baber/WOPTO huggingface dataset:
Patent GB-137845-A (GB)
Title: Improvement in paper making
IPC: D21F7/04
Filed: 1920-01-13
Abstract: 137,845. Great Northern Paper Co., (Assignees of Pope, C. E.). Oct. 25, 1918, [Convention date]. Guiding - mechanism; wet presses.-In passing the paper web 13 or a lead strip thereof produced by a cutter 13<a> to the turning-press 16, 16<a> and from thence to the first drying- cylinder 20, the web is blown off the felt 10 by air jets 21 and directed between rollers 17 and a guide or deflector 22 by air jets 23, 24. The guide-plate is curved at its upper end and directs the web on to the felt 14 and between the rollers 16, 16a. It is stripped from the roller 16<a> by opposed jets 30 and, by means of jets 26 and a guide-plate 25, is directed over a roll 18, while jets 33 support the web in its travel to the baby drier 19 around which it is directed to the first drier 20 by a guide-plate 35 and jets 36. To economize air pressure, the jets may each be provided with a valve, or they may be controlled in groups, or air pipes of different sizes may be fitted.
Patent GB-1477287-A (GB)
Title: Production of carbon black
IPC: F16J15/32
Filed: 1976-01-13
Abstract: 1477287 Carbon black VSES NI INST TEKHNICHESKOGO UGLERODA 13 Jan 1976 01161/76 Heading ClA Carbon black is produced by feeding fuel A and air B to a combustion chamber 2, effecting combustion of the air and the fuel in the combustion chamber to form a flow of combustion products; narrowing 3 the flow of combustion products; feeding a hydrocarbon feedstock C into the narrowed flow of combustion products, expanding the flow in a reaction chamber 6 and feeding an oxygen-containing gas E into the flow in a first portion of the reaction chamber wherein the hydrocarbon feedstock decomposes without yielding carbon black and further decomposing the hydrocarbon feedstock to yield carbon black in a second portion of the reaction chamber; the second portion of the reaction chamber being downstream of the first portion. A coolant F may be fed into the reaction chamber downstream of the second portion of the chamber.
Patent GB-628947-A (GB)
Title: Production of stainless steel
IPC: C21C7/00
Filed: 1945-01-15
Abstract: A method of producing stainless steel containing 10 to 35 per cent chromium in an electric furnace comprises melting a charge of stainless steel scrap, iron oxide e.g. mill-scale and one or both members of the group high-carbon ferro-chrome and chrome ore with a fluxing agent rich in titanium oxide, and adding a non-carbonaceous reducing agent to the melt to reduce metallic iron and chromium from the oxides present in the slag.  In a preferred method the fluxing agent contains at least one of the materials ilmenite, titamite and rutile, the non-carbonaceous reducing agent consists of at least one of the substances ferrosilicon, alsifer, or ferrochromesilicon, and lime is added with the said reducing agent or closely alternating with it.  The original charge contains chrome ore and ilmenite, further amounts of both being added to the melt.  The slag formed is finally removed and a non-carbonaceous finishing slag is made upon the bath, e.g., with a mixture of lime, ferrosilicon and a slag fluidifying ingredient, the manganese and silicon content of the steel being adjusted at the same time.  If nickel is required in the composition of the steel, a major part of the necessary nickel is advantageously included in the charge and the remainder added later. Other alloying elements may be added in the furnace in the finishing stage or in the ladle, or at or near the end of the reducing period.
Patent GB-161309-A (GB)
Title: Improvements in locomotives
IPC: B61C11/00
Filed: 1920-01-14
Abstract: 161,309. Milburn, E. W. Jan. 14, 1920. Endless-track tractors. - A locomotive, more particularly for use in mines, is provided with one or more endless-tracks which can be lowered to engage wooden tracks to drive the locomotive up gradients. The tracks are carried on frames which are lowered and raised by toggles operated from a hand-actuated shaft through wormgearing. The locomotive comprises a main trame a on which the wheels b are mounted, sprockets q, for the tracks being carried in bearings q<1>. The tracks pass round a frame d, d<1>, vertical members f, g, of which are guided by bushes h on the axles c. The frame is lowered by means of toggles i, j, operated by worms p and sectors o. Springs y, are interposed between brackets l on the frame d' and the toggles. The locomotive is driven from motors A through chain gearing r<1>, countershafts r being fitted with pinions engaging gears on the axles c, or the shafts of the chain sprockets q, respectively.
Patent GB-875805-A (GB)
Title: Method of preparing powder compositions
IPC: A61K47/02
Filed: 1958-01-14
Abstract: The powder compositions comprising two or more silica gels having different adsorptive characteristics of the parent Specification are prepared by using gels which have been prepared by first making a single gel having a steep adsorption isotherm and treating one or more parts thereof to flatten the adsorption isotherm and thereafter intimately mixing the treated and untreated portions of the gel together with desired adjuvants. Specific methods of treatment referred to are: (a) by heat; (b) by mechanical treatment, e.g. edge milling, grinding or subjection to mechanical pressure; and (c) addition of a small amount of an hydrophobic water-repellant substance, e.g. a fat, oil or wax.
Patent GB-433298-A (GB)
Title: Improvements in or relating to tuning devices for wireless receiving sets
IPC: H03J7/30
Filed: 1934-01-13
Abstract: 433,298. Motor driving-arrangements. STAPLETON, A. W., 186, The Avenue, HATFIELD, R. H., 34, Clevedon Road, and LAWLER, R., 191, The Avenue, both in Highams Park, London. Jan. 13, 1934, No. 1336. Drawings to Specification. [Class 35] [See also Group XL] In a wireless receiver wherein tuning is effected automatically, the tuning controls are driven by a motor through a clutch. The clutch may be operated by the motor armature which may be slidable longitudinally and into and out of its field. Thus when the motor is energized the armature is moved longitudinally to engage the clutch and when switched off reverse movement takes place under spring control to disengage the clutch.
Patent GB-864238-A (GB)
Title: Shaped explosive charge
IPC: C06B23/00
Filed: 1960-01-14
Abstract: 864,238. Blasting charges. BORG-WARNER CORPORATION, and WELEX Inc. Jan. 14, 1960 [Jan. 14, 1959], No. 1369/60. Class 9(1). In the shaped charge described and claimed in Specification 785,155 the barrier of inert material is replaced by a barrier 47 of explosive material having a low detonation velocity. The explosive may be finely divided RDX, cyclonite, TNT or PETN mixed with an inert diluent such as plaster of Paris, salt, powdered glass or synthetic resin. The shaped charge is housed in a case 30 having an integral boss 32 at the rear in which is an ignition fuze cord 34 and a booster. The booster charge 38 may be compressed cyclonite. The cavity housing the booster flares outwardly to form a frusto-conical chamber housing high explosive behind the barrier 47. The explosive also fills an annulus around the barrier and a cup-shaped chamber 41. A liner 46, e.g. of copper, closes the recess in the charge 45, which is RDX containing 9% wax. The barrier 47 is a mixture of 10% RDX and 90% plaster of Paris and is bounded by a flat rear face and a concave forward face. To assemble the charge, RDX is compressed in the case 30 by a punch with the configuration of the liner 46. A hole is then drilled through the centre of the RDX, to remove the explosive from the booster cavity and make room for the barrier 47. A booster is then inserted in the cavity 35 before inserting a sandwich of RDX containing the barrier 47, the sandwich being formed in a separate die. In a modification, the barrier has a frusto-conical peripheral wall.
Patent GB-130094-A (GB)
Title: Improvements in Step-by-step Telegraphic and like Receivers, Working on the Principle of Magnetic Gearing.
Filed: 1918-01-24
Abstract: 130,094. Barr & Stroud, and Macgill, C. D. Jan. 24, 1918. Order apparatus. - In a step-by-step electromagnetic receiver of the kind in which a polygonal armature rotates inside a series of electromagnets arranged in a polygonal manner, the armature and the electro-magnets are arranged in such a manner that the apices of the former must be in the recesses of the latter in order that the armature may rotate. To ensure that the electro-magnets are energized successively in correct order, the magnet windings are connected to brushes adapted to engage in groups a conducting ring carried on the armature shaft. The armature and operated shafts are connected bv a universal coupling. Specifications 1576/70 and 1361/71, [both in Class 35, Dynamo-electric generators &c.], are referred to. In the arrangement shown in Fig. 1 the field magnet system consists of six magnets A, A<1>, B, B<1>, and C, C<1> provided with convex pole faces, and the armature D is provided with five concave pole faces. The opposite pairs of field magnets may be simultaneously energized, and in the position of the armature D shown in Fig. 1 the magnets B, B<1> are energized. The de-energization of the magnets B, B<1> and the subsequent energization of the magnets A, A' causes the armature to pivot about the apex 4 due to the attraction of the magnet A, while the magnet A' tends to cause the armature D to pivot about the apex 3. To increase the magnetic effect upon the amature of the magnet A over that of the magnet A<1> the projecting corners of the armature D are made of non- magnetic material. This effect may also be augmented by providing the armature faces with soft iron bosses E, Fig. 3, and the pole faces with corresponding recesses. In the modification shown in Fig. 4 the armature D is provided with five convex pole faces and the six field magnets with concave pole faces. In the arrangement shown in Figs. 7 and 8 the pole-magnets are mounted in a non-magnetic casing S and the magnetic circuit of each pole is through the centre pole pieces T, armature D and the side pole pieces T<1> and T<2>, Air spaces are placed near the apices of the armature. When the field magnets are energized singly from leads F, F<1> through a corn. mutator G, Figs. 5 and 6, the lead F<1> is connected to an insulated ring P mounted upon the armature D and connected to the lead F bv means of a brush R bearing upon a stud P'. The leads L, K and M leading from the commutator G are connected to the windings of the magnets B, B<1>, A, A<1> and C, C<1> respectively. The other ends of the magnet windings are connected to spring conductors L<1>, L<2>, K<1>, K<2>, M<1> and M<2> which bear in groups of three upon the ring P. In the position shown the magnet B is energized, and upon rotating the commutator G the magnet A or C is energized.
Patent GB-1185111-A (GB)
Title: Process for Preparing Betaine Derivatives
Inventor: MORRIS PETER
Filed: 1968-01-10
Abstract: 1,185,111. Betaines. PROCTER & GAMBLE Ltd. 9 Jan., 1969 [10 Jan., 1968], No. 1441/68. Heading C2C. Betaines of formula R 1 (R 2 )(R 3 )N<SP>+</SP>-R 4 - COO- are prepared by reaction of a tertiary amine of the formula R 1 R 2 R 3 N with a salt of a halo-carboxylic acid of the formula XR 4 COOM, in which formulµ R 1  is an alkyl group having 10 to 18 carbon atoms; R 2  and R 3 , which may be the same or different, are alkyl groups having 1 to 3 carbon atoms; R 4  is an alkylene group having 1 to 4 carbon atoms; X is a halogen; and M is alkali metal or ammonium, and characterised in that to an aqueous dispersion of the tertiary amine in a quantity of water such that the reaction mixture will remain stirrable throughout the reaction, having an alkalinity such that upon addition of the salt of the halocarboxylic acid the pH of the mixture will be from 6 to 9, is added at least the stoichiometric quantity of substantially dry, particulate salt of the halo-carboxylic acid; the reaction mixture is maintained at a pH of 6 to 9 and at the reaction temperature from room temperature to the boiling point, with stirring, until the reaction is substantially completed.
Patent GB-112062-A (GB)
Title: Improvements connected with the application of Taps and Valves to Earthen, Metal-enamelled, and similar Wares.
IPC: F16K27/12
Filed: 1917-01-31
Abstract: 112,062. Corn, E. R., and Johns & Co., E. Jan. 31, 1917. Lift valves; materials, special; protecting baffles.-Relates to supply tap or waste-valve fittings for earthen, enamelled metal, and similar wares such as baths, sinks, lavatory basins, and bidets. The upstanding or exposed parts of the tap or valve fittings are made of, or enclosed within, two earthenware pieces c<2>, d which fit and turn one over the other so that they can be washed down with the bath or sink in the ordinary way. In the supply valve, Fig. 1. the lift valve u<2> and screw spindle u are carried by an internal metal sleeve t, and the earthenware body c<2> with integral spout c is clamped to the bath a or other article by a flange t<2> and nut t<4>. The earthenware handle d<3>, secured on the spindle u by socket connexion and screws d<5>, has a depending flange d<4> embracing the cylindrical upper part c<3> of the earthenware body c<2>. In the waste fitting, Fig. 4, an earthenware base piece c<2>, enclosing the metal parts u, v<2> is secured by a nut x thereon, and the earthenware handle d<3> similarly has the depending flange d<4> working over the upper part c<3> of the base piece. Specification 21712/14 is referred to,
Patent GB-536305-A (GB)
Title: Improvements in the production of luminescent materials
IPC: C09K11/74
Filed: 1940-01-25
Abstract: 536,305. Luminescent materials; silica. TRIGGS, W. W. (Harshaw Chemical Co.). Jan. 25, 1940, No. 1540. [Class 39 (i)] [Also in Group III] In the preparation of luminescent silicates, an oxide of arsenic, preferably As 2 O 3  in aqueous solution, or a material producing it on calcination is added to the silica or to the mixture of the silica with the metal oxides and activator, so that the composition contains .003 - .03 per cent of arsenic based on the weight of silica. The activator is preferably manganese in the form of a chloride, an oxide, or an oxide-producing compound such as the nitrate. The metals in the form of oxides or oxide-producing compounds may be zinc, cadmium with or without magnesium, or a mixture of zinc and beryllium. In the latter case, the oxide of one may be mixed with the silicate of the other, and part of the beryllium may be replaced by magnesium in the form of its silicate, oxide or an oxide producing compound. The silica is preferably prepared by precipitation in a non-colloidal state from a solution of ammonium silico-fluoride or fluosilicic acid by concentrated ammonia, or by precipitation from salts or esters by acids. The ingredients are thoroughly mixed in the form of a slurry in a ball-mill, dried and calcined at a high temperature from 1100-1300‹ C in an oxidising atmosphere. -Examples are described of the preparation of luminescent zinc, cadmium, zinc-beryllium and zinc-beryllium-magnesium silicates.
Patent GB-620438-A (GB)
Title: Improvements relating to gas heated cookers
IPC: F24C15/08
Filed: 1947-01-17
Abstract: 620,438. Gas cookers. RADIATION, Ltd., and TWIGG, W. R. Jan. 17, 1947, No. 1591. [Class 126] A standardizec framework for use ir the construction of a gas cooker comprise: angle iron corner posts the upper ends of which are united by a sheet metal band the upper edge of which is flangec to carry hot plate components, each corner post being adapted tc support grilling chambers, ovens or other components. Four angle irons a are united at the top by a sheet metal band b having flanges c on which hotplates e may rest. A hotplate extension q may be attached to the hotplate e by hooks r and be supported on the corner posts a by struts s. An oven, grilling chamber or shelves o may rest on bars g supported on corner posts a by lugs f and a sliding tray t may be provided.
Patent GB-394411-A (GB)
Title: Electric suspension switches
IPC: H01H15/02
Filed: 1932-01-19
Abstract: 394,411. Snap-action switches. BONNELLA, A. and BONNELLA, G. J., 11, Bucknall Street, London. Jan. 19, 1932, No. 1650. [Class 38 (v).] A suspension switch comprises'a barrel-shaped insulating body 1, having terminal members 4 with aligned spring plungers 5 inserted into opposite ends, and disposed at an angle so that, while the terminals are situated to one side of the body ends and leave room for additional terminals 8, the plungers are situated on the axis of the body. The terminals are secured in the body by making them at 6 of non-circular section, as in Fig. 2, and forcing them into holes therein. The plungers co-operate with a push-rod 10, Fig. 3, having adjacent insulating and metal surfaces 12, 11. In a modification, a hollow barrel with plugs in its ends is used in place of the solid body 1.
Patent GB-213041-A (GB)
Title: Improvements in or relating to frames or holders for displaying and storing articles such as photographs, picture-postcards and the like
IPC: A47G1/14
Filed: 1923-01-18
Abstract: 213,041. Osmond, G. E. Jan. 18, 1923. Card and like stands.-Collapsable frames or holders for photographs, picture postcards, &c. of the kind formed with a pocket by shaping and folding a single piece of paper, fabric, metal, &c., and adapted to be used as stands or attached to leaves of albums &c., are made with a rear flap or strut a<1> shaped to stand the frame in more than one position, for example in the case of a rectangular frame, upon either of two adjacent edges. The side flaps a<3>, a<4> are shaped so that the strut a<1> folds down flush between them. The strut a' serves also to close the pocket. An ornamental design projecting beyond the edges may be partly cut out of the strut a' or the side flaps a', a'.
Patent GB-315258-A (GB)
Title: Improvements in or relating to rotary slide valves for internal combustion engines
IPC: F01L7/16
Filed: 1929-01-17
Abstract: 315,258. Baer, A. July 10, 1928, [Convention date]. Addition to 295,537. Valves.-The movable packing-piece 11 fitted to the rotary valve 6 as described in the parent Specification is provided with means for counterbalancing the pressure of the combustion gases acting thereon. These gases have access to bores 48 and act upon pressure discs 53 bearing against diaphragms 51, which act through rods 55 upon levers 56, the inner ends 58 of which exert a downward pressure on the packing-piece 11, counteracting the direct upward pressure of the gases thereon. The fulcra 59 of the levers 56 consist of rounded collars fitting in the bores 57, and are preferably adjustable to vary the leverage. Specification 308,774 is referred to.
Patent GB-1128956-A (GB)
Title: Improvements in or relating to hair setting devices
IPC: A45D4/16
Filed: 1966-01-13
Abstract: 1,128,956. Hair curling appliances. CALOR APPAREILS ELECTRO-DOMESTIQUES. 13 Jan., 1966 [15 Jan., 1965], No. 1712/66. Addition to 1,051,933. Heading A4V. [Also in Divisions H1 and H5] In a hair setting apparatus as claimed in Claim 1 of Specification 1,051,933, the heat accumulator includes a bimetallic strip opening the electrical circuit of the electrical heating resistance when the accumulator has reached a pre-determined temperature, the strip being mounted as an integral part of the accumulator so that its temperature is always substantially equal to the outer casing thereof.
Patent GB-702063-A (GB)
Title: Improvements in or relating to transfer copying or manifolding materials and their manufacture
Inventor: WILLIAMS WALTER PHILIP
IPC: B41M5/132
Filed: 1951-01-23
Abstract: 702,063. Printing processes. SMITH & SON, Ltd., W. H. Jan. 23, 1951, No. 1764/51. Class 100 (2). [Also in Group VIII] Transfer copying material for reproducing writing or typewriting on a sheet placed beneath the sheet which is written on comprises sheets each having on one side a coating including a water soluble light-coloured sulphide and on the other a coating including a metal, e.g. lead salt such that on coming into contact with the sulphide a dark product will be produced. When such sheets are superimposed, writing pressure on the top sheet causes transfer of one compound to the surface carrying the other with the formation of a dark-coloured sulphide. The paper is first sized and the coatings applied successively as emulsions which on drying give firm non- tacky, non-sticky coatings. Specified emulsions are (1) organic liquid 62.8 per cent, dispersing agent 5.2 per cent, lead salt 3.8 per cent, water 28.2 per cent; (2) as in (1) replacing the lead salt with a water soluble sulphide. Organic liquids specified are carbon tetrachloride, benzene and toluene. Dispersing agents specified are aluminium calcium, magnesium, zinc and lead salts of higher fatty acids (stearic palmitic) and of resin or naphthenic acids. If a lead salt is used as dispersing agent the other lead salt may be omitted. Specified other lead salts are the acetate and nitrate. Sodium and potassium sulphides are referred to for use in the second emulsion. Bleached shellac and other resins may be added to the emulsions to improve the colour. For making single copies, only the under surface of the top sheet and the top surface of the lower sheet need be coated.
Patent GB-373243-A (GB)
Title: Improvements in or relating to alternating-current commutator machines
IPC: H02K27/12
Filed: 1931-01-19
Abstract: 373,243. Alternating-current commutator machines. JAPOLSKY, N., 35, Cholmeley Crescent, Highgate, London. Jan. 19, 1931, No. 1791. [Class 35.] In alternating-current commutator machines wherein the excitation is derived from an independent source, condensers are associated with the excitation winding. In the form shown in Fig. 4, each phase of the exciting winding of a variable-frequency generator is represented by series-connected inductances and resistances r1, L1 and r, L, and is fed at the mid-point. Condensers C are connected across the phases, and mesh-connected impedances including condensers C' may be arranged as a star point for the phases. Alternatively, the windings may be connected in star and the impedances including the condensers C<1> may be omitted or connected between the feed points on the exciting winding and the exciter, and in the latter case the condensers C may be omitted. In the form shown in Fig. 3, the parts rL of each phase winding are mesh-connected, and condensers C are connected across the ends of the phase windings. The exciter armature, which has rotating brushes connected to a direct-current supply, is stationary and tappings at three equidistant points are connected to the windings of the main machine, or an armature constructed as a direct-current machine except that it has three rotating brushes may be used, in which case the excitation windings of the main machine are connected to these brushes. A booster may be connected in series with the direct-current source. Condensers may also be connected between the commutator brushes or between any points of the stator winding.
Patent GB-1292042-A (GB)
Title: Dynamo electric machines
Inventor: COTTON HERBERT JOHN THOMAS
IPC: H02K13/00
Filed: 1969-01-13
Abstract: 1292042 Dynamo-electric machine brushgear JOSEPH LUCAS (INDUSTRIES) Ltd 6 Jan 1970 [13 Jan 1969] 1879/69 Heading H2A In a dynamo-electric machine, e.g. an alternator, having a frame 11 supporting two bearings 12, 13 rotatably journalling a rotor shaft 14 carrying a rotor assembly 15 and a slip ring unit 18 engaged by the brushes 29 of a brush assembly, one end of the shaft extends beyond one, 13, of the bearings to carry the slip ring unit, and the bush assembly includes a brush box 24, releasably engaged with and supported by the frame by way of two brush box spigots 25 engaged in respective frame bores 27, the brush box also defining with a portion 17 of the frame 11 carrying the bearing 13 a housing containing the slip ring unit. Spring clips not shown aid retention of the spigots in the bores, carriers 31 of the brushes are urged to engage the slip ring unit by compression springs 32, and a conductive braid 33 connects the carriers 31 to terminals not shown on the brush box exterior. Similar Specifications 1,292,041 and 1,292,043 are directed to the rectifier and slip ring construction.