baber/WOPTO huggingface dataset:
Patent GB-385318-A (GB)
Title: Improvements in and relating to liquid meters
IPC: G01F3/38
Filed: 1931-04-21
Abstract: 385,318. Liquid meters. FLUID METERS, Ltd., 104, High Holborn, London, TRUE, R. A., White Lodge, Garton End, Peterborough, FRANKLIN, G. V., 10, New Cavendish Street, London, BENSON, H. A., 78, Cromwell Road, Peterborough, and RIPPINGILLE, F. S., Grosvenor House, Hogley Road, Birmingham. April 21, 1931, No. 11806. [Class 69 (i).] In a liquid meter having a float in the measuring chamber for controlling liquid entry and discharge, the inlet and outlet ports are controlled by snap action sleeve valve means. A pair of sleeve valves may be operated by means described in Specification 241,738, or a single valve may control both inlet and outlet ports. In the form shown in Fig. 1, the float acts through abutments 27, 28 on the valve 17, the abutment 27 being connected to the inner ends of toggle links 30 ; the outer ends of the links are slidable in horizontal slots in posts 33 and are connected by springs 34. The toggle mechanism may be arranged above the float, a choke tube may be connected to the inlet, the float may have an air release pipe and the valve wall or seat may have grooves. In another form, the lower abutment is connected to one end of a lever 37, Fig. 3, the opposite end of which is acted on by springs 41. A further form has the valve connected by links 43, Fig. 7, to levers 44, and springs 47 connect these levers to a pin 49 carried by links 48 and engaging a collar 50 ; adjustable stops are provided for limiting the valve motion, and the inlet and outlet ports may be duplicated.
Patent GB-542251-A (GB)
Title: Improvements relating to full fashioned stockings
IPC: D04B1/26
Filed: 1940-07-18
Abstract: 542,251. Stockings. DJANOGLY, S., and RELIABLE HOSIERY, Ltd. July 18, 1940, No. 11864. Drawings to Specification. [Class 141] [Also in Group VIII] A knitted stocking is fashioned in the leg by means of narrowings in or near the selvedges. The fashion marks disappear when the article is seamed up.
Patent GB-976780-A (GB)
Title: Gaseous discharge control device
IPC: H01J17/04
Filed: 1962-03-28
Abstract: 976,780. T-R switches. BOMAC LABORATORIES Inc. March 28, 1962 [April 3, 1961], No. 11932/62. Heading H1D. A gaseous discharge tube for the control of transmission of microwaves comprises a metal plate member 3, Fig. 2, defining a central rectangular opening and having a coating of a dielectric material adjacent to the opening, an inner dielectric cylinder 7, 8 sealed to the opening along the narrow dimension thereof, a pair of outer semi - cylindrical dielectric members 14, 15 sealed to the coating along all sides of the opening and concentric with the inner dielectric cylinder 7, 8 to form a vacuum-tight envelope, the semi-cylindrical members being sealed along the longer sides of the opening in such a manner as to provide for the protrusion of the adjacent metallic edge 11 within the annular gap, and a filling of ionisable atmosphere in the envelope. Glass frit is coated on both sides of metal plate 3 and on the side of the opening. The inner dielectric members 7, 8 have interfitting depressions and notches and have semicylindrical tubulations 13 for air or liquid cooling. An exhaust tube is provided for filling the device with argon at 4-10 mms. Hg. The tube 14, 15 is longer than the tube 7, 8 so as to provide gas reservoirs at each end. The device may be used as a duplexer, TR switch or A.T.R. tube. The plate 3 may be screwed to a waveguide iris 4 having therein a resonant or non-resonant window.
Patent GB-667761-A (GB)
Title: Improvements in and relating to accessories for use with a typewriter
Inventor: TEDDER ERNEST C
IPC: B41L1/16
Filed: 1950-05-12
Abstract: 667,761. Carbon sheet holders. CARTERDAVIS, Ltd. May 12, 1950, No. 11956/50. Class 16. A carbon pack for use with continuous stationery comprises carbon sheets 2, 3, 4 and a backing sheet 1, stitched together at the sides at 5 through reinforcing strips 6. The upper edge of each carbon sheet is reinforced by an adhesive edging. Finger notches 7 are provided in each carbon sheet. The backing sheet 1 has an extension with converging side edges 8, and its end is folded over and secured by adhesive, stitching or otherwise to form a tubular loop 9, having a central slot 10. A stop and guide bar comprises a strip 11 of wood or other suitable material, near each end of which is secured by  a rivet 14 a guide element 12 separated from the strip 11 by a spacer, to form a hook-like assembly. The ends of the bar are chamfered. The bar is inserted in the loop with the elements 12 on the same side of the strip 11 as the carbon sheets are of the backing sheet, and a pin 15 secured to the strip engages in the slot 10. In  use, the stationery webs are interleaved between the carbon sheets and passed between the strip 11 and members 12, and the webs and carbon pack inserted in a typewriter. When a form or page has been typed, the bar encounters the typewriter roller and arrests the movement of the stationery, and when platen pressure is released, the bar rotates the carbon pack in position while the webs are pulled through and the typed portions torn off. Specification 414,044 is referred to.
Patent GB-455501-A (GB)
Title: Improvements in or relating to aeroplanes and the like
IPC: B64C21/02
Filed: 1935-04-18
Abstract: 455,501. Controlling aircraft. NAZIR, P. P., Marlow, Petersham Avenue, Byfleet, Surrey. April 18, 1935, No. 11994. [Class 4] In an aircraft a normally closed slot connects the upper and lower wing surfaces, is situated towards the trailing edge of the wing, and is associated with a plate or flap movable to project downwardly and rearwardly from the wing to give auxiliary lift and movable to project upwardly and increase the drag, the slot being opened when the plate is moved downwardly. In one form, a slot 2 is normally closed by a plate 3 which is adjustable about an axis 5. The slot is maintained closed during upward movement of the flap by contact of the surfaces of the plate 3 and of the wing 6. The axis 5 may be situated above the wing in which case the plate 3 may pass through a narrow slot in the wing situated towards the upper end of the slot 2. In a modification, the slot 2 is controlled by two plates 9, 10 pivoted, respectively, about axes 13, 14 and controlled by a cable 15 to move concurrently with the flap or aileron 18. In a further modification, the slot is controlled by a plate slidable in a slot which intersects the upper end of the slot 2. The plates may be apertured and plates on opposite wings may be operated together or differentially. The slots may be applied to tail planes. The plate when projecting upwardly may open the slot and lie to its rear.
Patent GB-981032-A (GB)
Title: Improvements in or relating to the production of solid free-flowing preparations containing a biologically-valuable substance
IPC: A23L33/155
Filed: 1961-04-04
Abstract: Dry, stable, free-flowing particulate materials containing readily oxidizable, biologically valuable substances are prepared by forming a warm aqueous solution or dispersion comprising the biologically active substance, at least one anti-oxidant (including substances which act synergistically or which form complexes with metal ions that catalyse oxidation), at least one film-forming colloid and at least one water-soluble carbohydrate, in such concentrations that the warm mixture is fluid but solidifies at room temperature, atomizing the mixture at a temperature of from 50-100 DEG  C. into air or an inert gas at a temperature at which the mixture solidifies, bringing the solidifying drops into a "carrier" which is a fluidized bed comprising a non-water-absorbing lubricant, the gas passing through the bed being at a temperature at which the particles solidify, and thereafter separating and drying the particles. Specified film-forming colloids are gelatin, albumin, casein, gums, cellulose ethers and esters and pectin; specified carbohydrates are glucose, sucrose, lactose and sorbose and specified biologically valuable substances are Vitamins A1, D2, D3 and E and antibiotics, e.g. penicillin, aureomycin and bacitracin.  Specified antioxidants include butylated hydroxyphenols, nor-dihydroguaiaratinic acid, alkyl gallates, hydroquinone, Vitamin C, citric acid, phosphoric acid, lecithin and ethylene diamine tetra acetic acid and its alkali metal salts.  Apparatus suitable for producing the material of the invention is described.
Patent GB-438324-A (GB)
Title: Improvements in or relating to appliances for sealing metal foil caps or covers uponmilk bottles or other containers
IPC: B67B3/14
Filed: 1935-04-18
Abstract: 438,324. Applying bottle caps. KING, G. E., 23, North Cross Road, East Dulwich, London. April 18, 1935, No. 12058. [Class 125 (ii)] A capping-tool for bottles &c. comprises a bell-like outer member 1, a pressure head 6 for the bottle mouth, mounted for axial movement within the member 1, a spring 9 supporting the pressure member, and radially movable arcuate members 10 which engage the inner wall of the member 1, and compress a rubber ring 13 against the bottle neck when the member 1 moves downwardly thereon. The arcuate members 10 have peripheral skirts which engage the ring 13, and inclined surfaces which co-operate with the member 1. The ring 13 has an internal rib which engages in a groove in the bottle neck.
Patent GB-1221863-A (GB)
Title: Improvements in or relating to the manufacture of non-woven fabrics or the like from viscose fibres
IPC: D21H13/08
Filed: 1968-03-12
Abstract: 1,221,863. Paper. TAGHIKAWA RESEARCH INSTITUTE. 12 March, 1968 [9 May, 1967], No. 12091/68. Heading D2B. Paper or non-woven fabric is made from, an aqueous dispersion of staple fibres of incompletely regenerated xanthate cellulose having a primary swelling value '(defined as in specification 1,042,005) of 800 to 10,000 and pressing the wet sheet which has a "wet value" (defined in the specification) of from 1,000 to 6,000 in contact with one or between two screens having 15 to 250 meshes per square cm. The screen may be a textile fabric or a wire net. After pressing, the sheet may be washed and dried.
Patent GB-1163709-A (GB)
Title: Self-Propelled Mower.
Inventor: EWING GORDON LESLIE
IPC: A01D34/69
Filed: 1968-03-13
Abstract: 1,163,709. Self propelled mower. COVERELLA Ltd. 13 March, 1968, No. 12225/68. Heading A1F. A self propelled mower comprises a chassis 10 on which is mounted a motor 36 which drives a cutting blade 51 rotating within a chamber 12, a discharge chute 13 directing cuttings through an outlet at the rear end of the chassis 10. The chassis 10 is supported at the front end on a wheel or wheels 19 driven from the motor 36 through a drive transmission including a worm gearbox 20 supported on a hollow shaft 21 rotatably mounted to allow steering and reversing of the mower by means of a steering wheel 28 through a chain 25. Power is supplied to the gearbox 20 by an input drive shaft 29 mounted within the hollow shaft 21 and operatively connected to the motor 36. Rollers 52, (53), (54), Fig. 2 (not shown), support the rear of the chassis 10. Power transmission from the motor 10 to the gearbox 20 is by means of an intermediate shaft 31, pulleys 30, 32 supporting a belt 33 which is tensioned by an adjustable pulley 34. The pulley 32 comprises two flanges 32a, 32b adjustably urged together by a spring (not shown) in order to vary the effective diameter of the pulley 32, and hence control the speed of travel. A second belt 40 transmits power to the shaft 31 from a motor output shaft 37 via pulleys 38, 39, a pulley 42 movable through a cranked lever 43 and a rod 47 by means of a foot-pedal 45, controlling the tension of a belt 40, a spring 43a holding the pulley 42 in the non-tensioned position except when the pedal 45 is depressed. A further belt 48 transmits power from a pulley 39 on the output shaft 37 via a pulley 49 to the shaft 50 mounting the cutting blade 51, a tensioning pulley 39a being operated by a cranked lever (39b), Fig. 2 (not shown) held either in or out of operative position by a toggle spring 39c. Cuttings are received by a box 59 which may be replaced by a deflector plate; the cutting height of the blade may be altered by changing, using adjustable stops 58, the angular position of the arms 56 which support the rollers 52, (53), (54), and adjusting a rotatable stop 23 supporting the shaft 21.
Patent GB-1404437-A (GB)
Title: Fm to am signal converters
IPC: H03C1/50
Filed: 1973-03-14
Abstract: 1404437 Modulation conversion ALDEN RESEARCH FOUNDATION 14 March 1973 [17 March 1972] 12254/73 Heading H3R An FM/AM converter comprises high pass and low pass phase shift networks N4, N3 with their inputs connected in parallel to a source of frequency modulated signals and their outputs connected to a summing circuit U3. A received FM signal from a video camera in a facsimile transmitter is fed via a limiter 16 and low pass filter N1 to a high pass active filter U2, N2 which has a complementary response, so that a constant level sinusoidal, frequency modulated, signal can be obtained at D. If required the response of network N2 can be adjusted to provide gamma correction. The phase shifts of the two networks N3, N4 are such that their outputs are in antiphase, and the combined signal from amplifier U3 carries the required amplitude modulation.
Patent GB-183916-A (GB)
Title: Improvements in or relating to warning signals
IPC: G10K9/10
Filed: 1921-04-28
Abstract: 183,916. Monnot, J. F. April 28, 1921. Diaphragm horns.-In a horn of the type in which the diaphragm B is vibrated by a toothed cam A, contacting with a rotatable member mounted on the diaphragm, a steel roller D provided with trunnions E is mounted in lugs F on an anvil C on the diaphragm. The roller D is at least as long as the width of the periphery of the cam A.
Patent GB-455631-A (GB)
Title: Improvements in roofing tiles or the like
IPC: E04D1/04
Filed: 1935-04-24
Abstract: 455,631. Roofing-tiles. GOSDEN, A., 8, Sandecotes Road, Parkstone, Dorset. April 24, 1935, No. 12286. [Class 87 (i)] The tile described in Specification 241,596, [Class 87 (i)], is modified to improve the bedding and drainage. The back is provided with a boundary wall A1 terminating at the upper corners in two flats D, and with a central hanging nib B which may be V-shaped. The front is formed as two bevelled planes F, F1, the upper plane being provided with a drift barrier H, and the lower plane with drainage channels I.
Patent GB-611156-A (GB)
Title: Improvements relating to the plasticizing of rubber and rubber-like materials
IPC: C08K5/32
Filed: 1946-04-23
Abstract: Vulcanisable rubbery materials, e.g. copolymers of butadiene with styrene or acrylonitrile, and copolymers of isobutylene with isoprene, are softened with an ester or esters of an aliphatic nitro-alcohol.  The preferred esters are those of monobasic and polybasic acids with monohydric nitroalcohols and nitroglycols, especially of phosphoric, phthalic, maleic, fumaric, citric, adipic, and azelaic acids, and esters of nitroalcohols and methanol, ethanol or butanol.  Esters of monohydric aliphatic nitro-alcohols and acetic, propionic, butyric, valeric or lactic acid may also be used. Specified esters are tri-(2-nitro-2-methylpropyl), tri-(2-nitro-2-methylbutyl), tri-(2-nitrobutyl) and tri-(2-nitro-3-methyl butyl) derivatives of phosphoric acid, and the corresponding derivatives of phthalic acid; and 2-methyl-2-nitro-1, 3-propanediol diacetate; 2-ethyl-2-nitro-1, 3-propanediol diacetate; and 2-isopropyl-2-nitro-1, 3-propanediol dibutyrate.  These esters may be prepared by the methods described in U.S.A. Specifications 2,161,552, 2,177,757, 2,233,607 and 2,340,268.  Examples describe compositions comprising the nitroesters, a butadiene-styrene or acrylonitrile copolymer and sulphur, carbon black, stearic acid, zinc oxide, benzothiazyl disulphide and tetramethyl thiuram monosulphide.ALSO:Vulcanizable rubbery materials are softened with an ester or esters of an aliphatic nitro-alcohol.  The preferred esters are those of monobasic and polybasic acids with monohydric nitroalcohols and nitroglycols especially of phosphoric, phthalic, maleic, fumaric, citric, adipic, and azelaic acids, and esters of nitroalcohols and methanol, ethanol or butanol.  Esters of monohydric aliphatic nitroalcohols and acetic, propionic, butyric, valeric or lactic acid may also be used.  Specified esters are tri-(2 - nitro - 2 - methylpropyl), tri - (2-nitro-2 methylbutyl), tri-(2-nitrobutyl) and tri-(2 - nitro - 3 methylbutyl) derivatives of phosphoric acid, and the corresponding derivatives of phthalic acid; and 2-methyl-2-nitro-1, 3-propanediol diacetate; 2-ethyl-2-nitro-1, 3 propanediol diacetate; and 2-isopropyl-2-nitro-1, 3-propanediol dibutyrate. These esters may be prepared by the methods described in U.S.A. Specifications 2,161,552, 2,177,757, 2,233,607 and 2,340,268. The rubbery material may be natural rubber, copolymers of dienes such as butadiene with styrene or acrylonitrile, neoprene, and copolymers of isobutylene with a diene such as isoprene.  In examples one or more of the nitroesters were tested in mixes comprising a butadiene-styrene or -acrylonitrile copolymer together with sulphur, carbon black, stearic acid, zinc oxide, benzothiazyl disulphide and tetramethyl thiuram monosulphide. From 5 to 50 per cent of the ester may be used and it may be added to the solid rubber, or to a cement or latex.
Patent GB-579251-A (GB)
Title: Improvements in or relating to variable electric condensers
IPC: H01G5/38
Filed: 1943-07-28
Abstract: 579,251. Variable condensers. BICKLEY, L. J. July 28, 1943, No. 12306. [Class 37] A variable capacity condenser arrangement, comprises two, or more, banks of fixed elements and co-operating sets of movable elements interleaving with the fixed elements when capacity is desired but interleaving with the elements of another set of movable elements in the positions approaching minimum capacity. Two sets 5 6 are shown with moving blades 5a 6a each normally co-acting with fixed blades 3a, 4a. When swung outwards to disengage, the blades 5a, 6a interleave thereby saving space.
Patent GB-294719-A (GB)
Title: Improvements in or relating to the method of influencing a beam of light for use in connection with telephotography or television
IPC: G02F1/07
Filed: 1927-05-09
Abstract: 294,719. Dicker, S. G. S., (Naamlooze Vennootschap Philips' Glocilam penfabrieken). may 9, 1927. Light-valves.-In Kerr cells having a liquid dielectric for use in photo-telegraphy or television the conductivity due to impurity of the liquid is kept down by causing the liquid to flow through the cell. A fixed quantity of liquid may be caused to circulate through the cell and subjected to a purifying process.
Patent GB-737504-A (GB)
Title: A card game
IPC: A63F1/02
Filed: 1953-05-05
Abstract: 737,504. Card games. WARD, W. Aug. 5, 1954 [May 5, 1953], No. 12417/53. Class 132(2). A pack of cards is divided into groups, each card of a group having designations of cards of another group so that, in play, one group is dealt to the players and the other cards are exposed one by one, the winner being the player who first has all the cards, designated on the card dealt to him, turned up. The Specification describes in detail the additional markings on a conventional pack of cards of which the two of clubs is shown in Fig. 1.
Patent GB-323990-A (GB)
Title: A threading device for sewing needles
IPC: D05B87/00
Filed: 1929-04-22
Abstract: 323,990. Ragewitz, F. April 22, 1929. Needle-threaders.- The device has a funnelshaped hole for the needle and thread and a pusher mounted on a blade spring which, with the pusher, is held snug against the case by an outer telescopic core when not in use. The tube b has a funnel shaped hole c, for the needle s and a slot i for the thread. The thread is held against the displacement in the slot by a light spring k. The needle s is correctly positioned by the recess n in the wall l. The thread is pushed through the needle eye by the pusher h jointed to the blade-spring g. When the device is not in use, the pusher is folded alongside the spring g and both are held snugly against the flattened side of the tube b by the telescopic outer sleeve a. The tubes b can be made in bulk by stamping and pressing.
Patent GB-947893-A (GB)
Title: Nuclear reactor plant
IPC: G21C1/20
Filed: 1961-04-06
Abstract: 947,893. Nuclear power plant. SULZER FRERES S. A. April 6, 1961 [April 11, 1960], No.12443/61. Heading G6C. In a steam cooled nuclear reactor, the coolant is divided into a number of separated parallel flow paths having different temperatures. Those paths having the lowest rate of heat generation produce the highest coolant temperatures. In all embodiments, the fuel channels nearest the reactor core outer surface supply the steam at the highest temperature and steam from them may be supplied directly to the turbine or indirectly through a heat exchanger. As shown, Fig. 2, the turbine 3 is supplied from the fuel rods c of reactor 1, a condensate being returned to the reactor through the vaporiser 9 and duct 15. Superheated steam from the inner rods a, b passes to the vaporiser 9 and to the mixers 25, 26, 27. The plant is regulated by regulater 30 into which are fed signals from temperature measuring devices 28 and flow meter 31. The output from 30 controls the moderator rods 34, throttle valve 32, blower 14 and feed pump 8. Elements c and elements a, b are at the higher and lower temperatures respectively. In a further embodiment, Fig. 7, not shown, the plant is similar to that shown in Fig. 2 except that the vaporiser is omitted and two groups of fuel rods are employed. In another embodiment are shown the turbine steam circuit and the reactor coolant steam circuit are separated by a heat exchanger. The steam supplies from the separated temperature zones of the reactor are taken to different outlets at the exchanger. In two further embodiments, not shown, the same steam flowpasses through the reactor and turbine but is preheated in a heat exchanger, heated with steam from the reactor lower temperature zones.
Patent GB-115758-A (GB)
Title: A New or Improved Tool or Instrument for Repairing Knitting Machine Needles.
Inventor: LEICH HENRY HERMANN
IPC: B21D7/06
Filed: 1917-08-31
Abstract: 115,758. Leich, H. H. Aug. 31, 1917. Needles.-A tool for re-sliaping the deformed hooks of knitting machine needles is provided with a pair of relatively movable jaws or members one of which is provided with means for clamping the needle, and the other with a die adapted to restore the needle to its original shape when the jaws or members are brought together. The jaws' 1, 2 are pivoted to the ends of a pair of pivotally connected arms 3 and also have pin-and-slot connexions 6, 7 with the arms so that the jaws move substantially parallel to each other. The needle 15 to be re-shaped is clamped to the jaw 1 by a plate 8 operated by a screw 11 and nut 10 and guided upon a pair of pins 14, which also support the needle 15 in line with one or other of a series of shaping-cavities 19 in a die 18 rotatably mounted in a housing 25 of the jaw 2 and secured in adjusted position by a pin carried by a spring 24 engaging one of a series of holes or recesses in the die. A spring is arranged within the nut 10 to hold the plate 8 yieldingly when the nut is slackened back. The cavities 19 are rounded or conical at the bottom and may have parallel or inclined sides. The end of the die is provided with a series of indicating-holes 27 corresponding in size to the cavities to assist the operator in positioning the die. The die may have a second circumferential series of cavities differing in size from the cavities 19. The tool is provided with ordinary plier jaws 28.