baber/WOPTO huggingface dataset:
Patent GB-1533852-A (GB)
Title: Separating coal particles from water
IPC: C10L5/06
Filed: 1975-02-10
Abstract: 1533852 Wet separation of coal SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 9 Feb 1976 [10 Feb 1975 31 Oct 1975] 5482/75 and 45156/75 Heading B2H [Also in Division C5] Coal particles in a coal/water slurry are separated by (a) supplying the slurry to a separator 22 wherein the larger coal particles together with a relatively small quantity of water are separated from the slurry, leaving a second slurry comprising the smaller coal particles and a relative large quantity of water (b) withdrawing the larger coal particles and a small quantity of water as product (c) passing the second slurry to an agglomeration device 26 (d) introducing a binder and the second slurry into the agglomeration device so that coal agglomerates are formed (e) separating the agglomerates from the water (35) and (f) withdrawing the agglomerates as a product. The slurry may contain fine free ash particles and these remain with the smaller coal particles in step (a) and are separated from the agglomerates in the water in step (e). The binder may be hydrocarbon e.g. gas oil.
Patent GB-234206-A (GB)
Title: Improvements in and relating to waterworks pillar taps and the like
IPC: F16K1/04
Filed: 1924-03-04
Abstract: 234,206. Barnett, M. R. March 4, 1924. Branches and mains, connecting. - A valve for tapping water mains has its casing a threated at a<1> for insertion into the main, and at a<2> to receive a screwed sleeve y which secures the member x and also the annular outlet member j. The casing a is internally threaded to receive a threaded jumper b carrying a loose closure member c. A square projection b<1> on the jumper projects into a corresponding socket in the end of the spindle e, and the spindle is also threaded to engage with the member x, the threaded portion being of smaller diameter than the jumper. In a modification, the jumper b itself carries the packing. The handle f may be permanently fixed to the spindle.
Patent GB-929196-A (GB)
Title: Improvements in or relating to electric power fuses
IPC: H01H85/30
Filed: 1961-02-15
Abstract: 929,196. Electric cut outs. ELEKTROTECHNICKE ZAVODY JULIA FUICKA, n. p. BRNO. Feb. 15 1961 [April 4, 1960], No. 5599/61. Class 38(1). [Also in Group XXXVII] A tripping or indicating device for electric fuse links comprises two member 1 and 2 having overlapping, contacting, elongated parts slidable over each other in the direction of their longitudinal axes and held against the said sliding movement against the action of a compressed helical spring 6, by first locking means, incorporating a fusible electrical conductor 5 wound around said overlapping parts and by second locking means 4 made effective by the first locking means such that when the first locking means is released by the conductor 5 melting the second locking means is also released. The second locking means may comprise a rod 4, as shown, fitting into facing grooves, or interlocking corrugations on projections in the two abutting faces (Figs. 2, 3, not shown) or a celluloid or thermoplastic bush (Fig. 4, not shown) surrounding the two parts and which melts or burns away on the melting of the conductor 5. The released members may be used to actuate auxiliary apparatus, e.g. circuit breakers and load switches. Specifications 329,036, 473,503 and 580,462 are referred to.
Patent GB-1206365-A (GB)
Title: Apparatus for detecting faults on a polyphase voltage supply
Inventor: HEMPRICH HORST
IPC: H02H3/253
Filed: 1968-02-05
Abstract: 1,206,365. Protective arrangements. INTERNATIONAL BUSINESS MACHINES CORP. 5 Feb., 1968 [4 Feb., 1967], No. 5606/68. Heading H2K. An arrangement for indicating a phase fault in a polyphase A.C. supply comprises a fullwave rectifier to provide a rectified supply, means deriving a first signal proportional to the mean voltage of the rectified supply and a second signal proportional to the A.C. voltage (ripple) component of the rectified supply and means to compare the signals and to indicate when they depart from a predetermined relationship. The first signal U 1  is obtained across a resistor R 2  of a potential divider R 1 , R 2  connected to terminals I, II of the rectified supply. The A.C. component only passes through a capacitor C 3  and is rectified in the circuit comprising diodes D 1 , D 2  and capacitors C 2 , C 3  to provide the second signal U 2 . These signals may be applied to a differential amplifier as shown or they may be applied in series opposition to a null indicator, Figs. 4 to 7 (not shown). In the latter case one or more transistors may be used to provide a low impedance source for the signal U 1  and the null indicator may be transistorized.
Patent GB-790429-A (GB)
Title: Method of and apparatus for gauging cross-sectional areas of ferromagnetic materials
IPC: G01B7/32
Filed: 1955-02-25
Abstract: 790,429. Electric thickness gauges. VILLAMOSIPARI KOZPONTI KUTATO LABORATORIUM. Feb. 25, 1955 [Feb. 27, 1954], No. 5733/55. Class 37. Apparatus for determining the thickness or cross-sectional area of elongated ferromagnetic material comprises A.C.-fed solenoids 46<SP>1</SP> 46<SP>11</SP> (Figs. 1, 3) through which the test material 45 is fed, a meter connected across a predetermined portion 47 of the coils, where the energizing field is homogeneous, giving indications of the thickness or area. The magnetic field may be constrained by U-shaped yokes 48<SP>1</SP>, 48<SP>11</SP>, the shape and number being dependent on the shape of the test material, e.g. six yokes 48<SP>1</SP> to 48<SP>v1</SP> (Fig. 4) for a hexagonal cross-section rod 45, the six energizing coils 461 to 46<SP>v1</SP> being connected in series. The yokes 48 may be displaced laterally over the surface of the material, measurements being taken from a central energizing coil, or the average of the readings from each yoke unit may be obtained. In one embodiment two bell-shaped yokes are used, one on each side of the test material. The measuring instrument may be connected to a separate pick-up coil located in the region of homogeneous field instead of being connected across a portion of the energizing coils. Variations in thickness or cross-sectional area may be determined by duplicating the apparatus, using a standard test piece in the second measuring unit, and connecting the pick-up coils in opposition.
Patent GB-312589-A (GB)
Title: Improvements in or relating to power transmission apparatus
IPC: B63B21/16
Filed: 1928-02-23
Abstract: 312,589. Jorgensen, O. E. Feb. 23, 1928. Compressed-air engines. - Ships auxiliary machinery is operated by pressure air circulated in a closed circuit between a compressor associated with the ships, propelling machinery and air motors connected with the said auxiliary machinery. A pressure-air tank 2 is supplied from the compressor 1 driven from the prime mover 8 and supplies the air motor 4 which exhausts to a back-pressure air tank 5 feeding the compressor. A heater 3 and a cooler 6 may be arranged on the circuit to increase efficiency. The pressure in tank 2 is from 200 to 300 lbs., and in tank 5 is from 50 to 200 lbs. The airactuated mortor, Fig. 4, which may have a piston displacement divided into two or more parts, has double-acting tandem cylinders 9, 10, with pistons 11, 13 on a rod 12. The valve-chests of the cylinders are supplied by pipes 15, 19 respectively regulated by valves 17, 23. The exhaust pipe 24 is connected to the large cylinder chest through a bye-pass 25 with a non-return valve 26 to prevent the large cylinder acting as a brake by allowing exhaust air to circulate when the valve 23 is closed. The starting-air tank of the main Diesel engine may be used as the working-pressure tank. The compressor may be combined with the reserve air compressor by singling out one of the stages for the work. The steering- gears may be operated by air provided by the compressor used for winch operation, or the main compressor, or a special compressor driven by the main engine, may be used. If the multistage main compressor is used, the tanks are connected to the receivers on either side of the stage chosen.
Patent GB-588893-A (GB)
Title: Improvements in or relating to variable electrical condensers
Filed: 1945-03-09
Abstract: 588,893. Variable condensers. OXLEY, R. F. March 9, 1945, No. 5938. [Class 37] A variable condenser comprises three sheet metal pillars B each having lower hook-like ends B<2> and a lateral extending shoulder B<1>, so that on assembly the ends B<2> are threaded through holes A<2> in the ceramic base A, whereon bringing the pillars upright the ends B<2> grip the underside of the base and draw the shoulders B<1> into firm engagement with the upper side thereof so rigidly fixing the said pillars to which the fixed plates C are then soldered. The movable plates F are soldered in the grooves of a single rotatable post E. Specification 584,031 is referred to.
Patent GB-565072-A (GB)
Title: Improvements relating to corrosion-resistant articles
IPC: C23C28/02
Filed: 1943-04-13
Abstract: 565,072. Propellers. MURRAY, W. S. April 13, 1943, No. 5941. Drawings to Specification. [Class 114] [Also in Groups II and XXXVI] An article or structural member which is liable to be subjected in use to exposure to corrosive fluid, to bombardment by particles entrained in such a fluid and to bending stresses, such as an aeroplane propeller, is formed of a ferrous metal base coacting with a non-ferrous metal layer consisting essentially of at least one member of the group consisting of lead cadmium, copper, silver, zinc, tin, antimony and aluminium and an outer surface layer of indium at least partially diffused into the metal coating. The exterior layer may consist of 1-10 per cent by weight of metallic indium in association with 90-99 per cent of the non-ferrous metal or metals or the latter may be 0.0001-0.001 inches thick and the indium 1-10 per cent by weight of that layer and diffused into it. A layer of chromium may be applied to the ferrous base before the non-ferrous metal coating is applied, preferably by electro-deposition. The non-ferrous metal coating may be brass formed by electrolytically depositing copper and zinc simultaneously on the base. When the non-ferrous metal used is predominantly composed of lead, the latter at the surface of the indium layer is blackened by being combined with sulphur, e.g. by immersing it in an aqueous solution of a soluble sulphide or by moistening it and exposing it to hydrogen sulphide. When applied to screw propeller blades, a thin coating of chromium or other hard wear-resistant and non-corrosive resistant material may be applied over the indium-bearing layer adjacent the leading edge and tip of the blades. Specifications 359,014, 504,953 and 535,769, [all in Group XXXVI], are referred to.
Patent GB-960445-A (GB)
Title: A moisture absorbent artificial leather
IPC: D06N3/08
Filed: 1961-02-17
Abstract: 960,445. Artificial leather. GOPPINGER KALIKOUND KUNSTLEDER WERKE G.m.b.H. Feb. 17, 1961 [Feb. 20, 1960 ; Feb. 22, 1960], No. 5996/61. Heading B2E. A moisture-absorbent artificial leather comprises a porous layer 2 (shown having intercomminuting bubbles 4 and 5) consisting of a synthetic polymerization product attached to a backing 3, such as a woven or knitted fabric, and having a surface which is grained and coated with a hydrophilic layer 1 consisting of a mixture of the same or some other polymerization product and a high molecular weight substance which is swellable or soluble in water, in the form of a thin film which is anchored to the porous layer principally in the depressions of the graining. The artificial leather may be produced by preparing a foundation by applying to a flat flexible base a parting layer in the form of a coating consisting of substances which to some extent will adhere to a polymerization product layer to be applied to said coating, setting the surface' of the parting layer, forming the surface of the parting layer with a negative graining, applying to the grained parting layer a polymerization product, and partly setting the latter at a temperature of about 140 ‹C., if desired, applying a further layer of the polymerization product, placing a backing on to the product whilst the latter is still moist, setting the composite assembly thus obtained at a temperature between 140 and 150 ‹C., stripping the resultant artificial leather from the flexible base and its parting layer, applying to the grained face of the artificial leather thus produced a further coating consisting of a mixture of a polymerization product and a high molecular weight substance which is swellable or soluble in water, and finally stretching the composite material in a tentering frame at 170 ‹C. The parting layer may comprise a cellulose derivative, e.g. acetyl-, ethyl-, benzyl-cellulose and cellulose acetobutyrate. The polymerization product may be plasticized polyvinyl chloride. The high molecular weight substance may be albuminous substances, e.g. casein, or polyvinyl derivatives, e.g. polyvinyl alcohol, or a copolymerization product containing acrylic acid ester.
Patent GB-1075813-A (GB)
Title: Improvements in or relating to the production of hollow articles from elastomeric materials
Inventor: RICHARDSON JOHN PHILIP
IPC: B29C41/14
Filed: 1965-02-11
Abstract: 1,075,813. Moulding hollow articles. LONDON RUBBER CO. Ltd. Oct. 21, 1965 [Feb. 11, 1965], No. 6020/65. Heading B5A. A hollow article of elastomeric material, of a shape including a closed loop, is produced by applying a coating of elastomeric material to a former 10 having a closed loop form which is divided or split at one point of the loop, and removing the article therefrom by drawing that part of the article constituting the inner wall of the loop through the said split. The former has opposed projections 11 and 12, the latter being split longitudinally at 14. When removing the article the split is slightly expanded. Alternatively a filler strip is located in the split and is removed with the formed article.
Patent GB-437782-A (GB)
Title: Improvements in or relating to window assemblies for vehicles
IPC: B60J1/14
Filed: 1934-04-27
Abstract: 437,782. Windscreens. TERNSTEDT MANUFACTURING CO., 6307, West Fort Street, Detroit, Michigan, U.S.A.-(Assignees of Field, H. C. ; 1517, London Street, West Windsor, Ontario, Canada, and Bowlus, B. H. ; 18624, Santa Rosa Avenue, Detroit, Michigan, U.S.A.) April 27,1934, No. 6071 /35. Convention date, May 10, 1933. Divided out of 434,144. [Class 103 (ii)] [See also Group X] A deflecting windscreen is carried on upper and lower vertical pivots, the lower one 6 being detachably received in an open socket 18 forming part of regulatoi mechanism for the panel and being resiliently supported by a washer and spring 21, 22 housed in a recess of the socket. The spring is supported by a washer 23 secured by peening over the edge of the socket recess. Specification 434,144 is referred to.
Patent GB-738036-A (GB)
Title: Stuffed food products comprising a cellulosic casing
IPC: A22C13/00
Filed: 1953-03-05
Abstract: Loss of water from moist foods such as sausage meat stuffed in thin artificial casings of non-fibrous, hydrophilic cellulosic material is controlled by a non-tacky coating of water-insoluble, polymeric material adhered over all portions, including any folds or wrinkles, of the outer surface of the casing, the composite casing having a thickness of 0.0028 to 0.0047 inch and a moisture transmissibility of 0.000387 to 0.00392 gram per square centimetre in 24 hours at 75 DEG F. and 58 per cent relative humidity.  The polymeric material is exemplified by rubbers obtained by polymerization of butadiene, copolymeriztaion of butadiene with acrylonitrile, styrene, coumarone or indene and copolymerization of butadiene, styrene and acrylonitrile, by vinyl and vinylidene resins and the copolymer of vinyl chloride and ethyl maleate, and by blends of such rubbers and resins.  The coatings may be applied from solutions or aqueous dispersions of the polymeric material, such dispersions containing, if desired, a wax, a soft alkyd resin or polymerized isobutylene, a plasticizer such as dibutyl sebacate, dibutyl phthalate, dicresyl phosphate or cyclohexyl butyl phthalate, a protective colloid such as casein, glue, methyl cellulose or gum arabic, karaya or tragacanth.
Patent GB-341323-A (GB)
Title: Improvements in or relating to line clamps
IPC: F16G11/10
Filed: 1930-02-25
Abstract: 341,323. Cord &c. grips. LE PAGE, A. L., P.O. Box 310, Oakville, Connecticut, U.S.A. Feb. 25, 1930, No. 6220. Convention date, May 9, 1929. [Classes 44 and 109.] A device for securing the end of a clothes line, tent cord, &c., or for securing two lines together comprises a channel-shaped member 11, and, pivotally secured to the base of the member 11, a number of plates 16 having oppositely directed projections 29, 30. A bail 25 or other means is provided at one or each end of the member 11 for the attachment of a line 26, and a portion of the line 26, or a second line, is passed through the projections in the plates.
Patent GB-704349-A (GB)
Title: Improvements in transductors with self-excitation
IPC: H03F9/04
Filed: 1951-03-15
Abstract: 704,349. Magnetic amplifiers. ALLMANNA SVENSKA ELEKTRISKAAKTIEBOLAGET. March 15, 1951 [March 22, 1950], No. 6241/51. Class 40 (4) In a transductor in which auto-excitation is established by parallel-connected main windings 2 and half-wave rectifiers 6, the controlling D.C. voltage 7 is applied directly to the main windings so that the use of a separate control winding is avoided. The controlling voltage may be adjusted by a potentiometer 9, Fig. 5, which also controls the degree of self-excitation by virtue of its shunt connection across the rectifiers. The potentiometer may be remotely controlled and a D.C. bias opposing the self-excitation may be established by an additional winding 10. In an alternative arrangement, Fig. 4, the effective controlling voltage is determined by the difference between a rectified A.C. reference potential 71 and the rectified potential across the load 3. In a further arrangement, Fig. 6, a standing bias in the main windings is supplied over a rectifier from an A.C. source 11.
Patent GB-910482-A (GB)
Title: Improvements relating to low pressure metal vapour electric discharge lamps
Inventor: RUFF HAROLD ROBERT
IPC: H01J61/72
Filed: 1958-02-26
Abstract: 910,482. Low-pressure discharge lamps. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Feb. 24, 1959 [Feb. 26, 1958], No. 6248/58. Class 39 (1). The envelope of a low-pressure mercury vapour fluorescent discharge lamp is provided with outwardly - projecting circumferential grooves which provide cool regions for the condensation of the mercury vapour filling and provide a means for regulating the operating pressure, the grooves being located at oneeighth of the envelope length from each end of the envelope. The grooves can be formed by rotating an indenting finger within the envelope whilst it is heated in the region in which the groove is to be formed. According to the Provisional Specification the filling can be sodium.
Patent GB-491565-A (GB)
Title: Manufacture of products containing nitrogen and sulphur and their application in thetextile industry
IPC: D06P5/22
Filed: 1937-03-03
Abstract: Insoluble products are prepared by reacting carbon disulphide with ethylene- or 1 : 3-propylene-imine, a C- or N-substitution product thereof, or their polymers or substitution products, at room or raised temperature in presence or absence of an acid. Equimolecular proportions, or a slight excess of carbon disulphide, may be used, and the reaction may take place in aqueous medium or in an organic liquid, e.g. an alcohol or a hydrocarbon.  In examples ethyleneimine, polyethyleneimine alone or with C-phenylethyleneimine or 1 : 3-propyleneimine, N-benzylethyleneimine, 1 : 3-propyleneimine, or C-phenylethyleneimine, are reacted with carbon disulphide in aqueous solution.  The use of N-methyl- and N-phenyl-ethyleneimine is referred to.  The products may be produced in or on cellulose or other textile fibres by treating them with solutions or vapours of the parent substances.  In an example, cellulose soaked with ethyleneimine solution is treated with carbon disulphide in solution or emulsion or as vapour.  The products may be incorporated in artificial fibres by passing the unfinished threads through successive baths containing imine and carbon disulphide or by treating xanthate-free cellulose hydrate threads, prepared from viscose or from purified xanthate containing carbon disulphide, with imine.
Patent GB-817979-A (GB)
Title: Mounting for steering and traction unit of a power-driven truck
Inventor: ULINSKI BRONISLAUS I
IPC: B60K1/00
Filed: 1957-02-26
Abstract: 817,979. Electrically propelled vehicles; mounting engines. YALE & TOWNE MANUFACTURING CO. Feb. 26, 1957, No. 6400/57. Class 79(3) [Also in Group XXXIV] A power driven industrial truck has a combined steering and traction unit 13 mounted on its frame 10 to pivot about a vertical axis in a single bearing; the bearing comprising an inner race 30 on the unit 13 and an outer race 32 on the frame with anti-friction members disposed to resist vertical thrust. The frame 10 has load wheels 12 under forks 11 at its rear and a single driven and stearable wheel 14, forming part of the unit 13, at its front. The unit 13 comprises an electric motor 24 with gears in a casing 22 (Fig. 3, not shown) and a steering and control handle 19 and can be assembled to the frame from the underside. The races carry ball bearings 38 which are protected by a dust-cover 39 and they are situtated below the level of the top of the wheel 14. The inner race 30 is formed as a split-ring that can be snapped into a groove on the lower skirt 28 of the unit 13. The outer race 32 is a split-ring with lugs 34 connected by a nut and bolt 35 and has a screw 37 to adjust the gap between the lugs before they are clamped. It is attached to the frame 10 by bolts 42 that pass through holes in bosses on its circumference.
Patent GB-1127723-A (GB)
Title: Method of dosing the arc tube of a mercury-additive lamp
IPC: H01J61/18
Filed: 1967-02-10
Abstract: 1,127,723. Metal-vapour lamps. WESTING- HOUSE ELECTRIC CORP. 10 Feb., 1967 [24 March, 1966], No. 6406/67. Heading H1D. A given metal halide filling component for a high pressure mercury vapour lamp, which halide is unstable in air, is introduced into the lamp by the process of placing into the unsealed lamp envelope a predetermined quantity of mercury which is at least partially combined as metal halide with the halogen of the given metal halide, together with the metal component of the given halide in the form of an air-stable metal oxide, and aluminium in approximately the amount required ultimately to react with the oxide of the doping charge to form stable aluminium oxide; sealing the envelope; and operating the lamp for a short time to cause the above reaction to take place. When the lamp is first operated, the introduced materials react together to give the given metal halide, mercury, and aluminium oxide, which latter is deposited on, and forms a protective layer for, the quartz envelope. The aluminium 26, in powder or foil form, together with the metal oxide 28, is placed in the lamp envelope 12, while the mercury/mercury halide mixture 30 is introduced into the depending portion 24 of the side tubulation 22. The envelope is baked, filled with 25 torr argon as starting gas, the tubulation 22 tipped off remote from the envelope, and the mercury/mercury halide mixture distilled over into the envelope, whereafter the envelope is sealed. Alternatively, the envelope may be baked before the introduction into it of any of the filling constituents, which may be temporarily held in an openended capsule secured in the tubulation 22. The given metal halide may be the chloride, bromide, or iodide, of any one or more of Nd, Gd, Sm, Yb, Eu, Tb, Dy, Ho, Er, Pr, Ce, Th, Ta, V, U, Nb, Y, In, Sc, Ti, Ga, Hf, Ir, La, Mg, Pd, Re, Rh, Ru, or Zn; the iodides of Na and Tl may also be included. The halogen may be present in excess. The lamp has a double envelope which houses a resistor connected in series with a starting electrode.