baber/WOPTO huggingface dataset:
Patent GB-2191774-A (GB)
Title: Preparation of cyclopropane derivatives
Inventor: URCH CHRISTOPHER JOHN
IPC: C07C29/32
Filed: 1987-05-15
Abstract: Process for preparing trans isomers of formula:   <IMAGE> wherein R<1> to R<6> are H, alkyl or halogen; and X and Y are H, alkyl, trimethylsilyl, cycloalkyl, alkenyl, alkynyl, aryl, aralkyl, alkoxy or aryloxy the process comprising reacting the trans isomer of a cinnamyl alcohol having the formula (IV):   <IMAGE> wherein R<3>, R<4>, R<5>, R<6>, X and Y have their previous meanings, under the conditions of the Simmons-Smith reaction with a compound CR<1>R<2>Z<1>Z<2>,where Z<1> and Z<2> have their previous significance and Z<1> and Z<2> are halogen atoms which may be the same or different. The compounds are useful as intermediates in the production of certain fungicidal tertiary amine compounds.
Patent GB-2193548-A (GB)
Title: Device for positioning a bar on or removing it from a base
Inventor: CASTEL YVON
IPC: E21B43/017
Filed: 1987-06-26
Abstract: Device and method for positioning and removing a connector block 30 on/from a base 31. The device for the inclined positioning and removal of a connector block is particularly characterised in that it comprises suspension means 48, 49, vertical guiding means 32, 33, 34, means 43, 44, 45, 46 for locking the device in an oblique position, means 41, 42 for tilting the said device with respect to the said base 31. Used in particular in the production of petroleum effluents in an underwater environment. <IMAGE>
Patent GB-2210530-A (GB)
Title: T.V. camera with tilt/pan effect
Inventor: SEFTON ALAN KEITH
IPC: H04N5/225
Filed: 1987-09-28
Abstract: A scanning T.V. camera has a wide-angle lens 15 and incorporates a CCD sensor 14 in the focal plane of the lens. The sensor is mounted for movement in said focal plane under the action of an arm 20 which is accommodated within the dimensions of the camera and which is universally mounted at its proximal end 21 with its distal end 19 engaging said sensor. The sensor is carried in a PTFE bearing 16 which slidingly abuts a pane 17 of optically clear glass, and has a universal connection 18 to receive the distal end of said arm. Movements of the arm are produced by two electric motors 23, (24, Fig. 2) which are also accommodated within the dimensions of the camera and are arranged to pivot the arm about the X-axis and the Y-axis respectively. The arm is centrally mounted and is telescopic to accommodate change in length as the sensor is shifted towards and away from its central position. The camera is primarily intended for inspection of inaccessible areas, and transmits to a remote T.V. monitor. Preferably, encoders are coupled to the shafts of the motors to feed back positional information to the monitor. <IMAGE>
Patent GB-2212091-A (GB)
Title: Drilling equipment
Inventor: MCENERY JAMES
IPC: E21B10/38
Filed: 1987-11-12
Abstract: A percussion drill bit 10 has a cutting face 22 with cutting elements which may be in the form of buttons 20 (e.g. carbide material) or blades. The bit has a cylindrical body with helical flutes 32, which extend into a reduced diameter neck 30 disposed between face 22 and the cylindrical body. The bit 10 includes holes 28 extending therethrough to direct flushing medium (water) to the face 22 and a threaded socket for receiving threaded end of the drill rod. The bit 10 can be combined in a drill string with an extension body 12 and a rod connector 16, all of which have similar helical fluted surfaces. The body 12 has a threaded end received in the threaded socket of bit 10, and a threaded socket to receive therein a drill rod 14. The connector 16 has threaded sockets at its ends for receiving the rod 14 and a rod 18. The rods 14, 18, body 12 and bit 10 all have flushing passages therethrough. The angle of the helix defined by flutes 32 is between 20 DEG  and 30 DEG . <IMAGE>
Patent GB-2213379-A (GB)
Title: Improved smoke generator
Inventor: MURDOCH STUART
IPC: A01M13/00
Filed: 1987-12-11
Abstract: A portable smoke gun which has a central manifold casting, to which a heat exchanger, control valves and two pressurised non-refillable canisters are attached, one containing fuel gas the other containing smoke oil. The canisters are replaceable and their positions may not be exchanged. The heat exchanger is ventilated in such a way as to promote even heat transfer. The generator may be hand held or free standing during operation. <IMAGE>
Patent GB-2201660-A (GB)
Title: Cover roller for sports playing surface
Inventor: DOIG PATRICK LEICESTER
IPC: A63C19/12
Filed: 1988-03-04
Abstract: The invention provides a roller 2 for holding, rolling up, and unrolling, a flexible waterproof cover 15 for a sports playing surface. The roller is driven by driving means 5 at one or both ends and may be formed from one or more cylindrical segments such that total roller length is at least equal to the width of the cover 15. A shaft 4, of equal or greater length than the roller(s) is attached to connecting plates 10 which themselves are attached by spokes 12 to the roller. The outer surface of the roller may be formed by slats 7 mounted on spokes 8 and/or may be covered by a cushioning surface 9. <IMAGE>
Patent GB-2204339-A (GB)
Title: A ventilator for a roof structure and method of ventilating a roof structure
Inventor: GIBSON COLIN FREDERICK
IPC: E04D13/143
Filed: 1988-04-29
Abstract: A ventilator 110 for a roof structure 130 of the type which is arranged in abutment with a wall 128 and having first and second cladding materials 132, 136 which may be disposed in overlapping relationship with one another. The ventilator 110 comprising a spacing means 112, 114, 116 adapted to space the first and second cladding materials from the wall and adapted to space the first and second cladding materials from one another. <IMAGE>
Patent GB-2218009-A (GB)
Title: Fluid filter
Inventor: MARSHALL DENNIS ALBERT GEORG
IPC: B01D46/02
Filed: 1988-05-06
Abstract: A pre-filter (16) has a shape which corresponds to that of the upstream side of a main filter composed of filter elements (10), the pockets (14) of the pre-filter being received by V-shaped slots (12) formed between adjacent pairs of filter elements (10). Pre-filter (16) may be of woven material, and elements (10) may be of polyurethane foam or cells containing active carbon or may be pleated. <IMAGE>
Patent GB-2206419-A (GB)
Title: Colour recording material containing leuco dyes, and image-forming therewith
Inventor: WATANABE TOSHIYUKI
IPC: G03F7/00
Filed: 1988-05-31
Abstract: A support, is coated with a sensitive layer containing at least two leuco dyes each capable of forming, on contact with a developer, colors of different hue, and preferably forming yellow, magenta and cyan; the equilibrium constant of the reactions between the dyes and a developer (e.g. zinc 3.4-di-methylbenzene salicylate) are not lower than 0.05. They preferably contain a lactone ring. 
<??>The recording material may be sensitive to heat, light or pressure; the dye, e.g. in microcapsules, is brought into contact with developer in the same material or in a receiving material after exposure. 
<??>Multi-layer silver halide light-sensitive material is described. e.g. containing polymerizable compound and reducing agent, and it is developed simultaneously with or after imagewise exposure. Heat-sensitive material may contain an organic silver salt. 
<??>The material gives good images of uniform and stable color balance.
Patent GB-2213795-A (GB)
Title: Air bellows vehicle jacking beam
Inventor: NEWTON BRIAN
IPC: B66F7/08
Filed: 1988-07-04
Abstract: A jacking beam for use on four poster vehicle ramps or over pits in M.O.T. stations and garages incorporates rubber air bellows 'D' worked by push button valves 'B' to provide the lift using a normal garage air supply connected at 'C'. To ensure a oompletely smooth lift and that the beam 'L' remains horizontal, stability is controlled at each end by hinged support linkages 'F' working in conjunction with side arms, 'G', fitted with hardened steel rollers 'M', travelling in end slots 'K', the arms being welded to a rotatable shaft 'J'. Retractable spring loaded sheathed bearing wheels 'A' are fitted to jack support arms 'N' to facilitate ease of movement along the ramp by holding handle 'E'. <IMAGE>
Patent GB-2209965-A (GB)
Title: Compatible polymer blends
Inventor: SIOL WERNER
IPC: C08L25/16
Filed: 1988-09-16
Abstract: The invention relates to an article made from polymers which form compatible polymer blends of two polymer components, said polymer components comprising   (A) a polymer comprising at least 30% by weight of monomers of formula I,   <IMAGE> (wherein R1 represents hydrogen or methyl and R2 represents a hydrocarbon group with 1 - 18 carbon atoms); and (B) a polymer comprising at least 30% by weight of monomers of formula II   <IMAGE> (wherein R3 represents hydrogen, methyl or a group -CH2-X-CHR5R6, in which X represents a group   <IMAGE> whilst Z is oxygen or -NR4, Z' is oxygen or NR4, and R4 is hydrogen or a C1-12 alkyl group, -CHR5R6 represents an aliphatic or araliphatic hydrocarbon group with 5 to 24 carbon atoms> one of said polymers being present as a coating on the other polymer, or one of said polymers being present as a coating on a compatible polymer blend of  a) 0.1-99.9% by weight of a polymer A); and  b) 99.1-0.1% by weight of a polymer B).
Patent GB-2217036-A (GB)
Title: Saddle-toriod mirrors.
Inventor: ROSSER ROY JONATHAN
IPC: G03F7/20
Filed: 1989-03-13
Abstract: A mirror for use as a grazing incidence collimator comprises a section of a glass cylinder (10) having its internal surface coated with gold for optimum reflection of 1.0nm x-rays at a grazing incidence angle of 1.5 DEG . The section of cylinder (10) is bent to form a saddle toroid by means of equal but opposite couples applied at either end of the cylinder by fixed supports (20) and adjustable supports (30). In an alternative embodiment, a collimator comprises an array of microtoroids (140).
Patent GB-2232580-A (GB)
Title: Shoe cleaning device for a golf cart
Inventor: CONNOLLY BERYL BRENDA
IPC: A63B55/60
Filed: 1989-11-10
Abstract: Shoe cleaning surfaces (1, 2) having different surfaces for removing heavy and light dirt from golf shoes are movably mounted on a golf cart (10) by means of brackets (3) engaged to wheel supporting members (11) of the golf cart (10). When the golf cart (10) is being folded into a storage mode, the shoe cleaning surfaces (1, 2) are moved into close juxtaposition to the wheel supporting members (11) so that the surfaces (1, 2) do not interfere with the folding action of the golf cart (10). <IMAGE>
Patent GB-2226037-A (GB)
Title: Surface active agent composition; polymerisation process
Inventor: BAKER ALAN STUART
IPC: C08F2/32
Filed: 1990-02-09
Abstract: A composition comprises   (a) a water-insoluble, oil-soluble surface active agent of the formula (I> I X-Y-Z or a functional derivative thereof, wherein X- represents a saturated or unsaturated hydrocarbon chain containing from 30 to 500 carbon atoms, -Y- represents a succinic anhydride residue carried terminally upon the group X-, and -Z represents a hydrophilic group carried by the group -Y and the said agent is other than a branched polyester-polyethylene oxide compound prepared by reacting an alk(en)yl succinic anhydride with polyethylene oxide and (b) a surface active agent having a hydrophilic/tipophilic balance value of below 15 and selected from a sorbitan ester, an alkylene oxide condensate of a sorbitan ester and a salt of a dialkyl ester of sulpho succinic acid.   The compositions are used as emulsifying agent for producing a water-in-oil emulsion of a water-soluble (co)polymer of acrylamide or acrylic acid.
Patent GB-2241728-A (GB)
Title: Plastering hawk
Inventor: ELLIOTT THOMAS EDWARD
IPC: E04F21/06
Filed: 1990-03-07
Abstract: A plastering hawk comprising a mortar board (1) is provided on its underside with a slot of generally Vee-shaped outline adapted to receive the blade (5) of a pointing or like trowel (6). When the blade is wedged home and fully received in the slot, the handle (7) of the trowel can be utilised to form the handle of the hawk. <IMAGE>
Patent GB-2243004-A (GB)
Title: Automatic voltage regulator for permanent magnet excited high speed alternators
Inventor: JONES HAROLD HOSGOOD
IPC: H02P9/32
Filed: 1990-04-09
Abstract: An automatic voltage regulator for a permanent magnet excited alternator has a delta output winding (1) and a star control winding (2) with its windings connected by three opposed pairs of diodes (D1-D6) to three pairs of gate windings (6-11) on pairs of self-excited magnetic amplifiers (SR1-SR6). Six bias current windings (13) in series on these amplifiers are connected across the rectified output (4, 5) of the output winding (1). Six input error windings (14) in series on the amplifiers are connected across output (4, 5) through feedback transformer (T) to control the alternator feed strength so compensating for changes of load and rotation speed. <IMAGE>
Patent GB-2234156-A (GB)
Title: Anti-ballistic body armour
Inventor: MILLS CRAIG ANTONY
IPC: F41H5/04
Filed: 1990-06-08
Abstract: A trauma attenuation pack 1 for use in flexible body armour comprises a plastics panel 3 (eg. of polypropylene) having on at least one side thereof a layer 4, 5 of a ballistic fabric securely affixed to the panel. A ballistic projectile impacting on the flexible body armour causes deformation of the panel 3 as well as possible breakage of the fibres of the ballistic fabric resulting in absorption of energy thereby reducing the deformation (or bulging) on the side of the armour adjacent the body. The layers may be united by stitching, preferably in a spiral pattern or by spot bonding. <IMAGE>
Patent GB-2246259-A (GB)
Title: Optical sensor
Inventor: NADEN JAMES MARK
IPC: G01L9/00
Filed: 1990-07-18
Abstract: An interrogating light beam is sent (eg down an optical fibre 15) to a sensor 14 (eg an oscillating mirror) to provide an output which is dependant on a property being measured (eg pressure in a tube 13), and the beam also scans a bar code 19 at the sensor to modulate the output with data such as calibration information. A mirror 14 may be mounted on filaments the tension of which affected by a rod attached to a diaphragm 12. A detector 18 responds to pulses of light reflected by the mirror 14 to energise coils which deflect the mirror by means of an attached magnet thereby maintaining the oscillations of the mirror. The light returned from the bar code 19 is reflected by the mirror 14 back down the optical fibre 15. Alternatively the beam from the fibre 15 may be reflected by a fixed diffraction grating and scanned across the bar code and detector by varying the wavelength of the light. <IMAGE>
Patent GB-2235789-A (GB)
Title: Michelson interferometer
Inventor: DOWNS MICHAEL JOHN
IPC: G01B9/02
Filed: 1990-09-07
Abstract: A Michelson interferometer has a wedge-shaped beamsplitter (7) and compensator (9) plates of substantially identical wedge angle and thickness. The compensator plate is positioned to cancel out beam displacement and deviation introduced by the beamsplitter plate.
Patent GB-2237390-A (GB)
Title: Liquid microelectrode
Inventor: SCHIFFFFRIN DAVID JORGE
IPC: G01N27/30
Filed: 1990-10-22
Abstract: A liquid microelectrode comprises an insulator (eg glass) 1 having a microcavity 4 and an electrode 2 with active surface 6 communicating with liquid in the microcavity 4. The internal surfaces 5 of the microcavity can be hydrophobic, and the external surfaces of the insulator surrounding the mouth of the microcavity hydrophilic, in which case the microcavity is filled with organic liquid and in use the microelectrode is inserted into an aqueous liquid phase. Alternatively, the characteristics are reversed (eg internal surface 6-hydrophilic: external surface-hydrophobic), in which case the microcavity is filled with an aqueous liquid and in use the microelectrode is inserted into an organic liquid phase. In both cases a liquid-liquid interface is formed at the mouth of the microcavity. <IMAGE>
Patent GB-2250423-A (GB)
Title: Fryer filler apparatus
Inventor: MITCHELL DONALD
IPC: A47J37/12
Filed: 1990-11-01
Abstract: A fryer filler apparatus, which does away with continually manually refilling a fryer, uses fluid pressure pushing against a regulator float 4 and spring 9 situated over the vertical portion of the T bar plunger 8. As fluid pressure varies so to does the position of the regulator float thus causing a variation in the aperture between the regulator float and the bottom bolt bore giving a constant fluid flow. Adjustment of this flow is by the body housing adjuster 10 which moves the T bar plunger up or down. Intermittent fluid flow is achieved when the fryer float 14 stops the flow thus causing fluid level in the body housing adjuster to rise forcing the regulator float to stop the fluid container flow. The flow control mechanism screws onto the fluid container and is connected to a fryer via hose 12, tube 13, clamps 11, securing device 7. <IMAGE>
Patent GB-2255206-A (GB)
Title: Automatic calender
Inventor: MEYERS EDMOND W
IPC: G04G9/04
Filed: 1991-04-25
Abstract: A calendar display includes a calendar grid having an aperture corresponding to each day square, and an LED projecting outwardly through each aperture, the grid being adapted to receive calendar pads with holes corresponding to the LED locations. Clock circuits illuminate the LED corresponding to the correct data. The circuits include switch means for setting the correct time and data and timing means for updating the time and date to illuminate the correct light emitting diode (LED). The grid has at least five rows of seven spaces. <IMAGE>
Patent GB-2245995-A (GB)
Title: A control device for a tool drive unit
Inventor: MARUO SATOSHI
IPC: G05B19/416
Filed: 1991-05-16
Abstract: A tap or a drill is rotated and fed axially by servo motors 5, 8 according to a rotation (spindle) current command Is and a feed current command Iz. Commands are provided by a single microcomputer 20 in response to an NC program. In each of the rotation and feed servo loops, the actual position of the drive motor Fs, Fz, is compared with the commanded position Ps, Pz and the error used to generate a speed command signal Vs, Vz. The actual speed Vfs, Vfz is also compared with the commanded speed and the error used to generate the current command signal. Speed comparisons are made more frequently than position comparison and the whole is carried out by the microcomputer in time division multiplex. When drilling, the microcomputer outputs both the rotation command and a first feed shaft command for the feed shaft servo motor. When tapping, a thread pitch changing controller for controlling a thread pitch outputs a second feed shaft command for the feed shaft servo motor. A tool selector receives the first feed shaft command or the second feed shaft command and outputs a selected feed shaft command based on the tooling operation being performed. <IMAGE>
Patent GB-2250127-A (GB)
Title: Lid opening mechanism for tape cassette
Inventor: KIM YOON BAE
IPC: G11B15/665
Filed: 1991-08-09
Abstract: A lid opening mechanism for a tape cassette 1, comprises means 8 for partially opening the lid when the cassette is inserted and means 7 for completely opening the lid when the cassette moves into an operating position. <IMAGE>
Patent GB-2258657-A (GB)
Title: Friction materials for railway brake pads
Inventor: CLARK ERIC
IPC: F16D69/02
Filed: 1991-08-14
Abstract: Railway brake pads or blocks comprising a friction material which contains particulate material, fibre and binder. The binder makes up only 2% to 17% by volume of the material, and can be thermoset rubber or resin or mixtures thereof.
Patent GB-2246939-A (GB)
Title: Vegetation cutting devices
Inventor: SEWELL ANDREW
IPC: A01D34/63
Filed: 1991-08-15
Abstract: A vegetation cutting device, such as a lawnmower, has a fan for boosting the delivery of the cuttings to a collection chamber. Adjustable control means (17) are provided for varying the flow of air from the fan, the control means preferably varying the size of an inlet orifice (18) through which aid is sucked into the fan. Preferably the control is mounted for rotary movement and biased by a spring towards the open position. Preferably a cam and follower move the control member. <IMAGE>
Patent GB-2253975-A (GB)
Title: Processing images, sound or data encoded in error correcting code using Galois Field arithmetic
Inventor: LEE MAN-YOUNG
IPC: G11B20/18
Filed: 1991-08-29
Abstract: The invention relates to an operation method and apparatus over Galois Field GF(2<m/2>) using a subfield GF(2<m/2>). The operation apparatus comprises: a conversion means for converting the elements represented by a basis of GF(2<m>) into the elements represented by a basis of GF(2<m/2>); an operation means for performing an operation over GF(2<m/2>) with respect to the elements represented by the basis of CF(2<m/2>); and a reversion means for reverting the operated elements represented by the basis of GF(2<m/2>) to the elements represented by the basis of GF(2<m>), thereby performing high speed operation and simplifying circuit construction. In the example, m=8 and the operation is multiplication. Application is to compact disc or digital audio tape (DAT) recorders/reproducers and to transmitters/receivers for satellite communications networks.
Patent GB-2259450-A (GB)
Title: Compositions with endothelin antagonist activity
Inventor: MIYATA SUSUMU
IPC: A61K31/235
Filed: 1991-09-11
Abstract: Pharmaceutical compositions comprise as the active ingredient, WF12880A (also known as TAN 1415A or asterric acid) of formula:   <IMAGE>  and a carrier. WF12880A can be obtained by fermentation of a strain, such as Penicillium citreonigrum F-12880, in a nutrient medium. Composition has activity as a vasodilator for hypertension, heart disease, Raynaud's disease, cerebral stroke, asthma or renal failure.
Patent GB-917335-A (GB)
IPC: A63C5/025
Abstract: 917,335. Skis. RENATO, S. May 4, 1961 [May 6, 1960], No. 16232/61. Class 132 (1). A ski which is substantially shorter than the conventional ski has a bottom surface with different cross-sections which change continuously from one end of the ski to the other to provide good stability and track holding on any kind of snow and to allow very high speeds and to minimize accident hazards. The bottom surface of the ski changes from a flat surface forwardly to a concave surface passing through an intermediate portion which has a flat surface on each side of a concave surface. The ski has side extensions or flaps 6, the thickness of which increases towards the rear of the ski if made integral with the ski or if secured thereto are inclined towards the rear. The bottom edges of the ski may be laminated with metal plates shaped to conform to the surface of the ski. The ski has a length of 2¢ to 3 feet.
Patent GB-2259940-A (GB)
Title: Slide fastener
Inventor: SCHLACK RICHARD E
IPC: E05B13/10
Filed: 1992-07-08
Abstract: A slide fastener secures a door of an electrical cabinet to the cabinet frame. The slide fastener releaseably retains the door against the frame when the door and the frame are latched together. The slide fastener includes a door assembly 10 secured to the door and keepers 98 attached to the frame. The door assembly includes a lever assembly 50 and a slide assembly 80. The lever assembly is rotatable between an open position and a closed position and engages and slides the slide assembly so that locking elements 94 on the slide assembly engage beneath keepers 98. <IMAGE>
Patent GB-2269693-A (GB)
Title: Traffic monitoring
Inventor: GEBERT RUEDIGER HEINZ
IPC: G01P3/68
Filed: 1992-08-11
Abstract: Traffic monitoring by light beams is made more reliable by use of two pairs of beams 1 - 4 and receivers which are staggered with respect to each other both horizontally and vertically. Each divergent beam has a pulse modulated "signature" to enable discrimination between received beams. <IMAGE>