (GB)
Title: A device for running normally and for running on a reserve of petrol for use with automobile and other vehicles
IPC: B60K15/06
Filed: 1930-01-23
Abstract: 335,867. Soc. Le Bozec et Gautier- Jan. 24, 1929, [Convention date]. Tanks. - A tank outlet 1 is provided with a tube 4 having a valve portion 5 normally seated by a spring 8, so that when a second valve 11 is in one of its open positions liquid passes from the tank through the tube 4. When the valve 11 is in its' other open position, a cam member 22 lifts the tube 4 so that liquid may pass through the annular space surrounding the tube.