baber/WOPTO huggingface dataset:
Patent GB-2070474-A (GB)
Title: Sanding machine
IPC: B24B21/12
Filed: 1980-05-20
Abstract: An endless belt 1 of abrasive material passes around three rollers 2, 3 and 4 such that a flight 6 of the belt 1 between the rollers 3 and 4 confronts a conveyor 5 on which articles to be sanded are transported. A fourth roller 13 urges the flight 6 of the belt towards the conveyor 5. One of the rollers is driven by a motor 7 through the intermediary of a pulley 8, a transmission belt 9 and a further pulley 10, the pulley 8 at least having a variable effective diameter to enable the transmission belt 9 to be adjusted. In an alternative arrangement (Figure 2), a plurality of fourth rollers (13, 18, 19 and 20) having different degrees of surface hardness are selectively engageable with the flight 6 of the abrasive belt 1 to suit the characteristics of the article to be sanded. <IMAGE>
Patent GB-2053606-A (GB)
Title: Improvements in and relating to semiconductor switching circuits
IPC: H03K17/0412
Filed: 1980-05-29
Abstract: A semiconductor switching circuit is arranged to switch current from a power source 30 through a load 31 in response to switching control signals applied to first and second semiconductor switching devices, such as transistors 32, 33. The first and second transistors are connected in series and the first transistor 32 generally has a higher voltage rating but lower inherent switching speed than the second transistor. A voltage limiting means, such as a further transistor 41, effectively limits the voltage across the second transistor 33 so that its voltage rating is not exceeded and also so as to remove stored charge in the base region of the first transistor 32 which would otherwise tend to hold the transistor on. This technique increases the switching speed of the circuit and allows a high voltage and current, handling device to be selected for the first transistor, and a high current, high speed device to be selected for the second transistor. The further transistor 41 may be replaced by an avalanche or zener diode, or the transistor may be an FET. <IMAGE>
Patent GB-2070441-A (GB)
Title: A scoring screen for use as a training aid for sports activities
IPC: A63B63/00
Filed: 1980-09-01
Abstract: The scoring screen 1 is placed at the rear portion of a soccer goal and extends the entire length and breadth of the same. The screen is formed with a plurality of compartments 3, each of these being filled with loose bag-like mesh 4. A player shooting at the screen is given positive visual feedback about the accuracy of his shot. <IMAGE>
Patent GB-2058540-A (GB)
Title: Sausage stuffing apparatus
IPC: A22C11/00
Filed: 1980-09-15
Abstract: The apparatus comprises an external casing formed by a lower base plate 1 and by an upper removable cover 3 having an inner cavity 8 surmounted by a head 9 passed through by a supply duct 10 and by a delivery duct, the latter communicating with a rotatable stuffing tube, on which a tubular casing is mounted. A rotor 24 including a pair of vertical cylinders 28 and 29, in which respective pistons 32 and 33 are slidingly housed, is inserted in said inner cavity and rotated to put cyclically said cylinders in communication with said ducts, which have freely open vertical ports 12 and 13. The movement of the pistons in the respective cylinders is controlled by a plate 36 at adjustable tilt, which can be displaced from the outside of said casing. After each delivery stroke the stuffing tube is rotated to form links between the sausages. <IMAGE>
Patent GB-2058505-A (GB)
Title: Channel selector for television receiver
IPC: H03D7/16
Filed: 1980-09-25
Abstract: A channel selector for a television receiver having a fixed broad band RF section 12, 13, 16 for passing a plurality of channels, and a MESFET mixer 20, 67 for converting a selected channel in the band of signals from the RF section to a high intermediate frequency substantially greater than 45 MHz. The high intermediate frequency is disclosed as 300-400 MHz and is selected by an acoustic surface wave filter 28. The intermediate frequency is chosen so that twice the intermediate frequency exceeds the bandwidth of the RF section. The signals at the high intermediate frequency are converted at 32 to a low intermediate frequency (45 MHz) for amplification. <IMAGE>
Patent GB-2085428-A (GB)
Title: Process for the preparation of cyclopropane derivatives
IPC: C07C69/743
Filed: 1980-10-09
Abstract: A process for the preparation of a compound of the general formula:   <IMAGE> in which each of Y<1> and Y<2> independently represents a fluorine, chlorine or bromine atom; each of R<1> and R<2> independently represents a hydrogen atom or an alkyl group having up to 10 carbon atoms, or R<1> and R<2> together represent an alkylene group having from 2 to 5 carbon atoms; and X represents a carboxylic acid ester group, a cyano group or a group CO.NR<3>R<4> in which each of R<3> and R<4> independently represents a hydrogen atom or an alkyl group; which comprises reacting a compound of the general formula:   <IMAGE> wherein Y<1>, Y<2>, X, R<1> and R<2> have the meanings given for the general formula I, with a compound of the formula: P(NR2<5>)3 (III) or P.OR<5>.(NR2<5>)2 (IV), in which each R<5> independently represents an alkyl group, and a compound of the formula CHal4 (V), in which each Hal independently represents a chlorine or bromine atom. Compounds (I) may be hydrolysed to the corresponding cyclopropanecarboxylic acid compounds.
Patent GB-2069604-A (GB)
Title: Exhaust gas manifold assembly for engines
IPC: B63H21/32
Filed: 1981-02-17
Abstract: The assembly comprises a main manifold 4 with two separate discharge passages leading to adjacent outlets 6a 6b and an adaptor manifold 5 with two inlets 5a and 5b and providing separate passages to the supercharger 11. For an unsupercharged engine the outlets 6a and 6b are connected to a common outlet pipe (15), Fig. 6 (not shown). <IMAGE>
Patent GB-2073070-A (GB)
Title: The dressing of workpiece surfaces by a rotatary tool
IPC: B24B17/04
Filed: 1981-03-31
Abstract: In a method of dressing a cylindrical surface (such as 26) of a workpiece e.g. a tool an image (5Im) of the workpiece is projected on to a screen (20), in a position such that the center of the arc of a circle corresponding to the surface (26) coincides with the crossing point of crossed index lines (21) provided on the screen (20). This crossing point of the index lines (21) coincides with the trace, on the screen (20), of an axis of rotation (Z), in endwise view, of a support of a dressing grinding wheel (7) mounted on the frame of a machine. Then, said support is rotated about said axis of rotation (Z) to cause the dressing wheel (7) to effect a rotatary movement, during which its cutting point (28) traverses a circular trajectory. The dressing tool is movable relative to the support in two mutually perpendicular directions, perpendicular to the axis (Z). These directions are marked on the screen and are used for adjusting the dressing tool for dressing straight parts of the workpiece. <IMAGE>
Patent GB-2079665-A (GB)
Title: Mould for casting eyeglass frames
IPC: B29C61/00
Filed: 1981-04-23
Abstract: A casting mould M for eyeglass frames comprises mould halves, 10, 10a including backing supports 28, 26 to which are fitted replaceable parts 32, 30, each part having a moulding cavity therein supplied with casting material via a runner in at least one of the mould halves. <IMAGE>
Patent GB-2078109-A (GB)
Title: Antimicrobial composition
IPC: A61P31/04
Filed: 1981-05-18
Abstract: Antimicrobial compositions comprise a mineral acid salt of a benzophenanthridine alkaloid and a non-toxic metal salt of an acid in a suitable solvent vehicle. The composition is suitable for the prevention and treatment of infections and diseases in mammals and is particularly in the form of a dentifrice. The alkaloid may be chelerythrine, sanguinarine, protopine and/or homochelidonene and the salt is preferably stannous fluoride, zinc chloride and/or sodium fluoride. <IMAGE>
Patent GB-2100057-A (GB)
Title: Method of forming conductive tracks in a semi-conductor body by annealing
IPC: H01L21/263
Filed: 1981-05-27
Abstract: A method of forming conductive tracks (4) in a semiconductor device comprises providing a compound semiconductor body, bombarding the compound semiconductor region with ions to form at least one layer (1, 2) having a lower electrical conductivity, and selectively heating localised tracks (4) in the bombarded layer of the compound semiconductor region using a focused energy beam e.g. an electron beam (3) to anneal the localised tracks and thereby restore their electrical conductivity to provide conducting tracks (4) in the electrically insulating bombarded layer (1, 2). The method can produce tracks in each of two layers (1, 2) with either interconnections or insulated cross-overs. <IMAGE>
Patent GB-2083026-A (GB)
Title: Production of alkylene glycols
IPC: C07C29/10
Filed: 1981-08-11
Abstract: An epoxide is reacted with water to produce a glycol in the presence of carbon dioxide and a tertiary phosphine.
Patent GB-2083205-A (GB)
Title: Mounting vanes in a duct
IPC: F24F13/08
Filed: 1981-08-25
Abstract: Apparatus for mounting inside an air-conditioning or heating duct at for example a right-angle corner, includes a plurality of hollow aerofoil section vanes (1) (one only shown) which are fitted over upturned tabs (14) in a mounting track (13), the track being arranged to be attached to the inner surfaces of the duct. Each tab (14) is of curved cross section and is of a width such that it is in three-point contact with the inside of its respective vane (1) over the whole depth of the tab (14). This results in relatively firm location of the vanes prior to their being fitted inside the duct. Additional location of the vanes (1) is provided by notched ridges 21. <IMAGE>
Patent GB-2106361-A (GB)
Title: Apparatus for handling a fishing line
Inventor: JACOBSEN KEVIN NILS
IPC: A01K91/18
Filed: 1981-09-22
Abstract: Apparatus for handling a fishing line 15 having hooks 16 spaced apart along it, such as is used in "long line" fishing, when the line is hauled in from the sea, comprises a rail-member 24, a sheave 14 for hauling the line in a direction at an angle to the rail- member 24 and a guide-member 13 which is engaged by successive hooks of the line as it is hauled, to guide the hooks into engagement with the rail- member, whereby the movement of the line at an angle to the rail-member causes the hooks to slide along the rail-member 24 so as to separate them from the line and feed them towards a storage rail 53. <IMAGE>
Patent GB-2087650-A (GB)
Title: Thin film transistor
IPC: H01L21/84
Filed: 1981-11-18
Abstract: A method for preparing a thin film transistor comprising a gate electrode 2, a source electrode 5, a drain electrode 5, an insulating layer 3 formed on the gate electrode, and a semiconductor layer 4 formed on the insulating layer, the ends of the semiconductor layer being connected to the source and the drain electrodes comprises the step of forming a photo-resist layer 96 which is exposed to ultraviolet radiation or radiation whose energy is higher than the extreme ultraviolet rays to form a photo-resist pattern 8 which is used to prepare the source and the drain electrodes. <IMAGE>
Patent GB-2091436-A (GB)
Title: Dye Imbibition Imaging Material and Process for Forming Positive Dye Images
IPC: G03F1/56
Filed: 1981-12-08
Abstract: A dye imbibition imaging material comprises a support bearing, in sequence, (a) a cationic mordant layer for an anionic dye and (b) a sensitized photohardenable layer containing a photosensitive polyesterionomer. A continuous-tone positive dye image is obtainable with this material by a process comprising the steps (1) imagewise exposure to activating radiation and (2) treatment with a solution of an anionic dye, whereupon dye is imbibed into the mordant layer (a) through the imagewise hardened layer (b). If desired the exposed layer (b) can be developed to remove the less exposed portions thereof before the step (2) is carried out. The dye image can subsequently be transferred by diffusion to another layer containing a mordant of greater mordanting power for the dye than that in the layer (a).
Patent GB-2093918-A (GB)
Title: Fuel control system for a gas turbine engine
IPC: F02C9/28
Filed: 1982-01-18
Abstract: The system comprises a main fuel controller which varies the fuel flow to the engine in accordance with the engine pressure ratio and an idling fuel control arranged to control to a constant value of engine HP rotor speed. In the embodiment a variable bleed orifice 52 is allowed to reduce the control pressure which operates the main fuel valve 19. <IMAGE>
Patent GB-2104064-A (GB)
Title: Manufacture of  beta -acetylpyruvic acid alkyl esters
Inventor: HOLLFELDER HELMUT
IPC: C07C69/716
Filed: 1982-05-07
Abstract: beta -Acetylpyruvic acid alkyl esters are manufactured by reacting dialkyl oxalates, acetone and alkali metal alcoholates at -10 DEG C to +20 DEG C in the presence of an inert aromatic hydrocarbon solvent, to form an alkali metal  beta -acetylpyruvic acid alkyl ester from which the desired product is liberated by adding an inorganic acid or a gaseous hydrocarbon halide. The process is simpler than, and gives improved yields compared with known processes using alcohol solvents.
Patent GB-2099051-A (GB)
Title: Railway crossing
IPC: B23K25/00
Filed: 1982-05-14
Abstract: A railway crossing includes a crossing nose V-piece having two sections formed by welding together two short sections 1, 2 each formed as a rolled product of a work hardenable manganese steel, said sections 1, 2 being secured together to form a nose by through-thickness electro-slag or other welding 3, utilising as a filler metal a material having compatible work hardening properties to the material of the rolled sections, the welded construction being austenised and quenched to induce the work hardening properties of the rolled sections and the weld metal. The nose V-piece is secured to rail legs 4 as by bolting or by welding at 5. <IMAGE>
Patent GB-2100037-A (GB)
Title: Operation of information systems in particular for undergoing mining
IPC: E21F17/18
Filed: 1982-05-18
Abstract: An information system provides remote measuring and supervision of machines, operating processes, and operating conditions as well as the automatic or partially automatic processing and representation of the data in control rooms and/or sub-control rooms. The data or parts thereof to be relayed are returned to the underground workings via remote transmission devices and are recorded, stored, and displayed there by mobile receiver sets. The receiver sets may also be equipped for relaying data and information to control rooms. The information is transmitted via radio or cables. In mining, supervisory staff below ground may in particular follow the development overtime of important operations from a large area of the underground workings as well as evaluate and supplement information. Additional stationary projection or display boards may supplement the information.
Patent GB-2098990-A (GB)
Title: Production of allyl esters of brominated phenols
IPC: C07C41/16
Filed: 1982-05-21
Abstract: A process for the production of allyl ethers of brominated phenols is described, wherein technical-quality phenols are reacted with allyl chloride in the presence of alkali metal hydroxide or alkali metal carbonate in glycol ether(s) as the solvent, and wherein preferably the molar ratio in respect of phenol:allyl chloride is from 1:1.1 to 1.5 or in respect of diphenol:allyl chloride, from 1:2.2 to 3.0.
Patent GB-2102964-A (GB)
Title: Meters
Inventor: GREWAL NAROTAM SINGH
IPC: G01K17/06
Filed: 1982-07-30
Abstract: A meter providing data for use in checking fuel consumption of a building heating system comprising: means setting a reference temperature (9); timing means (5); means for reading the temperature outside the building at predetermined intervals (1, 3); means for accumulating the values of the products of any difference, in a given sense, between each outside temperature reading and the reference temperature, and the duration of the preceding interval (7, 11); and means for producing an output representative of the value of the accumulated products (13). <IMAGE>
Patent GB-2112350-A (GB)
Title: Robot
Inventor: WOODALL DAVID JAMES
IPC: B25J9/04
Filed: 1982-08-18
Abstract: A robot has a linearly movable tubular arm (14) having interfacing plates (10, 12) at each end for mounting component handling devices or tools. The arm (14) is supported by rollers (22) in a housing (16) and is driven by an open-loop microcomputer controlled stepper motor (24) via a linear belt drive mechanism including a toothed belt extending the length of the arm (14) and fixed at each end thereof. The housing (16) is supported on a pair of rotational drive assemblies each including a stepper motor controlled by the microcomputer. All three stepper motors are powered by a single motor drive unit which is switched from one motor to the next by the microcomputer. <IMAGE>
Patent GB-2129848-A (GB)
Title: Well apparatus
Inventor: RUSSELL LARRY R
IPC: E21B34/14
Filed: 1982-11-01
Abstract: A tubular body connected at its ends in a pipe string to be lowered into a well comprises annular bladder accumulator 71 containing oil and nitrogen precharged at the surface and brought to its final pressure by external downhole pressure applied around the bladder through port 33 and valve 31. This pressure, when reaching a predetermined value, assists spring 48 to lift lock plugs 36 thereby shearing pins 37 and cutting off communication with the downhole pressure. Pressure differential between the accumulator pressure and downhole pressure acts on a piston further down the body to perform a function such as controlling a ball valve in the central passage. Means are also described for thereupon locking this piston, also mechanical and wireline means for cutting off communication with downhole pressure. A free-floating piston 71a arrangement can replace the bladder. <IMAGE>
Patent GB-2119843-A (GB)
Title: Liquid storage tanks
Inventor: CARN WILLIAM ROSKELLEY
IPC: F17C13/12
Filed: 1982-11-23
Abstract: A storage tank for a volatile inflammable liquid is provided with an attachment fitting to which an elbow assembly can be attached to support a tapping machine. If the tank primary vessel fails, liquid retained by a secondary containment vessel can be drained out by using the tapping machine to make a hole through the attachment fitting and vessel walls. The attachment fitting is installed, when the tank is built, without impairing the integrity of the primary or secondary vessel walls or providing a hole therein.
Patent GB-2114417-A (GB)
Title: Production of shaped food products
Inventor: SMADAR YECHIEL
IPC: A23L7/109
Filed: 1982-12-24
Abstract: A process for the production of shaped food products from comminuted, granulated or chopped foodstuffs comprises preparing a slurry with a binder, a gelling agent and a bivalent ion releasing material adapted to gradually interact with the gelling agent to form slurry of sufficient viscosity to allow shaping of the product. After shaping the product can be further treated, for example it can be breaded. The foodstuff used can be any of meat, fish, seafood, vegetable and fruit. Preferred binders are cellulose ethers, optionally mixed with another gum. The preferred gelling agents are alginates & the ion releasing material is preferably a calcium salt. The slurry may also contain extenders (such as starch), sequestering agents, and pH controlling agents (such as weak organic acids).
Patent GB-2115811-A (GB)
Title: Ergot alkaloids
Inventor: BOLLIGER GEORG
IPC: C07D457/04
Filed: 1983-02-14
Abstract: 1-aryl ergot alkaloids and their acid addition salts thereof are indicated for use as an anti-parkinson agent, anti-depressant, neuroleptic, vigilance increasing agent or for the treatment of senile dementia. Aryl includes heteroaryl and may be substituted.
Patent GB-2121681-A (GB)
Title: Windscreen wash system with electrical heating means
Inventor: KEEN JOHN
IPC: B60S1/52
Filed: 1983-05-06
Abstract: A windscreen wash system for attachment to a wiper blade or arm or for use in association therewith comprises a tube 5 connectable at one end to a fluid reservoir by means of connector 6, and a duct 9 provided with fluid discharge orifices 10, the tube and duct having an electrical resistance heating element 8 extending therein. The duct may be secured to a wiper blade or arm by means of clips 11. <IMAGE>
Patent GB-2143487-A (GB)
Title: Transferring articles
Inventor: POLEY JOHN
IPC: B65G47/52
Filed: 1983-07-21
Abstract: Apparatus is provided by which articles being conveyed along a first path (42) in one direction are redirected and conveyed in another direction along a second path (34, 36, 38, 40) which is not parallel to, nor in the same direction as the first path. The apparatus has a transfer conveyor (18) moving between the two paths, with catchment devices (26, 28, 30, 32) which take an article from one path and move it to a position above the other path. Interception occurs here, and the article is removed from the catchment device onto the second path. <IMAGE>
Patent GB-2124379-A (GB)
Title: Improvements in or relating to ultrasonic testing
Inventor: CORNFORTH ALEXANDER RANKIN
IPC: G01N29/07
Filed: 1983-07-22
Abstract: A method of ultrasonic testing tubular products 4 comprises locating at least one ultrasonic transducer probe 1, 2 on each side of and directed at each other across an area of the product to be tested; transmitting ultrasonic pulses from a probe on one side of the area to be tested and detecting reflections of such pulses, indicative of defects in the product, which reach a predetermined first, lower sensitivity level 5, 6; transmitting pulses from a probe on the other side of the area and detecting reflections of such pulses, indicative of defects in the product, which reach said first level of sensitivity, and detecting reflections of pulses from the probes on both sides of the area, indicative of defects in the product, both of which reach a second higher level of sensitivity 8, 9 at or about the same time. The method is said to improve the detection of short non-welded areas e.g. penetrators or skip-welds. Provision is made for testing the acoustic coupling between the transducers and calibration is performed using calibration tubes with test notches. The transducers may be mounted for rotation about the tube. <IMAGE>
Patent GB-2126956-A (GB)
Title: Structuring surfaces of materials by means of laser radiation
Inventor: HEUMANN ERNST
IPC: B44C1/22
Filed: 1983-08-04
Abstract: The surfaces of materials which do not adsorb laser radiation are structured by bringing the surface, which is to be structured and which is remote from the source of laser radiation into contact with a metal surface or the surface of another material which does absorb the laser radiation and passing the laser radiation through the material whose surface is to be structured onto the metal surface or other material which absorbs the radiation.
Patent GB-2126992-A (GB)
Title: Reversing direction of sheet travel
Inventor: STRUTT JOHN RICHARD
IPC: B65H5/06
Filed: 1983-09-21
Abstract: A sheet transport for reversing the direction of travel of a sheet comprises a direction reversing guide consisting only of an outer, curved surface 29 and spaced drive rolls 90, 91 and 94, 95 and 113, 114 for conveying sheets along said surface. It is stated that an inner guide surface is rendered unnecessary enabling easier access to stalled or jammed sheets. <IMAGE>