baber/WOPTO huggingface dataset:
Patent GB-554129-A (GB)
Title: Improvements in the concentration of ores
IPC: B03D3/06
Filed: 1941-12-13
Abstract: 554,129. Concentrating ores. KNAPP & BATES, Ltd., and KNAPP, E. A. Dec. 13, 1941, No. 16108. [Class 82 (ii)] - In a process for concentrating cassiterite, the latter is flocculated in a slightly alkaline, neutral or slightly acid water pulp of the ground ore either by the addition of an anionic-active reagent, (not including ordinary soap) and an unsaponifiable oil or by the addition of a cationic active reagent and oil and leaving the cassiterite particles dispersed, followed by agitation with or without the addition of air and concentrating in or on a gravity concentrating device. The treatment may also be applied to the treatment of wolfram or mixed wolfram-cassiterite ores to produce a mixed concentrate. With the addition of a collector reagent used for the flotation of sulphide the process may also be applied to the treatment of tin or tin-wolfram ores containing sulphides. Examples of anionic-active agents are the products sold under the Registered Trade Marks, "Sapamin" F.L, "Albatex" P.O, "Igepon," "Ultravon" and "Gardinol" and of cationic-active agents pyridinium salts having a long-chain fatty substituent, e.g. cetyl pyridinium bromide or tetra substituted ammonium salts such as cetyl trimethyl ammonium bromide.
Patent GB-1032893-A (GB)
Title: Stereoscopic pictures and methods for their production
IPC: G03B35/24
Filed: 1963-04-24
Abstract: 1,032,893. Stereograms. EASTMAN KODAK CO. April 24, 1963 [April 24, 1962], No.16108/63. Heading G2J. A stereoscopic picture comprises a support carrying a reproduction of a composite image containing strips of detail from at least two views of a subject, and a transparent layer having means to determine the direction from which each part of the image layer may be seen the image consisting of a line half-tone component of which the lines cross the strips so that the differences between adjacent strips are reproduced as variations in width of the half-tone lines. As shown, the image strips are formed on a support 2 which has a transparent viewing layer 3 with lenticules 4. Light from an image strip A is collimated by the lenticule which appears to be filled with the image of A when viewed from the direction of the collimated beam. Similarly the lenticule appears filled with the image of a second strip B when viewed from the direction of the arrow leading from B. Very narrow image strips may be formed to allow ten or more views of the subject even when the slit spacing is 0. 02 inch. Colour or black and white film may be used in preparing the image.
Patent GB-161758-A (GB)
Abstract: 161,758. Watson, E. A., and C.L.I. Manufacturing Co., Ltd. Feb. 5, 1920. Magneto-electric machines. - In a combined lighting and ignition generator for motor vehicles &c. having a shuttle armature, two collecting segments are provided which in conjunction with three brushes and a short-circuiting device, allow alternate current impulses to be used for charging a storage battery and for exciting a separate ignition coil. Fig. 1 shows a magneto, the armature coil of which is connected to the segments c, d insulated from the dummy segments e. Brushes f, g, h are connected as shown to the ignition-coil primary k, the battery i, the short-circuiting device j, and the condenser n, the short-circuiting device being operated by a cam l mounted on the armature shaft.
Patent GB-476634-A (GB)
Title: Improvements relating to the breaking off of the ends of flax or other fibres in hackling machines
IPC: D01B1/22
Filed: 1936-06-10
Abstract: 476,634. Breaking-off the ends of flax in heckling - machines. CHAPMAN, J. W., and WILSON, A. June 10, 1936, Nos. 16194/36 and 14343/37. [Class 120 (i)] In a heckling-machine the ends of flax or other fibres are trimmed or broken off automatically by apparatus comprising relatively stationary fibre-gripping devices each incorporating at least one fibre-gripping roller, the fibres being broken by the relative rotation of the rollers. Two pairs of rollers 1, 1a 4, 4a, Fig. 2, are provided, the upper set 1, 1a revolving in synchronism with the descending and ascending fibre and the lower set 4, 4a revolving continuously downwards. The rubber-covered, grooved or fluted rollers 1, 1a and the fluted rollers 4, 4a are respectively pressed together by springs 6, 7. Adjustably mounted pinned doffing rollers 12, 13 with an associated stripping knife 15 are mounted below the rollers 4, 4a while the frames 3, 3a on which the pairs of rollers are mounted are adjustably slidable on end frames 16, 16a by means of screws 17. An entrance guide 24 and a conveyer 25 to receive-the broken ends of fibre are also provided and pressure between the rollers 1, 1a is relieved when the channel is ascending by links 26, Fig. 3, connected to levers 27 and operated by cams 29. The breaking device is driven by a chain 33, Fig. 4, from a sprocket on the main shaft, the chain 33 passing over a sprocket 34 on the spindle 4c of the roller 4a which drives the other roller 4. A spring-controlled member is provided to take up slack in the chain 33 if the breaking device is raised. The knife 15 is oscillated by a crank 39 driven from a gear-wheel 35 on the spindle 4c while the rollers 1, 1a are geared together and the roller 1a driven by a chain 41 from a sprocket 42 oscillated through a pinion 43 by a toothed quadrant 44, the lever 46 of which is connected by a link to the usual channel raising and lowering member. The conveyer 25 is actuated by a pawl 51a mounted on a crank arm 51 connected by a link 50 to the quadrant 44 and the doffing rollers 12, 13 and cam-shaft 30 are driven by gearing 53 ... 58, Fig. 7, from the spindle 4c. In operation, when a holder in the channel of the machine comes over the breaking device the channel descends and the lever 46 moves upwards. This moves the quadrant 44 downwardly and rotates the rollers 1, 1a inwards towards each other. The lower rollers 4, 4a and doffing rollers 12, 13 revolve continuously inwards towards each other and the ends of the flax are therefore passed downwards by the series of rollers. At its downward limit the channel stops, the rollers 1, la also stop and the rollers 4, 4a continuing to rotate break off the ends. When the channel rises the rollers 1, 1a reverse to feed the flax upwards and pressure between them is released.
Patent GB-151722-A (GB)
Title: Improvements in or relating to continuous and intermittent ovens
IPC: F27B9/30
Filed: 1919-06-27
Abstract: 151,722. Dressler Tunnel Ovens, Ltd., and Williamson, J. June 27, 1919. Kilns.-In a kiln of the kind in which combustion or heating chambers are arranged longitudinally within, but out of communication with the kiln chamber, the combustion chambers are formed as heat accumulators, and the arrangement is such that, after an accumulator has been heated up, it can be put into direct communication with the kiln chamber. As shown applied to a tunnel kiln, the brick-filled accumulators p are arranged one on each side of the passage-way b for the goods, and each has communication with a source of gas supply and with an exhaust flue. Preferably' two gas-producers c are provided and these are connected through a common damper-controlled flue and a reversing-device with burner ports a, into which air from the kiln chamber can be drawn by hot air injectors k. Each heat accumulator is spaced from the floor and side walls of the structure and has damper-controlled openings p<1> at top and bottom. Connexion with the exhaust flue is effected through a heating-chamber g, a range of pipes r, a header and upcasts t, and a reversing-device. In operation, at starting, the openings p<1> are closed, and the reversing-devices are adjusted so that both accumulators are in communication with the gas supply and the exhaust flue. During the period, the goods are heated by circulation of hot air from the kiln chamber around the heat accumulators p, chambers q, and amongst the pipes r. When the accumulators are sufficiently hot the reversing-devices are adjusted so that one of them is cut off from the gas supply and the flue, the whole of the gas passing to the otber accumulator. The interior of the first accumulator is then put into communication with the kiln chamber by the openings p<1>, and a circulation of air takes place through the goods and the heated brickwork of the accumulator. When the temperatures of the brickwork and the kiln chamber has been approximately equalised, the openings p<1> are closed and the reversing-devices are returned for a short time to the intermediate position, gas being supplied to the accumulators, after which the reversal is completed. When the goods are to be salt glazed the salt is supplied to and volatilized within the accumulator in communication with the kiln chamber. When a reducing atmosphere is required for the goods, producer gas may be admitted through the accumulator in communication with the kiln chamber.
Patent GB-342628-A (GB)
Title: Improvements relating to the spindles of spinning, twisting and winding frames
IPC: D01H7/04
Filed: 1930-05-27
Abstract: 342,628. Bearings. HOWARD & BULLOUGH, Ltd. and WALSH, J., Globe Works, Accrington. May 27, 1930, No. 16254. [Class 12 (i).] A bearing for the spindles of spinning, twisting and winding frames of the type described in Specification 19871/12, [Class 12 (i), Bearings &c.], has a ring-like member 9 positioned between the hoop spring 6 and the bearing 2. Alternatively or in addition a ring 9 may be used between spring 6 and the inner face of the wall of the bolster 3. In a modification ring-like members 9, 11, Fig. 8, and hoop springs 6, 10, are arranged alternately between the bearing and bolster. The rings 9, 11 may be split. The hoop spring 6 has a tag 7 the end of which engages a groove 8 in the bearing tube 2 and the central portion of which spring- ingly engages the bolster 3. The ring 9 may be flattened at the points of contact with the hoop spring 6.
Patent GB-457346-A (GB)
Title: Improvements relating to electrical plug and socket connections
IPC: H01R13/652
Filed: 1935-06-05
Abstract: 457,346. Plug-and-socket couplings. PARSONS, Ltd., C. H., and HANDLEY, G. B., Wharfdale Road, Tyseley, Birmingham. June 5, 1935, No. 16286. [Class 38 (i)] In a socket member for receiving a plug provided with an earthing pin, the earthing strip and the earthing socket are formed separately. In a construction embodying also a switch, the earthing strip a is formed with eyes b, c, d and an aperture e to pass freely round the socket f. The eye b is formed in a portion of the strip at right angles to the main strip, and lies over a hole g in the base h for receiving a clamping screw of the bridge supporting the switch lever. The eye c is intended to receive the screwed tube of the terminal and binding post j. The eye d receives the screw for clamping the earthing strip to the wall box. The middle part is formed as an enlarged square having an aperture e bridging the recess in the base for receiving the earth pin socket. This socket f is formed with an eye m and two bars n supporting the socket. The top of the socket is outwardly flanged and formed with pips q for locating a spring o. The eye m is engaged by a nut t which holds the binding post j. The thrust of the earthing pin during insertion is taken by a step u on the base supporting the bars n.
Patent GB-917207-A (GB)
Title: Spring cushion construction
Inventor: JR RUSSELL GEORGE HEYL
IPC: A47C7/40
Filed: 1961-05-05
Abstract: 917,207. Spring upholstery. AMERICAN METAL PRODUCTS CO. May 5, 1961, No. 16345/61. Class 52 (4). A spring cushion assembly has sinuous spring strips 25 mounted on a frame 20 and intermediate springs 32, 33 with load bearing straight sections 34 supported cantilever fashion by arms 35. In a modification, Fig. 5, spring elements 51 support an insulator 71 comprising a paper or cloth body 72 having hardened wires 73 laced therethrough. Additional wire springs 74 may be connected to elements 51 (Fig. 12). In a further modification, Fig. 14, the spring has an arm 82 with an offset portion 83 spaced from a laterally extending portion which pivots in an opening in a struck-up portion 85 of the frame, a block of rubber secured to the frame being engaged by portion 83. In other embodiments springs 51 are sinuous.
Patent GB-219006-A (GB)
Title: Device for the production of metal buttons by means of eccentric presses
IPC: B21D53/48
Filed: 1924-07-08
Abstract: 219,006. Isringhaus, H. July 9, 1923, [Convention date]. Buttons.-In a device for use in an existing eccentric press, for making buttons by stamping blanks from two strips of metal and flanging one over the other, each strip 1, 2 is fed by two pairs of rollers 26, 28 and 27, 29, respectively, driven by the toothed gearing shown. Each roller 28 is of greater diameter than roller 29 carried by the same shaft 19 so that the strip 1 for the larger blanks is fed more rapidly. The shafts 19 rotate in brackets 18 fixed to the bed 11 of the press but the shafts 20, 21 of the rollers 26, 27 are carried by levers 22 and can be lifted, against the action of springs 23, by levers 24 to stop the feed, e.g. when the press or its ram is stopped. The outer ram of the press actuates tools 7, 8 for forming the button parts and the cutter 7<a> for cutting out the top part while the inner ram actuates a punch 7<b>, which forces the top bottom part and pushes it into a recess in the table 5, the last punch 8, which cuts out the bottom part and pushes it into a recess in the table 5 already occupied by a top part, and a tool 9, which secures the button parts together. Spring rings 15 and stationary bolts 16 are arranged in the recesses in the table which is intermittently rotated by a pawl 13 in known manner.
Patent GB-559289-A (GB)
Title: Improvements relating to frequency modulation
IPC: H03C3/24
Filed: 1942-11-20
Abstract: 559,289. Frequency modulation. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Nov. 20, 1942, No. 16469. Convention date, Nov. 21, 1941. [Classes 40 (iii) and 40 (v)] An oscillator of the back-coupled resistance. capacity type is modulated in frequency b) providing a pair of auxiliary valves 23, 24 in series relation across a constant voltage source B, the grid of one valve 24 being connected tc an intermediate point of the source while the other valve 23 functions as a variable resistance in the back-coupling network. The oscillator valve 10 has a resistance-capacity network 19a ..., 21a ... connected between its anode 16 and its control grid 12, and the oscillations developed are at such a frequency that the anode and grid are in phase opposition. One of the shunt resistances 21c includes the anode-cathode path of the valve 23, the grid of which is connected to the signal source. The valve 23 acts as a cathode impedance to the valve 24, so that although the impedance of valve 23 changes, there is substantially no change in its anode voltage, with the result that the amplitude of the oscillation generated does not vary. In a modification, Fig. 2 (not shown), a cathode follower valve is interposed between the valve 10 and the resistance-capacity network. More than one of the resistances 21b ... 21e may include series modulating valves. The signal voltage may comprise speech or music, or it may comprise positive and negative pulses representing black and white in a picture telegraphy system.
Patent GB-1503913-A (GB)
Title: Package construction
IPC: B65D75/58
Filed: 1975-04-14
Abstract: 1503913 Packages MARDON FLEXIBLE PACKAGING Ltd 14 April 1975 [16 April 1974] 16537/74 Heading B8C [Also in Division B5] A package includes a laminated flexible web 12, wherein an outer impermeable ply 13 is peelably adhesively bonded to an inner perforated or foraminous ply 14, peripherally and non-releasably sealed at 50 (preferably by heat but possibly by adhesive or ultrasonics) to an impermeable flexible web 16 to form a package in which ply 13 can be removed for exposure of the contents 20 to the surroundings. The web 16 may be a laminated web, and may be of the same construction as web 12, e.g. being a folded-over portion thereof, If the ply 14 is of oriented material a heat-seal at 50 renders the ply brittle so that it is broken as shown in Fig. 2b when edge 21 is pulled. The ply 13 may be one or more of paper, aluminium foil, cellulose, nylon, polypropylene, polyethylene or polyester, and the ply 14 may be non-woven polyethylene or polypropylene net, extruded plastics net, foraminous or perforated plastics or cellulose film, or spun-bonded polyolefin. The plies may be bonded by ethylene and vinyl acetate polymers and copolymers, ionomers or waxes. An exemplified laminate is polyethylene terephthalate film - polyurethane adhesive - aluminium foil - ionomer primer and adhesive-polyethylene net. Specified applications: dessicants, air fresheners, deodorants, infusion bags, pesticides, controlled-release chemicals, foods, cleaners.
Patent GB-143745-A (GB)
Title: Improvements in exhaust pipes for internal combustion engines particularly applicable to engines carried on aircraft
IPC: F01N13/10
Filed: 1919-07-02
Abstract: 143,745. Boulton & Paul, and North, J. D. July 2, 1919. Cylinders, pipes for, exhaust-silencers.-The exhaust pipe of multicylinder engines is divided into segments 5 each of which is bolted to a cylinder and is joined to neighbours by a spigot and faucet joint 9, which may have a ring of asbestos packing. The pipes are preferably made of aluminium and elliptical in transverse section; they have cooling-fins 8 and are thicker at the point 19 to resist the action of, and direct the gases. A pipe with a closed end and longitudinal slots is secured to the last pipe to silence the exhaust.
Patent GB-618783-A (GB)
Title: Improvements in shades for electric lamps
IPC: F21V1/00
Filed: 1946-06-01
Abstract: 618,783. Lamp shades. EDWARDS (WOLVERHAMPTON), Ltd., J., and WALTERS, R. F. June 1, 1946, No. 16688. [Class 75 (ii)] An electric lamp shade is built up from a number of honeycomb frames A, B, each comprising glass panels 1 jointed together by grooved lead strips 2, by soldering together the beading strips of one frame to the beading strips of another frame to form a hollow body.
Patent GB-409916-A (GB)
Title: Improvements in or relating to the treatment of pile fabrics
IPC: D06M13/188
Filed: 1933-06-12
Abstract: In the treatment of fabrics having a pile consisting of or containing organic derivatives of cellulose with hot aqueous liquids, as in dyeing, scouring and degumming operations, damage to the pile is minimized by effecting the treatment in the presence of a substantially neutral substance, e.g. a readily ionisable salt or a sugar capable of exerting osmotic pressure but having no substantial swelling action on the cellulose derivatives.  The salt used may be, for example, a substantially neutral sulphate, chloride, nitrate, chromate or acetate of sodium, potassium, magnesium, ammonium or aluminium and the sugar may be, for example, cane sugar.  The concentration of the substantially neutral substance is suitably 0.5--10 per cent.  The pile may be, for example, of cellulose acetate, formate, propionate or butyrate or of ethyl-, methyl-, or benzyl-cellulose and the fabric may contain also other fibres, e.g. of silk, cotton, regenerated cellulose or wool.  The process is particularly advantageous in the degumming in a hot alkaline soap bath of a fabric having a pile made of or containing an organic ester of cellulose and containing natural silk in the pile or in the backing or in both.  Saponification of the cellulose ester is avoided by adjusting the alkalinity to a pH value of not more than about 10--10.5 by means of sodium or potassium hydroxide or carbonate or, more suitably, by means of less strongly alkaline salts, e.g. di- or tri-sodium or potassium phosphates or borax. In an example a velvet fabric having a cellulose acetate pile and a natural silk backing is degummed by treatment for 1\ba1/2\be--2\ba1/2\be hours in a bath at about 95 DEG  C. containing olive oil soap, disodium phosphate and sodium sulphate. Specifications 246,879, 259,266, and 260,312, [all in Class 2 (ii)], are referred to.
Patent GB-451926-A (GB)
Title: Improvements in charging hole shutters for coke ovens, retorts and the like
IPC: C10B25/24
Filed: 1936-06-16
Abstract: 451,926. Charging - hole covers for coke ovens or retorts. LIMBERG, J., 51, Reginenstrasse, Essen, Germany. June 16, 1936, No. 16732. [Class 55 (i)] A charging-hole shut ter for a coke oven or retort consists of two superposed covers 2, 3 shaped in spherical seg ments and supported by the machined face of a frame 1, with their concave surfaces facing one another, and spaced apart at the centre by at least ¥ of the height of the charging hole frame 1. To prevent distortion, a wrought iron ring 6 is cast into the lower cover 3 which is provided with projections 4 in which a handle 9 is embedded.
Patent GB-879299-A (GB)
Title: Improvements relating to pneumatic vehicle-suspension arrangements
IPC: B60G17/052
Filed: 1959-05-15
Abstract: 879,299. Adjusting body height. DAIMLERBENZ A.G. May 15, 1959 [May 24, 1958], No. 16774/59. Class 108(2). In a pneumatic suspension system, the pneumatic springs are connected by conduits to a reservoir which is replenished by a compressor through a non-return valve. Level regulators are included in the lines between the springs and the reservoir, the discharge side of each of the level regulators being connected to a common relief valve. This relief valve is adjusted to allow air to escape to atmosphere at a pressure corresponding to that exerted by the vehicle when unloaded. Alternatively, each regulator valve may have an individual relief valve. Such a regulator is operated by an arm 11 and an adjusting member 12 which moves a regulating piston 13. A spring loaded disc 15 constitutes the relief valve. If the piston 13 is moved to the right, air from a spring can act on the relief valve 15 through a port 18 and a bore 19 in the piston. If the pressure in the spring is higher than the pressure exerted by the unloaded vehicle body, air escapes to atmosphere from the spring 40 through the valve 15 and a filter 20. When the piston 13 is moved to the left, a disc valve 17 is opened to allow air to pass through an inlet port 16 and out through a port 18 to the springs. Reference has been directed by the Comptroller to Specification 824,150.
Patent GB-1093512-A (GB)
Title: Glass doors or panels
Inventor: HERBERT KENNETH
IPC: E05D15/00
Filed: 1964-04-23
Abstract: 1,093,512. Hinges and pivots; glass doors. TONKS (BIRMINGHAM) Ltd. April 14, 1965 [April 23, 1964], No. 16812/64. Headings E1J and E2F. A patch fitting for a glass door or panel has two parts, e.g. 12, secured together by screws 14, 19 to clamp the glass there between. The glass has an arcuate recess 15, engaged by a corresponding surface 16 on the fitting, and a hole 17, intersecting recess 15, for screw 19. The two parts each have a rectangular flange (shown in dotted lines) to clamp the glass and may be provided with either a pivot or a lock in space 11. Cover plates 22 on either side of the door engage in grooves in the fittings to cover the fittings and extend along the edge of the door, as described and claimed in Specification 1,093,513.