baber/WOPTO huggingface dataset:
Patent GB-1034417-A (GB)
Title: Improvements in or relating to air cushion borne vehicles
Inventor: EGGINGTON WILFRED JAMES
IPC: B60V1/16
Filed: 1963-04-24
Abstract: 1,034,417. Air cushion vehicles. VICKERS Ltd. Feb. 13, 1964 [April 24, 1963], No. 16202/63. Heading B7K. A vehicle that is supported at least partially by an air cushion has a skirt depending from the underside of the vehicle body to constitute a side wall of a space arranged to be supplied with air to form the cushion, the skirt being of inflatable form and having inner and outer walls, the space between these walls being arranged to be supplied with air to inflate the skirt, and there being an outlet at the bottom of the skirt to permit escape of air from the last-mentioned space. In a vehicle 1 (Fig. 1, not shown), a fan 4 delivers air to a plenum chamber 2 to form an air cushion. The chamber 2 is surrounded by a flexible inflatable skirt 3 comprising an inner wall 7 and an outer wall 6 which are arranged to provide an outlet 8 between them. The inner wall is spaced from the underside of the vehicle to form a gap 9 through which pressure air from the cushion passes to inflate the skirt and then passes through outlet 8 to form a curtain C. The walls 6 and 7 may be tied by diaphragms to form separate compartments. The outer wall may be wholly or partially of stiffer construction than the inner wall and the outlet 8 may be inwardly inclined. A construction is described for a cushion-compartmenting skirt.
Patent GB-756249-A (GB)
Title: Improvements in or relating to filters
IPC: B01D29/00
Filed: 1954-06-01
Abstract: 756,249. Filters. KAHL, R. June 1, 1954 [June 1, 1953], No. 16242/54. Class 46. [Also in Group XXVIII] A filter comprising a filter body exchangeably arranged in a housing is characterized in that there is provided to hold the filter body fast on its seat a screw member which extends through a screw-threaded aperture in an intermediate bottom of the filter housing and through the bottom of the housing, and which has at its other end a screw-thread capable of fitting into the above screw-threaded aperture. A filter body 12, Fig. 1, comprises a double-walled cylinder of expanded metal, wire gauze or the like covered with filter cloth or the like, an impervious bottom 11 extended outwards as a ring 10 and an internally-threaded nut 15 secured to the bottom. It is held against a projection 6 forming part of an inner wall 2 of the filter casing (with an intermediate packing 9) by a screw member 13, the securing part 14 of which extends through an aperture 8 in an intermediate bottom 7 without obturating it. One of two flanges 16 on the member 13 engages, through a packing 17, a hole 18 in the outer casing 1 to close it. The filtrate space, consisting of the region between the cylinder walls 12 and that above the intermediate bottom 7, communicates through the aperture 8 with a filtrate discharge tube 4. When the filter body 12 is to be removed the member 13 is unscrewed from the nut 15, removed, inverted and replaced, whereupon a thread 20, now at the upper end of the member, engages in and closes the aperture 8, Fig. 2. The filter body 12, if stuck on its seat by, e.g. crystalline deposits, may be lifted therefrom by inserting a rod 22 in the bore of the member 13 and forcing it upwards by a cap 23 engaging the thread 14 and rotated by a hand lever 24. In place of the double cylinder 12 there may be provided on the bottom 11 a series of flat or curved double walls, the cavities of which open into the space below the bottom 11. A heating or cooling medium may be passed through the space 5 between the casings 1 and 2.
Patent GB-637978-A (GB)
Title: Improvements in or relating to personal sanitary conveniences
IPC: A61F5/453
Filed: 1948-06-16
Abstract: 637,978. Personal sanitary conveniences. JOYNER, J., and FRANKLIN & SONS, Ltd., J. G. June 16, 1948, No. 16245. [Class 26] In a personal sanitary convenience, the elastic gripping member is formed by an open-ended rubber or like sheath 1 which is corrugated over part or the whole of its length to form annular ridges 2 and furrows 3. Preferably the smaller end of the sheath turns outwardly, and the larger end is secured internally of a radial flange 4 so as to be spaced from a thicker surrounding flange 5 to which the receiver is secured. The flange 5 is co-axial with the sheath and projects substantially at right angles to flange 4 from a rubber or like plate or shield 6 with buttonholes for securing it to a belt or waistband. The flange 4 may form part of a hollow annular rubber or like ring 7 secured to the shield 6 and constituting a cushion which can be inflated by a tube 8.
Patent GB-497033-A (GB)
Title: Improvements in and relating to dry rectifiers
IPC: H01L21/06
Filed: 1937-06-11
Abstract: 497,033. Asymmetrically conducting resistances ; depositing metals by electric discharge. BRITISH THOMSON-HOUSTON CO., Ltd. June 11, 1937, No. 16261. Convention date, June 13, 1936. [Classes 37 and 41] In the production of electrodes for dry rectifiers, a band of material is led past a vaporizing device for coating it with a semi-conductor such as selenium. Parts of the band are shielded during this operation as by the guides for the strips. After coating the electrodes are stamped out. A preliminary stamping operation may separate the electrodes as shown at a except at the parts b to be shielded during coating.
Patent GB-1088371-A (GB)
Title: Improvements in or relating to paper making machines
IPC: D21F1/02
Filed: 1963-04-25
Abstract: 1,088,371. Paper-making machines. WIGGINS TEAPE RESEARCH & DEVELOPMENT Ltd. and B. RADVAN. April 22, 1964 [April 25, 1963], No. 16394/63. Heading D2A. Means are provided in a paper-making machine whereby the paper stock flowing from the headbox to the wire of the machine is caused to execute an hydraulic jump, the turbulence of which improves the fibre distribution and formation of the paper sheet. Stock from a headbox 11 flows up an inclined apron 15 towards the breast roll 17 and wire 16, hydraulic jump occurring at 21 just prior to deposition of the stock on the wire. Deckles may be provided extending over, at most, only, part of the sides of the apron 15 from the wire end. Alternatively air deckles may be used at the sides of the apron 15. In alternative embodiments (Figs. 2 and 3, not shown) the apron or bed upon which the stock flows from the slice is horizontal and a transversely disposed barrier or obstruction is arranged to cause the hydraulic jump to occur.
Patent GB-352187-A (GB)
Title: Improvements in and relating to steam boiler constructions for motor vehicles
IPC: F22B7/06
Filed: 1930-05-28
Abstract: 352,187. Steam boiler water-tubes. FODEN, E. R. and FODENS, Ltd., Sandbach, Cheshire. May 28, 1930, No. 16427. [Class 123 (ii).] In steam boilers for motor vehicles of the type comprising a horizontal water-tube section having a steam dome e and water-jacketed flue in which the water-tubes r extend, and a second or firebox section at a substantial angle thereto, the inner shell carrying the water-tubes is made in one piece with the inner shell j of the firebox which carries an outer shell k bolted to the boiler shell a so as to permit withdrawal of the flue and firebox sections as a single unit. The water-tubes extend preferably at about 30‹ to the horizontal in alternating rows between opposed pairs of flat faces of the flue section which may have fins or ribs q.
Patent GB-414494-A (GB)
Title: Improvements in or relating to building sheets or the like
IPC: E04F13/04
Filed: 1933-06-09
Abstract: 414,494. Ornamenting. CUCKOW, A. E. E., Romus, Cromwell Road, Walton-on- Thames. June 9, 1933, No. 16557. Addition to 276,815, [Class 87 (i)]. [Class 93.] The rough-cast faced asbestos-cement sheets of the parent Specification are modified by replacing the asbestos-cement sheets by compressed fibre boards. The join between roughcast sheets may be covered with bevelled-edged rough-cast fibre boards. The cement applied to the fibre board may be mixed with fibrous or other material, and may be suitably coloured.
Patent GB-802033-A (GB)
Title: Valves for fluids
Inventor: CURRAN JOHN RONALD
IPC: F16K25/04
Filed: 1956-05-29
Abstract: 802,033. Valves. HAMMEL-DAHL CO. May 29, 1956, No. 16561/56. Addition to 749,785. Class 135. The undulated surfaces formed in the holes provided in the movable flow control member or in the co-operating fixed member of the valve claimed in the parent Specification are formed as screw threads or separate grooves of V, Acme, rectangular, or half-round section. Fig. 4 shows a plug 42 with tapering holes 44 having separate grooves 47 of rectangular section. The holes are arranged in sets of three in various vertical planes but they may be of different size and arranged as in Fig. 2 of the parent Specification. In another modification the holes are screw-threaded and arranged along axes inclined to the direction of reciprocation of the valve plug. In a further modification, Fig. 6, having radial screw-threaded holes 64 of uniform diameter, the plug is formed with a spiral web 66 having a central threaded hole 67 and a series of smaller holes 68. The holes may be in the form of elongated or sausageshaped slots, either parallel to the axis of movement of the plug as shown in Fig. 7, or inclined thereto. Screw threads or separate grooves 77 may be provided in the slots 74. As in the parent Specification the plug may be solid and the holes or slots provided in an elongated valve seat.
Patent GB-740109-A (GB)
Title: Improvements in throwover mechanism for driving equipment for sheep shearing machines
IPC: F16H13/02
Filed: 1952-09-24
Abstract: 740,109. Friction gearing. SUNBEAM CORPORATION, Ltd., [formerly COOPER' ENGINEERING CO., PTY., Ltd.]. Sept. 24, 1952 [Oct. 10, 1951], No. 16573/54. [Divided out of 722,566]. Classes 80(1) and 80(2) In a throw-over mechanism for engaging and disengaging the driven friction pinion 26 of a sheep shearing stand from a driving wheel 14 on a shafting 13 the friction pinion 26 is carried at one end of an arm 24 which is supported by links 22 pivoted on a carrier member 16 secured to a bearing bracket 11 of the shafting 13. A spring 28 serves to maintain the arm 24 in one direction to engage the friction pinion which is actuated in the other direction by a shifter lever 34 engaging a lug 41 on the arm 24. The lever 34 carries a spring-pressed yoke 35 co-operating with an eccentric roller 39 on an operating shaft 31 which has a weighted arm 32 and a pull cord 33 for actuation thereof.
Patent GB-843640-A (GB)
Title: Improvements in or relating to the treatment of molten metal
IPC: C21C1/00
Filed: 1957-05-24
Abstract: 843,640. Refining iron and other metals. DIAMOND ALKALI CO. May 24, 1957 [May 28, 1956], No. 16575/57. Addition to 841,152. Classes 72 and 82(1) Molten metal is treated by subjecting a body of the metal to turbulent flow in a helical path by imparting rotational motion sufficient to apply a centrifugal force of at least six times the force of gravity to the metal, contacting the metal with a treating agent, disrupting the body of metal outside the helical path to form discrete particles of metal which are collected to form a second body of metal, and then separating the metal from the treating agent and any products of the treatment. As shown, molten metal is fed into a tundish 32 having an outlet to a runner 26 where treating agent may be added from a spout 30, the metal and treating agent enterng a cylinder 1 which is rotated at sufficient speed to apply a centrifugal force equal to at least six times the force of gravity to the metal. The metal moves along the inner surface of the cylinder in a helical path and at the end of the cylinder is thrown outwardly of the cylinder by the centrifugal force and broken up into discrete particles which are collected in a pool in a collecting hood 42. The metal may be passed into a second cylinder for further treatment, Fig. IV (not shown). The treating agent may be caustic soda, soda ash, a gaseous reagent, or an alloying substance, and may move concurrently with, or in counter-current to, the metal.
Patent GB-1506647-A (GB)
Title: Apparatus for filtering fluids
IPC: G21F9/06
Filed: 1975-04-22
Abstract: 1506647 Filters BRUNSWICK CORP 22 April 1975 [25 April 1974] 16577/75 Heading BID A filter e.g. for filtering radioactive particles from coolants for nuclear reactors, comprises outward-flow filter cartridge 14 which is moved into and out of filter housing 11 by elongated means 21 operated from a position outside concrete structure 24 containing the housing 11. When filtering is being performed, housing 11 is closed by valve 16 operable by wheel 16a and nut 37 is adjacent housing 11 so that the aperture 35a in the top of housing 11 is sealed by seal 38. To remove cartridge 14, the valve 16 and gate 30 are opened, the nut 37 is unscrewed and means 21 is pushed downwards to place the cartridge 14 into bag 76 and then into cask 20 positioned on carriage 27 in tunnel 25. Means 21 is detached from cartridge 14 by further downward displacement and rotation of means 21 relative to cartridge 14 to release lugs 30' from shoulders 31. Means 21 is raised, the carriage 27 and cask 20 are withdrawn from tunnel 25 and the cask 20 is closed. Means 21 may comprise an upper part 21a detachable from a lower part 21b, the lower part having guides 50 for ensuring the correct alignment of cartridge 14 in the housing 11. The apparatus may be provided with means for draining the housing 11 prior to discharge of cartridge 14 therefrom and means for detecting wear of one of the seats for valve 16. The structure 24 may contain a plurality of filter housings 11.
Patent GB-1393711-A (GB)
Title: Sorting and stacking of food slices
IPC: B65B35/50
Filed: 1972-04-11
Abstract: 1393711 Delivering sheets; feeding webs UNILEVER Ltd 11 April 1972 [13 April 1971] 16590/72 Heading B8R Flexible food slices 40, Fig. 1, fall from a cutting apparatus on to a weighing conveyer 2 coupled to a computer, and are then fed to a conveyer 5 which carries them past a photoelectric detector 33 to an air-permeable conveyer 6 comprising a plurality of belts 8, Figs. 1 and 2, passing below a suction chamber 9. On detection of a slice by the detector 33, the conveyer 6 is started and the suction applied, so that the slice is carried by the underside of the conveyer 6 past a stacking position. If the weight of the slice is incorrect, it is carried on to a reject conveyer 21. If the weight is correct, the conveyer 6 is stopped and the suction released when the slice is above a stacking surface 16. The slice then falls, with the assistance of release blades 12 moved down between the belts 8 by a lever 14, on to the surface 16, and the slices form a stack thereon. Sheets of paper cut from a web 22 by a transverse cutter 30 fall on to the stack between each slice. The stack then falls on to a transverse conveyer 20 or on to a previous stack thereon by removal of the surface 16 by a device 17, 18, 19. The surface 16 may also be moved laterally by a device 35, either to produce an overlapping stack or to secure slices from a plurality of conveyers 6. Feeding webs.-The web 22 from a roller 23 is drawn by suction through a connection 28 into a hollow cylinder 27 to form a loop 29, a photoelectric detector 34 controlling the speed of feed rollers 24.
Patent GB-973836-A (GB)
Title: Foil cap with tear strip
IPC: B65D41/62
Filed: 1962-05-01
Abstract: 973,836. Stoppers. METALLKAPSELFABRIK LOOS & CO. G.m.b.H. May 1, 1962 [May 19, 1961], No. 16609/62. Addition to 897,810. Heading B8T. A bottle cap of the kind described in the parent Specification and formed from a foil blank to the wall of which a tear strip is attached, is characterized in that the strip when attached to the blank, has at least one curved part so that on application to a tapering bottle neck, the strip lies substantially in a plane perpendicular to the bottle axis. The foil blank of Fig. 2 has a curved strip 26 which may be of plastics thread with its one end 25 providing a pull tab; perforations 28 may be located above or below the strip and a recess 27 is provided. A finished cap may be as shown in Fig. 1. In the case of a tape-like strip, Fig. 4, one or more curves 43 may be located along its length adjacent cut-away areas, so that the strip can approximate to an imaginary curve 44 which will lie in the said plane when the cap is formed.
Patent GB-145477-A (GB)
Title: Process for electrical gas purification
IPC: B03C3/66
Filed: 1920-06-21
Abstract: In the electrical separation of impurities suspended in gases, there is employed an undamped pulsating directional voltage having a frequency between 250 and 1500, i.e. considerably higher than that ordinarily employed with alternating current; a frequency of 500 is particularly advantageous.  Such a pulsating voltage may be superimposed on a constant direct-current voltage.
Patent GB-297496-A (GB)
Title: Improvements in or relating to electric signalling apparatus
IPC: G08B1/08
Filed: 1927-06-23
Abstract: 297,496. General Electric Co., Ltd., and Windram, R. June 23, 1927. Morse and like code signal transmitting arrangements. - Relates to electric signalling apparatus wherein a multi-signal code transmitter is provided for transmitting a plurality of distinctive signals such as those required to call different persons by means of hooters or other signalling apparatus and installed at different points in a factory. As shown a code drum 9 has parallel sets of apertures arranged circumferentially to form a series of codes and is driven through gearing 32 by an electric motor 33. A pair of contact springs such as 18, 29 co-operates with each series of code apertures. and opposite each pair of springs a key-way is provided in the casing 46 to permit the insertion of a plug 75 which moves the selected pair of contacts into their operative position relatively to the code drum. When the plug is inserted contact 29 engages contact 18 to close the circuit of the motor 33 and the contact 18 is positioned so that the drum co-operates with a projection 20 on the contact 18 to open and close the circuit of a relay 59 at the common contact bar 1 according to the selected code. The r-elay contacts 58 operate the hooters or other signalling apparatus. The spindle of the plug 75 is provided with a lug 77 which is adapted to pass through slots in the key-ways. When after insertion the plug is rotated the lug 77 prevents the removal of the plug and thereby maintains the selected contacts in their operative position. The signalling circuit may be closed independently of the code drum by a press button switch 85.
Patent GB-580511-A (GB)
Title: Improvements in or relating to photographic materials
IPC: G03C1/93
Filed: 1944-09-05
Abstract: Copolymers of methyl methacrylate and maleic acid or anhydride containing free carboxylic acid or anhydride groups are prepared by warming the substances together, preferably in the presence of a polymerization catalyst, e.g. benzoyl peroxide.  The reaction may be effected in presence of a diluent, e.g. acetone or dioxane. A copolymer is prepared from methyl methacrylate and maleic anhydride by warming an acetone solution of the substances with the addition of benzoyl peroxide, diluting with acetone, and pouring into aqueous ethyl alcohol.  The copolymer is soluble in acetone, methylene chloride, aqueous ammonia and alcoholic ammonia.  Solutions of the copolymer may be used for coating sheets of fully esterified methyl methacrylate polymer; sheets of paper, cellulose, cellulose derivative, or plasticised polyvinyl chloride or polystyrene coated with methyl methacrylate polymer; sheets of cellulose nitrate or acetate coated first with polystyrene or polyvinyl halide or organic ester (acetate or acetate-chloride) and then with methyl methacrylate polymer; or sheets having a surface of polystyrene or polyvinyl chloride or acetal.  A composition comprises gelatin, water, salicylic acid, methyl alcohol, acetone, 40 per cent formaldehyde solution and methyl methacrylate - maleic anhydride copolymer.
Patent GB-1314861-A (GB)
Title: Slurry pipeline with restart bypass means and a method of restarting slurry transport therein following a shut-down
IPC: B08B9/02
Filed: 1970-04-09
Abstract: 1314861 Conveying slurry by pipe-line SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 9 April 1970 [11 April 1969] 16901/70 Heading F2N [Also in Division F1] In a terrestrial pipe-line for conveying slurried material the settlement of solids in inclined pipe portions under shut-down conditions is alleviated by providing a by-pass pipe around the potential blockage, parallel to the course of the main pipe such that the restart pressure of the pipeline is minimized and a blockage may be cleared. Fig. 2 shows such a blockage 41 located at a dip in the pipe-line 11, the by-pass pipe 31 being connected thereto by conduits 32 to 36 having associated valves 42 to 46 whereby liquid-rich slurry may be progressively injected into the pipe to fluidize the blockage.
Patent GB-476695-A (GB)
Title: Improvements in or relating to electron valves
IPC: H01J25/70
Filed: 1936-06-17
Abstract: 476,695. Thermionic valves; electric resonators. NAAMLOOZE VENNOOTSCHAP MACHINERIEEN EN APPARATEN FABRIEKEN MEAF. June 17, 1936, No. 16909. Convention date, June 29, 1935. [A Specification was laid open to inspection under Sect. 91 of the Acts, Dec. 21, 1936.] [Classes 39 (i) and 40 (iii)] In a high - frequency electron valve having a hollow space resonator, the resonator together with any energy channels is mounted within an evacuated metal vessel. In one form, shown in Fig. 1, the resonator is enclosed in a metal vessel 33 which may be of nickeliron, nickel-chromium-iron alloy sealing well to glass. A detuned chamber 39, a quarter wave-length long, surrounds the leads 36,. 37. The inner casing 31 may be of copper or silver, and is insulated from and coupled closely to the outer casing 21. The chamber 40 may contain a heating spiral for vaporization of a getter. Channels 41, 42 connect the various chambers for evacuation. A similar construction is applied to a fouranode magnetron, opposite anodes being connected to the inner and outer conductors of the resonator which is supported within and metallically connected to a cylindrical metal vessel, preferably of non-magnetic material. A hair-pin cathode has a control wire electrode between its legs. Modifications are described with flexible wall portions to permit tuning of the resonators. In one form, a valve similar to Fig. 1 has flexible.parts introduced into walls 33 and 21, and adjustment is carried out by a screw-threaded collar engaging the outer wall, the aerial having a telescopic connection with the central conductor. As applied to a magnetron in Fig. 4, a flexible portion 52 is inserted in the outer wall, and adjustment is carried out by the threaded collar 59. The resonator casing 65 is rigidly secured within the outer wall and is closed by a sliding member 67, which tunes the resonator. The aerial 26 has a telescopic connection 56 with the central conductor. The getter is liberated in a separate chamber 401, a heating coil 62, which also acts as a lead to the outer resonator, being provided for this purpose. The magnetic field is produced by a longitudinally magnetized cylinder 68, the strength of which may be varied by movable magnetic shunt 70 having a screw-threaded engagement with a part 69 rigidly secured to the envelope. Specification 467,703 is referred to. The Specification as open to inspection under Sect. 91 includes also the subject-matter of Specification 467,703 and refers to Specification 452,490. This does not appear in the Specification as accepted.