baber/WOPTO huggingface dataset:
Patent GB-2176754-A (GB)
Title: Two/four wheel vehicle transmission
Inventor: TOLAN BRIAN
IPC: B60K23/06
Filed: 1986-06-19
Abstract: A vehicle transmission offering automatic selection of four wheel drive from two wheel drive comprises a differential of the type which only drives both output shafts when the ratio of their rotational speeds falls within a predetermined range around the value 1:1. The input of the differential is connected to the prime mover of the vehicle and the output shafts are connected to respective sets of wheels, at different drive reduction ratios such that in normal use with all wheels rotating at the same speed the output shafts do not rotate at speeds producing a ratio within the said range. In normal use, therefor, only one shaft will be driven. The wheels driven with two wheel drive are connected to the output shaft which normally rotates at the lesser speed, and thus if wheelslip occurs, that shaft will speed up until the speeds of the two shafts fall within the said ratio and both are driven, providing four wheel drive. <IMAGE>
Patent GB-2193529-A (GB)
Title: Internal combustion engines
Inventor: PIRAULT JEAN-PIERRE
IPC: F02F1/00
Filed: 1986-08-05
Abstract: A monoblock engine, i.e. one in which cylinder block and cylinder head are integrally formed, comprises a preformed unitary skeleton 10 of a hard metal cast in situ within a less dense matrix 12 forming the remainder of the engine block, the skeleton including at least cylinder liners 14 and valve seats 16 for the engine cylinders in the block. Galleries 30, 32 and 42 are for engine coolant and gallery 31 is for the circulation of exhaust gases via valves, which are only open when the engine is cold, in order to achieve rapid warming of the engine. <IMAGE>
Patent GB-2198708-A (GB)
Title: Tamper evident carton
Inventor: TIERNEY DENNIS
IPC: B65D5/54
Filed: 1986-11-19
Abstract: A carton comprises a wall portion 13 and a closure portion 16, the wall portion 13 defining first and second spaced apart apertures 28, 29 and the closure portion 16 including a section 19 which passes through the first aperture 28. Retention means in the form of a wide retainer part 26 on the section 19 is provided which is co-operable with the first aperture 28, and further retention means is provided in the form of a catch 20 for co-operation with the second aperture 29. The carton also comprises means 24, e.g. perforations, to facilitate tearing of the section 19 to enable the closure portion 16 to be opened. <IMAGE>
Patent GB-2186289-A (GB)
Title: Microbial production of ethanol
Inventor: MCCORMACK CHRISTOPHER ALPHONSU
IPC: C12P7/10
Filed: 1987-02-06
Abstract: A process for producing ethanol from non-cultivated species of graminae which involves heating homogenized grass or hay with a ???-cellulase to convert cellulose to glucose, filtering the reaction medium following said treatment and subjecting the filtrate to fermentation with an ethanol-producing microbial system. The homogenized grass or hay may be hydrolysed with an inorganic acid or base before treatment with ???-cellulase. The ethanol may be used as fuel for an internal combustion engine.
Patent GB-2191587-A (GB)
Title: Blood pressure measuring unit
Inventor: SASAKI KITOH
IPC: A61B5/022
Filed: 1987-03-25
Abstract: A blood pressure measuring unit comprises a casing 2 having a wrist band 7 a digital display device 12 and a blood pressure measuring device 13, and is provided with an air pressure chamber 10 to which cuffs 17 are fixed in such a manner that the cuffs are communicated with the air pressure chamber 10. The blood pressure measuring device 13 is composed of a pressure sensor 14 having a pressure sensing portion 14a slightly projecting into the air pressure chamber, an oscillating circuit (15, Figure 4), and a processor (16) electrically connected to the digital display device 12. 
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Patent GB-2191856-A (GB)
Title: A system for sensing a discontinuity in a metal surface
Inventor: REDMAN DEREK HARRY GRADDON
IPC: B23Q35/128
Filed: 1987-06-10
Abstract: A system (10) for sensing a discontinuity in a metal surface (14), the system (10) comprising a light source (12), photo-electric means (37) for receiving light from the light source and converting it into electrical signals, oscillator means for generating an AC drive signal at a frequency of the order of 50 Hz to oscillate the light source, comparator means (38) for comparing the phases of the drive signal and the output of the photo-electric means, and mover means (30) for moving the light source relative to the metal surface in dependence upon the output of the comparator means to maintain the light source aligned with the discontinuity in the metal surface. If the surface is the surface of a tube, the light source is moved in an arcuate path around the surface at a constant distance therefrom. The system may include an eddy-current arrangement for measuring and controlling the height of the light source above the surface. The mover means (30) may be a bidirectional drive stepping motor. <IMAGE>
Patent GB-2191954-A (GB)
Title: Snooker cue extension
Inventor: WALLACE THOMAS
IPC: A63D15/08
Filed: 1987-06-12
Abstract: A cue extension 1 suitable for use with a cue having a chamfered face 9 at one side 10 of its rear end 11. The extension comprises an elongate shaft 2 having a tubular forward end portion 3 comprised by a plurality of discrete radially inwardly biased longitudinally extending fingers 4 and a stop means 5 at the rearward end of said fingers 4. The stop means comprises a generally wedge-shaped lug means 6 formed and arranged for engagement with the chamfered face 9 of the snooker cue in use of the extension 1 so as to prevent rearward movement of the cue therein whilst also preventing relative rotation between the cue and extension 1. <IMAGE>
Patent GB-2206502-A (GB)
Title: A vibratory filtering screen assembly
Inventor: BAILEY MARSHALL GRAHAM
IPC: E21B21/06
Filed: 1987-07-07
Abstract: The assembly comprises an upwardly inclined member (12) on which is mounted a main filtering screen (14). At the exit (16) of the main screen is a secondary screen module (20) comprising a plurality of transverse supports of rectangular section on which is mounted a secondary screen (24) held in position by beading (26). Surrounding the secondary screen (24) is a perimeter border or dam (28) for containing the discharge which is passed on to the secondary screen. In operation, slurry is fed on to the main screen (12) where vibration passes it to exit (16). Solid wet components of the slurry drop on to the secondary screen (24) where the vibration continues to dry out the solid particles, waste liquid being diverted away by a plate (30). Especially for use in the oil industry for reducing liquid content of drilling mud. …<IMAGE>…
Patent GB-2192932-A (GB)
Title: Security screen
Inventor: BREWER ROBERT KENNETH
IPC: E05G7/00
Filed: 1987-07-22
Abstract: A security screen assembly eg for banks has a bullet proof screen (8) is raised by a pair of pneumatic cylinders 48 the rams 26 of which are connected to the top of and within the double walls 18a,b of the screen whereby the screen can be raised without the need for mullions or side supports. <IMAGE>
Patent GB-2209110-A (GB)
Title: Sound reproduction system
Inventor: FITTES DALE RUSSELL
IPC: H04S3/00
Filed: 1987-08-26
Abstract: A sound reproduction system for producing a 'surround-sound effect' uses three loudspeakers. The signal fed to a third loudspeaker 28 is derived from the signals supplied to the left and right speakers but is subject to a variable delay 25. The third signal is the difference between the left and right signals where there is such a difference above a threshold, and otherwise corresponds to the, or the sum of the, equal signals fed to the other loudspeakers in the system. The delay 25 can be variable and use an analogue bucket brigade device. <IMAGE>
Patent GB-2211896-A (GB)
Title: Wave power device
Inventor: BAZELEY TIMOTHY WILLIAM
IPC: F03B13/14
Filed: 1987-10-31
Abstract: The wave power device consists of a vented chamber or chambers wherein rising water in the chamber or chambers produced by waves is allowed free or controlled ingress by means of pivoted flaps or other forms of control and wherein falling water from the chamber or chambers is controlled to provide power. The device may be located within a ship or vessel to provide propulsion and/or retardation thereof (Figure 1), or it may be attached to the sea bed for the generation of electricity by means of one or more water turbines (Figure 2).
Patent GB-2202749-A (GB)
Title: Adhesive dressings, their preparation and use
Inventor: WARD WILLIAM JOHN
IPC: A61M25/02
Filed: 1988-03-01
Abstract: A dressing for retaining a cannula on the skin is described. The dressing comprises a backing film coated on one face with an adhesive layer and with first and second release sheets covering the adhesive layer. A hole and a dividing line are cut through the dressing and second release sheet so that the dividing line extends from the hole to one edge of the dressing and the edge of the second release sheet. In use when the second release sheet is removed the hole in the dressing fits around the indwelling cannula. In a preferred form a portion of the dressing comprises an adhesive coated handle which is stiffer than the remainder of the dressing and which carries the hole and dividing line.
Patent GB-2202310-A (GB)
Title: Method and system for dispensing sub-units to achieve a selected target impact pattern
Inventor: NAGABHUSHAN BELLUR LAKSHMINARA
IPC: F41B3/04
Filed: 1988-03-02
Abstract: An airborne system (10) and method of dispensing a plurality of sub-units (22) such that the ground plane impact pattern of the plurality of sub-units (22) substantially corresponds to a particular geometric target area. An onboard control module (150) including a microprocessor (130) which receives flight data (138) and a selected target data (140) also has a program store of sub-unit ejection sequences (132) and a logic selection of sub-unit ejection velocities (134). The microprocessor (130) selects an appropriate sub-unit ejection sequence and individual sub-unit ejection velocity in accordance with the flight and selected target data and effects a release of the plurality of sub-units in a manner such that they disperse and impact in the pattern of the selected target. <IMAGE>
Patent GB-2219646-A (GB)
Title: Eccentric ring nest suspension
Inventor: OWEN DAVID
IPC: F16F3/02
Filed: 1988-06-08
Abstract: A vehicle suspension unit is made up from a number of cylindrical spring steel rings 5 of decreasing radius, commonly secured at their base to a wheel axle 8 so as to form an eccentric ring nest, with the outer ring 1 secured at its uppermost point 9 to the vehicle body. This provides a simple method of obtaining a variable spring rate which is low for small deflections and high for larger deflections of the suspension. <IMAGE>
Patent GB-2222320-A (GB)
Title: Preventing electrical creepage in an electric motor end cap region
Inventor: WANG PATRICK SHUI-CHUNG
IPC: H02K5/22
Filed: 1988-08-24
Abstract: A plastic frame 20, carrying brush gear, sits inside the metal end cap 14 in the PMDC motor housing and includes tubular projections 28 which project up into the ventilation holes 26 provided on the end cap 14 to line the inner periphery 34 of the holes, thus serving to mask portion of the end cap seen by the brushgear and increase the creepage distance in this region. <IMAGE>
Patent GB-2223460-A (GB)
Title: Trolley
Inventor: NEWTON-SHIMPE RAYMOND DENNIS
IPC: F16M11/42
Filed: 1988-09-28
Abstract: A trolley, especially for supporting motor vehicle panels to be sprayed, comprises a base and a plurality of arms (33) which are capable of telescopic, rotational and pivotal adjustment to enable them to hold panels and other bodywork members in a variety of positions. Adaptors such as 37, 38 may be employed to hold a fender or a door on the trolley, and magnetic holders may be used to hold the panels etc in position. The trolley may be collapsed for storage by telescoping the arms and wheel bearing members 18a, b. <IMAGE>
Patent GB-2217576-A (GB)
Title: Pressurised envelopes
Inventor: RUDY MARION FRANKLIN
IPC: A43B13/40
Filed: 1989-02-03
Abstract: To produce a multi-layer cladded material, wiht an inner pressure and gas-filled cladding such as for upholstery or shoe inner soles, two textile layers are applied to the cladding against its inner surfaces so that they are bonded to the elastomeric material. The fibre structure of the fabrics contains texturised or flannelised yarns to increase adhesion. Relative movements of theh fabric layers are restrained by a flexible insert between them, while the interior of the cladding is charged with a gas.
Patent GB-2229465-A (GB)
Title: Plaster panels
Inventor: PRITCHARD JAMES SAVAGE
IPC: E04C2/38
Filed: 1989-03-21
Abstract: A plaster panel comprises studs a or j with tabs f or clips g supporting a mesh b supporting a plaster layer. <IMAGE>
Patent GB-2218068-A (GB)
Title: Can ends
Inventor: KAWAMOTO YOJI
IPC: B65D1/16
Filed: 1989-04-03
Abstract: A bottom structure of a thin-walled can for sealingly enclosing liquid or gas consists of a dome section 1, a counter section 2, a ground section 3, a heel section 4, and a side wall section 5, the dome cross-section being formed of a curve whose radius of curvature changes substantially continuously along the curve, and the counter section being contiguous to the dome section so as to align with the direction of extension of the dome section. Preferably, the angle formed between the cross-section of the counter section and the vertical line is chosen to be within the range of 0 DEG  to 15 DEG . Furthermore, preferably the cross-section shape of the heel section extending from the counter section through the ground section to the side wall section is a circular arc that is inwardly convex (R Figure 2) aiding stacking of like cans. The dome curve may be part of an ellipse, a parabola, a catenary, a cycloid, an involute of a circle, or a hyperbolic spiral. The dome shape allows the wall thickness to be reduced for a given pressure proofness. <IMAGE>
Patent GB-2218005-A (GB)
Title: Tiddlywink table game
Inventor: FALLOWS RUPERT STUART HAROLD
IPC: A63F9/02
Filed: 1989-05-08
Abstract: A tiddlywinks type game has a playing surface 10 marked out (lines 13) to represent a known games court, e.g. a tennis or badminton court, a divider 20, 21 representing a net and which can be placed to stand upright on the playing surface to separate it into two halves, an object counter 23 representing the ball or shuttlecock, and two of player counters 22 representing the players. The playing surface is also divided into a pattern 11 of rectangular contiguous areas, with dots 12 marked at the midpoints of their edges. In play, the player counters are required to be left where they are when the object counter is moved, and these areas 11 and dots 12 serve to limit the extent to which the player counters can be moved for the next shot. The playing surface has a relatively rough finish. It may be a sheet of cloth which may be accompanied by a backing layer of resilient material. Alternatively, the surface may be stiff and resilient. It may be made up from separate sections of rigid material. <IMAGE>
Patent GB-2218559-A (GB)
Title: Coin or token-operated music making machine for playing selected pre-recorded record discs
Inventor: BLAKEWAY IAN
IPC: G11B27/00
Filed: 1989-05-10
Abstract: There is disclosed a coin or token operated music making machine or juke box which is capable of playing a pre-selected record disc (discs 1 to 4) from a first store 11 of record discs, and which is provided which a built-in system for playing background music during periods of non-selection of record discs. The juke box therefore comprises a further store 14 for pre-recorded record discs (discs A to D) of any required background music, a timer 15 arranged to monitor the time duration from termination of a previous selected operation of the machine to play one of the discs 1 to 4, and a control system 16 operable to initiate operation of disc selector/changer 1 to take a disc from the further store 14 when a predetermined time duration has been monitored by the timer 15 following paid playing of a selected disc (discs 1 to 4). <IMAGE>
Patent GB-2220944-A (GB)
Title: Polyolefin compositions for photo-biodegradable films
Inventor: BREANT PATRICE
IPC: C08K3/00
Filed: 1989-06-02
Abstract: A film-forming composition comprises, per 100 parts by weight of at least one polyolefin:   (a) 0.001 to 0.02 parts by weight of iron in the form of at least one ionic iron salt, (b) 0.001 to 0.1 parts by weight of sulphur in the form of sulphur and/or at least one dialkyl polysulphide, and   (c) 5 to 40 parts by weight of at least one polysaccharide.  It may also contain:  - 0.5 to 5 parts by weight of at least one iron oxide and - 1 to 10 parts by weight of at least one silicate.
Patent GB-2219662-A (GB)
Title: Fluid flow detector
Inventor: ICHIKAWA MINORU
IPC: G01P13/00
Filed: 1989-06-06
Abstract: A compact flow sensor (10) is arranged in a fluid piping circuit, or at an inlet or an outlet of the fluid piping circuit, and has a fluid inlet 1a and an outlet 1b, and further comprises a piston (4) having a magnetic member (4a) as a part thereof and displaced by pressure difference of the fluid between the fluid inlet and the fluid outlet, a fixed magnetic member (2) positioned at a distance from the piston, and a sensor (6) arranged in a position where the sensor is subject to variations in magnetic action when the piston is displaced in response to changes in rate of flow. The piston is subject to a return spring (5) and the sensor (6) is a Hall device. 
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Patent GB-2234527-A (GB)
Title: Methods of producing metallic powders and metallic powders produced by such methods
Inventor: WILLIAMS STEPHEN
IPC: B22F1/145
Filed: 1989-08-05
Abstract: A process for producing a metallic powder comprises the steps of forming an aqueous slurry of a metallic powder and a film-forming cellulose derivative, applying a coating of this slurry onto a support surface, and heating the slurry coating to a temperature sufficient to induce gelling of the cellulose derivative thereby to produce a self-supporting strip comprising essentially the metallic powder. This self-supporting strip is fed into and through a heat treatment furnace in a reducing atmosphere at a temperature and for a period of time sufficient to achieve reduction in the oxygen and/or nitrogen and/or sulphur content of the metallic powder. The strip is withdrawn from the furnace and reduced to particulate form for subsequent use.
Patent GB-2223521-A (GB)
Title: Resilient tiling
Inventor: HARRIS KEITH
IPC: E01C5/18
Filed: 1989-08-25
Abstract: Resilient tiles for e.g. playgrounds have complementary interengaging flanges 26 and recesses. Corner and edge tiles have sloping upper surfaces (Fig 6) and have metal strips 32, 44 to hold anchorage bolts. <IMAGE>
Patent GB-2239716-A (GB)
Title: Assessing surface characteristics
Inventor: THEVARATNAM ASEERVATHUM
IPC: G01N33/36
Filed: 1989-12-22
Abstract: Surface characteristics of a flat surface of materials, such as pilling produced by abrasive wear of textile fabric, are assessed by comparison of the surface B successively with a series of holograms showing a gradation of such characteristics, the surface and each hologram being compared under the same lighting conditions and thus giving a more reliable comparison. A drum-like holder 6 pentagonal in cross-section holds five holograms 6a, showing stages of.e.g. pilling of fabric and is selectively rotatable to display a hologram A through a rectangular orifice in portion 9a of inclined surface 9. A specimen of an abraded fabric B is supported at the other portion 9b, so that for accurate comparison both hologram A and specimen B are illuminated at the same angle ( alpha ), Fig. 1 (not shown), by identical tungsten halide light sources 10 at the same distance away. Vertical wall 7 prevents cross-illumination. <IMAGE>
Patent GB-2230284-A (GB)
Title: Overroofing construction
Inventor: REMY ALAIN
IPC: E04D3/36
Filed: 1990-03-28
Abstract: The securing arrangement comprises metal girders (1) having a general Z-shaped profile secured at intervals on the existing purlins (13) of the building, the said metal girders having a bottom flange (2) provided with perforations (4) to allow securing thereof on the said purlins (13) through existing roof (12), a top flange (5) likewise provided with perforations (7), (8) so as to allow securing of the panels (21) constituting the overroof and a central part (9) connecting the flanges, said central part (9) being substantially perpendicular to the flanges (2), (5) and likewise having perforations (10) to allow natural ventilation under the overroof, and having a lug (11) to locate insulating material (19). <IMAGE>
Patent GB-2244322-A (GB)
Title: Apparatus for imparting rocking or oscillatory movement to the walls of a container
Inventor: TSENG CHIN HSIEN
IPC: G09F19/02
Filed: 1990-05-25
Abstract: Apparatus for imparting rocking or oscillatory movement to a device 3, 4 such as a flexible container having a bottle-like shape, comprises a plurality of gears 14, 151, 152, 16 rotatable by a drive means 13 such as a battery driven electric motor, and an arm 17 pivotally mounted on a frame 12, said arm having on one side of the pivot guide means 171 engaged by a projection 161 extending from one of the gears 16 and serving to rock the arm backwards and forwards upon rotation of the gears, said arm having means 174 on the opposite side of the pivot for connection to the device 3, 4 to be rocked or oscillated. <IMAGE>
Patent GB-2233759-A (GB)
Title: "Particulate ore sorting"
Inventor: HANSEN JOHN OLAF
IPC: B07C5/342
Filed: 1990-06-12
Abstract: Particulate ore material which is to be sorted is mixed with a liquid to form a slurry. This is done in a header tank 12 which is connected to a vertical duct 10 through which the slurry flows under gravity. The static head of slurry in the header tank is maintained constant (16, 18). During its flow through the duct, the slurry is irradiated (24) and the responses of the particles in the slurry to the radiation is detected (26) and analysed to form the basis for a subsequent step of sorting the particles into fractions in accordance with their responses. Typically the method is used to sort diamonds for diamondiferous particles from non- diamondiferous particles and the radiation is either laser radiation designed to produce detectable Raman spectral activation in the diamond particles or X-radiation designed to produce detectable luminescence in the diamond particles. <IMAGE>
Patent GB-2246689-A (GB)
Title: Creating a 3-D image from a plurality of cross-sections
Inventor: WINTER DAVID JOHN
IPC: G06T17/00
Filed: 1990-08-04
Abstract: In a computer graphics system a 3-D image of an object is created by assembling, or "stocking", a plurality of cross-sections of the object. The cross-sections may be produced by repeatedly sectioning the object and photographing the exposed surface or by the use of an X-ray device such as a CT scanner. Areas of interest in the image can be defined using different types of contour lines and different colours. The image processing involves converting raster-based data to a vector format. The object may be a biological specimen or a man-made object.