baber/WOPTO huggingface dataset:
Patent GB-2075449-A (GB)
Title: Electric powered vehicles
IPC: B60L9/00
Filed: 1980-04-17
Abstract: An electrically powered vehicle 1 having an electric pick-up 9 for contacting an electrically conducting track 11 mounted externally of the vehicle 1, is connected to the pick-up 9 by means of a flexible electrically conducting cable 5. The cable 5 is supported by clips 19 to a supporting flexible elongate member 15 extending between the vehicle 1 and the pick-up 9. Both the cable 5 and member 15 are of variable length, and a variable portion of the cable 5 and member 15 is accommodated by reels 3 and 13, respectively, mounted on the vehicle 1. The vehicle 1 is preferably free steering, and may be used in mines. An electric pick-up system for an electrically powered vehicle is also described. <IMAGE>
Patent GB-2049916-A (GB)
Title: Gas burner
IPC: F23D14/48
Filed: 1980-04-21
Abstract: A gas burner 10 is provided with a main nozzle 14 and an auxiliary aperture 13 up stream thereof, said auxiliary aperture having a greater cross-sectional area than that of the nozzle. An air stream is directed at the nozzle alone while a supply of gas at variable pressure is provided to said burner. At low pressures the gas combusts preferentially at the auxiliary aperture and at high pressures preferentially at the nozzle by virtue of the negative pressure induced in the nozzle at higher pressures by the directed air stream. <IMAGE>
Patent GB-2077796-A (GB)
Title: Building blocks
IPC: E01F9/011
Filed: 1980-06-03
Abstract: The first block (10) is generally fully circular or annular in horizontal cross-section, with parallel, generally planar end faces (13) while the second block (11) closely matable with the first, is a double-concave member having two equal and opposite concavely arcuate faces (16) connected by two convex faces (17) the radii of curvature of the concave and convex faces being identical with each other (though mathematically of opposite sign) and with that of the first block (10). Thus, the second block (11) will interlockably complement on each side with a respective first block (10) the concave surfaces (16) of the second block (11) mating with the convex portion of the adjoining circular first blocks (10) with the centres of curvature being along a straight line or a curve, as desired. <IMAGE>
Patent GB-2061935-A (GB)
Title: Mercaptodihydroimidazopyridazinethione antifungal agents
IPC: C07D237/16
Filed: 1980-10-22
Abstract: Antifungal agents of the formula:-   <IMAGE>  and their zinc complexes of the formula:   <IMAGE> wherein R is a C1-C6 alkyl group, are disclosed, together with processes for their production and pharmaceutical compositions containing them.
Patent GB-2064999-A (GB)
Title: A method of manufacturing membranes for high-fidelity loud speakers
IPC: H04R7/12
Filed: 1980-12-12
Abstract: The disclosed method consists in shaping metal sheet, preferably hard aluminium or beryllium to form a cone 1. The smaller perimeter of the cone obtained in this way has a constituent fold or step 2 at a first reinforcement member, whilst the larger perimeter of the cone is provided with a fold 3 which forms a second reinforcement member. The fold 3 lies in a plane perpendicular to the axis of rotation of the membrane, and a resilient ring is attached to the fold 3 to facilitate vibration of the membrane. <IMAGE>
Patent GB-2066504-A (GB)
Title: Double Gauss type photo objective lens system
IPC: G02B9/62
Filed: 1980-12-23
Abstract: A high power photo objective lens system of the double Gauss type having a relative aperture of 1:1.4 and an image side back-focal length of at least 0.72 times the overall focal length, comprising an object side objective lens set (L1-L3) made up of three lenses whose convex faces are directed towards the object, the first two lenses (L1 L2) being collective and the third (L3) being divergent and, separated by an aperture space, an image side objective lens set made up of a two part divergent lens (L4) and a collective lens (L5), both having their convex faces directed towards the image, and a final collective lens (L6) the average overall value of the refractive numbers of the glass used for the collective lenses being less than 1.75 and, the average value of the refractive numbers of the glass of the first two lenses being less than 1.7, the air space between the second and the third lens having the shape of a thin diverging meniscus, and the first lens being comparatively spherically shaped in that its first radius is less than 85% of the overall objective length, the second lens compared to the first lens having only a low refractive power and there being a difference of less than 10% between the two radii of the second lens. <IMAGE>
Patent GB-2071491-A (GB)
Title: Comb
IPC: A45D24/10
Filed: 1981-03-11
Abstract: A comb, comprising a body (1) having teeth (2) projecting therefrom, is characterised in that the comb incorporates means for displaying an image, for example a mirror (3) which can be used to monitor combing the hair. The mirror (3) is preferably double-sided and formed of damage-resistant material. The body (1) may include a handle (7). The mirror may be replaced by a picture of a real person or of a cartoon character. <IMAGE>
Patent GB-2085433-A (GB)
Title: Poly quaternary ammonium compounds; flocculating agents
IPC: B01D17/04
Filed: 1981-04-02
Abstract: Bifunctional compounds represented by the formula   <IMAGE> in which Y represents alkylene, 2-hydroxy-1,3-propylene, -CH2CH2NHCONHCH2CH2- or -CH2CH2CH2NHCONHCH2CH2CH2 and x represents 0 or an integer from 1-7 obtained by the reaction of epihalohydrins and secondary amines, having two reactive terminal halogen atoms and at least one cationic group, are reacted with ammonia, monofunctional amines or bifunctional amines to give linear cationic products. The compounds I, their hydrolysis products and their reaction products with ammonia or amines are useful as demulsifiers for flocculating or breaking oil-in-water or water-in-oil emulsions. Certain of the reaction products II are novel. The compound I may be reacted with ammonia or a mono or tri- functional amine in a ratio 1:2 to provide compounds having terminal amino groups or with bifunctional amines in a ratio 2:1 to provide compounds having terminal halogen atoms which may be further reacted with ammonia or a monofunctional amine.
Patent GB-2075276-A (GB)
Title: Brush holder arrangement for a D.C. motor
IPC: H02K5/14
Filed: 1981-04-16
Abstract: The commutator (3) of the starting motor (1) for a vehicle has one pair of brushes (13a) of one polarity bearing thereon supported by an annular metal brush holder disc (8) in which a pair of guide brackets (9b) for the pair of brushes is formed integrally with the disc. The brushes are slidingly received in the brackets and are biased on to the commutator by springs (14a) anchored to projections (15b) also integral with the brackets. A further pair of non- integral guide brackets (9) are insulatingly mounted to the disc at 90 DEG  to the first pair to receive the other polarity brushes. The further brackets can also be made integral if some other brush insulating expedient is employed. The formation of the integral brackets and projections by shearing and bending the disc metal is described. <IMAGE>
Patent GB-2098024-A (GB)
Title: Horn loudspeakers
IPC: G10K11/02
Filed: 1981-05-01
Abstract: A horn loudspeaker having a directional characteristic is made from a horn loudspeaker having a circular radiation characteristic. It comprises a horn provided with two opposite walls 24, 24' whose distance apart increases, according to a given law, with increasing distance from the axis X of the horn, which axis is also the axis of the loudspeaker diaphragm 110. In the direction where sound radiation is not desired the space between the walls 24, 24' is filled with sound absorbent material M, e.g. of cellular or fibrous type. <IMAGE>
Patent GB-2078402-A (GB)
Title: Position adjustment system
IPC: B05B15/70
Filed: 1981-05-21
Abstract: A system for adjusting the "head-target" spacing between a device 12 for dispensing charged particulate coating material and an article 14, to be coated to account for variations in the profile or contour of the article or movement of the article transversely to the direction of motion of a conveyor 15 upon which the target is being conveyed past the device 12 continuously monitors the head-target spacing by monitoring the currant resulting from the flow of electrostatically charged atomised coating material particles to the target. The system feeds back this head-target spacing-related signal to a head positioning servomechanism including an hydraulic piston and cylinder 706 which controls protraction and retraction of the dispensing device 12. <IMAGE>
Patent GB-2082449-A (GB)
Title: Liquid applicators
IPC: A01M21/04
Filed: 1981-07-24
Abstract: A liquid applicator (30) for the selective application of liquid weed killer or insecticide, comprises a reservoir (31) for a liquid (32) to be applied to a selected location and an application surface (41) for applying the liquid (32) to said location, the surface (41) communicating or being communicable with the interior of the reservoir (31). The application surface (41) can be a surface of a body (40) of a liquid permeable material, such as, sponge, or a cellular synthetic plastics material, which is retained in a holder (36) upon which the liquid reservoir (31) is mounted. The reservoir (31) has at least one hole (33) in register or registerable with a corresponding hole (34) in a wall (35) of the holder (36), such that liquid (32) can permeate through the body (40) to the application surface (41). A valve arrangement can be provided for controlling the flow of liquid into the permeable body (40) and the reservoir (31) can be detachably secured to the holder (36) by means of a bayonet type fitting (47). A centrally-bored seal (37) may be provided between adjacent pairs of holes (33, 34) in the reservoir and holder wall (35) to provide a liquid tight seal therebetween and to bias the reservoir (31) away from the holder (36). A detachable handle (43) may be provided for manual use. <IMAGE>
Patent GB-2082707-A (GB)
Title: Enchanced recovery memory metal device
IPC: F16L13/00
Filed: 1981-07-30
Abstract: A sheet (10) of memory metal has a plurality of rectangular perforations (12) arranged in a rhombic lattice pattern, as indicated by lines (16). On recovery, the rectangular perforations (12) become diamond shaped, thus giving enhanced recovery of the sheet (10) in a single direction (14); that is to say recovery enhanced beyond the inherent recovery of the memory metal.
Patent GB-2103337-A (GB)
Title: Three-way normally closed pilot valve
Inventor: NEFF JAMES AUGUST
IPC: F16K31/42
Filed: 1981-07-30
Abstract: A three-way normally closed only, pilot valve (10) for supplying pressurized pilot air to a fluid flow control valve includes a valve body (11) with a pressurized pilot air inlet port (13), a cylinder port (21), an exhaust port (28), a poppet spool valve (39) is movably mounted in the valve body and a spring (41) and air assist (42) return means moves the poppet spool valve to the inoperative position whilst a solenoid (65) moves the valve to the operative position. The poppet spool valve has only one dynamic seal (50). The pilot valve includes a pair of longitudinally spaced apart, sharp edged valve seats (47, 48) which are alternately engaged, by a pair of longitudinally spaced annular valve members (45, 46) on the poppet spool valve, when the poppet spool valve is moved between the operative and inoperative positions. <IMAGE>
Patent GB-2081721-A (GB)
Title: Porous drawn polyurethane blended polymer films
IPC: C08J5/18
Filed: 1981-08-07
Abstract: A moisture vapour transmitting film comprising a blend of polyurethane and an incompatible polymer characterised in that the incompatible polymer forms a discrete phase within a continuous matrix of polyurethane and that said film contains voids and processes for the manufacture thereof.
Patent GB-2087840-A (GB)
Title: Metering valve for dispensing pressurized liquids
IPC: B65D83/14
Filed: 1981-09-15
Abstract: A pressurized liquid metering valve comprises a bowl element (2) associable to the mouth (3) of a container and accommodating a valve stem (4) therein which defines a metering chamber (5) in cooperation with a cylindrical body housed in the bowl element (2), this latter defining, at the bottom thereof, an abutment ring (10) engaging with a gasket (15) acting on the top ring of the container mouth (3) and encircling a hollow tailpiece (11) extending from the bowl element. <IMAGE>
Patent GB-2088832-A (GB)
Title: Bank note receiving apparatus
IPC: G07F19/00
Filed: 1981-10-22
Abstract: A bank note receiving apparatus for use in a change machine or an automatic deposit machine includes a bank note discriminating device (6) for checking whether or not a bank note is correct. The discriminating device signals which indicate why a bank note is incorrect are stored in a memory of a controller (7). In accordance with an instruction from an instruction input device (8), the signals are delivered from the memory of the controller to a printing device (9) which prints out the reasons why a bank note is incorrect, e.g. at the time the banknote is rejected or during a maintenance operation carried out on the machine. The printer may print out the number of times the same type of discrimination signal has caused rejection of banknotes. <IMAGE>
Patent GB-2108825-A (GB)
Title: Water boiling appliances
Inventor: TAYLOR JOHN CRAWSHAW
IPC: A47J27/21
Filed: 1981-11-04
Abstract: An electrically heated water boiling appliance (such as an electric kettle), provided with a thermally- sensitive switch unit responsive to steam generated when water boils in the appliance for terminating the supply of electrical power to the heating element of the appliance, has a handle 1 formed with an integral steam duct 6 for conveying steam generated by water boiling in the appliance to the switch unit 4. <IMAGE>
Patent GB-2094919-A (GB)
Title: Expansion anchor bolt
IPC: F16B13/06
Filed: 1982-02-25
Abstract: A high-load expansion anchor bolt has a threaded bolt 1 with a conical nut 5 engaging a longitudinally split sleeve 3. The bolt also carries a deformable annular member 4 and a spacer sleeve 2. The load is secured by a nut 13 and washer 12. The split sleeve 3 is characterised by longitudinal slots 8 which extend from an internally chamfered end 10 through a groove 6 adjacent the other end, the segments 9 so formed being joined together by a collar portion 7. In use the anchor is secured in a masonry hole both by expansion of the segments 9 and deformation expansion of the annular member 4. <IMAGE>
Patent GB-2095644-A (GB)
Title: A pantograph linkage
IPC: B25J3/04
Filed: 1982-03-25
Abstract: A pantograph linkage 11 is actuated by two linear actuators 30, 32 pivotally connected together at the linkage 11. The displacement of the actuators 30, 32 is monitored by rectilinear potentiometers to provide feedback signals to a microprocessor which also receives input signals related to a required movement of a slave end 26 of the linkage 11. In response to these signals, the microprocessor provides signals to control the displacement of the linear actuators 30, 32 to effect the required movement of the slave end 26. The movement of the slave end 26 might be straightline in a substantially horizontal or vertical direction. <IMAGE>
Patent GB-2117614-A (GB)
Title: Soil working machines
Inventor: CRAIG JOHN HENRY DESMOND
IPC: A01B33/14
Filed: 1982-04-01
Abstract: A rotor unit 10a for soil-working machines comprises hub with a hub plate 15 and a projecting boss, and a plurality of blades 18a having shanks 19a mounted at 30,31 on a face of the plate, with each shank having an edge portion at 22a tangentially abutting the boss. The blades may be placed on one side or both sides of the plate 15 and the removable points 23 have cutting edges 28 at both ends. <IMAGE>
Patent GB-2121161-A (GB)
Title: Air pressurisers/conditioners especially for tractor cabs
Inventor: MATTEI ELIANE
IPC: B60H1/00
Filed: 1982-10-11
Abstract: The operative within a work cab is protected from a polluted atmosphere by provision on the cab of an air pressurizer/conditioner which comprises an air treatment unit and a turbo-fan assembly. The air treatment unit (12) takes the general form of a parallelepipedic box having on one of its front faces a suction orifice 10a extending over the greater part of this face to allow access to the front face of the coarse filter element (15) and to the front face of the fine filter element (16), these said faces being attached mechanically and without a leak to an intermediate leak-proof frame. The turbo-fan assembly (19) is located inside the box downstream of the filter elements (15, 16 and 17) so that the air passes through the said filter elements as a result of suction and is delivered purified into the working cab (11) through a diffuser (24). A pressurizer is provided with a pressurization monitoring device and a toxicity detector (32) for the air forced into the cab.
Patent GB-2107422-A (GB)
Title: Reinforced pipes
Inventor: FAWLEY NORMAN C
IPC: F16L57/00
Filed: 1982-10-15
Abstract: The invention relates to the treatment of pipes to increase the ductile fracture resistance in the axial direction. According to the invention a plurality of continuous undirectional high-strength fibres are wound around a pipe (10) in the form of a wrapping (14). The fibres are typically tied in bundles (20), (Figures 4-6 not shown) and the fibre wrapping (14) itself may be protected by an outer layer (16), also wrapped around the pipe. The pipe may be steel, aluminium, copper or brass and the fibres may be applied with epoxy, coal tar or asphalt. The outer layer (16) may be coal tar or asphalt-saturated fibre tissue or asbestos felt. The burst strength of the treated pipe in the circumferential direction may be equal to its burst strength in the longitudinal direction. <IMAGE>
Patent GB-2110086-A (GB)
Title: Subcutaneous implant
Inventor: DRAKE CYRIL FRANCIS
IPC: A61D7/00
Filed: 1982-11-10
Abstract: A subcutaneous implant for supplying one or more trace elements to an animal is made from a zinc oxide based glass which is prepared in rod form, a short section of the rod being implanted under the skin of an animal. Typically the glass may contain selenium dioxide for supplying small quantities of selenium to the animal.
Patent GB-2111187-A (GB)
Title: Multi-plate oil cooler
Inventor: SCHWARZ GEBHARD
IPC: F28F3/04
Filed: 1982-11-11
Abstract: A multi-plate water-cooled oil cooler has a pack (5) of double-walled plates (11). in the gap (16) between adjacent plates flow guides are provided in the form of outwardly stamped configurations (20,21) which improve the flow in the gap (16), so as to achieve more even throughflow over the entire cross- section and enhanced cooling efficiency. <IMAGE>
Patent GB-2110098-A (GB)
Title: Soft toy and process of producing same
Inventor: FRENAY PIERRE
IPC: A63H3/02
Filed: 1982-11-17
Abstract: A toy (1) comprising a closed textile skin constituted of two pieces of stretchable fabric joined together edge-to-edge and enclosing a preformed, soft, shape-defining core 2. The skin is produced from two superimposed elementary panels (3, 4) one (3) at least of which comprises positioned printed coloured patterns (7), and said elementary panels are assembled together along a peripheral line (5) which has substantially the shape of the image of the toy projected onto a plane surface. <IMAGE>
Patent GB-2114199-A (GB)
Title: Barriers for flood water
Inventor: ISKRA MARIAN
IPC: E06B9/00
Filed: 1983-02-04
Abstract: A flood water barrier for a building has a channel section 10 sealingly secured around at least the lower part of an opening 11 in the building, and a panel 15 which is located in said channel section and is urged into engagement with a sealing strip therein by a plurality of clamps 16. <IMAGE>
Patent GB-2139566-A (GB)
Title: A tool
Inventor: LEWTHWAITE DAVID WILLIAM
IPC: B44C7/02
Filed: 1983-05-11
Abstract: A hand tool particularly for use in house decorating has a body comprised of a web 4 with reinforcing ribs 5, 6, and 11. A straight edge 8 is provided along one side of the body and a handle 12 and associated aperture 10 is provided at the other side of the body. <IMAGE>
Patent GB-2130345-A (GB)
Title: Ball valve
Inventor: GRAZIOLI ANGEL JEAN-MARIE
IPC: F16K5/06
Filed: 1983-08-25
Abstract: Sealing assemblies 22 for sealing against a ball valve 20 around the opening of the inlet and the outlet into and from the valve chamber, include a seat ring 30 having a pair of grooves 32, 38 facing the ball with a lip 36 therebetween. An anti-corrosion seal ring 34 preferably of PTFE is positioned in one of the grooves and held therein by the lip 36 being bent thereon.The seal ring 34 has an inner portion filling the groove and an outer portion extending normal to the surface of the ball and terminating in a flat sealing surface having a width less than the width of the seal ring in the groove. Springs 24 urge the assemblies 22 into engagement with the ball 20. Sealant may be introduced through passages 40. <IMAGE>
Patent GB-2126805-A (GB)
Title: Electrical plug
Inventor: WILSON ROBERT BROOKS
IPC: H01R13/56
Filed: 1983-09-12
Abstract: An electrical plug (1) comprises a housing having an upper part (2) connected to a lower part (3). Three electrical pins (4a, 4b, 4c) project through apertures provided in the lower face of the plug. The pins can be received in an electrical socket, and can be connected to a wire (5) which can deliver an electrical supply to an electrical appliance. A locking mechanism is provided and is movable between a locked position and an unlocked position by a key (21). In the locked position the lower part and the upper part are prevented from being separated, and pin (4a) is electrically disconnected from the wire (5). <IMAGE>
Patent GB-2133469-A (GB)
Title: A spark-ignition, reciprocating- piston internal combustion engine
Inventor: AMPFERER HERBERT
IPC: F02B1/04
Filed: 1984-01-13
Abstract: The oval combustion chamber cavity (9) in the piston (3) widens out in a tapered manner towards the cylinder head (1) and is surrounded on all sides by a squish region (18, 18a). The sparking plug (20) is offset by a distance (s) from the median line (37) of the combustion chamber (9) and is disposed in the half of the combustion chamber which contains the exhaust port. When the combustion chamber (9) is used for a four-cylinder, in-line internal combustion engine the sparking plugs (20) of the two outer cylinders (27, 29, Fig. 5) are positioned offset to the outside by the distance (s) with respect to the combustion chamber median lines (37) and the sparking plugs (20) of the two inner cylinders (26, 28, Fig. 5) are positioned offset to the inside towards the median plane (25) of the engine, in order to achieve equally long air induction paths for all the cylinders and an optimum combustion process. <IMAGE>