baber/WOPTO huggingface dataset:
Patent GB-2185741-A (GB)
Title: N-phenyl sulphonamides
Inventor: MUSSER JOHN HENRY
IPC: C07D333/56
Filed: 1986-12-24
Abstract: Novel compounds of the formula   <IMAGE>  when n = 1, and the dotted line represents an optional double bond;   <IMAGE>      n is 0 or 1; each R<1> is independently hydrogen, lower alkyl, lower alkoxy, lower alkanoyl, halo, trifluoromethyl, cyano or nitro;      R<2> is hydrogen or lower alkyl; R<3> is lower alkyl, perfluoroloweralkyl or perfluorophenyl, with the proviso that when n = 0, R<3> is other than lower alkyl; each R<4> is independently hydrogen or lower alkyl; and the pharmaceutically acceptable salts thereof, are useful in the treatment of leukotriene-mediated naso-bronchial obstructive airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like, and in antithrombotic therapy.
Patent GB-2201058-A (GB)
Title: MOSFET protection circult
Inventor: BRON MICHEL
IPC: H03K17/0814
Filed: 1987-02-07
Abstract: A MOSFET transistor protection circuit comprising a first MOSFET transistor (2) having drain and source electrodes coupled between a first node (5) for receiving a supply voltage and a second node for receiving a datum voltage; and a second MOSFET transistor (4) of the same channel type as the first transistor having its current electrodes connected in series between the first node and the first transistor and having its gate electrode coupled to a third node (14) for receiving a protection voltage (Vprot); and means (6, 8, 10) for generating the protection voltage at a level between predetermined first and second values such that the first transistor is protected against BVDSS breakdown, characterized in that the protection voltage generating means comprises: a third MOSFET transistor (10) arranged to receive a protection voltage; and means (6, 8) for monitoring base-channel leakage current produced in the third transistor due to BVDSS breakdown and for varying the protection voltage accordingly so as to reduce the monitored current. The protection voltage (Vprot) is generated by simple circuitry, is self adjusting and has no DC consumption. <IMAGE>
Patent GB-2204703-A (GB)
Title: Microwave radiation detector
Inventor: MCDONNELL DAMIEN GERARD
IPC: G01R29/08
Filed: 1987-04-09
Abstract: A microwave radiation detector includes two thermistors (14, 16), an electronic detector circuit (18) and a LED bar-graph display (20). One thermistor (14) is coated with a conducting layer (24) formed from a liquid suspension of colloidal graphite. A radiation-induced rise in temperature of this layer causes a difference in resistance between the two thermistors (14, 16) which is detected by circuit (18). Display (20) indicates the radiation intensity. An alternative to the display (20) would be an LED alarm circuit (50) (Fig 4 not shown). <IMAGE>
Patent GB-2196411-A (GB)
Title: Actuator
Inventor: MCGUINNESS THOMAS GERARD
IPC: F02B3/06
Filed: 1987-10-13
Abstract: An actuator 1 for controlled shutting down of a diesel engine or the like comprises an actuator rod 2 which extends through a housing 3 and is movable from a retracted inactive position to an extended actuated position. The rod 2 carries a piston 15 and the movement of the piston 15 is controlled by a coil spring 5 mounted on one side of the piston 15 and retarding hydraulic fluid on the other side of the piston 15. The pressure of the retarding hydraulic fluid is controlled by a restrictor valve 30. A solenoid 35 having a plunger 11 is engageable with an abutment 10 on the rod 2 to retain the rod in a normally retracted inactive position. In the event of an engine failure or other fault occurring a signal is sent to the solenoid 35 to retract the plunger 11 and allow the piston 15 to move towards the actuating position under the biassing of the spring 5 and at a speed determined by the pressure of the retarding hydraulic fluid. <IMAGE>
Patent GB-2201971-A (GB)
Title: Apparatus for preheating and/or annealing a wire-like metallic billet stock
Inventor: HORNDLER GEORG
IPC: C21D9/62
Filed: 1987-12-14
Abstract: Apparatus for preheating and/or annealing a wire-like metallic billet stock (D), is provided including a series of rotatable spaced apart rollers (KR1, UR2, KR3, KR4, KR5, AR6) around each of which the stock (D) can be passed, in contact therewith and with a reverse in travel direction of the stock, for direct resistance heating of the stock via at least some of the rollers (KR3, KR4, KR5) in the series to which electric current is suppliable, wherein at least two of the rollers (KR1,3 or 5) or (UR2, KR4 or AR6) have individual drive means (8) each having a drive shaft (21,22), with the two drive shafts, and hence the rollers carried thereby, being disposed obliquely relative to each other at an angle of  alpha 1 +  alpha 2, and the drive means including means for varying the peripheral rotational speeds of the driven rollers to adjust each driven roller peripheral speed automatically to the relevant contacting billet stock speed thereby to minimise slip between the roller and contacting stock, for example by torque adjustment. <IMAGE>
Patent GB-2214797-A (GB)
Title: Desk
Inventor: HOWARD BEVERLEY WILLIAM
IPC: A47B21/00
Filed: 1988-02-15
Abstract: An office desk is characterised by a wire management conduit 16 which runs along the long back edge 15 of the desk on top of the working surface 10 of the desk. The conduit top slopes down to a front edge 19 defined by a downward brush 20 curtain through which wires may extend into a longitudinally extending cavity 60, Fig 2 for the wires. The conduit may carry power 17 and data 18 sockets. <IMAGE>
Patent GB-2203530-A (GB)
Title: Shut-off damper
Inventor: MAGILL ROBERT JOHN
IPC: F24F13/15
Filed: 1988-03-31
Abstract: A hollow aerofoil section blade for use in a shut-off damper comprises two elongate strips (10, 12) of bowed or curved section which form the outer skin of the blade, the blade having an internal metal reinforcement (18) composed of two identical channel-section members (20, 22) which are spot-welded, rivetted or otherwise connected together over their opposed mating portions (24, 26) so that bending and twisting of the blade during use is reduced to a minimum. <IMAGE>
Patent GB-2219146-A (GB)
Title: Improvements in explosion-proof cable glands
Inventor: WALES ALAN CHARLES DURWARD
IPC: H02G15/04
Filed: 1988-04-13
Abstract: An explosion-proof cable gland assembly comprises a body (14) threadedly received in a hole (10) in the wall (12) of a housing. An outer sleeve (16) is threadedly received on the body to clamp an exposed armour wire (44) between the two, preferably using a wedge (53) chosen from a set of wedges of different dimensions. A compression ring (18) clamps a sealing ring (36) to a cable passing through the gland. The number of threads of the body engaged in the wall and those engaging the outer sleeve with the body is at least five in both cases. While the inside of the housing is in communication with the threads the risk of explosion is avoided by the tortuous paths through the threads. <IMAGE>
Patent GB-2209162-A (GB)
Title: Intermediates for substituted 1,3,4,9-tetrahydropyrano [3,4-b cids
Inventor: SHAW CHIA-CHENG
IPC: C07D209/12
Filed: 1988-08-02
Abstract: A novel process is described for the production of substituted 1,3,4,9-tetrahydropyrano[3,4-b-]indole-1-acetic acids having useful analgesic and anti-inflammatory activity and having the formula (I) <CHEM> wherein R<1> is lower alkyl, R<4> and R<5> are hydrogen, lower alkyl or halogen and R<2> is hydrogen, 4-halogen 2,4-dihalo, 3-trifluoromethyl or 4-methoxy via the intermediate of formula <CHEM> v
Patent GB-2218213-A (GB)
Title: Remotely calibratable instrument system
Inventor: MALTBY FREDERICK L
IPC: G01D18/00
Filed: 1989-05-12
Abstract: A two-wire, admittance-responsive instrument system comprises a transmitter 16, receiver 22 and calibrator 26 connected by a two-wire transmission line. The calibrator 26 repetitively transmits a calibration enabling signal causing the transmitter to increment a reference admittance for comparison to a sensed admittance corresponding to a known physical condition, e.g. the level of a granular material. The calibrator monitors the bistable output signals transmitted by the transmitter in the calibration mode, which changes state when the incremented reference admittance bears a predetermined relationship to the sensed admittance. The calibrator may then transmit additional calibration enabling signals causing preload to be established for transmitter operation. <IMAGE>
Patent GB-2235514-A (GB)
Title: Clutch assembly
Inventor: PILLING ROGER
IPC: G11B15/44
Filed: 1989-09-01
Abstract: A clutch or drive assembly for a sheet dispensing machine comprises a drive wheel (1) secured to a shaft (4) rotatably mounted to a support (8). Two output wheels (2) are provided each of which is braked by a separate brake block (12). Two solenoids (17) are coupled with the support (8) and move the support under operator control so as to cause the drive wheel (1) to engage fictionally a selected output wheel (2) whereby movement of the support (8) releases the brake block (12) associated with the selected output wheel. <IMAGE>
Patent GB-2230065-A (GB)
Title: Electro-hydraulic brake servo
Inventor: SIEGEL HEINZ
IPC: B60T8/44
Filed: 1989-12-19
Abstract: In a braking system having a master brake cylinder in the form of an electro-hydraulic booster R, a piston rod (3) acts on a master cylinder piston (8), which defines a brake chamber (27) and a servo chamber (12), which is connected by way of a control element (62) to a servo fluid supply. This control element (62) is controlled by signals derived from a piston rod travel sensor (49) and from a travel sensor (50) of the master cylinder piston (8). Signals are generated in dependence upon the rod travel, its first and, possibly, second derivation with respect to time, which desired values are intended to move the master cylinder piston (8) in accordance with the braking behaviour of the driver. Furthermore, the back-coupling of the brake pressure onto the piston rod (3) is derived from the piston red sensor (50) and is converted so that the driver can apply pressure slowly and deliberately without a reactive effect, but, on the other hand, rapid braking produces immediate back-coupling to the driver's foot. 
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Patent GB-2228299-A (GB)
Title: A control device for a coupling means such as a clutch
Inventor: BERTIN PATRICE
IPC: F16D65/28
Filed: 1990-01-17
Abstract: The control device comprises a motor (11) and, coupled to the output shaft (12) of the latter, a continuously acting retarding means (14) arranged in a housing (15) which is intersected by the output shaft (12) through an opening (16), and which is mounted so as to float radially in a cavity (17) provided in a casing (10). The housing is resiliently mounted in the cavity, so as to avoid noisy movement between the housing (15) and the cavity (17), for example by means of resilient tongues (30) forming part of the housing (15). The device is especially applicable to the motorised control of a clutch. <IMAGE>
Patent GB-2240267-A (GB)
Title: Umbrella cover
Inventor: KNIGHT PATRICIA MARILYN
IPC: A45B25/24
Filed: 1990-01-19
Abstract: An umbrella cover (10) is made of an inexpensive, preferably biodegradable material or laminate containing a water-absorbent layer. It may be designed for disposal after a single use or for keeping for repeated use. The shape of the umbrella cover can be varied so as to be either folded around an umbrella in a generally conventional manner, or to be unfolded into an open receptacle capable of receiving an umbrella and acting as a catcher to catch water dripping from the umbrella and to absorb it. <IMAGE>
Patent GB-2241483-A (GB)
Title: Overwrapping apparatus
Inventor: WHITAKER MICHAEL EVAN
IPC: B65B11/10
Filed: 1990-02-09
Abstract: A wrapping apparatus (12) for a packaging machine comprises three conveyors (10, 40, 14), a film feed mechanism (24, 26), a clamping and weakening apparatus (32) and a wrapping apparatus comprising a rotatable arm (42) having at each end a wrapping bar (46A, 46B). Leading edge (38) of the film is trapped between a package (74) as it moves from conveyor (10) on to conveyor (40) and the motion of the package will draw film from a dancing loop (30). When sufficient film has been drawn, the clamping and weakening apparatus (32) will operate to clamp the film and the relative motion of the package and wrapping bar relative to the clamping apparatus will tear the film along a line of weakness previously made by the apparatus (32). One of the bars (46A, 46B) will wrap the tail of the separated length of film over the package (74) and the tail of the separated length will be caught under the package as it transfers from conveyor (40) to conveyor (14).
Patent GB-2230052-A (GB)
Title: Roots blower with improved clearance between rotors
Inventor: FUKAGAWA TSTSUO
IPC: F04C18/18
Filed: 1990-02-13
Abstract: The rotor of a Roots blower has orthogonal short and long axes x, y and has a final shape contour inwardly offset from a basic profile curve by a distance normal to the curve surface at every point thereof to provide the running clearances. The offset distance is determined in accordance with a function which assumes a maximum value for the distance when the angle  theta  between a line connecting the rotor center with a point on the curve and either of the short and long axes x, y is 45 degrees. The function assumes a minimum value for the distance when the line coincides with either of the short and long axes. The function comprises an exponential power of a sine function. 
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Patent GB-2243601-A (GB)
Title: Siliconised silicon carbide article
Inventor: FARTHING LESLIE JOHN
IPC: C04B35/573
Filed: 1990-04-30
Abstract: Article is made by (i) injection-moulding a mixture of SiC particles and organic binder (ii) heating the article formed to remove binder and obtain a porous SiC article containing elemental carbon, (iii) impregnating the article with molten Si to convert carbon to SiC which binds together the original SiO particles. Step (iii) is carried out by utilising as a conduit for the molten Si a sprue formed integrally with the moulded article in step (i).
Patent GB-2243576-A (GB)
Title: Mitre guide
Inventor: WOODWARD THOMAS WILFRED
IPC: B27G5/02
Filed: 1990-04-30
Abstract: An adjustable mitre guide comprises a centre arm having a longitudinally aligned guide slot 2 to receive and guide a saw blade, two side arms 5, 11 hinged to a front end of the centre arm whereby each side arm is capable of pivotal movement through at least 90 DEG from a position substantially adjacent and parallel to the centre arm to an angled position at which the angle of each arm to the centre arm is greater than 900, and location means including link arms 30, 31 to adjustably secure the side arms at equal angles to the centre arm. <IMAGE>
Patent GB-2235563-A (GB)
Title: Guitar-style synthesizer-controllers
Inventor: COLE JOHN FREDERICK
IPC: G10H1/34
Filed: 1990-07-18
Abstract: A guitar style synthesizer comprising a body 1 having a strum region 4 which has "pluck sensitive" switches 23 and an arm 2 attached to the body having fret and note selection switches, 21 and 20 respectively. The fret and note selection switches are mounted on boards 3 which can be resiliently displaced and have sensing means that produce output signals representative of such displacement. The displacement sensing means comprises magnets and Hall-effect devices. The instrument is capable of producing pitch bend, note-velocity and tremlo signals. The output signals are produced by switch means between the pluck-sensitive, fret and note selection means and an interface. <IMAGE>
Patent GB-2237750-A (GB)
Title: Game
Inventor: RINGHAM MICHAEL STANLEY
IPC: A63F3/00
Filed: 1990-11-01
Abstract: A board game apparatus has a chequerboard-like main grid (1) and at least two subsidiary grids (3) at opposite sides. There are at least two sets of pieces, divided into sub-sets, identifiable by colour, the total number substantially corresponding to the number of squares of the main grid. Certain squares may be marked as "no-stop" areas. Playing in alternation, each player moves one piece straight, diagonally or transversely to a black square (for the black player) or to a white square (for the white player) the object being to fill the main grid with as many pieces as possible without setting down a piece next to one of the same colour. In a modification, the board can be folded (Fig. 3) so that in an initial stage dispositions on the subsidiary grids cannot be seen by an opponent. <IMAGE>
Patent GB-2243253-A (GB)
Title: Electric plug holder
Inventor: BENNETT WILLIAM MILLAR
IPC: H01R13/60
Filed: 1991-03-12
Abstract: The electric plug holder comprises a sheet of flexible or semi-rigid material which has a gasket portion 10 for location between an electric socket box 15 and the box cover 14. The gasket has through holes 17 to receive the screws 18 which secure the cover to the box. The holder also has one or more tails 11 which hang down from the gasket. Each tail has an aperture 18 and a slit 19 extends between the aperture and the edge of the tail. This allows the tail to be distorted and the flex 20 of a plug 13 located in the aperture. Thus, when the plug 13 is disconnected from the socket 12 it is held close to the socket by the tail. <IMAGE>
Patent GB-2254161-A (GB)
Title: Fibre optics -hydraulic shutter
Inventor: ARCHER-HALL JOHN
IPC: G02B26/02
Filed: 1991-03-27
Abstract: A hydraulic shutter comprises a block of transparent or translucent material 10 optionally having a lens 11 at one end and a hole 12 at the other end to receive an end fitting 13 of a fibre optic cable. The block is split along a line 14 and may have a gasket trapped between the two parts of the block so as to form a cavity 16 and a reservoir 17. On either side of reservoir 17 may be metal plates 20 and 21. The cavities and reservoir may contain a dielectric which may be paraffin. The dielectric may be drawn up into the reservoir 17 by charging the plates 20 and 21 so as to leave an air space in the cavity 16. While the liquid is in the cavity, the light passes unrestricted but when the liquid is drawn out of the cavity the light is totally internally reflected so that the device acts as a hydraulic switch to switch the light on and off. The hydraulic shutter may be used in a matrix of blocks forming an alpha-numeric road sign. <IMAGE>
Patent GB-2247682-A (GB)
Title: Golf ball cover compositions
Inventor: SULLIVAN MICHAEL J
IPC: A63B37/12
Filed: 1991-05-02
Abstract: Golf ball cover compositions comprise a blend of hard ionomeric resins, preferably acrylic acid based ionomers, and acrylic acid based soft ionomers. The hard ionomer is preferably a sodium or zinc salt of ethylene-acrylic acid copolymer, has a hardness greater than 50 on the Shore D scale, and has a flexural modulus of 15,000-70,000 psi. The soft ionomer is preferably a sodium or zinc salt of an ethylene-methacrylic acid-butyl acrylate terpolymer, and has a Shore D hardness of 20-40 and a flexural modulus of 2,000-10,000 psi.
Patent GB-2257287-A (GB)
Title: Musical instrument stand
Inventor: ARBITER IVOR
IPC: G10G5/00
Filed: 1991-06-19
Abstract: A stand for a musical instrument, such as a guitar, has a pair of legs 1, 2 connected to supporting feet 3, 4. A support 7, 8 extends towards the bottom of the stand and in use receives and supports the lower end of the instrument. A neck portion 9 extends upwardly from the legs and includes at its upper end a neck support which holds the neck of the musical instrument. The neck portion of the stand is formed from a pair of elongate members 10, 11 each of which is pivotally mounted at its lower end to a respective leg. A securing member 12 extends between the elongate members at their upper ends and can be released to allow the elongate members to be moved apart and folded downwards to lie alongside their respective legs when the stand is not in use. <IMAGE>
Patent GB-2245576-A (GB)
Title: A method of preparing homopolymers of conjugate dienes and copolymers of conjugate dienes with other dienes or vinyl aromatic compounds
Inventor: QUITERIA V RUIZ SANTA
IPC: C08F4/54
Filed: 1991-06-27
Abstract: Homopolymers of conjugate dienes, and copolymers of conjugate dienes with other dienes or with vinyl aromatic compounds, are polymerised by using a complex catalytic composition basically comprising (a) an organomagnesium compound, (b) an organoaluminium compound and (c) an organic compound of phosphorus P(V) or P(III), of the metals barium, strontium or calcium. The method according to the invention is for producing homopolymers of 1,3-butadiene and copolymers of butadiene and styrene in arbitrary manner, with a high 1,4-trans addition content (above 70%) and vinyl addition below 5%. The method is also used to prepare block copolymers of the aforementioned monomers.
Patent GB-2248032-A (GB)
Title: An electric discharge machine for simultaneously machining a plurality of workpieces
Inventor: CHENG WEN-CHEN
IPC: B23H1/00
Filed: 1991-07-16
Abstract: A main machine assembly (91) has a movable ram member (11'), an electrode clamping assembly (12') carried by the movable ram member (11'), a plurality of tool electrodes (131-134) secured to the electrode clamping assembly (12'), and a workbench (15'). Each of the workpieces (141-144) is secured on the workbench (15') immediately below one of the tool electrodes (131-134). A power supply box supplies discharge current independently to each of the tool electrodes (131-134). <IMAGE>
Patent GB-2257653-A (GB)
Title: Portable work bench.
Inventor: PENNELL JOHN
IPC: B25H1/04
Filed: 1991-07-16
Abstract: The work bench comprises two flat sections (10, 12) separated by a gap, into which a machine base (not shown) may be inserted to lie with its top level with the two flat sections. The machine base (not shown) is bolted to a rise and fall table (14) which slides from front-to-rear into the gap between the two fiat sections (10, 12). The bench further comprises detachable legs (25). <IMAGE>
Patent GB-2246675-A (GB)
Title: System for controlling a motor.
Inventor: MITCHELL TRAYTON ALEXANDER FRA
IPC: H02P6/08
Filed: 1991-08-01
Abstract: A control system for a wide pole motor (2) is disclosed having a number of windings (8a, 8b, 8c) energised by a highly accurate digital signal. A sensor (24) is also disclosed including means for enabling the motor's position to be accurately determined. Digital signal processing means (32) is also disclosed for providing feedback to the energising signal based upon the actual position determined by the sensor. The dynamic range of the motor system is thus wider than known hitherto; at least in the order of 2 x 10<7> per sec.
Patent GB-2250092-A (GB)
Title: Device for defining a horizontal plane
Inventor: KEY BRUCE GEORGE
IPC: G01C5/00
Filed: 1991-09-05
Abstract: A device for defining a plane to determine relative elevations comprising in combination a stationary housing (7) having an aperture (8) and locating a pair of vertical reflecting 10 surfaces (6) at right angles to each other which may be a pair of mirrors (5) or a right angle prism (32) and a levelling rod or staff (14) adapted to be positioned at a viewing distance from the housing (7) and incorporating a light source (12) and an eyepiece (15) whereby an observer at the location of the levelling rod (14) can move the light source (12) up and down the levelling rod (14) until a reflection of the light from the light source (12) is seen in the pair of reflecting surfaces (6). A reading can then be taken on the levelling rod (14) at a point midway between the eyepiece (15) and the light source (12) which defines a horizontal line from the reflecting surfaces (6). <IMAGE>