baber/WOPTO huggingface dataset:
Patent GB-2070497-A (GB)
Title: Knives
IPC: A61C3/02
Filed: 1981-02-25
Abstract: A gingivectomy or similar knife, having an elongate handle (10) connected at one end through a curved stem (11) to a head (12) with a blade-receiving slot (14) therein extending transversely relative to the stem, is improved by the provision of a blade securing arrangement including elongate laterally-flexible means (18) extending between the handle and head, within a hollow (16) through the stem, and a mechanism (30, 31) coupled with the handle and cooperable with the elongate means adjacent the handle to forcibly engage the opposite end into the slot to clamp a blade (13). The elongate means can be a unitary member such as a wire 18, or a succession of discrete members such as ball bearings. The mechanism can be a compression spring acting between the handle and elongate means, or a screw element (30, 31) movable in the handle to act on the elongate means. The elongate means can be encapsulated, at least at its end portions, with elastomeric material to seal the associated hollow. <IMAGE>
Patent GB-2075341-A (GB)
Title: Pharmaceutical compositions
IPC: A61K9/06
Filed: 1981-04-21
Abstract: An anti-inflammatory phamaceutical composition is described which is adapted for topical application to the eye and contains as active principle a compound of formulaor a pharmaceutically acceptable salt thereof where R<sub>1</sub> is a chlorine atom or a methyl group, R<sub>2</sub> is a hydrogen atom or a methyl group and R<sub>3</sub> is a hydrogen atom or a methyl group. The composition may be used to treat ocular inflammation.
Patent GB-2101081-A (GB)
Title: "Bags"
Inventor: EMM JOHN GEORGE BENJAMIN
IPC: B65D33/24
Filed: 1981-07-06
Abstract: A bag has a first flap portion 10 comprising a separate piece of material attached along part of the periphery of the mouth of the bag and arranged in use to have a first panel extending beyond the mouth of the bag and a second panel folded back from the outer edge of the first panel. A second flap portion 11 extends from a part of the periphery opposite to the first said part and is arranged to be positioned between the two said panels of the first flap portion. The two said panels and the second flap portion 11 have aligned apertures 13 therein so arranged that a person can grip the parts of the flap portions above the apertures to carry the bag. <IMAGE>
Patent GB-2102453-A (GB)
Title: Protecting silver and copper films
Inventor: SERVAIS ALBERT
IPC: C23F11/14
Filed: 1981-07-15
Abstract: When producing an article comprising a substrate bearing a thin film of copper or silver treated by a substituted azole, in order to improve the protection afforded, the metallic film is wetted and is then contacted by an aqueous solution of substituted azole e.g. by spraying while the metallic film is still wet. The use of 5-aminotetrazole is preferred.
Patent GB-2103782-A (GB)
Title: Device for passive heat transport
Inventor: THOMA HANS
IPC: F24J2/44
Filed: 1981-08-10
Abstract: A device for the passive transport of heat, particularly downwardly, comprises an evaporator (1), condenser (3), a reservoir (6) and at least one non-return valve (4), all for a working fluid. The reservoir is at a level higher than the evaporator, and a tube (8) is provided for returning the liquid from the reservoir to the boiler. <IMAGE>
Patent GB-2085319-A (GB)
Title: Agitator ball mill
IPC: B02C17/16
Filed: 1981-09-28
Abstract: An agitator ball mill has a separator device such that a build-up of grinding bodies before the separator sieve is avoided and the entire sieve area is affected by the movement of grinding bodies and ground material. Replacement of the separator sieve is made possible without emptying of the grinding container. The separator device consists of a flat sieve 11 arranged parallel with the axis of the agitator shaft 9 at the highest point at the end of the grinding chamber 6 in a lid 3 serving as a sieve housing and covered by a collecting hood 18 for ground material. This hood has an obliquely upwardly directed outlet pipe 5. <IMAGE>
Patent GB-2089857-A (GB)
Title: Non-Asbestos Paper Comprising a Matrix of Ball Clay
IPC: D21H17/36
Filed: 1981-11-26
Abstract: Non-asbestos alternatives to asbestos papers comprise a matrix of unfired ball clay which is reinforced by organic web-forming fibres such as cellulose and by either:-     (i) vitreous fibres derived from wool-form material or (ii) fine particles of a non-fibrous charged-layer-silicate mineral such as mica the whole being bound together by a binder which consists essentially of a synthetic resin of the acrylic or polyvinyl acetate variety.
Patent GB-2091038-A (GB)
Title: Step-wise Variable Capacitor
IPC: H01L29/93
Filed: 1981-12-09
Abstract: A variable capacitor comprising a plurality of combinable capacitative elements formed on the surface of an insulating or semiconductor substrate (9). The capacitative elements consist of conducting regions (10A to 10E) partially covered by an insulating layer (11), which is in turn covered by a further common conducting layer (12). Switches S (1-5) are provided and connected respectively to the capacitative elements to enable selective combination of the capacitative elements. In some embodiments the switches are semi- conductor switching devices provided on the surface of the substrate (9) (diodes, transistors, FET or photoresponsive elements). <IMAGE>
Patent GB-2114377-A (GB)
Title: Process and apparatus for the electrical corona treatment of materials in web form or shaped bodies, only on one side thereof
Inventor: KALWAR KLAUS
IPC: H01T19/04
Filed: 1982-01-29
Abstract: Electrical corona discharge apparatus for treating sheet materials or shaped bodies has one or more point electrodes (3) and earth electrodes (4) embedded in a solid insulating body (5), the point electrode or electrodes projecting from a surface of the body so as to lie nearer the surface to be treated than the earth electrode or electrodes, and producing a free corona jet (6) axially extending from the point electrode. Several point electrodes may be located in parallel rows with ball electrodes at the end of the rows, or in circular, spiral or elliptical rows. Provision is described to achieve relative movement between the electrode assemblies and the treated body. <IMAGE>
Patent GB-2094314-A (GB)
Title: Recombinant DNA
IPC: A61K39/00
Filed: 1982-02-04
Abstract: Recombinant DNA coding for the K99 antigen of enteropathogenic strains of Escherichia coli. Such recombinant DNA could be used to produce sufficient quantities of K99 antigen for incorporation in a vaccine against scouring, which is a diarrhoeal disease of adult and particularly neonatal animals. DNA coding for the E. coli K99 antigen can be obtained from the K99 plasmid of E. coli K12. The DNA can then be cloned in a high copy number plasmid such as pBR322 in E. coli C host cells and expressed to give the desired antigen.
Patent GB-2092671-A (GB)
Title: Controlling a motor vehicle engine compartment cooling air intake
IPC: F01P7/10
Filed: 1982-02-10
Abstract: A diaphragm (5) movable in response to a pressure difference across it created by intake manifold vacuum, and also movable in response to movement of a member (12) responsive to the temperature in the engine compartment is transmitted by a lever arrangement (9) to a control lever (10) which controls the position of slats which in turn control the flow of air into the engine compartment. An electric fan control may be linked to the slat control. <IMAGE>
Patent GB-2124035-A (GB)
Title: Printed circuit boards
Inventor: EL REFAIE MOHAMED MAH ABDALLA
IPC: H05K3/40
Filed: 1982-07-15
Abstract: A printed circuit board structure comprises a number of dielectric laminates 3, a sheet of thermally conductive material 1 and a further dielectric laminate 4. The sheet 1 has clearance apertures for subsequent holes 5 for plated through interconnections. Metallic conductor patterns 6 are formed on the outer surfaces of the structure. The asymmetrical placing of the thermally conductive layer with respect to the central plane of the structure provides maximum heat transfer from leadless electronic chips affixed to the conductor pattern. The dielectric laminate 4 may have apertures through which parts of the thermally conductive layer protrude to make contact with the chips. <IMAGE>
Patent GB-2110479-A (GB)
Title: Electrical bushing and method of manufacture thereof
Inventor: FRITSCHE JOEL LEIGH
IPC: H01B17/28
Filed: 1982-09-20
Abstract: An electric bushing comprises an electrical conductor (6), a first insulating layer (12) on the conductor, a stress grading layer (14) over the insulating layer, and an outer insulating layer (4) mechanically connected to a flange (2) which is electrically connected to the stress grading layer in such a manner that minimal, if any, mechanical stress is transmitted from the flange (2) to the stress-grading layer (14). The flange (2) serves to mount the bushing on to the metal housing of an electrical apparatus, such as switchgear or transformers. The flange (2) is of metal or contains a metal element and is electrically connected to the housing, when installed, making an electrical connection between the housing and the stress grading layer (14). The outer insulating layer (4) is sealed to the end regions (8, 10) of the electrical conductor (6) providing mechanical attachment between the conductor (6) and the flange (2) which secures the bushing to the electrical apparatus.
Patent GB-2127931-A (GB)
Title: Front wheel drive assembly for a vehicle
Inventor: NISHIHARA TADAO
IPC: F16H1/28
Filed: 1982-09-27
Abstract: A front wheel drive assembly for agricultural vehicle or the like comprises a front axle housing 2 accommodating a front wheel drive shaft 1. An inner gear case 3 is attached to the outer side of the front axle housing 2. An outer gear case 4 is steerably secured to the inner gear case 3. A planetary gear mechanism (13, 14, 18, 21a) is adapted to be driven by the front wheel drive shaft 1 through bevel gear mechanisms (12, 6, 7, 20), and is supported by an intermediate seat 17 which is fitted in the outer gear case 4. The arrangement is such that, when a cover 25 supporting the front wheel axle 24 is coupled to the outer side of the outer gear case 4, the front wheel axle 24 is automatically fitted to the output shaft 13c of the planetary gear mechanism (13, 14, 18, 21a). <IMAGE>
Patent GB-2118370-A (GB)
Title: Housing for cooling electrical equipment
Inventor: MCDONALD THOMAS VICTOR
IPC: H05K7/20
Filed: 1982-11-17
Abstract: A housing for electrical equipment has its upper and lower faces 20 and 30 formed by two box-shape sections 100 and 200. Each section is made from two parallel metal plates 21 and 106, and 31 and 201 separated by metal extrusions 104, 105, 109 and 110, and 202, 203, 204 and 205 to which the plates are rivetted at their edges. The plates have venting apertures 22, 111, 206 and 31 that allow cooling air to flow through the sections 100 and 200, and through the housing. Side plates 51 and 61 are joined at their edges to the extrusions of respective box-like sections. The housing has two compartments which are screened from one another by a dividing wall 3. One compartment has rails by which electric circuit cards are mounted vertically in the compartment such that they can be readily removed through a front aperture 12 that is closed by a removable cover plate 13. <IMAGE>
Patent GB-2113503-A (GB)
Title: Electro-acoustic transducers
Inventor: WEST LESLIE LEONARD
IPC: H04R31/00
Filed: 1982-12-14
Abstract: A method of producing a transducer in which the fine tolerances are obtained by a two stage moulding process. Features include retention of the coil by the moulding process and accurate dimensioning of the magnet by depression of the soft iron core.
Patent GB-2111753-A (GB)
Title: Thermally-sensitive controls for electric heaters
Inventor: TAYLOR JOHN C
IPC: H01H37/64
Filed: 1982-12-16
Abstract: A thermally-sensitive control of an electric kettle or like container is mountable to the head 2 of an electric heater. A memory metal or snap-acting bimetallic actuator 32 is mounted between the control body 10 and the head 2 so as to be in good thermal contact with part of the heating element, such that in the event of the element overheating, operation of the actuator opens switch means to interrupt the power supply to the heater. The switch means includes two sets of breakable contacts, each set including a movable contact spring 18 adapted for engagement, during normal use of the heater, with a stationary contact 19 mounted directly to a respective cold lead 7 of the heater. <IMAGE>
Patent GB-2113475-A (GB)
Title: Coils constructed to lessen stray capacitance
Inventor: AKIBA YUTAKA
IPC: G11C19/08
Filed: 1982-12-22
Abstract: A plurality of plural-layer elementary coils (1-a, 1-b;) are aligned along their central axes and integrally coupled together to constitute a composite coil. The elementary coils are electrically connected to each other either in series or in parallel in order to reduce the influence of the interlayer stray capacitance thereby reducing the high-frequency loss. Insertion of an insulating sheet between the layers of the coil further enhances this reduction. This sheet may have apertures therethrough. <IMAGE>
Patent GB-2120092-A (GB)
Title: Adjustable seat assembly having a pair of independent actuator mechanisms
Inventor: MURPHY RANDALL T
IPC: B60N2/18
Filed: 1983-05-20
Abstract: A vehicle seat includes a first actuator mechanism (66) for adjusting the height of the front of the seat and a second actuator mechanism (84) for independently adjusting the height of the rear of the seat. A pair of opposite front lever arms (20) are interconnected by a front torsion bar and are pivotally (22, 28) connected to a base (10) and a seat support (12). A biased (45) pivoted (53) camming plate (49) selectively and positively locks a pivoted (42) toothed (44) latch plate (40) to a toothed (30) one of the front lever arms. A pair of opposite rear lever arms (22) are interconnected by a rear torsion bar, and are pivotally (34, 32) connected to the base and the seat support. The camming plate is operable by the first actuator mechanism (66). The second actuator mechanism (84) includes a screw and nut drive assembly (90, 92) for rotating the rear torsion bar. <IMAGE>
Patent GB-2126486-A (GB)
Title: Golf club set
Inventor: SOLHEIM KARSTEN
IPC: A63B53/02
Filed: 1983-06-06
Abstract: In a set of correlated golf clubs, the heads 30 are provided with a narrow neck 36 connecting a main body 32 of the club head to its hosel 34. A midsection 46 of the neck 36 has a cross section of maximum dimension less than the diameter of the hose 34 so that, when the main body 32 of the club head 30 twists under impact with a ball, the narrow neck 36 will function as a torsion bar with most of the torsion occurring in the midsection 46. In that manner, the twisting motion of the main body 32 is uncoupled from the hosel 34 and shaft. <IMAGE>
Patent GB-2124868-A (GB)
Title: Seed sower
Inventor: ROWLAND ROBERT HUNT
IPC: A01C7/16
Filed: 1983-06-20
Abstract: Seeds or fertiliser are dispensed in accurately metered quantities and in spaced-apart rows by means of a horizontal tube 4 mounted to rotate about an axis transverse to the direction of travel, and containing a single detachable helix 5 throughout its length. Spaced inlets 6 (Fig 2) and outlets 7 along the length of the tube form separate spaced dispensing arrangements for the individual rows, all using the same metering helix. <IMAGE>
Patent GB-2122401-A (GB)
Title: Voice-activated computerized recording device
Inventor: DUQUESNOY RENE J
IPC: G10L15/00
Filed: 1983-06-21
Abstract: In apparatus for recording data produced by the microscopic examination of cellular material after its reaction with a plurality of reagents positioned in wells (20) on a carrier (18), a microphone (28) is positioned in proximity to the microscope (10) so that the technician may speak the reaction score resulting from the examination into the microphone. A voice recognition circuit (30) is coupled to the microphone to produce an electrical signal indicative of the spoken reaction score. The electrical signal is compared with pre-established signals representing standard data, and data recognized in the comparison are stored by recording and storage means (32), such as a programmable digital computer. The data and the analysis may be displayed in graphic form. <IMAGE>
Patent GB-2124526-A (GB)
Title: Casting hollow articles
Inventor: WORSWICK ANTHONY CHARLES
IPC: B22D25/02
Filed: 1983-07-29
Abstract: In the casting of closed hollow articles, air or other gas is deliberately introduced into the interior of the cast shell in order to facilitate drainage of the residual molten metal by gravity after mould-filling pressure is released. The air is introduced through an aperture formed by puncturing or locally melting the shell or (Fig. 2, not shown) by way of the conduit provided for feeding the molten metal to the mould. <IMAGE>
Patent GB-2123630-A (GB)
Title: Signal modulating circuitry
Inventor: WOODCOCK FRANK
IPC: H03C3/22
Filed: 1983-08-01
Abstract: A signal modulating circuit, especially for incorporation in home computers of the kind provided with an internal speaker for providing an audio output, serves to transform the computer-generated audio signals into a form suitable for onward transmission to a TV receiver via a video modulator incorporated in the computer. The modulatable oscillator comprises parallel varicap diodes D1, D2 and a transistor oscillator having a tuned circuit L1, C4, C5 tuned to the intercarrier sound frequency. The audio input is also directly injected over a rectifier diode D3, to improve gain. <IMAGE>
Patent GB-2136083-A (GB)
Title: Protective Cover for Underwater Flowline Hub
Inventor: MORRILL CHARLES DONOVAN
IPC: F16L1/26
Filed: 1983-09-16
Abstract: A temporary hub cover for the hubs 50 of flow lines, hydraulic lines, and electrical conduits and the mating hubs of the underwater production unit includes a body 52 enclosing the hub, and plungers 130 within the body for releasably engaging into detents on the hub to hold the cover on the hub, the plungers being in the form of rods 142 held in their upper position by shear pins 146. The rods are connected to a trigger plate 150 which when forced downwards, shears pins 146 and allows 130 to be biased out of the hub face thus releasing the cover from the hub. <IMAGE>
Patent GB-2130204-A (GB)
Title: Antiviral purines
Inventor: SCHAEFFER HOWARD JOHN
IPC: C07D473/24
Filed: 1983-10-14
Abstract: Compounds of the general formula   <IMAGE> (wherein X is sulphur or oxygen or a chemical bond; R<1> is halogen, amine or azide; R<2> is hydrogen, hydroxy, alkyl or hydroxyalkyl; R<3> is hydrogen or alkyl; R<4> is hydroxy, hydroxyalkyl, benzyloxy, phosphate or carboxypropionyloxy; R<5> is hydrogen, alkyl or hydroxyalkyl) and salts and esters thereof, have been found to have valuable antiviral activity particularly against herpes viruses. Methods for the preparation of the above compounds are described as well as pharmaceutical formulations containing such compounds.
Patent GB-2150416-A (GB)
Title: Boning of meat
Inventor: VICKERY JOSEPH COLIN
IPC: A22C17/00
Filed: 1983-12-01
Abstract: A tool for boning meat includes an applicator and cutter, the cutter being an elongate flexible element with repeatedly changing cross-section and the applicator being formed to co-operate with a bone end to, in operation, pass a loop of the cutter from around the applicator to around the bone, the tool including means to drive the cutter lengthwise to cut along and round the bone. The cross-section may change in only shape or only area or both shape and area. For example, cutter 3 has spaced projections, and may be a monofilament knotted at intervals. It is driven by pulley 2 operable by a flexible drive (8) and is placed in position on the bone by tubular applicator 5. <IMAGE>
Patent GB-2154222-A (GB)
Title: Production of lithium metasilicate
Inventor: RIGBY FRANK
IPC: C01B33/32
Filed: 1984-02-14
Abstract: Lithium metasilicate is produced by heating an intimate stoichiometric mixture of lithium carbonate and silica in an atmosphere of carbon dioxide, which may also contain water vapour.
Patent GB-2147052-A (GB)
Title: Additional propellant for rocket
Inventor: SUZUKI SATORU
IPC: F02K9/62
Filed: 1984-04-02
Abstract: Propellant for a rocket engine comprises a fuel (3). an oxidising agent (4) for the combustion of the fuel in a combustion chamber 2 and an additional propellant comprising a source of high pressure air (5) which is supplied to the combustion chamber 2 for promoting carburation of the fuel (3) and increasing the propulsive power of the engine. <IMAGE>
Patent GB-2139320-A (GB)
Title: Crankshaft for compressors
Inventor: ANDRIONE NORBERT
IPC: F16C3/14
Filed: 1984-04-19
Abstract: A crankshaft (5) for hermetic compressors has a tubular portion (8) at its lower end attached to a tubular neck (9) of plastics material which diverges upwardly. The neck (9) is intended to draw the lubricant from the bottom of the compressor casing as a result of the rotation of the shaft (5) and to deliver this lubricant into the tubular portion (8) of the shaft (5) itself. At its lower end the tubular portion has an external annular groove (16) with a lower frusto-conical side converging upwardly. The upper part of the neck has a resiliently yeldable sleeve (18) fitted onto the lower end of the tubular shaft portion (8). The inner wall of the sleeve has tooth-shaped projections which cooperate like a cam with the lower frusto-conical side of the said groove (16) to urge the neck (9) upwardly, as a result of the resilience of the sleeve (18), to a position of fluid-tight coupling with the lower end of the tubular shaft portion (8). <IMAGE>
Patent GB-2143018-A (GB)
Title: Cryogenic refrigerator
Inventor: SARCIA DOMENICO S
IPC: F25B9/14
Filed: 1984-05-30
Abstract: A cryogenic refrigerator operates in a first mode wherein an electrical motor (36) reciprocates a displacer (16), in a second mode wherein the displacer is reciprocated by both the motor and fluidic pressure, and in a third mode wherein the displacer is reciprocated by fluidic pressure. In the third mode the refrigerator is able to function in a strong magnetic field. <IMAGE>
Patent GB-2150155-A (GB)
Title: Metallurgical processes
Inventor: NIXON IVOR GRAY
IPC: C21C5/52
Filed: 1984-08-23
Abstract: The invention relates to various energy saving measures for use in the smelting, refining and melting of metals, and in particular in the manufacture of steels, alloy steels and ferrous alloys. In such processes fuel consumption is reduced and efficiency improved by using in the oxy-fuel or air-fuel burner a fuel (referred to as an "X-type" fuel) which has an exothermic heat of decomposition or which has only a zero or a very small endothermic heat of decomposition. The invention also relates to an oxy-fuel or air-fuel burner for use in a metallurgical process using an X-type fuel, which burner uses as coolant for the burner walls and tip the fuel used in the burner.
Patent GB-2164458-A (GB)
Title: Tracking adjustment apparatus
Inventor: BADCOCK ROY ERIC
IPC: G01B5/255
Filed: 1984-09-06
Abstract: Apparatus for enabling toe-in and track adjustments on a road vehicle comprises a frame (16) which is placed around the vehicle, the frame including bars (18) extending longitudinally of the vehicle on opposite sides thereof, and gauging devices (24), one for each road wheel (12), which cooperate between the said bars and the vehicle wheels to enable movement of the frame into a position, defined by the readings of the respective gauging devices (24), in which the median line between the bars corresponds to the true longitudinal centre line of the vehicle. The bars (18) can then be used as a reference for toe-in and track adjustments. <IMAGE>