baber/WOPTO huggingface dataset:
Patent GB-404763-A (GB)
Title: Improvements in or relating to moulds for casting
IPC: B22C9/26
Filed: 1932-09-19
Abstract: 404,763. Casting radiator elements. TENNANT, W. J., 111, Hatton Garden, London.-(Gurney Foundry Co., Ltd.; 4, Junction Road, Toronto, Canada.) Sept. 19, 1932, No. 26039. [Class 83 (i).] Moulds; cores; moulding processes.-A radiator comprising a longitudinal water chamber 1 with end connections 3 and fins 5 united at their outer edges by webs 6, is cast integrally in a mould in which the core 15 for the water chamber is supported at the ends, the cores 20, Fig. 9, for the fins being carried in a recessed bottom block 14. The fin cores have thickened bottom and top ends 19, 21, the top ends seating in prints 10 in the cope 8, Fig. 15. The ends of the longitudinal core 15 are shaped as shown at 16, Fig. 13, to form the end connections 3, Fig. 3, of the radiator. The various cores are formed of baked sand, and baked-sand slabs 17 are inserted to form the webs 6. The gate 23 extends round three sides of the upper part of the mould in the drag 7, in order to communicate simultaneously with the top outer ends of the fin core spaces. Specification 370,609 is referred to.
Patent GB-335696-A (GB)
Title: Improvements in or relating to method of and apparatus for producing photographic images
IPC: G02B3/08
Filed: 1929-08-27
Abstract: 335,696. Beach, H. D. March 5, 1929, [Convention date]. Lenses.-A lens unit is constructed with lens components or lenses of different focal lengths so that a subject having parts at different distances will be sharply focused on the image plane. In one example, one surface of a lens 10 has several concentric portions 11, 12, 13 of different curvatures, so that sharp images of different planes will be projected on a common picture pLane. In another example, Fig. 3, the lens is made up of a series of discs 18, 19, 20 of different curvature, and in a further example, the surfaces are on concentric rings, Fig. 4. Further modifications involve the use of separate lenses, or a lens divided along diameters or along chords, so that it is in several sections.
Patent GB-1185363-A (GB)
Title: Improvements relating to Microwave Heating Devices.
IPC: H05B6/78
Filed: 1967-06-06
Abstract: 1,185,363. Microwave heating. MOLINS MACHINE CO. Ltd., and T. B. JAWOR. 5 June, 1968 [6 June, 1967], No. 26098/67. Heading H5H. Microwave heating apparatus comprises a wave-guide WG formed into a closed loop such that microwave energy not absorbed by the material being heated is recirculated, the plane of polarization of the microwave radiation being rotated through 90 degrees during travel around the loop, and the heated material is conveyed through a portion of the loop, for example on a conveyer belt CB in an enclosing tube ET of insulating material. The material is pellets P of synthetic resin which may, alternatively, be inserted in pockets in a carrier insert CI of a rotatable disc RD, rotatable in a gap of the waveguide WG to subject different groups of pellets to microwave radiation. The waveguide WG is of rectangular section and is coupled directly to itself by a coupling device CD, a polarization filter F 1  being provided between the T-junction and the source S. The waveguide has a 90-degree twisted section TS, a second polarization filter F 2 , and a sampling coupling SC feeding to a detector unit D and producing an output signal for controlling the output of the source S. A further embodiment uses a coaxial cable CC, Fig. 3 (not shown), to complete the loop, and the waveguide is of circular section. Additional radiant heating is provided either by separate radiant heaters or by making the section of the waveguide WG through which the material passes of electrically conductive material, absorption of the microwave radiation raising the temperature of the waveguide walls such that the waveguide itself acts as a radiant heater.
Patent GB-321008-A (GB)
Title: A new or improved bed urinal
IPC: A61G9/00
Filed: 1928-09-12
Abstract: 321,008. Mills, Sir W. Sept. 12, 1928. Bed-pans are provided with a forwardly-extending neck c merging into a conical or semi-spherical body.
Patent GB-1147907-A (GB)
Title: Improvements in or relating to the anodizing of aluminium
IPC: C25D11/14
Filed: 1966-06-13
Abstract: 1,147,907. Anodizing aluminium. KAISER ALUMINUM & CHEMICAL CORP. June 13, 1966 [June 22, 1965], No. 26170/66. Heading C7B. A process for producing a coloured anodized aluminium article comprises anodizing the article in an aqueous H 2 SO 4  electrolyte to produce a colourless anodic oxide coating on its surface and subsequently anodizing the article in an aqueous electrolyte containing 0À1% to 4% by weight of H 2 SO 4  and sulphosalicylic acid, sulphophthalic acid, sulphoresorcinol or lignosulphonic acid in an amount of at least 20 g/l to produce an integrallycoloured anodic oixde coating on the surface of the article. The term aluminium includes Al base alloys, e. g. Al containing Cr or Si. Prior to anodizing, the A1 article may be cleaned with aqueous solutions of (1) an alkaline cleaner, (2) HNO 3  and (3) NaOH. During the anodizing step to produce the coloured coating, a constant current density may be used until some predetermined maximum voltage is reached after which that voltage is maintained constant until the anodizing is completed. After anodizing, the article may be sealed by dipping it in an aqueous solution at 200‹ F. of sodium lignosulphonate and nickel acetate.
Patent GB-1427197-A (GB)
Title: After burner installations for gas turbine engines
IPC: F23R3/20
Filed: 1973-06-01
Abstract: 1427197 Gas turbine jet engine-re-heat equipment SOC NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION 1 June 1973 [1 June 1972] 26174/73 Headings F1J and F1L] The invention relates to a re-heat or afterburner combustion system for a gas turbine jet engine. The engine shown in Figs. 3, 4 comprises a turbine 2 downstream of which is a re-heat combustion zone 3 in which a flame front is established at S. A series of hollow duct members is disposed in the divergent zone between the wall 4 of the re-heat zone 3 and the inner fairing member 5 which is supported by struts 6. Each hollow duct member 9 comprises a first portion 9a which extends generally parallel to the engine axis X-X' and a second portion 9b which extends generally transversely thereto. The upstream end 9aa of the portion 9a is open for inflow of a portion f of the turbine exhaust gas flow F, the portion 9b being formed with discharge orifices 9ba which face downstream. A fuel injection device 10 is provided to supply fuel into the hollow member. The mixture of fuel and combustion gases is heated within the hollow member by the hot exhaust gas flow F, and discharges through the orifices 9ba, the mixture igniting to establish the flame front at S. In Fig. 6, the hollow member 9 comprises four portions 9a, 9b, 9c, 9d in the form of a quadrilateral figure, a portion f of turbine exhaust gases again entering through inlet 9aa, fuel being supplied through injector 10, and the fuel/gas mixture discharging through orifices 9da in the radially-extending limb 9d. In this case the re-heat flame front is established at S 1 so that the fuel/gas mixture within the member 9 is pre-heated by combustion occurring within the re-heat zone. The engine shown in Fig. 8 is of the by-pass type having an outer air-flow Z and a pilot combustion chamber 23 of annular form is provided having an open upstream end 26 to receive a portion of the turbine exhaust gas flow, a fuel injector 24 and an outlet 28 in the form of a V-shaped flame stabilizer 28. A hollow structure 29 of annular form is provided comprising an axially-extending portion 29a and a radially-extending portion 29b. The portion 29a which is defined in part by the inner wall of the pilot combustion chamber 23, has an open upstream end 29aa for inflow of a portion f of the turbine exhaust gas flow, and is provided with a fuel injector 30. The portion 29b is provided with downstream-facing fuel and gas mixture discharge orifices 29ba. In this embodiment the fuel and gas mixture within the hollow member 29 is heated not only by the hot turbine exhaust gas flow F but also by combustion within the chamber 23. In a further embodiment similar to Fig. 6, the limb 9b of the hollow member divides to form two limbs 9c1, 9c2 which terminate in two limbs 9d1, 9d2 each provided with downstream-facing fuel and gas mixture discharge orifices 9da1, 9da2. In a further embodiment the discharge limb 9b is tangentially disposed.
Patent GB-1436068-A (GB)
Title: Rotary piston internal combustion engines and spark plugs therefor
IPC: H01T13/20
Filed: 1974-06-13
Abstract: 1436068 Rotary-piston IC engines; sparking- plugs GENERAL MOTORS CORP 13 June 1974 [2 July 1973] 26250/74 Headings F1B and F1F In a housing 1 of an engine which may be of the trochoidal type a spark-plug 13 and bore 7 therefor have mutually abutting frusto-conic sealing surfaces 19, 21 and a metal shell 17 of the plug lies in a plane 18 close to but not beyond the housing inner-surface 5, the adjacent ends of an electrode 25 and ceramic insulator 27 being set back slightly from said plane. An end portion 31 of the shell may be cylindrical and substantially equal in diameter to the corresponding portion of the bore so as to minimize "blow-by" of combustion gases. An auxiliary spark-gap may be provided between a terminal screw 45 and a metal spacer 55, an air path for this gap being provided by grooves 53 in the inner surface of a retainer ring 49 for a flange 47 of the screw 45 and by a rough surface at the upper end of the insulator. Sealing may be effected by a gasket 35 and glazing at 37.
Patent GB-1093589-A (GB)
Title: Improvements in and relating to plate heat exchangers
IPC: F28D9/00
Filed: 1965-06-22
Abstract: 1,093,589. Plate heat exchangers. UNITED AIRCRAFT CORPORATION. June 22, 1965 [June 26, 1964], No. 26271/65. Heading F4S. A heat exchanger comprises plates and corrugated fin elements stacked to form a core on one face of which alternate spaces between the plates are open and the intermediate spaces are closed by bars 52. A multipass flow is provided for the fluid flowing in the alternate spaces the passes being defined in part by pass separators 38. These extend into the spaces between the plates and also outwardly beyond the core face where they form together or in conjunction with corresponding projections on the bars 52 (Fig. 7, not shown) a continuous rib extending over the depth of the core. This rib is said to facilitate the securing of headers to the core (Fig. 1). In preferred constructions of the separators 38 (Figs. 3 to 6) the outwardly projecting portions 42 are formed with extensions 46 which extend across the closure bars 52 and abut or interlock with each other to form the rib. The portions 42 may be grooved to receive the headers.
Patent GB-844935-A (GB)
Title: Improved pressure-sensitive adhesive strip
IPC: C09J7/02
Filed: 1956-08-28
Abstract: 844,935. Pressure-sensitive adhesive tapes. KRITCHEVER, M. F. Aug. 28, 1956, No. 26306/56. Class 140. A pressure-sensitive adhesive tape comprises a polyethylene strip having one side thereof modified by impingement of flame thereon or by electron bombardment to render the polyethylene molecules in said surface unsaturated, and a pressure-sensitive adhesive united to said modified surface. The pressure sensitive adhesive may comprise natural or crepe rubber, butadiene-styrene, butadieneacrylonitrile, polyvinyl butyl ether, vinyl chloride copolymer, e.g. vinyl chloride-vinylidene chloride copolymer, a resin, e.g. wood rosin, pentaerythritol ester of hydrogenated wood rosin, plasticizers, e.g. dibenzyl phthalate, and an antioxidant. The adhesive may be applied in the form of a solution, e.g. in heptane, koluol and aliphatic or aromatic naphtha. Specification 781,742 is referred to.
Patent GB-1243330-A (GB)
Title: A device for filtering tobacco smoke
Inventor: WINGENDER BENNO
IPC: A24F7/04
Filed: 1970-06-01
Abstract: 1,243,330. Absorbing device for tobacco smoke. B. WINGENDER. 1 June, 1970, No. 26341/70. Heading A2C. An absorbing device for insertion in a tobacco pipe or cigarette holder comprises a base material such as blotting paper impregnated with silica sol. The base material is soaked in a silica sol and then dried. The device may be tubular, with or without a longitudinally extending internal partition, or may be formed as a helically bent strip as illustrated. Alternatively the device may comprise braided cellulose fibres impregnated with silica sol.
Patent GB-831653-A (GB)
Title: Improved apparatus for making perspective drawings
IPC: B43L13/14
Filed: 1956-08-29
Abstract: 831,653. Perspective drawing instru. ments. BARNETT, R. A., and ANGLO AMERICAN CORPORATION OF SOUTH AFRICA Ltd. Aug. 29, 1956 [Sept. 21, 1955], No. 26383/56. Addition to 776,111. Class 97(3) In apparatus according to the parent Specification the motion transmitting means between the drawing and tracing arms comprises members, attached to the arms, having surfaces biased into contact, the members being otherwise relatively movable, and such that the vertical spacing of the points of attachment of the members to the arms remains constant. The embodiment shown is the same as in the parent Specification except that the drawing and tracing arms 15, 32 pass through perpendicular slots 44, 45 in a member 40 pivoted on an axis A-A and are carried on pivot pins 46, 47. Arms 50, 51 project from the arms 15, 32 and carry cylindrical or conical members 48, 59, which may be rotatable and are held in contact by the weight of the arm 32 or by a spring.
Patent GB-1219896-A (GB)
Title: Improvements in or relating to chain driven vehicles
Inventor: HOOPER BERNARD
IPC: B62K25/28
Filed: 1967-06-08
Abstract: 1,219,896. Motor cycles. NORTON VILLIERS Ltd. 4 June, 1968 [8 June, 1967], No. 26433/67. Heading B7H. In a chain-driven vehicle comprising a frame 80, a power unit 84, a fork 105 pivotally mounted on the power unit 84 and rotatably mounting a wheel 105a, driven by a chain from the power unit 84, and three mountings, at least two of which are resilient between the power unit and frame, the mountings permit relative movements between the power unit and frame of greater amplitude in directions perpendicular to than parallel to the axis of the wheel 105a. The power unit comprises a gear-box in unit with, or mounted in common mounting plates (16), (Fig. 1, not shown) with and chain-driven from the engine 85 and the mountings comprise a single upper mounting 90 and two lower mountings 86, 88. The upper mounting comprises a pair of compressed rubber bobbins 62 mounted between a frame bracket 58 and a pair of opposed plates 60 secured to the top of the engine. Each lower mounting comprises a pair of resilient bushes 99 separated by spacer tubes 100, 101 and mounted between a bore 91 of the power unit and a rod 92 secured to frame brackets 87. The relative movement between the power unit and frame in directions perpendicular to the wheel axis is limited by additional resilient members 102 on the spacer tube 101 and in directions parallel to the wheel axis by shims 95 providing a small clearance between thrust plates 96 and polyurethane washers 94 on the rod 92 and the housing 98 of the power unit.
Patent GB-1203899-A (GB)
Title: Mechanical coupling for piston rods, for example of control valves
IPC: F16B7/00
Filed: 1969-05-23
Abstract: 1,203,899. Rod connections; valves. DORNIER G.m.b.H. 23 May, 1969 [10 Aug., 1968] No. 26457/69. Headings F2G and F2V. Piston-rods 1a, 1b, e.g. of hydraulic and electrohydraulic valves, are disposed and retained in axial alignment by a spring element 3 anchored by locking members 2 extending transversely of the rods. As shown, the rods pass through apertures in the circular spring 3 and have domed caps 5 which allow relative angular movement between the rods. In a modification the caps are replaced by pins having domed covers and screwed into the rods and serving to retain the pins 2 in position.
Patent GB-794131-A (GB)
Title: Improvements in or relating to machines for forming components into desired shapes
IPC: H05K13/02
Filed: 1955-09-16
Abstract: 794,131. Making electrical components; bending; shearing. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Sept. 16, 1955 [Sept. 20, 1954], No. 26567/55. Classes 83 (2) and 83 (4). In a machine for forming members projecting from articles into desired shapes in which holders for the articles are moved in a plane along a closed path and dies mounted near the path are moved at right-angles to the path, a member mounted centrally of the path is movable axially to actuate levers operating the dies. The machine described cuts and shapes the projecting pins C, Fig. 1, on one side of the base A of an electron tube component, pins B being mounted on the other side of the base A. A component is mechanically or manually inserted with the pins C passed through apertures in a support forming part of the frame 50, Figs. 3 and 8, of a cutting device. The parts of the pins C projecting from the support are severed by cutters mounted in opposed slides 51 in the frame 50 when compressed air is passed by a valve controlled by a cam on a cam-shaft 29 to a cylinder actuating a pair of levers 53 engaging rollers 52 on the slides 51. Gear sectors oscillated by cams on the cam-shaft 28 engage sectors 45 and 46 on the cutting device so that the device is swung about its pivot 48 into the upright position shown in Fig. 3 whereat a pin 55 engages between teeth of a gear 21 surrounding and carried by the rotary work-table 20 to ocate the work-table in correct position for the component to be ejected from the cutting device by a rod 60 and inserted into one of the workholders 22. The work-table 20 which is rotated intermittently by a mutilated pinion, driven from the cam-shaft 29 carries, say, twenty workholders 22, each having a pinion engaging a rack 24 in the fixed frame 1 so that as the workholders 22 move from one work station to the next they are rotated. Each work-holder 22 has a chuck for grasping the pins B which is temporarily released by depression of an arm 61 by a cam-controlled lever 64 when the workpiece is transferred from the cutting device. At each work station a bending operation on a projection C is performed by a pair of dies 5, 6, Fig. 5, mounted in slides 3, 4 on the fixed frame 1 and simultaneously reciprocated through levers 7, 10 by discs 14, 15 on a central shaft 13 reciprocated by a cam-actuated lever 36. When the component has been completed a bell-crank oscillated by the disc 14 depresses the arm 61 of the associated work-holder 22 to eject the component.
Patent GB-1271581-A (GB)
Title: Vent construction
IPC: F16K15/14
Filed: 1969-05-23
Abstract: 1,271,581. Moulding a valve. TIMKEN CO. 23 May, 1969 [19 Feb., 1969], No. 26578/69. Heading B5A. [Also in Division F2] A conical disc venting valve is integrally moulded with a rim from an elastomer, is partially cured and is thereafter slit with a hot, thin knife to form resilient flaps and simultaneously fully cure or over cure the elastomer adjacent the slits. The disc may be further partially cured after the slitting. Nitrile rubber and acrylate and silicone polymers are used to mould the disc.
Patent GB-1281085-A (GB)
Title: Fluid-tight connections
Inventor: HOMER DAVID WILLIAM
IPC: F16L41/04
Filed: 1969-05-27
Abstract: 1281085 Pipe joints PARKINSON COWAN Ltd 29 May 1970 [27 May 1969] 26601/69 Heading F2G A mounting block 6 is connected to a pipe 5 by a tubular rivet 9 which permits fluid flow from the pipe 5 to some device, viz. a housing 1, for a rotary gas tap, connected to the block. As shown, a shallow recess 18 in the block 6 causes it to contact the pipe 5 by means of longitudinal, parallel shoulders 19. The rivet 5 is of the known, blind type and sealing between the pipe 5 and mounting block 6 and the block and housing 1 may be ensured by 0-rings 17, 16 located in counterbores 15, 14 respectively or adhesive or a viscous sealing compound. The block 6 and housing 1 may be connected by bolts (13), Fig. 1 (not shown), engaging tapped, open-ended holes in the former. Such a method of connecting a pipe to another device is particularly suitable for connecting gas taps to the gas rail of a cooker, since the pipe 5 may be a plain, drawn tube and the block 6 a die casting.
Patent GB-632446-A (GB)
Title: Improvements in or connected with boot and shoe trees
IPC: A43D3/14
Filed: 1947-10-03
Abstract: 632,446. Boot and shoe trees. ELSTON, E. P. Oct. 3, 1947, No. 26623. [Class 17 (iii)] A tree for insertion in the toe of a boot or shoe is made of resilient wire or sheet metal and has two base portions 4, 5 shaped to engage the interior of the shoe between the upper and the insole, and joined at the back by a handle portion 10. The parts 6, 8 ; 7, 9 contact the interior of the toe. When inserted in a shoe, the parts tend to spring outwards independently owing to their individual resiliency to stretch the toe both heightwise and laterally. A buttonshaped member 11, Fig. 3, screwing into a channel member 13 can be fixed to any part to give local stretching.
Patent GB-805893-A (GB)
Title: Improvements in or relating to pneumatic tube conveyor systems
IPC: B65G51/12
Filed: 1955-09-16
Abstract: 805,893. Pneumatic dispatch apparatus. LAMSON ENGINEERING CO. Ltd., and BULLIVANT, A. J. Sept. 26, 1956 [Sept. 16, 1955], No. 26646/55. Class 78 (1). In apparatus including a drop tube 1 provided with two valves, one at each end of an air lock, the lower valve 11 is closed positively after a carrier has passed through it. The upper valve is not shown. The valve 11 is connected to an arm 10 which is pivoted at 9 and provided with a projection 15. A link 16 connects the projection 15 to a projection 14 on a feeler arm 13 which extends into the tube and is pivoted at 18. A falling carrier depresses the arm 13 into the position shown in broken lines out of the path of the carrier. The plate 11 is held in this position by the carrier until the latter has passed when it descends by gravity and seals the tube. A spring 17 may assist the action.
Patent GB-355254-A (GB)
Title: Improvements relating to kinematograph apparatus
IPC: G03B31/00
Filed: 1930-05-17
Abstract: 355,254. Supporting and operating kinematograph apparatus. PARKINSON, J., 104, King Street, Blackburn. May 17, 1930, No. 26689/29. [Class 97 (i).] The stand for a combined kinematograph and sound-reproducing apparatus comprises a table A provided with an upstanding bracket B on which is pivotally mounted a support C adapted to take different makes of projector. The lamp D is mounted on a support d adjustable longitudinally on a frame consisting of a U-shaped rod d<1> to which it is secured by lugs d<3> and set-screws d<2>. The frame d<1> is vertically adjustable on the support C being secured in slots therein by nuts d<4>, and is supported at its free end by a link d<3> adjustably secured at its lower end to a rod d<8>. The take-up spool box e<2> is carried by an arm e<3> vertically adjustable on the bracket B. The soundreproducing device consists of a turntable f<1> on which the records are placed and a pick-up device H. Two motors E, F connected in tandem by a coupling G and each provided with a separate speedregulating device are mounted on the table A. The take-up spool e<2> and the feed sprocket of the projector are driven from the motors through the coupling g<1> and the chain and sprocket-wheel gearings e<1>, e<5> respectively. The turntable is driven through the vernier coupling g<2> and gearbox f. A guard K for the turntable, a case J for the records, and a sheet-metal cover L for the motors are provided.