baber/WOPTO huggingface dataset:
Patent GB-2022458-A (GB)
Title: Membrane diffusion device
IPC: A61M1/16
Filed: 1979-01-19
Abstract: A membrane diffusion device has a convoluted membrane defining first flow paths on one side and second flow paths on the opposite side. The membrane 14 is supported by a stiff backing folded along parallel fold lines into sections, so that each section lies in a corresponding pocket defined by the convolutions on one side of the membrane. The backing is provided with tabs 30 which are folded over and adhered to the body of the backing to double the thickness at the edge of the backing to define spacing gaskets along the edges of the sections for spacing the major parts of the sections apart, when the assembly is compressed into a stack. <IMAGE>
Patent GB-2053836-A (GB)
Title: Blister packs
IPC: B65D75/54
Filed: 1979-07-25
Abstract: A blister pack (1) comprises a stiff backing sheet (2) having a first portion (6) and a second portion (7), a blister (3) which is attached to the front face of the first portion (6) and which has a flap (10') adjacent the second portion (7), the second portion having at least one tongue (8) which is overlapped by the flap when the backing sheet is in a flat condition. The backing sheet is foldable about a fold line (4) between the first and second portions whereby the second portion extends rearwardly of the first portion and the tongue(s) projecting forwardly thereof, the free edge of the flap engaging the tongue(s) to hold the backing sheet in a folded condition in which the second portion and the tongue(s) serve as a stand for the pack. <IMAGE>
Patent GB-2030512-A (GB)
Title: Feed device for an extruder
IPC: B29C48/10
Filed: 1979-08-24
Abstract: The device feeds waste plastics material, particularly film, to an extruder (1, 19). A comminutor (3) chops up the waste, which is delivered to a storage hopper (8) through which part of the comminuted material is continuously re-circulated via a conveyor (10), an extruder precompressor (12), a suction line (15, 14, 16) and a cyclone separator (17) to improve the homogeneity of the mix. The suction line (15, 14, 16) maintains a predetermined level of fill in the feed hopper (11) of the precompressor (12), which is supplied by the conveyor (10), such as to maintain the discharge pressure of the extruder constant. This feature, together with the better homogeneity of the mix supplied to the extruder, allows the direct reproduction of blown plastics film (18) from waste film material. <IMAGE>
Patent GB-2043331-A (GB)
Title: Electrode for high pressure metal- vapour lamp
IPC: H01J61/073
Filed: 1979-10-09
Abstract: An electrode for a high pressure metal vapour lamp comprises a hollow helix 12 of refractory metal, e.g tungsten wire, projecting from an inlead, an open-wound overwind 13 on the helix providing quasi-point contact spacers between turns of the helix which gives rigidity with only minor increase in axial heat flow. In an embodiment wire 13 is 2-5 mils in diameter and wire 12 is 7 mils in diameter. Ball end 14 reduces tip erosion. The electrode has good spot transfer characteristics in moving the arc terminus to the tip and low energy loss in operation, and is suitable as cathode in a miniature d.c. metal halide lamp with or without alkaline earth oxide electron emitters. The turns of the helix may be torsionally preloaded to bias them together. <IMAGE>
Patent GB-2061063-A (GB)
Title: Telecommunications exchange
IPC: H04Q11/04
Filed: 1979-10-11
Abstract: A telephone exchange consists of a number of so-called layers, each of which includes one or more line switching units (LSU), on which the lines served terminate, and a single directional switching unit (DSU) on which junctions terminate. Each LSU has access to every DSU and each switching unit has its own control equipment LCE, CCE. The inter-unit connections, include signalling paths, and may use different channels on TDM-PCM links. To set up an "own exchange" call, any one of the DSU's may be used, the choice depending on, for instance, current traffic considerations. Thus a call other than a tandem call when set up crosses one only of the directional switching units. <IMAGE>
Patent GB-2035227-A (GB)
Title: Transporter for carrying live adult cattle
IPC: B60P3/04
Filed: 1979-11-02
Abstract: Such transporters are known. One kind is a single tier vehicle having a low centre of gravity and which is acceptable on Ro - Ro ships. However, the free space above the cattle constitutes wasted space and represents wasted money. Another kind is a two-tier vehicle of an overall height which is not within the maximum laid down in proposed new regulations and which has too high a centre of gravity to be handled by inexperienced drivers; also, it is unacceptable for Ro - Ro ships. According to the invention, a rear compartment 17 has a floor height above ground level which is between those of the compartments in an upper tier and a lower tier. The lower tier has two compartments 15, 16 and the upper tier has three 12, 13, 14. The arrangement of the compartments in a vehicle of four metres overall height gives very low centre of gravity. <IMAGE>
Patent GB-2035912-A (GB)
Title: Restoring oil paintings
IPC: B44D7/00
Filed: 1979-11-19
Abstract: A method of removing organic material when restoring oil paintings. Firstly, any existing non-specific enzyme activity is determined quantitatively, whereafter said activity is inhibited. The organic material is then dissolved enzymatically with an enzyme preparation suitable for the particular organic material to be removed. The enzyme preparation is carried on a carrier by adsorption or inclusion in a gel. The dissolved material is then removed and any residual enzyme activity is inhibited irreversibly. The method is suited for removing layers of varnish and over-paint and adhesive layers when relining textile supports of oil paintings.
Patent GB-2037833-A (GB)
Title: Antistatic compositions and treatment
IPC: D06M13/256
Filed: 1979-12-19
Abstract: A method of treating a surface, e.g. carpet, gramophone record, to reduce the static charging thereon which comprises applying a novel antistatic composition comprising a fluorinated anionic surfactant which is an amine salt of an acid containing a fluorinated organic radical and an antistatic agent which is an ionic salt of an amine, preferably in alcoholic solution.
Patent GB-2067183-A (GB)
Title: A process for the preparation by substitution of water insoluble organic compounds
IPC: C07C51/41
Filed: 1980-01-09
Abstract: A process for the preparation by substitution of a water insoluble organic compound having a melting point lying between 100 DEG C and 200 DEG C. The process is conducted with the reaction ingredients and water at a pressure above atmospheric pressure and at a temperature above the melting point of the desired product. The water with the by-products dissolved therein is separated from the desired product by decantation. The process is applicable to the preparation of insoluble metal salts of monocarboxylic acids from the acids, or from esters or triglycerides of the acids.
Patent GB-2067078-A (GB)
Title: Cricket bat
IPC: A63B59/08
Filed: 1980-01-10
Abstract: A cricket bat has a handle and a blade formed from extruded metal. A in method of manufacture is described. <IMAGE>
Patent GB-2039824-A (GB)
Title: Shaping Thermoplastic Double Plate Having Stays
IPC: B29C53/04
Filed: 1980-01-11
Abstract: A thermoplastic double plate with stays and channels inbetween is shaped by deep drawing, for example by vacuum forming, compressed air forming or forming in a moulding tool with a counter punch. To prevent the channels being compressed and the surface of the plate collapsing between the individual stays, the individual channels are sealed off before the double plates are shaped, the sealing off being achieved by squeezing, welding, or by means of sealing elements.
Patent GB-2051836-A (GB)
Title: N,N,N',N'-tetramethyl-1,6- hexanediamine as polyurethane catalyst
IPC: C08G18/18
Filed: 1980-02-06
Abstract: Covers a method of producing a polyurethane particularly a polyurethane foam, by utilizing N,N,N',N'-tetramethyl-1,6- hexanediamine as a catalyst in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst.
Patent GB-2047928-A (GB)
Title: Means and Method Within a Digital Processing System for Prefetching both Operation Codes and Operands
IPC: G06F12/02
Filed: 1980-04-18
Abstract: In a digital processing system, a memory stores instructions defining logical operations to be performed by a processor. Means operate while the processor is executing one instruction to retrieve an operation code portion of the next instruction and, in response to the operation code, an operand associated with the instruction. The operation code portion and operand are then transferred to the processor for execution. Thus, independently of and concurrently with the execution of a current instruction, a further instruction and, if appropriate, an associated operand, can be retrieved.
Patent GB-2054744-A (GB)
Title: Fuel control system for a gas turbine engine
IPC: F02C9/32
Filed: 1980-05-01
Abstract: A gas turbine engine fuel control system has a three-dimensional cam 25 which is positioned axially and rotationally in accordance with sensed values of engine compressor inlet and outlet pressures P1, P4 respectively. A portion 26 of the cam 25 is profiled in accordance with a desired logarithmic function of P4/P1 and a portion 27 is profiled in accordance with a logarithmic function of desired fuel flow. Cam followers 40, 41 coact with the cam portions 26, 27 respectively. The follower 40 is also responsive to a selected engine thrust from a device 51. The follower 41 is connected to follower 40 by a link 42 so that the position of the follower 41 is also dependent on selected thrust and the ratio P4/P 1 indicated by the cam portion 26. A metering device 12 is responsive to the position of the follower 41. A throttle valve 60 controlled by an engine-driven governor 61 maintains, for a given engine speed, a constant pressure drop across the metering device 12. <IMAGE>
Patent GB-2059010-A (GB)
Title: Tension adjusting mechanism for article binding machine
IPC: B65B13/22
Filed: 1980-05-15
Abstract: A return roller (not shown) for tensioning an article binding tape is driven from a shaft (1') carrying the tape feed roller. A first pulley (22) is loosely fitted at the outer end of the shaft (1') and a second pulley (24) fast with the shaft is urged into frictional contact with the first pulley by the action of a spring 25 which is adjustable by means of a threaded cylinder (40) accessible exteriorly of the casing of the binding machine. The cylinder is in threaded engagement with a member (45) which supports the spring seat and which is prevented from rotating by an indicator arm (49) cooperable with an external scale to indicate the setting of the spring and the tension at which the pulleys slip. <IMAGE>
Patent GB-2077975-A (GB)
Title: Barcoded map reading system
IPC: G09B29/10
Filed: 1980-06-12
Abstract: The position of a point on a map (or plan, diagram or photograph) carrying digital barcodes extending in two different directions is ascertained by moving a reader first along one set of the barcodes and then along the other set of the barcodes. Further barcodes on the map are then scanned by the reader to determine a parameter (e.g. temperature) to be associated with the point on the map. The value of the parameter is then entered by unspecified means, all the various data being stored in a computer memory. The parameter data can be accessed from the computer memory by moving the reader along the two sets of barcodes to the required point and then scanning the reader along the barcode for the required parameter. Polar map coordinates may alternatively be used. <IMAGE>
Patent GB-2078926-A (GB)
Title: Heat transfer plates and gaskets therefor
IPC: F28F3/10
Filed: 1980-06-18
Abstract: In order to provide mechanical retention of a gasket (4) in a gasket groove of a heat transfer plate, the base (1) of the gasket groove is provided with a series of mushroom shaped studs (3) welded in position thereon and engaged in undercut holes (7) in the resilient gasket. The gasket has a sealing peak 5. <IMAGE>
Patent GB-2055841-A (GB)
Title: Epoxy resin-based composition
IPC: C08G59/40
Filed: 1980-06-20
Abstract: The compositions contain epoxy resins and a catalytic amount of curing catalysts which comprise organosilicon compounds or polymers having hydroxyl and/or hydrolyzable groups each bonded directly to a silicon atom and aluminium compounds having organic groups.
Patent GB-2057300-A (GB)
Title: Improvements in or relating to sources for spraying liquid metals
IPC: B22F9/08
Filed: 1980-08-19
Abstract: A source for producing a spray of drops and ions of a liquid material under the action of an electric field, comprises an emitting point 4 in the shape of a cone with a rounded tip, the vertex angle of which is between thirty and forty degrees and which projects beyond a base structure by a distance of between some one and three millimetres, means for supplying a liquid material to be sprayed to the emitting point and a field generating electrode 6 whereby there may be applied to the emitting point an electric field sufficient to disrupt the liquid material at the emitting point and provide a spray of liquid drops and ions, the emitting point being made of a material which is wetted by the liquid material and has a low solubility in the liquid material. The liquid material is a molten metal, and examples of metals and suitable materials are given. <IMAGE>
Patent GB-2082912-A (GB)
Title: Wood preservative
IPC: B27K3/52
Filed: 1980-08-21
Abstract: The present invention deals with preservatives for wood and other organic fiber products. It is based on water-soluble copper and zinc salts of weak acids. After a solution of the salts has been introduced into the wood the salts are converted so that relatively insoluble preserving metal radicals are precipitated in the wood. The protecting effect of the preservatives and the precipitation of the metal radicals can be increased by suitable additives.
Patent GB-2061499-A (GB)
Title: Sterilisation Indicators
IPC: G01N31/22
Filed: 1980-10-06
Abstract: An indicator for indicating the completion of a sterilisation process in which an article to be sterilised is exposed to formaldehyde vapour either dry or mixed with steam comprises a mixture of preferably two amino acids and a pH indicator impregnated in a paper carrier. The carrier may have an silicone coating. The amino acids and pH indicator are such that the change point of the pH indicator lies within the range of the change of pH value of the amino acid mix which occurs on exposure of the amino acids to formaldehyde vapour.
Patent GB-2060531-A (GB)
Title: Wagon for incandescent coke
IPC: C10B39/14
Filed: 1980-01-28
Abstract: A wagon for incandescent coke comprising a body with a coke-loading tray (9), walls (4) and (5) provided with a framing band (8) mounted removably on a framing band (12) of the hopper (6) with the possibility of thermal expansion under the influence of the heat of the incandescent coke.
Patent GB-2072733-A (GB)
Title: A process for the production of insulation against moisture, precipitation and other kinds of water of bridge and road slabs, artefacts and underground structures
IPC: E01D19/08
Filed: 1981-03-03
Abstract: The invention concerns a process for the production of insulation on bridge and road slabs, artefacts, underground structures against water, especially moisture and water of precipitation. The essence of the invention consists in that first, pretreating material is applied to the surface to be protected, then to the pre-treated surface a foil or board-like material provided with a self-adhesive layer is applied or with the aid of an adhesive a polymer foil is adhered to the pre-treated surface, and a protective layer is applied to the insulating material to provide for mechanical protection, and finally an asphalt layer is applied to the protective layer. With the aid of the process according to the invention an insulating system may be formed which can resiliently follow the displacements or movements of the elements of the insulating construction and which is very durable.
Patent GB-2100415-A (GB)
Title: Solar heaters
IPC: F24S23/30
Filed: 1981-06-15
Abstract: A solar heater comprises a number of lenses A-F arranged to focus solar radiation on a metal absorber G provided with fluid conduits H. In an alternative arrangement, the heater forms a sterilizer for surgical instruments. <IMAGE>
Patent GB-2080509-A (GB)
Title: Heat Exchanger and Method of Manufacture Thereof
IPC: F28D7/02
Filed: 1981-07-13
Abstract: The heat exchanger comprises an outer tube (11) containing at least one inner tube (12) therein. In order to improve the efficiency but occupy minimal space, the diameter of the outer tube (11) is small compared with its length; the tubes are bent into a spiral or helix and are formed of steel. The heat exchanger is formed by filling the outer tube (11) with a liquid (e.g. water), passing a coolant (e.g. cooled brine) through the inner tubes so as to freeze the liquid, bending the tube assembly (10) to form the desired shape and then thawing the frozen liquid in the outer tube (11). <IMAGE>
Patent GB-2080666-A (GB)
Title: Controlled release of trace elements
IPC: A01N25/34
Filed: 1981-07-17
Abstract: A composition for providing a substantially controlled level of dissolved trace element in water comprises a trace element compound in a relatively insoluble form. Preferably the composition comprises a relatively insoluble trace element compound and a binder which results in the composition having a different solubility product to that of the trace element alone. The binder may be plaster of paris. The trace elements may be Cu, Co, Mg, Mn, Zn, Se, Fe, Ni, As, Cr, V, I or F, and also included may be a blocking/complexing compound e.g. a phosphate, a silicone or stearic acid to retard dissolution, or a lignosulphonate, sugar or ethylene glycol to accelerate dissolution. The compositions may be in the form of tablets and may be added to animal drinking water or used to kill molluscs, flukeworm or algae.
Patent GB-2104164-A (GB)
Title: Shaft seals suitable for rollers of belt conveyors
Inventor: GLOSSOP MARK BARNES
IPC: F16J15/32
Filed: 1981-08-20
Abstract: A shaft seal, suitable for use with rollers 2 of belt conveyors, includes a sealing element 9, having a sealing edge portion 37 engageable with an associated shaft 5. At least two coaxial guard elements 10, 11 are disposed on one side of said sealing element. These guard elements are axially spaced apart and are each so apertured at 26, 32 as to be a close clearance fit upon the shaft. <IMAGE>
Patent GB-2111464-A (GB)
Title: Box having means for cushioning the contents
Inventor: SWAIN MICHAEL
IPC: B65D5/50
Filed: 1981-12-02
Abstract: A box folded from a blank of stiff material comprises a base portion which forms the bottom of the box, opposed side panels 4,6 joined along respective fold lines to the base portion and foldable inwardly so as to form opposed sides of the box, opposed end panels 12, 14 joined along respective fold lines to the base portion and foldable inwardly so as to form opposed ends of the box, and an arrangement of panels hinged to at least one of the end panels 12, 14 and foldable so as to form a pad which projects into the interior of the box from the end panel to provide cushioning for an article carried in the box. <IMAGE>
Patent GB-2094832-A (GB)
Title: Process for culturing anchorage dependent cells
IPC: C12N5/00
Filed: 1982-03-12
Abstract: A method of growing cells of the type which normally undergo mitosis only when anchored on a substrate, e.g., fibroblasts or epithelial cells comprises the steps of encapsulating a seed culture of the cells within a semipermeable membrane and suspending the capsules in a growth medium. The interior surfaces of the capsule membrane and/or collagen also enclosed within the capsules with the seed culture serve as a substrate for the cells. The ratio of the available substrate surface area to the volume of the culture may be so large that the cells grow substantially throughout the volume of the culture medium.
Patent GB-2120003-A (GB)
Title: Improvements in battery-powered equipment
Inventor: BRANSBURY ROBIN
IPC: H01M50/204
Filed: 1982-04-30
Abstract: To prevent reuse of an already used battery with battery-powered equipment (4) the battery (1) is provided with a frangible member (2) which actuates an equipment- enabling switch (7) when present on the battery. When a battery is removed from the battery compartment (3) of the equipment, the frangible member is broken off so that on subsequent insertion the switch (7) will not be actuated. <IMAGE>
Patent GB-2100181-A (GB)
Title: Anisotropic hollow fiber membranes
IPC: C08J3/09
Filed: 1980-03-27
Abstract: A dry, integral anisotropic polysulphone hollow fiber membrane for separating a gas of a gaseous mixture is described, comprising a homogeneously formed, thin, exterior, separating layer on an open cellular support, wherein a volume majority of the fiber wall consists of cells less than 2 microns major dimension and a substantial absence of macrovoids of major dimension greater than 3 microns and of length/width greater than 10. The membrane has a ratio of permeability of at least one of H2, He and NH3 to the permeability constant of the material of the membrane for the said gas of at least 5 x 10<4> reciprocal centimeters. The membrane has a permeability ratio (as defined in Claim 1) of at least 6 and a high collapse pressure.
Patent GB-2110361-A (GB)
Title: Triple pass ceramic heat recuperator
Inventor: DORAZIO RAYMOND E
IPC: F28C3/10
Filed: 1982-11-26
Abstract: A heat recuperator comprises a cross-flow ceramic core within a housing. The housing includes an inlet conduit and an outlet conduit for a gas to be heated. The housing also includes means for thrice passing said gas through the ceramic core in order to improve the diffusion of the gas through the core.
Patent GB-2128816-A (GB)
Title: A discharge lamp driving device
Inventor: HIRAYAMA HIROMITSU
IPC: H05B41/282
Filed: 1983-01-19
Abstract: Two fluorescent lamps (F1 and F2) are driven by a single inverter circuit (IV) which provides switched power current to a single leakage transformer (LT). The leakage transformer has a single primary winding (3) connected to the inverter circuit (IV) and a pair of secondary windings (4,4') arranged to be coupled with the fluorescent lamps (F1, F2). The core of the leakage trans- former (LT) has a closed loop magnetic path (1,1',2) with a pair of short legs (B, B') each of which extends from one side (1) across the closed magnetic path with a gap (5) of non-magnetic material between the ends of the short legs (B, B') and the other side (2) of the closed loop magnetic path. The pair of short legs (B, B') provide three windows and bypass leakage magnetic paths. The first window is defined between the pair of short legs (B, B') and the second and the third windows are defined by one of the short legs (B, B') and the closed magnetic path (1, 1', 6). The primary winding (3) is mounted in the first window, and the secondary windings (4,4') are mounted in the second and third windows. The magnetic flux which flows around the closed magnetic path (1, 1', 2) when no current is taken from either secondary winding (4, 4') provides a high output voltage to fire a lamp, then the main magnetic flux switches to a leakage path which includes one of the short legs (B, B') and the gap (5) of non-magnetic material but does not include the secondary winding associated with the lamp that has fired. The output voltage across that secondary winding is reduced but is still sufficient to maintain the discharge current in the lamp. <IMAGE>