baber/WOPTO huggingface dataset:
Patent GB-204418-A (GB)
Title: Improvements relating to reflectors, shades and globes for electric and other lamps
IPC: F21V17/06
Filed: 1922-07-04
Abstract: 204,418. Frost, S. J. July 4, 1922. Mounting globes, shades, and reflectors directly on rods or tubes. - A spring holder formed as a stamping from a single sheet of elastic metal comprises a sheet metal ring a having upwardly extending arms c which engage with the lamp socket d to support the reflector &c. e, and downwardly depending arms b which, on insertion of the lamp bulb, engage either with the bulb f or its metal plug g and are forced outwardly so as to press the upper arms c firmly into engagement with the screw-threads of the socket d. The Provisional Specification also states that, in one form, the upper arms, two in number, may be in alignment with the lower arms, and may extend first upwards, and then inwards to the socket, the lower arms extending from the outer edge of the ring. The edges of the upper arms may form part or whole of a circle. In another form, the ring may normally be curved symmetrically in diametrically opposite positions so that on engagement with the socket it tends to straighten, and the socket-engaging arms extend inwards but not upwards from the inner edge of the ring in alignment with the lower arms.
Patent GB-749122-A (GB)
Title: Manufacture of ethylamines
IPC: C07C233/16
Filed: 1953-07-02
Abstract: The invention comprises N-acyl- and N-sulphonyl-mercapto-ethylamines of the formula R-NH-CH2-CH2-S-R1 in which R represents a sulphonyl group or an acyl group derived from a cyclic carboxylic acid or from an aliphatic carboxylic acid containing at least 6 carbon atoms and R1 represents an acyl group, and the preparation of compounds of the formula R-NH-CH2CH2-S-R1 in which R represents an acyl or sulphonyl group and R1 represents an acyl group, by reacting an N-acyl or N-sulphonyl-ethylene-imine with a thiol-carboxylic acid. A free mercapto group is produced by de-acylation by means of an amino-compound.  The N-acyl-ethylene-imine of an aliphatic carboxylic acid containing at least 6 carbon atoms or of a cyclic carboxylic acid may be used as starting material.  Examples disclose the production of N : S-diacetyl - b  - mercapto - ethylamine, N - acetyl-S - benzoyl - mercapto - ethylamine, N - nicotinyl - S - benzoyl - b  - mercapto - ethylamine, N - pantothenyl - S - benzoyl - b  - mercapto-ethylamine, N - pantothenyl - S - acetyl - b -mercapto - ethylamine and N - d - toluene-sulphonyl - S - benzoyl - b  - mercapto - ethylamine.  N - acyl - ethylene - imines are obtained by reacting an anhydride of a carbonic acid semi-ester and an appropriate acid with an ethylene-imine in the presence of an acid-binding agent e.g. a tertiary amine.  The production of N-nicotinyl- and N-pantothenyl-ethylene-imine is described.
Patent GB-393764-A (GB)
Title: Improvements relating to a process of extracting cadmium from its oxy compounds
IPC: C22B17/02
Filed: 1932-06-29
Abstract: Material such as ores, furnace products, or flue or bag house dusts containing cadmium as an oxy-compound such as oxide, arsenate, arsenite or carbonate is extracted with ferric sulphate solution, preferably at boiling point, the cadmium sulphate solution separated from insoluble matter which contains most of the arsenic as ferric arsenite or arsenate, and treated with cadmium sulphide to precipitate dissolved impurities such as iron, copper, silver, bismuth, lead, arsenic, mercury and antimony. Cadmium is recovered from the purified solution, preferably by electrolysis, after removal of residual iron by oxidation with sodium chlorate and precipitation with lime.  Remaining arsenic is carried down with the iron as ferric arsenate.  For the electrolytic recovery of the cadmium, the solution is circulated in the cells, employing lead or ferrosilicon anodes, and sheet cadmium cathodes which have been previously deposited on aluminium cathodes.  Zinc is allowed to remain in the electrolyte. Ferric sulphate solution required for the leaching may be obtained by oxidizing ferrous sulphate solution with air and sulphur dioxide, the ferrous sulphate being preferably obtained by dissolving scrap iron in the spent electrolyte.
Patent GB-971296-A (GB)
Title: Improvements in or relating to line justifying apparatus
IPC: B41B25/00
Filed: 1963-05-09
Abstract: 971,296. Strip-perforating apparatus. LINOTYPE G.m.b.H. May 9, 1963 [May 10, 1962], No. 18451/63. Heading B6W. Justifying type.-In a tape perforator having a space key 1 and a tape transport key 2 which operates a device for punching a transport perforation and also initiating a blank space on the'punched tape, means are provided which when a switch 3 is closed operates the device for punching a transport perforation and initiating a blank space directly after each operation of the space key 1. The blank space on the tape may then be used to add perforations equivalent to , ¢ or 1 em quads so that the line may be justified. The circuit 4 to 7, Fig. 1, upon release of the space key 1 and therefore the switch 1a, closes a switch 4a through operation of a relay 4, which energizes the electromagnet 2b which mechanically depresses the key 2. In a modification, Fig. 2 (not shown), which dispenses with mechanical operation of the key 2 by the electromagnet 2b and uses only electrical means to operate the device for providing the space on the tape. A tape-return key 28 is provided which operates a device for the step-wise return transport of the punched tape. A repetition key 30, Fig. 2 (not shown), is also provided with which a continuous return of the punched tape is initiated for the period of operation of the key. In a further modification, Fig. 3 (not shown), the perforator is provided with a punched tape reader 31 so adjusted that it stops the return transport device for the punched tape when a space perforation combination passes through it. In addition, there is also provided a switching device which on each stoppage of the return transport automatically punches a pre-selectable justification matrix in the space corresponding to the blank space on the punched tape and feeds the numerical value thereof to the adding device of the perforator indicator system. Further, an electronic computer is provided which if the line is not justifiable automatically indicates on command whether , ¢ or 1 em quads are to be subsequently inserted and actuates a justification matrix selector.
Patent GB-965858-A (GB)
Title: Organic solvent compositions and their use
IPC: D06L1/02
Filed: 1962-05-15
Abstract: A degreasing and dry cleaning composition comprises by volume (a) 10-40%, preferably 15-35%, 1:2-dichloroethane, and (b) 90-60%, preferably 85-65%, trichlorethylene. The composition suitably also includes one or more stabilizers, e.g. alkyl- and alkanol-amines, morpholines, pyridine, pyrroles, pyrrolidine and pyrroline; epoxides; phenols; hydrazones of ketones and aldehydes; monocarboxylate esters; alcohols, including propargyl alcohol; dioxane; nitroalkanes; tetrahydrofuran and -thiophen; aliphatic nitriles; and dialkoxyethanes. Where a single stabilizer is present it is normally used in an amount of 0.005-3% by weight of the solvent mixture; where a mixture is used, the total is less than 5%, preferably 0.5-3%, and individual stabilizers are present in amounts of 0.001-2%.  When used for prolonged vapour degreasing, component (a) becomes depleted, and the concentration of the composition may be restored by addition of a mixture containing an excess of (a) over the residual composition and comprising, by volume, 33% of (a) and 67% of (b).  Specification 891,242 and U.S.A. Specification 2,070,962 are referred to. Reference has been directed by the Comptroller to Specification 896,953.
Patent GB-583067-A (GB)
Title: Improvements in and relating to electrical contacts
IPC: H01B1/00
Filed: 1943-11-10
Abstract: A modification of the parent Specification in which electric contacts are made of a metallic composition consisting of 70-98 per cent. of one or more refractory metal carbides selected from the group consisting of tungsten carbide, molybdenum carbide, titanium carbide, zirconium carbide, vanadium carbide, niobium carbide and tantalum carbide, and of from 0.25 to 20 per cent. of cobalt and 0.25 to 24.9 per cent. of silver, in which term are included silver alloys containing at least 70 per cent. of silver together with, for instance, cadmium, zinc, tin, palladium, indium or gold as well as sterling silver or coin silver.  Compositions are referred to consisting of 85-95 per cent. of refractory carbides, 2.0-10 per cent. cobalt and 0.5-5 per cent. silver, 87-93 per cent. of refractory carbides, 6-10 per cent. of cobalt and 1-3 per cent. of silver.  The composition may be made by milling together the carbide and cobalt powders, adding the silver powder and again milling.  The mixture is moulded to form a coherent pressed body and sintered.  The final sintering may take place in pure dry hydrogen at 1,350 DEG  C. to 1,500 DEG  C.  A volatile binder may be introduced into the mixture with the silver powder. This binder is removed in a preliminary sintering operation which also effects a preliminary bonding of the mixture.
Patent GB-380853-A (GB)
Title: Improvements in or relating to metal joint washers or gaskets
IPC: F16L23/18
Filed: 1931-06-29
Abstract: 380,853. Joint - making packing. WILLS, P., 39, Northfield, Bridgwater, Somerset, and WILLS, A. F., Grasmere, Sloddens Road, Burnham-on-Sea. June 29, 1931, No. 18682. [Class 122 (iii).] A metal gasket comprises a sealed annular metal chamber 13 initially filled with gas at a pressure greater than atmospheric. It may be in the form of two plates 114, 14, secured together by welding &c. or a metal tube may be bent into a circle and its ends welded together. The chamber may be loaded by sealing the gasket in an atmosphere under pressure or by sealing within the gasket chemicals which generate a gas upon reaction. A reinforcing ring may be sealed in the chamber to limit compression thereof.
Patent GB-746384-A (GB)
Title: Consumable flexible stranded metal wires for welding, soldering or spray coating
Inventor: HOLLER HERMANN
IPC: B23K35/02
Filed: 1953-07-06
Abstract: 746,384. Coating with metals. VEREINIGTE DEUTSCHE METALLWERKE AKT.-GES. July 6, 1953, No. 18705/53. Class 82(2). [Also in Group XXII] A consumable flexible stranded wire assembly for use in supplying molten metal during welding, soldering or metal spraying comprises individual wires 1, 2, 3, Fig. 1, twisted together and having other consumable materials 4 enclosed in their interstices formed during the twisting, said assembly being enclosed in a sheathing. For metal spraying purposes the sheathing mass forms a gas which serves to blanket the metal particles sprayed from the spray gun. For metal spraying purposes the material 4 may comprise oxide-dissolving fluxes which may be combined with other substances which on combustion also produce a protective gas for shielding the spray ; these materials 4 may also be provided on the periphery of the wires. One or more additional wires 5 may be wound around and in contact with the wire assembly and partially embedded in the sheathing ; these addition wires supply current to the wire assembly. In the case of the materials 4 being hygroscopic, they are sealed in their interstices by welding together the individual wires 1, 2, 3 along their contact surfaces or by sealing the wires together by an adhesive which may be added to the material 4 and may be hardened under pressure or heat. Sealing substances which are adapted to sintering under heat may be used. The wires are preferably heat treated before or after twisting. Sets of wire assemblies may be cabled to form a central cavity 19, Fig. 6, for additional consumable material, the cable being provided with a sheath 22. For metal spraying operation, the cable is passed through a tubular nozzle 21 of a spray gun.
Patent GB-1533788-A (GB)
Title: Vehicle brake assemblies
IPC: F16D65/28
Filed: 1976-05-07
Abstract: 1533788 Brake linkages; linkwork BERGISCHE ACHSENFABRIK FR KOTZ & SOHNE 7 May 1976 [21 June 1975] 18710/76 Headings F2E and F2K A vehicular brake assembly, comprises a brake cylinder 5 the piston-rod 7 of which is connected via a telescopic device 11 to a connecting fork 10; the fork 10 is connected, optionally via an intermediate member 18, with a brake lever 19. The lever 19 is pivotable to apply the brake for service braking by the brake cylinder 5 acting via linkage 7, 11, 10, (18) or by a parking brake actuating mechanism which acts on the lever 19 via a control cable 24-during such actuation the telescopic device 11 expands (Fig. 2, not shown) without pulling the piston-rod 7 out of the cylinder 5. As illustrated, the cylinder 5 which is of compressed-air diaphragm type is secured via a web 3 of a base-plate 4 to holders 2 carried by an axle beam 1. The piston-rod 7 has an end thread 8 on which a locknut 9 is disposed. The telescopic device 11 comprises a tube 12, a guide piston 13, a guide rod 14, and a guide ring 15. The tube 12 is fixed at one end to fork 10 and its other end is closed by guide ring 15, and on the end of the guide rod 14 a nut 17 is secured which can be screwed on the end thread 8. The connecting fork 10 can be connected to the member 18 and the member 18 can be connected to the lever 19 in a number of discrete positions to vary the effective length of the lever 19. The lever 19 is part of a housing 20 of an automatic adjusting device 21 which is arranged in a brake actuator 22 mounted in a bracket 23 connected with beam 1. Pivoting of the lever 19 by cable 24 or by cylinder 5 about the axis of rotation of actuator 22 actuates a mechanical drum brake.
Patent GB-115777-A (GB)
Title: Improvements in and relating to Casks or Barrels.
Inventor: FAIRCLOUGH WILLIAM
IPC: B65D8/00
Filed: 1917-12-19
Abstract: 115,777. Fairclough, W. Dec. 19, 1917. Hoops. - Hoops for casks and barrels are formed with pointed inwardly - bent tongues 3 which are inclined towards the ends of the cask &c. and prevent slipping of the hoops. After the hoops have been pressed on the casks &c., the tongues 3 may be driven into the wood by means of a punch.
Patent GB-925931-A (GB)
Title: Improvements in axial flow propeller blade rotors, in particular for axial flow fans
IPC: F04D29/38
Filed: 1960-05-27
Abstract: 925,931. Axial-flow fans. S. M. F. ENG. DAHL. May 27, 1960 [May 28, 1959], No. 18825/60. Drawings to Specification. Class 110 (1). [Also in Group XXXIII] In an axial-flow fan impeller, in each blade section taken along a cylindrical surface coaxial with the axis of rotation of the impeller the camber line of the blade has the shape of an arc of a circle when the blade section is developed in a plane, the radius of curvature of the arc being the same for all blade sections; the width of each blade, substantially corresponding to the length of the chord of the camber line of the blade section when developed in a plane, decreases from hub to tip in inverse proportion to the square root of the distance of the blade section from the axis of rotation; and the pitch of each blade increases continuously from tip to hub. The angle of attack of the blades decreases continuously from hub to tip. The blades are of laminar or aerofoil form. Preferably the midpoints of the camber lines of each blade lie on a radius of the impeller.
Patent GB-384348-A (GB)
Title: Improvements in or relating to book rests or reading stands
IPC: A47B23/02
Filed: 1931-06-30
Abstract: 384,348. Tables and desks. LEONG, C. H., 141-C, Devonshire Road, Singapore. June 30, 1931, No. 18904. [Class 52 (iii).] In a book rest or stand of the kind comprising a table member adjustable to various inclinations by means of a hinged strut, the table A is supported by a prop B, and a pair of hooks E adapted to be placed on the back of a chair, seat, bed-rail, drawer front, motor-car door, or other support. The strut C is bent to form a pivot c<1> in a bracket bl, and its outer end enters one of a series of holes d<3> in a channel-shaped guide D, by which means the inclination of the table A mav be adjusted. When the device is collapsed, a screw head d4 springs into one of these holes and maintains it in a folded condition. The hooks E are pivotally fitted in brackets e<2>, and their lower ends have stops e<3>. The device is fitted with a book-marker F, a ledge H grooved or fitted with page-holders h<1>, a pencil clip J, and a mirror which may be sunk into the surface of the table A ; alternatively the mirror may be replaced by a sheet of glass covering a photograph. There may also be fitted pivoted strip-like arms M, which may be swung out to enlarge the surface to hold music, newspapers, &c. The device may be hung on a horizontal bar pivoted to a board hung on the back of a chair.
Patent GB-477697-A (GB)
Title: Improvements in or relating to electric cables
IPC: H01B11/18
Filed: 1936-07-08
Abstract: 477,697. Cables. PIRELLI - GENERAL CABLE WORKS, Ltd., and WERREN, H. T. July 8, 1936, No. 18914. [Class 36] A coaxial cable of the air-space insulation type comprises a conductor 1 supported centrally by spacers 2 within an open helix 3 of copper tape, or other self-supporting material, over which is applied a stranded outer conductor 4. The conductor 4 is bound by a tape 5 and is surrounded, preferably with the interposition of light insulation, by a lead alloy sheath 6. The spacers may be in the form of beads, several constructions of which are shown in Fig. 2. In a modified construction the conductor 1 is centred within the helix 3 by a single helically spacer of cotton. The helix 3 may be formed by lapping the tape round a hollow mandrel through which the central conductor with its spacers passes, the helix being drawn out in an axial direction as it leaves the mandrel so that it contracts radially and contacts with the spacers. Specification 257,894, [Class 36], is referred to.
Patent GB-792400-A (GB)
Title: Improvements in variable speed electric generators in particular for automobile vehicles
Inventor: MENNESSON BERNARD RENE
IPC: H02K1/27
Filed: 1956-06-19
Abstract: 792,400. Ignition generators. SOC. D'APPAREILS DE CONTROLE ET D'EQUIPEMENT DES MOTEURS S.A.C.E.M. June 19, 1956 [June 25, 1955], No. 18978/56. Class 35. In a generator with a permanent magnet rotor, the rotor includes magnets connected in pairs by resilient magnetic element deformable to adjust the reluctance with changing speed. The radially magnetized magnets 5 of reversal polarity are secured with polepieces 7 to yoke members 6 which are secured at their centres only to the arms 2 of the zinc rotor body 1 and the yokes move outwards at higher speed to increase the gaps between polepieces 7 and stator polepieces 10 and form gaps between yokes 6 and inserts 13 as shown in Fig. 4. Excess outward movement is prevented by the engagement of the ends of polepieces 7 with projections 14. One stator core may have a lighting coil and one an ignition coil and the generator may be used on a vehicle.
Patent GB-725081-A (GB)
Title: Improved cattle tethering device
IPC: A01K1/04
Filed: 1953-07-09
Abstract: 725,081. Tethering animals. LIVINGSTONE D. E., and LAKE, E. H. July 9, 1953, No. 19015/53. Class 62. [Also in Group XXV] Cattle are tethered by a chain a link of which is passed over a bar removably located between wall-mounted brackets and comprising two relatively displaceable members. As shown in Fig. 2, members 16, 17 which are urged apart by an interposed spring 20 are located in a tube 15, the lower member 17 being secured to the tube by bolting or welding and having a condensation drainage hole 23. Both members have tapered outer ends 19, 22. The bar is sprung into position in the manner shown in Fig. 4 so that the members engage holes 24, 25 in wallmounted brackets 10, 11. To release the bar sideways pressure is applied, and at the same time the member 16 is forced down against the spring, for example by a hammer blow. An elastic or rubber buffer may be substituted for the spring, or alternatively a spring- loaded hydraulic piston may be used. In an alternative arrangement the spring is dispensed with and a shear pin, which is broken off when vertical pressure is applied, prevents relative movement between the member 16 and the tube.
Patent GB-890209-A (GB)
Title: Insoles and ribs therefor
IPC: A43B15/00
Filed: 1958-06-13
Abstract: 890,209. Sewing ribs for insoles. SMALL, E. F. June 13, 1958 [Dec. 14, 1957], No. 19024/58. Class 17(2) A sewing rib 14 for an insole 10 is formed of laminated fibrous material of right triangular cross-section, to whose inner side is adhered a strip 16 of woven material with an overlapping flange. The side 22 of the rib and the under side of the flange are coated with adhesive and then applied to the insole. The grain of the fibrous material preferably runs at right angles to the base of the rib but it may, alternatively, run lengthwise of the rib. Specification 890,210 is referred to.
Patent GB-120301-A (GB)
Title: Improvements in Spindles for Spinning, Doubling, Twisting, and like Machines used in the Production of Yarns or Threads of Fibrous Substances.
Inventor: SMITH ALFRED
IPC: D01H7/16
Filed: 1917-12-24
Abstract: 120,301. Smith, A., (Smith, T. H.). Dec. 24, 1917. Addition to 108,962. Spindle apparatus.-The tapering portion a<1> at the top of the spindle or any other tapering portion over which the bobbin takes and on which' it rests is formed with spiral grooves d<2>, or with spiral ridges, or with annular grooves and ridges in a similar manner to that in which the base b of the spindle is formed as described in the parent Specification. Both the base and any other tapering portions may be formed with grooves &c.
Patent GB-1033440-A (GB)
Title: A process for the purification or raw cracked gases containing acetylene
IPC: C07C7/00
Filed: 1965-05-06
Abstract: Cracked gas containing acetylene is purified to remove easily condensible compounds, particularly naphthalene and acenaphthylene, by contact with a hydrogenated naphthalene, e.g. tetralin or decalin. The washing is effected at 15-40 DEG  C. and atmospheric pressure, the washing liquid containing less than 10g./1. of naphthalene.  This washing is preferably followed by contact with 40-100% sulphuric acid at 25-40 DEG  and 5-24 atmos.