baber/WOPTO huggingface dataset:
Patent GB-2086186-A (GB)
Title: Telephone answering machine interface
IPC: H04M1/64
Filed: 1980-10-07
Abstract: A telephone answering facility is provided by a fairly simple unit couplable to an existing telephone set and to a cassette tape recorder with a closed loop of tape to provide a prerecorded announcement. An incoming call to a line when the subscriber is away seizes an interface unit when the latter detects ringing. This ringing is rectified (C1-R1-D1-D2) to give DC, which is amplified by a transistor amplifier (T1-T2) to operate an electro-magnetic relay (R1). This closes one contact to loop the line, thus responding to the call, and closes another contact to signal (via EF) to the recorder which thereon starts to send its pre-recorded message (via CD) to the caller. No provision is made for the caller to send a message as this device is intended solely to tell a caller that the wanted subscriber is unavailable. <IMAGE>
Patent GB-2088189-A (GB)
Title: Applying chocolate to irregularly-shaped objects
IPC: A21C15/00
Filed: 1980-11-25
Abstract: In order to be coated with chocolate, irregularly-shaped objects (2) are placed on a perforated conveyor (1) which is driven to convey them below a roller (16) and above the surface of chocolate in an open- topped container (11). The roller (16) is mounted for rotation in a bottom outlet (15) of a top chocolate container (12) and is rotatably driven independently of the conveyor (1) so as to stir up chocolate in the top container and to extract chocolate therefrom. Two knives (18 and 21) are mounted respectively forward and behind the lowest point of the roller (16) in order to respectively limit the thickness of chocolate on the roller (16) and to remove it therefrom. Liquid chocolate is continuously pumped from the bottom container (11) to the top container (12). The undersides of the objects (2) are coated with chocolate before they reach the roller (16) by rotating brush (9). <IMAGE>
Patent GB-2079028-A (GB)
Title: A player for magnetic tape cassette recording
IPC: G11B15/18
Filed: 1980-12-23
Abstract: Movement of a magnetic tape cassette holder 5 to an operative position (Fig. 4) results in a play- back head 16a, mounted on holder 5, coming into light contact with the tape for detecting non-recorded areas during fast forward or rewind. For loading, holder 5 is moved inward in a slant position until rollers 5a, 5b reach vertical parts of slots 1a, 1b, whereupon springs 7b cause arms 7 to pivot holder 5 to a horizontal operative position (holder 5 may alternatively move horizontally then vertically). Plates 8 move inwards with the holder 5 so that pawls 10 on plates 8 push eject levers 9 until bends 9d therein are caught by stop levers 11. In the operative position, a first solenoid plunger 19 may be moved to the left or right to move a cam plate 15 which engages a pinch roller 18c or 17c with a capstan 3a or 2a for playback in the right or left direction respectively, cam 15 also advancing head 16a into the normal playtrack position; rollers 17c, 18c are pivoted on holder 5 and cam 15 slides thereon. To eject the cassette, plunger 19 and cam 15 are returned to the central neutral position and a second solenoid is de- energised to cause a plunger 14 to pivot lever 11 thereby releasing levers 9 so that springs 9c pivot holder 5 to the slant position until rollers 5a, 5b reach the horizontal parts of slots 1a, 1b, whereupon springs 8c move holder 5 outwards. <IMAGE>
Patent GB-2074599-A (GB)
Title: Monoazo Dyes
IPC: C09B29/08
Filed: 1981-02-16
Abstract: Water-soluble monoazo dyes which, in the form of the free acids, have the formula:   <IMAGE> wherein X represents -O- or -NH-, R represents an alkyl, aryl or -NH2 radical and rings A and B may carry other substituents. The dyes give yellow and orange shades on natural and synthetic polyamide textiles.
Patent GB-2076133-A (GB)
Title: A respiratory heat exchanger for low temperature environments
IPC: A62B9/00
Filed: 1981-02-18
Abstract: A cylindrical respiratory counter current heat exchanger comprises a first spiral passageway 14 having an inlet 38 for gas to be inspired and an outlet 34 for delivering gas to a user, a second spiral passageway 16 in heat exchanging relationship to the first spiral passageway, said second spiral passageway having an inlet 36 for receiving expired gas from the user and having an outlet 40 through which said expired gas may be exhausted from the exchanger. The heat exchanger is made from two sheets of copper 10, 12 wound in a spiral, and sealed at the ends with rubber spacing strips. The heat exchanger may find use in survival garments for cold climates or in deep sea diving apparatus. <IMAGE>
Patent GB-2081763-A (GB)
Title: Reinforcement cord for elastomers
IPC: D07B1/06
Filed: 1981-05-01
Abstract: A wrap wire 4 is wound around a substantially flat bundle of three main wires 1-3 which may cross one another at points spaced along the bundles. <IMAGE>
Patent GB-2076994-A (GB)
Title: Polarization independent optical switch
IPC: G02B27/28
Filed: 1981-06-02
Abstract: An input beam of radiation (100) incident upon a polarization independent optical switch is resolved into two component beams (110 and 120) having orthogonal linear polarizations. The component beams both pass through a polarization rotator (20), which rotator transmits the component beams without attenuation. The two component beams are then recombined to provide the output beam of radiation (130 or 102) which emerges from the device. When the polarization rotator cell is configured to rotate the polarization of the component beams by 0 DEG  the output beam of radiation travels in a first direction (130) and when the polarization rotator is configured to rotate the polarization by 90 DEG  the output beam of radiation is switched to a second direction (102). In one embodiment the polarization rotator is a liquid crystal twist cell. <IMAGE>
Patent GB-2079221-A (GB)
Title: Printing Presses
IPC: B41F31/00
Filed: 1981-06-11
Abstract: It is generally known to use a form roller for applying a liquid or semi- liquid medium to the printing plate of a printing press, having a circumference approximately or exactly equal to the length of the printing zone of the printing plate. The present invention, in contrast, replaces the form roller by an endless belt (4) extending across the width of the printing press and rotating at the circumferential speed of the plate cylinder. The belt (4) consists of at least two layers. The medium to be applied is metered on to the belt (4) and transferred by the belt to the plate cylinder (1). Doctor 11 may remove excess liquid. <IMAGE>
Patent GB-2100457-A (GB)
Title: Dye image receiving elements comprising polymeric mordants
IPC: G03C8/56
Filed: 1981-06-17
Abstract: Dye image receiving elements for photographic material are described which comprise as a dye mordant a solid dispersion of a water-insoluble copolymer which comprises a monomer which when homopolymerised yields a water-insoluble polymer, for example an acrylate or a vinyl monomer, and a sulphated acrylate or methacrylate monomer.
Patent GB-2101053-A (GB)
Title: Improvements in land vehicle propulsion
Inventor: SULLIVAN PETER JOHN
IPC: B62D55/08
Filed: 1981-06-23
Abstract: An assembly for converting the normal propulsion of a wheeled land vehicle to track laying propulsion has a triangular configuration with a central crown wheel 10 for mounting to a wheel hub drivably engaging with an endless track 13. The track 13 is contrained with three idler wheels 12 to circulate along a triangular path centred on the axis of the crown wheel 10. <IMAGE>
Patent GB-2081538-A (GB)
Title: Analogue to digital convertors
IPC: H03M1/00
Filed: 1981-07-14
Abstract: In a P.C.M. coder, the polarity of an analogue input signal is first determined to control the setting of a bistable 23 providing one input to an Ex OR gate 24 which receives on its other input, in each of a plurality of time intervals a signal representing the result of comparison between the input signal, amplified by 2 in each interval, and a fixed reference level. <IMAGE>
Patent GB-2088631-A (GB)
Title: Field effect controlled semiconductor rectifier
IPC: H01L29/74
Filed: 1981-11-24
Abstract: A high power field effect controlled semiconductor rectifier is constructed so that the rectifier is normally off and can be switched on by applying a bias signal to a gate 68 of a metal-insulator-semiconductor structure monolithically integrated with the rectifier in such a manner as to induce a contacting channel including inversion layer 78 and accumulation layer 79, between the anode 62 and cathode 70 of the rectifier. The device has both forward and reverse blocking capability and a low forward voltage drop when in the conducting state. The device has a very high turn-off gain and both high dV/dt and di/dt capabilities. <IMAGE>
Patent GB-2090187-A (GB)
Title: Hollow fibre dialysis membrane
IPC: D01D5/20
Filed: 1979-10-02
Abstract: A hollow fibre of cellulose generated from cuprammonium solutions for use as a dialysis membrane has a continuous cavity and a surface which has projections arranged periodically in circumferential direction thereof. The cross section of the cavity may be circular or elliptical.
Patent GB-2113802-A (GB)
Title: Shaft couplings
Inventor: WILKINS JOHN THOMAS
IPC: A47L11/164
Filed: 1982-01-18
Abstract: A coupling between a motor driven shaft and an implement such as a disc brush 15 in a floor cleaning or polishing machine includes a hub 20 mounted on the shaft, which hub has spaced recesses 24 disposed in a circle 26 and engaged by pins 16 on the implement, the pins being disposed in a circle having a radius different from that of the circle 26. The arrangement is such that the driving force is used to keep the implement to the hub and at each point of engagement of pin and recess has a direction which deviates from the tangent of the circle passing through that point and centred on the hub centre. <IMAGE>
Patent GB-2116657-A (GB)
Title: Preventing wheel slip
Inventor: JOHNSSON THOMAS
IPC: B60T13/58
Filed: 1982-03-10
Abstract: There is provided by the present invention a method of preventing slip or skid between the driving wheels and the ground or support in a vehicle, hydrostatic power transmission, particularly a multiple axle type power transmission, said transmission comprising at least one hydraulic motor 3 and fluid pump means 2. The method is characterised by the steps of continuously calculating the speed of the wheels 5 of each driven wheel axle on the basis of instantaneous values of required control parameters of the hydrostatic power transmission, such as motor speed, pump displacement, motor displacement and/or the hydraulic pressure in the power transmission, comparing said calculated speed with the speed of one non-driven or idling wheel 7 axle of the vehicle and providing, when finding a speed differential exceeding a predetermined minimum limit value and of longer duration than a predetermined minimum time, an output signal to the control system for reducing the hydraulic pressure in said power transmission for a predetermined period of time. <IMAGE>
Patent GB-2110292-A (GB)
Title: Buckles for vehicle seat belts
Inventor: ASHWORTH ROGER ANDERTON
IPC: A44B11/25
Filed: 1982-04-26
Abstract: The vehicle seat belt buckles each have two plate members (12, 14) defining a socket between them for releasably receiving a flat tongue (1). A latch member (24) is movable from latching engagement with the tongue by a push button (31) slidable against a return spring (38) within a cover (30) around the socket, and is held clear of the tongue until this re- enters the socket. The latch member (24) is non-rotationally movable transversely of the direction of movement of the tongue into the socket and guide means are provided in the form of roller 26 supporting the latch member (24) at a position spaced from the socket against forces tending to withdraw the tongue from the socket. <IMAGE>
Patent GB-2120694-A (GB)
Title: Method of rendering a material hydrophobic
Inventor: ROBERTS JOHN CHRISTOPHER
IPC: D06M10/02
Filed: 1982-05-01
Abstract: Materials, for example cellulosic products, having hydrophilic character are rendered hydrophobic by treatment with a hydrogen plasma. The plasma is generated by radio frequency induction.
Patent GB-2129124-A (GB)
Title: Aligning mask with body
Inventor: HAIGH ARTHUR DESMOND
IPC: G03F9/00
Filed: 1982-10-16
Abstract: In a machine, in which is mounted a body, for example, comprising a semiconductor substrate 10 having a photoresist layer, over passivating material on the substrate, the passivating layer, and the photoresist layer, both with a relief pattern therein, monochromatic radiation is reflected at both surfaces of the part of the photoresist layer with the relief pattern, without affecting the photoresist, to form a corresponding interference pattern, capable of being aligned with a related portion of the mask 12. The detection of the interference pattern is facilitated by providing means to vary the wavelength of the monochromatic radiation, for example, by providing a tunable laser source, or, when a multicoloured source 16 is provided, by providing a variable passband filter 18 to be used in combination therewith. <IMAGE>
Patent GB-2130631-A (GB)
Title: Method and apparatus for supporting a vertical cylinder of wet cement surrounding a vertical pipe passing through a horizontal concrete slab
Inventor: KODA ANDREW
IPC: E04F17/08
Filed: 1982-11-19
Abstract: A method and apparatus for supporting a vertical cylinder of wet cement surrounding a vertical pipe passing through a horizontal concrete slab in which one leg of an L-shaped piece 10a is wrapped around the vertical pipe just below the slab and the other leg of the L-shaped piece is slit to form a a series of slats 16 which radiate horizontally around the pipe. A circular sheet of moisture resistant material 12 having a hole in its center corresponding to the diameter of the pipe and slit from its center to its outer edge is slipped around the pipe just above the slats of the L-shaped piece, which is then pushed upwards on the pipe to press the sheet against the lower surface of the concrete slab. The piece and sheet are secured in position by a wire wrapped and twisted about the leg of the piece wrapped around the pipe. Wet cement can now be poured from above into the void between the pipe and the slab to be supported during its drying by the sheet and piece. The piece used is cut from an elongated strip having one leg formed into a series of parallel slats. <IMAGE>
Patent GB-2112896-A (GB)
Title: Hydraulic lash adjuster for an I.C. engine
Inventor: LESHER KENNETH W
IPC: F01L1/255
Filed: 1982-11-23
Abstract: An hydraulic lash adjuster operable in a generally upright position and not supplied with pressurised oil, comprises a cylindrical body (26) having a closed end (28), an interior chamber (30) and an open end, a hollow plunger (32) being positioned within the chamber (30) and having a high pressure fluid chamber (38) formed between the closed end (28) and the plunger. A plunger spring (40) is positioned within the high pressure fluid chamber, and the plunger has a passage (42) through a closed interior end thereof, a one-way valve (44) controlling the passage of fluid through the passage (42) to the high pressure fluid chamber from an interior chamber in the plunger. An opening (54) in an exterior end of the plunger permits unpressurised exterior fluid to pass into the plunger chamber, a filter (56) being positioned within the plunger between the opening (54) and the plunger chamber. Fluid recirculation groove means (58, 62) are positioned on the exterior of the plunger and in communication with the interior thereof to direct fluid passing along the exterior of the plunger and between the plunger and body back into the plunger chamber for re-supply to the high pressure fluid chamber. <IMAGE>
Patent GB-2110916-A (GB)
Title: Ejection of faulty cigarettes
Inventor: BOLT REGINALD CHARLES
IPC: A24C5/345
Filed: 1982-11-29
Abstract: Apparatus for ejecting cigarettes, comprises a conveyor (10) arranged to carry a sideways-moving row of cigarettes (14) through an ejection station at which there is a nozzle (20) arranged, when a cigarette is to be ejected, to direct a jet of air (32, 34) transversely past the cigarette and onto an air-deflecting surface (26) on the conveyor which deflects the air jet onto the cigarette so as to blow the cigarette transversely off the conveyor. <IMAGE>
Patent GB-2136575-A (GB)
Title: Skin testing apparatus
Inventor: LEWIS SYLVIA
IPC: A61B5/103
Filed: 1983-03-15
Abstract: Apparatus which provides an indication to facilitate an assessment of skin condition comprises a first electrode 5 for making contact at a first location with the skin of a human eg a hand held electrode, a second electrode 7 for making contact a second location remote from the first location eg a movable probe electrode, an electrical power supply 6, a switch 16 via which the supply is coupled to apply a voltage between the first and second electrodes 5, 7, and a current indicating device 14 to provide a visual indication of current flow driven by the voltage from the first to the second locations. The voltage is stabilised by zener diode 8 and the battery state is tested by switching dummy load resistor 36 in place of the electrodes. <IMAGE>
Patent GB-2120589-A (GB)
Title: Cooling apparatus for the cooling of wire which is hot from the rolling operation
Inventor: DUEPPER PAUL
IPC: C21D9/573
Filed: 1983-05-06
Abstract: In a cooling path for the cooling of wire (3) which is hot from the rolling operation and which is deposited onto a conveying means (6) in spread-out, mutually overlapping loops (5) by a loop-laying device (4), various types of reception means (8, 13) are provided in the coil-forming station for collecting the loops and can be selectively brought into the reception position in order to vary the cooling conditions in the region of the coil-forming station and therebeyond.   <IMAGE>
Patent GB-2122377-A (GB)
Title: Drive-control system for a microtome, in particular an ultramicrotome
Inventor: KAPPL GERHARD
IPC: G01N1/06
Filed: 1983-06-20
Abstract: A microtome, in particular an ultramicrotome has a drive control system, by means of which the movement of the specimen arm, relative to the knife, is subdivided into a comparatively slow cutting movement and a more rapid return movement. The drive-control system gradually decelerates the specimen arm at the transition from the comparatively rapid return movement to the slower cutting movement, so that a jerk, which would generate mechanical vibrations in the drive system, is avoided and the specimen arm is smoothly decelerated from the comparatively high speed, to the lower speed. For this purpose, the drive-control system incorporates an electronic control module, by means of which the control voltage for the drive motor is linearly varied between the comparatively high control voltage value and the lower control voltage value, the rate of rise or, as the case may be, the rate of fall of the voltage being adjusted in a manner such that the specimen arm operates without transitional vibrations. For this purpose, the electronic control module incorporates a constant-current source, and a capacitor which is to be charged by this constant- current source, or which is to be discharged, as the case may be.
Patent GB-2143895-A (GB)
Title: Pyramidal reed vales for two-stroke engines
Inventor: HARGREAVES BERNARD JAMES
IPC: F01L3/20
Filed: 1983-07-23
Abstract: A plurality of reeds 3, 4, 5, 6 abut in use at edges 11 to close the valve. <IMAGE>
Patent GB-2128752-A (GB)
Title: Electromagnetic angular position sensor
Inventor: TEMPLE ANDREW WILLIAM
IPC: G01S3/04
Filed: 1983-10-19
Abstract: An angular position sensor comprises a generator coil 10 driven by an oscillator 20 to provide an alternating magnetic field which is symmetrical about an axis. A conductive annular rotor 16 of, e.g. copper, or other material such that it distorts the magnetic field around it, is arranged so that it is asymetrical about its axis of rotation and lies outside the equatorial plane of the magnetic field. As the rotor 16 rotates about its axis, the emf induced in two sensing coils 12 and 14 disposed within the magnetic field varies in dependence upon the angular position of the rotor 16 relative to the axis of the undistorted magnetic field. In addition to being used to monitor the rotation of, for example, a rotating shaft, the rotor can alternatively be coupled to a two-axis joystick controller. The sensor can be used in radio direction-finding (Fig. 7, not shown) by connecting the sensing coils to aerials and moving the rotor 16 until a null output is received from coil 10. <IMAGE>
Patent GB-2147929-A (GB)
Title: Building construction
Inventor: GOODHIND PETER LEONARD
IPC: E04B5/32
Filed: 1983-10-20
Abstract: In a method for casting of an element, such as a concrete floor 12 for a building, at least part of the periphery of the element is formed by placing blocks 14, which can have a stepped external shape, around the zone to be filled, and then filling the zone with the settable material, the blocks 14 forming restraining means for the said material. <IMAGE>
Patent GB-833720-A (GB)
Abstract: 833,720. Recovery of plutonium. ATOMIC ENERGY OF CANADA Ltd. April 30, 1957 [May 2, 1956], No. 13749/57. Class 39(4). Plutonium-aluminium alloy material, for example irradiated fuel rods, is heated in vacuum at 1200‹-1450‹C. in order to vaporize the aluminium, leaving the plutonium in the residue. The residue may be alloyed with fresh aluminium or the plutonium further purified. Crucibles of beryllia, alumina, or cerium subsulphide may be used.
Patent GB-2153422-A (GB)
Title: Security clamp
Inventor: WHITE DAVID ANTHONY
IPC: E06B9/02
Filed: 1984-01-27
Abstract: A clamp for securing a closure member, for example, a door, in an aperture such as a doorway, the clamp including a rigid bar (1) with laterally extending end members (3, 4) for spanning the doorway on one side of the door, a penetration member (9) extending from the bar and adapted to pass through the closure member; and an abutment member (16) on the penetration member for abutment against the other side of the door to clamp the bar in a securing position. <IMAGE>
Patent GB-2135009-A (GB)
Title: Soot blower
Inventor: ZALEWSKI GERALD F
IPC: F23J3/02
Filed: 1984-02-07
Abstract: There is provided, in a soot blower including a lance tube (13) and lance tube support (13a, Figure 2 not shown) movable along a path of travel between working and non-working positions and a feed pipe (59) in a co-axial, telescoping relation with said lance tube and lance tube support, a bushing arrangement which comprises (a) at least one ring- shaped bushing element (66, 67) secured about the outer circumference of said feed pipe 59, (b) said ring shaped bushing element including an outer surface engaging the inner surface of said lance tube support, (c) said outer surface of said ring-shaped bushing element being formed to a generally convex configuration whereby the lance, tube support and feed pipe may pivot with respect to one another with the forces developed between the lance tube and feed pipe being distributed through the convex outer surface of said ring-shaped bushing element. <IMAGE>
Patent GB-2162116-A (GB)
Title: Expansible core
Inventor: RUCK WILF
IPC: B29C45/44
Filed: 1984-04-16
Abstract: A core for a mold used in molding plastics articles with hollow re-entrant shapes consists of a number of mold segments 17 which are pivotally mounted for rocking movement from an expanded holding position to a collapsed position which permits withdrawal of the core. The mold segments 17 are cammingly engaged by a slidable pin arrangement 35, 37 to rock the mold segments between the expanded and collapsed positions. <IMAGE>