baber/WOPTO huggingface dataset:
Patent GB-1419590-A (GB)
Title: Electrophotographic image-forming method
IPC: G03G5/12
Filed: 1973-12-28
Abstract: 1419590 Electro-photographic process FUJI PHOTO FILM CO Ltd 28 Dec 1973 [28 Dec 1972] 60122/73 Heading G2H An imaging process comprises imagewise exposing to light a layer of charged photoconductive toner powder containing a colourant or colourant precursor on a conductive support, removing the discharged (exposed) toner powder to leave a toner image on said support, spreading a second powder over the image-carrying surface of said support while said toner powder forming said image possesses sufficient charge to repel said second powder from the unexposed areas, whereby said second powder adheres predominantly to the area where the toner powder is absent, and forming a colour in the toner powder using said colourant or said colourant precursor contained in said toner powder. The colourant is preferably a single composition that is coloured by heating, such as an organic salt of silver, copper or iron. Alternatively it may comprise two ingredients incorporated in two different photo-conductive powders which are mixed before use, or one may be in the core substance of the powder particles and the other in their surface layers, the two ingredients being reacted together in the colour forming step by means of a solvent or heat. Heat is used to fix both the toner image and the second powder which latter is preferably formed of similar or the same material as the core of the photo-conductive toner powder, and materials exemplified for one or both of these include polyamides, polyesters, polystyrene, a styrene/ methyl methacrylate copolymer, polymethyl methacrylate, and an epoxy resin. Zinc oxide is the exemplified photo-conductive constituent of the toner powder, but titanium dioxide or organic photo-conductive materials may be used. The conductive support may be a metal plate, a plastics film, a surface-metallized paper, or a paper, plastics or fabric material which has been treated with colloidal alumina or colloidal silica.
Patent GB-1342150-A (GB)
Title: Filtering and circulating apparatus for aquariums
IPC: A01K63/04
Filed: 1971-12-29
Abstract: 1342150 Aquarium filter D J DOCKERY 29 Dec 1971 [29 Sept 1971] 60282/71 Heading B1D [Also in Division A1] A water filtration apparatus for an aquarium 10 comprises a layer 14 of gravel supported by grid 18 above the bottom of an aquarium to form a chamber 26 between the gravel and the aquarium floor and a circulation system which removes water from the aquarium adjacent the upper surface of the gravel and passes it to the chamber 26 from where it returns to the aquarium by upward filtration through the gravel. The circulation system comprises one or more circulation towers 30 formed of two vertical tubes 32, 34 joined at the top by a U-shaped tube 36, one of which 34 communicates with the chamber 26 via a screened head 46 and the other of which 32 is joined to a collector head 48 positioned just above the gravel surface. The collector head has a flat elongated inlet 52 and a screen 54. Liquid is forced upwardly through collector head 48 and tube 32 by passing compressed air into the collector head through tube 58 from pump 60 causing a venturi effect at the inlet. Air escapes through vent openings 66 in U- tube 36. The grid 18 slopes downwardly towards the collector.
Patent GB-1247180-A (GB)
Title: Improvements relating to motor cycles
Inventor: BOTHWELL PETER WILLIAM
IPC: B62K11/04
Filed: 1968-12-24
Abstract: 1,247,180. Motor cycles. P. W. BOTHWELL. 24 Dec., 1968, No. 61344/68. Heading B7E. The frame 10 of a motor-cycle 11 comprises a first tube 12 disposed between the wheels 13, 14 and accommodating a horizontal engine 30, a second tube 15 secured to the first tube 12 by ribs 19, 20 and having secured thereto a steering head tube 36 carrying a fork assembly 37, and a third tube 16 (which may be omitted) secured partly within the second tube 15 by means of ribs 17, 18 and pivoted at 46 to shook absorber and spring units 45 pivoted to a rear fork 34. A further rib 23 secures the third tube 16 to the first tube 12. An outer skin 48 is secured to the ribs 19, 20, 23. The head tube 36 is secured to front and rear plates 38, 39, and lateral webs 40 secured to the second tube 15 which may be flated at the front. A petrol filler 43 feeds a petrol tank within the third tube 16 and/or is formed as flexible rubber bags within the first tube 12 between the ribs 19 and 20. An air intake 33 feeds the twincylinder two- or four-stroke engine 30. The ribs 19 and 23 each comprise a pair of flanged plates, e.g. 21a, 21b joined by a periperhal band, e.g. 22; alternatively the flanges may overlap each other or the plates may have no flanges and be joined by peripheral channel members engaging their peripheries.
Patent GB-1278460-A (GB)
Title: A moulding composition based on a vinyl chloride polymer and containing stabiliser
IPC: C08K5/1515
Filed: 1969-12-29
Abstract: 1278460 Stabilizing PVC FARBWERKE HOECHST AG 29 Dec 1969 [10 Jan 1969] 63013/69 Heading C3P P.V.C. is stabilized with (a) 0À3-1À5% of barium-cadmium laurate, (b) 0À3-1À0% of basic lead stearate, (c) 0À1-0À5% of neutral lead stearate and (d) 1-4% of an epoxy plasticizer. There may also be present chlorinated lowpressure polyethylene and (d) is preferably epoxidized soyabean oil.
Patent GB-755153-A (GB)
Abstract: 755,153. Filing papers. MOORE, B. May 2, 1955 [June 11, 1954], No. 17297/54. Class 146(1) The clamping plates carrying binding posts for loose leaves are provided with one or more keyhole slots to enable the plates to be hooked on to and slid along a horizontal bar and a further member displaced from but parallel with the first bar so that the plates are supported by the bar and member. The stand comprises inverted hoop-like supports 1, with front legs shorter than the rear legs, to which are secured parallel cross-bars 2 with screwthreaded ends passing through the supports 1 and secured by nuts 3. Backing plates 4, 5 are slidably mounted on the bars 2 by edge plates 6 having U-shaped brackets 7 secured to them, the bars 2 passing through holes in the plates 6 and brackets 7 to hold the plates 4, 5 in the inclined position. The loose leaves are filed on posts 9 secured to opposed clamping plates 8, the posts on one plate 8 having notches for engagement by a pivoted locking bar 10 on the other plate 8. The rear edges of the plates 8 are provided with one or, preferably, two keyhole slots 11 so that the plates 8 may be hooked over the bars 2. If only one slot 11 is provided, the plate 8 itself will rest on the lower bar 2 A name plate 12 is bolted to the rear legs of the supports 1 and the feet of the stand have rubber sockets 13 :to prevent damage.
Patent GB-2000262-A (GB)
Title: Production of lime in a rotary furnace
IPC: C04B2/10
Filed: 1978-06-12
Abstract: A method of producing lime by burning a calcium-containing raw material in a furnace which has the form of a container rotating about a substantially horizontal axis, the container being considerably shorter than 150 feet, and the material being retained in the container for a sufficient period of time by preventing free exit from the ends of the container.
Patent GB-2002092-A (GB)
Title: Check valve
IPC: F16K17/04
Filed: 1978-07-31
Abstract: Discloses a guide means for an indicating check valve and leak indicator utilized for indicating the position of a valve closure means relative to spaced apart inlet and outlet ports. The invention involves the use of an elongated cylindrical valve chamber having a cylindrical plug member slidably mounted therein and containing a first magnetic means. A second magnetic indicating means situated outside the valve housing and outside the valve chamber moves responsive to the axial movement of the valve closure in said valve chamber. The valve closure means is guided by means of a pin sliding in a groove in the wall of the valve chamber. This guiding means prevents the cylindrical plug valve from spinning around inside the valve chamber during the axial movement between open and closed positions.
Patent GB-2005430-A (GB)
Title: Camera
IPC: G03B17/14
Filed: 1978-09-05
Abstract: A camera has a body and a lens adapted to be detachably mounted on the body. The body has a mounting portion 1 which receives a barrel of the lens in bayonet fashion, and a locking member 6 which is arranged to prevent operation of a shutter release member 12 and to open switch contacts 20, 21 of an exposure metering circuit when the lens is not mounted on the body. The locking member 6 is displaceable against the bias of a spring 8 to render the shutter release member and the metering circuit operative, and is arranged to be displaced by a protrusion 17d on the lens barrel when the lens is mounted on the body. In this way, inadvertent operation of the shutter release member and unwanted power consumption in the metering circuit are avoided while the lens is removed from the camera body. In Figure 2 (not shown) only the metering circuit is disabled. <IMAGE>
Patent GB-2008733-A (GB)
Title: Freezer Shelves
IPC: F25D25/02
Filed: 1978-12-08
Abstract: This invention relates to a method of forming a freezer shelf unit which comprises two or more shelves arranged in spaced parallel planes, a method according to the present invention including the step of providing a single length of tubing which is first bent in a single plane to form a plurality of sinuous sections (such as sections 10, 11, 12 and 13) which are integrally interconnected by connecting portions of tubing (such as portions 14, 15 and 16), this bent tubing subsequently being subjected to further bending or twisting in order to arrange the sinuous sections in their final disposition in which they are disposed in the spaced parallel planes as aforesaid. Heat transfer elements 17 or plastics trays may be secured thereon as by resilient clips. <IMAGE>
Patent GB-2012914-A (GB)
Title: Pot Shaped or Rolling Diaphragm
IPC: F16J3/06
Filed: 1979-01-10
Abstract: A diaphragm made of rubber or rubber-like plastics materials with one or more textile reinforcing plies (3) has a flat base (6) which is supported against a rigid disc (9) and which is provided with one or more concentric ring grooves (11, 12) in the surface thereof facing the disc (9). The grooves provide manufacturing advantages, notably the prevention of creasing of the reinforcement during moulding. Additional grooves (13) may be provided in the transition zone (7). <IMAGE>
Patent GB-2014618-A (GB)
Title: Dyeing process
IPC: D06P1/00
Filed: 1979-02-13
Abstract: To dye synthetic, hydrophobic fibre materials with organophilic dyestuffs free from sulphonic acid groups, an aqueous liquor containing emulsifier and circulating in a circuit is passed through a dyestuff depot from which the dyestuff is abstracted by a process of dissolution and is then fed to the material to be dyed. Suitable dyestuffs are in particular those with polyether chains. Using this process dispenses with the use of dyestuff formulations prepared by expensive grinding processes.
Patent GB-2017811-A (GB)
Title: Method and apparatus for applying sliding clasp fastener end stops
IPC: A44B19/60
Filed: 1979-03-09
Abstract: A pair of sliding clasp fastener stringers 17,18 are spread apart and held flatwise against a die 15 with a pair of coupling element rows 64,65 respectively over a pair of clinching grooves in the die. A pair of end stops 54,54 move along an arcuate path 68 of travel from a first position away from the die to a second position just above the die. The end stops when arriving at the second position are forced toward and against the die until they are clinched about the coupling element rows. To enable the end stops to travel along the arcuate path, there is a rocker body 13 having a pair of pockets which are loaded with the end stops at the first position, the rocker body being angularly movable to bring the pockets into the second position in which the pockets face the die. <IMAGE>
Patent GB-2019153-A (GB)
Title: Improvements in or relating to target location systems
IPC: G01S13/06
Filed: 1979-03-28
Abstract: A target location system comprises a signal transmitter arrangement for transmitting pulses, the frequency of which increases progressively during each pulse period from a frequency f to a frequency f+  DELTA f, and an echo signal receiver arrangement comprising a pair of echo signal receiver transducers 12 arranged in spaced apart relationship, a first mixer 3 having two input signal terminals fed from the said transducers, one transducer being fed from each terminal, a second mixer 4 via which one transducer of the pair is arranged to feed the first mixer, the second mixer being fed with a local oscillator signal fb, a first filter 5 via which one sideband output signal from the said second mixer is fed to the said first mixer and a plurality of bandpass filters 7, 8, 9 forming a filter bank fed from the first mixer, the filters of the band each having a different passband or slot whereby all slots in aggregate cover a predetermined frequency band so that the bearing  theta  of a target from which an echo signal is received is indicated in accordance with the slot or slots in which the echo signal is received. <IMAGE>
Patent GB-2025600-A (GB)
Title: An ignition device for acetylene burners
IPC: F23Q9/04
Filed: 1979-04-30
Abstract: An ignition device for a burner 4 operating with acetylene, comprises a jet outlet 3 providing an ignition flame 2, characterised in that, a hole 7 in the supply pipe 1 is provided, so that air enters the pipe and mixes with the acetylene. <IMAGE>
Patent GB-2023157-A (GB)
Title: Process for the Preparation of an Improved Lead Chrome Pigment
IPC: C09C1/20
Filed: 1979-05-14
Abstract: A process for the preparation of an improved lead chrome pigment which comprises the addition to a slurry of the pigment, after precipitation and ageing of the pigment and before the application of any superficial coating, of a sufficient amount of a water-soluble chromate salt to reduce the concentration of lead dissolved in the slurry to a level not greater than 0.001M.
Patent GB-2022134-A (GB)
Title: Granulated porous metal fuel agglomerates
IPC: C06B45/10
Filed: 1979-05-29
Abstract: A porous, free-flowing, dust- free agglomerate comprises a combustible metal powder (e.g. of aluminium, optionally mixed with silicon, magnesium or iron) which has been mixed with a synthetic resin binder (e.g. a solution of a polyvinyl alcohol adhesive) and the mixture subjected to build-up granulation to form the agglomerate having particles of size 100 to 200 microns and an apparent density of 0.4-1.1 g/cc. The agglomerate may be used as such as a fuel for blasting agents or may be used as a carrier, e.g. after sizing to a range of 100 to 850 microns, with which a sensitiser or other fine fuel powder is mixed so as to give a highly effective blasting material.
Patent GB-2025475-A (GB)
Title: Braided packing and method and apparatus for making packing
IPC: D04C3/02
Filed: 1979-07-03
Abstract: A braided packing comprises a plurality of outer core strands, braided together with a plurality of braid strands, the outer core strands extending helically along said packing and forming with the braid strands a braid having a normal twist extending helically in one direction, the braid strands extending over the core strands in a continuous helical pattern at an angle to the outer core strands and the normal helical twist of the braid, and a plurality of warp strands in rows between said braid strands extending helically in a direction opposite said braid strands. Apparatus for making the braided packing comprises a rotatable condenser adapted to grip the braid at the point which the braid strands extend for braiding together and means for rotating the condenser. The method of braiding comprises rotating the braid at the point at which the braid strands come together. <IMAGE>
Patent GB-2026933-A (GB)
Title: Process for the production of an ion exchange membrane
IPC: B01J47/12
Filed: 1979-07-10
Abstract: In the production of a heterogeneous ion exchange membrane in which an ion exchange resin fine powder is dispersed in a thermoplastic resin, a silane-modified polyolefin resin and ion exchange resin fine powder are kneaded, extruded to form a membrane and then subjected to a treatment with hot water, thus obtaining an ion exchange membrane having a high ion transport number in a high ion concentration and a low specific resistance in an aqueous solution of a polyvalent ion salt, which is well balanced.
Patent GB-2025793-A (GB)
Title: Method of Applying Rubber to a Substrate
IPC: B29C70/68
Filed: 1979-07-10
Abstract: The invention relates to the application of an unvulcanised rubber film to a substrate and is particularly applicable to the bonding of substrates using the rubber film as an adhesive. The method comprises causing relative frictional movement between the unvulcanised rubber and the substrate to at least soften the contact surface of the unvulcanised rubber, and then moving the unvulcanised rubber and/or the substrate in relation to each other, whilst continuing said relative frictional movement, to leave a trail of the unvulcanised rubber on the surface.
Patent GB-2054879-A (GB)
Title: Production of high resolution colour photographs
IPC: G03C1/30
Filed: 1979-07-24
Abstract: A high resolution developed color film is produced in which the usual color image is given increased sharpness and resolution by the provision of a metallic silver image inter-dispersed with and proportional in amount to the color present in the top emulsion layer. The portions not containing color may be tanned, and the combination of the silver-color top layer with the tanned uncolored portions provides a higher degree of resolution. The developed color film is useful in aerial photography, microfilm and microfiche applications.
Patent GB-2030209-A (GB)
Title: Expanding jaw clamp
IPC: F16B7/14
Filed: 1979-08-29
Abstract: In a device comprising telescopically adjustable tubes 10, 11, a portion 12 of the inner of the two tubes is expandable radially by a resilient plug 13 inserted into the portion to cause the portion to expand radially outwards to grip the outer tube and locate the two tubes with respect to each other. Screw 17 is turned to apply tension to the plug through cable 19 so as to stretch the plug and thereby relax the grip between the inner and outer tubes. <IMAGE>
Patent GB-2036621-A (GB)
Title: Rolling plant
IPC: B21B15/00
Filed: 1979-12-12
Abstract: Rolling plant for hot rolling metal strip or plate comprises a reversing roughing mill (12), a continuous finishing mill (15) spaced from the roughing mill and an intermediate coiler (17) which can be retracted to an inoperative position clear of the pass- line. In the penultimate forward pass of the roughing mill, the coiler (17) is in its inoperative position and the workpiece is rolled to a length greater than the coiler-roughing mill spacing but less than the finishing mill-roughing mill spacing, the leading end of the workpiece passing under the coiler (17). In the final forward pass, the coiler (17) is in its operative position on the pass-line and effects coiling of the workpiece. Subsequently, the coil is uncoiled and led out to the finishing mill (15). The coiler can alternatively be horizontally movable between operative and inoperative positions, or can be fixed in position but incorporate an adjustable deflector. <IMAGE>
Patent GB-2036869-A (GB)
Title: Submersible Motor Pump
IPC: F04D1/06
Filed: 1979-12-12
Abstract: The shaft of the electric motor 1 extends axially from the rotor at either end to provide shaft end portions 2a and 2b which carry respective shaft extensions fixed thereto, each shaft extension carrying the respective pair of centrifugal impellers 4 which form parts of two respective stages of the pump, which has four stages in all, the first two stages being located at the end of the pump adjacent shaft end portion 2a and the last two stages being located at the end of the pump adjacent shaft end portion 2b. Each stage, and thus each impeller 4, is of the single suction stage, and the two impellers 4 carried by each shaft end portion 2a, 2b, have their inlet eyes facing towards the rotor of the motor, and thus facing in opposite directions at opposite ends of the rotor shaft, so that in operation, the thrust applied to the rotor shaft by the impellers at one end of the shaft is balanced by the thrust applied by the impellers at the other end of the shaft, thereby eliminating the need for substantial axial or thrust bearings. <IMAGE>
Patent GB-2045417-A (GB)
Title: Luminaire
IPC: F21V17/10
Filed: 1980-03-28
Abstract: A pole-mounted luminaire (10) is constructed to provide a square pattern of light distribution. Ready access to the luminaire's internal components, for example a reflector (19), a transformer (45), and a capacitor (47) is assured by utilization of a spring-loaded, easily removable top cover (57). The cover (57) includes a reflective surface (77) thereon which aligns with an aperture (75) located in the apex portion of the reflector (19) when the cover is in the closed position. The cover (57) is hinged by means of pivoted arms (59, 59') to a rectangular housing (11) comprising four side walls (13). The walls (13) are formed as identical aluminium castings which are interengaged and screwed together. <IMAGE>
Patent GB-2080739-A (GB)
Title: A dockship
IPC: B63B43/10
Filed: 1980-07-29
Abstract: A dockship with a large unobstructed hold (2) has a hatch opening (8) and hatch covers (9) which close the hatch opening (8). Hatch covers (9) are also used to form a removable portion (11) of the double bottom (12) of the ship. They may also be positioned at an intermediate height of the hold. <IMAGE>
Patent GB-2061725-A (GB)
Title: Portable fire fighting appliance
IPC: A62C25/00
Filed: 1980-10-29
Abstract: A portable fire fighting appliance comprises a pump and a stationary engine mounted on a frame 1. The frame is provided with at least one endless ground-engaging belt 3. The belt passes round and is worked by track wheels. The stationary engine has a power take-off which is connected to the track wheels by power transmission means, for example a gear transmission, whereby the belt 3 can be driven by the stationary engine. The appliance has steering means 9 and control means which are needed for driving the appliance. Thus, it is possible to transport a portable fire fighting appliance through rough terrain. <IMAGE>
Patent GB-2089303-A (GB)
Title: Adjustable air deflector assembly
IPC: B62D35/00
Filed: 1980-12-13
Abstract: An adjustable air deflector assembly comprises an air deflector member 20 pivotally mounted at one edge 22 to a motor vehicle cab roof 14 and being adjustable in inclination relative to said cab roof 14 by means of a compressed air operated adjustable strut assembly 24, 26, 28 and 30, said strut assembly being automatically adjustable in length in response to an air flow pressure signal generated, when the vehicle is in forward motion, by air flow over an air pressure sensor 36, 38 mounted adjacent a leading edge of a body roof portion 18 of the motor vehicle. <IMAGE>
Patent GB-2067581-A (GB)
Title: Copolymers of etherimides and amideimides
IPC: C08G73/14
Filed: 1981-01-06
Abstract: Copolymers useful in the coating and molding arts can have the general formula (a> <IMAGE>  wherein R is (a) a divalent organic radical of the formula   <IMAGE> or (b) a divalent organic radical of the general formula;   <IMAGE> wherein X is CyH2y-, y is a whole number from 1 to 5, and R<1> is (a) a divalent aromatic hydrocarbon or halohydrocarbon having from 6-20 carbon atoms, (b) an alkylene or cycloalkylene radical having up to 20 carbon atoms, (c) a C(2-8) alkylene terminated polydiorganosiloxane, or (d) a divalent radical having the formula;   <IMAGE> where Q is   <IMAGE> x is a whole number from 1 to 5, m and n are at least 1, and p is greater than 1.