baber/WOPTO huggingface dataset:
Patent GB-616909-A (GB)
Title: Improvements in magazines for automatic fire arms
IPC: F41A9/70
Filed: 1946-09-19
Abstract: 616,909. Automatic firearms. VERWALTUNGSGES. DER WERKZEUGMASCHINENFABRIK OERLIKON. Sept. 19, 1946, No. 28166. Convention date, Oct. 4, 1945. [Class 119] A cartridge magazine 1 for an automatic firearm has on each side of the magazine outlet a pivoted member 2, 3, one end of each member contacting the outermost cartridge 13 and the other end supporting the next cartridge 10, so that on withdrawal of the outermost cartridge 13, the pivoted members move under the pressure of the next cartridge allowing the latter to occupy the position of the withdrawn cartridge. The members 2, 3 are mounted on pivots 4, 5 in the magazine walls, around which pivots are arranged springs 6, 7 having their inner ends in contact with the members 2, 3 and their outer ends within the magazine walls, the springs holding the lower faces 11, 12 of the members 2, 3 apart while the magazine is being filled. When the magazine is inserted in the firearm, the leading cartridge 13 is held between the faces 11, 12 of the members 2, 3, the upper faces 8, 9 being thus pressed inwards to support the next following cartridge 10.
Patent GB-1056416-A (GB)
Title: Fluid-pressure actuated servo positioning device
IPC: F15B9/12
Filed: 1964-07-08
Abstract: 1,056,416. Fluid-pressure servomotor systems. McNAMEE INDUSTRIES PTY Ltd. July 8, 1964 [July 22, 1963], No.28198/64. Heading G3P. A reversible electric motor (not shown) controlled by an input signal, e.g. a temperature or pressure, turns an internally threaded sleeve 11, through a flexible coupling 23, whereby the sleeve moves axially to displace a rod 26 and spool valve 31 to connect a hydraulic piston and cylinder motor (not shown) to pressure or exhaust, the consequent movement of the motor, which may operate a bank of baffles in a boiler flue, giving a feedback motion through a flexible wire 40 passing round a disc 49 secured to a disc 19 and a threaded sleeve 14. The sleeve 14 is held against axial movement so that its rotation returns the outer sleeve 11 to its original, neutral, axial position to stop the motor. The disc 49 may be cam-shaped to provide a non-linear characteristic. Alternatively, for linear operation, the wire 40 may be passed once round the disc 19 and continue over a pulley 42 to a fixed anchorage and carry a counterweight 43 or spring. The sleeve 11, which may also be manually operated, is limited in its rotation relatively to the sleeve 14 by a pin 50 coacting with an arcuate cut-out 51 in a disc 22, and the discs 19, 22 may be graduated for observation. The spool valve shown is three-ported for control of a single-acting motor but it may be four-ported for a doubleacting motor. The wire 40 may be replaced by linkage, and an air operated valve may replace the spool valve 31. The rod 26 is of triangular cross-section to allow passage of oil and an oil reservoir 45 is provided for lubrication of the screw threads.
Patent GB-1209267-A (GB)
Title: Improvements in or relating to aircraft with directional antennae
IPC: H01Q1/28
Filed: 1968-06-13
Abstract: 1,209,267. Aerials. NORD-AVIATION SOC. NATIONALE DE CONSTRUCTIONS AERONAUTIQUES. 13 June, 1968 [14 June, 1967], No. 28280/68. Heading H4A. An aircraft aerial system is constituted by arrays of slots in linearly-extending waveguides. Electronically controlled phase-shifting elements are interposed between slots, so that the direction of the beam from an array may be varied. A transmitting aerial is provided along the longitudinal axis of the aircraft, and at least one receiving aerial is provided along the axis of greatest thickness of each wing. For aircraft with wings having no sweepback, the receiving aerials may consist of a pair of arrays of slots along the wings, and a pair of arrays of slots along the longitudinal axis of the aircraft, the latter being decoupled from the transmitting aerial. For aircraft with sweptback or delta wings 5, 6, Fig. 4, the receiving aerials may consist of two parallel arrays of slots 7, 8 and 9, 10 along each wing. In this way the receiving aerials produce overlapping and crossed radiation patterns 7a, 8a and 9a, 10a which explore the space 4 covered by the transmitting aerial beam.
Patent GB-535742-A (GB)
Title: Improvements in or relating to electrical conductors
IPC: C09D167/00
Filed: 1939-10-20
Abstract: 535,742. Synthetic resins ; electric conductors. STANDARD TELEPHONES & CABLES, Ltd. (Western Electric Co., Inc.). Oct. 20, 1939, No. 28338. [Class 2 (iii)] Electric conductors are insulated by a coating of a super-polyester prepared, for example, as described in U.S.A. Specification 2,071,250. The coating may be applied to a bare conductor, to a fibre or rubber-covered conductor or over an enamel coating by drawing the conductor through a bath of molten superpolyester. To reduce the viscosity of the melt a small amount of non-volatile, normally solid solvent, maybe added, e.g. diphenyl or #-naphthol. Fibrecovered conductors may be superficially coated or impregnated. Textile threads may be individually impregnated and applied to the conductor by braiding, knitting or sewing. Specified superpolyesters are the polymeric forms of ethylene sebacate, ethylene propylene sebacate, trimethylene azelate, diethylene glutarate, ethylene diethylene heptadecamethylene - dicarboxylate and self-esterification products of 11-hydroxy stearic acid or #-hydroxy undecylic acid.
Patent GB-340022-A (GB)
Title: Means for synchronising reproduced sound with projected cinematograph films
IPC: G03B31/00
Filed: 1929-09-19
Abstract: 340,022. Marshall C. Sept. 19, 1929. Gramophones associated with kinematographs. -Relates to combined kinematograph and soundreproducing apparatus in which two indicators are provided, one moving in accordance with the picture film and the other in accordance with the movement of the stylus across the sound record, both indicators being graduated according to markings on the picture film. According to the invention, the gramophone indicator is operated by a toothed segment on the pivotally mounted pick-up arm. Synchronism can thus be easily restored should the pictune film break, or should the stylus jump the record groove. As shown, a motor 1 drives through gearing 5, 9 the shaft 2 of one or more turntables 3 and the spindle 18 of a projector 46. The spindle 2 drives through gearing 24 - - 31 an indicator dial consisting of one or more discs 19 which is or are movable beneath a window 22 bearing a fixed indicator 23. The indicator disc 19 is fixed to the spindle 33 on which the worm wheel 32 driven by the gearing 24 - - 31 is loosely mounted, and a friction washer 34 is positioned between the members 19, 32. The disc 19 may thus be set manually by turning the spindle 33. The indicator casing 10<a> is supported on rubber buffers 12 on the frame 10 to absorb vibration, the turntable being supported on a flange which bears on a vulcanite washer 13 carried by the casing 10<a>. A second indicator, driven from the pick-up arm 35 by pinion and quadrant gearing 40, 38, may consistof a pointer 37 movable over a dial 36, the quadrant 38 being concentric with the pivot 39 of the arm 35. The pointer may be set by turning a screw 44 which moves a spring- urged arm 38a on the sector 38 relatively to the pick-up arm 35. To ease the load on the pick-up arm, the quadrant arm may be attached to a weight-carrying cord passing over a pulley. The pick-up arm may also carry a balance weight 42. Should the pick-up needle jump the record groove, synchronism is restored by moving the pick-up arm 35 until the two indicators show corresponding readings. Should the picture film break, the mark on the part of the fresh portion of film threaded through the projector is noted and the two indicators are set to agree therewith, the needle being lifted from the record during resetting. The indicator finger 37 may be driven frictionallv in a similar manner to the indicator 19. The motor shaft 4 and the turntable spindle 2 may be in two or more sections connected by cushion couplings. To enable the projector to be tilted, the housing 47 enclosing the gears connecting the shafts 4, 18 is rotatably carried on the housing 15 of the shaft 4. The shaft 18 may have a telescopic joint 51 and may be in sections connected by one or more cushion couplings 52.
Patent GB-1213551-A (GB)
Title: Improvements relating to detonation wave combustion
Inventor: EDWARDS BRIAN DRAYCOTT
IPC: F23R7/00
Filed: 1968-06-14
Abstract: 1,213,551. Generating combustion products under pressure. ROLLS-ROYCE Ltd. June 6, 1969 [June 14, 1968], No.28389/68. Heading F1L Combustion apparatus 10 comprises a toroidal combustion chamber 12 around which rotate continuously combustion initiating detonation waves, and means for successively supplying a region of the chamber, between the passage of successive wave crests therepast, with a supply of a gaseous oxidant followed by a supply of a detonatable mixture of the oxidant and of a fuel, the oxidant forming a barrier layer between the combustion gases and the mixture to prevent pre-ignition. The combustion chamber 12 has inlet and outlet ducts 13,14 respectively, the duct 13 communicating with a mixing chamber 16. The latter is connected through annular ducts 20, 21 with annular fuel and oxidant manifolds 22, 23 respectively. The fuel manifold 22 contains atomized kerosene or gaseous methane, ethylene or hydrogen and the oxidant manifold 23 contains air, oxygen - enriched air or pure oxygen. Rotation of the detonation waves around the combustion chamber 12 is initiated by an igniter 15. At any point of the chamber 12 the pressure reaches a maximum value (e.g. 150p.s.i.) when a detonation wave crest passes that point and then falls off until the next wave crest arrives. Since the oxidant in manifold 23 is maintained at a higher pressure (e.g. 60 p. s. i.) than the fuel in manifold 22 (e.g. 30 p. s. i. ), oxidant enters the combustion chamber 12 when the pressure at a point behind a detonation wave crest has fallen below the oxidant pressure. When the pressure has fallen still further to below the fuel pressure a mixture of fuel and oxidant enters the chamber 12 and subsequently ignites. The oxidant admitted prior to the mixture thus prevents pre-ignition by providing a barrier layer between the mixture and the combustion gases.
Patent GB-1182734-A (GB)
Title: Scrubber Apparatus
IPC: G01N1/34
Filed: 1968-06-14
Abstract: 1,182,734. Separating gas mixtures. BECKMAN INSTRUMENTS Inc. 14 June, 1968 [28 June, 1967], No. 28442/68. Heading B1L. [Also in Division C1 Ozone is removed from a gas stream containing sulphur dioxide and ozone by adsorbing the ozone with alkylthio mercury chloride, dialkylthio mercury alkylthio lead chloride, dialkylthio lead or a mixture thereof. The adsorbent is preferably coated on a granular support having a large surface area, and may be produced by reacting mercuric or lead chloride with a mercaptan, preferably ethyl mercaptan. Hydrogen sulphide and/or mercaptans may also be removed from the gas stream by adsorbing them with mercuric lead chloride, preferably coated on a granular support. The invention is applicable to removing impurities from a sulphur dioxide stream before it passes through an SO 2  analyser. The gas is passed through a scrubber 12 containing the adsorbents on the granular support (e.g. PTFE), which may be provided with a heater 20 to maintain the temperature at about 40C.
Patent GB-1510625-A (GB)
Title: Radar circuit arrangements
IPC: G01S7/02
Filed: 1975-08-15
Abstract: 1510625 Reducing interference PLESSEY CO Ltd 15 Aug 1975 [26 June 1974] 28446/74 Headings H4L and H4D The invention utilizes the principle that the polarization of the echo from a target is more randomly polarized than that from a jammer, and comprises two receiving aerials b, c arranged to receive angularly-spaced polarizations (e.g. +45 degrees, - 45 degrees) and to feed an interference canceller f which includes a circuit which applies a portion of input signals at e, modulated in amplitude and phase by g, additively to the signal input at d so as to achieve zero correlation between the final output at h and a sample j of input e. A "blank-and-hold" circuit k is added to reduce clutter. Specification 1,504,517 is referred to.
Patent GB-1004458-A (GB)
Title: Improvements in or relating to pouring nozzles for containers and containers fitted therewith
IPC: B65D25/42
Filed: 1961-08-08
Abstract: 1,004,458. Pouring spouts for containers; stoppers. H. GLASMACHER, and H. H. REUSS, [trading as BLECHWARENFAB. BRIK GUSTAV GRUSS & CO.]. Aug. 8, 1961 [Aug. 5, 1960; Sept. 21, 1960], No. 28554/61. Headings B8D and B8T. A pouring nozzle filled from within through an aperture 2 in a container has a flange 6 abutting on the inside of the container and adjacent a doubly-cored portion 7, 8, the part 8 facilitating insertion and the part 7 engaging the sharp edge 4 of the aperture to lock the insert into position. The insert may be closed by a cap 11 or a screw cap or tear-off cover and the cap and insert are preferably made of plastics. An annular strengthening corrugation 12 on the container around the aperture 2 may be provided with tangential extensions 13.
Patent GB-579963-A (GB)
Title: Improvements in electric frequency dividers
IPC: H03B19/12
Filed: 1939-10-24
Abstract: 579,963. Relaxation oscillators. DODDS, J. M., SCOLES, G. J., HAINE, M. E., ARCHER, R. F., and METROPOLITANVICKERS ELECTRICAL CO., Ltd. Oct. 24, 1939, Nos. 28604/39 and 14400/40. [Class 40 (v)] An electric frequencydivider comprises a gridcontrolled discharge device having an anode load resistance across which the output voltages of reduced frequency are developed, and a cathode circuit comprising resistance and capacity in parallel, the grid being connected to the remote side of this circuit and the input voltage being applied to the grid of a hard valve in series with the combination. As shown, the series combination comprises an output resistance R, a grid-controlled gas-filled tube T, a time-constant circuit C1, R1 and a hard valve A. The input frequency is applied to the grid of the hard valve and a D.C. voltage is applied to the whole series combination. During a positive half-cycle of applied voltage, the tubes T, A conduct, the condenser C1 is charged, and the grid of the tube T becomes negative relative to its cathode. Until the charge of the condenser C1 leaks away sufficiently through the variable resistance R1, subsequent positive half-cycles fail to ignite the tube T. The output across R is therefore at a frequency which is a submultiple of the applied frequency. A fixed resistance may be connected in series with the variable resistance R1 and the junction point connected to HT+ through a third resistance. The output frequency, which is selected by adjustment of the resistance R1, is indicated by a current meter connected through a condenser and rectifier across the output terminals. The meter current may be smoothed by a shunt condenser and rectifier, assisted by a series choke coil and resistance, Fig. 8 (not shown).
Patent GB-265692-A (GB)
Title: Improvements in or relating to devices for reducing glare of vehicle lamps
IPC: F21V14/08
Filed: 1925-11-13
Abstract: 265,692. Bull, F. H. Nov. 13, 1925. Lantern screeens.- An anti-dazzle device for a vehicle lamp comprises a fan-like shutter of considerably smaller diameter than the aperture of the lamp with which it is to be used, and preferably so mounted as to be adjustable transversely of the lamp. The blades may be made of coloured celluloid or other transparent or opaque material. and they may be made without pitch and driven as by a flexible shaft from a roadwheel or ather moving part of the vehicle, or propeller-like blades may be rotated by the air when the vehicle is moving. In the forms shown, two or more blades 11 are carried by a boss 10 freely rotatable on a short spindle 12 which may be secured to a rubber suction-cup 19, Fig .3, or to a socket 13 adjustably mounted on a rod 15 one end of which is provided with jaws 16 whilst the other end is threaded to receive a jaw member 17, as shown in Fig. 2. Specification 205,949 is referred to.
Patent GB-380963-A (GB)
Title: Improvements in stretcher elevating gear for ambulances
IPC: A61G3/00
Filed: 1931-10-15
Abstract: 380,963. Ambulances. PAYNE, L. W. G. and CARTERS (J. & A.), Ltd., 2, New Cavendish Street, London. Oct. 15, 1931, Nos. 28707/31 and 16944/32. [Class 108 (i).] In an ambulance wherein one stretcher is supported above another bv a carrier mounted on four parallel levers and the lowering of the carrier compresses springs which subsequently assist the raising of the carrier, the springs are connected to the levers by cables. As shown in Figs. 1 and 2, the carrier, comprising runners 5 and cross-bars 7, is supported on tubular levers 8 pivoted at 9 on brackets 2 supporting the runners 1 of the lower stretcher. The springs 12, mounted in the levers 8, are compressed when the carrier is lowered by blocks 13 on cables 14 which are connected at 16 to the brackets 2. A pivoted bolt 19 actuated through a Bowden wire 18 by a handle 17 engages notches 20, 21<1> in a member 21 to lock the carrier in its raised or lowered position. In a modification, Figs. 4 and 5, in which the carrier comprising runners 36 and cross-bars 38 is supported on levers 34 pivoted in bearings 23, the springs 46, mounted in tubes 45, are compressed when the carrier is lowered by piston members 48 on cables 44 passing over pulleys 46<1> on uprights 30 and connected by shackles 43 to a bar 42 connecting two of the levers 34. The carrier is locked in its raised position by a hook 50, pivoted to a runner 36 and engaging a pin 51 on a bracket 52, the hook being operated to release the carrier by a handle 53 connected by a block 54 to a sliding rod 55. When the carrier is lowered spring-controlled bolts 58, secured to or integral with the handle 53, snap under lugs 61 on the runners 22. Bleed holes at the end of the tubes 45 adjacent the members 48 regulate the movement of the carrier and buffers 49 on the uprights 30 cushion the return of the levers 34 to their vertical position. The lower runners may be provided with sliding or pivoted extensions extending beyond the rear of the vehicle to facilitate the loading or unloading of the lower stretcher.
Patent GB-227800-A (GB)
Title: Improvements in or relating to processes for the separation of the constituents of fluid mixtures
IPC: F25J3/04
Filed: 1924-12-01
Abstract: 227,800. Soc. l'Air Liquide, Soc. Anon. pour l'Etude et l'Exploitation des ProcÚdÚs G. Claude. Jan. 19, 1924, [Convention date]. Separating gaseous mixtures by liquefaction. - Krypton and xenon are extracted from air treated in liquefaction apparatus by continuously removing from the liquid richest in oxygen a fraction, vaporizing a proportion of the fraction in an auxiliary vaporizer, the unevaporated liquid removing from this fraction, which is treated in like manner, and so on until a sufficient concentration is reached. The evaporation of the various fractions may be utilized in the liquefaction of the air. The last fractions may be rectified. The process may be applied to other liquids containing relatively small quantities of less volatile liquid, for example it may be used in the treatment of natural gases containing krypton and xenon. The Figure shows diagrammatically apparatus in which oxygen is vaporized in the base of a rectifier V<1>, the gas escaping by the outlet A while a liquid fraction is drawn off into a second vessel V<2> in which a portion is vaporized while a portion of the liquid is drawn off into a smaller evaporating vessel V<3>, and so on. The oxygen may be collected in separate fractions or mixed with that from the outlet A. In a modified apparatus the vaporizer V<1> is divided into compartments each communicating at its lower end with the next in size and traversed by the rectifying tubes. The fraction of liquid withdrawn in each case will depend on the relative sizes of the compartments and on the number of tubes traversing them.
Patent GB-187968-A (GB)
Title: Improvements in or relating to electric cables
IPC: H02G15/14
Filed: 1922-10-24
Abstract: 187,968. Siemens & Halske Akt.-Ges. Oct. 25, 1921, [Convention date]. Couplings.-In cable sleeves of the kind used to enclose the connections between sections of a cable, an elastic connection is provided between the end of the sleeve and the cable such that the resistance to strain decreases from the end of the sleeve towards the cable. The, two ends of the sleeve f, Fig. 6, are provided with an elastic bolster g, round which is wound, for example, a conical spiral spring e with cross-section decreasing from the end attached to the sleeve to that attached to the cable c. The same result may be obtained as shown in Fig. 8, by superimposing a number of helical springs e<1>, e<2>, e<3> of different lengths.
Patent GB-909318-A (GB)
Title: Improvements in the preparation of photographic colour images by colour development
Inventor: BRAZZI ANGELO
IPC: G03C7/32
Filed: 1960-08-22
Abstract: N-Stearoyl-p-(benzoylacetamino)benzene sulphonamide is prepared by heating p-benzoylacetamino-benzene sulphonamide (obtained by the action of ammonia on the sulphochloride) with stearoyl chloride. N-Hexadecylsulphonyl-p-(acetylacetamino)benzene sulphonamide, N-(p - stearoylamino-sulphonylphenyl)-p-benzoylacetamino)benzene sulphonamide and N-hexadecylsulphonyl - 2 - cyanacetyl - coumarone-5-sulphonamide are similarly prepared.  N - (p - Stearoylamino - sulphonylphenyl)-1-hydroxy-2-naphthamide is prepared by heating N-stearoyl sulphanilamide with 1-hydroxy-2-naphthoic acid phenyl ester. N-(p-acetylaminophenylsulphonyl)-1-hydroxy-2-naphthamide is prepared analogously.  N - (1 - phenyl-5-keto-pyrazolinyl-3)-N1-(p-toluenesulphonyl)-urea is prepared by adding 1-phenyl-3-amino-5-pyrazolone to p-toluene sulphonyl-isocyanate.  The corresponding N1-(p-hexadecylphenylsulphonyl) and N1-hexadecylsulphonyl compounds are prepared analogously, as are N-(p-hexadecylsulphonylaminocarbamyl-benzoyl acetyl)-o-anisidine and N-(2 - hydroxyphenyl) - N1 - hexadecylsulphonylurea. N-(Myristoylaminosulphonyl) - p - cyanacetylaniline is obtained by reacting myristic acid with N-carbonyl-sulphamyl chloride and condensing the product with p-cyanacetyl-aniline.  1-Phenyl - 3 - (myristoylaminosulphonylamino)-5-pyrazolone is similarly prepared.
Patent GB-363019-A (GB)
Title: Improvements in glass bottles
IPC: B65D1/02
Filed: 1930-09-27
Abstract: 363,019. Bottles. FORSTER'S GLASS CO., Ltd. and FORSTER, W., Atlas Glass Works, St. Helens, Lancashire. Sept. 27, 1930, No. 28974. [Class 125 (i).] The base of a glass bottle is formed with an inwardly tapering portion B, having a gradually increasing cross section, and, at the junction of the side wall C with the base, the radius of curvature of the inner surface is greater than that of the outer surface. The thickness of the portion A is preferably at least three times that of the wall.
Patent GB-1508169-A (GB)
Title: Substituted cyclopenta(b)furan compounds useful in the synthesis of prostaglandin analogues
IPC: C07D409/06
Filed: 1975-12-10
Abstract: 1508169 Cyclopenta[b]furan derivatives PFIZER Inc 10 Dec 1975 [11 Dec 1974] 29060/77 Divided out of 1508168 Headings C2C and C2P [Also in Division C3] The invention comprises cyclopenta[b]furan derivatives of the formula and the C 15  epimers thereof, wherein Ar is 2- or 3-thienyl, 5-phenyl-2- or 3-thienyl, 5-(C 1-6  alkyl)-2- or 3-thienyl, 1- or 2-naphthyl, tropanyl, phenyl, 3,4-dimethoxyphenyl, 3,4-methylenedioxyphenyl, 3,4-dichlorophenyl, 3,5-dimethylphenyl or mono-substituted phenyl, wherein said substituent is Br, Cl, F, CF 3 , phenyl, C 1-6  alkyl or C 1-6  alkoxy, R is H or CH 3 ; and R<SP>11</SP> is 2-tetrahydropyranyl; Z is a single bond or trans-double bond; and Q is oxo or or when Q is oxo, R<SP>11</SP> is H or the group OR<SP>11</SP> together with the hydrogen atom and the C 15  carbon atom together form a carbonyl group, and their preparation, by standard methods. Phosphonates of the formula are prepared by reacting dimethyl methylphosphonate with methyl esters of the formula in the presence of butyllithium.