baber/WOPTO huggingface dataset:
Patent GB-1335747-A (GB)
Title: Treatment of fibres
IPC: D21B1/06
Filed: 1971-04-19
Abstract: 1335747 Paper making EASTMAN KODAK CO 19 April 1971 [2 March 1970] 22691/71 Heading D2A [Also in Division B2] Apparatus for comminuting fibres for papermanufacture comprises a chopper 13, Fig. 1, to cut filaments 11 of e.g. synthetic resin to length, a fibre chest 15, a suction fan 19 which breaks apart the bundles of fibres from the chest, and a conduit 21 including one or more gas jets 25, 27 arranged to operate longitudinally in the direction of flow of the fibres from the chest. Comminuted fibres are discharged into a chamber 33, are sprayed with water from a nozzle 35 and are discharged into a chest 37 which may contain a slurry of e.g. cellulose pulp. In a modification the conduit 21' Fig. 2 has a readily-removable bag filter 41 to accumulate fibres and separate the air or other gas.
Patent GB-243292-A (GB)
Title: Improvements in children's cycles
IPC: B62K21/02
Filed: 1925-09-14
Abstract: 243,292. Radnall, E. A. Sept. 14, 1925. Forks; handle-bars.-In a children's cycle, the fork 1 consists of a length of solid or tubular material bent into an inverted-U form and secured at its upper part 2 to the flattened central part 5 of a handle-bar 3 by rivets 10 or other means. The handle-bar mav be strengthened by a liner 4, and secured between its flattened part 5 and the part 2 of the fork is a plate 6 provided with a lug 7, which forms a support for the fulcrum 8 of a brake lever 9. The lower part of the fork is provided with bridge or tie members, the lower of which has a forward extension forming a guide for the brake rod 13 and an abutment for the brake spring. The brake may be' of the type acting on the tyre of the wheel, or a rim brake may be employed.
Patent GB-433095-A (GB)
Title: Improvements in welding rod
IPC: B23K35/04
Filed: 1934-08-08
Abstract: 433,095. Uniting by fusion. OXWELD ACETYLENE CO., 30, East 42nd Street, New York, U.S.A. Aug. 8, 1934, No. 22992. Convention date, Aug. 10, 1933. Drawings to Specification. [Class 83 (iv)] A fusion welding rod or arc welding electrode consists of a stainless steel core having a thin inner coating of a metal of lower melting point than the core and of higher electrical conductivity than mild steel, e.g. copper or aluminium, and an outer coating of substantially solid and non-metallic flux of a nature which would be deleteriously affected by excessive heating. The inner coating thus prevents excessive heating of long stainless steel rods. The core may consist of steel containing 18 per cent of chromium together with 8 per cent of either nickel or manganese or both or may consist of steel containing more than 4 per cent of chromium. The inner coating may be applied by electroplating or by casting or extrusion with subsequent reduction and may be from 0À0005 to 0À01 of an inch thick. This coating is surrounded by a flux consisting of 50 parts of fluor spar, 40 parts of silica and 10 parts of sodium boro-silicate with a binder of casein glue.. The flux coating may be continuous or at intervals or may be applied in two strips at opposite sides so that the current may be conducted to the core in machine welding.
Patent GB-405213-A (GB)
Title: Improvements in mechanical time fuses for projectiles
IPC: F42C9/04
Filed: 1933-08-17
Abstract: 405,213. Projectile fuzes. SOC. ANON. A. JUNGHANS FABRICA D'OROLOGERIA, Venice, Italy. Aug. 17, 1933, No. 23034. Convention date, Sept. 1, 1932. [Class 9 (i).] Relates to clockwork fuzes in which a timing disc 2 co-operates with a lever 4, which bears against the circumference of the disc until at the appointed time a notch in the disc comes opposite the lever and allows it to swing to operate the fuze. According to the invention, abnormal forward deflection of the edge of the ring 2, which may occur accidentally when the projectile is discharged and may prematurely release the lever 4, is prevented by overlapping lugs or an overlapping flange or ring 3. The ring 3 is cut away in the neighbourhood of the lever 4 in order not to interfere with the movement of this lever.
Patent GB-820741-A (GB)
Title: Improvements in electrically operated pictorial projection apparatus
IPC: G03B23/10
Filed: 1956-07-26
Abstract: 820,741. Optical projection apparatus. COOK, E. July 25, 1957 [July 26, 1956; July 9, 1957], Nos. 23074/56 and 21658/57. Class 97(1) The apparatus comprises a lens 19 mounted in an aperture in one wall of the casing: 10 containing a disc 15, with a row of apertures provided with slide pockets, carried on a shaft intermittently rotated to bring. the slides into position successively between the lens 10 and a source of light comprising, for example, a lamp 37 and condenser 38. In the form shown the rotation is effected by a motor 11 driving, through reduction, gearing, a wheel 26 having a pin which at each revolution, moves a toothed wheel forward one tooth. A spring brake holds the wheel stationary at other times. In another form the reduction gearing drives a cam disc which actuates a lever which drives the picture disc through pawl and ratchet mechanism.
Patent GB-137787-A (GB)
Title: Improvements in or relating to hose-couplings
IPC: F16L37/113
Filed: 1919-09-19
Abstract: 137,787. Stove, A. E. Sept. 19, 1919. Addition to 122,583. Couplings, disconnectible.-A hose coupling of the kind described in the parent Specification is modified by forming the washer-ring C which carries the face washer J with a plain surface C' on the side which is adjacent the interior of the U-shaped packing washer D, and the construction is modified to provide free admission of water to the interior of the member D by shortening the inside wall of the washer D, and by shortening the sleeve A to which the hose is attached, and, if desired, also forming notches A<2> in this sleeve. The sleeve A and washer-ring C are mounted so as to be capable of unrestricted rotary movement, by causing lugs on the ring to engage an annular groove C<5> in the coupling ring B, and the retaining screws are arranged in the vertical grooves leading to the annular one.
Patent GB-155635-A (GB)
Title: Improvements in devices for colouring, painting, impregnating or smearing paper or like breadths of material
Filed: 1919-09-19
Abstract: 155,635. Wurzner, K. Sept. 19, 1919. Registering webs.-In apparatus for colouring, painting, impregnating, or smearing paper or like webs, of the kind wherein the web is fed under a fixed scraper having adjustable deflectors near its ends to confine the coating material, delivery means are provided between the web supply-roll and the scraper to ensure the web running central and to prevent escape of the coating material on to the supporting band running under the scraper. In the arrangement shown, horizontal guides 3 are supported on small frames 6 and hinged at 16 to guides 4 on the main frames 6a, the guides 3, 4 carrying sprockets 10 over which pass endless travelling chains 9 provided with gripping devices or holders to seize the selvages of the web 1 as it passes from the supply-roll 2. The guides 3 are adjustable laterally by hand-wheels 7 connected to the guides and engaging over threaded portions of the spindle 5, and the vertical guides 4 are similarly adjustable by hand-wheels 8. To allow of these adjustments, the guide-rollers 10<a> are of telescopic or other suitable form. Before starting the machine, the guides 4 and deflectors 13 of the scraper 12 are adjusted to the width of the web to be coated, and the guides 3 may be adjusted during the coating operation to ensure the selvages of the web being seized by the chains 9.
Patent GB-810989-A (GB)
Title: Improvements in or relating to power presses
IPC: F16D67/04
Filed: 1956-07-26
Abstract: 810,989. Controlling clutches; change-speed gearing. SCHULER A.G., L. July 26, 1956 [Aug. 2, 1955], No. 23174/56. Class 80 (2). In a press having at least one brake and one clutch, particularly a press having changespeed gear with a separate clutch for every speed and in which the idle stroke is passed more rapidly, each clutch or brake control comprises a control member connected to the control of the other clutches or brakes such that engagement of the latter is blocked until the former clutch or brake is disengaged. A motor 1 drives the two crankshafts of a press through two-speed gearing 5, 7 or 3, 4, on engagement of friction clutches 9, 10 respectively, which are engaged by fluid pressure in cylinders 13, 14 moving piston rods within the driving shaft 6 to actuate collars 29, 29<SP>1</SP> and links 30, 30<SP>1</SP>. A friction brake 15 is rigid with the body of the press and connected to the shaft 6 and is engaged by springs 57, compressed under disengaged conditions by a fluid pressure cylinder 35. The cylinders 13, 14, 35 are connected to a pressure source 63 through pipes 36, 33, 34, respectively which includes electromagneticallyoperatedcontrol valves 42, 38, 40 and pressurecontrol devices 43, 45, 41. The pressure control devices comprise a spring-loaded piston subject to the pressure in the pipe such that at the end stroke a micro-switch w2, w1 or wbris operated. Fine cams 46, 47, 48, 49 and 50 are driven synchronously with the press crankshaft and control fine switches 51, 52, 53, 54 and 55 respectively. The electrical circuit shown in Fig. 4, in which relays A to J control switches a to j respectively, is arranged such that on actuation of the two ON switches the pressure fluid flows to the cylinder 35 to release the brake, pressure build-up in line 34 trips the control device 41 to allow pressure to pass to cylinder 13 to engage clutch 9 and run the press on its work stroke at low speed. At the end of the work stroke as determined by the relative position of the cams 46-50, clutch 9 is disengaged, and when disengaged, clutch 10 is engaged for a fast idle stroke of the press. At the end of the stroke clutch 10 is disengaged and then the brake is engaged. A switch 56 has three positions which correspond to : I press runs only while ON switch is depressed; II press runs with ON switch depressed to end of cycle; III press runs continuously after depression of ON switch.
Patent GB-835532-A (GB)
Title: Production of timed release medicaments
IPC: A61K9/22
Filed: 1958-07-18
Abstract: A timed release medicament is produced by forming gel granules of a water-insoluble metal soap having particles of a therapeutic agent 50 embedded or enmeshed therein as to provide a predetermined release pattern.  Three ways of producing these granules are specified: (1) The therapeutic agent and metal soap are gelled in an organic solvent and the greater part of the solvent evaporated from the gel which is then broken up into small pieces and the remaining solvent evaporated.  (2) A solvent gel of the metal soap is prepared and the therapeutic agent added thereto after gel formation, the whole being subsequently kneaded to prepare a dough-like product which is screened and dried.  (3) A gel is prepared as in (2) and dried and screened.  Therapeutic agent in particulate form is intimately mixed and the mixture then compressed into tablets.  A highly water-soluble substance, such as lactose, may be incorporated in the gel.  The gel may also be produced by compression.  A surface-active agent (many specified) may be incorporated to increase the rate of release of therapeutic agent.  Many therapeutic agents, metal soaps and organic solvents are specified.
Patent GB-953208-A (GB)
Title: Improvements in or relating to conveyor belts
IPC: F16G3/10
Filed: 1960-07-04
Abstract: 953,208. Laminates. PNEUMATIQUES, CAOUTCHOUX MANUFACTURE & PLASTIQUES KLEBER COLOMBES. July 4, 1960 [July 3, 1959], No. 23302/60. Heading B5N. [Also in Division B8] Conveyer belts or belting comprise two plies 23, 24 of open-mesh nylon or other polyamide fabric embedded in a non-combustible vulcanised elastomer 22 the spacing of the plies being at least equal to the thickness of the combined plies, and the elastomer being bonded to the plies and penetrating the open-meshes thereof. Outer coating layers 24, 25, and edge layers (not shown) of the same elastomer material are provided. The elastomer composition preferably comprises polyvinyl chloride, butadieneacrylonitrile copolymer, non-inflammable (e.g. chlorinated) plasticizer, non-inflammable filler, and vulcanizing and stabilizing ingredients. The belting is preferably made by calendering one side of each nylon fabric ply with half the total thickness of elastomer, assembling the plies, coated sides inwards, and hot pressing, the outer layers then being applied and the whole vulcanized in a press. To form an endless belt the free ends of the belting material are spliced by removing the inner and outer elastometer layers 22, 25, 26, from one end for a suitable distance, pressing the plies together to form a tongue, removing the inner material 19 from the other end for the same distance, inserting the tongue in the gap so formed, after coating the surfaces with a solvent such as trichlorethylene or with a solution therein of unvulcanized elastomer, and hot-pressing the joint.
Patent GB-155802-A (GB)
Title: Weighing machine
IPC: G01G1/30
Filed: 1920-08-09
Abstract: 155,802. Thirion, E. Dec. 16, 1919, [Convention date]. Camputing-apparatus; weights.-A weighing- machine for determining the weights of fabrics or the counts of yarns comprises a weight B sliding on a graduated beam A, and a suspended chain S adjustable at one end over a vertical scale E bv means of an endless band H. In determining the weight of a square metre of fabric, a square decimeter of the fabric is placed on the pan F and is balanced by the poise B and chain S. The weight of a square metre is then read off directly. The machine may be graduated to read in counts of yarns.
Patent GB-675492-A (GB)
Title: Improvements in or relating to optical elements having a non-spherical refracting surface
IPC: G02B3/04
Filed: 1949-09-09
Abstract: 675,492. Optical elements. ABBEY, A. (American Optical Co.). Sept. 9, 1949, No. 23419/49. Class 97 (i). [Also in Group XXIII] In a process of forming optical elements, e.g. Schmidt plates, having surfaces of desired shapes from a plane parallel glass blank having at least one optically-finished surface, a known thickness, a known softening temperature and known expansion characteristics, there is formed a refractory support having similar expansion characteristics as the blank, the blank is placed on the support with its optically-finished surface exposed and the two are heated until the glass of the blank softens so that the lower surface thereof conforms to the shape of the upper surface of the support and the exposed surface of the blank has the shape required. As shown, the glass blank 11 has an optically finished surface 12 and is placed on the surface 16 of a refractory support 15, which surface 16 has been ground to the shape required for the surface 12 of the finished element. The support and the blank are then placed in a furnace and heated so that the glass softens and surface 13 conforms to surface 16. The shape of surface 12 is then compared with the shape desired; surface 16 is then altered and the process repeated until the required shape has been given to the surface 12 of the blank. Thereafter, the support 15 can be used with other blanks having the same thickness and formed of the same glass to produce elements having optically finished surfaces 12 of the same shape. The surface 13 of the moulded blank can be ground and polished to a plane or spherical shape. The material of the support is selected so as to have the same expansion characteristics as the glass of the blank, and so that the blank will not adhere to the support, and preferably comprises kyanite, base clay, chrome oxide, sodium carbonate, sodium silicate. Reference has been directed by the Comptroller to Specification 645,386, [Group XXIII].
Patent GB-1218413-A (GB)
Title: Process for the simultaneous preparation of 1,2-dichloroethane, 1,1,2-trichloroethane and 1,1,2,2-tetrachloroethane using a fixed bed
Inventor: BENAROYA GERARD
IPC: C07C17/156
Filed: 1968-05-17
Abstract: 1,218,413. Oxychlorination process. PRODUITS CHIMIQUES PECHINEY - SAINTGOBAIN. 17 May, 1968 [19 May, 1967], No. 23671/68. Heading C2C. 1,2 - Dichloroethane, 1,1,2 - trichloroethane and 1,1,2,2 - tetrachloroethane are produced simultaneously by oxychlorination of ethylene, in a continuous process that comprises passing a gaseous mixture containing ethylene, hydrogen chloride and molecular oxygen, the molar ratios HCl/C 2 H 4  and O 2 /C 2 H 4  being from 1À8 to 3À0 and from 0À5 to 1À5 respectively, through adjacent or separated first and second zones comprising one or more tubular or multitubular devices and containing fixed bed catalysts, the diameter of the tubes of the second zone being greater than the diameter of the tubes of the first zone, the temperature of the warmest region in the first zone being from 250‹ to 400‹ C. and the temperature of the warmest region in the second zone being from 5‹ to 50‹ C. higher than that of the warmest region in the first zone but lying within the range 255‹ to 410‹ C. A fraction of the reactants may be supplied directly to the second reactor in the form of a gas comprising one or more of them. Specified catalyst supports are alumina, silica, silicates, clays, aluminosilicates, magnesia and graphite. Vinyl chloride and/or other chlorinated ethylenes may be produced as by products.
Patent GB-487559-A (GB)
Title: Improvements in electrical water heaters
IPC: F24H1/10
Filed: 1937-08-30
Abstract: 487,559. Heating water by electricity. HUME PIPE CO. (SOUTH AFRICA) Ltd. Aug. 30, 1937, No. 23674. Convention date, Sept. 3, 1936. [Class 39 (iii)] In an electrical waterheater wherein the water is heated in flow by passing current therethrough, the electrodes are enclosed in a metal container 2 earthed by its water supply pipe, the container further being provided with a substantially water impervious internal lining 11 of material which protects it from corrosion and has heat and electrical insulating properties. The lining may be Portland cement concrete. The electrodes comprise plates mounted on rods 16, 17 and 18. The plates are cut away so that they can be intercalated and are spaced by distance pieces formed of metal and insulating material. The leads 23 are housed in a dome-shaped cover 7 which may be of metal and connected to casing 2 in order to earth it.
Patent GB-691939-A (GB)
Title: Improvements in attenuators for use in connection with the transmission of electromagnetic waves through waveguides or the like
Inventor: WHITEHEAD ERIC ARTHUR NORTH
IPC: H01P1/22
Filed: 1950-09-28
Abstract: 691,939. Wave-guides. WHITEHEAD, E. A. N. Sept. 28, 1951 [Sept. 28, 1950], No. 23799/50. Class 40 (viii). [Also in Group XL (c)] A variable attenuator for a waveguide comprises two coaxially aligned contiguous lengths 1 and 2 of cylindrical wave-guide, which can be rotated relatively to each other about their common axis, and which contain one or more absorbing surfaces 1a and 2a which absorb substantially completely any wave energy which is electrically polarized in a predetermined direction. The absorbing surfaces may comprise graphite or very thin metal films on dielectric supports. Notches 3 may be cut in the absorbing surfaces to minimize reflections. A further length of guide 6 with an absorbing surface 6a may be fixed beyond the moving section 2 in order that the attenuator may emit waves of the same direction of polarization as those that it receives. Matching sections 1b and 6b are provided at the ends of the attenuator to connect it to rectangular guides and an indicator 5 may be secured to the middle section.
Patent GB-599342-A (GB)
Title: Improvements in or relating to the adhesive bonding of shoe parts
IPC: A43D25/18
Filed: 1945-09-15
Abstract: Hardened synthetic rubber cement on one of two shoe parts which have been treated with such cement for purposes of cementing the parts together is activated or softened by lightly spraying it with a solvent.  The amount of solvent required and the period of waiting between activation of cement and the attaching operation are less than when the solvent is applied by a brush.  As applied to the cement attachment of a sole to a lasted upper which may have been lasted by a machine as described in Specification 294,640, [Class 17 (ii)], and to the roughened overlasted margin of which a synthetic rubber-like cement is applied by hand or by a machine, such as that described in Specification 467,666, the outsole, which may have been cement-coated by a machine such as that described in Specification 411,815, and lasted shoe are allowed to dry.  The outsole is, if necessary, mulled or tempered just before the activator or solvent is applied to it.  This latter may be done by a spray gun mounted on a coating-applying machine such as that described in <PICT:0599342/III/1> Specification 467,562, the spray being adjusted to give a flow of 0.4 c.c. to each sole.  The trigger 30 of the spray gun may be operated through a rod 32, and lever system 36 and rod 38 from a foot treadle which also controls the feed of the sole through the machine.  The activating medium preferably includes a small quantity of diphenyl carbazone, and the cement a quantity of magnesium oxide as filler, so that visual indication is given, by change of colour due to chemical reaction, of the activation of the cement.  Promptly after activation the sole and shoe bottom are brought together and placed under pressure for about 50 seconds. Examples of activators and cements are given in the Specification. Specifications 408,953, [Group VII], and 468,361 also are referred to.
Patent GB-1261260-A (GB)
Title: Pad of stacked detachable sheets, and method and elements for manufacturing the same
Inventor: LAVIGNE JEAN
IPC: B42D5/06
Filed: 1970-05-18
Abstract: 1,261,260. Timing, date indicating. J. LAVIGNE. May 18, 1970 [March 19, 1970], No.23885/70. Addition to 1,261,259. Heading G3T. [Also in Division B6] The glue, used in a process for the manufacture of pads having a rigid stub and tear-off leaves, is described in the parent Specification comprises a thermogluing ink e.g. conventional inks containing resin, linseed oil, coumarone resins, rubber resins, synthetic varnish and hydrocarbons. The undirectibility of the inks may be increased by adding powdered metal or carbon black.
Patent GB-1073623-A (GB)
Title: Apparatus for the generation of a controllable variable magnetic field, for biomedical applications
IPC: A61N2/00
Filed: 1964-06-09
Abstract: 1,073,623. Treating with magnetism. E. ELMI. June 9, 1964 [June 10, 1963], No. 23903/64. Heading A5R. Apparatus for treating with magnetism comprises an electromagnet 16, 17 energised by rectified alternating current and a field-diffusing device in the form of a magnetic plate 18 connected to one pole of the electromagnet and having one or more projecting ferromagnetic quills. Alternating current is supplied to a diode rectifier bridge 12 through a transformer 2, 5, a step-switch 8, and a changeover switch 7. The rectified output is supplied to the electromagnet through a pole-reversing switch 11. In a second position of the changeover switch, alternating current bypasses the rectifier. One arm of the rectifier may be shortcircuited by a switch 15 for half-wave rectification. In Fig. 2 (not shown), the field-diffusing device is in the form of a concave plate (22) having a conical magnetic member (23) at its centre. Two electromagnets may be employed, each bearing a field-diffusing device, and these electromagnets may be connected in series or in parallel.