baber/WOPTO huggingface dataset:
Patent GB-256566-A (GB)
Title: Preparation of paper to enable portions to be easily detached and means for carrying same into effect
IPC: B31F1/07
Filed: 1925-12-16
Abstract: 256,566. Marchant & Co., Ltd. Aug. 6,1925, [Convention date]. Scoring.- In the preparation of paper for allowing portions to be detached, a line of depressions 10 is formed, each depression of which is separated from the next by a narrow bridge, by which the portions of the sheet lying on opposite sides of each line of depressions are mainly connected. The paper is fed into the machine by rolls 42, 42a to taper-edged depression-forming discs 12 coacting with an anvil-roller 25. Radial notches 14 in the discs allow of the formation of the bridges. The discs are keyed to a shaft geared to the anvil shaft and rotated in hangers 16 with balanceweights 17. The hangers are secured in adjusted position on a rod 18 by screws 19. Screws 31 on the hangers contact with a rod 30 to space the discs form the anvil. The beam is prevented from bending by a grooved backing beam 33. A flat 30a on the rod allows the balance-weights to lift the discs for feeding in. Stripper plates 38 are secured to the hangers. The paper is delivered by rolls 43, 43a.
Patent GB-383421-A (GB)
Title: Improvements in and relating to wire drawing machines
IPC: B21C1/08
Filed: 1931-11-17
Abstract: 383,421. Drawing wire. HERAEUS VACUUMSCHMELZE AKT. - GES., and ROHN, W., 8, Dammstrasse, both in Hanauon-Main, Germany. Nov. 17, 1931, No. 31883. [Class 83 (iv).] Each drawing-drum of a wire-drawing machine is mounted directly upon the shaft of a separate electric motor unit. A drawing- drum C, Fig. 2, may be mounted on the shaft B of a motor M, all the motors being supported on a member A, the dies D being mounted on a member E. A motor unit may alternatively include gearing g, h, Fig. 4, the drum C being mounted on the driven shaft f. Usual means for varying the speed of the motors may be included. The drums may increase progressively in diameter, or their speeds may be progressively increased, or a combination of these two methods may be employed, to compensate for the increase in length of the wire on drawing.
Patent GB-1190081-A (GB)
Title: Improvements relating to the Formation of Alkali Metal Layers on the Inner Wall of a Glass Vessel
IPC: H01K1/54
Filed: 1967-07-12
Abstract: 1,190,081. Gettering. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 12 July, 1967 [15 July, 1966], No. 32014/67. Heading H1F. [Also in Division C7] An alkali metal layer is formed on the inside wall of a vessel made of an alkali metal-containing glass and provided internally with an electrode by locally heating a portion of the glass vessel to a temperature sufficient to render it electrically conductive without softening it, providing a rare gas atmosphere within the vessel, and applying a voltage between the outer surface of the heated portion of the glass vessel and the electrode so that electron emission occurs from the electrode, connection being made to the outer surface of the heated portion of the vessel through an electricallyconductive fluent solid, liquid or gas free from alkali metal, whereby alkali metal is deposited on the inside wall of the glass vessel and is supplied entirely by depleting the alkali metal content of the glass. As described, electrical contact is made to the outside of the glass vessel by the gas flame employed to heat it or by graphite powder in a metal container, and the internal electrode is the filament in an electric incandescent lamp.
Patent GB-324914-A (GB)
Title: Improvements relating to first-aid outfits or the like
IPC: A61M5/31
Filed: 1928-11-05
Abstract: 324,914. Deck, E. J., and Arnold, H. H. Nov., 5, 1928. Putting-up appliances.-A first-aid or like outfit comprises tubular members 9, 3, of glass, celluloid, vulcanite, ceramic ware, or other material, fitting slidably the one into the other and containing respectively surgical dressings 10, and liquid, plastic, pulverulent, or other antiseptic, 4, for example, solid iodine. The member 9 is closed at one end by a plug or cap 14 of cork or the like, serving as a plunger to express the antiseptic, and at the other by a plug or cap 11 on which, may be wound adhesive tape 13. The antiseptic is expressed through a nozzle 6, closed by a cap 7 having a cork or like lining 8, or by a spring-pressed valve within the container 3. The members 9, 4 are secured together, when not in use, by a strip 15 of adhesive tape wrapped around the members or adhering to one member and engaging the other by a press-stud fastener. In a modification screw connections are provided between the member 3 and the members 7 and 9 respectively and the plug 11 is replaced by a screw cap having a depending flange adapted to cover adhesive tape wound on the member 9. The outfit is preferably enclosed in a casing (not shown) having a. friction cap, or a protective covering 16 of adhesive tape may be wound on the member 3.
Patent GB-862902-A (GB)
Title: Improvements in apparatus for machining a workpiece by electric spark discharges
IPC: B23H1/02
Filed: 1957-10-15
Abstract: 862,902. Cutting by spark erosion. CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE. Oct. 15, 1957 [Oct. 19, 1956], No. 32239/57. Class 83 (4). In a spark machining apparatus wherein the spark-gap 3 between electrode 1 and workpiece 2 is fed from an accumulator 4 charged from a source 5, means 9 operative by variations in charging current are provided to superimpose a voltage impulse on the voltage across the accumulator at a given instant in the charging period, thereby to start the spark discharge at the same instant in each charging period. The accumulator 4 may be a capacitor or delay line. A winding 6 on a toroidal ferrite core 9 is mounted on one of the supply leads to the accumulator and a voltage induced in the winding by the charging current is applied across the spark gap through a rectifier 8 and a potentiometer 10 to initiate the spark discharge. The rectifier is preferably a germanium or silicon semi-conductor. Means may be provided for reducing the voltage across the gap at the end of the discharge period as described in Specification 862,901.
Patent GB-179967-A (GB)
Title: Process and apparatus for the utilisation of cosmic electricity
IPC: H05F7/00
Filed: 1920-11-15
Abstract: 179,967. Rasch, E. F. W., and Krist, E. Nov. 15, 1920. Atmospheric, terrestrial, and interplanetary electricity, utilizing.-Electricity is obtained from the upper strata of the atmosphere by means of glowing cathodes such as flames or heated conductors. These, are supported by kites and the electricity is conducted to the earth along the steel kite wire. The glowing conductors may consist of " second-class conductors " such as the oxides of bismuth, copper, barium, strontium, yttrium, zirconium, cerium, lanthanum, thorium, and calcium. Flame electrodes may be produced by burning gaseous or other fuel, and the flames may vaporize metallic salts, such as the salts of potassium, lithium, calcium, strontium, cr barium. In the arrangement shown in Fig. 1, two electrodes a, b of tungsten or nickel are mounted in an insulating body. The electrode a is coated with a " second-class conductor. " A small continuous current dynamo c driven by the wind is connected to the electrodes a, b so as to cause the electrodes to glow and form an arc light. The electricity produced is conducted along the kite wire d, through a contact f and spark gap g to a transformer i from. which it is conducted to the distributing-circuit.
Patent GB-816941-A (GB)
Title: Exchangeable element for high pressure-difference filters
IPC: B01D29/41
Filed: 1955-11-11
Abstract: 816,941. Filters ; filter media. FAUDI FEINBAU G.m.b.H. Nov. 11, 1955 [Nov. 13, 1954], No. 32313/55. Class 46. Grooved cardboard or like discs 1, 2, provided with a stiffening or binding agent but unhardened, are first smoothed at 4. They are then placed with grooved faces touching and grooves crossing, and a ring 3, e.g. of the same material is added. Hardening is then effected, a one-piece filter element being thereby formed, and the ridges connected together adhesively. Alternatively cardboard fibres 8 may be provided between two discs, 5, 6, which may, as shown, be smooth, and the fibres may be hardened and adhered to the discs during manufacture. Where the discs are grooved only the grooved faces need be stiffened. The discs may be grooved on both faces, and they may consist of papier-mache or filter paper. Several elements are clamped between fixed end discs on a perforated tube or triangular section member. The intermediate rings 3 may be loose instead of secured to the elements.
Patent GB-155814-A (GB)
Title: Improvements in or relating to processes for the production of pure nitrogen
IPC: C01B21/04
Filed: 1920-11-16
Abstract: 155,814. Thorssell, C. T., and Lunden, H. L. R. Nov. 16, 1920. Nitrogen.-Relates to the production of nitrogen by absorption of oxygen from a mixture of nitrogen and oxygen by means of iron, preferably in the spongy form, followed by the regeneration ot the oxide produced, and consists in utilizing the heat generated by the absorption reaction to provide the heat required for the regeneration process. Since too large an excess of heat is developed by the use of atmospheric air in the absorption reaction, gases containing only about 10 per cent of oxygen are employed, e.g. flue gases from industrial plants, or mixtures of these gases with atmospheric air. The metal is contained in two shafts A, which function alternately, as oxidation and reduction retorts. Each shaft is connected at the top with a counter-current preheater E, by means of which the gase entering the shaft, namely the mixture of nitrogen and oxygen supplied through pipe G or the reducing gas supplied through pipe I, are heated at the expense of the gases leaving the shaft, viz. pure nitrogen by the pipe L or exhausted reducing gas by the pipe N. In this form of apparatus, the hot gases issuing from the oxidation chamber pre. heat gases entering this chamber and similarly with the reduction chamber; heat is thereby stored up in the oxidation chamber and becomes available when the operation of the apparatus is reversed. In a modification, the hot gases issuing from the oxidation chamber preheat gases entering the reduction chamber and vice versa, in which case longer intervals may elapse between the reversals of the working of the apparatus. In both forms of apparatus, the preheater can be short-circuited to any required extent by the valved pipe R, and the shafts A are covered with adjustable heat-insulating plates D, in order to control the radiation of heat therefrom. The active mass of metal may also be varied, either by employing a number of shafts, some of which can be cut out at will, or by mixing inactive material, such as pieces of ordinary iron, with the reaction material.
Patent GB-618386-A (GB)
Title: Improvements relating to bearing alloys
IPC: C22C9/08
Filed: 1946-10-31
Abstract: A bearing alloy has the following composition: Pb 5.0-15.0 per cent, Sb 0.7-1.25 per cent, Ni 2.0-10.0 per cent, with or without Sn up to 6.0 per cent, Cu together with impurities forming the balance.  The impurities may be derived from the raw materials or from deoxidising or degasifying agents.  Thus, the alloy may contain up to about 1 per cent of zinc and small amounts of manganese, phosphorus and sulphur. The Specification refers also to copper base alloys containing lead, nickel and tin, together with about 1 per cent arsenic or about 1 per cent bismuth.
Patent GB-1436887-A (GB)
Title: Process for the preparation of ketones
IPC: B01J27/049
Filed: 1973-07-09
Abstract: 1436887 Olefins by decomposing thiols SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 9 July 1973 [1 Sept 1972] 32513/73 Heading C5E [Also in Divisions B1 and C2] Butenes or hexenes are produced when 1- or 2- butanethiol or 3-hexanethiol respectively are passed with water at elevated temperatures over metal sulphide catalysts comprising at least one metal from Group Va or VIa and/or manganese and at least one metal from Group VIII of the Mendeleef Periodic Table.
Patent GB-923411-A (GB)
Title: Curing olefine copolymers
Inventor: SEAR DEREK WILLIAM
IPC: C08K5/14
Filed: 1958-10-11
Abstract: A copolymer of two or more mono-olefines is cured by heating with an organic peroxide and sulphur or a compound liberating sulphur on heating, e.g. tetramethyl thiuram disulphide, dithiomorpholine or a persulphide.  The copolymers specified are those derived from ethylene, propylene, butene, isobutene, pentenes and hexenes, and in particular those derived by the use of Ziegler catalysts.  The organic peroxide may be dicumyl, di-t-butyl or benzoyl peroxide, or t-butyl perbenzoate.  Optional ingredients are zinc oxide, carbon black, stearic acid and saturated extending oils.
Patent GB-629811-A (GB)
Title: Improvements relating to continuous glass tank furnaces
IPC: C03B5/225
Filed: 1947-12-10
Abstract: 629,811. Glass manufacture. SMITH, A. E. Dec. 10, 1947, No. 32539. Convention date, Dec. 11, 1946. Drawings to Specification. [Class 56] In glass manufacture a storage chamber or chambers of relatively large capacity is/are arranged between the melting chamber and the working chamber so that during week-ends or other periods when no glass is being withdrawn from the working chamber full melting may continue in the melting chamber. The chambers are arranged on successively lower levels and the melt gravitates into the storage chamber where it is stored until it is required in the working chamber to which it gravitates as required. The glass may be maintained liquid in the storage chamber by appropriate heating means, e.g. immersed electrodes, or the heat therein may be arranged to be sufficient to fine the glass. The flow from melting to storage chamber may be controlled by a valve or weir and that from storage to working chamber by a valve which maintains a substantially constant level in the working chamber.
Patent GB-324977-A (GB)
Title: Process and apparatus for the preparation of semi-colloids and uniform colloids
IPC: B02C19/00
Filed: 1928-11-08
Abstract: 324,977. Potts, H. E., (Plauson, H.). Nov. 8, 1928. Roller mills; impact pulverizers. - A colloid mill for effecting crushing and percussion in a single apparatus comprises a ring of interengaging cogs 9-12 through which the material under treatment passes surrounded by a stationary or toothed surface 8 against which the crushed material is'directed by the cogs. The surface 8 may be replaced by a second ring of cogs or by a screen consisting of parallel vanes. In a modification, the inlet and outlet are placed at opposite sides of the casing, and the crushing cogs extend in line across the apparatus.
Patent GB-754319-A (GB)
Title: Improvements in or relating to signal transformation devices employing secondary-emission electron tubes
IPC: H03K5/01
Filed: 1954-11-10
Abstract: 754,319. Gating units. TELEFONAKTIEBOLAGET L.M. ERICSSON. Nov. 10, 1954 [Nov. 11, 1953], No. 32610/54. Class 40 (6). In a signal translating device employing a secondary emission electric discharge tube in which the input signal is applied to the control electrode, the output signal voltage of the dynode has the same or opposite polarity to the input signal or no output is obtained in dependence upon the value of the positive voltage applied to the dynode. Fig. 3 shows a circuit in which a positive input pulse is applied to the control grid of a multi-path secondary-emission tube three dynodes of which are connected via paralleled resistors Ra1 Ra2 (which present an effective load of Ra) to positive voltages Vo which are respectively less than, equal to and greater than the voltage Vc of the collector electrode. The dynode characteristic, Fig. 2, is such that when Vo is less than Vc an increase in cathode current caused by a positive pulse applied to the control electrode. produces an increase in dynode voltage so that a positive output pulse is obtained, similarly when Vo is equal to Vc no output is produced and when Vo is greater than Vc a positive input pulse generates a negative output pulse.
Patent GB-1107774-A (GB)
Title: Improvements in or relating to anodizing apparatus
IPC: C25D17/00
Filed: 1965-07-30
Abstract: <PICT:1107774/C6-C7/1> <PICT:1107774/C6-C7/2> Apparatus for anodizing metal articles comprises an endless metal belt conveyer passing into and out of an anodizing electrolyte in an open-top tank, the anode connection being made to the belt which is immune to action by the electrolyte, belt guiding means being provided both inside and outside the tank and directing the belt through article loading and discharge stations.  As shown, an endless belt 20 of titanium or zirconium passes over rollers 52, 52' within tanks, driving and belt-tensioning rollers 45 between tanks and flanking the tanks, and idler rollers 37 outside the tanks.  The belt is driven by a chain passing over sprockets 50, 50' by a motor 62 which chain-drives a sprocket 50".  Aluminium articles such as cups 1 are supported on the belt by metal spring fingers 33 on resilient carrier strips which are detachably secured by clips to the belt and pass successively through a silicate-free cleaner bath 4, a water rinse tank 5, sulphuric acid anodizing tanks 6, 6a, a water rinse tank 8, a nickel acetate sealing tank 10, and a drying chamber 12.  The rollers 45, 52, 52' are made of stainless steel, at least the belt-contacting parts of rollers 45, 52 being coated with an insulating layer, e.g. of PTFE, while uncoated rollers 52' serve as anode connection contact rollers for the anodizing tanks. The roller assembly for each tank is carried by plates 84 of stainless steel coated with an insulating layer, the plates being releasably bolted by wings at their upper ends to vertical flanges within which the drive rollers 45 are vertically adjustable (see Fig. 5 not shown).  The cathode connection is made directly to the tanks 6, 6a and the mountings for rollers 50' are insulated from the tanks.  The ends of the contact rollers 52' are coated with rubber to avoid corrosion by dripping acid. Stripping fingers 158 removes the articles from the belt at the discharge station.
Patent GB-1159365-A (GB)
Title: Optical Measuring Arrangements
IPC: G01D5/347
Filed: 1966-07-20
Abstract: 1,159,365. Photo-electric position finding. ERNST LEITZ G. m. b. H. July 20, 1966 [July 24, 1965], No.32697/66. Heading G1A. [Also in Division H4D] The position of an object moveable along two orthogonal axes is determined by scanning the object with a light spot, photo-electrically receiving light reflected off or transmitted by the object and frequency analysing the photo-electric signal to derive the object's position along each axis. In one arrangement Fig. 1 a lamp 101 illuminates a plate containing an aperture 106 oscillating at frequency f 0  and an image of the aperture is projected as a light spot upon a scale 110. Light from the scanning light spot is reflected back through the pupil 108 of the optical apparatus to a photo-cell 136 oscillating at a frequency f 1 . Frequency components f 1  and (2n + 1)f 0  of the photo-cell output are applied to respective phase sensitive rectifiers 143, 144 fed also with square waves of frequencies f 1  and (2n + 1) f 0  respectively. The outputs of rectifiers 143, 144 are indicative of position of the scale 110 in Z and X directions and control the object's position via servomotors 151, 152. The photo-cell may alternatively be fixed and employ a scanning aperture. In another arrangement Fig. 2 (not shown) scanning light is transmitted through a scale and is divided between two fixed photo-cells. The basic scanning frequency and an odd harmonic thereof are extracted from the difference and sum of the two photo-cell outputs respectively, and after synchronous rectification are indicative of the scale's position along Z and X directions. In a similar arrangement, the radius and sphericity of a rotating sphere are determined Fig. 3 (not shown).
Patent GB-746179-A (GB)
Title: Improved method of and apparatus for coating articles with plastic substances
Inventor: BROOKS LAURENCE FRANK ELISHA
IPC: H01B13/06
Filed: 1952-12-24
Abstract: Metal articles such as wire baskets to be coated with thermoplastic material such as polythene are exposed in a heated condition to a gaseous dispersion of solid particles of the thermoplastic material while a high voltage electrostatic field is set up over the surface of the article so that particles of the thermoplastic material are attracted to the article and become fused thereon.
Patent GB-322861-A (GB)
Title: Improvements in or relating to apparatus for launching aircraft
IPC: B64F1/06
Filed: 1928-11-09
Abstract: 322,861. Forbes, W. A. D. Nov, 9, 1928. Launching ways.-A launching device for aircraft comprises a trolly propelled through rope and sheave gear from a prime mover along a track which can be increased in length by one or more extending portions, the increased travel of the trolly being obtained without having to accaelerate and retard any masses other than the aircraft, trolly and interconnecting rope and sheave gear. The apparatus comprises a frame which may be fixed, or mounted on a central pivot and rails 6 to which it can be clamped in any position to suit the direction of the wind. Two sliding extensions 3 are provided to lengthen the run of a trolly 11. These may be moved together or separately by electromotors, or by a hand winch actuating cable drums 20, or by temporarily securing the trolly to each extension in turn and utilizing the prime mover. They are secured in their extended positions by bolts 22, Fig. VII. A cylinder 8 on the main frame has a piston connected to a crosshead 24 carrying a number of sheaves. A cable 12 anchored to the frame at 15a is passed around two of the cross head sheaves 16a, 16b, and around two sheaves 17a, 17<a1> on the frame as shown in Fig. V ; the cable then passes over two sheaves 18a, 19<a> on the forward extension 3 and is connected to a balance pulley 14 or lever on the trolly which is connected to a duplicate cable passed around a similar set of sheaves. A similar pair of cables 13 passed around pulleys 19<b>, 18<b> on the rear extension and around pulleys 17b, 17<b1>, and 16b, 16<b1> on the frame and crosshead respectively act as retarding cables at the end of the run. The piston is moved by hydraulic or pneumatic means or by exploding a propellent such as cordite and is retarded at the end of its stroke by expelling fluid through a restricted passage into a reservoir 10. The pulleys 18<a>, 19<a>, 18<b>, 19<b> enable the trolly to be moved irrespective of the position of the extensions 3, and vice versa without affecting the lengths of the cables 12, 13. The trolly has two sets of wheels 23, Fig. VII, one set running in rails 2 on the main frame, and the other in rails 4 on the extensions 3.
Patent GB-810277-A (GB)
Title: Liquid shortening
IPC: A23D9/013
Filed: 1956-10-26
Abstract: A liquid shortening consists of a liquid glyceride vehicle, and in suspension 2-10 per cent. of fine solids, the solids including 1-25 per cent, of a solid "high ratio" emulsifier the balance of solids consisting of saturated glycerides at least 80 per cent. of which are in the beta phase, the solids content of the shortening at 100 DEG F. not increasing by more than 20 per cent. when cooled to 60 DEG F., at which temperature the shortening is pourable.  The "high ratio" emulsifiers are defined and include mono- and di-glycerides, free fatty acids from edible oil, polyethylene oxide esters of fatty acids, fatty acid partial esters of polyglycerol, of sugar alcohols, of dehydrated sugar alcohols and tartaric esters of fatty acids.  The liquid vehicle, and the solids other than the emulsifier are as in Specification 810,278. Specifications 574,807, 660,610, 660,611 and 780,135 also are referred to.