baber/WOPTO huggingface dataset:
Patent GB-2084502-A (GB)
Title: A chain pin extractor
IPC: B25B27/073
Filed: 1980-09-24
Abstract: An extractor, for driving a pin out of link and side wall elements of a chain, has a body with opposed spaced portions 2, 3. One body portion 2 has a seating 9 with a bore opening 10 at a radical abutment face. A sleeve 6 is threaded through the other body portion 3 and has one end provided with a coaxial bore 16 opening at an abutment face. A stem 12 is threaded in the sleeve 6 and carries a push rod 17, which is a close-tolerance sliding fit in the bore of the sleeve. The seating may be provided as an insert collar, and the bore and abutment face of the sleeve may be provided on a locating bushing 15 carried by the sleeve. When a chain (18, fig 2) is gripped between the abutment faces, and with the usual protruding end of the pin (24) engaged in the bores of the seating and of the sleeve, the push rod is centered accurately with respect to the chain pin, and is guided and supported against buckling by its close-tolerance sliding fit in the sleeve. <IMAGE>
Patent GB-2088022-A (GB)
Title: Valve with internal accumulator
IPC: F16K27/04
Filed: 1980-11-19
Abstract: A solenoid controlled, pilot operated valve (10) is provided with a pilot air accumulator chamber (58) in the pilot air supply to ensure soundness of operation of the pilot air supply, and make the shifting characteristics of the valve relatively constant and positive. The main spool valve (24) is shifted in one direction by pilot air and shifted in the other direction by a return spring (38), the spring action being assisted by air from the accumulator. The accumulator chamber is defined within the spool valve body and may be supplied with pilot air from an external source of pressurized air, or from an internal source within the valve. If an internal source of pilot air is employed, then a check valve (59) is operatively mounted in an air passage between the valve supply chamber and the accumulator chamber to allow free flow into the accumulator chamber and restrict any air bleeding back to the valve supply chamber. <IMAGE>
Patent GB-2069185-A (GB)
Title: Automatic control of engine speed
IPC: F02D31/00
Filed: 1980-11-27
Abstract: For controlling the idle speed of an engine, a carburettor includes a throttle bypass passage having a valve for controlling the flow of mixture through the bypass passage; the valve is switchable between an open and a closed position by engine speed responsive means adapted to pulsate the valve between the open and closed positions in accordance with engine speed variations from a predetermined speed. The control valve may comprise a diaphragm valve having a fixed magnet and armature windings carried on the diaphragm. The mark/space ratio of the signal energising the valve is derived from the difference between the actual speed of the engine and the desired idling speed. <IMAGE>
Patent GB-2065955-A (GB)
Title: Production of Tritium in a Nuclear Reactor
IPC: G21C23/00
Filed: 1980-12-10
Abstract: Tritium and electricity are co- generated in a high temperature gas- cooled nuclear reactor. Nuclear fuel material and minute target particles are disposed in chambers formed in the fuel elements of the reactor. The target particles comprise cores of a lithium compound, e.g. LiAlO2, an inner coating of porous material and an outer gas-tight coating of relatively dense material. Irradiation of the target particles by thermal neutrons results in transmutation of Li<6> nuclides to create helium and tritium that is retained within said outer gas-tight coating. Tritium is recovered from the irradiated target particles.
Patent GB-2090644-A (GB)
Title: Base valve assemblies in telescopic hydraulic shock absorbers
IPC: F16F9/348
Filed: 1981-01-05
Abstract: A telescopic hydraulic shock absorber includes a base valve assembly comprising a valve body 32. A passage 42 extends through the centre of the valve body and the mouth of the passage at the lower end is surrounded by an annular valve seat 43. A compression valve pin with a shank 55 cooperates with the valve seat 43 to form a compression valve. There is a hat-shaped spring seat 62 carried by the shank of the valve pin and a compression valve spring 64 between the valve body and the seat member. The spring seat member 62 also forms a seat for a spring 38 which biases a recuperation valve member 37 against seats 35, 36 on the valve body to close passages 34. Such an arrangement in which the compression valve spring and the recuperation valve spring are retained by a common spring seat member leads to ease of assembly, low weight and economy. <IMAGE>
Patent GB-2070998-A (GB)
Title: Welding by laser beam
IPC: B23K26/12
Filed: 1981-02-25
Abstract: A laser (10) which does not require a vacuum and the beam (11) from which can be projected over a distance without loss of power is sited outside a welding zone (4) and the beam (11) projected through a replaceable laser transparent window (8). The window is designed and shaped to facilitate access of the beam of workpiece items (2, 3) to be welded in containment. Either the workpiece or the laser beam may be moved during welding. <IMAGE>
Patent GB-2072602-A (GB)
Title: Fuel tank component
IPC: B64D37/32
Filed: 1981-03-03
Abstract: An inner wall 1 for a self-sealing fuel tank in which the inner wall is provided with a plurality of fronds 6 bonded at one end to the wall, the fronts facing towards the inside of the tank such that on penetration of the wall of the tank by a projectile the fronds are carried by the surge of escaping fuel through the wall to become entangled as at 17,18 in the hole and choke off escaping fuel. The fronds may be formed by cuts 7,8 in strips 2,3,4 of polyurethane. Wall 1 is also of polyurethane. The tank outer wall, not shown, contains a known swelling sealing medium. <IMAGE>
Patent GB-2072735-A (GB)
Title: Support structure for offshore platforms
IPC: E02B17/02
Filed: 1980-09-08
Abstract: A structure for use in supporting a platform (13'') above a body of water. The structure includes a leg (21) extending between the bed of the body of water (345), the seabed (39), and the platform. The overall cross-sectional area of the leg is greatest near the seabed and decreases moving upwardly away from the seabed.
Patent GB-2080790-A (GB)
Title: Cordierite crystal-containing glaze
IPC: C03C8/02
Filed: 1981-03-24
Abstract: A cordierite crystal-containing glaze for fine ceramics such as cordierite ceramics. The glaze has an oxide composition comprising: weight % SiO2                  66 to 75 Al2O3        13 to 22 MgO 3 to 8 B2O3        2.5 to 7 Na2O + K2O  0.4 to 2.0     agent selected ents should comprise at least 95%, and preferably 96 to 99%, of the total. The glaze can also include 0 to 2% ZnO and 0 to 2% ZrO2. Apart from colourants, the balance, if any, may comprise small amounts of other compatible compounds such as CaO, SrO, BaO, Cs2O and F2, up to a total of 3%, but the ratio of SiO2 + Al2O3 + MgO to the sum of such other compatible compounds should be at least about 28:1. Fe2O3 and TiO2, which are generally present as impurities in standard batch raw materials, are not harmful in amounts less than a total of 1.5%; in greater amounts, they begin to alter the colour of the glaze. Li2O should not be presented in an amount greater than about 0.5%. The glaze has good gloss and durability and is transparent in the absence of added pigmentation or refractory particles.
Patent GB-2073194-A (GB)
Title: 2,4-diaryl Thiazol-5-yl-acetic Acids
IPC: A61K31/425
Filed: 1981-04-02
Abstract: Thiazoles of formula   <IMAGE> and salts thereof, wherein R represents hydrogen or an acyl group, possess anti-inflammatory activity and have low toxicity. The compounds may be formulated as pharmaceutical compositions.
Patent GB-2101111-A (GB)
Title: Process for the treatment of disinfected water
Inventor: NASH THOMAS
IPC: C02F1/68
Filed: 1981-07-01
Abstract: A process for the treatment of disinfected water comprises adding to the water a 1,4-dihydropyridine compound of general formula 1 or a 1,2- dihydropyridine isomer thereof,   <IMAGE> wherein R<1> R<2>, R<3> and R<4> each represents a hydrogen atom or a C1-C5 alkyl group and the total number of carbon atoms is from 7 to 13, especially 8 to 12 inclusive. Drinking water treated by this process has increased palatability.
Patent GB-2102527-A (GB)
Title: Door structure for pressurized enclosure
Inventor: OWLER ANTHONY MCKENZIE
IPC: F16J13/08
Filed: 1981-07-22
Abstract: A pressurized enclosure has a hinged door (4) which can be latched closed against a seal (18) by a lever (24) clamping behind a wall portion (12). To retain the door closed against distortion of the enclosure under pressure, the door and the wall portion have opposed limit surfaces (28, 30) limiting relative movement of the latch lever and the wall portion. <IMAGE>
Patent GB-2102296-A (GB)
Title: Darts
Inventor: DRAKE BENJAMIN ROYAL
IPC: F42B6/00
Filed: 1981-07-24
Abstract: A dart has a stem which carries therein or partly therein a weight- adjusting slug. This slug may be threaded so that it can be screwed into a dart barrel and so serve to connect the barrel and the stem. As shown the slug 42 has threads 46, 48 to connect the dart body to the stem. Alternatively, the slug may feature one threaded spigot and, at the other end, a threaded socket. A set of slugs of varying weights is provided. <IMAGE>
Patent GB-2111268-A (GB)
Title: Abacus
Inventor: QUILTER DENNIS RICHARD
IPC: G06C1/00
Filed: 1981-09-11
Abstract: A board has spaced vertical rods screw threaded therein to accommodate nut or disc shaped counters the rods and counters being generally incremented in size from the right to the left. The sets of counters are of differing colours, each rod being of the corresponding colour to its associated counters to a height equal to the base being used e.g. each rod may be coloured to a height of ten counters and be long enough to accommodate 30 counters. As shown decimal point marked blocks and a division board may be provided. A further array of rods on a smaller board can be placed below the main array to enable long addition, multiplication and division to be carried out. <IMAGE>
Patent GB-2093856-A (GB)
Title: Adhesive compositions
IPC: C09J201/00
Filed: 1982-01-25
Abstract: An adhesive preparation for use in fixing ceramic tiles, either as a ready-mixed composition or as a composition to be mixed with liquid prior to use, has incorporated therein an odoriferous substance, such as a perfume.
Patent GB-2092982-A (GB)
Title: Apparatus for intermittently transporting stacks of paper sheets or the like
IPC: B65H29/16
Filed: 1982-02-12
Abstract: Apparatus for intermittently transporting rows of equidistant paper sheets or stacks of paper sheets along a horizontal support has several transporting units, one for each row, and each disposed below the support. Each transporting unit has a plurality of endless belts trained over front and rear pulleys. The belts carry integral projections extending upwardly through slots in the support to engage the front and rear edges of the sheets or stacks. One pulley for one of the belts e.g. the central belt is rotatable on a first shaft and the other pulley is rotatable with a second shaft. The two pulleys for each outer belt are rotatable with the first shaft rotatable relative to the second shaft respectively. To change the distance between the projections one shaft is angularly shifted to change the angular positions of all projections on the said one belt relative those on each outer belt. <IMAGE>
Patent GB-2096071-A (GB)
Title: Tread for a two wheeled vehicle tyre
IPC: B60C11/04
Filed: 1982-03-15
Abstract: A tyre is disclosed comprising a plurality of spaced tread blocks (15) separated by a plurality of first grooves (17) spaced around the tyre circumference. The blocks (15) extend generally diagonally across the tread continuously from one side to the other. Each first groove (17) comprises an intermediate portion (19) which extends substantially circumferentially of the tyre, and is separated from the next intermediate portion (19) by a tread block (15). 
<??>The first grooves (17) channel water from the centre of the tyre tread and their configuration allows adequate driver control to be maintained when the tread contacts longitudinal shoulders on, for example, rain grooves, joints or lane marking strips on the road surface.
Patent GB-2118444-A (GB)
Title: Amusement machine for playing dominoes
Inventor: NOBLE JOHN BARRY
IPC: A63F13/00
Filed: 1982-04-16
Abstract: The machine is microprocessor controlled and comprises means such as, a video screen (10) for displaying selected dominoes and a random selector for selecting from a stored notional set of twenty-eight dominoes seven dominoes to be allotted to each of the player (16) and the machine (18). Selection buttons (24) enable the player in his turn to select from those allotted to him a domino to be played, and the machine likewise selects in its turn, the state of play being presented on the screen. Selection buttons (26, 28) enable the player to choose where to place a domino played. The machine may be arranged to allot a next domino from a remainder stack (22) should either of the machine and the player be unable to play in turn. Instead of the video screen, the display may be effected by means of a row of reels or discs bearing symbols on their peripheries, flip-card units, cards or illuminated symbols. <IMAGE>
Patent GB-2105440-A (GB)
Title: Elastic claw coupling
Inventor: DUMINY JACQUES
IPC: F16D3/76
Filed: 1982-05-12
Abstract: A elastic claw coupling has two flange-type coupling halves (10, 20) with claws (11, 21) extending in the axial direction and engaging alternately between each other. Coupling members (30), with a basic shape which is preferably a cylinder or a barrel, and preferably developed together into a cam ring, are inserted between the claws. Viewed in the direction of the axis of rotation of the coupling the elastic coupling members (30) have faces (32), preferably in their radially outer region, i.e. between the outer edges of the coupling claws (11, 21). In addition, a concave recess (33) may be provided on the end of each individual coupling member (30). An increase in the working life of the elastic coupling members (30) is achieved by these measures. <IMAGE>
Patent GB-2103546-A (GB)
Title: Reversing ribbon drive mechanism
Inventor: LACE MELVIN A
IPC: B41J33/518
Filed: 1982-06-15
Abstract: A reversing drive mechanism for the ribbon 23 of a printer, of the kind using two ribbon storage spools 21, 22 includes two ribbon spool drive gears 45, 46 engaged by a pinion 43 driven by a synchronous inductor motor which reverses its direction of rotation whenever the motor is stalled, e.g. by engagement of as top member 81 with a guide 26. Each drive gear is connected to one ribbon storage spool by a clutch that is responsive to the direction of motor rotation; one clutch is engaged for clockwise motor rotation and disengaged for counterclockwise rotation, and the other clutch is engaged for counter- clockwise motor rotation and disengaged for clockwise rotation. <IMAGE>
Patent GB-2106579-A (GB)
Title: Insulated frame member
Inventor: WHITE COLIN MARTIN
IPC: E06B3/30
Filed: 1982-09-10
Abstract: A frame member for a window or door comprises, a metal element 101, 102 having a thermally insulating covering 120, 130, 131 on a part which is otherwise accessible, wherein the covering includes an outer rigid shell 10 of extruded plastics material defining an interior cavity into which has been extruded a foamed plastics material 11. <IMAGE>
Patent GB-2112233-A (GB)
Title: Electric vehicle current regulator
Inventor: BERMAN MAX
IPC: H02P7/28
Filed: 1982-12-08
Abstract: A current regulator for a dc electric traction motor propelled vehicle, implemented using a microcomputer, incorporates an accelerator response characteristics of an accelerator in an internal combustion engine powered vehicle. The regulator uses a current feedback loop 62 to regulate motor torque to the value called for by the accelerator 50. However, if the magnitude of voltage as a percentage of available source voltage required to generate the desired current exceeds the percentage displacement of the accelerator, the applied voltage is limited to the percentage accelerator displacement. A plug current regulator for a dc electric traction motor propelled vehicle, implemented using a microcomputer for controlling a time- ratio switching regulator, provides a substantially smooth electrical braking function by applying relatively long time duration in which current pulses are inhibited. Current regulation is provided by comparing motor current to a desired braking current and generating an update signal when actual current drops below desired current. Filtering is minimized by sampling motor current at a time interval occurring relatively long after a current pulse is supplied to the motor. <IMAGE>
Patent GB-2133991-A (GB)
Title: Game apparatus with momentum transfer array
Inventor: TROY THOMAS JOSEPH
IPC: A63F7/00
Filed: 1983-01-27
Abstract: Players use shooting mechanisms (32) in an attempt to propel shooting balls (13) along inclined trough-like structures (26) into sockets (24) on opposite sides of an array of contacting spherical momentum transfer members (12). The propelled balls can transfer their momentum through the array to displace an opponent's shooting balls from the sockets on his side of the array. <IMAGE>
Patent GB-2138401-A (GB)
Title: Boxes erectable from a flattened state
Inventor: TYSON NICHOLAS ROGER
IPC: B65D5/36
Filed: 1983-02-01
Abstract: A box which may be erected from a flattened state is formed from a blank comprising a pair of opposed side walls (1, 3) and a pair of opposed end walls (2) and including a base forming panel (5) hingedly connected to one of said side walls (1, 3) and connected at each end by a gusset (6) to the adjacent end wall (2), each end wall (2) being provided with a vertical-in-use fold line (13) whereby the box may be collapsed flat. <IMAGE>
Patent GB-2180671-A (GB)
Title: Missile guidance system
Inventor: GUTTRIDGE RONALD GEORGE
IPC: F41G7/22
Filed: 1983-03-30
Abstract: A missile guidance system using a radiometric tracker to detect the sky radiation reflected from a target has an RC output filter in the signal line between the tracker and the amplifiers to drive the missile steering controls. The time constant of the RC filter is reduced with decreasing target distance to allow the missile to manoeuvre with increasing agility as it closes on the target. Preferably R is varied with reference to the time of flight of the missile.
Patent GB-2128682-A (GB)
Title: Guiding devices for pistons of a two-coaxial piston rotating type actuator
Inventor: TREVISAN GIOVANNI
IPC: F16J1/02
Filed: 1983-04-14
Abstract: In the actuator each piston has a rack-shaped projecting portion 8,9 with an insertable guiding shoe 10 made of a low friction material and effective to be inserted between the rack projecting portion and the side portion of the piston cylindrical chamber. The shoe has a part-cylindrical outer surface effective to slidingly engage the inner surface of the piston cylindrical chamber. Each piston has a gasket ring 15 and a guide ring 13 around its head. <IMAGE>
Patent GB-2133971-A (GB)
Title: Accessory for motorcycle helmet
Inventor: HAYWARD WILLIAM ANTONY
IPC: A42B3/10
Filed: 1983-07-04
Abstract: There is disclosed a unit to be worn beneath a motorcycle helmet and which forms a passage for air from the wearer's nose and mouth to a position outside the helmet thus preventing condensation of breath on the visor of the helmet. <IMAGE>
Patent GB-2130515-A (GB)
Title: A device for moving workpieces in production machines such as blanking presses
Inventor: SCHOEN HANS
IPC: B21D43/10
Filed: 1983-11-04
Abstract: The apparatus comprises an elongate base 1 in the form of a narrow beam on which a carrier strip 14 is guided, for reciprocating movement on longitudinal guides 10 by means of a slide 12, 13 and acts as a carrier for gripper elements, e.g. suction cups or retaining magnets. The drive mechanism includes two upright reversing wheels 6, 7 and a toothed belt (9, Fig. 2) which is guided thereon and connected by plate 13 to the carrier strip 14. The reversing wheels 7 is connected to a drive motor (8, Fig. 2) having a flange mounted on the base 1. The drive motor is preferably an electro-hydraulic rotation amplifier consisting of a set-value transmitter, a control valve and a hydromotor. The carrier may be a flat or profiled (L, U) strip and carry the magnets etc by means of an angle arm; a second arm may be provided for removing blocks. The apparatus can be used in production machines with restricted space conditions in which it is difficult or impossible to use conventional devices. <IMAGE>
Patent GB-2132989-A (GB)
Title: Hand-held liquid filtering and dispensing device
Inventor: BOOMUS MARY K
IPC: B01D63/08
Filed: 1984-01-04
Abstract: A device particularly suited for dispensing liquids for medical and a health care use, particularly saline solutions for cleansing contact lens comprises a hand-held vessel of resilient material having an opening 6 for exit of liquid and with a filter 14 which has a housing with an inlet chamber 18 and an outlet chamber 34 having an outlet 32, the inlet and outlet chambers being separated by a hydrophilic filter medium 22 sealed about its periphery to the housing. The inlet chamber has an opening 36 communicating with the ambient atmosphere and covered by a hydrophobic filter medium 38 of a pore size sufficiently small to block the passage of bacteria therethrough. In operation, when the liquid containing vessel is squeezed the liquid is caused to pass through the hydrophilic filter medium 22 before exiting from the filter outlet chamber; when the vessel is relieved of the squeezing pressure it returns to its original shape by the entrance of air through the hydrophobic filter membrane 38. <IMAGE>
Patent GB-2147510-A (GB)
Title: Indicating module for gaming apparatus
Inventor: CLARASO ARTURO FERNANDEZ
IPC: A63F9/00
Filed: 1984-01-06
Abstract: The module comprises a die 1 mounted for pivotal movement about an axis 2-3 extending between diametrally opposite corners, and rotatable by a stepping motor 4. The motor 4 is under control of a device 6 having six windows 7 showing indicia which correspond to respective faces of the die 1 and which are sensed by a detector 8. A computer (not shown) selects a winning indicia and is responsive to signals from the detector 8 to stop the motor when the winning indicia are detected. The die 1 is arranged so that the winning indicia are illuminated by one of a pair of lights 11. <IMAGE>
Patent GB-2135992-A (GB)
Title: Substituted pyrimidines and processes for their preparation
Inventor: BENNECHE TORE
IPC: C07D239/34
Filed: 1984-01-10
Abstract: 5-Trifluoromethyl pyrimidines of the formula:-   <IMAGE>  [wherein A represents the group -CO-NR<3>- or   <IMAGE> (wherein R<3> represents a hydrogen atom, a glycosyl group or an optionally substituted C1-4 saturated or unsaturated, straight or branched chain, aliphatic hydrocarbyl group; n is 0, 1 or 2 and R<4> represents a C1-32 saturated or unsaturated, straight or branched, cyclic or acyclic aliphatic group or an araliphatic or heterocyclic substituted aliphatic group, a heterocyclic group or an aryl group which groups may if desired carry one or more substituents)] and where an acidic or basic group is present, the salts thereof; are of interest either in combating abnormal cell proliferation or as intermediates in the preparation of such compounds. The compounds of formula I may be prepared in good yield from the known compound 2-chloro-5- trifluoromethyl pyrimidine or an analogue thereof.