baber/WOPTO huggingface dataset:
Patent GB-581475-A (GB)
Abstract: 581,475. Thermionic valves. M-O VALVE CO., Ltd., BELL, J., and STANNARD, H. D. July 24, 1944, No. 14144. [Class 39 (i)] [Also in Group XXII] In a valve having electrodes substantially in the form of coaxial cylinders, and in which the length of the grid does not exceed its diameter, the grid comprises a thin metal tube 3 soldered into a spigoted thick support tube 1 and grid wires 6 welded at their lower ends to the outside of the tube 3 and at their upper ends to the rim of the cup 5. The wires 6 are joggled at 7 so that the grid has the same internal diameter as the tube 3. The grid may be twisted through a small angle so that the wires are helically disposed. The tube 3 is of nickel, tantalum or molybdenum and the tube 1 of copper or copper-tellurium. Suitable dimensions for the assembly are given.
Patent GB-1439780-A (GB)
Title: High amylose retort starches
IPC: A23L29/00
Filed: 1973-12-17
Abstract: 1439780 Food thickeners NATIONAL STARCH & CHEMICAL CORP 17 Dec 1973 [21 Dec 1972] 58249/73 Heading A2 [Also in Division C3] A food product e.g. a pudding, pie filling, sauce, chicken gravy, mushroom soup, and baby food, adapted for retorting contains as a thickener a cross-linked, hydroxypropylated high amylose starch product from e.g. corn starch in which the starch contains at least 50% amylose has a hydroxypropyl MS of 0.10 to 0.30 and a cross-linking agent reacted with the hydroxypropylated starch to an extent characterised in that an aqueous dispersion containing 5.0 percent, by weight, of said starch product has a Brookfield viscosity measured at 75‹F between 0 and 1500 centipoises after being cooked at 5.0 per cent, by weight, starch product solids concentration, in a dry basis, in a pH 6.5 buffered salt solution at 180‹F for 25 minutes and standing at room temperature for 24 hours, and a Brookfield viscosity measured at 75‹F between 1500 and 10000 centipoises after being cooked at 5.0 per cent, by weight, starch product solids concentration, dry basis, in a pH buffered salt solution at 212‹F for 10 minutes followed by 15 minutes at 250‹F and after standing for 24 hours at room temperature, said viscosity after cooking at 250‹F being at least four times said viscosity after cooking at 180‹F (see Division C3). The crosslinking groups are preferably derived from epichlorohydrin or from phosphate (e.g. using sodium trimetaphosphate or phosphorus oxychloride).
Patent GB-1206808-A (GB)
Title: Apparatus for controlling the temperature of fluid in hydraulic circuits
IPC: F15B21/0427
Filed: 1967-12-28
Abstract: 1,206,808. 808. Automatic temperature control  systems. TOYODA MACHINE WORKS Ltd. Dec.28, 1967 [Dec.29, 1966], No.58962/67. Heading G3R. The temperature of oil operating say a machine tool is controlled at a determined difference above ambient temperature. An ail temperature thermister TH1 and an ambient temperature thermistor TH2 are connected in a bridge circuit which through an amplifier 24 controls an electric heater 3a or cooler 5 to maintain the oil in reservoir 1 at a valve set by resistor R3 above ambient. In an alternative arrangement Fig.5 (not shown) oil from a hot reservoir (28) and a cold reservoir (31) is mixed in a valve controlled by amplifier 24, and such arrangement may be multipled to a common cooler Fig.9 (not shown). Thermistors TH1, TH2 may be replaced by the combination of a PTC resistor (P1, P2) Fig.10 (not shown) and an NTC resistor (N1, N2) disposed in different arms of a bridge circuit to increase the change in bridge output.
Patent GB-1411576-A (GB)
Title: Apparatus and method for moulding
IPC: B29C45/14
Filed: 1972-12-21
Abstract: 1411576 Injection moulding WESTERN ELECTRIC CO Inc 21 Dec 1972 [27 Dec 1971] 59015/72 Heading B5A An article comprising longitudinally spaced blocks 12a moulded about parallel elongate inserts 13 (e.g. a wire spring relay comb) is injection moulded in a two-part mould having arcuate seats 16b, 17b engagable with opposite sectors of the inserts to grip them and to prevent distortion of the inserts and contact of the moulding material with the gripped sectors, and having moulding surfaces 16c, 17c between the arcuate seats forming channels to mould ribs 12c which interconnect the blocks 12a and are bonded to the ungripped sectors of the inserts. Sets 12 of blocks 12a are moulded, two at a time, at intervals along continuous lengths of wires 13 which are then severed to form the relay combs 11. The moulding material is fed through runner 27 to the central block cavity 16a and passes through the rib forming passages to the other block cavities 16a, and the interconnected blocks 12 are ejected by pins 23. Die inserts 24, 26 prevent flash running along wires 13 which are guided into and out of the mould by guide combs 29 having extended outermost teeth 29a forming centering guides for the assembly of wires. The mould is made by compressing a nickel steel powder containing up to 2% of a bonding metal (e.g. Mo, Mn or Nb), carbonizing in air, quenching in oil, and vacuum impregnating with a plastics material resistant to temperatures up to 600‹ F.
Patent GB-1152573-A (GB)
Title: Improvements in or relating to Rotary Fans.
Inventor: ELMER ARTHUR ERNEST HENRY
IPC: F16D43/25
Filed: 1965-07-15
Abstract: 1,152,573. Friction clutches. DYNAIR Ltd. 13 July, 1966 [15 July, 1965; 18 Nov., 1965], Nos. 59257/67 and 59258/67. Divided out of 1,152,572. Headings F2C and F2L. The subject-matter of this Specification is the same as that of Specification 1,152,572, but the claims are directed to a fan comprising a clutch controlled by a fluid-operated ram, the piston and the cylinder of which rotate respectively with the two parts of the clutch.
Patent GB-1291786-A (GB)
Title: Process for producing light conducting glass fiber
IPC: C03C25/10
Filed: 1970-12-29
Abstract: 1291786 Producing optical fibres NIPPON SELFOC KK 29 Dec 1970 [30 Dec 1969] 61556/70 Heading C1M In a method of producing an optical fibre by subjecting a rod or fibre consisting of a core glass containing ions (e.g. T1) which promote a high refractive index coated with a glass in which such ions are absent to a heat treatment to promote thermal diffusion so that some of the ions are exchanged for ions such as Li, Na, K, Rb or Cs in the coating glass which contribute towards a lower refractive index, the coating glass is chosen so that it has a viscosity higher than that of the core glass at the treatment temperature. Alternatively the composite rod or fibre 1 may be coated with a third material 2, which may be a metal, metal oxide, or graphite but is preferably glass, having a higher viscosity than the composite fibre. Preferably the coating glass or third material has a viscosity that is at least four times as high as that of the core glass or composite rod or fibre. The treatment may be carried out by feeding a rod 2 with coating layer 1 into a furnace 3, 4 and converting the rod into a fibre by drawing from the furnace at a speed higher than the feeding speed. The coefficient of expansion of the coating glass should differ from that of the core glass or comparative fibre by less than 50Î10<SP>-7</SP> per degree C., preferably 20Î10<SP>-7</SP> per degree C. Specification 1,266,521 is referred to.
Patent GB-2026122-A (GB)
Title: Sign post
IPC: E01F9/011
Filed: 1978-07-24
Abstract: A signpost comprises vertically and horizontally extending frame elements 3,2 which are mutually connected in order to form one or more compartments for accommodating signboards, each of the horizontal frame elements, at the ends thereof, being provided with securing means 10 comprising recesses 15 extending crosswise with respect to the longitudinal direction of the horizontal frame elements, and each vertical frame element having a hollow profile and in a side wall being provided with openings 17 for accommodating the securing means of the horizontal frame elements in such a way that the recesses of the securing means are arranged inside the vertical frame element or elements. A locking rail 18 is provided for each vertical frame element, the locking rails being provided with openings 21 of much a form that they allow accommodation of the securing means accommodated in the openings of the corresponding vertical element, movement of the locking rail with respect to the securing means allowing wedge means 23 of the locking rail to wedge into the recesses of the securing means. <IMAGE>
Patent GB-2034043-A (GB)
Title: Improvements in or Relating to Controls for Electrical Circuits
IPC: D06F34/32
Filed: 1978-10-09
Abstract: A touch pad comprising a plurality of touch pads 0, 1, 2 ...9, P, F located upon the upper surface of a dielectric material, and on the lower surface an energising electrode common to all the touch pads and a series of pick-up electrodes. Each touch pad is capacitively coupled to a unique combination of two of the pick-up electrodes so that contact with a touch pad produces a change in output from the unique combination to which the touch pad is coupled. Several of the touch pads 10 ... 13 may be used in conjunction with a microprocessor to control the heating rings or plates of an electric cooker. The microprocessor is programmed to respond only to contact with a touch pad of a duration greater than a predetermined value and less than another different predetermined value. <IMAGE>
Patent GB-2010497-A (GB)
Title: In-situ test and diagnostic circuitry and method for cml chips
IPC: G01R31/28
Filed: 1978-11-24
Abstract: An In-Situ Test and Diagnostic Circuit and Method to monitor the integrity of external connections of a current mode logic integrated circuit chip (inputs and outputs) as well as the integrity of the logic function thereof. The circuit comprises three parts: an "Open" Input Detector to detect open connections or connections that are becoming open between one chip and another; an Output Short Detector to monitor shorts at any chip output; and a Signature Test and Diagnostic circuit to determine if the logic function of the chip itself is operational. All the foregoing circuit parts are formed as an integral part of each CML chip and connected to an output terminal called a Test and Diagnostic Pin.
Patent GB-2010714-A (GB)
Title: Hydraulic power hammer
IPC: B25D9/18
Filed: 1978-12-04
Abstract: A hydraulic power hammer comprises a main body (1) having a tool (4) slidably inserted thereinto, throttle valves (1a) provided in the main body (1), a piston (9) slidably inserted into the main body (1) and abutting against the tool (4), a gas pressure accumulating chamber (13) defined in the main body (1) at the other end of the piston (9), an annular oil chamber (10) defined between the main body (1) and the piston (9), an annular oil passage (17) communicating with the oil chamber (10), a sliding valve (19) biased by the gas pressure of a gas in the gas pressure accumulating chamber (13) so as to normally close the annular oil passage (17), a valve chamber (15) communicating with the annular oil passage (17) only when the sliding valve (19) is moved to the uppermost position, an oil outlet chamber (14) communicating with the valve chamber (15), a narrow high-pressure oil chamber (16) provided adjacent to one end of the sliding valve (19), a projection (21) extended from said one end of the sliding valve (19) and inserted into the high-pressure oil chamber (16), and oil passages (18) effecting communication between the annular and high-pressure oil chambers (10, 16). <IMAGE>
Patent GB-2043536-A (GB)
Title: Improvements in document coding
IPC: B41F17/00
Filed: 1978-12-29
Abstract: A copying machine includes apparatus for colour coding documents reproduced in the machine. The apparatus can automatically mark successive sheets with mutually different colours in a pre-selected sequence as they are fed therepast and it comprises a plurality of printing rollers each of which can be selectively moved between active and inactive positions.
Patent GB-2016370-A (GB)
Title: Credit card, security documents and the like
IPC: B42D15/10
Filed: 1979-01-18
Abstract: A credential, such as a passport or an identification card, is provided, for example, by printing, coating or impregnation, with a phosphorescent composition which includes at least two phosphorescence activators having different emission characteristics with respect to both wavelength (colour) and lifetime (duration) so that, when the credential has been irradiated, it exhibits an afterglow which appears to change colour with time. In the phosphorescent composition, the activators are conveniently incorporated in a urea-formaldehyde or melamine- formaldehyde resin. The credential may take the form of a paper core (2) carrying visible identification information (4, 5) and surrounded by laminated-on transparent plastics material (3) the inner surface (6) of which has been printed with a pattern in a phosphorescent ink the afterglow of which changes from green to blue over a few seconds. <IMAGE>
Patent GB-2044900-A (GB)
Title: Incinerator and method for treating gases for removing impurities
IPC: F23G7/06
Filed: 1979-03-28
Abstract: The invention provides an incinerator and a method for treating gases for the removal of impurities by combustion characterized in that the gas to be treated is passed successively in heat exchange contact with at least two beds 7 of heat exchange material 18 between which it is heated by a burner 13 to a temperature sufficient to the cause combustion of said impurities, the gas being preheated by contact with said bed or beds 7 of heat exchange material 18 upstream of the burner, and giving up heat to said bed or beds of heat exchange material downstream of the burner 13, and the direction of flow of gas being periodically changed whereby said beds alternately serve to preheat gas and to absorb heat from gas which has been heated to combustion temperature by the burner 13. <IMAGE>
Patent GB-2045695-A (GB)
Title: Vehicle safety apparatus
IPC: B60R21/06
Filed: 1979-04-04
Abstract: A transparent plate (7) is disposed between a windshield (2) and a front seat (3) in such a way as to leave a given interval with respect to the windshield to reduce injury to an occupant in a collision. The plate (7) may consist of a stretchable film (e.g. of silicone rubber) between two glass layers, the layer facing the occupants being reinforced glass. A heater may be provided for heating and circulating air inside the space to prevent condensation.   <IMAGE>
Patent GB-2037643-A (GB)
Title: Machining process by electro-erosion and system for applying such process
IPC: B23H7/28
Filed: 1978-08-31
Abstract: Machining process by electro-erosion and system for applying such process, with machining of the bottom of the impression and machining of the flanks by lateral motion. An electrode (9) machines a piece (3). The feed of the drift (6) is controlled by a servo-control (13) according to the electrode-piece tension. The mechanism of the lateral motion (7) receives orders for increasing excitation according to the level reached by the electrode. This level is measured in a U tube (21) tilled with liquid and provided with conducting barbs which define the different levels. Application to machining by electroerosion particularly of complex-shaped pieces.
Patent GB-2022656-A (GB)
Title: Traffic Sign
IPC: E01F9/615
Filed: 1979-04-17
Abstract: A traffic sign having a weighted base 1 and upstanding support means 3 has a sign 2 of pliable plastics in which is embedded a warning lamp 11. The support 3 may be arranged to flex on impact. <IMAGE>
Patent GB-2025964-A (GB)
Title: Cyclopropane Derivative
IPC: C07C47/37
Filed: 1979-07-17
Abstract: Novel intermediate in the manufacture of pyrethroid insecticides has the following formula   <IMAGE> The compound preferably has the same stereoisomeric form as the cyclopropane ring in (+)-3-carene. The novel intermediate can be prepared by a process which comprises oxidising 2-(2-hydroxymethyl-3,3- dimethylcyclopropyl)ethanal dimethyl acetal, for example by means of a chromium trioxide-pyridine complex or a pyridinium chlorochromate. The starting material is preferably derived from (+)-3-carene.
Patent GB-2030138-A (GB)
Title: Preparation of long-chain carboxylic acids and alcohols and the use of an alcohol as a plant growth regulator
IPC: C07C29/147
Filed: 1979-08-30
Abstract: A process for the preparation of long-chain carbon compounds comprises:   a. reacting a carboxylic acid having 21 to 30 carbon atoms with a chlorinating agent to form the acid chloride; b. separating the acid chloride and reacting it with an enamine (e.g. 1- morpholino-cyclohexene) and a hindered tertiary amine in an organic solvent while maintaining the reaction temperature at 30 DEG to 60 DEG C;   c. removing the solvent and recovering the beta-diketone product; d. reacting the beta-diketone with a solution of an alkali metal hydroxide or alkoxide and an alcohol; and e. recovering the precipitated product, the salt of a ketocarboxylic acid.   The salt may be converted to the free acid, which may be reduced to the corresponding aliphatic acid and alcohol. A plant growth regulator composition comprises a substantially water-soluble solution of 1-triacontanol dissolved in a polar organic solvent, said polar organic solvent being present in an amount sufficient to render said concentrate water-soluble.
Patent GB-2034660-A (GB)
Title: Forward discharger for a pneumatic stowing conduit
IPC: E21F15/08
Filed: 1979-10-10
Abstract: A pneumatic stowing conduit consists of a number of sections 2. One section can be swung away from the next downstream section by an actuator in a cage 3, so that the conduit is open for the discharge of material. <IMAGE>
Patent GB-2042467-A (GB)
Title: Load handling device for varying the spacing of engaged articles
IPC: B21F27/16
Filed: 1979-12-14
Abstract: Apparatus for feeding a plurality of wire springs to a spring core assembling machine, includes a device for varying the mutual spacing of the wire springs in order to produce spring cores of varying width and having various spring properties. The apparatus comprises gripper arms (10a to 10h) for holding the springs (4) the gripper arms being mounted side by side on a gripper beam (12). The first gripper arm (10a) is fixedly connected to the gripper beam (12) while all the other gripper arms (10b to 10h) are mounted in a laterally movable manner on the gripper beam (12), the gripper arm (10h) furthest from the first gripper arm (10a) being connected to a drive member (18, 18a) which permits movement of the latter gripper arm (10h) on the gripper beam (12). Each gripper arm is releasably connected to the adjacent gripper arm by means of a distance limiting member (15) with two end stops (16, 17), so that anyone gripper arm (e.g. 10d) can be adjusted to two different spacings (A), limited by the end stops (16, 17) relative to the adjacent gripper arm, (e.g. 10e). <IMAGE>
Patent GB-2036870-A (GB)
Title: Regenerative Turbo Machine
IPC: F04D23/00
Filed: 1979-12-14
Abstract: The machine, typically a blower or exhauster, includes a rotor 21 having a set of blades 24 which are curved, and preferably of aerofoil cross- section, a manner which causes fluid flow passing through the set of blades to be turned with respect to the blades through an angle more than 90 DEG , preferably 100 DEG  to 140 DEG . The rotor is enclosed in stator structure 20 defining a toroidal passage 25 between inlet and outlet ports 26, 27 fluid flow in said passage following a path which forms a spiral centred within the cross section of the channel so that it passes through the set of blades more than once between the inlet and outlet. <IMAGE>
Patent GB-2052721-A (GB)
Title: Evaporative condensers
IPC: F28D5/02
Filed: 1980-01-22
Abstract: An evaporative condenser for condensing gases comprises a substantially horizontally arranged header (a), a plurality of substantially vertically arranged headers (b) a plurality of tubes (c) connected to each of the headers (b), said tubes being inclined to the horizontal and closed at their outer ends. The condenser is mounted in a casing provided with spray nozzles (f) and a fan. The arrangement disclosed produces a more effective condensation than conventional package type condensers and additionally enables cleaning of the individual tubes to be effected by removal of a panel (k) and utilising a rotary cleaning tool, operable by a slow speed electric drill. <IMAGE>
Patent GB-2043959-A (GB)
Title: Control apparatus for an automatic machine
IPC: G05B19/042
Filed: 1980-02-29
Abstract: Apparatus for controlling the operations carried out by an automatic machine having a plurality of actuating devices (6) driven by a source of motion (2) and each of which performs a predetermined operation during a production cycle of a product by said machine. The operation of the actuating devices (6), is controlled by an electronic circuit (5) which supplies electric signals to control units (8), each of which operates a respective one of said actuating devices (6). Synchronizing means (3) driven by said source of motion (2) supplies an electric synchronizing signal to said electronic circuit (5) so as to correlate the control signals supplied to respective control units (8) with the position adopted by the respective actuating device (6). <IMAGE>
Patent GB-2070502-A (GB)
Title: Method of making a composite structure
IPC: B29B15/08
Filed: 1980-02-29
Abstract: A method of making a composite structure comprises producing a resin impregnated fibre tape or sheet 13, which includes kinks or deformations. The tape or sheet being wound upon a former 12 which is then inserted into a mould 15. The former is then expanded such as to force the fibre in close proximity with the mould walls by virtue of the kinks or deformations allowing expansion of the tape or sheet. <IMAGE>
Patent GB-2046267-A (GB)
Title: Sorption of gases
IPC: C07F9/02
Filed: 1979-03-05
Abstract: Compounds of formula I are useful in the separation of a gas such as oxygen, hydrogen, sulphur dioxide, alkenes and carbon monoxide from a fluid comprising the gas.  I   Mn<II>LX2 In formula I: L represents a monodentate ligand of formula IA and X is species capable of existing as an anion  IA   PR<1>R<2>R<3> wherein R<1>, R<2> and R<3> which may be identical or different represent substituted or unsubstituted alkyl, cycloalkyl or aryl groups or hydrogen and X represents -Cl, -Br, -I, -CN, -NO2, -NO3, -OH, -CNS or -CNO, provided that no more than two of the groups R<1>, R<2> and R<3> are substituted or unsubstituted aryl groups and that at least one of the groups R<1>, R<2> and R<3> is a substituted or unsubstituted alkyl, cycloalkyl or aryl group.
Patent GB-2045116-A (GB)
Title: Coating pipes
IPC: B05C13/02
Filed: 1980-03-24
Abstract: In conveying a pipe through a coating zone (6) in which it is unsupported within the zone, being supported by the conveyors outwith the coating zone, the pipes (2-5) are connected end-to-end by releasable interior couplings (1) to form a continuous line of pipes for passage through the coating zone. A releasable pipe coupling Figures 2 and 3 is provided which is detachably securable at its periphery in the bore of one pipe to provide at one end of the pipe a peripheral projection (24) which is removably insertable into the bore of a second pipe to provide a seating for the second pipe. The coupling includes arcuate flanges (27) which engage with the inner wall of the first pipe by bringing together of support arms (14, 15) upon rotation of threaded spindle (13). <IMAGE>
Patent GB-2047721-A (GB)
Title: Coating composition
IPC: C08J7/046
Filed: 1980-04-14
Abstract: An aqueous coating composition is based on a mixture of melamine- formaldehyde resin, a colloidal silica and a mono-organo trialkoxy- or trialkoxyalkoxy- silane in a solvent system consisting of water and a water- miscible organic solvent and including a curing agent. When cured the coating composition forms an abrasion- resistant coating material for solid substrates.