baber/WOPTO huggingface dataset:
Patent GB-2235777-A (GB)
Title: Passive shim arrangement for nuclear magnetic resonance magnet
Inventor: TAKEUCHI KAZUAKI
IPC: G01R33/3873
Filed: 1990-07-03
Abstract: A passive shim arrangement for a nuclear magnetic resonance magnet 3 in the form of a cylindrical coil has a plurality of nonmagnetic tubes 1 disposed at predetermined positions around a common axis. Each tube is parallel to and equi-distant from the axis. Magnetic shims 2 are inserted into the tubes to correct components of the magnetic field. The tubes are preferably located at angular positions of  kappa  DIVIDED 2. (+/- 1 DIVIDED 2 +/- 1 DIVIDED 3 +/- 1 DIVIDED 4) for a negative effect, +  kappa  DIVIDED 2. (+/- 1 DIVIDED 2 +/- 1 DIVIDED 3 +/- 1 DIVIDED 4) +  pi  for a positive effect. Pairs or triplets of shims may be installed at each position, with particular dimensions relative to each other and to the distance from the common axis. <IMAGE>
Patent GB-2246583-A (GB)
Title: Roof structure with beam including service cavity
Inventor: BOTHAM STEPHEN CHARLES
IPC: E04B7/00
Filed: 1990-08-01
Abstract: A roof structure in or for a portable building unit wherein the roof structure comprises a pair of spaced parallel roof beams 21 having a roof panel 13 extending therebetween and wherein at least one of the roof beams is provided with means to define a cavity extending longitudinally of the roof beam to receive an electrical conductor 71 or other service element. The beam may have five parts 81-86 as shown, parts 85, 86 serving to define the service cavity, and part 84 being bolted at 88 to wall 18. Walls and roof may all comprise double skin steel panels with interposed insulation, having a timber peripheral frame T; the cavity may be present in both longitudinal and transverse beams. <IMAGE>
Patent GB-2249037-A (GB)
Title: Food processor
Inventor: KAY LEE KWOK
IPC: A47J19/02
Filed: 1990-09-26
Abstract: A food processor, especially a fruit juicer, comprises a container 32 for receiving juice, a filter 34 located across the top of the container and a motor-powered extractor 12 rotatably supported above the filter. Two deflectors 38, 40 rotate with the extractor and sweep collected pulp across the filter surface into a recessed container 36 provided in the filter 34. Container 32 resembles a jug and stands on a separate base 28 enclosing the motor 22. The motor starts when a piece of fruit is pushed down on extractor 12 to close contacts 24, 26. <IMAGE>
Patent GB-2238800-A (GB)
Title: Curtain heading tape
Inventor: STUBBS DENIS ANDREW
IPC: A47H13/16
Filed: 1990-11-22
Abstract: A tape (40) having three or more rows (A, B, C) of fully woven pockets (30), aligned across the width of the tape, is produced on a two or three needle loom by feeding weft yarn (56, 58) for at least two of the pocket rows (B, C) in the warp direction part way across the warp shed (42) of the base web (31) (at the respective side of their respective pocket forming warp sheds (48, 48)) and using a selector needle (60) for insertion of at least two of the pocket forming wefts (54, 56, 58). Upon insertion, owing to the angle of feed of the respective wefts (56, 58), only the relevant weft for a given pocket row (B or C) engages behind its respective displaceable guide (76, 78) and is taken off by its respective latch needle (66, 66) and the remaining weft is withdrawn again with the selector needle (60). Variations are possible in that the pocket forming warp sheds can be displaced to differing levels to allow any two pocket rows to have waft insertion by selector needle and in that two or three selector needles can be used. <IMAGE>
Patent GB-2244697-A (GB)
Title: Material sampler
Inventor: HILLMAN JOHN
IPC: G01N1/20
Filed: 1991-05-08
Abstract: A material sampler having a main chute 3 is provided with a sample chute 2, and a movable sampling chute 7 to sweep across the sample chute 2 and deposit a controlled sample of material in the sample chute. The sampling chute has a cam follower 10 to bear against a motor driven cam 11. whereby activation of the motor 12 causes pivoting of the sampling chute, which may be intermittent or continuous. <IMAGE>
Patent GB-2246177-A (GB)
Title: A seal
Inventor: ORGAN ALAN HENRY
IPC: F16J15/12
Filed: 1991-06-28
Abstract: A seal for positioning circumferentially around a shaft or bolt shank having a longitudinal axis, comprises a body member (3) of elastomeric material. and a skin member (4) of elastomeric material extending transversely of the longitudinal axis of the shaft or bolt shank about which the seal may be placed, and having an edge which is in contact with the body member and a free edge (6) and indentations (5) which extend into the skirt member (4) from the free edge (6) to a depth which does not contact the body member (3). The skin member (4) with indentations (5) gives improved self-centring of the seal on the shaft or bolt shank. Additionally, or alternatively to the indentations (5), ribs (7) Fig 3 (not shown) are provided on the body member (3) which extend parallel to the longitudinal axis of the shaft or bolt shank. The ribs (7) may be located both sides of the skirt member (4), and successive ribs (7) may be located on alternate sides of the skirt member (4). <IMAGE>
Patent GB-2249816-A (GB)
Title: Channel section bracket with teeth
Inventor: LAW GRAHAM
IPC: E04B1/41
Filed: 1991-07-24
Abstract: A channel section bracket (1) has an elongate slot (4) in its base, with opposed longitudinal edges (5) of the slot (4) bent out of the plane of the base to form two parallel flanges (6) whose edges are provided with a plurality of teeth (7). A toothed washer (not shown) is engaged with the teeth (7) to locate a bolt secured to a wall or floor, so that the bracket (1) is located relative to the wall or floor. <IMAGE>
Patent GB-2247553-A (GB)
Title: "Satellite receiver theft alarm systems"
Inventor: PHARAOH PETER LEONARD GEORGE
IPC: G08B13/00
Filed: 1991-07-30
Abstract: The alarm system has a sensor 9 mounted on the dish 1 or its support to signal mechanical disturbances. This can activate a local alarm (16, Fig 3, not shown) and/or its output may be transmitted through the main aerial 6 or a separate line (11, Fig 2, not shown) to activate a remote alarm (24, Fig 4, not shown). The system also has a detector 10 to respond to electrical changes in the aerial beyond normal satellite signals, which will activate an alarm (24) if that aerial is cut or disconnected. <IMAGE>
Patent GB-2255642-A (GB)
Title: Flow measuring element
Inventor: HUEFTLE GERHARD
IPC: G01P5/12
Filed: 1992-05-01
Abstract: An element (10) of a device for measuring flow rate, e.g. of air in an i.c. engine, comprises a substrate (11) provided on its upper face with several resistance tracks (20) exposed to the flowing medium, the tracks being separated from each other and, in one embodiment, arranged one behind the other in the flow direction (37), in staircase fashion on stepped portions (14-16) of the substrate. A leading edge is thus formed adjacent each resistance track so that flow over any one of the tracks (20) is not influenced by the preceding step. The tracks shown comprise a temperature sensor (21), a compensating resistor (22), a flow sensor (23) and a heating resistor (24), the latter being on the opposite side of the substrate. The tracks are separated by slots (25, 26). The output of a differential amplifier (29) in a bridge circuit supplies the heater (24) and is proportional to the air flow rate. In another embodiment, the substrate has a rectangular shape and a vacant area is left upstream of the most downstream track (23). <IMAGE>
Patent GB-2269129-A (GB)
Title: Hand tool for inserting a strip between a gasket and a frame
Inventor: BASTOW DAVID
IPC: B05B12/16
Filed: 1992-07-30
Abstract: There is provided a hand tool of the kind for insertion between a flexible gasket 8 and the frame 4 of a vehicle to separate gasket 8 from frame 460 that a flexible deformable strip material 12 may be fed through the tool and inserted between the vehicle and gasket 8. The tool has a handle (20) and an operative end portion (22) comprising: a plough portion 24 for lifting gasket 8 from frame 4, the plough portion (24) tapering from its rear (28) to front (26) and having, towards its rear (28), a hole (30) therethrough for insertion of material 12 and a guide portion (32) positioned to abut the edge of the gasket to control the position of portion (24), in which guide portion (32) additionally comprises a recess (34) to accommodate the edge of gasket 8 at corners or curves. The handle (20) may have a gauge (40) for checking the position of material 12 beneath the edge of gasket 8. The hole 30 has an elongate cross-section of a height that is less than that of material 12. <IMAGE>
Patent GB-2269423-A (GB)
Title: Hydraulic actuator
Inventor: QUINEY KENNETH MAURICE
IPC: F16D65/22
Filed: 1992-08-06
Abstract: A double ended hydraulic actuator (10) having a body (11) with a stepped bore (12). A larger diameter piston (17) is slideable in a large diameter portion (14) of the bore and a smaller diameter piston (16) is slideable in a small diameter portion (13) of the bore. The smaller diameter piston (16) or body (11) carries a limiting means (26) to limit the axially inward movement of the smaller diameter piston (16) into the stepped bore (12).
Patent GB-2270215-A (GB)
Title: Excitation circuit for electrical DC machines
Inventor: YANG TAI-HER
IPC: H02P7/28
Filed: 1992-08-28
Abstract: A DC machine has an auxiliary power supply B201 supplying a field winding S201 of the machine. Sub-exciter control of a series type excitation magnetic field winding of a DC series type excitation or compound dynamo (including generator and motor) is described so as to increase the magnetic field on low voltage or light load operation, and maintain normal excitation on full load. <IMAGE>
Patent GB-2260802-A (GB)
Title: Method of activating a mine
Inventor: DITTMANN LUTZ
IPC: F42C13/04
Filed: 1992-10-09
Abstract: A method of activating a mine which has a given activation radius, in particular a helicopter defence mine, which is put into an alarm condition by acoustic signals. In the alarm condition of the mine, an NLOS-radar is activated, by means of which the target speed and the target range of a helicopter to be the subject of combat action are then detected and the result of said detection is compared with the given activation radius of the mine. Full activation of the mine then occurs when the detection result is smaller than the activation radius or further or fresh NLOS-radar detection is effected when said detection result is greater than the activation radius of the mine. <IMAGE>
Patent GB-2263729-A (GB)
Title: Shutter drive
Inventor: BOUCHIER RAYMOND
IPC: E06B9/70
Filed: 1993-01-26
Abstract: An auxiliary drive unit (30) intended for driving a chain (11) in a horizontal track (12) is arranged to operate only when a forward end (33) of the chain passes a predetermined point. A drive sprocket (16) engages with the chain and initially freewheels until the forward end (33) of the chain contacts a switch (34), actuating a drive motor (13) of the auxiliary drive (30). The drive sprocket (16) is normally "parked" in a precisely orientated position so as to engage the forward end (33) of the chain (11) cleanly. The sprocket (16) has a plurality of circumferentially spaced alternating polarity magnetic poles which park the sprocket (16) precisely in position relative to opposite polarity magnetic poles provided on a fixed member of the auxiliary drive unit. The auxiliary drive unit (30) is particularly designed for driving a rolling shutter (10) suspended from a chain (11) running in a horizontally extending track (12). <IMAGE>
Patent GB-2273133-A (GB)
Title: Electromagnetic displacement pump.
Inventor: COURTNEY WILLIAM ALEXANDER
IPC: A61M60/884
Filed: 1993-03-11
Abstract: A pump comprises a piston or diaphragm member (3) having at least one aperture through which passes a stator shaft (5) of soft ferromagnetic material magnetised by electromagnets (6, 7). An annular permanent magnet or electromagnet (4) carried by the member (3) surrounds the shaft (5), whereby the application of an alternating current to the electromagnets causes the member to reciprocate. The member (3) defines pumping chambers (1, 2) provided with inlet and outlet valves (8, 10:9, 11). The opposite ends of the shaft may be interconnected by a soft iron yoke or in the case of two shafts the adjacent ends thereof. A range of pump designs are described including multi-stage pumps for pressure or vacuum production, a peristaltic version, a mixing pump for the blending of two fluids and a pump for use in a Sterling engine. <IMAGE>
Patent GB-2265260-A (GB)
Title: Power supply unit
Inventor: LINDLEY GRAHAM
IPC: H05K7/14
Filed: 1993-05-06
Abstract: An input power supply unit 37 is interconnected to one or more output modules 9 via a backplane 40, the supply unit 37 being detachably connected to the backplane 40 by way of a split transformer, primary winding 38 of which is formed on unit 37 and secondary winding 42 formed on the backplane. The output module(s) 9 may be detachably connected to the backplane. To enable variation of the transformed voltage the secondary winding or the secondary winding and backplane and/or output modules may be substituted. <IMAGE>
Patent GB-2278722-A (GB)
Title: Improvements relating to infra-red radiation sources
Inventor: DEXTER AMOS CHRISTOPHER
IPC: H05B3/00
Filed: 1993-05-21
Abstract: There is described an infra-red radiation source comprising an electrically conductive element (2) formed of a plurality of carbon fibres and connection means (3, 4, 5) for connecting the electrically conductive element (2) across an electrical power supply, said connection means (3, 4, 5) including at least one support member (3) formed of carbon and secured to one end of the electrically conductive element (2). <IMAGE>
Patent GB-2267843-A (GB)
Title: Exhaust gas scrubber and filter assembly
Inventor: BURROUS RICHARD A
IPC: F01N13/02
Filed: 1993-06-15
Abstract: An IC exhaust treatment system has a water scrubber, a centrifugal water trap 122 for removing water droplets from the exhaust flow from the scrubber and a filter 24 for cleaning the so treated exhaust gases. The components are housed contiguously so that exhaust piping is not needed between the components. The water trap includes a frustoconical peripheral wall 136 and a plurality of conduits 148 having apertures for directing exhaust obliquely against the wall. The conduit apertures face in the same rotational direction to generate a rotational circulation of exhaust within the trap, which is entirely encircled by an annular filter 24. The water trap and filter are housed in a portion of the housing that is a low profile flat disc shaped to extend only a limited distance above the scrubber to which it is directly attached. In an alternative embodiment, the centrifugal water trap is replaced by an inertial water trap. <IMAGE>
Patent GB-2281624-A (GB)
Title: Engine crankshaft position determination
Inventor: JACKSON NEIL
IPC: G01D18/00
Filed: 1993-07-30
Abstract: Apparatus and method for detecting the position of an engine crankshaft comprises a plurality of markers 12, 14, 16 nominally equally spaced around the flywheel 10 of the engine and a position sensor 18 to detect passage of the markers. A control unit 20 is arranged to measure the time between the passage of successive markers past the sensor and from these times calculate correction factors which can be used to compensate for any inaccuracies in the angular positioning of the markers on the flywheel. <IMAGE>
Patent GB-2270298-A (GB)
Title: Pallet
Inventor: GROBLER RONALD
IPC: B65D19/00
Filed: 1993-08-25
Abstract: A pallet 10 is made of corrugated board and has longitudinal and transverse ribs 12.2, 14.2 which have interlocking slot and bridge formations 20, 22 to interlock the ribs together. The inner ribs 12.2, 14.2 are located on the outer ribs 12.1, 14.1 by step and slot formations 24, 26; 30, 32; and the outer ribs 12.1, 14.1 locate on each other by step formations 36, 38. <IMAGE>
Patent GB-2282965-A (GB)
Title: Floor mat system incorporating hook and loop material
Inventor: SVENSSON JAN
IPC: A47L23/26
Filed: 1993-09-14
Abstract: The invention provides a linkable floor mat system comprising a plurality of floor mats (2) each provided on their underside with pads (1) of loop material, and one or more separate bands (5) of hook material each engageable with loop pads on two of the mats (2A, 2B) when the mats are laid adjacent to one another, whereby the bands (5) form a connection between floor mats and resist lateral separation of the floor mats. The invention also provides a method of preventing creep of a floor mat (2) on a floor surface which comprises fixing at least one pad (1) of loop material to the underside of the mat (2) and engaging the or each pad with a band (5) of hook material which is secured to the floor surface (8) via the hook and loop mechanism. Also provided is a method of making such a floor mat during which a pad of loop material is bonded to the underside of a rubber backed floor mat using a bonding agent or a rubber sheet containing a bonding agent. <IMAGE>
Patent GB-2282894-A (GB)
Title: Power testing apparatus
Inventor: KONDOH TOYOSI
IPC: G01R31/42
Filed: 1993-10-14
Abstract: A power testing apparatus for non-utility power generators, etc., includes a current-passing tank 12 charged with a resistance liquid 10,a main electrode 14 disposed in the tank to receive power from a generator to be tested, a movable insulator 16 located between the main electrode 14 and the tank 12 operable to regulate the current passing therebetween, a pipe system 18 to cool or filter the resistance liquid within the tank for feeding the liquid back to the tank, thereby recycling the liquid, and a feed pipe 20 connected to the pipe system 18 on the upstream side of the tank to feed the liquid into the tank. The feed pipe 20 also serves as a holding member for holding the main electrode and as a power supply member. The main electrode 14 is selectively preset at a low or high voltage depending on the standard voltage of the generator and a plurality of dry loading elements (42 - 1 to 42 - n Fig. 1 and 2 not shown) are connected in parallel with the water loading device. A dry loading element (Figs. 7 and 8 not shown) includes a change-over unit for selecting resistors (64) to withstand the output voltage of the power generator 30. <IMAGE>
Patent GB-2284785-A (GB)
Title: Protecting weld joints of pipe lines
Inventor: PICKETT MATTHEW THOMAS
IPC: F16L13/02
Filed: 1993-12-09
Abstract: Corrosion protection may be provided for a joint area in a marine pipe line having an anti-corrosion coat (4) and a weight coat (6). A first tape member comprising a flexible heat resistant waterproofing backing film (22) and a pressure sensitive adhesive layer (28) is adhered to a first joint length of exposed pipe (2a) on either side of a welded joint (8) and to at least partially a second joint length (4b) adjacent to the first joint length on either side of the joint covered by the anti-corrosion coat, but not the weight coat; and then a second resistant tape member (24) having a width less than the width of the first tape member (22) and being laminated at the centre of the outer surface of the first tape member is applied to overlie the first joint length of exposed pipe (2a) and not to overlie the second joint length (4b). Finally the joint volume (10) is filled. The first and second tape members may be in the form of a prelaminated tape with the pressure-sensitive adhesive layer (28) protected by a release layer (30). <IMAGE>
Patent GB-2287752-A (GB)
Title: Gas flow silencer
Inventor: EVANS RICHARD JOHN LLEWELYN
IPC: F01N1/08
Filed: 1994-03-19
Abstract: A large number of parallel, thin-walled passageways 22 are arranged in a silencer body so that noise in the gas flow is silenced by viscous energy dissipation in the boundary layers on the passageways. The metal or moulded plastics defining the passageways 22 in an i.c. engine exhaust or intake silencer may have a wall thickness of 0.04 to 0.2 mm, with a passage length from 100 to 600 mm and a passage cross-sectional area from 1 to 3 mm<2>. <IMAGE>
Patent GB-2278658-A (GB)
Title: Compression fitting
Inventor: DIGBY DAVID
IPC: F16L33/22
Filed: 1994-05-27
Abstract: A compression filling, in particular for use with flexible tubes (T), has a body (10), a nut (12), a ferrule (14) and a stiffener element (16). A tube (T) inserted into the filling is engaged by the ferrule (14) whereupon tightening of the nut (12) causes deformation of the tube (T) into contact with engagement formations such as ribs (17) and/or grooves (17') on the stiffener element (16) which serve to retain the tube (T) within the filling. The stiffener element (16) may be received within a bore (24) of the body part, an O-ring seal (18) being provided to form a fluid-tight seal between the stiffener element (16) and the body part (10). <IMAGE>
Patent GB-2295522-A (GB)
Title: Combined mobile phone and voice recorder
Inventor: MARSHALL JOHN DAVID
IPC: H04M1/72433
Filed: 1994-11-11
Abstract: A mobile telephone 1 has a built-in or detachable voice recorder. The recorder may be in the form of a micro cassette tape recorder or may use magnetic discs, optical discs, such as a writable CD, or a memory chip. The recorder may record through the phone's microphone and replay through the phone's speaker and may be used as a day to day dictator diary. The recorder may also record telephone conversations and may have an automatic telephone answering and message recording function. The LCD screen of the phone will display the date, time and number of messages that have been recorded. A built-in timer may trigger sending a message from the combined phone and recorder. <IMAGE>
Patent GB-2283705-A (GB)
Title: Adjustable keyboard.
Inventor: HUELLEMEIER JOHN M
IPC: G06F3/02
Filed: 1994-11-11
Abstract: A keyboard has two segments 11, 12 connected to each other at their rear corners by a structurally secure clamp. The two segments can be pivoted about the axis of the clamp screw by 90 DEG , and may be mutually inclined so that the segments are angled in the manner of the sides of a tent when stood upon a common horizontal support surface. Both rear corners and the front edge of each segment are provided with foldable and adjustable legs, whereby the segments may be completely separated and stood alone at a desired orientation. The structurally secure clamp is preferably a ball joint of the kind having respective cups secured to each of the segments, a ball received between the cups, and releasable (screw) means for urging the cups against the ball. <IMAGE>
Patent GB-2295126-A (GB)
Title: Rolling drawing instrument.
Inventor: LIU BAO-SHEN
IPC: B43L7/04
Filed: 1994-11-18
Abstract: A ruler, of the kind comprising a right prismatic body A of polygonal cross section whose longitudinal apices (apexes) A5 constitute different ruling edges with which different respective measurement scales are associated, is provided with a spindle or shaft extending axially therethrough to support wheels or rollers C located outboard of the ruler ends. The shaft may be supported in a central bore in a solid prismatic ruler, or in end caps fitted to a hollow ruler body. The wheels not only allow the device to be used as a rolling parallel ruler, but also slightly raise the device from the paper, thereby faclitating the use of either pen N or pencil M (according to whether the ruling edge is laid, on or spaced from, the paper). Various forms of triangular and quadrilateral cross sections are disclosed. An sliding saddle E, adapted to support a further ruler D at right angles for the drawing of perpendicular lines N, may be associated with the rolling ruler A. <IMAGE>