baber/WOPTO huggingface dataset:
Patent GB-853342-A (GB)
Title: Improvements in or relating to methods of permanently waving human hair and a hair-wrapping composition for use therein
IPC: A61K8/44
Filed: 1958-02-04
Abstract: Human hair, prior to being "permanently waved", is treated with a composition containing a chelating compound which sequesters calcium and magnesium ions and a mild alkaline buffering agent having a pH in the range of 8,0 to 9,5 and including a base which has a dissociation constant from 10-6 to 10-4.  Chelate compounds specified are the trisodium, potassium and ammonium salts of ethylene diamine tetra-acetic acid and sodium, potassium and ammonium salts of polyphosphoric acids, e.g. sodium hexametaphosphate, and sodium tripolyphosphate. Buffer compounds specified are ammonium bicarbonate, sodium, ammonium, tris (hydroxymethyl) aminomethane salts of carbonic or boric acids.  In examples, the composition comprises (iii) sodium hexametaphosphate, tris (hydroxymethyl) amino methane and sodium bicarbonate, and optionally perfumes and colouring agents (iv) monoethanolamine, sodium hexameta-phosphate and boric acid.  The hair may be subsequently waved in conventional manner using, e.g. thioglycollic acid as hairwaving reagent.  Specification 589,956 is referred to.
Patent GB-1022827-A (GB)
Title: Improvements in or relating to filtering apparatus
IPC: A47L15/42
Filed: 1964-01-28
Abstract: 1,022,827. Filters. WHIRLPOOL CORPORATION. Jan. 28, 1964 [March 6, 1963], No. 3689/64. Heading B1D. In a dishwashing machine, liquid containing food particles flows to the bottom of a tub 11 and into a sump 13 by way of a foraminous screen 15 and tubular apertured screen 17. Liquid passes through screen 15 directly into a receiver 20 in the sump and back to a pump 12 to be recirculated through conduit 22, the solids being retained on the screen 15 and washed into a centre opening 16. The solids then flow through apertures 29, Fig. 5 (not shown), into the tubular screen 17, the liquid flowing through the screen 17 and the solids to the bottom of the sump and out to waste through conduit 21. A barrier screen 26 with larger apertures than screen 17 causes a build up of pressure between it and screen 17 so slowing down the liquid flow through the screen 17 to prevent wedging of the solids in the apertures. To clean the filter cleansing liquid is directed through the system so that solids are flushed from the inner surface of the screen 17 and out through conduit 21 to waste.
Patent GB-1516606-A (GB)
Title: Head assembly for a jet drop recorder
IPC: B41J2/025
Filed: 1977-01-28
Abstract: 1516606 Selective printing MEAD CORP 28 Jan 1977 [29 Jan 1976] 03712/77 Heading B6F Ink jet printing head has a plate 18 with orifices 26 in parallel rows inclined to the major axis of the plate 18 and charge rings 43 and deflection electrodes on assembly 50 correspondingly arranged.
Patent GB-727932-A (GB)
Title: Improved friction shock absorber
IPC: F16F7/09
Filed: 1953-02-11
Abstract: 727,932. Friction shock-absorbers. GENERAL MOTORS CORPORATION. Feb. 11, 1953 [Feb. 28, 1952], No. 3792/53. Class 108 (3). A shock - absorber comprises a piston 11 positioned by a spring 14 and carrying a resilient member 19 which is surrounded by an expansible friction element 21 (Fig. 4) the spring 14 bearing on the member 19 through a thin metal annulus 20. In the construction shown, there are two members 19 and the piston 11 is centred in the cylinder 1 by two springs 14, 25. Between each spring and the piston is an inertia weight 26, and the respective resilient member 19. A split metal band 21 is bonded to the periphery of each member 19 and the annulus 20 is also secured to it by bonding. The split band may be replaced by any form of spring ring, e.g. in the form of a helix. In operation, movement in either direction of the piston 11 is damped by a force which is proportional to the impact on the rod 12 producing the movement. This is due to the action of the springs and inertia weight acting on the respective member 19, the rubber (or it may be neoprene) of which is caused to bulge radially and increase the pressure of the band 21 on the cylinder bore. In a modification (Fig. 2, not shown) the inertia masses are omitted. In a further modification (Fig. 1, not shown) in which there are also no inertia masses, the shock-absorber is singleacting. The spring- 25 is less powerful and bears directly on the piston 11. The two members 19 are disposed in tandem between the piston 11 and the spring 14.
Patent GB-1532393-A (GB)
Title: Seat support assembly for a recreational vehicle
IPC: B62J1/04
Filed: 1977-01-31
Abstract: 1532393 Mounting motorcycle saddles MILSCO MFG CO 31 Jan 1977 [12 March 1976] 3806/77 Heading B7E In a seat supporting assembly, particularly for motorcycles, wherein pairs of pivotable arms 10, 11 extending between the seat S and a rigid frame assembly 13 provide a parallel link assembly restricting the seat to substantial vertical movement, a spring assembly 14 resiliently supporting said seat has an upper end shiftably supported by a slot 100 in the arms 11 so that the spring assembly may be shifted from a vertical position. exerting full pressure on the seat to a rearwardly inclined position, Fig. 4 (not shown) wherein the resilient support is reduced. As shown the arms 112 of the rigid frame assembly 13 also have slots 110 which slidably receive the lower end of spring assembly 14. A second spring assembly 12 may 'resiliently support the forward end of the seat. A damping assembly 115 is connected between upper and lower ends of the spring assembly 14 to dampen movement of the arms 11.
Patent GB-872226-A (GB)
Title: Flow rate compensated valve
IPC: G05D7/01
Filed: 1959-02-04
Abstract: 872,226. Fork lift trucks. NEW YORK AIR BRAKE CO. Feb. 4, 1959 [Aug. 11, 1958], No. 3908/59. Class 78 (3). [Also in Group XXIX] A flow-rate control valve to control the rate of exhaust flow from a singleacting ram raising and lowering the load carried by a fork lift truck, such that heavy loads are lowered at a slower rate than light loads, comprises first and second restrictions arranged in series in a flow path through the valve, a valve element common to both restrictions urged by increasing pressure drop through the second restriction to close both restrictions and yielding means biasing the valve element to open both restrictions. As shown, a housing 11 slidably mounts a plunger 12 having lands 13, 14 and an extension 16 with a reduced diameter portion 17 on which is confined between a shoulder 19 and a snap-ring 21 a valve member 18 having a conical seat 29 co-operable with a complementary seat on a piston valve element 31 to form the second restriction. The valve element 31 is mounted with clearance on the extension 16 and is formed with a land 46 co-operating with a port 45 connected to the ram to form the first restriction. On rightward movement of the plunger 12 from its neutral position shown against a centring spring 25, the land 13 closes a connection 38 to sump and connects a connection 35 from a supply pump to the port 45 to supply the ram with pressure fluid. On leftward movement of the plunger 12 from its neutral position the connection 38 is fully uncovered to unload the pump whilst the land 46 on the valve element 31 urged by a spring 32 towards the land 14 uncovers the port 45 to exhaust the ram cylinder to sump through a recess 42 and ports 43 in the valve element 31, the space between the seat 29 and the valve element 31 and a connection 39. The valve element 31 is subjected on its left-hand end to the pressure downstream of the first restriction and on its right-hand end in part of this same pressure and in part to a reduced pressure due to the pressure drop through the second restriction so that the valve element 31 moves toward the valve member 18 against the spring 32. As the rate of flow increases the pressure drop through the second restriction increases so that the valve element 31 moves further to the right to restrict flow past the land 46 which in turn restricts flow past the second restriction until an equilibrium pressure is reached between the restrictions which varies in direct relation to the pressure in the ram port 45.
Patent GB-568148-A (GB)
Title: Improvements in the driving of ship's steering gear
IPC: G05D1/02
Filed: 1943-03-13
Abstract: 568,148. Electric control systems. ENGLISH ELECTRIC CO., Ltd., and CARNEGIE, H. S. March 13, 1943, No. 4135. [Class 40 (i)] [Also in Group XXXIII] A non-reversing motor 1 drives a ship's steering gear one way or the other, according to which of two electromagnetic slip clutches 3, 9 is energized. If the clutch 3 is energized the shaft 2 carries round with it a pinion 4 meshing with a gear-wheel 5 driving a shaft 6 and sector 8 connected to the rudder. If clutch 9 is energized, the shaft 2 carries round with it a pinion 10 which drives the wheel 5 in the opposite direction through intermediate gearing 11, 12. In the arrangement shown energization of the particular clutch is effected by movement of the helm 13 and the motor 1 then drives the rudder and with it a sector J5a through a corresponding angle till the clutch is de-energized. In a modification, Fig. 3, a potentiometer arrangement is used. The helm moves a contact 14a causing current to flow one way or the other and so energize the clutch 3d or 9d, contact 15a being moved a corresponding amount to de-energize the clutch when the movement is completed. Specification 551,414, [Group XXXV], is referred to.
Patent GB-151204-A (GB)
Title: Improvements in antifriction roller bearings
IPC: F16C33/36
Filed: 1920-02-11
Abstract: 151,204. Marks, E. C. R., (Nordiska Kullager Aktiebolaget). Feb. 11, 1920. Roller bearings. - Bearing rollers with unsymmetrical curved surfaces 8 are so shaped that the moment of inertia about the normal axis of rotation 5 is equal to or greater than the moment of inertia about an axis passing through the geometrical centre 3 at right-angles to the axis 5, increased by the product of the mass of the roller and the square of the distance between the centre of gravity 2 and the point 3. The geometrical centre 3 is the centre of the circle forming the locus of the centres of curvature 7 of the surface of the roller. The roller may be rendered unsymmetrical by a cavity in one end,
Patent GB-737014-A (GB)
Title: Improvements in collapsible rod-like devices
IPC: A45B9/00
Filed: 1953-02-16
Abstract: 737,014. Non-flexible conduits. SCHUSTER, W., and KRAUSE, V. Feb. 16, 1963 [Feb. 23, 1952], No. 4237/53. Class 99 (2). [Also in Groups VII and X] In a collapsible and rigidly expandible carrying, supporting or tensioning device, which may be used as a conductor's baton, a drawrod for a trailer, a structural member, a pipe into which a cable can be introduced, or a liquidconveying conduit, wherein an inelastic but flexible and tensionable carrier member 1 having rigid end stops is combined with a number of annular spacing members 2 loosely adjoining one another in the untensioned state of the member 1 to ensure flexibility of the latter in all directions, and with an inelastic tensioning device which in the tensioned state presses the members 2 against one another and the end stops and at the same time subjects the member 1 to a tensile stress so that the members 1, 2 form a rigid, rod-like element, the member 1, Fig. 1, is hollow and encloses the members 2, or comprises a number of flexible elements 26, Fig. 5, on to which the members 2 are threaded. As shown in Fig. 3 the tensioning device comprises a spigot 13 axially slidable within a guide 23 secured to the tube 1, the spigot and guide being interconnected by pivoted members 5, 6 which are swung outwardly and brought to the position shown in Fig. 1 to press the members 2 against one another and an end stop comprising a sleeve 8 screwed into a collar 7 also secured to the tube 1. The pressure on the members 2 is regulated by adjustment of the screw 8, and the pivots 9, 10 may be provided with springs bearing against the members 5, 6 so that the latter automatically swing outwards when released from the collapsed position. In modifications, (a) the carrier member 1 comprises a rope on which the members 2 are mounted, (b) the members 2 are replaced by a helical spring, (c) the device is curved in form by providing the members 2 with divergent coacting faces, and interengaging tongues and grooves which prevent relative rotation between the members in the tensioned and untensioned state of the device, and (d) the members 2 are graded in diameter to provide a rod of conical or doubleconical form.
Patent GB-917990-A (GB)
Title: A method of casting thinwalled hollow cylindrical castings
IPC: B22D15/02
Filed: 1961-02-03
Abstract: 917,990. Moulds. MEZ MOHELNICE, NARODNI PODNIK. Feb. 3, 1961 [Feb. 6, 1960], No. 4238/61. Class 83 (1). Thin-walled cylinders of gray cast iron are cast in metal moulds with metal cores. The metal enters the mould cavity 15 through an annular channel 13 communicating with the cavity via inlet channels 14 or a circumferential inlet. 16 is a circumferential air venting gap and 5 a coolant jacket. The upper and lower core parts 6, 3 are each carried by an hydraulic piston for insertion and removal, and one of said pistons may serve to press out the finished casting from the mould.
Patent GB-1078401-A (GB)
Title: Improvements in or relating to message storage
Inventor: STILLWELL PETER FREDERIC THOMA
IPC: G09G1/14
Filed: 1963-02-01
Abstract: 1,078,401. Indicating devices on aircraft. RANK-BUSH MURPHY Ltd. Jan. 31, 1964 [Feb. 1, 1963], No. 4254/63. Heading B7W. [Also in Division G4] Faults from a complex system in an aircraft are signalled on to a message wire of a resistor matrix store (see Division G4) and the appropriate remedial action is displayed on a cathoderay tube.
Patent GB-726907-A (GB)
Title: Improvements in and relating to electric switches
IPC: G04C23/08
Filed: 1952-02-19
Abstract: 726,907. Time switches; switch contacts. BRITISH THOMSON-HOUSTON CO., Ltd: Feb. 19, 1952 [Feb. 23, 1951], No. 4384/52. Class 38 (5) The switch comprises a rotatable dial 1 having adjustable members 3 with projections 3a cooperating with a part 9k formed on a pivoted insulating arm 9 which carries a resiliently mounted bridging contact 10 co-operating with fixed contacts 7a, 7b. The latter are mounted on a block 4 to which the arm 9 is pivoted at 6. The ends of the contact 10 are bifurcated and embrace webs 9e, 9f in the arm 9, outward movement of the contact under the action of a spring 11 being limited by stops 9c, 9d. The free end of the arm 9 engages a slot in a member 8 so as to hold the part 9k normally in the path of projections 3a. Several arms 9 may be arranged in a line one behind the other.
Patent GB-581794-A (GB)
Title: Improvements in the valve gear of piston engines
IPC: F01L1/12
Filed: 1945-02-21
Abstract: 581,794. Valve gear. AKTIEBOLAGET GOTAVERKEN. Feb. 21, 1945, No. 4406. Convention date, April 22, 1944. [Class 7 (vi)] In a fluid-pressure engine the inlet and/or exhaust valves are actuated by rollers or the like carried at the cylinder end of the connecting rod and coacting with valve-operating means mounted on the engine frame. In the double-acting engine shown on Fig. 2 the exhaust valves 3, 22 are operated by rollers 8 on the connecting rod which engage bell crank levers 6, 23 pivoted on the crank case; the levers 6 actuating the valve 3 through a beam 4 and the rods 5, and the levers 23 engaging the ends of the valves 22. The rollers may be mounted on the longitudinal axis of the connecting rod above or below the upper turning circle, or displaced from the axis of the rod near the upper turning centre. The same or different rollers may actuate the valves 3, 22, and the valves may be sleeve or rotating instead of poppet valves.
Patent GB-1359589-A (GB)
Title: Alkenyl aromatic polymer particles
IPC: C08J9/18
Filed: 1972-01-31
Abstract: 1359589 Expandable alkenyl aromatic polymer particles KOPPERS CO Inc 31 Jan 1972 [14 April 1971] 4490/72 Headings C3C and C3P Expandable particles of an alkenyl aromatic polymer of lower molecular weight are made by forming an aqueous suspension of the high molecular weight polymer particles, adding a blowing agent and a molar excess, over the polymer, of an organic peroxide to impregnate the particles, and heating the suspension at an elevated temperature to degrade the polymer but not to expand the polymer particles. The polymer may be polystyrene. The peroxide may be t-butyl perbenzoate, t-butyl percrotonate, t-butylperoxy isopropyl carbonate, dicumyl peroxide, methyl ethyl ketone peroxide and/or cyclohexanone peroxide. The blowing agent may be a C 1-7  aliphatic hydrocarbon (e.g. pentane), or halogenated derivative whose b.p. is below the softening point of the polymer. The suspension may contain tricalcium phosphate and sodium dodecylbenzene sulphonate. The expandable particles may be expanded in steam.
Patent GB-1402410-A (GB)
Title: Clamping device
IPC: B23K37/04
Filed: 1972-08-31
Abstract: 1402410 Welding; vacuum workholders MESSER GRIESHEIM GmbH 31 Aug 1972 [31 Aug 1971 27 July 1972] 4490/75 Divided out of 1398102 Headings B3R and B3D A clamping device for holding a workpiece, e.g. a metal plate 61 to be welded to an adjoining plate 62, comprises a clamping element connectible to a vacuum pump and a sealing ring located on a surface of the clamping element, the surface of the clamping element forming a quadrilateral and the sealing ring comprising two longitudinal ring portions 35, 36 and two transverse portions 37, 38 one pair of portions 37, 38 being disposed so that the distance therebetween is adjustable, so that the clamping device is applicable to different sizes of plate, e.g. 61, 66, Fig. 1. Rollers 52 adapted to be raised above the level of the lips of the sealing ring portions by compressed air and retractable by springs 57 provide for feed of sheet or plate material over the surface of the device.
Patent GB-1004933-A (GB)
Title: Process for colouring normally solid thermoplastic materials
IPC: C08K5/18
Filed: 1964-02-03
Abstract: A synthetic, normally solid, thermoplastic material is coloured with 1-cyclohexylamino-anthraquinone, e.g. 0.0001-5%.  The material may be a resin which in its uncoloured state is a water-white, glass-like solid, e.g. polystyrene or polymethyl methacrylate, or may be polyethylene, polypropylene, polybutylene, polyvinyl chloride, polyacrylonitrile, polyamides such as the nylons or polyesters such as the terephthalates.  The above anthraquinone may be mixed with the material or the monomer from which the polymer is produced, and heated at 100-700% F. so as to polymerize the monomer if present, e.g. styrene or methyl methacrylate, and forming the mixture.  The material may be surface coated with the above anthraquinone and then subjected to heat and pressure. Shaped articles coloured pink to deep red may be produced from the above composition. Specification 261,764 is referred to.
Patent GB-840483-A (GB)
Title: Improvements in pulverising mills
Inventor: EVANS RICHARD HENRY
IPC: B02C15/12
Filed: 1958-02-12
Abstract: 840,483. Ball-and-ring mills: centrifugal separators. BABCOCK & WILCOX Ltd. Feb. 11, 1959 [Feb. 12, 1958], No. 4617/58. Classes 23 and 59 A ball-and-ring mill comprises an annular grinding zone provided by a circular row of grinding balls 5 disposed between an upper rotary grinding ring 3 and a lower non-rotary grinding ring 4, a windbox 51 for directing entraining elastic fluid upwardly through an annular zone surrounding the grinding zone, means comprising bosses 10, 14 for rigidly connecting the grinding ring 3 to a drive shaft 15 which passes through bearing means including a thrust bearing 18 adapted to withstand upward force on the drive shaft, and spring-loaded tension rods 56 for urging the lower grinding ring towards the upper grinding ring. The upper grinding ring is located in relation to the drive shaft 15 by means of removable spacer rings 27 each comprising a plurality of separate segments mounted between flanges 12, 23 on the bosses 10, 14. A rotatable collector disc 38 is mounted below a support ring 28 for the lower grinding ring and a deflector member 46 has its upper edge secured to the upper part 1 of the mill housing and its lower edge disposed closely adjacent to the outer part of the disc 38. The support ring 28 is provided with a baffle member 30 having a downwardly extending lip 31. The base part 2 of the mill housing is provided with a guide member 32 having flanges 33, 34, the guide member being provided at the flange 34 with a stuffing box 35. The upper end of the guide member is provided with a U-shaped flange 36 which provides a recess for the lip 31. A flexible member 37 is connected at its outer edge to the lip 31 and at its inner edge to the stuffing box 35. The support ring 28 is provided at its lower side with a hinged plough which co-operates with the disc 38 to move foreign matter into a hopper 48 leading to a bin 50<SP>1</SP>. The elastic fluid, suitably heated air under pressure, supplied from the windbox 51 is directed radially inwardly between the flange 33 and the ring 38, is then guided upwardly by the member 32 through an opening 39 in the disc 38 and then directed radially outwardly between the disc 38 and the support ring 28. The fluid is then diverted upwardly by the member 46 to pass through a passage 54 between the grinding ring 4 and a fixed guide ring 53 and then passes upwardly to a classifier 62. The ring 53 may be replaced by a movable guide ring rigidly attached to the lower grinding ring by circumferentially spaced radial webs extending across the passage 54 and in this case sealing means 55 are provided. The classifier 62 is surrounded at its lower part by a baffle member comprising a fixed casing 77 and an adjustable casing 78. The classifier is provided with a collector 73 having radial outlets 76 for discharging coarse material towards the grinding zone. Material to be ground is fed from a rotary table type feeder 81 through an aperture 80 and down a shoot 82 to the grinding. zone. Specification 523,770 is referred to.
Patent GB-458462-A (GB)
Title: Improved method of and means for eliminating occluded gases from an enclosure
IPC: H01J9/385
Filed: 1936-02-15
Abstract: 458,462. High vacuum injectors. TENNANT, W. J., 111, Hatton Garden, London.-(Soc. Anon. pour les Applications de l'Electricite et des Gaz rares Etablissements Claude-Paz & Silva; 8, Rue Cognacq- Jay, Paris) Feb. 15, 1936, No. 4632. [Class 71] To remove occluded gases from an enclosure A such as an electric discharge tube, mercury &c., is vaporized in a vessel V and the vapour circulated through the enclosure, condensed in a return pipe E and the liquid returned to the vessel, the gases being drawn off by a vacuum connection G. The enclosure A and connecting pipe C<1> may be heated. An electric discharge may be passed through the enclosure, and rare gases may be introduced and removed during the process. Mercuric oxide formed in the enclosure and in the cooled part of the pipe E may be removed by heating in the first case and by circulation of hydrogen in the second case.
Patent GB-1396774-A (GB)
Title: Electrical connectors
IPC: H01R4/48
Filed: 1972-02-01
Abstract: 1396774 Two-part couplings; terminals L R BLAKE 31 Jan 1973 [1 Feb 1972] 4651/72 Heading H2E  A wire is connected to a contact 14 of a twopart coupling by passing it through a hole a, Fig. 2, and a hole or slot b and clamping it with a spring 13 clipped or riveted to the contact. The spring also clamps the portion be of the wire between the contact 14 and the connector body. The wire may be further bent under the contact at e where it is clamped by screwing a lid on to the connector body. As shown the connector is a socket with contacts arranged at an angle so as to provide polarized engagement with a similarly arranged plug, Fig. 1 (not shown). If polarization is not required, the contacts are parallel. The contact 13 is of copper, brass or highly conductive alloy and spring 14 of carbon steel enhances contact pressure. Each contact may comprise a plurality of receptacles.