baber/WOPTO huggingface dataset:
Patent GB-353394-A (GB)
Title: Improvements in light sensitive electric discharge devices
IPC: H01J40/06
Filed: 1930-01-17
Abstract: 353,394. Photo-electric cells. ASSOCIATED ELECTRICAL INDUSTRIES, Ltd., Bush House, Aldwych, London.-(Assignees of Knowles, D. D.; 194, Castlegate Road, Wilkinsburg, Pennsylvania, U.S.A.) Jan. 17, 1930, No. 1744. Convention date, Jan. 18, 1929. Void Published under Sect. 91 of the Acts]. [Class 39 (i).] A photo-electric cell has a cathode consisting of a thin layer of an alkali metal or barium on a layer of magnesium, an alkalineearth metal, misch metal, silver, or silver oxide, and a filling of a noble gas such as helium. A cathode consisting of a layer of barium on magnesium has maximum sensitivity in the red region of the spectrum ; by substituting caesium for barium the maximum is displaced towards the blue-green region, and by using rubidium, potassium or sodium as the surface layer the maximum is moved towards the ultra-violet region. Lithium or two or more alkali metals may be used. The lead 2 for the cathode 8 has an extension carrying a disc 4 on which a piece of magnesium 5 is welded. After evacuation of the envelope, the disc is treated by high frequency current and the magnesium is vaporized and deposited on the wall. Alkali metal may be introduced by heating a tube containing the metal; or caesium trinitride may be painted on a part of the disc 4 removed from the magnesium ; or a salt of the alkali metal may be heated by bombardment. The anode 3 consists of a wire enclosed by a glass sleeve 6, the area of the cathode being at least 10 times the active area of the anode.
Patent GB-561860-A (GB)
Title: Improvements in composite panels or boards of wood or the like
IPC: E04C2/12
Filed: 1943-02-04
Abstract: 561,860. Doors; panels. LASSMARK, J. V. Feb. 4, 1943, No. 1870. [Classes 20 (iii) and 20 (iv)] A composite panel of wood or fibrous material and such as may form a door consists of strips 10 disposed between ply-wood sheets 13, 14 and formed with recesses 11 extending transversely of the strips and approximately parallel to the plane of the panel, the recesses overlapping in the longitudinal direction, and being dimensioned so as to leave adjacent each face of the panel an uncut strip portion which extends the length of the strip parallel to the plane of the panel and which together are of a thickness less than half that of the strip. The recesses are of oblong, square, or circular crosssection, and are in staggered relationship transversely, and the panel may be reinforced by iron tubes which are introduced into the recesses which are made to register.
Patent GB-869503-A (GB)
Title: Improvements in or relating to electric warming appliances
IPC: A47J39/02
Filed: 1960-01-21
Abstract: 869,503. Electric heating ranges. LUSCHER, P. Jan. 21, 1960, No. 2185/60. Class 39(3). An apparatus for keeping prepared foods hot includes a grid formed of a range of mutually parallel rods 5, Fig. 3, connected together as at 5<SP>1</SP>, each rod 5 contains two heating elements each connected into different circuits, one circuit being energized through manual switch 7, the other by means of a switch comprising members 8-14, Fig. 2, which is activated when the rotatable bar 10 is depressed by a dish placed on the rods 5. In the latter circuit, there may be provided an indicator lamp 15 and an infra-red radiant heating device 16, both connected in parallel to the heating elements. The heating elements are preferably embedded in material contained in a tube which is flattened to form the rod 5. This may be laid in serpentine form. The radiant heater includes heating rods mounted in front of a reflector.
Patent GB-1080524-A (GB)
Title: Distributor caps
IPC: H02J7/12
Filed: 1966-01-18
Abstract: 1,080,524. Distributer caps. ROBERT BOSCH G.m.b.H. Jan. 18, 1966 [Feb. 13, 1965], No. 2207/66. Heading H2B. An I.C. engine ignition distributer cap 1 is injection moulded from fibre-reinforced thermoplastic resin, e.g. polypropylene and asbestos or glass fibres. Suppressor resistors 4, provided with distributer segments 5 or a carbon brush 8, and with screws 6, are moulded into the cap. The ends of insulated cables 12 are either screwed or glued into bores 11 in the cap, or the resin is moulded around the cable ends.
Patent GB-957205-A (GB)
Title: Composite refractory blocks
IPC: F27D1/08
Filed: 1961-01-19
Abstract: 957,205. Moulding bricks. VEITSCHER MAGNESITWERKE A.G. Jan. 19, 1961 [Jan. 27, 1960], No. 2239/61. Heading B5A. [Also in Division F4] A composite refractory block comprises two or more parts of different refractory properties extending from one end of the block to the other and is manufactured by pressing a preformed element with a mass of loose refractory. As shown in Fig. 1, the preformed element 8 is placed in a sheet metal casing 6 in a mould 7 which is filled with loose refractory 9 and pressed by a ram 10 acting on a cover-plate 11 which is to be united with the block. Stamped out tongues 6<SP>1</SP> of the casing 6 engage the block and the element 8 can be spaced from the casing 6 by thin layers 9<SP>1</SP> of the same material as the part 9 of the brick. An intermediate layer 12 may be provided comprising sheet metal, a material which can be burnt away, wire mesh, or expanded metal. As shown in Fig. 2, a second element is pressed into the mould with the ram. In modifications, Figs. 3-7 (not shown), a fish plate for suspending the block is pressed into the latter between a preformed element and the initially loose refractory material. As an alternative means of suspension a preformed element may project beyond the end of the brick and be provided with a hole for engagement with a hanger, or the element itself may be made as a brick incorporating a hanging device in known manner. The preformed elements may be such that internal cracks occur during pressing or that no structural change occurs, and the block may be formed without inserts or metal casing. Specification 862,095 is referred to.
Patent GB-474073-A (GB)
Title: Improvements in or relating to rotary electric couplings
IPC: H01R39/00
Filed: 1936-01-24
Abstract: 474,073. Swivelling - couplings. LEE, B., and BEVIS, F. P. Jan. 24, 1936, No. 2319. Addition to 453,360. [Class 38 (i)] In a rotary electric coupling as described in the parent Specification, the terminals associated with one of the rotatable parts are mounted on a removable plate. The plate 21, retained by the cover 25, carries three terminals, one making contact through a spring 22<11> with a ring 13 connected to a ring 12, the centre one having a spring and plunger bearing on a stud, and a third one similarly bearing on a ring 8. A collar 4 having a conducting ring 11 is screwed against the ring 12 and retains a ball-race 10 which runs on a ring 7, which is thus in electrical connection with the ring 13. The rings 7 and 8 and the central stud are connected to equally spaced contacts 6 on the member 5 to engage with a terminal element 15 as described in Specification 474,074.
Patent GB-467020-A (GB)
Title: Improvements in and relating to variable pitch airscrews
IPC: B64C11/06
Filed: 1937-01-26
Abstract: 467,020. Roller bearings. GABA, A. E. Jan. 26, 1937, No. 2325. Convention date, Feb. 13, 1936. Addition to 430,223, [Group XXXIII]. [Class 12 (i)] [Also in Group XXXIII] Screw propellers in which each blade is mounted in a number of collars in the hub socket are provided additionally with spring mounted thrust bearings, whereby the centrifugal force is divided between these bearings and the collar supports of the blades. A depending sleeve 1 on the blade root has a flange 1a which acts as one surface of a bearing for conical rollers 1b, the other surface 2 carrying guide pins 6 around which are placed either a series of springs 5 or washers 5a, providing the spring action. The upper part of the guide pin 6 passes into a recess in a flange 3a of a sleeve 3 which is supported on an external boss socket E1. The upper ring 2 is prevented from rotation by means of pins 2a passing through the sleeve E1.
Patent GB-310353-A (GB)
Title: Process for the manufacture of condensation products of the anthraquinone series
IPC: C09B1/02
Filed: 1928-01-24
Abstract: 310,353. Carpmael, A., (I. G. Farbenindustrie Akt.-Ges.). Jan. 24, 1928. 1: 1<1>-Dihydroxy-2: 2<1>-dianthraquinonyl is prepared from a-hydroxyanthraquinone by condensation by means of an aluminium halide in presence of an organic tertiary base, for example, aluminium chloride and pyridine.
Patent GB-1401713-A (GB)
Title: Plastics sack
IPC: B65D33/01
Filed: 1973-01-17
Abstract: 1401713 Valve bags BRITISH VISQUEEN Ltd 14 Nov 1973 [17 Jan 1973] 2395/73 Heading B8K A plastics valve bag of the kind having a U-shaped seal 5, 8, 9 joining together front and rear faces 2, 3 at their overlapping portion has perforations 11 in the inner ply of the overlap and a gap 12 in the seal 8 to enable air to escape as the bag is filled. If the venting is assisted by a vacuum nozzle two gaps are provided in the seal 8 one adjacent each end of the bag. The bag may be of one or more plies and be made of polyethylene or plasticized P.V.C. The perforations 11 may be microperforations, three pointed slits, larger circular holes, or crescent or straight-slits. The bag may contain plies of other than plastic material.
Patent GB-1207444-A (GB)
Title: Method of manufacturing printed circuits having metallised holes
IPC: H05K3/42
Filed: 1968-01-17
Abstract: 1,207,444. Printed circuits. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 17 Jan., 1968 [20 Jan., 1967], No. 2560/68. Heading H1R. [Also in Division C7] A printed circuit board is provided with metalized through holes by coating the printed conductors and substrate with an electrically conductive layer and then an electrically insulating film, piercing the holes through the substrate, metalizing the walls of the holes by electrolysis, and removing the film and conductive layer. In a first example a copper, paper laminated sheet is silk screened with a resist and etched to form the printed conductors on both sides, after which the two faces of the sheet are covered by a thin aluminium layer by evaporation. The sheet is then dipped in glycerolphthalate, dried and immersed in a solution of aluminium stearite in toluene. After drying, the holes are pierced and the sheet seeded by a solution of palladium chloride and hydrochloric acid and a solution of stannous chloride in hydrochloric acid. Copper is then electroless deposited by dipping in a solution of sodium-potassium-tartrate, sodium hydroxide, copper sulphate, ethylene diamine tetra acetic acid and formaldehyde. A further layer of copper is then deposited electrolytically the aluminium coating providing an electrical connection between a contact and the copper in the holes. The lacquer is removed by dipping in trichloroethylene and finally the aluminium is dissolved in a sodium solution. In a second embodiment a copper clad epoxy resin reinforced by glass fibre sheet is photo-etched to produce a printed circuit pattern after which a thin copper layer is deposited over the sheet by a seeding and electroless deposition process followed by a silicon lacquer film. The sheet is then pierced and the walls of the holes coated with copper as in the first embodiment, the thin copper layer acting as an electrode instead of the aluminium. The silicon lacquer film is then removed by brushing and the thin copper layer dissolved by ferric chloride from the face carrying the printed circuit pattern. Nickel is then electroplated on to the exposed pattern and holes by supplying current to the thin copper layer on the opposite face which copper layer and covering of lacquer are finally removed by dissolving and brushing.
Patent GB-202228-A (GB)
Title: Improvements in the manufacture of electric incandescent lamps, and thermionic valves
IPC: H01J7/18
Filed: 1923-01-29
Abstract: 202,228. Osborn, H. J. Jan. 29, 1923. Vacuum tubes.- Lamp black or other carbonaceous material is placed on a leading-in wire, and a metallic oxide, e.g. manganese oxide or black copper oxide, is placed elsewhere in the container, and the tube is aged by the application of direct current, whereby the carbonaceous material is heated and combines with residual oxygen in the container.
Patent GB-392289-A (GB)
Title: Improvements relating to the manufacture of ethyl alcohol
IPC: C07C29/04
Filed: 1932-01-29
Abstract: Ethyl alcohol is produced by passing a mixture of ethylene and steam over a catalyst comprising phosphoric acid and uranium, iron or cobalt or compounds of these metals decomposable by phosphoric acid, the amount of phosphoric acid being greater than that corresponding with the orthophosphate, but not more than 95 per cent of the catalyst.  The catalyst may be used in granules or tablets, and may be supported upon or mixed with inert but not siliceous carriers which may be impregnated with the catalyst in liquid form and used with or without drying.  If the catalyst is liquid under the conditions of operation, the reaction mixture may be passed through the catalyst.  The process may be carried out at 100-300 DEG  C. at atmosphere pressure or pressures up to 250 atmospheres.  Examples describe the use of catalysts comprising fom FeO.2H3PO4 to FeO.3H3PO4 (prepared from ferrous oxalate and phosphoric acid and dried at 200 DEG  C.). CoO.2,5H3PO4, and uranyl phosphate containing 2,5 molecules of phosphoric acid per atom or uranium (made from an aqueous suspension of uranyl oxalate and phosphoric acid and dried at 200 DEG C.).  Specification 292,685 is referred to.ALSO:Catalysts for the production of ethyl alcohol from ethylene and steam comprise from FeO,2H3PO4 to FeO,3H3PO4 (prepared from ferrous oxalate and phosphoric acid and dried at 200 DEG  C.), CoO, 2,5H3PO4, and uranyl phosphate containing 2,5 molecules of phosphoric acid per atom of uranium (made from an aqueous suspension of uranyl oxalate and phosphoric acid, and dried at 200 DEG  C).
Patent GB-251037-A (GB)
Title: Tractor tread chain
IPC: B62D55/22
Filed: 1925-01-30
Abstract: 251,037. Gilliland, O. L. Jan. 30, 1925. Endless-track vehicles. - Comprises an endless track in which each ground-engaging link is connected to the next by a block or link having intersecting horizontal and vertical pivot pins. The link 1 is provided with spaced ears 1<d> for the reception of a block 5 carrying a vertical pin 6 which is pivoted in the end of the next link. A horizontal pin 10 forms the pivoted connection between the block and the ears 1<d>, bearing bushes being provided between the pin and these parts. The outer end 5a of the block and the corresponding part If of the link are spherically shaped to allow universal movement within the ears 1<d>. The tread block 4 of rubber or steel is carried by a member 3 riveted to the link. The track is guided round a truck frame by rollers 2 fixed on a shaft 12 carried in bearing bushes in the upper part of the link. The shaft 12 and the pivotal bearings are all lubricated through an oil hole 14. Dust-excluding washers 8, 11, and anti. friction washers are provided,
Patent GB-668137-A (GB)
Title: Improvements in boxes especially for loose leaf holders
IPC: B42F13/00
Filed: 1950-02-02
Abstract: 668,137. Boxes. BELMONT, E. T. Feb. 2, 1950, No. 2749/50. Class 18 A box lid or cover B slides' telescopically over a box body A and is hinged thereto by a pair of hinges C so that the capacity of the box can be varied. Each hinge compises a U-shaped member 20 slidable over a wall 11 of the body A and carrying a lug 25 having a threaded aperture to engage a thumb-screw 27 rotatably confined against axial movement within an aperture in the bottom of the body. A strap 21 riveted to an adjacent wall 16 of the lid B carries at its lower end eyes engaging a pintle 23 passing through eyes on the member 20 thus forming the hinge. A further strap 22 in the form of a semi-circular plate is also rotatable on said pintle 23 and has a slot at right angles to the hinge axis whereby the box may be held in a loose leaf holder by the usual split rings. To maintain the lid and body parallel a pair of adjustable props D are placed opposite said hinge. Each prop is formed by a U-shaped member 37 and a thumb-screw 39 in a similar manner to the hinge construction. The box may be constructed of moulded sheet metal or synthetic thermoplastic material.
Patent GB-214742-A (GB)
Title: Improvements in and relating to rotary valves for engines and pumps
IPC: F01B3/00
Filed: 1923-01-30
Abstract: 214,742. Armstrong, Whitworth, & Co., Ltd., Sir W. G., Lee, H. W., and Fee, F. P. Jan. 30, 1923. Revolving-cylinder pumps; valves, arrangements of. - A rotary valve for an engine or pump with its cylinders parallel to its shaft is mounted in roller bearings j, j<1> and provided with an hole o, leakage being returned to the exhaust or suction side through a pipe connected at g. The valve may also have grooves g, g<1> connected to the ports f, f<1> by holes h, h<1>. According to the Provisional Specification, the valve is mounted in ball bearings.
Patent GB-1185561-A (GB)
Title: Fuel Cell Anode
IPC: H01M4/94
Filed: 1968-01-18
Abstract: 1,185,561. Fuel cell electrode. ATLANTIC RICHFIELD CO. 18 Jan., 1968 [3 Feb., 1967], No. 2877/68. Heading H1B. A hydrocarbon-reforming fuel-cell anode, Fig. 1, comprises a peripheral spacer support 10 between two metallic hydrogen-permeable membranes 12, 14, forming with the membranes an elongated reaction chamber which is filled with hydrocarbon-reforming catalyst 32, and has an inlet and outlet at opposite ends, the dimensions of the chamber being such as to provide a current density of at least 100 mA/cm.<SP>2</SP> at 0À3 volt anode potential and a fuel utilization efficiency of at least 60% when the electrode is fed with a steam-propane mixture having a steam carbon ratio between 2À33 and 3À33 to 1 in a cell at 250-550‹ C. The support 10 may be of nickel or a ceramic. If of a ceramic, it must include a current collector. The membranes may be of palladium or a palladium alloy, e.g. Pd (75%): Ag (25%), optionally supported on a substrate, e.g. graphite. Their peripheries may be protected by nickel frames 20, 22, the assembly being welded together. The catalyst may comprise either a reduced zirconia promoted nickel on alumina treated with alkali, particles of nickel coated refractory containing 4-70% nickel and 0À5-20% metal oxide, hydroxide or carbonate or nickel-coated alkaline earth metal oxide containing 4-70% nickel. The catalyst particles may be larger than 100 mesh and the thickness of the bed at least four times the average particle diameter. In Fig. 1 the region 24 functions as a heat exchanger between the incoming and outgoing gas. Alternative anode structures are illustrated in Figs. 4-9 (not shown). In a fuel cell, Fig. 3, electrode 28 is immersed in electrolyte 54 between cathodes 44 and 46, the spacing of the electrodes in container 42 is maintained by spacers 47, 48 and 50. The electrolyte may be molten NaOH or KoH or a mixture thereof. A plurality of cells may be joined in series or parallel.
Patent GB-1125572-A (GB)
Title: Production of ethyl substituted cyclic compounds
IPC: C07C2/00
Filed: 1966-01-21
Abstract: 1,125,572. Ethyl substituted heterocyclic compounds. MONSANTO CO. 21 Jan., 1966 [22 Jan., 1965], No. 2882/66. Heading C2C. [Also in Division C5] Ethyl-substituted unsaturated heterocyclic compounds are prepared by heating the corresponding methyl-substituted compounds with a paraffinic hydrocarbon in the presence of a modifying agent which is one or more of HBr, HC1, HI, H 2 S or any substance which under the reaction conditions will generate, or be converted to, one or more of these. The precursor methyl-substituted compounds include methylpyridine, di- and tri-methyl pyridines, methylethyl-pyridine, methyl- and dimethyl-pyrans and dihydropyrans, methyl- and dimethylfurans, methyl- and dimethyl - sulpholene, methylethyl - sulpholene, methyl - benzofuran, methyl - thionaphthalene, and methyl - indole. The modifying agents are exhaustively listed, typical being elemental sulphur, gaseous bromine, bromopropane, bromobenzene, 3-chlorohexane, benzenethiol, and hexyl mercaptan.
Patent GB-213057-A (GB)
Title: Improvements in or relating to suspension systems for railway and like vehicles
IPC: B61F5/30
Filed: 1923-01-31
Abstract: 213,057. Vergniole, G. Jan. 31, 1923. Springs, arrangement of, and mounting bodies on.-In a vehicle of the type in which the suspension springs are articulated to the frame members by flexible shackles, the shackles consist of vertically or substantially vertically disposed leaf springs connecting the ends of the suspension springs to the frame either directly or indirectly. The suspension spring 6 is connected at its centre to the axle 1 and at its ends to vertical leaf springs 3 the lower ends of which are embedded in a block 4 pivoted on a pin 5 supported by downwardly extending frame members 9 either directly or through the intervention of springs 10.
Patent GB-160060-A (GB)
Title: Improvements in garment pockets
IPC: A41D27/20
Filed: 1920-01-31
Abstract: 160,060. Cottrell, J. H., and Cottrell, S. Jan. 31, 1920. Pockets.-For protecting the edge of a pocket from the wear caused by clips on fountain-pens or the like, a channel member is fastened over the edge. As shown, the channel member 4 is of transparent celluloid fastened by a paper-fastener 5; it may, however, be of leather, vulcanite, or metal. The protector facilitates the insertion or withdrawal of the pen &c.
Patent GB-1315923-A (GB)
Title: Process for doping silicon dioxide layers
IPC: H01L21/56
Filed: 1972-01-21
Abstract: 1315923 Semi-conductors FRAUNHOFERGESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG e.V 21 Jan 1972 [31 March 1971] 3002/72 Heading H1K In a doping process for introducing foreign materials into SiO 2  layers on a Si substrate, ions of the materials are implanted into selected portions of the Si surface through a mask and the layer containing the ions is thermally oxidized at 800-1000‹ C. to doped SiO 2 . Plural differing implantations may be effected side by side, and the materials may be Cu, Cr, Ag, Mg, Fe, Na, K, Rb, and Cs.
Patent GB-1078775-A (GB)
Title: Rotary drum apparatus for use in the treatment of hides and skins in the manufacture of leather
Inventor: INGLE DOUGLAS BAINES
IPC: C14C15/00
Filed: 1965-01-23
Abstract: An apparatus for washing, liming, deliming, fat liquoring, pickling, bating, neutralizing or dyeing skins and hides, comprises a rotary drum X mounted on a pair of hollow trunnions 11, which drum has in an end wall structure an aperture 15 adjacent the periphery of the drum communicating with the interior of the drum, and a central <PICT:1078775/C6-C7/1> aperture 18 communicating with hollow trunnion 11, the apertures being connected to each other by a duct 14 in the wall structure, or exterior to the drum, such that on rotation of the drum in one direction liquid in the drum is expelled via the duct to the trunnion and on rotation in the other direction the liquid is retained in the drum. The liquid expelled may be passed via valve 22 to waste or via valve 23 to means which recirculate it to the drum.
Patent GB-552634-A (GB)
Title: Improvements relating to apparatus for gauging screw-threads
IPC: G01B5/20
Filed: 1942-03-11
Abstract: 552,634. Screw-thread gauges. HORSLEY, H., and GALLIMORE, W. J. March 11, 1942, No. 3240. [Class 106 (ii)] A gauge for external threads comprises two pairs of members 18, 19 and 20, 21 having teeth for contacting opposite sides of the work piece, the teeth of one pair 18, 19 being shaped to show the full form of the thread, and those of the other pair 20, 21 to show the effective diameter, one member of each pair being fixed to a support 11, and the other members 18, 20 slidably mounted on the support to coact with an indicator 14. The slide 25 is shaped to straddle the member 19 and moves on ball bearings being pressed down by a spring 30. A pin 34 engages on slot 35 to limit movement of the slide, which is moved against the spring 30 by a pivoted lever to admit the work. Fixed back stops 22 are provided to position the work. The plunger 16 of the dial gauge engages a screw 29 in the slide. The device is arranged at an angle of about 45 degrees to the vertical to facilitate the gauging operation. Specification 516,711 is referred to.