baber/WOPTO huggingface dataset:
Patent GB-2287460-A (GB)
Title: Porous amorphous silica-alumina
Inventor: JONES STEPHEN DAVID
IPC: B01D53/22
Filed: 1992-06-02
Abstract: A process for preparing a porous amorphous silica-alumina refractory oxide is described in which a source of silica, such as tetra ethyl ortho silicate, in a non-aqueous solvent, such as an alcohol, is hydrolysed by adding an aqueous solution containing aluminium ions, in particular a solution of aluminium nitrate, thereby to form a sol and calcining the sol at, for example, 200 DEG C to 600 DEG C. The product, which may have a microporous or mesoporous structure, is useful in the separation of fluids, especially the separation of carbon dioxide from natural gas.
Patent GB-2304320-A (GB)
Title: Bale wrappers
Inventor: MILLS MARTYN NICHOLAS
IPC: A01F15/07
Filed: 1995-08-19
Abstract: A bale wrapping machine has tiltable turntable rotatably mounted on a chassis (2) but the wrapped film is gathered for cutting before the turntable is tilted. A reel (22) of film web is mounted in a position fixed relative to the chassis (2), and the turntable is operable to rotate a bale thereon so as to wrap the bale with film from the reel and discharge bales wrapped by tilting the turntable. The machine includes clamping and cutting apparatus (36) which is mounted on the turntable and is operable to cut and clamp the film web in a region of the latter between the reel on said mounting means and a wrapped bale, gathering means (24, 30) for gathering a portion of the web in said region into a bundle to enable the web to be cut and clamped. The gathering means includes engagement means (30) which is movable against the web to form said bundle, the range of movement of the engagement means is such that said bundle is formed before the turntable is tilted so that the operation of the clamping and cutting apparatus does not have to occur at a specific time during the tilting of the turntable. The gathering means may comprise a pivotable arm (24) from which a bar (30) projects.
Patent GB-2291685-A (GB)
Title: Toughened carbon composite brake discs
Inventor: FISHER RONALD
IPC: F16D69/00
Filed: 1993-09-20
Abstract: An aircraft disc stack (1) comprises a plurality of interleaved stator and rotor discs (3, 4) keyed respectively to a torque tube (5) and a wheel (not shown). The stack (1) further comprises bi-functional friction/load-transmitting discs in the form of end stator discs (10, 13). These discs (10, 13) are subject to uneven loading because the non-friction surfaces (12, 15) are in use compressed on areas less than the load bearing areas of the opposing friction faces (11, 14). This can lead to premature disc failure and in the past load spreader plates have been used to distribute loading over these areas to minimise the risk of failure. Portions of the load bearing areas of non-friction surfaces (12, 15) are toughened ie: material underlying these surfaces is toughened, to increase their resistance to deformation, fracture and/or wear thereby removing the need for additional load spreader plates which were hitherto required. The toughening may be effected by needle-punching or by a chemical treatment process. At least a portion of at least one of the inner and outer peripheral surfaces of the annular stator and rotor discs is toughened. <IMAGE>
Patent GB-2305928-A (GB)
Title: Coloured hot melt ink jet vehicle
Inventor: EVANS PHILIPPA CATHERINE
IPC: C09D11/00
Filed: 1995-10-06
Abstract: A coloured material suitable for use in a hot melt ink comprises a oligomeric hot melt ink jet vehicle formed of molecules having a backbone and at least one pendant side-chain. A dyestuff is reacted onto the backbone. The material is preferably obtainable as the reaction product of an aliphatic or aromatic mono- or di-isocyanate and a hydroxyl group functional dye component, and optionally one or more other suitable material. Such suitable materials include mono- and dihydric alcohols, primary and secondary monoamines, functional amides, hydroxyl functional amines and hydroxyl containing components having a terminal unsaturated bond.
Patent GB-2294409-A (GB)
Title: Puzzle and display mounting
Inventor: LAWRENCE RICHARD HARVY
IPC: A63F9/10
Filed: 1995-10-27
Abstract: A puzzle comprises a support (11) and a plurality of puzzle elements (12) with mutually engageable releasable attachment means (28, 29) such that the elements are attachable to the support in at least one predetermined display arrangement in which they may be retained for viewing. The puzzle pieces or the support may be undercut to aid lifting of an individual piece from a completed puzzle. Alternative methods of attachment include by magnetic means, multi-hook fastener or releasable adhesive. <IMAGE>
Patent GB-2306370-A (GB)
Title: Hand portable electro-discharge machine
Inventor: MORAN MICHAEL
IPC: B23H1/00
Filed: 1995-11-01
Abstract: A hand portable electro-disharge machine has a container 1 that is a transportation and housing vessel for a spark erosion system that is portable within it. A unit head 2 is connected via cables 6,7, and pipes 10 to a supply area, which includes a pump 5 and fluid storage container 4. This is powered through a mains cable 8, that may be subject to input from a portable generator. A stand 3 allows the unit head 2 to direct an electrode 9 to the subject, on which spark erosion is being performed. Fluid 4 is directed to the head area 2 during the erosion process, which may be carried out by non skilled operatives due to an automatic control method within the system.
Patent GB-2296966-A (GB)
Title: Regenerative heat exchanger with reciprocating elements
Inventor: BELL ANDREW
IPC: F28D19/04
Filed: 1996-01-08
Abstract: A regenerative heat exchanger comprises a flow path 2A-31 or 2B-31 for a heating fluid (e.g. exhaust gas from a turbine) and a second flow path 41-10A for a fluid to be heated (e.g. high pressure air). Matrix elements 4A-E are supported on a shuttle 7 which can move axially (the elements and shuttle are preferably annular). Hot fluid is passed from inlet/s 2A, 2B to outlet 31 and heat elements in the flow paths 4C-E. The fluid to be heated is passed from inlet 41 through element 4A to outlet 10A. In the position illustrated hot fluid may be supplied to inlet 2B only. The shuttle moves axially to expose different elements to the flow paths. The shuttle is caused to move by admitting high pressure gas selectively to end spaces 11, 12. Instead of heat exchange the apparatus may be used to treat a fluid by exposure to a catalyst and for regeneration of the catalyst by exposure to another fluid. The matrix elements will, in this instance, comprise a catalyst.
Patent GB-2298419-A (GB)
Title: Method and apparatus for wet-type desulphurisation of exhaust gases using a solid de-sulphurising agent
Inventor: KIKKAWA HIROFUMI
IPC: B01D53/30
Filed: 1996-01-26
Abstract: Exhaust combustion gas is brought into contact with an absorbing liquid to absorb sulphur oxide, limestone particles having larger diameters are selectively left in a neutralising zone where the absorbing liquid is neutralized and the absorbing liquid containing water and gypsum are selectively drained from the neutralising zone to be brought into contact with the exhaust gas again; at that time the absorbing liquid that is brought into contact with the exhaust gas contains water as a main constituent so that there is the possibility of large decrease of desulphurising performance due to a variation in the load of the boiler etc and more than one item can be selected for detection e.g. pH of the neutralising liquid, S content, flow rates of exhaust gases, inlet and outlet SO 2 concentrations, so as to regulate more than one item e.g. flow rate of the absorbing liquid, stirring velocity of the solid desulphurising agent in the neutralisation zone, and thus control the outlet SO 2 concentration.
Patent GB-2299065-A (GB)
Title: Can-handling system in a textile installation
Inventor: LEIFELD FERDINAND
IPC: D01H9/18
Filed: 1996-03-15
Abstract: In an apparatus at a spinning works machine, for example, a card or draw frame 3, for conveying and supplying spinning cans 5, having a conveying means with at least one driven conveying element 10,11, for example, a band conveyor, conveyor belt, roller table or similar means, a removable barrier element 8 for the spinning cans is present. To provide an apparatus which allows better conveying and supplying of spinning cans, and which enables the spinning cans to be assembled and individually isolated in a structurally simple manner, the conveyor element 10,11 is arranged beneath the spinning cans, the barrier element 8 is associated with the frontmost spinning can - viewed in the conveying direction -, and the conveyor element and the conveyor face of the spinning cans have a low coefficient of friction relative to one another, so that the conveyor element can continue to move whilst the cans are stationary.
Patent GB-2301840-A (GB)
Title: Corrosion protection employing alternating voltage
Inventor: FIORINO MARY E
IPC: C23F13/00
Filed: 1996-05-29
Abstract: A method of protecting metals from corrosion by applying an alternating voltage to them, thereby reversing the metal's polarity with respect to its surroundings. Particular applications are for metals which are buried in soil or are exposed to an electrolyte. Amphoteric metals which are subject to cathodic corrosion are protected. Steels, which are subject to hydrogen embrittlement when made cathodic, are also protected by polarity reversal.
Patent GB-2304461-A (GB)
Title: Solenoid operated valves
Inventor: CANON HOWARD N
IPC: F02M59/46
Filed: 1996-07-03
Abstract: A solenoid includes a coil (110), a fixed stator (105), and opposed first and second armatures (115,120) defining an air gap therebetween. A driving circuit (140) energizes the coil to cause the first and second armatures to move simultaneously towards each other from respective first positions to respective second positions. The armatures may be connected to valves A and B of a fuel injector. A magnetic, hydraulic or mechanical latching device 145 may be provided for the valve A.
Patent GB-2301655-A (GB)
Title: Digital two,three,and four way solenoid control valves
Inventor: STURMAN ODED E
IPC: F16K31/06
Filed: 1995-04-04
Abstract: A control valve (10) that has a pair of solenoids (32 and 34) which move a spool (26) between first and second positions. The spool (26) and housing (12) are constructed from a magnetic steel which maintains the spool (26) in either the first or second position. The spool (26) is located within a valve chamber (28) of a housing (12) which has at least two fluid ports. The valve (10) controls the flow of fluid between the ports in accordance with the position of the spool (26). The valve (10) can be constructed to be either a two-way, three-way or a four-way valve. The spool (26) has an inner chamber (46) which is in fluid communication with both the valve chamber (28) and the drain port of the valve (10). The inner chamber (46) ensures that the ends of the spool (26) are balanced and that a hydraulic pressure does not build up in the valve chamber (28).
Patent GB-2306196-A (GB)
Title: Attaching a noble metal chip to the electrode of a spark plug for i.c. engines
Inventor: ABE NOBUO
IPC: H01T13/20
Filed: 1996-10-11
Abstract: The tip of the centre electrode (3) or earth electrodes (4) is melted at the predetermined regions where the noble metal chips (5) is to be fixed. Then the chip (5) is pressed into the melted region of the electrode so as to form a protruding portion (3c, 4c) along outer periphery of the chip (5). Next, the chip (5) is welded by laser light (L) through the protruding portion (3c, 4c). This method reduces thermal stress in the weld while maintaining sufficient connecting strength, reduces the size of the chip and simplifies the assembly process. The material of the chip may be Ir, Ir-Pt, Ir-Pt-Ni, Ir-Rh, Ir-W, Ir-Al, Ir-Si, Ir-Y, or Ir-Y 2 O 3 and the electrode may be made from a Ni- group heat-resisting alloy containing Fe and Cr.
Patent GB-2319476-A (GB)
Title: Improved tanning system
Inventor: HARDEN GLEN RAYMOND
IPC: A61N5/06
Filed: 1996-11-22
Abstract: An improved system for providing the human body with a tan involves the use of a film 1 of material which is permeable to ultra-violet light and which is adapted to be laid on part of a human body, for example the torso. The film is covered in certain desired regions 2 with a material which is impermeable to ultra-violet light, which regions are surrounded by regions 3 which are only slightly permeable to ultra-violet light. When a person wearing the film is subjected to tanning, the result is improved appearance of the torso, for example, the person may look fitter, slimmer and/or more muscular. The tanning may be achieved by either natural sunlight or by means of a sunbed.
Patent GB-2319789-A (GB)
Title: Securing fence panels
Inventor: GILTRAP GEORGE RUSSELL
IPC: E04H17/16
Filed: 1996-11-28
Abstract: A fence panel L is secured to the gravel board M using two H - section clips C which inhibit bending of the fence panel and allow wind to blow through the gap between panel L and gravel board M.
Patent GB-968406-A (GB)
Abstract: 968,406. Transformers. INDUCTOSYN Ltd. May 17, 1961 [May 18, 1960], No. 17988/61. Heading H1T. A position-determining transducer of the Inductosyn type comprises a fixed scale provided with a winding formed from side-by-side conductive strips, and a slider having windings formed from strips disposed parallel to the direction of movement, the strips of the scale being inclined to the direction so that the inductive coupling varies with position. The arrangement provides " coarse " and " medium " control for a machine where the " fine " control is provided by a known Inductosyn arrangement (see Specification 801,516). As disclosed (Fig. 1) fixed windings 5, 6, 7 are arranged on a 400-inch base formed from forty 10-inch scales 2. As shown (Fig. 4) the fine winding 7 consists of transverse conductors connected and disposed so that ten cycles occupy 1 inch. In the medium winding 6 upper and lower sets of conductors diverge so that the right-hand end of any conductor is displaced by half a polepitch. The 10-inch scale provides 1 cycle for the medium winding. For the " coarse " winding the divergence is much less and is progressively continued throughout each 10-inch scale so that the full 400 inches provides one cycle for the coarse control, the interconnections being as shown in Fig. 7. The slider 3 (3.6 inches long) is provided with corresponding coarse, medium and fine windings 14, 15, 16, the fine control 16 comprising two windings in space quadrature which are associated with the winding 7 in known manner. For the medium control the slider has two windings formed from parallel conductors 151, 152, 153, 154 (Fig. 9) disposed so that their coupling with the winding 6 varies with the slider displacement. A similar arrangement provides coarse control. Constructionally the conductors of both the scale and the slider are printed on a base and have terminals (say 9<SP>1</SP>, Fig. 4<SP>1</SP> formed on the back and interconnections (96, 100, Fig. 4) formed on the edge. The base may be iron. Specifications 883,563 and 914,656 also are referred to.
Patent GB-2324220-A (GB)
Title: Video data compression system
Inventor: MONRO DONALD MARTIN
IPC: H04N7/36
Filed: 1997-04-11
Abstract: A video signal is sampled and digitised (42) and wavelet transformed (44). A tree processor (46) extracts from each frame trees of correlated image areas in the sub bands of the transferred image. For the current frame, only those trees (if any) which have changed compared to the previous frame or frames are subsequently encoded. The trees are encoded according to a quantization table selected from a set of such tables. The selection is based on that proportion of the trees in a frame which have changed. The larger the number of changed trees the coarser the quantization.
Patent GB-2325606-A (GB)
Title: Soil turner
Inventor: DELANEY ROBERT
IPC: A01B77/00
Filed: 1997-05-30
Abstract: A soil turner, which is a self-propelled wheeled frame 7 which is capable of turning and aerating a pile of ex-situ soil, such as required for the processes of bioremediation and composting of soil/compost. A rotating drum 2, located within the frame, lifts the soil as the soil turner moves into a pile of soil, and once the soil reaches a relatively high point a jet of gas, namely air, displaces the soil off the drum. A hollow funnel 4 figure 1 aims the aerated soil from the drum, thus aiding the formation of an aerated pile of soil. The soil turner proceeds down the pile of soil in a manner just described.
Patent GB-2313009-A (GB)
Title: Doherty-type amplifier and tuning method
Inventor: LONG JAMES FRANK
IPC: H03F1/32
Filed: 1996-09-04
Abstract: An amplifier circuit comprising a carrier amplifier (24) producing a carrier amplifier output signal, a peaking amplifier (26) coupled to the carrier amplifier (24) in a Doherty configuration, and a combination circuit responsive to the carrier amplifier (24) and the peaking amplifier (26). The peaking amplifier (26) is voltage-biased to produce an adjusted intermodulation product signal. The combination circuit (35) combines the adjusted modulation product signal with the carrier amplifier output signal to produce a substantially linearized amplifier circuit output signal.
Patent GB-2315172-A (GB)
Title: Protecting semiconductor devices
Inventor: THOMAS KEVIN PAUL
IPC: H03K17/08
Filed: 1997-07-03
Abstract: A semiconductor power switch 3 comprises a die mounted on one face of a substrate, and has a temperature sensor 10 on the opposite face of the substrate to monitor the temperature in the vicinity of the switch. The switch 3 is connected between a power source 2 and a load 1 to act as an overcurrent protector. A current sensor 4 and voltage sensor 5 supply signals through an A-D converter 9 to a processor 15 which calculates the power dissipated by the switch 3. The processor calculates the temperature at points in the switch die from the measured temperature and the dissipated power, using a look-up table and an algorithm. If the highest calculated temperature exceeds a preset limit, the switch 3 is opened or another device is actuated to prevent damage.
Patent GB-2316545-A (GB)
Title: Seismic cable retrieval systems
Inventor: DUDLEY TIMOTHY A
IPC: H02G1/10
Filed: 1997-08-20
Abstract: An apparatus supported by a vessel (14) for removing a seismic cable (12) and attached buoy (10) from water (15) comprises a clamp (24) for gripping the cable (12) and attached buoy (10) connected to a boom (16). The boom (16) manoeuvers the clamp (24) into engagement with the floating buoy (10), lifts the buoy (10) from the water (15), and moves the buoy (10) horizontally relative to the vessel (14). A cable puller (30) can cooperate with the boom (16) to reel the cable (12) from the water (15) without requiring manual intervention. The boom (16) can comprise an extensible, telescoping structure or an articulated structure. Multiple cable ends can be independently captured to permit cable installation or repair, and the operations can be facilitated with a control panel for operating the moving components.
Patent GB-2329949-A (GB)
Title: A shaft for centering and engaging one or more tubes
Inventor: MARIN GIANCARIO
IPC: B23B31/16
Filed: 1997-10-01
Abstract: A shaft (1, Fig 1) for centering and engaging tubes 9, 10 of different diameters comprises a plurality of cavities 4 disposed circumferentially of the shaft, each cavity containing a movable pin 6 surrounded by a movable collar 3, means 2 being provided for moving each pin and collar radially outwardly against the tubes. The collars 3 are capable of moving a first distance beyond the circumference of the shaft; the pins 6 are capable of moving a second distance beyond the first distance. The shaft centers a first tube 9 by means of the collars 3 and pins 6 and centers a second tube 10 of a larger diameter by means of the pins 6. The same shaft can thus be used for tubes of different diameters.
Patent GB-2343176-A (GB)
Title: Tapping device for a cork
Inventor: BERESFORD KEITH
IPC: B67B7/86
Filed: 1997-10-29
Abstract: A tapping device includes a spout 6 fixed to a hollow shaft 1 with screw threads 7 around its length. The device may include a hand grip 5 as part of the spout to assist rotation. The device may include an air inlet 2 and a filter 4, and may be made from metal or plastic.
Patent GB-2319240-A (GB)
Title: Horizontal linear induction motor transfer of elevator between elevator frame and landing bogey
Inventor: WAN SAMUEL C
IPC: H02K41/025
Filed: 1997-11-12
Abstract: An elevator system comprises an elevator frame (43, Fig. 1) vertically movable in a hoistway (43H, Fig. 1), a cab 13 mounted on a wheeled carriage 15 and a wheeled bogey 28 adapted to move along tracks (29, Fig. 1) on a landing (36, Fig. 1). A pair of rails (40, Fig. 1) are mounted on the elevator frame to extend substantially across the hoistway, the rails spaced to cooperate with the wheeled carriage. A similar pair of rails 25, 26 having the same spacing are mounted on the bogey. The wheeled carriage has a pair of wheels 19, 23 at each corner. The carriage can move between the elevator frame and the bogey when the rails of each are aligned adjacent one another. Horizontal motion of the carriage is provided by linear induction motors having active primaries 60 disposed on the elevator frame and the bogey, and passive secondaries 68 disposed on the carriage. Motor control is in response to position signals provided by position transducer means e. g. magnetostrictive linear displacement transducers 63 on the car frame and bogey reacting to permanent magnet marker blocks 78-80 on the carriage. Further preferred features include rails adapted to overlap each other, guide rollers 89, 90 on the carriage having vertical axes to roll along the inside edge of each rail and urethane coated wheels.
Patent GB-2324261-A (GB)
Title: Gripping accessory
Inventor: MCLEOD ALISTAIR
IPC: B25B23/10
Filed: 1998-03-02
Abstract: A gripping accessory 1 comprises a body having first 2 and second 3 ends. The first end 2 of the body is connectable to the shaft of a screwdriver at its tip, while the second end 3 of the body is sized to receive the head of a screw and has a gripping formation 5 to hold the screw head in place. The portion 30 of the body connected to the shaft of the screwdriver is a spiral.
Patent GB-2324665-A (GB)
Title: VTR tuner assembly with rejection of modulator harmonics in tuner channel
Inventor: SAITO MASAHIKO
IPC: H04B1/18
Filed: 1998-04-07
Abstract: Low pass filters 18 and 19 are inserted before the mixers 12,15 in the UHF and VHF receiver channels in a video tape recorder tuner. The filters reject harmonics emanating from the modulation carrier signal generator 9, which is enclosed in the same metal housing as the receiver circuits. The filters are added because the harmonics from the modulation carrier signal generator 9 can mix with local oscillator 13,16 harmonics to produce interfering modulation products in the desired signal frequency band.The filters may be of m-derived type or may be constant-k T,L or Pi sections.
Patent GB-2331188-A (GB)
Title: Cable and hinge containing cable for laptop computer
Inventor: CHOI BYUNG YONG
IPC: H01R35/02
Filed: 1998-06-23
Abstract: A cable 100 has two offset parallel parts 110, 120, joined by a bridging part 130. Each parallel part may end in a connector 110a, 120a. A hinge may include a hollow bushing 200 having slits 203 205. The bridging part of the cable may be rolled and inserted into the bushing with the parallel parts 110, 120 of the cable extending through the slits. When the hinge operates the parallel parts may roll round the bushing. The bushing may be supported in the hinge between a lap-top computer body 17 and its display 19.