baber/WOPTO huggingface dataset:
Patent GB-2000251-A (GB)
Title: Improvements in hydraulic dampers
IPC: F16F9/32
Filed: 1978-06-16
Abstract: A hydraulic damper comprises a vertical cylinder, a piston rod having a piston working in the cylinder and projecting out of the cylinder, and a rod guide 14 disposed in the upper end of the cylinder for slidably guiding the piston rod 13. A dish-like shaped member 18, having a central opening through which the piston rod freely passes, is mounted on the upper end of the cylinder above the rod guide, and a protecting member 19 having a bore slidably engaged by the piston rod is provided to cooperate with the dish-like shaped member for closing the space formed between the through opening and the piston rod. <IMAGE>
Patent GB-2025811-A (GB)
Title: A Method of Forming a Lubrication Groove in the Bearing Surface of a Headed Bearing Member
IPC: B24B1/00
Filed: 1978-07-17
Abstract: A method of forming a lubrication groove in the bearing surface 4 of a headed bearing member 1 in which the lubrication groove extends in the direction of the axis 5 of the head. The method comprises mounting the bearing member 1 in a non-rotational condition; bringing the bearing surface 4 into co-operation with a grinding wheel 6 so that the bearing surface 4 cooperates in substantially complementary manner with the peripheral edge 8 of the grinding wheel (the surface of which edge is of substantially complementary profile to that of the bearing surface) and, with the grinding wheel 6 rotating and the bearing member 1 non-rotating, displacing the head and grinding wheel towards each other so that the axially extending groove is ground into the bearing surface on the head of the bearing member. The bearing surface 4 can be formed by centreless grinding and the grinding wheel can be that used in the centreless grinding operation.   <IMAGE>
Patent GB-2004045-A (GB)
Title: Headlight for vehicles
IPC: F21V17/00
Filed: 1978-09-07
Abstract: A vehicle headlight with a paraboloidal reflector (2) enclosed by a front glass or lens (1) has an infra-red heater (7) disposed in its interior space in the immediate vicinity of the headlight lamp (4) and the focal point (F) of the reflector to provide heating for the removal of snow or ice from the front surface of the lens. <IMAGE>
Patent GB-2031040-A (GB)
Title: Shrinking Textile Fabric or Paper
IPC: D06C21/00
Filed: 1978-09-26
Abstract: A textile fabric or paper shrinking machine in which an endless elastically-extensible belt 15 travels over front and back idling rollers 1, 13 and is driven by a third roller 6 which applies pressure to the belt, the textile fabric or paper being shrunk by the contraction of the belt after passing through the nip between rollers 1, 6, characterised in that the roller 1, Fig. 1, or the roller 6, (Fig. 3), is mounted in a block moveable in a horizontal direction to vary the arc of contact of the belt 15 with the driven roller 6, the driven roller 6 being mounted on a vertical slide 8 with adjustment to vary the nip between the driven roller 6 and the roller 1, the rollers 1, 13, 6 being mounted in an open sided frame to facilitate the changing of the belt 15. <IMAGE>
Patent GB-2023644-A (GB)
Title: Improved Lubricant
IPC: C10M173/02
Filed: 1978-10-18
Abstract: This invention relates to lubricants for use in connection with machining operations and especially in connection with such operations on metal. The invention is more particularly concerned with lubricants for turning and/or burnishing operations on platinum metal and platinum base alloys, as well as other platinum group metals and alloys thereof, whereby a high surface finish may be obtained and wear of the cutting and/or burnishing tool reduced. Specifically the lubricant according to the invention comprises gelatine and water.
Patent GB-2024103-A (GB)
Title: Inking ring
IPC: B65B61/26
Filed: 1978-10-24
Abstract: A flexible, inking ring formed as an annular band 22 of resilient spongy ink absorbent material, a liner 28 of ink impervious thin rubber along the inner wall of the ring and extending along the limited portion of the opposite sides of said ring and a woven textile sleeve 30 surrounding the remainder of the annular band and embedded between liner and band. <IMAGE>
Patent GB-2012409-A (GB)
Title: A Tower or Stack
IPC: E04H12/28
Filed: 1979-01-30
Abstract: A tower or stack in cross-section has at least one re-entrant corner (5) for accommodation of and attachment to a corner (6) of an offshore platform (7). The tower carries flares, conduits or chimney stacks, tapers inwardly from bottom to top and comprises superposed units each comprising two lattice frames 3 intersecting at right angles. <IMAGE>
Patent GB-2045486-A (GB)
Title: Method of and apparatus for decoding information from relatively noisy information signals
IPC: G08B1/08
Filed: 1979-02-02
Abstract: The rings given by a bell are detected by a microphone 2 and the derived electrical signal 22 is processed by a high pass filter 23 so that wave packets corresponding to trembler actuation are selected. The wave packets are then filtered through a low pass filter (32) so that trains of trembler actuations and thus number of bell actuations can be determined. <IMAGE>
Patent GB-2016049-A (GB)
Title: A method of producing large area semiconductor components by electrolytic deposition
IPC: H01L31/20
Filed: 1979-03-07
Abstract: A method of producing large area semiconductor components of binary compounds by electrolytic deposition comprises carrying out deposition using metallic layers as electrodes and with the two components of the compound present in the electrolyte, one of the two components being reduced cathodically at one of the electrodes and being adsorbed thereby and the second component reacting with the cathodically reduced component to form the binary compound.
Patent GB-2050265-A (GB)
Title: Rough terrain vehicle chassis
IPC: B62D53/08
Filed: 1979-06-04
Abstract: A power driven vehicle, for example an earthworking vehicle, incorporates its own power unit and comprises a primary chassis 10 supported on respective front and rear ground- engaging pairs of wheels, and a secondary chassis 16 carrying the power unit and the other major power pack components. The secondary chassis is mounted slidably on the primary chassis between the front and rear wheels, and flexible hydraulic drive lines connect the power unit to individually drivable hydraulic motors one in the hub of each wheel. A hydraulic ram 22 can be operated to move the secondary chassis, selectively towards and away from either end of the primary chassis, without disrupting the drive lines to the motors. The ram can be hydraulically locked to hold the secondary chassis at any selected position within its range of movement, in which position the drive lines to the wheels can continue to function. Each wheel is independently steerable and independently movable vertically. Alternative means for driving the wheels and moving the secondary chassis are disclosed. <IMAGE>
Patent GB-2032643-A (GB)
Title: Fibre optical connector
IPC: G02B6/38
Filed: 1979-06-14
Abstract: A connector member (10) for an optical fibre cable (12) in which the fibre (14) is capable of axial movement relative to a loose jacket (16) thereon, such as a plastic clad silica fibre cable. The connector member (10) comprises a ferrule (28) slidably mounted in a connector shell (18). The cable jacket (16) is secured to the shell (18) while the fibre (14) is connected to the ferrule (28), whereby axial movement of the fibre relative to the jacket of the cable is not translated to the connection of the fibre to the ferrule. This reduces the risk of fibre breakage while the cable is being handled. <IMAGE>
Patent GB-2054860-A (GB)
Title: Improvements relating to rotary speed transducers
IPC: G01P3/483
Filed: 1979-07-25
Abstract: A transducer, designed for coupling to an automotive gearbox to give electrical pulses corresponding to the rotation of the gearbox output shaft, has a housing (1) made up from two matched halves (2a, 2b) forming a central chamber with two coaxial passages extending in opposite directions. A rotor has a shaft (12a, 12b) which rotates in these passages and a central disc (13) which spins freely between stator discs (7a, 7b) insulatedly mounted within the central chamber. The rotor and stator discs have circumferentially spaced electrically conductive zones and the stator discs are wired (10a, 10b) to the exterior where the changing capacitance due to the intervening rotor can be sensed. One end of the rotor shaft (12a) is formed as a spade (16) for engagement with a rotary element in the gearbox, and the attachment of the housing is by a union nut (18) retained by a circlip (17). <IMAGE>
Patent GB-2055515-A (GB)
Title: Frequency Converting Arrangement
IPC: H02K47/18
Filed: 1979-07-27
Abstract: The arrangement makes use of a rotary dynamo-electric machine (6) having stator and rotor windings (7, 5) wound as for a wound-rotor induction motor with one of the windings connected, for example via a control device (3) to the output of a three- phase generator (1), e.g. a wind or tidal power generator, having a first frequency which may vary, and the other connected to conductors (9) of a three-phase supply of substantially constant frequency e.g. the National Grid. Then, provided the output power of the generator (1) exceeds a certain value, power at said supply frequency will be fed back into the supply irrespective of the generator frequency. The use of slip-rings (4) can be avoided by replacing the induction machine with two similar machines having their rotor windings interconnected and the stator windings connected to the generator and supply respectively. <IMAGE>
Patent GB-2035219-A (GB)
Title: Method of coil winding and magnet arrangement for dot matrix print head
IPC: B41J2/29
Filed: 1979-07-31
Abstract: The print head includes a number of hammer assemblies, each composed of a plurality of extremely thin, substantially planar hammers 50 suspended in closely packed side-by-side relationship, all of which are situated between a single pair of "U"-shaped primary magnets and having a printing needle 90. Two sets of field shaping magnets are utilized to concentrate the magnetic flux between the primary magnets to produce a more uniform field. Each hammer 50 consists of an aluminium frame 69 to which a coil 80 is mounted. To maximize the number of coil windings within the very limited space, the wire is wound with the middle portion adjacent the inner periphery thereof, forming an inner turn, and the ends wound sequentially in different directions, to form a coil where the leads extend from the outer turns in the plane of the windings. <IMAGE>
Patent GB-2039339-A (GB)
Title: Joining device
IPC: F16B12/20
Filed: 1979-10-19
Abstract: A device for joining furniture panels comprises a pin (2) in the form of a steel screw for insertion in wood and chipboard. The screw is inserted into one edge of a panel (4). The screw is symmetrical about its axis and has a head 14 and a collar 18. The other part of the device is a plug-like holding member (8) fitted into a recess (10) in the face of another panel (12). A grub screw (66) is screwed into the holding member (8) and pushes against the head 14 of the screw (2) to clamp the two panels together. <IMAGE>
Patent GB-2035661-A (GB)
Title: Disc record having flat-top playing surface
IPC: G11B3/68
Filed: 1979-11-09
Abstract: Signals are mechanically recorded on a disc master 10 such that the direction and the contour of a spiral groove cut by a chisel-shaped tip of a recording stylus on the master is opposite to the direction and the contour of a spiral raised portion disposed on a resulting disc record. The resulting spiral raised portion disposed on the record surface contains undulations representative of signal elements defining an information track therein. In the master, a spiral ridge separates the tracks. This ridge produces a separating groove in the pressed record which separates tracks formed by the raised spiral portion. <IMAGE>
Patent GB-2037626-A (GB)
Title: Manufacture of metallic composite sections
IPC: B21D47/04
Filed: 1979-12-04
Abstract: A cold rolled metal section is manufactured from a base layer formed from one metal and a relatively thin facing layer formed from a second metal. The layers are rolled together so that the edges of the facing layer are wrapped around and closed upon those of the base layer so as to form the composite structure of the required section. A layer of adhesive or double sided adhesive tape may be introduced between the base layer and the facing layer. The facing layer may also be covered with a flexible coating, e.g. paint or plastics material.
Patent GB-2040958-A (GB)
Title: Thermoplastic Polyester Molding Composition
IPC: C08L51/00
Filed: 1980-01-17
Abstract: Moulding compositions comprise poly (C2-C4 alkylene terephthalate) at least 50% of which is polybutylene terephthalate, mica and a multiphase composite polymer having (1) a first elastomeric phase polymerized from C1-C6 alkyl acrylate, crosslinking and graft-linking monomers and (2) a final rigid thermoplastic phase polymerized in the presence of the elastomeric phase. Preferred compositions also include thermally stable reinforcing fibers such as glass fibers.
Patent GB-2067647-A (GB)
Title: Door catch
IPC: E05C19/06
Filed: 1980-01-17
Abstract: A door catch comprising two parts attachable to opposed surfaces of a door and door frame which extend substantially parallel to the direction of relative movement between the door and door frame when the door is open or closed, one of said parts comprising a part-cylindrical projection (Y) and the other of said parts comprising a complementary recess (X) adapted to receive said projection (Y) and resilient wing portions (N) and (M) on either side of the recess (X) which are resiliently deformable to enable said projection (Y) to engage the recess (X). <IMAGE>
Patent GB-2071357-A (GB)
Title: A method and apparatus for controlling a solid fuel furnace
IPC: F23H13/06
Filed: 1980-02-11
Abstract: A solid fuel furnace 6 has a fuel supply and discharge mechanism. Fuel supply means comprises a fuel supply fire grate 8 (Fig. 5) to supply fuel to the furnace 6. The discharge mechanism comprises an ash discharge fire grate 10. The ash discharge fire grate 10 is oscillated to remove clinker and ash from the furnace 6 into an ash chamber 15. The fuel supply and discharge mechanism is responsive to a signal indicative of room temperature, and thereby the combustion in the furnace is controlled. To prevent discharge of unburnt fuel, this signal is ignored if it arises within less than a minimum time T1 after an operation of the fuel supply and discharge mechanism. The mechanism is operated after a maximum time T2, corresponding to exhaustion of fuel, even if the said signal is not present, thus preventing the furnace from going out. <IMAGE>
Patent GB-2046771-A (GB)
Title: Siloxane Composition
IPC: C08K3/00
Filed: 1980-03-05
Abstract: A siloxane composition which forms an elastomeric or resinous coating upon cure but when fired to high temperatures of at least 500 DEG C forms a ceramic substance comprises a siloxane copolymer comprising R3SiO1/2 and SiO4/2 units where R is a C1-C10 monovalent hydrocarbon radical, optionally together with an organopolysiloxane polymer containing no SiO4/2 units; a ceramic- forming filler and an organic peroxide.
Patent GB-2062949-A (GB)
Title: Single filament semiconductor laser with large emitting area
IPC: H01L21/208
Filed: 1980-04-30
Abstract: A semiconductor body 12 of a Group III-V compound or alloy includes a substrate 18 of one conductivity type with a pair of spaced, substantially parallel, dove-tail shaped grooves 24 in a surface 20 thereof. Over the surface of the substrate and the grooves are, in sequence, a buffer epitaxial layer 26 of the one conductivity type, a first confinement epitaxial layer 28 of the one conductivity type, a guide epitaxial layer 30 of the one conductivity type, an active epitaxial layer 32 which is the active recombination layer, a second confinement epitaxial layer 34 of the opposite conductivity type and a cap epitaxial layer 36 of the opposite conductivity type. Heterojunctions are formed between the first confinement layer 28 and the guide layer 30, and between the active layer 32 and second confinement layer 34. The material of the active layer has an index of refraction larger than that of the materials of the first and second confinement layers, the material of the guide layer has an index of refraction less than that of the active layer but greater than that of each of the confinement layers. The guide layer and active layer each have a region of uniform thickness e.g. 32a, directly over the space 20a between the grooves 24. The resulting laser provides a stable single optical mode filament of light of enhanced depth. <IMAGE>
Patent GB-2051895-A (GB)
Title: Shuttle for Circular Looms Comprising Means for Indicating a Thread Breakage
IPC: D03D51/34
Filed: 1980-06-02
Abstract: In a shuttle 1 for a circular loom, the hub 6 of a rotary weft bobbin- supporting disc 3 carries a ring 13 which is mounted to be rotatable and axially displaceable. A reflector strip 23 extends over part of the ring circumference. A compression spring 16 biasses the ring 13 into frictional engagement with the disc 3. When the bobbin and disc 3 are rotating, the frictional force turns the ring 13 to a limiting position where the reflector strip 23 is beyond the influence of a photoscanner. If the ring 13 stops turning on the occurrence of a thread breakage, the friction between the ring and disc drops to a level where a spring 21 can return the ring 13 to a limiting position where the reflector strip 23 is detected by the photoscanner. <IMAGE>
Patent GB-2078690-A (GB)
Title: Receptacle for Medication
IPC: B65D55/02
Filed: 1980-06-24
Abstract: A receptacle for pills or other medication to be taken at prescribed intervals of time, for example, every three hours, includes a container 11 with a rim 16 at the top extending around an opening 15, a lid 12 engageable with the rim for closing such opening and being turnable in respect of the container so that an index 24 on the lid will cooperate with an adjacent scale 25 of hour designations on an exterior surface of the container for selectively indicating various times, and a locking arrangement 26,27 permitting removal of the lid from the container only when the lid is turned to a selected one of a plurality of angularly spaced apart positions at which the index and scale indicate respective times having the prescribed intervals therebetween. <IMAGE>
Patent GB-2055930-A (GB)
Title: Detonation of explosive charges
IPC: F42B3/113
Filed: 1980-08-18
Abstract: The invention provides a system for detonating a set of spaced-apart explosive charges 11 which comprises an optical cable 2 having a number of optical fibres 6 extending through the cable from an input to the cable to an output from the cable and diverging from one another at the output for connection with separate ones 10 of the spaced-apart charges 11, the fibres at the input having input ends positioned together in a reception zone and a laser apparatus for providing a laser beam 5 distributed over the reception zone, the arrangement being such that the part of the laser energy of the beam intercepted by the input end of each fibre is sufficient for the detonation of its associated charges. The laser beam is conveniently converged upon the ends of the fibres by a lens 51. Conveniently, the fibres diverge at the output to a set of terminals 8 which are adapted to be connected with the charges by further optical fibres. <IMAGE>
Patent GB-2088451-A (GB)
Title: Water blocking compositions
IPC: E21B43/017
Filed: 1980-11-25
Abstract: A composition for drilling and water-proofing a submersible structure comprising a mixture of a polybutene and a wax. The composition is liquid at ambient temperature and can thus be poured into the structure. At the lower water temperature the composition forms a solid gel. A process of water-proofing a submersible structure is also described.
Patent GB-2092213-A (GB)
Title: Condensation drainage for windows
IPC: E06B7/14
Filed: 1980-12-18
Abstract: An elongate member of extruded plastics material for the drainage of condensed water from the interior of windows comprises a base portion (6) adapted to be secured to a window frame, an engagement portion extending upwardly with a tip (12) adapted to engage the glazing panel (20), and a drainage channel (18) extending lengthwise of the strip. The drainage member may be secured to the frame by adhesive. Drainage holes are provided by drilling through the drainage member and through the base (19) of the window frame, and a tight fitting sleeve (24) is inserted into the drilled hole. <IMAGE>
Patent GB-2091980-A (GB)
Title: Safety device for electric immersion heater
IPC: H05B3/80
Filed: 1981-01-27
Abstract: A safety device for an electric immersion heater comprises a short section of a low melting tempera- ture metal fuse surrounded by a low disintegration temperature insulator (7) and incorporated into a resistor element (3) of the electric heater (1) so as to ensure that the moment the electric heater (1) is not immersed in liquid the electric heater (1) will cease functioning since the metal fuse melts, the melted metal flowing into a space left when the insulator (7) disintegrated as the temperature rose. <IMAGE>
Patent GB-2096132-A (GB)
Title: Aminoketone preparation
IPC: C07D263/04
Filed: 1981-04-03
Abstract: 3-[1-Phenyl-1-hydroxypropyl- (2)-amino]-1-(3-methoxyphenyl)-propanone-(1) is prepared by reacting N,N'-methylene-bis-(4-methyl-5-phenyloxazolidine) with (3-methoxyphenyl) methyl ketone in the presence of an acid or acid ion exchanger.
Patent GB-2100125-A (GB)
Title: Sprinkler device
IPC: A62C37/10
Filed: 1981-05-06
Abstract: A sprinkler device for recessed mounting in a ceiling has a bush (4) for connection to the end of a water supply pipe (2) of a sprinkler system. The bush has an internal thread (3) for receiving a sprinkler head (1) and an external thread (7) onto which a frustoconical housing (8) is screwed. The housing (8) partly surrounds the sprinkler head (1) and has an externally screwthreaded end portion (10) onto which an annular surround member (12) is screwed. The entire device can be assembled with the surround member (12) fitting flush to a ceiling (13), while permitting removal and replacement of the sprinkler head (1) without disturbing the rest of the assembly. <IMAGE>