baber/WOPTO huggingface dataset:
Patent GB-1458882-A (GB)
Title: Tungsten oxide-containing cathode for non-aqueous galvanic cell
IPC: H01M6/16
Filed: 1974-05-14
Abstract: 1458882 Cathode for cell with organic electrolyte E I DU PONT DE NEMOURS & CO 14 May 1974 [14 May 1973] 21283/74 Heading H1B A cell comprises a light metal anode of Group Ia or IIa, an organic electrolyte, and a cathode the active material of which comprises WO x  where x is from 2À0 to 2À9. Preferably, the cathode active material comprises 50-100% by weight of WO x  and x=2À7, (blue tungsten oxide). The cathode active material may also include carbon fluoride and the oxides, chlorides, fluorides, sulphides, phosphates, sulphates, and chromates of metals such as iron, copper nickel, silver, lead and vanadium. The cathode may also contain a conductivity aid such as carbon, graphite, copper, iron and lead in powder form and may also include a binder such as P.T.F.E., polyethylene and polystyrene, the preferred binders being carboxymethylcellulose, hydroxycellulose, polyvinyl alcohol, soluble starch, casein and gelatine. The preferred anode metal is Li but others specified are Na, K, Mg, Ca and Be. The preferred electrolyte primary solvent is dioxolane and the electrolyte may also include a secondary solvent, e.g. ethylene oxide, propylene oxide, butylene oxide, dioxane, tetrahydropyran, dihydrofurane, tetrahydrofurane, diethyl ether, 1,2-dimethoxyethane, the dimethyl ether of diethylene glycol, the diethyl ether of diethylene glycol, methyl acetate, propylene carbonate and dimethyl carbonate. The electrolyte salts are preferably those where Li, Na, K or alkyl-ammonium are the cations, the preferred salt being LiClO 4 , others being tetrafluoroborates, hexafluorophosphates, hexafluoroarsenates, and tetrachloroaluminates. Other electrolyte salts are trichloroacetic acid, trifluoroacetic acid, and trifluoromethanesulphonic acid. To suppress the tendency of the electrolyte to form polymer the electrolyte may also include dimethylisoxazole, pyridine or triethylamine. The Specification describes the construction of a button cell in which the cathode comprises a lead foil on to which is pressed the cathode active material, the cell having a voltage on load of about 2 volts.
Patent GB-157475-A (GB)
Title: Improvements in or relating to tunnel furnaces, kilns, ovens and the like
IPC: F27B9/30
Filed: 1918-12-19
Abstract: 157,475. Francart, H. Dec. 19, 1918. Tunnel furnaces, kilns, and ovens are provided on their inner walls with ribs or flanges 3, which form vertical or inclined recesses. The burners 2 are fitted at the bottoms of the recesses, and the ribs may have openings, which put the recesses in communication with one another. The ribs may be inclined upwards towards the entrance end of the oven to assist the longitudinal displacement of the heating-gases in that direction. In a low oven, such as is used for annealing, the ribs and recesses may extend below the hearth level as shown in Fig. 4, and vertical passages 7 may be provided for the circulation of the heating-gases. The ribs and the roof of the oven may be formed with projections to increase the heat-radiating surface.
Patent GB-276020-A (GB)
Title: Improvements in or relating to heat sensitive recording papers and the like suitablefor use in picture and the like telegraphy
IPC: B41M5/24
Filed: 1927-08-13
Abstract: 276,020. Marconi's Wireless Telegraph Co., Ltd., (Assignees of Ranger, R. H.). Aug. 14, 1926, [Convention date]. Copying-telegraphs. - Comprises a heat-sensitive recording material such as paper which is so sensitized that it can be marked by a hot gas jet, electric spark, or other heating device. The material is suitable for use in the copying-telegraph described in Specification 276,009. It comprises a short-fibre paper coated with gelatine associated with an oxidizing agent. The following examples are given : (a) Aniline-hydrochloride 9.8 gm., water 99 cc., gelatine 0.26 gm., potassium nitrate 8 gm. or other oxidizing agent. (b) Water 100 cc., nickel nitrate 5 gm., sodium thiosulphate 3.9 gm., sodium nitrate 3.6 gm., one-per-cent gelatine solution 5 cc. The heat reaction may take the form of a, slight scorching of the paper, the formation of a metallic pigment, a polymerization reaction yielding a dyestuff, or minute and confined explosions. Substance (a) above is suitable for heating with a spark at 10,000 volts and 20 or 25 watts, the electrodes being 0.02 inches apart; and substance (b) can be used with a hot gas jet of temperature from 480‹ to 520‹ F. travelling at a speed of 1.5 inches per second, a brownish pigmentation being produced. The Specification as open to inspection under Sect. 91 (3) (a) described also the following composition : Water 100 parts, phenol gelatine 10, salt 5, phenol-phthalein 0.5. This subject-matter does not appear in the Specification as accepted.
Patent GB-191769-A (GB)
Title: Improvements in electric starters for internal combustion engines
IPC: F02P1/00
Filed: 1921-08-12
Abstract: 191,769. Midgley, A. H. Aug. 12, 1921. Brush-holders.-In an electric starter in which one or more of the brushes of the motor are used as the starting-switch, an operating wire a actuated by a lever or other means is connected to a ring c having arms c<1>, c<2> acting upon extensions d<1> of two of the brush-holders d. The means for actuating the wire may be interlocked with the ignition switch bv the means described in Specification 194,329, [Class 38 (v), Electric switches &c.].
Patent GB-597545-A (GB)
Title: Improvements in greyhound racing starting apparatus
IPC: A63K3/02
Filed: 1945-08-22
Abstract: 597,545. Photo-electrically controlled apparatus. MULLEY, A. Aug. 22, 1945, Nos. 21485/45 and 25234/46. [Classes 40 (iii) and 40 (v)] A radiation beam reflected from a mirror and a photo-cell and interrupted by the passage of the lure, is used to start a greyhound race after a suitable delay introduced by the circuit described below, by actuation of a relay 15 which operates a solenoid permitting opening of the spring-loaded trap gates. Valve 'relay circuit.-Valve V4 is normally conducting to keep relay 14 operated and the potential of capacitor C3 is stabilized by diode. V5 at the level of tapping 23. The positive pulse, produced when the P.E. cell is shielded, is amplified without inversion by valve V1 and overcomes the cut-off bias on gas-filled valve V3. Capacitor C3 then discharges through valve V3 at a rate determined by the setting of potentiometer 11, cutting off valve V5 and reducing the grid potential of valve V4 progressively until the anode current falls below the release value for relay 14, when the main relay 15 is operated. Relay 16 also operates after a short time delay due to capacitor C4, to release the main relay 15 and extinguish the gas-filled valve V3 by momentarily disconnecting the anode supply. Capacitor C3 then recharges to the stabilized level ready for the next cycle of operation.
Patent GB-577583-A (GB)
Title: Electrical connecting means
IPC: H01T13/05
Filed: 1943-12-22
Abstract: 577,583. Two-part couplings. BENDIX AVIATION CORPORATION. Dec. 22, 1943, No. 21495. Convention date, Nov. 18, 1942. [Class 38 (i)] A radio-screened sparking plug connector comprises a flexible tube 20 of rubber or neoprene having an annular rib 22 by which it is held in a ferrule 14 attached to an elbow 13 constituting the radioshield around the conductor 5. The end of the tube may be moulded or vulcanized to a rigid insulator 23 within which is cemented a contact 25. This carries a spring 31 to abut on a stud 32 at the end of the conductor 5, and encloses a spring 30 and plunger 27 having at its end a formation 29 to engage the sparking plug terminal 6. The ferrule 14 is fastened to the shielding socket 7 of the plug by a screw ring 10 and grips a flange 21 on the tube between it and the socket 7. This flange may be integral with the tube or it may be made up of a steel ring anchored in a groove in the tube and covered externally with copper. The contact 25 may be formed for direct insertion in the tube 20 without the use of the insulator 23. The invention permits lateral movement of the end of the connector when effecting the connection, avoiding damage to the insulation.
Patent GB-1061572-A (GB)
Title: Photoflash lamp
IPC: F21K5/08
Filed: 1964-05-25
Abstract: 1,061,572. Photoflash lamps. SYLVANIA ELECTRIC PRODUCTS Inc. May 25, 1964 [May 29, 1963], No. 21534/64. Heading G2L. A photoflash lamp, comprising a substantially tubular envelope 2 having an internal volume of less than 7cc, contains a filling of oxygen at a pressure above atmospheric, a charge of coarse filamentary zirconium 20 throughout the upper portion of the envelope 2 and a charge of fine filamentary zirconium 22 disposed in the lower portion about an ignition system of the lamp, the charges 20, 22 being separated by a wafer 24 of inert material which is spaced from the inside wall of the envelope 2. The coarse filamentary zirconium 20 may have cross-sectional dimensions of 0À0015 ins. by 0À0025 ins. while those of the fine filamentary zirconium may be 0À00095 ins. by 0À001 ins. The wafer 24 is in the form of a disc having a diameter which is from 30% to 70% of the inside diameter of the envelope so as to provide partial shielding of the zirconium 20 and thus interrupt the steady rise of light energy output.
Patent GB-423440-A (GB)
Title: Improvements in or relating to the stiffening of boot or shoe upper parts
IPC: A43B23/08
Filed: 1933-08-01
Abstract: 423,440. Shoe - upper stiffeners. BRITISH UNITED SHOE MACHINERY CO., Ltd., and MELLERIO, L. P., Belgrave Road, Leicester. Aug. 1, 1933, No. 21557. [Class 17 (ii)] [See also Group VIII] A fabric base, such as felt, for shoe-upper stiffeners is first lightly impregnated with a thermoplastic stiffening agent which is comparatively little, if at all, softened by abnormal heat conditions to which the finished shoe may be exposed but which is markedly softened by the heat conditions to which it is subjected for the lasting operation, and then with a molten readily-fusible thermoplastic stiffening agent of the usual kind. The first stiffening agent may at least include synthetic resin and may comprise a grade of vinyl resin applied as a solution, e.g. in benzol. The dried resintreated felt may then be passed through an impregnating bath of molten stiffening material comprising 90 parts of colophony and 10 parts of carnauba wax, by weight. Specification 344,070 is referred to.
Patent GB-224973-A (GB)
Title: An improved powder box
IPC: A45D33/00
Filed: 1923-08-25
Abstract: 224,973. Halford, J. Aug. 25, 1923. Contents, delivering; specially shaped boxes.-To prevent undue abstraction or spilling of powder from a powder box when the cover is removed, the box a is provided with an inturned flange b formed with an aperture b<1> adapted to be closed by a hinged flap c. The box is preferably of horseshoe shape, and has a removable lid sliding telescopically over the body.
Patent GB-438386-A (GB)
Title: Improvements in time-base circuits for cathode ray oscillographs
IPC: H03K4/86
Filed: 1934-07-24
Abstract: 438,386. Television. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and JESTY, L. C., c/o General Electric Co., Wembley, Middlesex. July 24,1934, No. 21652. [Classes 40 (iii) and 40 (v)] A cathode - ray beam is deflected by two pairs of con denser plates, con nected to ter minals 1, 2, 3, 4 one plate of each pair being connect ed together, anc each pair charged by a circuit com prising a source of direct current 12, 11, bridged by a potentiometer 17 of small resistance having a variable tapping 14 for controlling the minimum voltage on one deflecting plate and a variable tapping 15 or 16 for controlling the maximum voltage on the deflecting plate. The condenser 9 is charged over a constant current device 10 controlled by tapping 16, and is discharged by a valve 5 whose grid bias is controlled by tapping 15. If the discharge of condenser 9 is controlled by synchronizing signals, the tapping 16 is varied to control the maximum deflecting voltage ; otherwise, the tapping 15 is varied. When the circuit is controlled by synchronizing signals, the valve 5 may be replaced by a diode, Fig. 2 (not shown). The potentiometer 17 should be so small that the current produced in the deflecting plate circuit by electrons impinging on the plates, should not produce a voltage difference between the two plates greater than one hundredth of the voltage 11, 12. Specification 421,603 is referred to.
Patent GB-390164-A (GB)
Title: Improvements in or relating to buoyant clothing
IPC: B63C9/093
Filed: 1931-07-29
Abstract: 390,164. Buoyant garments. ROGERS, F. H., 181, Queen Victoria Street, London.- (Howarth, A. L. ; Weylin Hotel, East 54th Street, New York, U.S.A.) July 29, 1931, No. 21660. [Class 141.] A buoyant garment comprises a body of expanded rubber attached to or incorporated in the fabric thereof. Sponge rubber or the like may be added to the collar, shoulder, or body portions. A complete or partial lining of buoyant rubber may be used and is removable so that the garment may be used for ordinary wear. A swimming suit may be composed of two layers of fabric with a thin layer of expanded rubber between, the fabric layers being interconnected. Specification 328,415, [Class 17 (ii), Boots and shoes, Construction of], is referred to. Reference has been directed by the Comptroller to Specifications 11624/11, [Class 70, Indiarubber &c.], 221,204, and 247,630, [both in Class 77, Life-saving &c.].
Patent GB-859023-A (GB)
Title: Improvements in filter papers
IPC: B01D39/20
Filed: 1958-07-07
Abstract: 859,023. Asbestos filter paper. ETABLISSEMENTS R. SCHNEIDER, DUMAS & CIE, B., POELMAN, A. J. J., and GERMAIN, M. A. July 7, 1958 [July 19, 1957], No. 21666/58. Class 96. Filter paper is made from some fibres, e.g. of Cape asbestos, of sufficient length and coarseness, e.g. 20% of diameter 5 to 10 microns, to give mechanical strength and some, e.g. 20% short, fine fibres (0.1 to 0.5 microns diam.) to give high filtering capability, the remainder being of intermediate lengths and diameters. A fine-fibred paper may weigh 5 gms. per sq. metre. Aluminium silicate may be precipitated on to the fibres to increase the strength, even at 1000‹ C., or polyvinyl chloride, neoprene, polyacrylonitrile or vulcanized latex may be likewise used for strength at temperatures up to 150‹ C.
Patent GB-821003-A (GB)
Title: Heat exchanger
IPC: F28C3/06
Filed: 1957-07-09
Abstract: 821,003. Heat exchangers. AIR PREHEATER CORPORATION: July 9 1957 [Nov. 19, 1956], No. 21690/57. Class 64(1) A heat exchanger includes a contacting chamber in which an upwardly flowing gas is heated or cooled by contact with a descending liquid which has been dispersed by a plurality of perforate members (Figs. 2, 3 and 4, not shown) into a plurality of droplets. In the arrangement shown in Fig. 1 the liquid passes successively through two contacting chambers 10, 12 each having inlet and outlet ports for a gas. A trap 32 is provided between the chambers to prevent the passage of gas from one chamber to the other. Interposed in the trap is a tank 34 in which any entrained gas from the chamber 10 is separated out, such gas being returned to the chamber 10 by a pump 36.
Patent GB-1460535-A (GB)
Title: Tetrafluoroethylene polymers
IPC: C08F14/00
Filed: 1974-05-16
Abstract: 1460535 Tetrafluoroethylene polymers IMPERIAL CHEMICAL INDUSTRIES Ltd 22 April 1975 [16 May 1974] 21748/74 Heading C3P An aqueous dispersion of tetrafluoroethylene polymer comprises colloidal particles containing at least 98% of polymerized tetrafluoroethylene together with a comonomer which is a C 3 -C 10  perfluoroalkyl - trifluoroethylene and/or perfluoroalkoxy - trifluoroethylene, the particles having an inner core and an outer shell, the outer shell having a concentration of comonomer less than half that in the inner core and may be pure polytetrafluoroethylene. The products have high extrusion pressures. The polymerization may be effected using preformed particles which form the inner core or by a two-stage process.
Patent GB-1395834-A (GB)
Title: Copying machines using a work cutting tool
IPC: B23Q35/10
Filed: 1973-05-08
Abstract: 1395834 Working wood F P SCHELL 8 May 1973 [15 May 1972] 21790/73 Heading B5L A machine for use in wood working comprises a rotary pattern support 25 mounted on a first reciprocating carriage 30, and a rotary work support 27 mounted on a second reciprocating carriage 31, means 34 for coupling the carriages, and means 19 for supporting a pattern follower assembly 21 and a tool assembly 22 in engagement with the pattern and the workpiece, so that both rotary and reciprocatory movements of the pattern are transmitted to the work. The motion-reversing coupling 34 comprises a lever 35 pivoted and laterally adjustable relative to an axis 37, and links 39, 40, are connected to the lever and to carriages 30, 31. The ratio of reciprocating movement of the carriages and therefore the ratio of the reproduction can be varied by moving lever 35 transversely by a screw actuated by a hand wheel 48, and a pointer and scale 55 indicates which ratio has been selected. Simultaneous rotation of pattern and work supports 25, 27 is accomplished by a motor 54, Fig. 7, which drives splined shafts 57, 58, via a reduction gearing 55, and the shafts are connected to gearing on shafts 60, 63, of the supports so as to rotate the latter. The pattern 11 and workpiece 12 are urged into engagement with a follower 13, and a rotary cutter 15 by springs 61, 64. The follower and tool assemblies 21, 22 are arranged for longitudinal adjustment on a cross-bar 19, Fig. 1, and the adjusted positions are indicated by scales 77, 83. Cutter 15 is rotated by a motor 23. The pattern 84, Figs. 8, 10, may be mounted on one side of the axis 28, in which case the follower 85 is adapted to move around the pattern by a sprocket 93 which co-operates with a chain 92 tightly wrapped around the pattern, the pattern being thus oscillated rather than rotated. In a modification, the machine is adapted to reproduce a three dimensional shape by providing additional incremental vertical movements of the follower and tool 98, 99, Fig. 11. The follower and tool heads 102, 103, are adjustably connected to links 114, 115, pivoted at 115 on a cross-bar 109, and slidable in sleeves 118 pivoted about a common horizontal axis in a vertically adjustable rack 119, which is moved in the vertical plane by a pinion 122 actuated by a hand wheel 124. To provide for varying reproduction ratios the guide 120 for the rack is horizontally adjustable along cross-bar 109 and fixed by a screw 125.
Patent GB-1495842-A (GB)
Title: Articles containing gypsum
IPC: C04B14/36
Filed: 1975-05-21
Abstract: 1495842 Reinforced gypsum composition TAISEI KENETSU KK 21 May 1975 [21 May 1974] 21949/75 Heading C1H A reinforced gypsum article is produced by hydraulically setting anhydrous or hemihydrous gypsum, ettringite reinforcing members and, if necessary, fibres and/or light weight aggregate. The reinforcing members may be steel (e.g. in the form of bars) or aluminium. Fibres may include carbon fibres, aluminous fibres, glass fibres, polyamide fibres, polyester fibres, polyacrylic fibres, polyalkylene fibres or rayon fibres. Light-weight aggregates may include lapilli, volcanic ash, lapilli or volcanic ash coated with cement slurry, expanded shale, clay, perlite or coal ash. The starting mixture may also include hardening retarders, e.g. potassium citrate, citric acid, and calcium 2-keto gluconate, and dispersants.
Patent GB-366031-A (GB)
Title: Device for the elimination of harmonics of any nature superposed to a direct current
IPC: H02J7/02
Filed: 1930-07-21
Abstract: 366,031. Converting pulsating currents into steady continuous currents. SOC. ANON. RADIO-ENERGIE, 75, Rue de la GlaciÞre, Paris. July 21, 1930, No. 21994. Convention date, April 29. Void [Published under Sect. 91 of the Acts]. [Class 38 (ii).] Pulsating current from a generator 1 is converted into a steady continuous current suitable for supplying a load 2 such as an arc lamp for use in sound-film studios by providing a transformer 3 the primary of which is connected in shunt to the supply, the secondary being in series with the load circuit so that the pulsations in the latter are neutralized by pulsations induced in the secondary winding of the transformer. A battery 4 or other steady source of D.C. of voltage equal and opposite to the steady component of the supply source is connected in series with the transformer primary so as to avoid saturation of the transformer by the D.C. component. In modifications, Figs. 2 and 3 (not shown), the transformer 3 is supplied through an auxiliary transformer in the primary circuit of which a condenser is provided for phase correction.
Patent GB-899744-A (GB)
Title: Improvements in or relating to the injection of fuel additives
IPC: F23J7/00
Filed: 1957-07-11
Abstract: 899,744. Preventing furnace corrosion. ZACZEK, B. J. Oct. 9, 1958 [July 11, 1957], No. 22059/57. Class 51 (1). The undesirable effects of impurities in fuel are reduced by agitating a mass of dry powdery additive to form from it a cloud or suspension and entraining the suspension in a stream of gas which carries it into the high-temperature zone of a furnace separately from the fuel. A powdered additive from a hopper 11 falls in to an electromechanically vibrated tray 13 and through a funnel 17 to be entrained in a blast of air from a nozzle 37 and delivered into the combustion chamber. Helical guides 41 and a circular plate 42 serve to distribute the additive evenly in the air jet stream. In another embodiment, Figs. 4 and 5, powder in a round-ended keg 61 is agitated by a downwardly-directed jet of air from a nozzle 86 connected to the bore 82 of a head 72, Fig. 7. The powder is sucked through a bore 83 into a duct delivering it into the combustion zone by the effect of an air nozzle 77 in a Venturi passage 81. In a third embodiment, Fig. 8, the powder in the keg is agitated by air flowing from a perforated central tube 91, an amount of powder controlled by the weight of a ball 96 in the tube 91 and a damper in the outlet head 93 passing to the combustion zone. The additive may be fed into the flame of each burner of an oil-fired furnace, or over the fuel bed of a travelling grate furnace. The additive may be supplied to one or both ends of a perforated tube mounted in or alongside the secondary air supply box of the travelling grate furnace, Figs. 9-11, (not shown). A suitable powder comprises 60-70% of a magnesium salt such as the carbonate, 10-20% of carbon, 5-10% of metallic zinc or a zinc compound and 5-10% of a copper compound.