baber/WOPTO huggingface dataset:
Patent GB-2059604-A (GB)
Title: Evaluation circuit for a transducer
IPC: G01R27/26
Filed: 1980-09-26
Abstract: A variable inductance coil L1 and a reference inductance coil L2 are connected in series with one another and with a resistor R7 in the collector circuit of transistor T whose base is connected via a voltage divider R5, R6 to the output of a comparator K. The inverting input A of the comparator is connected to a fixed voltage divider R1, R2 and, via a diode D1, to the collector of the transistor T. When transistor T conducts, A is held at a low potential and the current in resistor R increases until the voltage at point B falls below the voltage at A, whereupon the transistor is blocked and the decay current flows through diode D2. The resulting potential at point D between L1 and L2 depends only on the ratio L1/L2 and is integrated on a capacitor C1. Temperature and other adverse influences on L1 and L2 cancel out. <IMAGE>
Patent GB-2089918-A (GB)
Title: Quick-connect coupling
IPC: F16L37/23
Filed: 1980-12-19
Abstract: This invention relates to a quick- connect coupling of the kind comprising a main tubular body 1, a tubular adaptor 2 which is a sliding fit into the bore of the main body and is in the form of a spigot which is provided near its free (head) end with a groove 25, locking balls 4 provided in the main body and biased so as to project into said bore and, thereby, locate in the radial groove 25 of the adaptor when fitted, and a sleeve 5 slidably mounted on the main body and normally biased to a first axial position in which it prevents the locking means from retracting to thereby lock the coupling parts together, the sleeve being slidable to a second axial position to free the locking means. The object of the invention is to provide such a coupling with simple secondary locking means whereby inadvertent release of the coupling parts is virtually impossible. The invention is characterised in that the secondary locking means comprises mating elements (preferably screw threads 26, 27), provided on the sleeve and main body respectively, which are arranged so as to engage together upon a rotational movement of the sleeve relative to the main body when the sleeve is in its said first axial position. <IMAGE>
Patent GB-2092759-A (GB)
Title: Apparatus for Inspecting or Treating the Interior of a Pipe
IPC: G01M3/00
Filed: 1981-02-11
Abstract: A mobile camera 1 or treatment device for use within a large diameter pipe comprises a vehicle body arranged to move along the pipe in a series of steps, each step describing a semi-circle, the camera or treatment device being so mounted relative to the vehicle body as to traverse the pipe at substantially a constant level with respect to the interior of the pipe. The vehicle comprises a body 16 carrying two shafts 6 rotated by a motor 5, eccentric pins 8 carried by discs 7 on the shafts engaging in serrated side plates 11 to cause the plates 11 to move bodily with a semicircular motion through 180 DEG in the anticlockwise direction whilst the body 16 rests on the floor. Continued rotation of the pins 8 causes the body 16 to be lifted and translated during the subsequent 180 DEG  rotation of the pins. Cams 13 on shafts 6 are profiled to maintain the camera 1 level with the floor by cooperating with the lower ends 14 of camera supports 15. <IMAGE>
Patent GB-2070067-A (GB)
Title: Magnetic Sintered Compositions Containing Iron Cobalt and Chromium
IPC: B22F3/00
Filed: 1981-02-19
Abstract: A method is disclosed for producing magnetic articles comprising Fe, Cr, and Co from powders comprising elemental or alloy particles. A powder is mixed with an essentially noncarbonizing organic binder, compressed, heated to remove binder, sintered, and aged. Heating results in essentially complete removal of binder prior to sintering.   Magnetic bodies produced according to the disclosed method typically comprise less than 1 weight percent of undesirable nonmagnetic phases and have a maximum energy product of at least 7957.7T (A/m) (1 million gauss oersted). Suitable binders include fatty acids of molecular weight greater than 180, or derivatives of such acids, e.g. stearic acid, stearamide and others. Other suitable binders include polymers, e.g. methacrylate polymers and polyethylene glycols.
Patent GB-2069966-A (GB)
Title: Winch driving arrangement
IPC: B66D1/22
Filed: 1981-02-25
Abstract: A reversible differential gear comprising a drive spindle 2 an eccentric or cam 3 mounted on the spindle to rotate therethrough, an inner sprocket 4 mounted on the eccentric or cam, an outer sprocket wheel 5 loosely mounted on the spindle, a slide 6 fixedly mounted on the inner sprocket 4 and slidable in a recess 8 in a slide retaining plate 7 capable of a longitudinal movement and preventing the slide from rotation, the inner sprocket 4 moving one tooth over the outer sprocket at each revolution of the shaft and an output drive or sprocket integral with the outer sprocket 5 to provide a self sustaining reversible gear. <IMAGE>
Patent GB-2075602-A (GB)
Title: Method and apparatus for utilizing the heat of vaporization in the production of energy and pure water
IPC: B01D3/00
Filed: 1981-04-15
Abstract: According to the method the gaseous substance is conducted into a compressor 6, 7 where it is compressed in a thermally insulated environment 3. The compressed gaseous substance is conducted into a pressure chamber 12 where it is cooled by means of a first heat exchanger (by means of incoming gaseous substance in duct 5) such that part of the compressed gaseous substance is condensed into liquid water its heat of vaporization being thus supplied to the incoming gaseous substance. The condensed water is allowed to emerge from the pressure chamber via a second heat exchanger 16 for recovery. The compressed gaseous substance is conducted from the pressure chamber into a turbine 8 for propelling the same. <IMAGE>
Patent GB-2077385-A (GB)
Title: Expansible fastening plug for masonry
IPC: F16B13/10
Filed: 1981-05-21
Abstract: A fixing plug (2) with an internally or externally threaded end for achoring in a masonry bore (8) which is widened outwards (9) at its bottom end, is tubular and its bore 3 tapers sharply in the anchoring portion 4, so that when an expansion pin 6 with a rounded end (7) is driven into the plug bore it engages the tapered part (4) of the plug bore to expand the anchoring portion into the widened portion (9) of the masonry bore. <IMAGE>
Patent GB-2102683-A (GB)
Title: An automatic pacemaker for sports
Inventor: BUTTERFIELD PETER GEOFFREY MOY
IPC: A63B69/00
Filed: 1981-07-15
Abstract: An automatic pacer is for use along a swimming lane or an atheletics track. In swimming it is set up along the length of a swimming pool. A loop (2) of nylon rope is driven in either direction by a low voltage DC reversible electric motor through a drive pulley (9) in a control unit (10). A brightly-coloured float (1) is incorporated in the loop and is propelled up and down a track or lane between end pulleys (6, 7) or end stops, clamped to hand rails (8) at each end. Spring- loaded arms (11, 12) with pulleys (13, 14) through which the rope (2) is threaded take up any slack in the rope, and a switching unit sensitive to the positions of the spring-loaded arms causes the motor to reverse when one arm moves due to a sudden increase in rope tension experienced when the float (1) reaches an end. A swimmer follows the float (1) while swimming in a parallel lane. The float moves at a constant speed, but the control box (10) may programme changes in speed, periods of rest between lengths, and different speeds for different strokes or lengths. <IMAGE>
Patent GB-2103801-A (GB)
Title: Assessing lifetime of duct by measuring fluid pressure and temperature within the duct
Inventor: STARR FREDERICK
IPC: G01M99/00
Filed: 1981-08-04
Abstract: Sensors in the duct sense the pressure and temperature of the fluid at several points along the duct. The sensors emit voltages which are multiplexed and converted to pulse frequencies at 1. The pulses are counted over a fixed time to determine a value for the pressure and temperature in a microcomputer 1 which is programmed to calculate hoop stress  sigma  from the pressure values and  sigma  is used to determine the relevant value of the Larson Miller parameter P from values thereof stored as a calibration curve against  sigma . The computer then calculates the overall lifetime tr from the equation:-   <IMAGE> where T is the temperature in  DEG A and C is a constant. C can be taken as being equal to 20 and the life fraction tF(m) of the duct used up between sequential signal samples of the same temperature sensor is determined by the computer from the equation:-   <IMAGE> where t1 is the time of the last or current sample, t2 is the time of the last but one sample, and tr1 is that value of tr derived from the current temperature signal. The computer 1 integrates tF(m) to determine the overall fraction  SIGMA tF(m) of the life of the duct used upon in the period when the duct has been carrying fluid. Failure of the duct is indicated when  SIGMA tF(m)=1. <IMAGE>
Patent GB-2094111-A (GB)
Title: Information transmission systems
IPC: H04L25/48
Filed: 1981-09-14
Abstract: An information transmission system in which binary coded information is transmitted over a frequency- dispersive path, for example an optical fibre path, such that the binary coded signals are degraded to multilevel signals, the receiver of the system including a partial response regenerator to recover the binary coded signals from these multilevel signals.
Patent GB-2095739-A (GB)
Title: Curb for a skylight
IPC: E06B1/36
Filed: 1981-10-02
Abstract: A skylight mounted on an opening in a roof has a peripheral curb (20) of rigid thermoplastics material (e.g. PVC) with a flexible thermoplastics (e.g. PVC) gasket integral with it. The gasket may be (48) compressible against the edge of the glass or plastics dome or panel (50) adapted to contact a retainer (22) or (60) adapted to contact and seal between the curb and a support wall (12). The curb may be provided with two recesses (11A, 13A) at its bottom which permit a snap engagement of the inner and outer aluminium walls (11, 13) which form the support for the curb. <IMAGE>
Patent GB-2113431-A (GB)
Title: Computer based technique
Inventor: HILMI FARIEDUN RAFIQ
IPC: G06Q40/00
Filed: 1981-12-04
Abstract: A system is generated using a computer. The required output or form of the system is expressed in Boolean logical terms and the logic processor of the computer operates on the terms to produce a sequence of steps representing the system expressed in logical terms. This sequence of steps is designed to produce the required output from a basic input or inputs. The logical sequence can be converted to a physical form or representation using the system generator of the computer.
Patent GB-2096686-A (GB)
Title: Door locking mechanisms for security enclosures
IPC: E05B65/00
Filed: 1981-12-30
Abstract: The locking mechanism for the door of a safe or the like has sets of bolts (36, 37) and (42, 43) thrown from the side edges of the door and sets of bolts (39, 40) and (45, 46) thrown from the top and bottom edges. The four bolt sets are thrown and withdrawn together by a central thrower (6) to which they are linked by respective drive rods (7-10). The side bolts are arranged in opposed pairs (36, 42) and (37, 43) and the top and bottom bolt structures carry abutment bars (51, 52) which, when thrown, are placed between the inner ends of the side bolts in the opposed pairs so that each side bolt in a pair is effective in resisting forced retraction of the other. Two locks (3, 4) are provided to lock up the thrower (6) when thrown and to block the retraction of rods (25, 26) carried together with the top and bottom bolt structures. Preferably one lock (3) is a combination lock and can operate means to block the key-hole of lock (4), (Fig. 2, not shown), when either lock is locked, the driving handle for thrower (6) is disconnected. <IMAGE>
Patent GB-820219-A (GB)
Abstract: 820,219. Nuclear reactor control rods. GENERAL ELECTRIC CO. Ltd. June 21, 1957 [June 27, 1956], No. 19976/56. Class 39(4). Nuclear reactor control rods are formed of carbon and an element having a high neutron capture cross-section, such as cadmium, gadolinium or boron. In one embodiment coke powder, pitch and boron carbide are mixed and baked at 1100‹C., by the process described in Specification 595,759 [Group V] and then ground to shape.
Patent GB-2097163-A (GB)
Title: Vend possible judgement device for a vending machine
IPC: G07F5/24
Filed: 1982-03-18
Abstract: A stored coin and bill number counter unit (15) counts up the numbers of deposited coins and bills for respective denominations and counts down the numbers of paid out coins and bills for the respective denominations and thereby obtains the numbers of coins and bills for the respective denominations stored for paying out of change. A comparison and operation unit (14) primarily judges whether vending is possible or not by comparing the amount of the deposited coins and bills with the set vend price and obtains the amount to be paid out as change by calculating difference between the deposited amount and the set vend price. A change payout permission judgement unit (18) judges whether payout of the amount to be paid out as change is possible or not by utilizing the numbers of the coins and bills of the respective denominations calculated by the counter unit (15) and, if such payout is possible, permits ultimately vending of an article corresponding to the set vend price on condition that the comparison unit (14) had judged, with respect to the particular set vend price, that vending is possible. <IMAGE>
Patent GB-2118892-A (GB)
Title: Moulding panels for plaster cladding
Inventor: GRANT BRIAN THOMAS
IPC: B28B1/52
Filed: 1982-04-23
Abstract: Plaster cladding suitable for walls or ceilings comprises a precast fibre reinforced panel (1) having a smooth and uniform exposed faced which is ready, for example, for painting. Fibre reinforcement may take the form of a coherent fibrous mat (2) or short, discrete fibres randomly dispersed in the panel (not shown). In both cases glass fibres are preferred. Processes for manufacturing such a panel (1) are described in which a fibrous mat (2) is sandwiched between two successively cast layers of plaster (3, 4) in a suitable mould, or alternatively, plaster containing randomly dispersed fibres is allowed to set in a mould. The cast panels may be L-shaped, Figs. 2, 3 (not shown). <IMAGE>
Patent GB-2123131-A (GB)
Title: Gas containers
Inventor: SKIDMORE MICHAEL
IPC: F17C1/00
Filed: 1982-06-29
Abstract: A gas container 1 has a closure valve 2 at one end thereof, through which gas can be released from the container 1 into a removeable container of liquid which is required to be aerated. A bursting disc 3 is mounted at the end of the container 1 remote from the closure valve 1. Both ends of the container 1 are tapped internally, thereby enabling the closure valve 2 and the bursting disc 3 to be removed so that the container 1 can easily be purged. <IMAGE>
Patent GB-2125410-A (GB)
Title: Masticating agents for rubber
Inventor: SCHUBART RUDIGER
IPC: C08K5/375
Filed: 1982-08-09
Abstract: Compounds of the general formulae I and II:   <IMAGE>  wherein R represents a C1-C12 alkyl radical or a C6-C10 aryl radical which may be substituted by C1-C4 alkyl, hydroxy, C1-C4 alkoxy or halogen, and  X represents oxygen or sulphur, are used as masticating agents for natural and/or synthetic rubber latex.
Patent GB-2118449-A (GB)
Title: Dissolving gas in a liquid
Inventor: GARRETT MICHAEL ERNEST
IPC: B01F5/10
Filed: 1982-11-01
Abstract: Liquid containing aerobic micro- organisms is withdrawn from near the bottom of tank 2 through pipes 22, mixed with incoming sewage for treatment, and oxygenated. The oxygenated streams containing bubbles of undissolved oxygen are injected as jets from submerged nozzles 34 into submerged, open-ended, tubular chambers 36 each having a convergent upstream portion 38, an intermediate mixing portion 40 and a divergent decelerating downstream portion 42. The jets induce flow of surrounding liquid into the convergent portions 38 of the chambers and the turbulence so created helps to dissolve the bubbles such that the relatively slow moving liquid leaving the decelerating portions 42 of the chambers 36 contains relatively few bubbles. An open-topped chamber 52 may be positioned at the bottom of the tank to prevent laterally deflected liquid from the bottom of the tank creating turbulence at a region of the tank 2 near to the boundary between a lower volume 14 of sewage containing aerobic micro- organisms and an upper volume 16 of clarified liquid and thereby preventing clarification being disturbed. <IMAGE>
Patent GB-2129489-A (GB)
Title: Catalyst arrangement in i.c. engine combustion chambers
Inventor: CROWTHER PHILIP AUBREY THORNTO
IPC: F02B51/02
Filed: 1982-11-03
Abstract: A fuel injection compression ignition engine has a plurality of projections 8 or depressions arranged in the combustion chamber 9. The projections or depressions are coated with a film of a catalyst comprising one of the platinum group metals or a compound thereof to influence the combustion process. <IMAGE>
Patent GB-2130381-A (GB)
Title: Method for detecting floating portion of facing such as mortar
Inventor: NAKAGAWA HARUO
IPC: G01N25/72
Filed: 1982-11-13
Abstract: A method is provided to detect a floating portion of a facing such as mortar, tiles or the like, provided on the surface of a building. Sunlight radiating onto the outer surface of the floating portion, causes a temperature difference between the floating portion and the normal portion of the facing which is detected with an infrared radiometry apparatus which forms a thermal image or photograph of the temperature profile of the facing thus enabling the faulty facing to be repaired.
Patent GB-2120515-A (GB)
Title: Rotatable platform
Inventor: GRAHAM JOHN ARTHUR
IPC: A01K1/12
Filed: 1983-03-16
Abstract: A rotatable platform which comprises a rotatable member (2) supported over a base (1) by a fluid (3) such as air or water. The rotatable member (2) has a loading deck (5). In one application when the platform is used for supporting animals during milking the loading deck is provided with a plurality of bales defining stations for milking animals. <IMAGE>
Patent GB-2118478-A (GB)
Title: Filaments, yarns and fibres based on polyvinyl chloride
Inventor: ARCHARD GEORGES
IPC: D01F11/06
Filed: 1983-03-24
Abstract: The present invention relates to filaments, yarns and fibres consisting of 75 to 92% of polyvinyl chloride and 8 to 25% by weight of acrylic polymer. After shrinkage in boiling water, the said filaments, yarns and fibres possess a tenacity of at least 20 cN/tex, preferably at least 25 cN/tex, an elongation less than 60%, preferably less than 50%, and a residual shrinkage in boiling water less than 5%, preferably below 2%. These filaments are obtained by wet spinning, double stretching, stabilization under tension, and free shrinkage. They can be used for the production of woven and knitted fabrics and the like, which are capable of being dyed at the boil.
Patent GB-2121243-A (GB)
Title: Conductor spacers
Inventor: MOORE EDWIN B
IPC: H02G7/12
Filed: 1983-04-29
Abstract: In a conductor spacer for multi- conductor electrical overhead transmission lines the conductor clamps are mounted resiliently on their support body by means of resilient bush assemblies. The bush assemblies each comprise an elastomeric bush 40 embraced between inner 41 and outer 45 sleeves, the outer sleeve being secured to the bush by securement means extending inwardly from the outer sleeve, e.g. by punching apertures with inwardly deformed edges. Where the body of the spacer comprises hollow component half- shells 13, 14 the inner sleeve of the bush assembly together with the clamp arm 25 can be used to hold the half-shells together. <IMAGE>
Patent GB-2149223-A (GB)
Title: Phase switches
Inventor: RYCROFT CHRISTOPHER MICHAEL DA
IPC: H01P1/18
Filed: 1983-11-04
Abstract: An input and an output are connected by selectable transmission lines all of equal pathlength (i.e. as measured in wavelengths) and each comprising an E-plane rotating element all rotators being of equal pathlength but differing in rotation capabilities. As shown, an input and an output are connected by a pair of finlines either of which may be selected by means of the switches 23. The lines are of equal length and contain rotators 14B, 14T of equal length. Rotator 14T is constructed to provide a crossover of the line elements and achieves a rotation of 180 DEG . Rotator 14B is of symmetrical construction and rotates the incident wave first through + 90 DEG  then through - 90 DEG . It is apparent that the lengths of the rotators, expressed in terms of wavelengths, are equal. The phase-shifts of the live paths differ by 180 DEG . <IMAGE>
Patent GB-2134470-A (GB)
Title: Paddle device
Inventor: RYDSTROM HANS
IPC: B63H1/32
Filed: 1983-11-30
Abstract: A drive for a boat includes a propulsion body (6) provided to fulfil a reciprocating cyclical movement relative to the boat in a path substantially parallel to the fore- and-aft direction of the boat under the water level. The propulsion body is provided with at least one flap (7, 8) which has an edge portion which can be swung out and which may be swung between a position substantially along the fore- and-aft direction and near to a surface of the propulsion body referred to as the longitudinal position, and a position substantially perpendicular to the fore-and-aft direction, referred to as the drive position. <IMAGE>
Patent GB-2134786-A (GB)
Title: Improved analgesic and anti-inflammatory compositions comprising caffeine and methods of using same
Inventor: SUNSHINE ABRAHAM
IPC: A61K31/485
Filed: 1983-07-21
Abstract: Novel analgesic and anti-inflammatory compositions of matter for use in eliciting an analgesic or anti-inflammatory response, said compositions comprising caffeine together with a selected non-narcotic analgesic/nonsteroidal anti-inflammatory drug or a selected narcotic analgesic, or both. When used in combination with the selected drugs, caffeine enhances the analgesic or anti-inflammatory response and also hastens its onset.
Patent GB-2167348-A (GB)
Title: Sheet-gripping device
Inventor: BRIDGE GILLIAN DEL
IPC: B42F1/00
Filed: 1984-08-31
Abstract: The invention provides a device which can be operated with one hand, both for the insertion and for the removal of a sheet. One embodiment includes a composite member including a flat portion (1) and a curved portion (2) having a serrated edge (3). A further flat member (6) is hingedly connected to the member (1) at (7). A leaf spring (8) urges the surface of the member (6) into engagement with the serrated edge (3). In alternative embodiments, the device is made of a single composite member, the flat portion being urged resiliently into contact with the edge by the resilience of the material, which may be synthetic resin, or may be metallic, e.g. steel or aluminum. <IMAGE>
Patent GB-2148866-A (GB)
Title: Method and system for producing carbon fibers
Inventor: MULLEN CHARLES KENNETH
IPC: D01F9/32
Filed: 1984-10-15
Abstract: High tensile carbon fibers are provided with a high yield process in which, after oxidation of a precursor, the fibers are first precarbonized in an inert atmosphere to about 600 DEG C, while imparting 5-10% stretch. In precarbonizing, the fibers are initially heated in a sweeping manner with substantial volumes of hot inert gas which is extracted along with products of decomposition before the fibers are cooled to a low, non-reactive exit temperature. The arrangement minimizes redeposition of tars on the fibers and stretches the fibers in a range in which substantial off-gassing occurs. Thereafter the fibers are finally carbonized at a higher temperature with a different tension being applied, to provide a more reliable less sensitive process that enables oxidation to be effected more rapidly. <IMAGE>