baber/WOPTO huggingface dataset:
Patent GB-535474-A (GB)
Title: Improvements in or relating to cylindrical shells or containers
IPC: F17C1/02
Filed: 1939-10-06
Abstract: 535,474. Tanks; gas holders. CHICAGO BRIDGE & IRON CO. Oct. 6, 1939, No. 27357 Convention date, Feb. 17. [Classes 54 and 69 (i)] Cylindrical containers for volatile &c. liquids, gases and liquids with gas above are closed at one or both ends by circular noded end members. A cylindrical shell 10 has an outwardly curved top with a central dome 11d surrounded by a node circle 11a, and the bottom similarly formed but with the node circle 12a of smaller diameter, the low point of the outer part of the bottom being about vertically below the circle 11a. Circular girders 15, 16, are provided at the node circles and are connected by inclined braces 17. The outer part 11b of the roof is about horizontal near the node circle for self-draining. Angle irons 20, 21 brace the upper and lower edges of the shell which may be progressively thicker from the top to the bottom. In another form, the ends each have concentric node circles, while in a further form, the curve of the outer roof plates merges into the walls of the shell.
Patent GB-468026-A (GB)
Title: Improvements in and relating to carburettors for internal combustion engines
IPC: F02M17/24
Filed: 1936-10-08
Abstract: 468,026. Carburetters. STOKISS, E. L. Oct. 8, 1936, No. 27362. Convention date, Nov. 13, 1935. [Class 7 (iii)] A surface carburetter is disposed in the main fuel tank, one or more rows of wicks 17 being supported in holders 4 and dipping into the fuel. Air is drawn from the top of the tank through ports 18 into annular spaces around the top of the wicks and the mixture issues through orifices 20 in diffusers 19 into the interior of a valve 8. The wick holders in each row are brought into action in succession by rotating the valve, which opens simultaneously with the throttle 6. Air is admitted to the tank either above a partition 21 through an automatic valve or below a perforated partition through openings in the filling pipe. In modified constructions, (a) the cross-section of the orifice 20 progressively increases or decreases from one holder to another ; (b) the lower ends of the holders have calibrated orifices, through which the wicks do not protrude, to control the flow of fuel to the wicks ; (c) the valve 6 is omitted and the valve 8 controls an orifice in the mixture passage ; and (d) the wick-holders are brought into action in succession by a slide valve or by a scries of valves.
Patent GB-209796-A (GB)
Title: Improved means for locking nuts
IPC: F16B39/04
Filed: 1923-07-10
Abstract: 209,796. Hull, H. A. July 10, 1923. Locking nuts.-A nut is locked to a bolt by driving a tapered key into a groove g in the underside of the nut and thereby forcing a triangular portion p of the nut, enclosed between the main groove g and two subsidiary grooves l, m into engagement with the bolt. A portion of the bolt thread may be reduced in diameter in the vicinity of the base of the nut to assist the locking means. Specification 104,639 is referred to.
Patent GB-151638-A (GB)
Title: Improvements in timing devices or rotary current distributors for ignition apparatusof internal combustion engines
IPC: F02P7/00
Filed: 1920-09-25
Abstract: 151,638. Bowen, R. S., and Rier, J. R. Sept. 26, 1919, [Convention date]. Rotary distributors; covers and lids. - A casing for rotary ignition apparatus used in internal-combustion engines, is provided with a hollow arm for protecting the wires joining the contact segments to their respective terminals. The casing consists of a cover 2 detachably mounted on a support 1 surrounding the distributor, an upwardly extending hollow arm 7 of the casing enclosing and protecting the leads 9 connecting the terminals 10 to their respective contact segments. The upper end of the. arm forms a seat for the terminal block 11.
Patent GB-319612-A (GB)
Title: Improvements in or relating to thermionic cathodes of vacuum electric tube devices
IPC: H01J1/22
Filed: 1929-09-09
Abstract: 319,612. Westinghouse Lamp Co., (Assignees of Iredell, C. V.). Sept. 24, 1928, [Convention date]. Vacuum tubes. - Indirectly-heated thermionic cathodes comprise a hollow metal body separated from an internal heater by an insulator comprising fired aluminium oxide. The pure unfused oxide is prefired or preshrunk at 1500-1600 C. and, preferably after adding 2 per cent of a material of lower melting point inert to tungsten at high temperatures, such as talc or magnesium silicate, is ball-milled dry to pass a 200-mesh screen and mixed with binder such as flour paste, glycerine, linseed oil, or a solution of nitrocellulose in amyl acetate to form a plastic mass for extrusion. The flour paste is formed by adding water and then ammonia to flour and heating to thicken the solution. After extrusion of the mass to form small tubes with one or more holes and after cutting into lengths, the tubes are air-dried in molybdenum boats, heated to volatilize the binder and fired at 1500-1600 C. in a tungsten or molybdenum wound, hydrogen furnace. A nickel sleeve may be formed about the tube itself in forming the cathode and may be baked in hydrogen to clean it.
Patent GB-1395124-A (GB)
Title: Naphthalene derivatives
IPC: A61K31/13
Filed: 1973-06-08
Abstract: 1395124 Naphthalene derivatives BOTTU 8 June 1973 [9 June 1972] 27431/73 Heading C2C  Compounds of the general formula (R=H, OMe) and their salts are prepared by heating 2-acetyl-6-methoxy or 4,6-dimethoxynaphthalene with ammonium formate and/or formamide, and hydrolysing the intermediate. These compounds are anti-inflammatory agents and analgesics, and may be administered in the form of pharmaceutical preparations containing them in association with a carrier.
Patent GB-156371-A (GB)
Title: Improvements in and relating to apparatus for the purpose of recreation
IPC: A63G21/00
Filed: 1919-11-06
Abstract: 156,371. Wuterich, E. A. Nov. 6, 1919. Tracks for recreation ; water chutes.-The invention of a switchback track T provided with a surface of polished wood, cement, &c., adapted to accommodate a number of users side by side, the track being provided with a number of upward gradients g. g<1> so that the speed is checked and the users almost brought to rest at the top of the gradients. The passengers may ride upon mats. The track may end at the brink of a tank of water and water may be allowed to flow down it.
Patent GB-437220-A (GB)
Title: Improvements in and relating to inductive regulators
IPC: H01F29/12
Filed: 1934-09-25
Abstract: 437,220. Transformers. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London. Sept. 25, 1934, No. 27523. Convention date, Sept. 25, 1933. [Class 38 (ii)] Relates to an induction regulator of the type having four inductances arranged in bridge connection, the supply being to one diagonal and the regulated voltage being taken from the other diagonal, regulation of voltage between a positive and negative maximum being effected by varying the impedance of the inductances in pairs by means of a shortcircuited coil, and consists in arranging the inductances 1-4, in the form of a stator and the short-circuited coil C as a rotor. If desired to obtain transformer action, two sets of windings may be arranged on the stator, the supply being connected to one set and the load connected to the other or alternatively auto-transformer connection may be employed. A single layer, double layer or Gramme ring winding may be used on the stator. The rotor may be wound as in a D.C. machine without commutator and short-circuited in one axis, or may be formed of a number of short-circuited windings arranged parallel to the short-circuit axis. Specification 406,830 is referred to.
Patent GB-603319-A (GB)
Title: Improvements in a device for balancing feed of transmission line to an antenna
IPC: H01P5/10
Filed: 1945-10-19
Abstract: 603,319. Coaxial transmission lines. SELVIDGE, H. Oct. 19, 1945, No. 27608. Convention date, Oct. 21, 1944. [Class 40 (viii)] [Also in Group XL(c)] A coaxial transmission line using a solid dielectric is provided with a connecting section comprising a cylindrical metallic shell which engages snugly over the solid dielectric of the line at the end thereof. The inner end of the shell is connected mechanically and electrically to the outer conductor of the transmission line. In the dual antenna system shown a supporting mast is employed formed of sections 12, 13, and 14, screwed together. Sections 13 and 14 are joined by a double screw 17 which can be used to adjust their distance apart. A transmission line with a connecting piece as above is led up within the mast and terminal connections 61 and 62 on the connector are led out through the mast to the radiator elements 23 of the upper aerial. Another transmission line 68 with a connector piece 69 is led up outside the mast to the lower radiating elements. As shown, a cylindrical shell 71 is secured to a collar 72 engaging the solid dielectric of the line and the collar engages under the outer conductor 43 of the line. A shield 74 is also provided separated from shell 71 by dielectric 81 and of length equal to one-quarter of the wavelength employed. The inner conductor 42 of the line passes right through the shell to form one terminal of the connector and the other is formed on shell 71. Shield 74 balances the impedance of the two sides of the aerial. The terminals pass through an insulating head 84. Specification 606,974 is referred to.
Patent GB-859093-A (GB)
Title: Means for controlling temperature in thermally-insulated vessels
Inventor: PORTER THOMAS
IPC: F25D29/00
Filed: 1957-09-03
Abstract: 859,093. Temperature-responsive actuating-elements; cooling liquids. PORTER & CO. (SALFORD) Ltd., T. Sept. 3, 1958 [Sept. 3, 1957], No. 27701/57. Classes 29 and 64(2) The temperature within an insulated vessel is maintained constant with the aid of a pilot bulb 1 (of a temperature - responsive element), mounted within the insulation 5 on the outside of the vessel wall 6. In the case of a cooling vessel, e.g. for maintaining a liquid at a temperature just above its freezing point, the tube 2 from the bulb 1 may be connected to a switch controlling the flow of coolant in a circuit, but the vessel may be for heating. The bulb is supported by insulating spacers 4 in a metal tube 3 which is closed by a removable plug 7 and which may be located, in the insulation .5, away from the wall 6. The bulb is said to sense external temperature changes before the vessel's contents are influenced by the changes, so for rapid detection of changes in the vessel a second sensing device is located in the vessel.
Patent GB-1314637-A (GB)
Title: Device for controlling displacement of an element
IPC: F16K31/42
Filed: 1971-06-14
Abstract: 1314637 Valves SOC POUR LE DEVELOPPEMENT DE LA RECHERCHE APPLIQUEE 14 June 1971 [18 June 1970] 27763/71 Heading F2V [Also in Division F1] A valve comprises a valve member 2 opening to admit hot gas from an inlet 5 to a discharge nozzle 4 and actuated by a piston 11. Fluid admitted under pressure from a port 23 is stored in a chamber 22, fluid being able to pass to the inside of the piston to hold it against a seal 19. Upon actuation of a solenoid valve 27, the fluid under pressure communicates with an admission chamber 17 whereby the piston 11 is moved relative to a valve rod 3 until abutting a stop 12 and then in unison with the rod to open the valve. After a predetermined movement of the rod, the admission chamber communicates with an expansion chamber 18 so equalizing the pressures; additionally fluid under pressure in chamber 22 vents to atmosphere via a small port 20, and under the action of a spring 24 the valve member moves to the closed position. In a modification (Fig. 2, not shown) the admission chamber 22 and the expansion chamber 18 communicate by a separate duct (28) incorporating an electrically operated valve (29).
Patent GB-740902-A (GB)
Title: Improvements in or relating to the spraying of textile materials
IPC: D06B1/02
Filed: 1952-11-05
Abstract: <PICT:0740902/IV(c)/1> <PICT:0740902/IV(c)/2> An apparatus for the spraying of textile materials with liquid comprises a spray nozzle mounted within a conduit through which the textiles are passed and in which they are directed downwards onto its floor so that any surplus liquid is removed by the passing materials.  Figs. 2 and 3 show a spraying plant comprising a horizontal square conduit 12 through which wool is passed under the action of an air-stream drawn through by an extractor fan. The conduit is first constricted by two adjustable plates 13 which are pivoted about a horizontal axis, this being followed by two atomizing nozzles 23 to which the spraying fluid is fed, the supply system using compressed air as described in Specification 740,889.  Ahead of the nozzles is situated a downwardly inclined baffle plate 26 which restricts the conduit to about one quarter of its normal cross sectional area so that the textile material is carried by the air flow along the floor of the conduit and so absorbs any surplus liquid which may have fallen there.  The baffle plate 26 is pivoted and counterweighted so that it may compensate for surges in the air stream and it may be manually adjusted for minimum closure.  Additional air is let into the conduit via adjustable flap 37 and adjustable openings in the side walls of the conduit.  A removable electric light fitting 33 is mounted over an access port 34 and a transparent sight screen is arranged in the side wall.
Patent GB-279188-A (GB)
Abstract: 279,188. Dorman, Long, & Co., Ltd., and Kirby, M. R. Aug. 4, 1926. Pneumatic conveyers.-A plug c, Fig. 3, which closes an opening b for a clearing rod in a pneumatic conveyer is kept. in position by a clip d, the ends of which are drawn together by screw- and-nut mechanism m, l. The plug comprises a body portion e and a head portion f. A yielding washer i is placed between the head and pipe. When the conveyer is curved, the plug c<1> is inserted in a chamber o, Fig. 7, and is retained by a bar s, Fig. 6, and swing-bolt and nut device u.
Patent GB-1076951-A (GB)
Title: Induction coupling
IPC: H02K49/02
Filed: 1964-07-07
Abstract: 1,076,951. Electromagnetic couplings. KLOCKNER - HUMBOLDT - DEUTZ A.G. July 7, 1964 [July 23, 1963], No. 27935/64. Heading H2A. In an induction coupling having coupling halves which are not supported axially against each other and are mutually separated only by a cylindrical air gap s, one coupling half 1 carries energizing coils 2 providing a radially directed magnetic field which co-operates with a surrounding concentric magnetizable ring 4 forming with a single supporting end disc 5 the other coupling half, the end disc 5 except for a hub 6 is entirely of non-magnetizable material, and the periphery of part of the coils is immediately adjacent the end disc 5. The halves are overhung from rotary shaft ends of machines to be coupled, and slip-rings 7, 8 supply current to the coils.
Patent GB-1271476-A (GB)
Title: Improvements in or relating to refrigeration systems
IPC: F25B5/02
Filed: 1970-06-10
Abstract: 1,271,476. Refrigerators. VILTER MFG. CORP. 10 June, 1970 [13 June, 1969], No. 28107/70. Heading F4H. [Also in DivisionF1] A refrigeration system comprises a screw compressor C having a pair of oppositely rotating and constant mesh helical lobe rotors 6, 7, the rotors defining interlobe cavities which close off a low-pressure suction inlet 8, these cavities becoming progressively smaller to thereby compress the vapour therebetween, the compressor having a high-pressure suction port 20 in communication with the interlode cavities at a location immediately after the point where the low-pressure suction inlet is cut off by the action of the intermeshing rotors. The highpressure line 22, leading to inlet 20, can either be from a second evaporator (as shown) or from a flash chamber.
Patent GB-896661-A (GB)
Title: Actuating mechanism for hydraulic control valves of tracers or duplicators for machine tools
IPC: B23Q35/18
Filed: 1959-08-18
Abstract: 896,661. Copy-milling; copy-turning. ARMYTAGE, F. W. Nov. 16, 1960 [Aug. 18, 1959], No. 28136/59. Class 83 (3). [Also in Group XXIX] A spool valve member 2, as described in Specification 692,642, for controlling an hydraulic ram or rams in a machine tool in response to movements of a stylus operating on a pattern carries a helically toothed wheel 3 coacting with a similar, fixed wheel 4 whereby angular movement imparted to the member 2 by the stylus (not shown) causes axial movement of the member to open and close the ports. The wheels 3, 4 may be segmental instead of circular. The wheel 4 is carried by a block 6 adjustable by screws 10 for setting the mesh of the wheels. Angular movement of the valve member is effected by a bar 12 which extends in opposite directions from the housing 9, is biased to a neutral position by adjustable spring loading, and is acted upon at opposite ends by solenoids under the control of the stylus.
Patent GB-426960-A (GB)
Title: Improvements in targets for dart games
IPC: F41J3/00
Filed: 1933-10-12
Abstract: 426,960. Dart-boards. ROTTENBURG, H., 5, Adams Road, Cambridge. Oct. 12, 1933, No. 28192. [Class 132 (iii)] A dart-board comprises a flat container partly filled with a wax composition which can be melted and allowed to cool for reconditioning. A suitable wax composition can be made by mixing five parts by volume of hard paraffin wax with a melting point of 120‹ C. and one part of petroleum jelly. The wax composition is soft enough not to crack when a dart point enters it, but is hard enough to grip the dart point sufficiently firmly to maintain the dart in the position and pointing in the direction in which it struck the target. Markings on the face of the target may be built up out of bent wire secured to the face of the wax composition after it has congealed by means of pins, staples, or screws. Alternatively, the bent wire can be secured to the container in such a position that when the melted wax composition is poured in, the wire will lie in or on its surface. In a modification, flat strips of metal of width equal to or less than the depth of the wax can be fixed edgewise in the container.
Patent GB-159259-A (GB)
Title: Improvements in and relating to domestic hot water supply systems
IPC: F24H1/00
Filed: 1919-11-13
Abstract: 159,259. Bovis, Ltd., and Tullett, W. E. Nov. 13, 1919. Manually-actuated multiple-way valves.-With a boiling-pan b having a water inlet f at the bottom and outlets h at the top, a three-way valve is combined which controls the supply of cold water to the bath or other place supplied and also the pan b. Water entering at i is directed through one of two opposite outlets j by a hole m in a sleeve l rotating with the valve stem n. In one position of the valve, cold water passes direct to the bath; in the other the cold water entering the pan b causes hot water to flow to the bath by the outlets h.
Patent GB-278199-A (GB)
Title: Improvements in and relating to leaf turners
IPC: B42D9/08
Filed: 1926-07-02
Abstract: 278,199. Meyer, G. E. July 2, 1926. Leaf-turners. - An upper frame bar 10 carrying the leafturning arms is vertically adjustable on standards 7 rising from a base 1. The device is secured detachably to a piano by clips 49 and by screw clamps 3 supporting the base plate 1 and back plate 6 rising therefrom and having sockets 8 wherein the standards 7 engage. Sleeves 9 on the back of the bar 10 engage the standards and latches 12 on the front of the bar carry pins projecting through openings in the bar into sockets 15 on the standards. Specification 278,092 is referred to.
Patent GB-284421-A (GB)
Title: An improved process for the production of sterilized and stable vegetable bristle orfibre
IPC: D01C1/02
Filed: 1926-11-10
Abstract: 284,421. Averseng, G. Nov. 10, 1926. Retting.-The fermentable saps or juices, soluble mineral salts, and the pectic matter contained in vegetable bristles or fibres are extracted by immersion in a bath of cold, warm, or boiling water at atmospheric or higher pressure with or without circulation in the bath, after which the material is immersed in an antiseptic or anticryptogamic bath, either mineral or organic, such as sulphate of zinc, or copper, salicylic acid or the like, or a mixture of such substances, the preferred antiseptic or like material being inodorous and innoxious to the people engaged in the subsequent manipulation of the fibre. The two treatments may be effected simultaneously by merely boiling the bristles &c. in the second bath above mentioned. The treated fibre may be used alone or mixed with animal fibre or other material.
Patent GB-610720-A (GB)
Title: Improvements in or relating to fuel supply systems for internal-combustion engines
IPC: F02M69/04
Filed: 1945-10-26
Abstract: 610,720. Supplying fuel. FARMER, G. H. Oct. 26, 1945, No. 28336. [Class 7 (iii)] A small bleed hole 17 is provided for the escape of air or fuel vapour in a fuel system of the type wherein liquid fuel, delivered by a pump to a metering device controlling the supply in accordance with one or more of the engine variables, is discharged into the intake air stream at a pressure determined by a valve 11 in the injection nozzle. The pressure of the fuel entering the injection nozzle at 15 and acting on a spring-controlled diaphragm 16 lifts a needle valve 11 to allow the fuel to be injected by an air blast at 12, and air or vapour trapped in the fuel escapes through an orifice 17, down the hollow stem of valve 11 and out through the conduit 18. The valve 11 may be solid and provided with a bleed passage drilled down its length, or grooves may be provided on the inclined surface of the valve where it engages its seating 12.
Patent GB-173090-A (GB)
Title: Improvements in and connected with the handles of spades, forks and the like implements
IPC: B25G3/02
Filed: 1920-10-06
Abstract: 173,090. Timmings, T. Oct. 6, 1920. D - handles; sockets, tangs, and the like of special form.-D-handles for spades, forks, &c. of the type comprising two metal members fixed to the main shaft and carrying the transverse grip, have the grip-carrying members formed each with a side extension adapted to fit the shaft and to be secured thereto by two transverse rivets at right-angles to each other. As shown, each of the members a, b, between which the grip d is fixed, is formed with a curved side extension a<1> or b<1> respectively; these are fixed on the shaft c by two rivets g at right-angles to each other passed through the two holes h in each extension. The end of the shaft c may be formed with a recess e for the parts a', b', and with an enlargement f which overhangs the upper ends of the parts a<1>, b<1>.
Patent GB-1534545-A (GB)
Title: Rear-view mirror system
IPC: B60R1/10
Filed: 1976-05-19
Abstract: 1534545 Rear-view mirrors N A ANSTEY 19 May 1976 [5 July 1975] 28418/75 Heading B7J A rear-view mirror system adapted to provide rear vision over the roof of a vehicle without requiring an aperture in the roof comprises in combination an upper optical unit receiving light from the rear of the vehicle and a lower optical unit visible to a driver through the windscreen in which each unit provides one or more optical deflecting surfaces formed on one or more faces of a block of transparent plastics material. The units are formed from two separate blocks of plastics material or incorporated into a single block of plastics material.
Patent GB-297236-A (GB)
Title: Improvements relating to siphonic flushing cisterns
IPC: E03D1/08
Filed: 1927-10-26
Abstract: 297,236. Twyfords, Ltd., and Webster, J. T. Oct. 26, 1927. Valve and siphon discharge water-waste preventers; siphon - discharge water-waste preventers; cisterns for.- The siphon is formed integral with a wall and the bottom of a flushing cistern; it may be started by a valve 1, Fig. 1, a vertically or horizontally movable plunger or a hinged flap 13, Fig. 11, working in conjunction with a chamber forming an extension of the lower end of one of the legs and projecting into the interior of the cistern above the bottom.