baber/WOPTO huggingface dataset:
Patent GB-481252-A (GB)
Title: Improvements in aluminium foil printing plates and apparatus for the coating thereof
IPC: B41N1/08
Filed: 1937-07-19
Abstract: 481,252. Electrolytic surface treatment of metals. WOLFF, H. July 19, 1937, , Nos. 19923 and 19924. Convention dates, July 20, 1936 and Sept. 7, 1936. [Class 41] [Also in Group XVI] A foil of aluminium or aluminium alloy for use as a printing-surface has both its surfaces treated to render them capable of retaining water. This treatment is effected by electrolytic means by suspending a large number of foils a in a bath 1 containing a weak electrolyte, preferably comprising a mixture of oxalic and lactic acids, and the maximum strength of the bath being not more than ¢ per cent acid. The bath is provided with conductor bars 2, 3 supplied with alternating current, and conductor bars 4, 5 connected to the positive terminal of a direct current supply. Lead electrodes 6, 7 are connected to the negative terminal of the direct current supply. A perforated plate 8 is positioned below the foils, and compressed air is introduced into the space below the plate to remove gas bubbles formed in the bath during operation. If a cover is provided for the bath, a vent hole 11 ' allows the compressed air to escape. The foils are suspended from the bars 2, 3 and 4, 5 by rubber clamps 13 having springs incorporated therewith, and each clamp is provided at one side with contact plates 14, 15. The clamps are alternately arranged so that in the first one, for example, the contacts 14, 15 engage the A.C. bar 2 and D.C. bar 4, in the next one the contacts engage the A.C. bar 3 and D.C. bar 5, and so on. Contact strips 16, 17 on each clamp engage the foil a, and are connected by wires to the contacts 14, 15 respectively. If desired, the direct current bars 4, 5 and the electrodes 6, 7 may be omitted, and the bath may then be open at the top. Each foil where fully prepared for printing may have secured thereto one or two protecting sheets of paper &c.
Patent GB-600037-A (GB)
Title: Method of making interchangeable printing plates for cylinders for intaglio printing
IPC: B41N1/20
Filed: 1945-08-03
Abstract: 600,037. Printing-surfaces. HASSING, O. S. Aug. 3, 1945, No. 19988. Convention date, Aug. 17, 1943. [Class 100 (ii) ] Interchangeable intaglio or other printing-plates 3 are secured to printing- cylinders by means of bent edges 4 which are clamped to a dovetail groove in the cylinder by means of wedge or prismatic members 6, 7, 8, and according to the invention the joint of the abutting edges of the plate is smoothed by the action of rolls, burnishers, hammers, guides, or cutters. In a modification a thin printing-plate is used in conjunction with a backing carrying-plate made of thin steel.
Patent GB-516774-A (GB)
Title: Improvements in or relating to liquid level indicators for engine cooling systems
IPC: G01F23/34
Filed: 1938-07-06
Abstract: 516,774. Indicating liquid-levels. ASSOCIATED EQUIPMENT CO., Ltd., RACKHAM, G. J., and McCALLUM, D. A. July 6, 1938, No. 20059. [Class 123 (i)] The radiator tank of a vehicle engine is closed by a cap 13 which carries a shield 33 wherein are placed discs 34, 35, through which a water level indicator rod 22 slides. The rod 22 carries a boss 23 and its movement is limited upwardly by the crown 29, and downwardly by the disc 34. The lower end of the rod rests upon the end 28 of a U-shaped member 26, the other end 27 of which is connected to the float 18 which is pivoted to the rear wall of the tank. The float is protected by a cylindrical guard 24, in which is placed an additional conical guard 38. The , indicator rod 22 may rest directly upon the float.
Patent GB-209690-A (GB)
Title: Improvements in casement stays
IPC: E05C17/18
Filed: 1923-08-07
Abstract: 209,690. Lourandos, P., and Dell, W. G. Aug. 7, 1923. Stays. - A perforated bar 1 engages a spring-pressed bolt 12 in a swivelling guide 7 on the window frame 8, the bolt being disengaged to release the bar by means of a detachable key member 16 movable in an axial direction of the plunger. The end 11 of the bolt is screw-threaded so that the key member 16 formed as a nut may be detachable secured to it. In a modification, the spring 13 is arranged under the other end of the bolt.
Patent GB-243783-A (GB)
Title: Improvements in and relating to the wireless transmission and reception of photographs
IPC: H04N1/036
Filed: 1924-08-27
Abstract: 243,783. Diamant, N. Aug. 27, 1924. Copying - telegraphs; synchronous movements.-The rotary and axial movements of, or relative to, the picturecarrying drum at the transmitting or receiving station are effected bv a phonic motor at that station controlled by a tuning fork. The drum 15, Fig. 1, is rotated by a phonic wheel 14 of which the driving magnets 13 are energized by impulses produced by interrupting the circuit of a battery 12 by a commutator 9 on the shaft of a phonic wheel 7 driven under control of the fork 1. The axial movement of the drum is derived from a third phonic wheel such as 19, Fig. 2, controlled by a second commutator on the shaft of the wheel 7. Fig. 2 shows a receiving apparatus in which the drum 16 is carried by the shaft of the wheel 14, and a lamp 27, to which the amplified received current is supplied, is moved axially within the drum by the rotation of a screwed spindle 22 through bevel gearing 21 from the wheel 19. A bracket 25 carrying the lamp is adjustable vertically by a screw 26 in relation to a slide 24 carrying a threaded block 23 engaging the thread on the spindle 22. Alternatively, the lamp may be stationary and the drum 16 be subjected to rotary and axial movements by mounting it with its phonic wheel 14 on a threaded shaft. Or the received current may be supplied to an oscillograph controlling the amount of light incident on the drum from a lamp of constant intensity. In such an arrangement the drum may be moved axially by one phonic wheel and the light, directed axially into the drum, be reflected on to the inner surface of the drum by a prism rotated by a second phonic wheel. A jointless sensitized film is used and is placed in some cases outside and in others inside the drum. The lamp 27, Fig. 2, may be one in which mercury is vaporized from a bath 52 in connection with a filament 51 in a battery circuit, and in which the amplified received current, supplied to electrodes 53, 54, varies the intensity of the light produced. Figs. 7 and 9 show other constructions of lampwhich may be used inside or outside the drum. The lamp shown in Fig. 7 is provided with cathodes 43, 44, to which the received current is supplied, and an anode 45 connected as shown with a transformer coil 46, resistance 47, battery 48, and choke coils 49. In the lamp shown in Fig. 9, a discharge is produced between electrodes 56, 57 to which the received current is supplied. According to the Provisional Specification, the driving mechanism may include a clock escapement with magnets energized alternately from the fork or from the commutator.
Patent GB-505531-A (GB)
Title: Improvements in or relating to electric heating resistors of bar form
IPC: H05B3/14
Filed: 1938-07-08
Abstract: 505,531. Electric heating-resistances. SIEMENS-PLANIAWERKE AKT.-GES. FUR KOHLE-FABRIKATE. July 8, 1938, No. 20310. Convention date, Nov. 20, 1937. (Class 39 (iii)] The ends of a tubular silicon carbide heating resistance 1 are sealed by solid silicon carbide members 2 of good electrical conductivity. The element is of oval, elliptical, or circular cross-section and is made in one piece.
Patent GB-407239-A (GB)
Title: Car hoisting device
IPC: B66F5/02
Filed: 1933-07-19
Abstract: 407,239. Lifting jacks. LEUZINGER, W., Siebnen, Schwyz, Switzerland. July 19, 1933, No. 20345. [Class 78 (iii).] The jack comprises a frame c with two side walls a forming ramps along which a crossbar l is moved, for example, by a hand-wheel i, ratchet mechanism, and a screwed-spindle h. The crossbar l engages lifting levers p pivoted on the frame at r. The crossbar engages the levers p immediately behind the crutches and it may be provided with rollers m, n mounted independently on ball-bearings. The crutches may be supported by links v parallel with the arms p. The arms p may be rigidly connected by a tube q. The cross-bar l may be actuated by a chain, or by oil-pressure.
Patent GB-565234-A (GB)
Title: Improvements in or relating to aircraft wings or the like
IPC: B64C3/00
Filed: 1942-02-03
Abstract: 565,234. Aircraft wings. BUDD MANUFACTURING CO., E. G. Feb. 3, 1942, No. 20354/43. Convention date, March 26, 1941. Divided out of 565,207. [Class 4] An aircraft wing structure comprises a skin blanket formed by a thin metal sheet and a number of parallel reinforcing elements 17 secured to the sheet in a span-wise direction, and a number of attaching elements 23, at one end of the skin blanket, disposed between adjacent reinforcing elements, each mounting element 23 having an end piece 26 for attachment to the air frame and spaced side portions 22 welded to the adjacent reinforcing elements. The skin blanket comprises a sheet 11 and the tubular reinforcing elements 17 have flat flanges 16 embraced by the sides of channelshaped elements 13 of the section shown. Adjacent the attaching end of the wing structure the tubular stringers are flattened and cupshaped attaching elements 23 have their side plates 22 welded thereto. Each element 23 has a base 24, shaped to fit over the tapered ends of ribs 35 in the channel elements 13, and a bent-up end 26 reinforced by a heavy gauge channel member 27 and provided with a hole for an attachment bolt.
Patent GB-1269204-A (GB)
Title: Pistons for hydraulic piston type pumps and motors
Inventor: RUBERY ALFRED MOFFATT
IPC: F01B3/00
Filed: 1968-04-30
Abstract: 1,269,204. Piston slipper. JOSEPH LUCAS (INDUSTRIES) Ltd. July 16, 1969 [April 30, 1968], No.20357/69. Heading F1A. In a rotating cylinder hydraulic pump or motor having pistons reciprocated by a cam surface, the piston slippers comprise a main portion 11 of e.g. cast iron and an insert 16 of e.g. lead-bronze located in a recess 15 in the main portion 11, and having a surface 21 for engaging the cam surface. A conical recess 17 in the surface 21 communicates at its apex, via a bore 13, 18, in the slipper and a bore 12 in the end of the piston 10, with the interior of the piston, providing lubrication of the surface 21. The outer edge of the conical recess 17 terminates in an annular step 19, the edge of which may be rounded. The insert 16 is secured to the main portion 11 by a layer of adhesive 22.
Patent GB-261096-A (GB)
Title: An improved pocket case for smokers' lighters or other articles
IPC: F23Q2/08
Filed: 1925-08-13
Abstract: 261,096. Wright, W. F. Aug. 13, 1925. No Patent granted (Sealing fee not paid). Pocket igniters, frictional.- The container 1 of a. pyrophoric lighter is carried by the part 3 of a two-part case, the other part 2 sliding on the part 3 to hold the hinged lid 5 in the closed position covering the lighter with a hood 16 on the lid engaging over the wick 15.
Patent GB-500524-A (GB)
Title: Improvements in or relating to radio direction finding systems
IPC: G01S3/08
Filed: 1938-07-11
Abstract: 500,524. Directive wireless signalling. LORENZ AKT.-GES., C. July 11, 1938, No. 20498. Convention date; July 10, 1937. [Class 40 (v)] Relates to spaced aerial systems of the Adcook type, particularly for short-waves where the size of the aerial is of the order of the working wavelength. In this case the variables condenser, such as C, inserted to balance the earth and aerial currents induced by horizontally-polarized waves is no longer fully effective, since the aerial reactance'is not then predominantly capacitive. It is accordingly supplemented by (a) a resistance R and (b) by the inductance of the coil L which couples the aerial A to the shielded feed-line F. The coil L may be divided into two parts, these being arranged either in shunt or in series with the resistance R.
Patent GB-1223761-A (GB)
Title: Exothermic catalytic reactions with thermosyphon flow of cooling medium
IPC: C07C45/38
Filed: 1968-05-01
Abstract: 1,223,761. Exothermic chemical reactions; temperature-control. REICHHOLD CHEMICALS Inc. 1 May, 1968 [14 June, 1967], No. 20553/68. Heading B1X. [Also in Division F4] Exothermic chemical reactions are carried out within catalyst-containing tubes 17 extending between headers 13, 14 and surrounded by a shell 11 which is supplied through inlet 20 with a liquid heat-transfer medium which boils as it removes heat from the reaction taking place within the tubes; the mixture of liquid-vapour heat-exchange medium flows through outlet pipe 21 into vessel 22, the vapour flows through pipe 23 to a condenser the cold condensate flows through pipe 25 to vessel 22 where it mixes with hot liquid heatexchange medium, and the mixture flows back to the shell of the reactor through pipe 24. The reactants are introduced into the tubes through inlet 15, and the products flow out through outlet 16. The rate of thermosyphon flow of heat transfer medium may be regulated by increasing or decreasing the liquid level in the reactor or vessel 22. By these means a favourable temperature profile along the catalyst beds is maintained. The reactor may be used for the production of formaldehyde by vapour phase oxidation of methanol.
Patent GB-884492-A (GB)
Title: Improvements in or relating to the heat treatment of yarns
Inventor: POWNALL LESLIE
IPC: D02G1/02
Filed: 1959-06-16
Abstract: 884,492. Spinning and finishing yarns. BRITISH NYLON SPINNERS Ltd. June 1, 1960 [June 16, 1959], No. 20601/59. Class 120(3) [Also in Group XI] Synthetic, e.g. nylon, yarn is wound on to a rotatable bobbin or flangeless tube which is driven by contact along its wound length with a roll the surface of which is heated to impart a required heat-treatment to the yarn by contact therewith as it approaches the roll and is wound thereby. The heat-treatment may be applied concurrently with winding, twisting, falsetwisting, crimping or overfeeding to permit controlled contraction of the yarn in order to modify its stretch and/or bulk properties prior to dyeing or knitting. In a twist-crimp process, yarn 1 drawn from supply by roll 3 passes through a heater 11 and belt(15)-driven twisttube 13 and is forwarded at a controlled (20%) overfeed by roller 7 to be wound into a package 23 (or a plurality thereof) by a heated winding roll 17 and reciprocating arm 19 and guide 21 of a traverse mechanism. The roll 17 may have a surface of electric resistance metal heated by passage of current therethrough or, as shown in Fig. 2, it is heated by a tubular, coiled resistance heater 41 connected to a supply through leads 43, brushes 45 and slip-rings 29.
Patent GB-1018335-A (GB)
Title: Improvements in or relating to the installation of bath tubs
IPC: A47K3/00
Filed: 1964-05-19
Abstract: 1,018,335. Baths. M. HALHUBER AHLMANN. May 19, 1964 [May 17, 1963], No. 20616/64. Heading A4N. A bath rim 2 has a rib 6, cast on its underside, to provide support for panels 14 covering the exposed side or sides of the bath. On the sides of the bath abutting a wall, hose 5 is provided with a surface sealing strip or is sealed in a channel formed in the wall (Figs. 1-3, not shown). A plastics sealing strip 12 is provided.
Patent GB-698887-A (GB)
Title: A new or improved apparatus for freeing tyres from wheel rims
Inventor: NEWMAN LESLIE CYRIL
IPC: B60C25/02
Filed: 1950-08-21
Abstract: 698,887. Pneumatic tyres. BROCKHOUSE & CO., Ltd., J. Aug. 20, 1951 [Aug. 21, 1950], No. 20680/50. Class 144 (i). An apparatus for freeing a tyre 23 from a wheel rim 12 comprises a carrier member in the form of a bar 1 or a spider anchored either at the rim or wheel centre by means 8, 9, a pusher element 29 being pivoted to one end of the carrier member to extend transversely thereto to contact the tyre bead and being movable transversely of the carrier member to drive between the tyre bead and the bead-retaining flange of the wheel rim. As shown a carrier bar 1 is formed with a longitudinal slot 6 to receive hook-end screw-threaded rods 8, 9 adjustable along the bar and provided with nuts 16, 16<SP>1</SP> to provide for anchorage of the bar across the wheel rim 12 either at the rim or wheel centre as shown in full and dotted lines respectively in Fig. 2. One end of the bar 1 has a cranked extension 24 to which is pivoted a transversely extending U-section pusher element 29 having a toe portion 35 for insertion between the tyre bead 34 and the bead-retaining flange of the rim 12. The pusher 29 encloses a rotatable captive screw-threaded bar 28 which co-operates with a nut 26 pivoted to the bar extension 24 for advance or retraction of the pusher 29. In operation the bar 1 is applied to a wheel rim with the pusher carrying end engaged under the peripheral rim flange 11 to prevent axial movement of th3 bar, and the pusher 29 advanced. As the tyre bead is eased from the rim flange 11 the pusher pivots to slide the pusher toe 35 between the bead and rim flange. Where necessary a U-shaped wedge 39 chained to the pusher is then inserted between the bead and the bead-retaining flange of the rim to allow withdrawal and repositioning of the pusher around the rim to complete separation of the bead and rim. In alternative arrangements the carrier bar 1 may comprise two or more telescopic sections with a pusher element at the end of each section. The pusher element may be pneumatically or hydraulically operated.
Patent GB-263207-A (GB)
Title: Improvements in magnetic materials
IPC: C22C19/05
Filed: 1925-08-18
Abstract: 263,207. Western Electric Co., Ltd., (Bell Telephone Laboratories, Inc.). Aug. 18, 1925. Drawings to Specification. Loaded cables.-A signalling conductor is loaded with a magnetic material which is heattreated. The heat-treatment may be completed on the conductor itself, which is afterwards impregnated with a pressure equalizing medium and insulated and armoured.
Patent GB-723781-A (GB)
Title: Improvements in and relating to axminster looms
IPC: D03D39/06
Filed: 1951-09-03
Abstract: 723,781. Tuft-yarn spool brakes. GOODWIN, F. J. Dec. 3, 1952 [Sept. 3, 1951], No. 20745/51. Class 142 (2). When a bobbir transfer arm 7 lowers a bobbin towards the warp, a lever 19 engaging the arm is moved and turns a rod 17 in its bearing 16, the end 18 of the rod pressing a flat spring brake 14 away from the bobbin flange 15. Specification 678,219 is referred to.
Patent GB-222623-A (GB)
Title: Improved means for releasing lifeboats from holding or supporting tackle
IPC: B63B23/58
Filed: 1923-08-15
Abstract: 222,623. Allbin, S. E. Aug. 15, 1923. Hooks, slip.-The hook engaging the ring on the lower fall block of a boat-releasing gear is pivoted at 36 to a channel-section member 27 screwed to a transom 12. The lower end of the channel member is enclosed and serves as a guide for a pin 42 which normally engages the tail 37 of the hook. The hooks at stem and stern are simultaneously released by swinging a lever 22 mounted on a fore-and-aft shaft 15 working in bearings 17, the shaft being provided with cranked ends 24 linked to the pin 42 by the rod 47. The hook is provided with a housing-lever (not shown) held in position by a removable pin.
Patent GB-1112882-A (GB)
Title: Casting steel ingots
Inventor: ARANT NORBERT ROBERT
IPC: B22C23/02
Filed: 1965-05-17
Abstract: A cast-iron or steel ingot mould is given a refractory insulating lining to retard the initial solidification of the metal (see Division B3). Refractories mentioned are; asbestos, diatomaceous earth, perlite, vermiculite and alumina bubbles.  As bonding materials: bentonite, cereal binder, china clay, core oil, corn flour, dextrin, ethyl (or methyl) cellulose, fire clay, gum arabic, ground resin, molasses, phenolic resin, urea formaldehyde, water glass and pitch are mentioned.  Other ingredients mentioned are: aluminium hydroxide, alumina, glutrin, ball clay, chamotte, chrome ore, dolomite, flint clay, forsterite, glass wool, graphite, kaolin, limestone, mineral wool, blast-furnace slag, open-hearth slag, magnesia, magnesite, rutile, silicates, silica, silicon carbide or zircon. The mixture, in a vehicle such as water, alcohol kerosene or ketone, is applied to the mould interior by brushing, spraying, dipping or swabbing to give a coating at least 0.02 to 0.25 inches thick according to the teeming period.  A lining is applied for each casting.
Patent GB-333026-A (GB)
Title: Improvements in leaf springs
IPC: F16F1/22
Filed: 1929-07-08
Abstract: 333,026. Bagnall, E. July 8, 1929. . Laminated springs for vehicles are provided with means of increasing the friction between the ends of the longer leaves consisting of an extension of one of the leaves and abutments on the extension adapted to engage other leaves. In the construction shown in Fig. 1, the extended end of the leaf 5 carries an adjustable abutment 9 which engages the second leaf 3 and increases the friction between it and the master leaf 2. The extension may be bent back and provided with a simple abutment as shown in Fig. 2 or with a strap 28 as shown in Fig. 4. The relation of the extension to the other leaves may be further modified.
Patent GB-1428485-A (GB)
Title: Radiator of thermoplastics material
IPC: F24D19/06
Filed: 1973-05-03
Abstract: 1428485 Space-heating radiators HOECHST AG 3 May 1973 [5 May 1972] 21030/73 Heading F4S A space-heating radiator made of a thermoplastics material comprises vertical water channels 2 extending between headers 1 in each of which at intervals along its length are moulded pockets 4 into some at least of which are inserted holding elements 6 and/or 9 for attaching the radiator to an adjacent wall 5, the pocket structures also acting as stiffening means and extending completely across the header section as shown in Fig. 3. The pocket structures may also be positioned and shaped to improve water distribution in the radiator. Such pocket structures may be positioned additionally in the vertical water channels 2. The pocket structures may as indicated include further pockets adapted for the mounting face plate 12. Webs 3 may extend between the tubes 2.
Patent GB-741133-A (GB)
Title: An improved gas expanded material and process for preparing the same
IPC: C08J9/06
Filed: 1952-08-21
Abstract: Expanded material is prepared by mixing with an organic plastic material, compounding and stabilizing ingredients and, as blowing agent, a mixture of urea hydrogen peroxide and a fatty acid, e.g. sebacic acid, and subjecting the mixture to heat and pressure. Polyvinyl chloride is the specified plastic and it is preferably used as a slurry or dough in toluene, acetone, or methyl ethyl ketone. Specified compounding ingredients are lead or calcium stearate, pigments, lead carbonate and tricresyl phosphate.  The blowing is preferably carried out at 50-60 DEG  C., followed by a rise to 150 DEG  C. to fuse the mixture.
Patent GB-623197-A (GB)
Title: Improvements relating to sound recording discs
IPC: C08J7/043
Filed: 1946-07-15
Abstract: A gramophone record blank comprises a base of a composition p comprising polyvinyl chloride on which a film of nitrocellulose is deposited from a solution containing a solvent for polyvinyl chloride.  The composition may comprise polyvinyl chloride, slate powder, litharge and dioctyl phthalate or tricresyl phosphate. The solvent may comprise acetone, butanol, methyl cyclohexanone and a substance known by the Registered Trade Mark "Cellosolve." The Provisional Specification states that cyclohexanone may be replaced by tetrahydrofuran.