baber/WOPTO huggingface dataset:
Patent GB-1281176-A (GB)
Title: Method for improving carbon and/or graphite materials
Inventor: POLOVOI BORIS VASILIEVICH
IPC: C04B35/52
Filed: 1969-07-07
Abstract: 1281176 Carbon GOSUDARSTVENNY NAUCHNO - ISSLEDOVATELSKY INSTITUT ELEKTRODNOI PROMYSHLENNOSTI 7 July 1969 34140/69 Heading C1A In a method of improving a carbon and/or graphite material by subjecting it to a coking heat treatment after impregnating it with a carbonaceous substance, the carbon and/or graphite material is first impregnated with a solution or suspension of at least one chemicallyactive compound which, during the coking heattreatment accompanied by coking of the carbonaceous substance decomposes to yield at least one atom or group which chemically reacts both with the carbon and/or graphite material and with the carbonaceous substance undergoing coking. The carbon and/or graphite material is dried between the two impregnations. The mechanical strength and the density of the carbon and/or graphite material is thereby increased, due to chemical bonding between it and the impregnating carbonaceous substance. The active compound may be a compound, of nickel, manganese, barium, ammonium or sulphur; an inorganic compound containing nitrate, nitrite, chlorate, perchlorate, sulphate or persulphate groups; or an organic compound containing nitro, phenol, peroxide or carboxylic acid groups. Specific impregnants disclosed are nickel nitrate, ammonium persulphate, gallic acid, 2,5-dichloro-nitrobenzene and ammonium nitrate. In an example, press-moulded cokepitch blanks are burnt and impregnated in a pressure vessel with 15% aqueous solutions of ammonium persulphate or 2,5-dichloronitrobenzene. The blanks are dried at 110Œ5‹ C., impregnated under pressure with coal-tar pitch, and burnt. The burnt blanks are then graphitized.
Patent GB-1473725-A (GB)
Title: Baking oven door
IPC: F24C15/04
Filed: 1974-08-02
Abstract: 1473725 Oven doors NEFF-WERKE CARL NEFF GmbH 2 Aug 1974 [10 Aug 1973 28 March 1974] 34238/74 Heading A4D [Also in Divisions F1-F4] An oven door comprises an inner wall having an inspection window 5 and an outer wall formed by a perforated metal sheet or an expanded metal grid 8 arranged in front of and spaced from the window 5 whereby, in use of the oven, air flows by convection through the space 9 between the window 5 and the sheet or grid 8 and, when the oven chamber is illuminated, the sheet or grid 8 is partially transparent. In the form shown, the sheet 8 includes bent over edges 12 held in rails 10 by spring elements. The window 5 is held between plates 6 and 7 which define spaces filled with heat insulating material. The sheet 8 is made of aluminium or steel. The perforated area of sheet 8 is 30 to 50% of the sheet area, and the diameter of each perforation is 1À8 to 3À0mm. The outer surface of sheet 8 may be enamelled and the inner surface of sheet 8 may be heat reflective.
Patent GB-1242452-A (GB)
Title: Improvements in or relating to heat exchangers
IPC: F28D9/04
Filed: 1968-07-18
Abstract: 1,242,452. Concentric-tube heat exchangers. SUNDS A.B. 18 July, 1968 [19 July, 1967], No. 34305/68. Heading F4S. A liquid such as viscose is heated or cooled as it passes through the casing 1 of a heat exchanger, from an inlet 2 to an outlet 32 thereof, and over radially-spaced, hollow, annular, heating or cooling elements 3, 4, 5 within the casing, the liquid being agitated by stirrer arms 23, 24, 25 moved through the annular spaces between adjacent elements by a motor driven shaft 33. An additional hollow heating or cooling element 7 may surround the casing 1. Each element shown contains a helically wound tube 8-11, the flow path for the heating or cooling fluid through the hollow elements (from supply pipe 12 and connection tubes 13-16) being by way of these tubes, and the return path to outlet tube 21 being constituted by the helical spaces between the turns of the helical tubes. In a modification (Figs. 3, 4) baffles (38) define the fluid flow path within the elements, the return flow path being by way of tubes (39) extending axially through the elements. The stirrer arms may reciprocate slightly in the axial direction, and may be adjustable in relation to the heat exchange surface; or they may be kept pressed against said surface.
Patent GB-605309-A (GB)
Title: Brake actuator
IPC: F16D65/22
Filed: 1945-12-20
Abstract: 605,309. Cams and tappets. BENDIX AVIATION CORPORATION. Dec. 20, 1945, No. 34489. Convention date, Feb. 10. [Class 80 (iii)] [Also in Group XXXIV] In expanders for the shoes of drum brakes comprising an elongated floating cam, which is slidable in a slot in a rotatable actuating shaft, the sides of the cam bear against anti-friction rollers mounted in the shaft. In one form, Figs. 2 and 3, a pair of shoes are applied by or anchor on plungers 24 slidable in bores 22 in a casing 16 bolted to a fixed part of the brake. The ends of the plungers are engaged by the curved end surfaces 42, 44, preferably formed as involutes, of a cam 40 which is slidable on rollers 46, 48, in an inclined slot 38 formed in an enlarged portion of the actuating shaft 28. The rollers have reduced end portions 50 journalled in bores 51 in the shaft and in bushes 52 which are pressed in after the rollers have been inserted. The shaft 28 is provided with needle bearings 34 and a spigot bearing 32, and is formed with splines 36 to receive a lever arm operated by a pneumatic or hydraulic cylinder or by mechanical linkage. The casing is filled with lubricant and provided with a breather 62 of porous material, Fig. 1 (not shown). In a modification, Figs. 4-6 (not shown), the cam surfaces engage rollers mounted on the plungers, and the end portions of the rollers 46, 48 are mounted in needle bearings.
Patent GB-612120-A (GB)
Title: Improvements in and relating to building structures
IPC: E04B1/48
Filed: 1945-12-20
Abstract: 612,120. Building-fraine &c. joints. GENERAL PANEL CORPORATION. Dec. 20, 1945, No. 34524. Convention date, Aug. 10. [Classes 20(i) and 20(ii)] Buildings, generally as described in Specification 573,311 have the joints modified to render them more effectively airtight and to render unnecessary the use of final sealing strips concealing the lines of wedges. The joints, each comprising four members 2, Fig. 1, which may be frame members or filling pieces, and which have bevelled edges d, which are drawn into tight engagement when the joint is assembled, have members 12 seating in slots f and secured by wedges 13 through transverse slots e in two opposite members 2. The members 12 are then superposed and their common slot placed over the projection part of a member 10 which is secured in one of the remaining members 2 in a manner similarly to the members 12. A member 10<1> secured in the fourth member 2 has an inclined tongue j, Fig. 6, which is complementary to a recess in the member 10 and the joint is completed by driving the member 2 carrying the members 10<1> in a longitudinal direction so that the tongues j draw the bevelled faces of the members 2 into tight engagement with each other. To minimize air leakage, the slots e<1>, Fig. 7, for the tranverse wedges of the filler pieces 2<1> are blind and the filler pieces are extended unsymmetrically at each side, to provide steps H coacting with complementary steps G on the adjacent members to seal the joint.
Patent GB-1159216-A (GB)
Title: A Process for the Production of Staple Fibres, Starting from Films of Thermoplastic Polymers
Inventor: COPPEL JOHAN MICHAEL
IPC: D01D5/42
Filed: 1967-07-27
Abstract: 1,159,216. Staple fibre. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 27 July, 1967 [29 July, 1966], No. 34534/67. Heading B5B. [Also in Division D1] Staple fibres are produced from films of thermoplastic polymers by stretching a strip of the film transversely to the direction of movement, at a stretching ratio sufficiently high (having regard to the stretching temperature) to render the film fibrillatable, subsequently cutting the stretched film into secondary strips, the longitudinal direction of which coincides with the direction of movement, and splitting the secondary strips into fibres. The film is preferably a polyolefin of at least 50% crystallinity, polypropylene or polyethylene being particularly suitable. The transverse stretching of the film and subsequent fibrillation are effected by methods known in the art. During the process stretching of the film in the direction of movement can be counteracted by transverse stretching of a corrugated film, by suitable arrangement of the clamps used to effect transverse stretching, or by providing transverse slits and scratches in the film before or simultaneously with the transverse stretching. If desired, the film strip before being cut into secondary strips, can be subjected to treatments such as stabilizing, finishing or crimping.
Patent GB-366622-A (GB)
Title: Improvements in or relating to synchronous alternating current motors particularly for use in television or like systems
IPC: H04N5/04
Filed: 1930-11-17
Abstract: 366,622. Synchronous movements. WATERS, A. A., 16, Selbourne Road, Luton, and WILSON, R. G., Solheimar, Shackleford, Godalming, Surrey. Nov. 17, 1930, No. 34550. [Class 40 (iii).] A n unwound toothedarmature synchronous 'motor, more particularly for use in television or telephotogr a ph i c systems, has its field system free to turn through a limited angle against a restraining force to minimize the tendency for the motor to deviate from its synchronous speed when slight disturbances occur. The field magnets may be arranged so that they operate a switch when they move from their position of equilibrium, or they may control a beam of light actuating a sensitive device, and this switch or device may regulate the speed of a non-synchronous motor mechanically interconnected with the synchronous motor. In the form shown, the electromagnets C, D are mounted within the internally-toothed armature A, and are pivoted so that they may turn about the motor axis, their movement being restricted by springs E, F which engage stops G, H when the field magnets move from their position of equilibrium.
Patent GB-504311-A (GB)
Title: Improvements in and connected with cartons and the sealing thereof
IPC: B65D5/06
Filed: 1937-12-14
Abstract: 504,311. Closing cartons. WATSON, V. H., and WATSON, N. V. Dec. 14, 1937, No. 34619. [Classes 66, 94 (i), and 94 (ii)] A carton of waxed paper &c. sealable by heat and pressure, is characterized in that ragged or fibre-like tissues 4a, 6a are formed on the carton material at the sealing zone which become intimately embedded in the fused wax when the sealing surfaces are pressed together. The ragged tissues may be formed by engaging the sealing surfaces with a rotating disc furnished with stiff wires or needles. The sealing pressure is preferably applied below the top crease 5 so as to form a bead 8 into which wax will be extruded. The sealing apparatus is set forth in Specification 504,326.
Patent GB-307986-A (GB)
Title: Improvements relating to the recovery of hydrochloric acid
IPC: C01B7/01
Filed: 1927-12-21
Abstract: 307,986. International Sugar & Alcohol Co., Ltd., (Soc. Industrielle de la Cellulose). Dec. 21, 1927. Hydrochloric acid.-Hydrochloric acid gas is obtained by heating aqueous hydrochloric acid with sulphuric acid of about 70 per cent strength in stages of successively increased temperature. Hydrochloric acid of 20-35 per cent strength is fed from a vessel 7, together with sulphuric acid, into a compartment 1 of a vessel constructed of volvic lava &c., and passes between baffles 4 in succession through compartments 2, 3 to an outlet 6. The compartments 1 - - 3 are maintained by electric heaters 10 at temperatures of 108‹ C., 135‹ C. and 150‹ C. Hydrochloric acid gas collected by pipes 8, 9 is passed through a cooling coil to separate water. Residual sulphuric acid from the outlet 6 is concentrated for use again by submitting it without further heating to reduced pressure.
Patent GB-940351-A (GB)
Title: Improvements in or relating to hobs
IPC: B23F21/16
Filed: 1961-09-27
Abstract: 940,351. Milling-cutters. PONS & CANTAMESSA S.p.A. Sept. 27, 1961 [March 3, 1961], No. 34712/61. Heading B3K. A hob for cutting large-pitch gears comprises sharpening gashes extending slightly in excess of the tooth height H and recesses 4 located at the tooth spaces.
Patent GB-1241001-A (GB)
Title: Improvements in or relating to space heaters
Inventor: DUCKWORTH CECIL
IPC: F28D1/02
Filed: 1968-07-20
Abstract: 1,241,001. Fan convector heaters; imitation fires. WORCESTER ENG. CO. Ltd. 22 July, 1969 [20 July, 1968], No. 34714/68. Headings F4V and F4W. A fan heater comprises a cross-flow fan behind an inlet 14, a heat exchanger connected to a small bore central heating system, a radiant electric bar 9 of infra-red type, and a device 6 simulating flickering flames. Warm air passes into the room from an upper grille 18 and an air filter is positioned behind the grille. The fan motor can run at three different speeds to alter the heat output and a thermo-switch 24 has an overriding action to prevent fan operation until the water circulating in the heat exchanger reaches a minimum preset temperature. The flicker effect is obtained from three coloured light bulbs 7 and slotted discs 8 which revolve by the action of rising convection currents. The bar 9 and flicker assembly are individually and separately switched and the current is controlled by a thermostat knob.
Patent GB-337613-A (GB)
Title: Improvements in or relating to extra air inlet devices for use in conjunction with the carburetters of internal combustion engines
IPC: F02D9/00
Filed: 1929-11-14
Abstract: 337,613. Hynes, F., and Hynes, J. Nov. 14, 1929. Induction pipes, auxiliary air admission devices for.-A flat member secured between the carburettor and intake flanges has a hole 5 into which is fitted a hollow spindle 8 slotted to receive the disc 11 of a butterfly valve and perforated by holes 14 on the intake side of the spindle. A boss 4 and a sleeve 17, having holes 15, 19, are adapted so that the sleeve and spindle holes 19, 15 always register together as the arm 9 is actuated, while these holes are moved out of register with the holes 16 as the arm is turned. The valve in one position interrupts communication between the carburettor and the intake while admitting extra air. When the valve is turned so as to allow full communication between the carburettor and intake, the extra air is cut off, while in intermediate positions a variable amount of extra air is admitted.
Patent GB-465364-A (GB)
Title: Improvements relating to the securing of the knobs or operating handles of door locks or latches to their spindles
IPC: E05B3/10
Filed: 1935-12-17
Abstract: 465,364. Latch handles. EVERED & CO., Ltd., and WILSON, A. H. Dec. 17, 1935, No. 34949. [Class 44] The knob or handle 7 of a door latch is secured to a spindle 5 having a slot 5<a> the faces of which are provided with serrations or channels 5b. The securing pin 6 has plain ends and two flattened faces 6<a> provided with similar serrations so that the position of the knob is readily adjustable. The spindle may be made in two parts each having a recess to form the slot 5<a> when the parts are placed together. The parts may be secured by spot welding or riveting, but the parts 5<c> between the slot 5<a> and the end of the spindle are left free so that the end may expand when the pin 6 is inserted.
Patent GB-1005671-A (GB)
Title: Improvements relating to vertically-sliding counter-balanced windows
Inventor: OLDHAM FRED ALEXANDER MAUGHAM
IPC: E05D13/00
Filed: 1962-09-14
Abstract: 1,005,671. Spring-balanced windows. HALLAM, SLEIGH & CHESTON Ltd. May 17, 1963 [Sept. 14, 1962], No. 35056/62. Heading E1J. [Also in Division F2] A vertically-sliding window 1 for a vehicle or building is counterbalanced by one or more vertical or nearly vertical compression springs 22 acting on the lower end of a two-armed lever 12, 6 mounted on a fixed pivot, the upper end of the lever carrying a roller 4 engaging a channel 3 on a rail 2 supporting the window 1. The two arms 6, 12 subtend an obtuse angle at the pivot 7. The spring 22 shown is incorporated in a swinging tubular telescopic stay 15 whose lower end carries a block 14 pivoted in a fork on the arm 12, and whose upper end carries a block 23 pivoted to a forked adjusting screw on a fixed bracket 20. The stay 15 incorporates an inner guide tube 25 fixed to the upper end and sliding over a guide rod fixed to the lower end. In a modification the single stay 15 is replaced by a pair of telescopic spring-loaded stays arranged side by side on common terminal blocks pivoted respectively to the arm 12 and to an adjusting screw. The specification quotes dimensions of spring and lever.
Patent GB-448444-A (GB)
Title: Improvements in or relating to closures for jars, metal cans and other receptacles
IPC: B65D51/16
Filed: 1934-12-06
Abstract: 448,444. Vacuum closures for jars. INGRAM, H., Hotel Brunswick, Lancaster, Pennsylvania, U.S.A. Dec. 6, 1934, No. 35083. Convention date, Dec. 7, 1933. [Class 125 (iii)] A closure cap foi jars &c. has a flexible diaphragm C with a vent orifice 3 and a valve D of rubber &c. mounted on a flexible support E which is fixed by snap engagement to the cap to form a unitary construction. An outer screw cap B may be provided with an opening in register with the vent 3 so that a tod may be inserted to unseat the valve. The valve support may be provided with a depressed or concave seat for the valve. The diaphragm may be formed integrally with the screw-threaded apron, and the vent may be covered with paper &c. An elastic gasket 10 may be provided with the closure.
Patent GB-350996-A (GB)
IPC: G03C1/34
Abstract: 350,996. Photographic emulsions. KODAK, Ltd., 61, Kingsway, London.- (Assignees of Sheppard, S. E. and Wightman, E. P. ; Kodak Park, Rochester, New York, U.S.A.) Feb. 19, 1930, No. 5544. Convention date, Feb. 25, 1929. [Class 98 (ii).] To minimize the tendency to fog, a silver salt emulsion has incorporated therein a compound containing the group R-CO-NH- (where R is a radical or group other than hydrogen), and belonging to the class of carbamides, including substituted carbamides and cyclic carbamides, or to the class of acid amides, including substituted acid amides and acid hydrazides. A number of specific examples of compounds are given. The addition for a developing out emulsion is in the proportion of from 1/100 to 10 grms. per 1000 grms. of gelatin. Reference is made to Specifications 235,211, and 337,323, [both in Class 98 (ii), Photographic processes &c.], Specification 235,209 [Class 98 (ii), Photographic processes &c.], also is referred to.
Patent GB-1375767-A (GB)
IPC: E21B31/00
Filed: 1972-07-27
Abstract: 1375767 Gripping devices INSTITUT FRANCAIS DU PETROLE 27 July 1972 [30 July 1971] 35224/72 Heading B8H [Also in Division E1] A device 1 for fishing an elongated member 22 from a borehole comprises: upper and lower tubular members 5, 6; an intermediate tubular member 8 releasably connected to the members 5, 6; and a sleeve 9 to be constricted about and grip the member 22, anchored at its ends to the members 5, 6, and surrounding the member 8. The member 22 is a broken flexible drill pipe which is trimmed before the device is lowered to the position shown in Figs. 1, 1A. A centring tool 23 is lowered through the device, grips the pipe, and is raised to straighten the pipe. The device is lowered over the pipe (see Figs. 4, 4A), the pipe moving a cover tube 17 to free pawls 19 and jaws 20 carried by the member 6, and pawls 28 on the centring tube engaging a lock tube 12 to free balls 10 to disconnect the members 5, 8, and release pawls 15. After the lowering of the device is stopped, the tool 23 is released from the pipe which is prevented from falling by the pawls 19 and jaws 20 on the member 6. The tool 23 is raised to shear pins 16 to disconnect members 6, 8, and raise the sleeve until the head 3 of the member 5 is engaged by the head 14 of the member 8 and pawls 33 on the head 3 engage a groove 34 in the head 14. Further upward pull on the tool 23 shears pins 35 to permit removal of part 27a of the tool from the borehole, the rest of the tool being suspended by pawls 15. The device is raised to constrict the sleeve about the pipe and to remove the pipe from the borehole. The device may have a drill crown for use when raising rigid pipes.
Patent GB-818128-A (GB)
Title: Improvements in or relating to folding apparatus constituting at will a bed or a seat with back
IPC: A47C17/20
Filed: 1957-11-12
Abstract: 818,128. Bed-settees. DUCROT, A. Nov. 12, 1957 [March 13, 1957], No. 35259/57. Class 52(2) Relates to a convertible seat-bed consisting of a mattress frame made up of three pairs of members 1, 2, 3 pivoted end to end at 50, 51, legs 19, 20 mounted on members 2, 3, a chair seat/footboard unit 43 carried by members 1, a seat back-headboard unit 56 secured to L- shaped members 4 pivoted at 54 to members 3 and various links causing units 43, 56 and legs 19, 20 to move in the appropriate fashion during conversion. According to the invention, a chest-like housing 63 is pivoted on members 3 and legs 20 so that it normally (Fig. 1) encloses the mechanism but swings down as the bed is unfolded and a further pair of legs 62 are projected through slots 66 in the housing as the bed-forming position is reached. Forwardly-extending legs 18 are fixed to legs 19 to give additional support to the bed. In the seat-forming position, upholstery 42 secured to unit 43 conceals the forward part of the mechanism.
Patent GB-308383-A (GB)
Title: A direction indicator for motors and other vehicles
IPC: B60Q1/34
Filed: 1927-12-30
Abstract: 308,383. Robinson, C. Dec. 30, 1927. Road-traffic signals on vehicles.-A pivoted signal arm 12 carrying green and red lamps 26, 27 for use on road vehicles is actuated by a handle 31 through the medium of double parallel crank arms 15, 16 interconnected by parallel links 18, 19. The arm 12 carries spring- pressed contacts co-operating with fixed contacts so that the lamps 26, 27 are only lighted when the arm is in the signalling positions.
Patent GB-411051-A (GB)
Title: Improvements in apparatus for adding oil to liquid or gaseous fuel
IPC: F02B75/02
Filed: 1933-12-16
Abstract: 411,051. Lubricating. TECALEMIT, Ltd., Great West Road, Brentford, Middlesex.- (Piquerez, E. ; 18, Rue Brunel, Paris.) Dec. 16, 1933, No. 35488. Addition to 401,126. [Class 12 (iii).] In apparatus claimed in the parent Specification, the means ensuring a difference of pressure between the ends of the two capillary members is adapted to be adjusted in position, in order that the amount of oil added to the fuel can be kept constant irrespective of changes in the circulation of fuel. As shown, the fuel passage 4 has an opening 17 connected to a passage 19 leading to the top of the oiltank (not shown) which is screwed into an aperture 20 formed in the body member 1, and a passage 27 connected to a tube 24 which opens out near the bottom of the oil-tank. In the passage 4 between the openings 17, 27, a valve 5 is mounted on a pin 14, and is held against axial movement by a spring 15. The valve has an aperture 6 shaped so that the opening formed thereby can be varied by turning the valve, and the latter is locked in adjusted position by a pin 7 engaging one of a number of teeth formed on a disc 8 on the valve. Hand-operated valves 22, 28 are pro. vided for closing the passages 17, 27 when the oil-tank is detached for refilling.