baber/WOPTO huggingface dataset:
Patent GB-2031301-A (GB)
Title: Method of forming a texture pattern
IPC: G03C1/74
Filed: 1979-09-13
Abstract: A texture pattern is formed on a surface of a moving support 12 by simultaneously applying a first organic solvent-based coating liquid and a second, similar, but lower viscosity, liquid to form first and second coated film layers 14 and 15 respectively, which together constitute a texture pattern formation film 13, and drying the film 13. The layer 14 serves to control the thickness of the film 13 after drying to a required value, and the layer 15 promotes production of convection cells and determines the size of the cells according to its thickness and viscosity; a texture pattern having a desired surface roughness and a desired thickness is thus formed on the upper surface of the dried film 13. <IMAGE>
Patent GB-2031124-A (GB)
Title: A sealing ring for a butterfly valve
IPC: F16K1/226
Filed: 1979-09-19
Abstract: The ring for use for example with cryogenic fluids, has two radially inwardly-projecting sealing lips (19a, 19b) and a radially outwardly projecting retaining flange (20). The sealing lips are biassed by spring pressure exerted by elastic clamping rings (22a, 22b) disposed radially outside each of the lips and by fluid pressure. The sealing ring comprises two sections (5a, 5b) of U- shaped cross section which face in opposite axial directions with the U- shaped bottom portions (5a', 5b') thereof facing in opposite directions, and which are radially displaced in relation to one another. <IMAGE>
Patent GB-2035458-A (GB)
Title: Rotary positive-displacement fluid-machines
IPC: F04C28/12
Filed: 1979-10-25
Abstract: In a meshing-screw compressor of the oil-injection type semi-rotary valve plates 2, 3 operated by a pair of servo-motors 4 (only one shown in Fig. 1) control the outlet port, the servo-motors in turn being controlled by a piston-actuated valve 5 in accordance with the pressure at the outlet end of the rotor chamber and the pressure in the delivery duct. The said pressures are applied to the valve's piston 6 through passages 18,19. Alternatively, there may be a single servo-motor operating one of the valve-plates. <IMAGE>
Patent GB-2045519-A (GB)
Title: Method of manufacturing a lamp
IPC: C03B23/07
Filed: 1980-02-22
Abstract: A metal halide discharge lamp is manufactured on a horizontal glass blowing lathe which is indexed by a turntable through angularly spaced work stations. Quartz tubing is formed into a lamp having a bulbous midportion 32, Fig. 1 with tubular necks 34, 35. A cathode 36 is inserted into neck 34 by passing it tip-last through neck 35; metal halide pellets 52 a globule of mercury 51 and the anode 37, are also inserted via neck 35. Hermetic seals are then made between the necks and the electrodes. A rotary seal attached to the headstock allows an inert dry gas to be flushed through the lamp body during the assembly steps for the purpose of drying the quartz and the electrodes and to prevent the halide pellets from being exposed to water vapor. <IMAGE>
Patent GB-2071725-A (GB)
Title: System of construction or composite structural members with various captive infilling materials
IPC: E04C3/293
Filed: 1980-03-14
Abstract: In this system of construction thin shutters with mechanical in addition to frictional, bonding formations are provided for keying to infilling materials ranging from suitably hardening soils, with or without fibrous content, insulating materials, mortars, to additionally reinforced concretes for structural members. The densely distributed bonding formations consist of perforations and associated projections with enlarged ends formed by punching or otherwise to form mainly mechanical anchorage in the infilling material and automatic cover to any additional reinforcement. These shutters may be used for the construction of walls, lintels, beams, columns and floors. <IMAGE>
Patent GB-2045723-A (GB)
Title: Sealed-end carton with reclosable pouring opening
IPC: B65D5/70
Filed: 1980-03-24
Abstract: A container formed from a blank has a recloseable pouring opening formed in one side panel 2. The panel 2 is formed from an inner side sheet having a hingedly liftable and returnable tongue 17 to form and close the pouring opening, and an outer side sheet 6 having a hingedly liftable and returnable tab, the sides of the tab being defined by lines of weakness 20 in the outer side sheet 6 and a lifting end 21 of the tab being defined by a section expressed from the outer side sheet 6, the tab overlying the tongue 17 and part 22 of the inner side sheet and being adhered to the tongue 17 but not significantly to the rest of the inner side sheet. <IMAGE>
Patent GB-2075230-A (GB)
Title: Sheet counters
IPC: G06M9/02
Filed: 1980-04-24
Abstract: In a machine for counting sheets, which are held in the form of a stack, by transferring the sheets in turn, the machine having a faculty for discrimnating foreign sheets mingled in the stack of sheets of a correct sort to be counted, an apparatus for detecting double/multiple transfer of sheets. In the apparatus, light is projected to a predetermined end portion of the sheet in the course of transfer thereof. Opto-electro transducer receive light resultant from the light incident on the end portion of sheet and offer electric output corresponding to the amount of light received therein. The output is compared with a reference level for detection of double/multiple transfer of sheets. <IMAGE>
Patent GB-2051638-A (GB)
Title: Shape generation by orbiting a rotatable cutter
IPC: B23F5/16
Filed: 1980-05-22
Abstract: Methods and apparatus according to the present invention enable the generation of predetermined shapes on the periphery on a non- rotating workpiece by orbiting a rotatable cutter about the workpiece and engaging the cutter with the workpiece. In a hobbing machine (10), a hob head (13) is rotated, through the interengagement of a planet gear (28) with a sun gear (29), by a drive shaft (14) which simultaneously rotates through a positive drive (33) a hob (15) mounted on an elongate arbor (41), the arbor (41) being located eccentrically of the hob head (13) and being movable in its axial direction to spread wear on the hob (15), a casing (11) of the machine (10) being movable lengthwise under the control of an actuator (11). Shaping machines are also described including rotated cutters whose orbiting is co-ordinated with their radial, lateral and/or lengthwise movements, as well as shaving machines including freely rotatable cutters. <IMAGE>
Patent GB-2055073-A (GB)
Title: Papering aid for decorators
IPC: B44C7/06
Filed: 1980-06-05
Abstract: A device for holding wallpaper comprises a storage location 1 in which a roll or length of wallpaper can be located, and from which the wallpaper can be withdrawn through the opening 6 in the form of a strip for application to a surface, such as a wall or ceiling. A support surface 2 for supporting wallpaper withdrawn from the storage location extends outwardly beyond the opening 6. A handle 9 is attached to the underside of the support surface 2. <IMAGE>
Patent GB-2056287-A (GB)
Title: Racquet
IPC: A63B51/10
Filed: 1980-06-10
Abstract: A tennis racquet has a stringing pattern in which there are fewer transverse than longitudinal strings, and with the longitudinal strings being interwoven with the transverse strings and preferably being arranged in spaced pairs. The longitudinal strings may be retained against lateral displacement by transverse connectors, which in one form of the invention are cords tied by figure 8 knots to the longitudinal strings, and in another form may be elongated integrally molded elements containing preformed apertures for receiving and locating the longitudinal strings. <IMAGE>
Patent GB-2080841-A (GB)
Title: Improvements relating to lagging panels for use with mine roadway supports
IPC: E21D11/15
Filed: 1980-07-23
Abstract: A panel of lagging formed of a plurality of parallel steel rods, some of which are provided with hooked portions at one end while the other end of all the rods are bent through an acute angle in the same directional plane as the afore-mentioned hooks; a second plurality of steel rods are disposed traversely and attached to the first plurality to form a mesh, two of these traverse rods are placed close together and are attached to the angled portion of the first plurality rods such that in use, the hooked portions of the panel to be erected are located between these two traverse rods of an established panel thereby supporting the new panel in a cantilever manner. <IMAGE>
Patent GB-2059349-A (GB)
Title: Print screen stencil and its production
IPC: B41M1/12
Filed: 1980-09-22
Abstract: A print screen stencil uses a fused plastisol resist coating composition to form the ink-impermeable areas. The resulting print screen stencils exhibit excellent life when used with corrosive printing compositions. The stencil may be produced by exposure of a photosensitive layer carried by a mesh; removing the non-exposed areas; applying a plastisol overall; fusing the plastisol; and removing the remaining exposed photosensitive layer and any overlying fused plastisol. The plastisol is preferably polyvinyl chloride, and the fused plastisol overlying the exposed photosensitive layer may be removed by abrasion prior to removal of the exposed layer by a solvent (e.g. caustic alkali). The stencil may be used in the application of a shrinking agent to carpet.
Patent GB-2060688-A (GB)
Title: Production of Ethanol from Sugar Cane
IPC: C12P7/06
Filed: 1980-10-15
Abstract: An integrated process is provided for producing ethanol from sugar cane. Harvested cane is chopped and shredded (3, 4) to provide a mass of fibre and juice which is digested in a first digester (5) with a hemicellulase enzyme. Fibrous residue is separated by centrifuge (9) and passed to a second digester (12) for digestion with a mixed culture of a cellulase enzyme and an ethanol-producing culture. Fibrous residue from (12) is pressed to provide a recycle juice extract (8) and then burned to provide at least part of the heat energy requirement of the process. Juice extracts from digesters (5 and 12) separated by centrifuges (9, 16) are combined, sterilised (23), flashed (24, 28) and passed to a fermentor (34) for fermentation with an ethanol- producing microorganism. Product ethanol (43) is recovered via a membrane separator (41). <IMAGE>
Patent GB-2087377-A (GB)
Title: Preparation of 2-chlorobenzotrichloride
IPC: C07C17/14
Filed: 1980-11-19
Abstract: High yields of 2-chlorobenzotrichloride are obtained by reacting 2-chlorotoluene with chlorine in the presence of phosphorus pentachloride.
Patent GB-2092703-A (GB)
Title: Chain assemblies
IPC: F16G15/04
Filed: 1981-02-11
Abstract: To provide compatible chain 10, 12 and shackle 14 components for, for example, a mooring system for boats, the shank of a shackle pin 16 has an oblong transverse cross- section with a maximum width of 50% of the maximum depth and each link of the chain has a maximum outside length within the range 5.15d to 5.40d (where 'd' is the material diameter of the chain). In this manner shackle eye width can be reduced by nearly 20% from that of a conventional round-pin shackle, and chain which closely approximates to Short Link chain can be coupled by means of a shackle which is at least as strong as the chain. <IMAGE>
Patent GB-2069522-A (GB)
Title: Paint strippers
IPC: C09D9/00
Filed: 1981-02-12
Abstract: The present invention relates to a spreadable aqueous paint stripper composition comprising an alkali in an amount capable of stripping paint. The composition includes one or more skin forming promoter components whereby when the composition is applied as a layer over a painted surface to be stripped it forms over the surface a peelable skin, the skin having a tear strength sufficient for it to be separated and removed from the underlying surface and an adhesive strength sufficient to separate and remove from the underlying surface paint softened by contact with the composition. In one embodiment the skin forming component comprises a fibrous material, preferably together with one or more gelling agents and/or a filler. In a second embodiment the skin forming components comprise a filler, a xanthan gum and a synthetic hectorite clay. The composition forms a peelable skin greatly facilitating the stripping operation.
Patent GB-2072473-A (GB)
Title: Seed drill
IPC: A01C7/20
Filed: 1981-02-18
Abstract: A seed drill has a support (1) on which coulters are arranged in at least two cross rows located one behind the other and mounted in staggered arrangement; each coulter being pivotal in a vertical plane. Adjacent sowing coulters (5) are arranged in pairs on a common holder (2) laterally displaceable on the coulter support (1). Spacers 11 provide for one coulter of each pair to be adjustable relative to the holder. <IMAGE>
Patent GB-2079799-A (GB)
Title: Separable slide fastener and method of attaching the same to knit fabrics
IPC: A44B19/34
Filed: 1981-04-07
Abstract: A separable slide fastener has a pair of warp-knit stringer tapes each with a series of openings 20 for easy attachment to a knit fabric. Each of the stringer tapes 11, 12 includes a reinforcement film 32, 33 bonded to a lower end portion 26, 27 thereof and having a recess 37 which allows some of the tape openings 20 to be exposed for use in attachment to the knit fabric. The recess 37 may be covered with a thin layer penetratable by knitting needles. A separable bottom end stop 28 is injection-molded on the reinforcement films 32, 33 bonded to the stringer tapes 11, 12. The fastener may be knitted integrally with fabric by inserting machine needles through the openings 20 and forming stitches or it may be joined to knit fabric by linking. <IMAGE>
Patent GB-2078344-A (GB)
Title: Pressure-controller for injection systems of controlled ignition internal combustion engines
IPC: G05D16/06
Filed: 1981-05-15
Abstract: A valve closure member 7 for a pressure controller of the fuel spill valve type as in GB 2,013,838 A has a part-spherical portion 72 to allow relative rotation between the member 7 and a support member (8, Figure 1, not shown), a plane sealing surface 73 and a cylindrical part 74 to support a biasing spring. A blind bore 76 is disposed coaxially within the member 7 and a cylindrical tailpiece 70 is provided on the opposite face. The arrangement allows the closure member to be produced from low stock and to allow the valve to be assembled easily. <IMAGE>
Patent GB-2113736-A (GB)
Title: Paving slabs used to create a random 'crazy paving' effect
Inventor: THREADGOLD JOHN HUW
IPC: E01C5/00
Filed: 1981-07-14
Abstract: A series of modules, each simulating a number of pieces of stone which allow flexibility in laying to achieve a desired random 'crazy paving' effect <IMAGE>
Patent GB-2087797-A (GB)
Title: Improvements in printing presses
IPC: B41F13/18
Filed: 1981-11-10
Abstract: A press having opposed rollers has its bearings disposed in such a way that the rollers deflect in the same sense under load; thus whilst one roller is supported at its ends by bearings, the other roller has a central internal or external bearing and relatively even pressure is imparted across the width of the press. The arrangement is particularly applicable to pressure where a bed plate is passed between the rollers, the bed plate carrying a sandwich of inked- up etched metal printing plate, paper and felt blankets. A much higher construction results which can be converted into a litho press by turning upside down and replacing the centrally supported roller with a pressure pad or a rubber coated roller. <IMAGE>
Patent GB-2088066-A (GB)
Title: Single pole alternating voltage detector
IPC: G01R19/155
Filed: 1981-11-20
Abstract: The detector has a head built-up of a cup-like cylindrical hollow body 1 fitted with a transverse bracing member (2 not shown) capped by a cross-piece 3 to form an inner sub- assembly enclosed in an opaque tubular cover 4 provided at its upper end with a contact probe 6. Body 1 houses a glow discharge tube 13 and has a transparent base 11 shaped to form an optical element 11.2 for focussing and directing light from tube 13 into the user's field of view. A stem 12 depending from base 11 fits into a tubular insulating handle 5 containing conductive material 51 which capacitatively couples with earth and which is electrically connected with the detector circuit by conducting rod 15. Transparent radial ribs 12.2 also act to direct light from tube 13. In manufacture, body 1 is partially filled with resin before introducing the inner sub-assembly into open lower end of cover 4. The main parts are bonded together by adhesive. In a modification the contact probe 6 may comprise a long antenna supported by the cover and inner assembly. <IMAGE>
Patent GB-2090304-A (GB)
Title: Wire Rope
IPC: D07B1/16
Filed: 1981-12-15
Abstract: A wire rope is provided having a central core 16 about which are wound seven wire strands 14. The central core 16 has a central lubricated core strand 17 about which are wound a plurality of outer lubricated core strands 18. The central core is encapsulated with thermoplastic material 22 to retain lubricant 20 within the central core 16. The thermoplastic material 22 may extend beyond the outer diametrical limits of the central core 16 and the wire strands 14 may be embedded in the thermoplastic material. <IMAGE>
Patent GB-2094471-A (GB)
Title: Detecting film blackening
IPC: G01N21/86
Filed: 1982-02-22
Abstract: Apparatus for detecting film blackening comprises an electromagnetic radiation source and at least one semiconductor electromagnetic radiation sensitive element (DI-Dn) having an energy storing function (e.g. due to its capacitance) and arranged to receive radiation passing from the source through a film transfer path. Preferably a plurality of such sensitive elements, for example photodiodes or phototransistors are provided. Means (S1-Sn), which may be MOSFET's, are provided for applying a reverse bias voltage to the sensitive element to cause energy to be stored therein and for removing the reverse bias voltage for a predetermined period, the loss of energy of the receiving element during the predetermined period being proportional to the amount of radiation it receives during that period so that when a developed film is transferred along the film transfer path the output signal (the voltage across R) is proportional to the amount of blackening of the film. <IMAGE>
Patent GB-2102481-A (GB)
Title: A gravity structure with detachable buoyancy chambers to port an offshore work platform
Inventor: BERTHIN JEAN-CLAUDE
IPC: E02B17/00
Filed: 1982-06-01
Abstract: A gravity structure to support an offshore work platform has buoyancy chambers (4) which are made of concrete and are frusto-conical. They are detachable when the structure is in its final location and are applied against the roof (38) of the base (1) not only by temporary fixing components (15) but also by the difference in the pressure maintained during transport and submersion operations between firstly the sea in contact with the frustoconical walls (32) of these chambers and secondly an intermediate chamber (10) which communicates with the atmosphere and is provided between the roof of the base and the bottom (36) of each buoyancy chamber. Application to extracting oil from shallow seas. <IMAGE>
Patent GB-2106162-A (GB)
Title: Well safety valve
Inventor: HUEBSCH DONALD LOUIS
IPC: E21B34/00
Filed: 1982-06-28
Abstract: A magnetically operated fail-safe cutoff valve of general application and particularly suitable for down hole fluid well applications is provided having a simple highly reliable self- centering valve 148 for equalizing the pressure across the main cutoff valve 136 while closed thereby permitting the same to be opened. All operating components can be either removably installed internally of a tubing string or as a portion of the string itself. In either case, typical wire line operations can be conducted through and past the lower end of the cutoff valve since the flow path of each of the illustrative embodiment provides an unobstructed linear flow path therethrough when the valve is open. The pressure equalizing valve includes multiple flow passages 152 and is controlled by a shrouded annular armature 147 operable independently of a tubular armature controlling the main cutoff valve. The two armatures may be located in either common or separate flux circuits. <IMAGE>
Patent GB-2099279-A (GB)
Title: Fried chips of carrot and process for making the same
IPC: A23L19/10
Filed: 1981-11-25
Abstract: Food product made of carrots and particularly adapted for use as a snack food item, and a process for making the same. Carrots (12), preferably of large diameter, are cross-cut into slices (16) of approximately 0.04- - 0.08-inch-thickness and the slices (16) are immersion-fried for approximately 1 - 2 minutes in a bath (48) of a suitable edible oil of 300 - 400`F temperature. The resulting fried carrot chips (14) have a very palatable taste, crispy texture and substantially indefinite shelf-life.
Patent GB-2125529-A (GB)
Title: Heat transfer fin for a heat exchanger
Inventor: PAWSON IAN KARL
IPC: F28F1/32
Filed: 1982-08-18
Abstract: Rows of rectangular openings 12 are formed in a fin stack 10, each opening having a tall projection 13 upstanding from its longer edges. Each projection 13 contacts the next fin in the stack and provides support during insertion of tubes. To prevent the fin stack from skewing as a result of the tube insertion process, the projections 13 in alternate rows extend from one surface of the fin, while the projections in the rows in between extend from the opposite surface of the fin. Alternatively, all of the projections extend from the same side of the fin, but the taller projections 13 in alternate rows are disposed on one side of their respective openings 12 while the taller projections 13 in the rows in between are disposed on the opposite side of openings 12. The projections may alternate from opening to opening in each row, rather than from row to row. <IMAGE>
Patent GB-2126146-A (GB)
Title: A power tool for inserting and extracting a clamp
Inventor: DUDDEN CHRISTOPHER JOHN
IPC: B25B31/00
Filed: 1982-08-23
Abstract: The tool has a housing (26, 27) which receives a clamp (10) at its front end. A fixed socket (30) is engageable with the body (17) of the clamp to prevent its rotation relative to the housing. A rotatable socket (32) driven by an air motor (28) via an adjustable ratchet clutch (29) is engageable with the nut (19) of the clamp and has an external screwthread (34). A sleeve (35) is axially slidably mounted on the housing and has a trigger (37) pivoted thereon. The trigger has a part thread (39) engageable with the external screw thread (34) when the trigger is depressed. Locking means in the form of balls (43) in apertures (42) are provided at the front end of the housing. To insert a clamp into a hole in a component, the clamp is put into the tool and the collet legs (12, 13) of the clamp are pushed through the hole. The motor is then rotated forwards to screw down the nut (19). A separator (16) opens the collet legs and the component is clamped between the heads (14) of the collet legs and the body of the clamp. To extract the clamp the trigger is depressed and the motor is rotated in reverse. The nut (19) is unscrewed and at the same time the sleeve (35) is moved forwards to engage the locking means to hold the clamp in the socket (30) and to push against the component so as to pull the clamp out of the hole. <IMAGE>
Patent GB-2127054-A (GB)
Title: Archformer
Inventor: ROBINSON BRIAN
IPC: E04C3/02
Filed: 1982-09-10
Abstract: An archformer 1, preferably of box section and made of plastics, associated with a lintel 22 has a base 3 in the underside transverse drainage grooves. This attached to the lintel by staggered strips of double sided adhesive tape 10. <IMAGE>