baber/WOPTO huggingface dataset:
Patent GB-1287510-A (GB)
Title: Improvements in or relating to the continuous casting of metals
IPC: B22D11/06
Filed: 1970-12-21
Abstract: 1287510 Continuous casting machines CREUSOT-LOIRE 21 Dec 1970 [26 Dec 1969] 60669/70 Heading B3F A method of continuous casting metals in the form of a band or strip comprises injecting the molten metal between two cooled cylinders 1 and 2 rotating in the direction of injection of the metal, and maintaining the cast strip S against the periphery of one of the cylinders until it is completely solidified. The metal is introduced to the nip between the cylinders by a graphite nozzle 5 and is confined between lateral cheeks 8 pressed against the sides of cylinders 1 and 2 by springs 9. An electric heating resistance 12 is located within each cheek 8. The peripheral speed of the cylinders is selected so that the strip confined between the cylinders and the lateral cheeks has a still liquid core. After emerging from the nip between the cylinders the strip is further cooled by water sprays 24 and is removed from the cylinder 1 by a scraper 14. The cylinders may be cooled by an inner water circulation or by means of a refrigerating agent, e.g. a liquefied gas, used either as the inner cooling fluid or in the form of a bath in which the lower part of each cylinder is immersed, or it may be sprayed on to the periphery of the cylinders. The cylinders are cleaned by water sprays 26 and 28 and rotating brushes 27 and 29. In addition, the cylinder 2 has lubricant applied to it by a roller 30 to prevent adhesion of the strip thereto. In an embodiment, Fig. 5, gravity determines which cylinder supports the cast strip. Molten metal is supplied to the nozzle 5 through a passage 6 from a tundish (7) in which the level of molten metal is maintained at a point higher than that at which the nip of the cylinders is located, said level being measured by means of a photo-electric cell (31) which controls the movement of a tilting ladle (35). The rotational speed of the cylinders may be controlled in dependence upon the temperature of the cast strip immediately above the nip or in dependence upon the reaction of the strip on the cylinders. The latter may be determined by mounting the bearings of the shaft of cylinder 2 in slides retained in position by springs. After removal from the cylinder 1, the cast strip is passed through pulling and straightening rollers 15 and 16, a furnace 17, heating elements 19 and a rolling mill 21 and is trimmed by circular shears 22.
Patent GB-1330509-A (GB)
Title: Manufacture of semiconductor devices
IPC: H01L23/488
Filed: 1970-12-22
Abstract: 1330509 Semi-conductor devices SEMIKRON GES FUR GLEICHRICHTERBAU UND ELEKTRONIC mbH 22 Dec 1970 [23 Dec 1969] 60754/70 Heading H1K A manufacturing process in which semi-conductor devices, e.g. diodes, are contacted on opposite faces comprises forming two sets of contacts 11, 21, from electrically conductive sheet material, the contacts being joined to longitudinally continuous bands 10, 20 by transversely extending conductors 12, 22, the sets of contacts being brought into an overlapping pair relationship suitable for holding the wafers. Following insertion of the wafers, they may be soldered to the contacts and embedded in insulating material, the conductors being cropped to form electrodes. The contacts &c. may be formed from two separate conductive sheets, or initially from the same sheet in an interdigitated manner, The two bands may be held together during the contacting process by spot welding. One set of conductors may have a portion thereof bent out of the plane of the sheet in order that both sets of conductors lie in a common plane. To improve holding and soldering one set of contacts may have circular recesses 13 and apertures 14. The conductive material may be of copper, brass or an iron-nickel-cobalt alloy, and the contacts, &c. be formed by punching or etching. Various designs of contacts and conductors may be used for produce half and full bridge rectifiers.
Patent GB-1335998-A (GB)
Title: Production of chlorinated ethylene derivatives
IPC: C07C21/04
Filed: 1970-12-23
Abstract: 1335998 Preparation of trichloroethylene and other chlorinated ethylene derivatives ELECTRO-QUIMICA DE FLIX SA 23 Dec 1970 24 Dec 1969 61180/70 Heading C2C Trichloroethylene is produced in a multistage process comprising: (1) preparing 1,2- dichloroethane by chlorinating ethylene at 15-80‹ C. in a packed reactor (as defined) containing liquid 1,2-dichloroethane, into which the ethylene is fed together with a dry chlorinating agent which is chlorine containing 0-50% by volume of gaseous hydrogen chloride; (2) preparing vinyl chloride by dehydrochlorinating 1,2-dichloroethane from stage (1) at 200-400‹ C. in a reactor charged with a catalyst of BaCl 2  on activated carbon; (3) preparing 1,1,2-trichloroethane by chlorinating vinyl chloride at 10- 90‹ C. in a packed reactor containing liquid 1,1,2-trichloroethane into which vinyl chloride from stage (2) is fed together with the chlorinating agent specified above and any acetylene produced in stage (2) and fed with the vinyl chloride being chlorinated at the same time; (4) preparing 1,1-dichloroethylene and both 1,2- dichloroethylenes by dehydrochlorinating in the vapour phase 1,1,2-trichloroethane from stage 3 at 200-400‹ C. in a reactor charged with the catalyst defined above for stage (2); (5) preparing 1,1,2,2-and 1,1,1,2-tetrachloroethanes by chlorinating the mixture of the three trichloroethylenes from stage (4) at 10-90‹ C. in a packed reactor as in stage (1) containing 1,1,2,2-tetrachloroethane, into which said mixture is fed together with the chlorinating agent defined above; (6) preparing trichloroethylene by dehydrochlorinating the mixed tetrachloroethanes from stage 5 at 100-300‹ C. in a reactor charged with the catalyst defined above for stage (2). Pentachloroethane may be prepared by chlorinating trichloroethylene prepared above in a concentration higher than 85% by wt. with out separation at 50-110‹ C. in a packed reactor containing liquid pentachloroethane by means of the chlorinating agent utilized above; this pentachloroethane may be dehydrochlorinated at 80-300‹ C. in a reactor charged with the catalyst employed in stage (2) above to give perchloroethylene.
Patent GB-2029023-A (GB)
Title: Yarn tension meter
IPC: G01L5/10
Filed: 1978-08-25
Abstract: Apparatus for measuring the tension in a running yarn 1 while minimising friction with and damage to the yarn comprises a rotating guide 11 which intermittently brings the yarn into contact with a force transducer 7 situated between the guide 11 and a fixed guide 3.   <IMAGE>
Patent GB-2008158-A (GB)
Title: Improvements in Winding Apparatus
IPC: B65H59/38
Filed: 1978-11-30
Abstract: This invention relates to winding apparatus for winding cable or the like within predetermined tension limits. Such apparatus effects tension control by controlling the speed of the motor. In such applications, a.c. motors tend to overheat and can breakdown. According to the invention, the apparatus comprises an a.c. motor for controlling the torque applied to a shaft on which a cable spool can be mounted, and a fan arranged to direct cooling air continuously towards the motor during operation. The fan thus augments the cooling effect of the fan on the end of the motor shaft, if fitted, and provides a cooling air-flow when the a.c. motor is temporarily stopped.
Patent GB-2040571-A (GB)
Title: Electric switch contact assembly
IPC: H01H11/06
Filed: 1979-01-11
Abstract: A switch contact assembly for a combined ignition switch and vehicle steering lock comprises an insulating base having an aperture 13 formed therethrough, an electrically conducting element 16 located within said aperture and accessible at both sides of the base, and a retaining member 26 located within said aperture for engagement with said conducting element 16. The retaining member 26 comprises a pair of elastically deformable hooks 35, 36 which return to a normal position after the member 26 is pushed fully home and engage one surface 23 of the base after insertion of the retaining member 26 into the aperture 13 through the other surface 19. <IMAGE>
Patent GB-2015458-A (GB)
Title: A Handling System Incorporating Turntables
IPC: B65B35/00
Filed: 1979-02-14
Abstract: In a system having at least two wrapping machines (V1 and V2) and a stand-by wrapping machine (V3), there are provided row arrangers (AR1, AR2) by means of which the incoming articles to be packed are arranged in a row on a revolving table (11) and are fed to the wrapping machine (V1, V2). If one of the wrapping machines (V1, V2) should fail, the articles are fed by deflector arms (151, 152) and conveyor belts (13, 14; 17, 18; 19) to the revolving table (11) of a stand-by machine (V3) which takes over the work of the defective machine until the latter commences operation. <IMAGE>
Patent GB-2017572-A (GB)
Title: Method of Producing Hydrophilic Threads or Fibres
IPC: D01F6/54
Filed: 1979-03-22
Abstract: In a method of producing threads or fibres having increased water retention from an acrylonitrile homopolymerisate or an acrylonitrile mixed polymerisate by dry-spinning or wet-spinning of a spinning solution, compounds of the following groups of substances are added to the spinning solution: polyamides, polyvinyl alcohol, polyamines, polyurethanes, polycarbamates, polystyrene, polyvinyl carbonate, polymethylene oxides, polyethylene oxides, polypropylene oxides, polyvinyl acetates or low-molecular copolymers of such oligomers, respectively, as well as cellulose esters and ethers and/or starch derivatives, having a molecular weight of at least 2,000 to at most 10,000.
Patent GB-2023282-A (GB)
Title: A light-curtain means
IPC: G08B13/183
Filed: 1979-04-09
Abstract: A light-curtain having a plurality of light emitting devices (S1 to Sn) on one side of a monitoring area (1a) and a plurality of light detecting devices (M1 to Mn) on the opposite side of the monitoring area (1a). Both sets of devices can be energized by pulses generated from an oscillator (2) such that said devices are energized in pairs in cyclic manner. The output from the oscillator (2) is also applied to one input of a bistable (10). A counter stage (5) supplied by an oscillator (6) phase locked to oscillator (2) is arranged to generate a signal with the same signal sequence as is obtained from the light detecting devices (M1 to Mn) with an unbroken light curtain. The output from the oscillator (6) is applied to one input of a bistable (7). The other inputs of the bistables (7 and 10) receive outputs from the light detecting devices (M1 to Mn) and the counter stage (5) through exclusive OR gates (8 and 9). Monitoring means (11) compares the states of the two bistables an output signal is generated if they are different. The arrangement is arranged to check operation of the sources, detectors and circuits at least once during each cycle and if faults are detected cause generation of a control signal e.g. to shut down a press. <IMAGE>
Patent GB-2026179-A (GB)
Title: Reproduction apparatus
IPC: H02J7/02
Filed: 1979-05-30
Abstract: Mains powered reproduction apparatus (e.g. for transparencies of cine films) contains a transformer to which may be connected rechargeable battery powered apparatus (e.g. a still or cine camera or a flash unit). The reproduction apparatus comprises mains powered motor 1, transformer 2, low voltage lamp 3, and alternative coded sockets 8/9 and 8/10. On connection of battery powered apparatus 11/12, change-over switch 8a cuts off the current supply to motor 1 and lamp 3. <IMAGE>
Patent GB-2053446-A (GB)
Title: Exhaust gas anti-pollution control
IPC: F01N3/38
Filed: 1979-07-10
Abstract: Combustion products from fuel burning apparatus are treated for anti- pollution purposes prior to atmospheric discharge by passage through a chamber (22) within which the combustion products are mixed with moisture-laden air and ignited by electrical discharge of a spark plug (40) under control of the varying electrical conductivity of the mixture in the chamber. The chamber being electrically grounded establishes an electrical current path through the mixture of combustion products and moisture-laden air ionized by exposure thereto of a low voltage terminal (52) of an ignition coil assembly (44) having a high voltage terminal (42) to which the spark plug is connected. The mixture conductivity is varied by the inflow of moisture-laden ambient air through a restricted inlet (26) and the composition of the combustion products to produce self-regulating, intermittent combustion of the mixture. <IMAGE>
Patent GB-2028957-A (GB)
Title: Disconnectible joints
IPC: E04G7/30
Filed: 1979-08-03
Abstract: The invention provides a joint device for connecting two frame members together in axial alignment, one frame member having a preferably channel shaped joint member 30 forming a housing over a similarly shaped joint member 31 on the other frame member, pins 44, 45 passing through aligned holes in sidewalls of both joint members to hold them together. The jointing pins may be fixed by cotter pins 50 in holes 48. <IMAGE>
Patent GB-2059476-A (GB)
Title: A freely adjustable pin-tucking device for use in a pin-tucking machine
IPC: D06J1/02
Filed: 1979-09-18
Abstract: A guide board for use in guiding fabric into a pin-tucking or pleat sewing machine in which guide members 5 are freely detachable and replaceable to obtain a desired pattern of pin-tucking by simply removing and/or replacing some at least of the members 5. A lower guide board 1 is provided with grooves 3 which converge towards parallel grooves 2. Each groove 3 has a deeper portion 4 in which a leg 9 of a member 5 can be inserted. An upper board 20 has guide members 26 projecting therefrom. <IMAGE>
Patent GB-2036635-A (GB)
Title: Moulding video discs
IPC: B30B15/06
Filed: 1979-11-02
Abstract: A means for impressing a configured surface upon a thermoplastics foil has one of two convex surfaced resilient compensators 5 to maintain the stamper plates 6 in parallelism with the plastics foil during impressing. The compensators may be of a rubber paper or PTFE and may contain a thermally conductive material such as carbon black or metal powder. A preferred use for the invention is the manufacture of of video discs. <IMAGE>
Patent GB-2063494-A (GB)
Title: Load Sensing Means for Ropes and Cables
IPC: G01L5/10
Filed: 1979-11-10
Abstract: A tensile load sensing device for ropes and cables comprises a flexure bar 17 carrying a central guide block 12 and end guide blocks 22, 22 which engage and deflect the rope or cable 40 out of a linear path. The central guide block 12 is clamped to the rope or cable 40, and the flexure bar 17 is provided with electrical strain gauges 28 for measuring the bending thereof and hence the rope tension. <IMAGE>
Patent GB-2037914-A (GB)
Title: Gear selector mechanism
IPC: F16H61/18
Filed: 1979-11-28
Abstract: A shifting apparatus for a transmission of a vehicle comprising a shift lever operable left and right for travel to selection positions and front and rear for shifting gears, the shift lever being shiftable in one of the selection positions between a forward gear position and a reverse gear position. A projection is movable with the shift lever vertically in the selection operation and horizontally in the shift operation. A pivotable lock member is positioned in the vertical path of travel of the projection and the lock member and projection are provided with cam surfaces such that the lock member is pivoted, when the projection is moved, from a neutral position to an inoperative position. The lock member is held in its neutral position by a spring and in the inoperative position the shift lever is movable to the forward gear position and to the reverse gear position. When the projection is moved to the selection position, the cam surfaces are cooperatively engaged to pivotably move the lock member to its inoperative position and if the shift lever should then be moved to the forward gear position, the lock member is then pivotably moved by the spring to its neutral position at which any movement of the shift lever to the reverse gear position will cause the projection to engage a claw on the lock member. A stop member is fixed in the path of travel of the lock member to prevent pivotal movement of the lock member in this position and thereby prevent travel of the shift lever to the reverse gear position.
Patent GB-2069661-A (GB)
Title: Housings for isolator valves
IPC: F16K27/00
Filed: 1980-01-25
Abstract: A housing for an isolator valve comprises an internal frame part (3) which will in use be exposed to flue gas and an external frame part (1) which will in use be exposed to the atmosphere. The internal frame may be designed either in a number of sections with provision for relative movement therebetween due to differential expansion, or as a single section which expands relative to the external frame with change in temperature. <IMAGE>
Patent GB-2068743-A (GB)
Title: Jig-saw-type puzzle of a building
IPC: A63F9/12
Filed: 1980-02-08
Abstract: Photographs of a building taken from four sides at a uniform height are enlarged to model size required, and printed on to building material of a thickness 1/4"-3/8" to allow free standing, of inter-locking pieces. A base board depicting the surrounding grounds is supplied for building the model on.
Patent GB-2075023-A (GB)
Title: Synthetic rubber latex foams
IPC: C08L21/02
Filed: 1980-04-24
Abstract: Char resistant rubber latex foams are prepared from a synthetic rubber latex, especially S.B.R. or polybutadiene latex, by the inclusion of 5 to 30 phr of castor oil. The product foams are capable of passing the cigarette burn test laid down in B.S. 5852 Part 1, 1979.
Patent GB-2077446-A (GB)
Title: Set-squares
IPC: G01B3/56
Filed: 1980-05-22
Abstract: An adjustable set square which is set to a required angle with the aid of a protractor scale comprises a stock and a blade hinged together at one end and connected by two links which are pivotally connected a one end - one to the stock and the other to the blade - and pivotly joined together at the other ends, thus, in effect, forming a hinged parallogram. By virtue of this construction, any movement of the blade is duplicated by the opposite link, so that the protractor dial attached on the same pivot centre as the link indicates the angle set on the blade. The working corner of the set square is thus kept free of any projection or locking device which latter can be at some other point in the construction.
Patent GB-2056950-A (GB)
Title: Sterilizable package
IPC: B65D79/02
Filed: 1980-07-21
Abstract: A sterilizable package 1 comprises a packaging component 2 which is impervious to germs, liquid and gas connected to a packaging component 3 which is impervious to germs but permeable to sterilizing gas and/or steam. The packaging component 3 is provided with an indicator ink on at least one externally visible surface of the closed package 1 which changes permanently, e.g. changes colour or spreads, when it comes into contact with moisture so as to indicate that the contents of the package may no longer be sterile. <IMAGE>
Patent GB-2082022-A (GB)
Title: A device for detecting signals on a telephone network
IPC: H04M15/28
Filed: 1980-07-23
Abstract: A device for detecting signals on the telephone network, e.g. an electronic telephone call debiting meter (1) intended particularly for subscriber's telephone apparatuses (3). The call debiting meter (1) comprises a call detector (2) and a calculation and presentation unit (4) and it is connected between the subscriber's telephone apparatus (3) and the two conductors from the telephone office. When the subscriber lifts his receiver for making an outgoing call this is detected by the call detector (2) which in turn applies a feed voltage to the calculation and presentation unit (4), and also sets this unit to zero. The marking pulses which during the call are transferred from the telephone office to the subscriber's telephone apparatus (3) are detected in the call detector (2), which supplies a signal to the calculation and presentation unit (4). This signal causes an adjustable, preset marking rate to be added to an accumulator. The content of the accumulator is detected and presented on a manually readable indicator (10), which for example can be a liquid crystal display. The subscriber thus can continuously during the call or after the end of the call read the actual cost of the call. <IMAGE>
Patent GB-2081128-A (GB)
Title: Funnels
IPC: B67C11/02
Filed: 1980-07-24
Abstract: A funnel which allows for the escape of air from a container over a wide range of container sizes, comprises a truncated conical portion 11 and a spout 12, the cross-section of the spout 12 and at least the lower part 14 of the conical portion being polygonal, e.g. hexagonal. The conical portion 11 may contain a snap-fit circular filter plate. The funnel may be used in combination with an extension means comprising a tube 25 having an adaptor 22 at one end for receiving the spout 11 and having a nozzle 26 at the other end for receiving a hose. <IMAGE>
Patent GB-2083457-A (GB)
Title: Derivatives of Acetylsalicylic Acid and Substituted Phenylacetic Acids and Compositions Containing them
IPC: C07K5/06
Filed: 1980-09-11
Abstract: Aminoacid and peptide derivatives of the formula: A &lsqbstr& NH-R1-CO &rsqbstr& @ &lsqbstr& NH-R2-CO &rsqbstr& @NH-R4-COOH in which A, R1, R2, x and y have the meanings specified in claim 1 for formula I, and R4 is a residue of an  alpha -aminoacid which, when A is 4-allyloxy-3-chloro- phenylacetyl and x and y are 0, contains at least 2 carbon atoms, and their physiologically acceptable salts and lower alkyl esters. These compounds and 4-allyloxy-3-chloro-phenylacetyl-glycine have anti- inflammatory activity and pharmaceutical compositions containing them are described.
Patent GB-2061986-A (GB)
Title: Silicone resin coating composition
IPC: C09D183/04
Filed: 1980-10-02
Abstract: Thick, abrasion-resistant coatings can be provided on a substrate, e.g. a transparent substrate of a polycarbonate or polymethyl methacrylate, by depositing thereon an aqueous coating composition comprising a dispersion of colloidal silica in an aliphatic alcohol- water solution of a partial condensate of a silanol of the formula RSi(OH)3, wherein R is alkyl having from 1 to 3 carbon atoms or aryl, at least 70 weight % of the silanol being CH3Si(OH)3, said composition having a pH of 7.1 to 7.8 and containing 10 to 50 weight % of solids comprising 10 to 70 weight % of colloidal silica and 30 to 90 weight % of the partial condensate, wherein the composition contains from 0.1 to 1 weight % of hydroxypropyl cellulose or hydroxypropyl guar gum as a thickening agent. The thickening agents do not shorten the shelf life of the compositions, which would result if the solids content of the compositions were increased.
Patent GB-2090496-A (GB)
Title: Radar equipment
IPC: G01S13/10
Filed: 1980-12-31
Abstract: In a pulse radar the emitted pulse duration is variable e.g. to afford a longer pulse for longer ranges.
Patent GB-2086707-A (GB)
Title: Animal feed block made of molasses and calcium oxide and/or hydroxide
IPC: A23K10/33
Filed: 1981-01-22
Abstract: A substantially solid animal feed composition comprising a homogeneous dispersion of finely divided calcium oxide and molasses.
Patent GB-2091857-A (GB)
Title: Tunnel kiln
IPC: F27D99/00
Filed: 1981-01-24
Abstract: The invention is concerned with a kiln for the treatment of payloads which contain therewithin one or more combustible materials capable of being volatilized at or up to kiln furnace temperatures. In order to make use of the heat content of such volatile materials driven off the payload, these materials are arranged to flow in the direction of payload movement into the furnace zone (F) of the kiln where combustion takes place. Hot gases are removed in a region (E) of the kiln and include not only the normal combustion products of the furnace (F) but also the hot combustion products of the volatilized materials. These hot gases are returned to the kiln at one or more upstream locations for pre-heating the payload. <IMAGE>