baber/WOPTO huggingface dataset:
Patent GB-2164935-A (GB)
Title: A process for the separation of mixtures of methyl esters of meta and para cresol
Inventor: MILLINGTON JAMES PETER
IPC: C07C41/44
Filed: 1984-09-28
Abstract: A method of separating 3-methoxy toluene from a mixture of 3-methoxy toluene and 4-methoxy toluene comprises oxidising 4-methoxy toluene to 4-methoxy benzaldehyde using manganese dioxide and thereafter separating the 3-methoxy toluene from the resulting 4-methoxy benzaldehyde. The oxidation is preferably carried out in a stirred reaction vessel at a temperature of 45 DEG  to 55 DEG C with a suspension of manganese dioxide in a solution of dilute sulphuric acid. The manganese dioxide is desirably prepared by oxidising a manganous salt in an electrochemical cell, preferably a cell as described in European Patent Specification No. 0 064 417.
Patent GB-2150865-A (GB)
Title: Manufacturing cooking vessel with heater element and heat sink
Inventor: MCCLEAN JOHN WILLIAM
IPC: A47J37/10
Filed: 1984-11-14
Abstract: A heater element 15 and an aluminium heat sink 22 are incorporated in the base 12 of a cast iron cooking vessel by the steps of:-   1. Forming the vessel by casting from iron to provide a cavity on the underside of the bottom of the vessel; 2. Securing the element 15 in the cavity in contact with the underside of the bottom of the vessel by mechanical means such as saddle clamps 16 screwed to bosses 14 cast in the underside of the vessel;   3. Spraying the vessel with porcelain frit; 4. Placing the vessel in an oven at about 800 DEG C to liquefy the frit and thereafter allowing the temperature to fall to about 700 DEG C; 5. Placing a nitrided steel die 21 with a bell-mouthed funnel preheated to about 700 DEG C on top of the cavity to leave a gap between the die and the underside of the vessel; 6. Pouring molten aluminium 22 through said funnel to fill the space between the die and the vessel; and   7. Removing the die when the vessel has cooled sufficiently.   <IMAGE>
Patent GB-2166975-A (GB)
Title: Optical fibres
Inventor: BYRON KEVIN CHRISTOPHER
IPC: C03C25/106
Filed: 1984-11-16
Abstract: In order to achieve curing of u.v. curable primary coating material applied to an optical fibre, such as directly after pulling from a preform, the output from a u.v. laser is directed axially into the preform and stripped from the fibre at the point of application of the primary coating material, which stripped radiation thus causes curing.
Patent GB-2171508-A (GB)
Title: Apparatus for sensing movement
Inventor: BENNISON ROGER
IPC: G01B11/02
Filed: 1984-12-18
Abstract: A measuring tape is provided with a sensor (66) for detecting movement of the tape (55) into and out of a housing (53) and for indicating the total movement. A light source (46) transmits a beam on a scale on the surface (31) of the tape and light sensors (2, 8, 9) detect the light reflected from the surface (31) and the output of the sensors is used to derive the total tape movement. The output is applied to a micro- computer (70) which processes the output to energise a visual display (57) indicating tape movement. The indication may be in metric or imperial units, and the micro-computer also includes a calculating facility to enable a user to perform calculations which may be based upon a movement of the tap. <IMAGE>
Patent GB-2175349-A (GB)
Title: A cross flow fan
Inventor: MOORE ALFRED EDWARD
IPC: F04D17/04
Filed: 1985-05-15
Abstract: A cross flow fan (2) comprising a housing (4), a cylindrical bladed rotor (6) supported for rotation in the housing (4), an air inlet (24) in the housing, an air outlet (26) in the housing, and ducting (52,54) for controlling the path of air through the fan, the ducting being flat and straight sided. <IMAGE>
Patent GB-2163709-A (GB)
Title: Pneumatic radial tyre breaker belts
Inventor: MORIKAWA TUNEO
IPC: B60C9/18
Filed: 1985-06-25
Abstract: In a pneumatic radial tyre, a breaker belt has a layer of aromatic polyamide fiber cords, which is folded at both edge portions and in which the cords have an angle  theta  of final twist within a range of 31.3 to 39.3 DEG  measured with respect to the axes of the cords. <IMAGE>
Patent GB-2181993-A (GB)
Title: Method and means for preventing counterfeiting of documents
Inventor: WOLCOUGH GREGORY
IPC: B42D15/10
Filed: 1985-10-31
Abstract: Authentication of documents is achieved by securing over at least part of the document, a hologram which is difficult or impossible to photo-copy and which cannot be removed without damage. A clear plastics label (12) is firmly secured, by an adhesive layer, over the area (11) of a cheque (10) where the monetary value of the cheque has been written in figures. The label incorporates emulsion layers (14) which carry a hologram, and the cheque is marked (at 17) to show that holographic authentication is required. <IMAGE>
Patent GB-2191741-A (GB)
Title: Adjustable trailer wheel suspensions
Inventor: CLAY BRIAN WILLIAM
IPC: B60G17/052
Filed: 1986-05-22
Abstract: A trailer unit (12, Fig. 1) adapted for towing behind a tractor (10), has transverse axles 40,42 mounted on trailing arms 32,34 on a subframe 24 pivoted at one end on the trailer chassis 22. Inflatable air-springs 36,38 provide for trailer height adjustment and air-springs 44,46, mechanical jacks or hydraulic rams, between the subframe and chassis, provide for additional height adjustment or lifting of rear wheels (20, Fig. 1) from the ground if the subframe pivot 26 is at its rear rather than front end. A valve (52, Figs. 1 and 4) may control both sets of air-springs and operate the vehicle braking system when the springs are inflated. <IMAGE>
Patent GB-2176773-A (GB)
Title: Abrasion resistant refractory castable composition
Inventor: KLEEB THOMAS R
IPC: C04B28/06
Filed: 1986-06-23
Abstract: A refractory composition characterized by relatively high abrasion resistance, good flowability and long working time, comprises 0.5 to 5% by weight of volatilized silica, 3.0 and 15% by weight of -65 mesh alumna, and 10 to 40% by weight of calcium aluminate cement, the balance being a refractory agreggate such as silica, alumina or fireclay. The composition may be used in lining transfer lines employed in petrochemical processes.
Patent GB-2193297-A (GB)
Title: Solenoid valve
Inventor: TAULBOT RICHARD JOHN
IPC: F16K31/06
Filed: 1986-07-29
Abstract: A solenoid valve has a valve body (12,13) which defines a chamber (16) with coaxial ports (19 and 20), one port at each end of the chamber. A valve spindle (28) is mounted coaxially of ports (19 and 20) and has a pair of valve members (30) each adapted to seat against and close one of the ports (19 and 20). Valve members (30) are arranged such that in a first position of the spindle (28), port (19) will be closed while port (20) remains open; and in a second position, port (20) will be closed while port (19) remains open. Spring means (42) is provided to urge the spindle (28) towards the first position while a solenoid (44) is provided to selectively urge the spindle (28) towards the second position. The chamber (16) is divided into two compartments (37 and 38) by means of a diaphragm (31) which is mounted between the spindle (28) intermediate of valve members (30) and the valve body (12,13) and separate passages (47 and 48) are provided to each of the compartments (37 and 38). <IMAGE>
Patent GB-2183401-A (GB)
Title: Switch assembly
Inventor: MORSE MILTON
IPC: H01H13/702
Filed: 1986-11-21
Abstract: A watertight and vandal resistant electrical switch assembly includes a base plate 3 supporting three insulating layers,the top and bottom layers 33 and 23 of which have aligned electrical contacts 44,29 thereon and the intermediate layer 31 of which has apertures aligned with the contacts 44,29. A membrane 16 has a rim 35 for supporting and sealing the layered switch mechanism and has thickened push-buttons 20 overlying the switch contacts. Each thickened push-button 20 is spaced from the remainder of the membrane 16 via a frusto-conical portion 1 which gives the button a sufficient "feel" or resistance when depressed. Each push button 20 is provided with a rigid cap 24 which projects through an aperture 25 in a rigid plate 22. The flexible top layer 33 of the switching mechanism is provided with an integral cable portion. Air passages are provided in the switching mechanism to prevent the build up of air pressure. <IMAGE>
Patent GB-2198203-A (GB)
Title: Breaking flanged joints
Inventor: LANDMAN MICHAEL JOHANNES
IPC: B25B27/16
Filed: 1986-12-02
Abstract: The invention provides apparatus 10 for displacing the juxtaposed ends of pipes 12, 14 towards or away from one another e.g. for replacing a gasket 18A; the apparatus 10 comprises a first gripping member 22 engageable with a first pipe 12; a second gripping member 24 engageable with a second pipe 14; a first and second clamping means by chains 30 for clamping the first and second pipes 12, 14 to the first and second gripping members e.g. pivoted jaw blocks 22, 24 respectively; a guide means e.g. piston 38/cylinder 36 for permitting movement of the gripping members towards and away from one another in a guided manner; and a displacing means e.g. turn buckle 44 for displacing the gripping members 22, 24 towards and away from one another. <IMAGE>
Patent GB-2200837-A (GB)
Title: Headboard for a bed
Inventor: NEAL KEITH EDWARD
IPC: A47C19/02
Filed: 1987-02-11
Abstract: A bed headboard includes an aperture 14 in which a picture or display can be removably mounted, for example for decorative purposes and so that the picture or display can be changed at will. <IMAGE>
Patent GB-2186869-A (GB)
Title: Shive for beer kegs
Inventor: TATNELL IVAN SIDNEY
IPC: B65D47/10
Filed: 1987-02-24
Abstract: A plastics shive for a beer keg or the like comprises a hollow, substantially cylindrical body (1,3) with an integral wall (2) closing one end. A circumferential shoulder (4) on the outer cylindrical wall is deformable to effect sealing when the shive is plugged in an aperture in the keg. A dependant skirt portion (3) of the cylindrical body extends between said shoulder and the open end. A central portion of the end wall defines a cylindrical cavity (7) coaxial with the cylindrical body and closed at its inner end by a wall (8) which is rupturable by an extracting tool. Symmetrically arranged reinforcing webs (9) extend radially between the wall of the cylindrical cavity and the inner wall of the cylindrical body, so as to transmit to the cylindrical wall an extractive force applied to the end wall. <IMAGE>
Patent GB-2187623-A (GB)
Title: Soil cultivating implement with adjustable screen
Inventor: LELY CORNELIS VAN DER
IPC: A01B49/00
Filed: 1987-03-30
Abstract: A soil cultivating implement comprising a row of power-driven rotary soil working members 7 that extends substantially horizontally perpendicular to the intended direction of operative travel A of the implement has a spring-loaded 36 screen 28, 29 which protects upper tine-carriers 8 of the members 7 by deflecting stones met with during travel in the direction A. The carrier 28, 29 is upwardly and downwardly adjustable, in position, to suit operating conditions, using levers 24 turnable about pivots 23 located above a hollow frame portion 5 of the implement. The levers 24 are pivotted at 26 to arms 27 and can be turned to raise or lower the screen 28, 29 via those arms 27, the latter carrying brackets 30 which slide against stop brackets 31 mounted at the front of the frame portion 5. In an alternative construction (Figure 6), the stop brackets carry rollers (42) to co-operate with the brackets on the arms 27. In both embodiments, locking pins 33 co-operate with chosen holes 34 to maintain the levers 24 at appropriate angular positions about their pivots 23. <IMAGE>
Patent GB-2191844-A (GB)
Title: Assemblies of springs of composite material
Inventor: WILCOX LESTER THOMAS
IPC: F16F1/18
Filed: 1986-02-19
Abstract: A leaf spring assembly with first (10, 110, 210) and second (9, 109, 209) leaves of composite, fibre reinforced plastics, material, the first leaf having an end portion (11, 111, 211) defining a transverse recess and which is held between upper and lower members (12, 112, 212; 13, 113, 213) secured together to hold them to the leaf. One of the members has an abutment (24, 124, 224) to be engaged by the second spring leaf.
Patent GB-2200519-A (GB)
Title: Programming of broadcast receiving devices using linked teletext pages
Inventor: CHAMBERS JOHN PHILIP
IPC: H04N7/087
Filed: 1987-12-07
Abstract: Teletext signals sent by a telephone transmitter (10) include teletext data and auxiliary video programming system data. For programming the receiver to record on a recorder (16) the VPS data comprises a page displaying programme items and a linked page which stores corresponding labelling information. When the user views a programme page decoded by the decoder (12) and stored in a memory (24) on a display (18) he can select a displayed item using a remote control keyboard (20). The corresponding labelling information is then extracted by a controller (14) from the linked page in the memory (24) and added to a stored list of selected items. Labelling information accompanying broadcast programmes is compared by the controller (14) with labelling information in the stored list. When a match occurs, the recorder (16) is switched on to record the programme.
Patent GB-2219772-A (GB)
Title: Energy-absorbing steering column
Inventor: ITO NOBUYOSHI
IPC: F16F7/00
Filed: 1988-08-25
Abstract: A distance bracket 33 is secured to the column 6 and a bracket 21 fixes the distance bracket to a vehicle 10. An energy-absorbing plate 30 provided between a fastening bolt 23 inserted in the distance bracket and the column is controlled during deformation by a guide member 30 secured to the column which contains the U-shaped plate portion 32 as the column moves. The plate portion 30c which is deformed has a width (b, Fig. 1) which reduces in a direction from the end 30b welded to the column towards the portion 32. <IMAGE>
Patent GB-2208622-A (GB)
Title: Tool usable in the production of an easily openable tightly sealed bag
Inventor: KAI HISAO
IPC: B65D75/12
Filed: 1988-09-21
Abstract: The tool has an array of fine protrusions 10 raised from a surface 9. Each protrusion has a cutting edge 22. The surface 9 may be the circumferential surface of a roller. When pressed into the edge portion of a film it forms a multiplicity of small cuts, which when the film is sealed along edge portions to form a bag, permit the edge to be easily opened by tearing. The protrusions may be formed by cutting into the surface 9 and raising triangular portions 12 leaving indentations 11. <IMAGE>
Patent GB-2212872-A (GB)
Title: Anti-lock brake system
Inventor: BUDECKER LUDWIG
IPC: B60T17/02
Filed: 1988-11-15
Abstract: In an anti-lock brake system, wherein the pressure applied to the wheel brakes (7,8,9,10) can be decreased by discharging pressure fluid via return lines (13,14) a pump (23) is provided whose suction chambers (17,18) communicate via suction lines (20,21) with a reservoir (2). The return lines (13,14) also are connected to the suction chambers (17,18). 
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Patent GB-2213478-A (GB)
Title: Chlorination and bromination of aromatic or heterocyclic compounds
Inventor: BUTTERS R MICHAEL
IPC: C07C17/12
Filed: 1988-12-08
Abstract: A process for the chlorination or bromination of an aromatic or heterocyclic compound comprises reacting the aromatic or heterocyclic compound with chlorine or bromine in the presence of a gallium catalyst. The effective conversion of the halogen is high and in the case of an alkyl aromatic compound the extent of nuclear halogenation is high and side chain halogenation is low.
Patent GB-2216985-A (GB)
Title: A piston ring arrangement for an internal combustion engine
Inventor: LAUGENIO JOSE MILTON MAGRI
IPC: F02F5/00
Filed: 1989-03-01
Abstract: An oil and compression piston ring assembly for internal combustion engines features a pair of rails 10 located in the same ring groove of a piston, the rails are separated by an intermediate compression ring 20 with at least a portion of it peripheral surface 23 contactable with a cylinder wall C of an engine. The pair of rails are urged radially outwards against the cylinder wall by a bridging spring element 30 located inside the ring groove CA. This construction arrangement makes it possible to use pistons having only two ring grooves, so the pair of rails act like an oil ring, while the intermediate separator ring acts in oil control as in blow-by. <IMAGE>
Patent GB-2219068-A (GB)
Title: Lighting unit
Inventor: GANESHMOORTHY RICHARD
IPC: F21V11/02
Filed: 1989-05-22
Abstract: A lighting unit includes a luminaire 12 comprising a stack of substantially identical hollow generally frustro-conical opaque elements 14 mounted so that each is downwardly, outwardly flaring with one above another and with the uppermost edge of each element at or above the level of the lowermost edge of the next such element. The uppermost edge of each frustro-conical element is said to be located within the lowermost part of the element next thereabove and the wider end of each such element may have a rim 20 extending substantially horizontally. The elements of the luminaire are separable and are held spaced apart supported on a body member by a rods 22 to which each element is attached and which are themselves are releasably attached to the body member. <IMAGE>
Patent GB-2219764-A (GB)
Title: Production of tubular articles and apparatus therefor
Inventor: WILLIAMS GEOFFREY ERNEST
IPC: B31B50/58
Filed: 1989-05-23
Abstract: Sheets (24) (e.g. of sponge cake) are placed end-to-end on a conveyor belt (10) which passes through a tubular former (20)50 that it and the sheets are rolled up, the lateral sides of each sheet being butted together. The sheets may receive a filling (e.g. ice cream) as rolling commences. After the former (20), the belt flattens out again but the items remain as filled tubes, the cake adhering to the ice cream. Other applications of the apparatus are to sausage rolls, shaping plastic sheet, or for shaping a cone of mouldable material. <IMAGE>
Patent GB-2224665-A (GB)
Title: Magnetic projectile/target game
Inventor: LECKENBY ANDREW STANLEY
IPC: A63F9/02
Filed: 1989-11-15
Abstract: Apparatus for playing a throwing game includes game elements to be thrown at a target and magnetic retaining means for the game elements to enable them to be retained at least for a short time on the target to determine the score. The game elements may be in the form of thin plastic shapes comprising strontium ferrite and having a weight per unit area of from 0.1 to 1.0 per square centimetre.
Patent GB-2227237-A (GB)
Title: Conveying sheets
Inventor: BLASER PETER THEOBALD
IPC: B65H3/08
Filed: 1990-01-03
Abstract: The uppermost sheet (1) of a pile of sheets (3) is moved by a defined displacement (dx) in the sheet-conveying direction (x) by successive energisation of linearly disposed suction-air openings (6) on a conveying bar (5), such that a wave crest runs through the sheet (1) from the rear edge (2) of the sheet. The openings (6) are arranged centrally of the bar and communicate with a cylindrical base. A sleeve (8) with a helical slot, rotates in the bore and thus ensures the periodic energisation. Lines of openings (7) on each side of the openings (6) are similarly connected to a pressure source to release the sheet. …<IMAGE>…
Patent GB-2248692-A (GB)
Title: Detecting localised magnetic field changes
Inventor: BAGSHAW JOHN M
IPC: G01V3/08
Filed: 1990-10-09
Abstract: A magnetic anomaly detector arrangement for detecting the presence of a localised disturbance or anomaly in magnetic flux within an area due the presence of a strong permanent magnet comprises a plurality of magnetic flux sensors 10 distributed over the area and means 3 to determine from the sensor output signals if a magnetic anomaly is present or not. The area of interest may comprise the underside of a motor vehicle, the anomaly being due to the presence of a car bomb attached to the underside of the car by means of a permanent magnet. The arrangement distinguishes between local anomalies and overall changes in the magnetic environment affecting all sensors. <IMAGE>
Patent GB-2251579-A (GB)
Title: Greetings card
Inventor: HARDING-HUBER ANTHONY JOHN ALB
IPC: B42D15/04
Filed: 1991-01-14
Abstract: To allow customer choice in the combination of interior written greeting (12B) and frontal decorative matter (12A), cards are provided as a range of separate leaves (10A, 10B) for connection at point of sale or subsequently. Preferably one of the leaves (10A) has a preformed fold line (14) beyond which is an extension strip (16) bearing adhesive (18). To effect connection to a selected second leaf (10B), a barrier strip (20) is removed from the adhesive (18), e.g. by tab (22), and the extension strip (16) is secured along an edge margin of the second leaf (10B), along with or prior to folding at line (14). Apparatus with a hinged extension (36) may be provided to facilitate alignment of the two selected leaves (10A, 10B) and their securement by folding over along line (14). <IMAGE>
Patent GB-2242508-A (GB)
Title: Caravan water heater
Inventor: KAY ARTHUR SELWYN
IPC: F24H1/12
Filed: 1991-03-07
Abstract: A gas-fired water heater for a caravan comprises a gas/air mixing tube 14 and a heat exchanger 17 with a pre-mix burner element 19, preferably a perforated ceramic burner adapted to produce a short flame, disposed therebetween. The gas burner input is preferably of the order of 8 kilowatts. A fan-powered exhaust 20 is associated with the water heater for extraction of combustion products and exhaustion thereof outside of the caravan via a multi-directional flue. <IMAGE>
Patent GB-2244601-A (GB)
Title: Electrical circuit board assemblies
Inventor: TRUSSLER GEOFFREY ARNOLD
IPC: H05K3/00
Filed: 1991-03-11
Abstract: An electrical circuit board 1 supporting surface-mounted components 2 is mounted on a heat conducting plate 20 of aluminium. The board 1 is mounted on the plate 20 by male and female threaded bolts 8 and 9 which extend through apertures 3 and 13 in the board 1 and plate 20. The diameter of the bolts is less than that of the apertures 3 in the board 1 to allow for limited movement of the plate relative to the board. A layer 30 of a perfluorenated polyether and PTFE grease, or a gel, is placed between the board 1 and plate 20 to improve heat conduction to the plate. A thin film of plastics may be interposed between the board and the layer 30 of grease. <IMAGE>
Patent GB-2253789-A (GB)
Title: A sphygmomanometer cuff
Inventor: CULLERT LARS
IPC: A61B5/022
Filed: 1991-03-21
Abstract: A sphygmomanometer cuff (1) intended to be placed around the upper arm or the thigh of a patient for the purpose of measuring the blood pressure of a patient independently of the circumference of the patient's limb at the measuring location is provided along one long side of the cuff (1) with a scale (3) and an indicator (5) in a manner such that when the cuff is applied, the indicator (5) will be located somewhere along the scale (3), depending on the circumference of the limb and the scale gives a correction factor Xn, wherein n is a numeric value of the limb circumference. <IMAGE>
Patent GB-2244471-A (GB)
Title: Vehicle jacking system
Inventor: ORTIZ DE AGUSTIN JOSE ANTONIO
IPC: B60S9/22
Filed: 1991-05-31
Abstract: Vehicle jacking system comprises one or more jacks integrated into the vehicle's structure, as by attachment to axles. The jacks may be operated by means of mechanical, hydraulic or pneumatic power and the latter may be produced by electric motor means, independent from the vehicle's own engine, or directly from the vehicle engine. A common pressure circuit may be employed where appropriate. Manual operation by means of a crank handle or the like is retained for emergencies where the engine or electric power cannot be used. <IMAGE>