baber/WOPTO huggingface dataset:
Patent GB-2094366-A (GB)
Title: Extending and retracting a collapsible section of a sliding room-divider panel
IPC: E06B3/92
Filed: 1981-03-09
Abstract: Collapsible section 14 in one of the sliding panels is extended and retracted telescopically by mechanism 16 having jacking devices 42 to 48 spaced along the height of the extending section, the jacking devices being inter-connected to operate simultaneously. This ensures that the room divider system is under a compresive force over the whole of its height. <IMAGE>
Patent GB-2087381-A (GB)
Title: Urea production
IPC: C07C67/00
Filed: 1981-08-07
Abstract: A process for the production of urea from ammonia and carbon dioxide in an NH3:CO2 molar ratio of from 5:1 to 8:1 comprises the synthesis of a urea solution in a synthesis reactor and the decomposition of ammonium carbamate contained in the resulting urea solution in two stages in decomposers, the first stage using ammonia as the stripping agent and the second stage using carbon dioxide as the stripping agent. The synthesis and the first decomposition stage are carried out under a pressure equal or substantially equal to each other, which pressure is from 180 to 250 bars, whereas the second decomposition stage is carried out under a pressure of from 30 to 50 bars lower than the pressure used in the first decomposition stage.
Patent GB-2105612-A (GB)
Title: Surface covering material and process for its manufacture
Inventor: HIGHFIELD DAVID
IPC: D06N7/00
Filed: 1981-08-25
Abstract: The dimensional stability of a surface covering material is improved by incorporating in a support layer fibres of length 100  mu m to 250 mu m, the fibres preferably being glass. The material may be one comprising a thermoplastic layer reinforced by the fibres having a foamed plastic layer on one surface.
Patent GB-2083366-A (GB)
Title: Golf putters
IPC: A63B53/04
Filed: 1981-09-07
Abstract: A putter has an elastomeric striking face of controlled hardness and rebound response to impart to the putter an improved sense of touch and feel while producing a putt of maximum distance with a minimum of effort and enhanced directional accuracy. The putter is for use with a stance wherein the natural body movement of the golfer is utilized in stroking or swinging the putter, eliminating the necessity of swinging the putter around the body while trying to keep the face of the putter moving in a straight line. The head of the putter includes a face having a width greater than its height, with the base of the face having a contour across the width of the face. The shaft is positioned in the head at an angle to a vertical line extending through the center of a horizontal line extending across the face of the putter. The top of the putter face is masked in order that when the shaft of the putter is held in a vertical position the putters when viewed from the top, has the appearance of having a low point on the base of the face in line with the shaft. <IMAGE>
Patent GB-2100383-A (GB)
Title: Control system for a fluid pressure engaged clutch
IPC: F16D48/06
Filed: 1981-11-10
Abstract: Fluid pressure for engagement of a clutch (14) is controlled by valve means (15) alternating between supply and drain conditions in response to a high frequency electrical square wave signal. The valve means (15) produce a low flow pilot pressure signal which controls clutch engagement pressure through a valve (16) incorporating a piston (17) which allows clutch engagement pressure to drain whenever that pressure exceeds pilot pressure. <IMAGE>
Patent GB-2087242-A (GB)
Title: Improved heads for golf clubs
IPC: A63B53/04
Filed: 1981-11-13
Abstract: The golf club head has a thin steel shell having a thickened striking wall or face (11) and a keel (17a) extending rearwardly along its bottom (19, 20). The shell encloses a plastics material filling (22) and a balancing weight chamber filled with dense metal particles (44). To stiffen the striking wall (11) against deformation when striking a golf ball, a rigid steel bracing rod (50) is secured to the middle of the striking face, extends across the interior of the shell, and is joined to a rearmost, concave corner (51) of the head. The rod (50) is located above the keel (17a) and internal, upstanding ribs can be provided integrally with the striking wall (11) to stiffen it further against deformation. <IMAGE>
Patent GB-2097564-A (GB)
Title: Spacecraft control system
IPC: G06F13/42
Filed: 1982-03-04
Abstract: With the evolution of satellites which are required to carry multiple missions comes the need for spacecraft sub-systems to perform increasingly complex functions, These could be carried out by using vastly more complicated conventional units containing standard random logic elements, but in order to retain a high degree of reliability and flexibility in implementation with a minimum penalty in terms of overheads such as mass and power requirement, long life-time computers are needed. In the system described a spacecraft computer function is split among a number of microcomputer modules 1 which interface 4 to and communicate using a serial data bus 3 mechanism. A particular Addressable Serial Bus Interface Circuit device is described. <IMAGE>
Patent GB-2116709-A (GB)
Title: Detecting surface mildew
Inventor: MCCARTHY BRIAN JOSEPH
IPC: C12Q1/04
Filed: 1982-03-09
Abstract: A method has been developed for detecting the presence and even the location of mildew on textile fabrics, and by extension the presence of any living organism at the surface of any object, by the application of an agent for the release, from the cells of the organism, of a substance, exemplified by adenosine triphosphate, which is capable of reaction with a specific enzyme to produce bioluminescence. The bioluminescence is visualised by an image intensifier. The released substance may be allowed to migrate from the surface and be quantitatively determined, or it may be visualised in situ to show the location of the contamination.
Patent GB-2128057-A (GB)
Title: Process for data transmission
Inventor: OLANIYAN JIDE
IPC: H04L25/49
Filed: 1982-09-20
Abstract: Binary digits are sent as a series of pulses each of which is asymmetric with respect to time. Preferred pulse shapes are triangular, and alternate pulses are preferably inverted electrically prior to transmission. <IMAGE>
Patent GB-2129118-A (GB)
Title: Gas liquid air conditioning system
Inventor: OLLEY ROBERT
IPC: F24F3/147
Filed: 1982-10-26
Abstract: The invention relates to apparatus in which energy is conserved by contacting water with warm air thereby warming the water which is then contacted with cooler air entering a building so warming and humidifying that air. Alternatively the water may be contacted with cool air and then with warmer air about to enter the building so reducing its heat content and energy required for refrigeration. The invention conserves energy through cyclic direct contact of water with two or more air or gas streams at different total heat levels. Recycled air in a building may be contacted with a liquid which is then contacted with air entering the building.
Patent GB-2111597-A (GB)
Title: Rotary positive-displacement pump
Inventor: HERTELL SIEGFRIED
IPC: F04C29/12
Filed: 1982-12-14
Abstract: A sliding-vane pump for eg. a compressible fluid, has vanes 9 mounted in a stationary cylindrical body 6 and engaging with the peripheral wall of a non-circular chamber 3 within a revolving housing 2, the vanes being biassed by eg. the pressure of a fluid, such as oil, in an annular space 27 between said body and housing. The space communicates with the vane slots B and is charged with oil by way of a channel 19. The working fluid may be inducted through passages 18 and ports 58 and discharged through passages 20,21 controlled by a valve(s) eg. a flexible and resilient ring 25. Alternative discharge passages and valves are described, Figs. 3-7d (not shown). The housing may be driven by a motor-vehicle I.C. engine through a belt 15 and comprised in a vacuum-type brake-system. <IMAGE>
Patent GB-2126899-A (GB)
Title: Breast pump
Inventor: SPONSEL WILLIAM ERIC
IPC: A61M1/06
Filed: 1983-02-11
Abstract: A breast milk collection system comprises a Venturi pump (a) connected to a water tap via a universal screw-on adaptor (b), which may be left in place, and click-on connector (c), which allows easy removal of the pump between feeds. Tubing (d) transmits suction to the nipple and safety trap (e) prevents backflow of water vapour. Breast cup (f) is applied to aerolar skin, and evacuation of the milk bottle and breast cup achieved when valve (h) is occluded by the mother's finger. Expressed milk enters the bottle via internal channel (g). Pulsatile sucking action is created by repeated light touch and release of the finger valve (h). <IMAGE>
Patent GB-2125835-A (GB)
Title: A cam arrangement for knitting machine
Inventor: ROTHE DIETER
IPC: D04B15/32
Filed: 1983-06-15
Abstract: The invention relates to a cam arrangement, in particular for a large circular knitting machine having at least one cam track for the butts of the knitting elements which comprises, in the direction of movement of the needle cylinder and/or needle plate, successive cam sections 5 with different angles of inclination, with which, at least in the area of the points of transition between these sections, backing-cams 6 are associated. In order to increase the knitting speed, in the region of at least one point of transition between these sections the backing-cam 6 is provided with a recess, on the needle shaft 3 side of the butts 2, whose height is 1/10 to 1/2 of the height of the butts, such that the butts are guided in the cam track in the region of the recess solely with the remaining 1/2 to 9/10 of the butt height. By this means mechanical stresses on the needles are damped. <IMAGE>
Patent GB-2141988-A (GB)
Title: Clamping device for conveyor belts
Inventor: FUDICKAR HARLAD
IPC: B65G15/00
Filed: 1983-08-05
Abstract: A clamping device (1) for clamping a conveyor belt (2) with a prescribed clamping force has an upper crossbar (3), a lower crossbar (4), gripping bolts (5) and a mounting (6) by means of which clamping device as a whole, including the clamped conveyor belt (2), can be anchored and/or supported. Both of the crossbars (3, 4) having a clamping bar (7, 8) for contacting the conveyor belt, with clearance holes (9) in the clamping bars through which the gripping bolts (5) are inserted, at least one of the clamping bars (7) being supported from the associated crossbar (3) by hydraulic pressurising means (10) which sets up or transmits the clamping force, and the mount serving to guide the clamping bars. <IMAGE>
Patent GB-2147964-A (GB)
Title: Liquid-tight compression joints for metal tubes
Inventor: BENNETT WALTER
IPC: F16L19/04
Filed: 1983-10-14
Abstract: In forming a compression joint between two copper tubes 10 and 12 an end portion 27 of one tube 12 is expanded to a tight fit within a brass bush 18, and an endmost portion of the tube is flared outwardly to present an annular end face 28. An end portion 29 of the other tube 10 is inserted into the expanded end portion 27 of the one tube 12, and a nut 14 thereon is secured on to the bush 18 to trap an olive 16 against the end face 28 of the tube 12. A liquid-tight joint is so formed without requiring the bush 18 to be soldered to the tube 12. <IMAGE>
Patent GB-2151388-A (GB)
Title: Musical toy vehicle
Inventor: CHAN KIT-LEUNG
IPC: A63H19/14
Filed: 1983-12-15
Abstract: A musical toy vehicle 1 has a motor 10 to drive the vehicle, a sound-producing means for producing musical notes, and feelers 35 adapted to contact cam surfaces adjacent the path of movement of the vehicle and to cause the sound-producing means to sound notes, the positioning of the cam surfaces in relation to the path of movement of the vehicle determining the notes sounded. Conveniently, the vehicle runs around a track carrying the cam surfaces. The sound-producing means may include a blower 20, 21 driven by the motor and pipes 26 of different pitch to be supplied with air from the blower through valves 28 controlled by the feelers. <IMAGE>
Patent GB-2136635-A (GB)
Title: Current-limited inductive coupler
Inventor: POOLE DOUGLAS PATERSON
IPC: H01F38/14
Filed: 1984-03-07
Abstract: A two-part (12a, 12b) separable inductive coupler is provided with a current limiting reactor (21) whose control winding (33a, 33b) is energised by D.C. derived from e.g. the primary winding (17) of the coupler. When the connector parts are connected the impedance of the primary winding (17) is high, the e.m.f. across it is high and the control winding (33a, 33b) is energised, saturating the reactor cores (27a, 27b) and ensuring that the choke windings (29a, 29b) in the primary circuit are non-inductive. When the connector parts are separated the e.m.f. across winding (17) falls and the cores (27a, 27b) desaturate so that the choke windings (29a, 29b) become inductive and limit the primary current. <IMAGE>
Patent GB-2137061-A (GB)
Title: Soil Cultivating Implements
Inventor: VAN DER LELY ARY
IPC: A01B33/06
Filed: 1984-03-20
Abstract: A soil cultivating implement of the kind which comprises a row of rotary soil working members 3 that extends substantially horizontally perpendicular to the direction A is at least partly sustained from the ground surface by a roller 14 located rearwardly of the members 3. To enable the seated tractor driver to effect a vertical adjustment of the heavy roller, a pivotably mounted (7) carrying structure 8, 9 of the roller 14 is connected to a lifting device or hitch 27 by a tie member 23 of telescopic formation comprising a ribbed inner part 30 and an outer part 31 having a housing 32 containing a spring-loaded locking bolt that will co-operate with the ribs of the part 30. The locking bolt can be withdrawn against its springloading by turning a lever 33 remotely controllable from the driving seat of the tractor 28 by pulling upon a control rope or cable 34 whereafter the driver can use the lifting device or hitch of the tractor 28 to raise or lower the frame whilst gravity maintains the roller 14 against the ground surface and the tie member 23 extends or contracts. Indicating means 36, 37 show the chosen bodily level of the ground roller 14. Alternative constructions of the remotely- controllable position-setting means, the locking means and the indicating means are described and illustrated including a hydraulically operable tie member and co-operating locking means. <IMAGE>
Patent GB-2137999-A (GB)
Title: Pyrimidinetrione Derivatives
Inventor: GOLD-AUBERT PHILIPPE
IPC: C07D239/62
Filed: 1984-04-11
Abstract: A process for the preparation of pyrimidinetrione derivatives of formula (I) is described   <IMAGE> wherein R<1> and R<2>, which may be the same or different, represent aliphatic, araliphatic or aryl groups, and R<3> represents a group of the formula -CH2CH(OCONH2)-CH2OX wherein X is hydrogen or a C1-5alkyl group which comprises reacting approximately equimolar amounts of a monoalkali metal salt of a compound of formula (I), wherein R<3> is a hydrogen atom, with an alkylating agent R<3>Hal wherein R<3> is as defined above and Hal represents a halogen atom, in the presence of at least 0.2 moles of an acid of formula (I) wherein R<3> is hydrogen atom per mole of alkali metal salt. The yield is increased by up to 50% by this method. The process is of particular application to the preparation of febarbamate, 1 -(3-<n>butoxy-2-carbamoyloxypropyl)-5-ethyl-5- phenyl-(1H,3H,5H)pyrimidine-2,4,6-trione. Also described is a method of treating geriatrics using febarbamate which has particular advantages in reducing irritability and antisocial behaviour.
Patent GB-2142397-A (GB)
Title: Hydraulic overrun brake arrangement in wheeled trailer
Inventor: BUCHMULLER JOSEF
IPC: B60T11/10
Filed: 1984-06-14
Abstract: A wheeled trailer has a drawbar (7) slidable in a hollow shaft (5). When the trailer overruns the drawbar, an operating piston (21) pressurises a hydraulic master cylinder (20) and brakes a trailer wheel via a supply duct (15) and a selector valve (49) responsive to direction of rotation of the braked wheel. The valve (49) responds to reverse motion of the trailer to connect the brake actuator to a pressure release duct (16) and thence to a further cylinder (27) instead of to the hydraulic master cylinder (20); when the drawbar is pulling, e.g. with the trailer tending to roll back down an incline, pressure in the further cylinder (27) brakes the trailer, but when the drawbar overrides the trailer (7), e.g. during reversing, the further cylinder (27) is vented to a chamber (11), releasing the brake. <IMAGE>
Patent GB-2144479-A (GB)
Title: The casting of concrete shells
Inventor: JONES WINSTON GRIFFITH
IPC: E04G11/36
Filed: 1984-07-12
Abstract: A shutter assembly and method for casting an axisymmetrical concrete shell (14). The shutter assembly consists of a plurality of cantilever beams (24), means (32, 22) for anchoring each beam to the upper surface of a concrete ring (18) of the shell (14) to extend in a substantially radial direction towards the centre of the shell (14), single face shutter decking (40) and means (34, 36) for suspending the decking (40) from the beams (24) to lie against the under surface of the shell ring (18) and extend therefrom in substantially radial direction so that the subsequent ring (54) of the shell may be cast on the shutter against the edge of the ring (18). The method includes the steps of sequentially casting and connecting the rings in a radial a direction to complete the shell (14). <IMAGE>
Patent GB-2163586-A (GB)
Title: Display unit
Inventor: FOX CLIFFORD ROYSTON
IPC: G09F7/18
Filed: 1984-08-24
Abstract: A display unit comprises mutually parallel strips 14 and 30 which define channels spaced apart so that they can support at least two display sheets or panel portions 48 in such a manner that respective display surfaces thereof face away from one another and that respective upper edges of the sheets are contiguous or adjacent to one another. The display sheets diverge in a direction away from those edges. The display unit further comprises a mount (26 and 28) for a light source 24 adjacent to the position where edges of such sheets are contiguous or adjacent to one another so that light from the source illuminates both display surfaces simultaneously. The sheets are bowed, so that the curvature reduces the angle of incidence of the light at the top of the sheet where it is closest to the light source, and increasing it at the bottom so that each sheet is illuminated more uniformly. <IMAGE>
Patent GB-2149016-A (GB)
Title: Air control system
Inventor: GIFFIN ROLLIN GEORGE
IPC: F02K3/077
Filed: 1984-09-05
Abstract: An air control system providing relatively high pressure air from an airstream for use external to the engine, includes inner airfoils 16 connected to a rotor, a shroud 18 attached to the outer end of each inner airfoil, and outer airfoils 24 extending outwardly from the shroud defining a tip compressor. The shroud divides the airstream into inner and outer flowpaths 28,30 with the outer flowpath 30 containing the high pressure air. The tip compressor may have different numbers of blades, blade orientation or shape compared with the inner section. <IMAGE>
Patent GB-2166369-A (GB)
Title: Packing film
Inventor: CLEMENTINI LUCIANO
IPC: B32B27/08
Filed: 1984-09-18
Abstract: A composite packing film consisting of an inner supporting layer of a polyolefinic film coated with an olefinic polymer or copolymer containing free carboxylic groups along the polymeric chain and subsequently with a vinyl polymer or a polyamide.
Patent GB-2152673-A (GB)
Title: Temperature monitoring system
Inventor: SEVERN JOHN
IPC: G01D9/02
Filed: 1984-11-05
Abstract: A temperature monitoring system for a temperature controlled container (1) comprises one or more temperature sensors (6) mounted so as in use to sense the temperature of the interior of the container (1) and to produce an electrical signal representative of the temperature, and digital data logging means responsive to said electrical signals to log the temperature history of the container over a period of time for subsequent retrieval. Displays and alarms can also be provided to indicate unacceptable temperatures. A printed record of the temperature history of several compartments of the container covering a journey can be provided. <IMAGE>
Patent GB-2157125-A (GB)
Title: Compatible high definition TV
Inventor: HURST ROBERT NORMAN
IPC: H04N7/00
Filed: 1985-04-23
Abstract: A high definition TV signal is input 1101 and reduced in definition to the usual level 1106. Deficiencies in this signal are detected 1132 and, for those areas in which no motion is detected 1144 in the low definition signal, the address 1140 and nature 1136 of these deficiencies is incorporated into the low definition signal and transmitted 1114, 1116. At the receiver (Fig 12) the signal is received and reconstituted as a high definition signal. <IMAGE>
Patent GB-2160681-A (GB)
Title: Control circuit for water heater
Inventor: HENDERSON GRAEME PHILIP
IPC: G05D23/24
Filed: 1985-06-04
Abstract: A water heater enables small volumes of hot water to be repeatedly taken from the heater, e.g. to make cups of tea. The heater has a comparator (IC1, IC2), an inlet valve (SOL), a heater (E), a level detector (H,L,IC3,IC4) and a thermostat (S) arranged to allow water into the tank if it is not full and the water temperature is above one predetermined temperature, but to prevent further water entry if the water temperature drops below another predetermined temperature. Water is then only allowed to re- enter the heater once the water has been heated so that its temperature again exceeds the one predetermined temperature. <IMAGE>
Patent GB-2177412-A (GB)
Title: Thixotropic agents, thixotropic paint compositions containing them, and process for preparing the same
Inventor: BERK PETER VAN
IPC: C09D5/04
Filed: 1985-06-28
Abstract: Improved thixotropic agents are disclosed which are produced by the reaction of (i) xylylene or C4-C8 diamine, and (ii) hydroxy-substituted C1-C11 carboxylic acid (or the equivalent lactone), and (iii) polymer fatty acids. Molar ratio of (i) to (ii) is from 1:1 to 2:3, and ratio of amine groups in (i) to acid groups in (ii) + (iii) is about 1:1. Paint compositions containing them are also disclosed, as well as a process for incorporating the thixotropic agents (a) under the form of a concentrated solution (b) either into the paint, or into the hardener, or even distributed amongst the paint and the hardener.
Patent GB-2178409-A (GB)
Title: Crash-lock carton magazine
Inventor: DAYNES BRIAN WALTER JOHN
IPC: B65H1/24
Filed: 1985-07-16
Abstract: A crash-lock carton magazine slopes upwards and curves towards and beyond the vertical, when the cartoning machine incorporating the magazine in use is in its normally intended attitude of operation; the throat height of the magazine is always less than the height of a carton blank; and, the magazine is shorter at the top than at the bottom so as to create a gap between the first several banks and the rest of the blanks in the stack. <IMAGE>
Patent GB-2178356-A (GB)
Title: Fastener driving apparatus and magazine
Inventor: MONACELLI UMBERTO
IPC: B25C5/16
Filed: 1985-07-29
Abstract: Fastener driving apparatus comprising a magazine (15) which includes a rail (17) for supporting and guiding fasteners (31), as they are advanced to a guideway (18) for ejection from the apparatus, the rail (17) being mounted for movement away from and towards said guideway (18) for reloading the magazine (15) characterised in that said rail (17) is mounted for movement transversely of the direction of fastener advance and in that the rail (17) has outwardly inclined end portions (32) for centering fasteners in the magazine (15) during reloading as the rail (17) is returned towards said guideway (18). <IMAGE>