baber/WOPTO huggingface dataset:
Patent FI-981808-A (FI)
Inventor: DE VOS ROLFY
IPC: D21C9/153
Filed: 1998-08-24
Abstract: A method for bleaching medium consistency pulp with an ozone-containing gas is disclosed. The highly concentrated ozone-carrying stream is introduced into the pulp stream without mechanical mixing, or accompanied by mixing of moderate intensity. Thus, advance is taken by the rapid reaction of ozone in plug-flow conditions without the use of fiber-destroying shear forces.
Patent GB-209768-A (GB)
IPC: C07F3/12
Filed: 1924-01-14
Abstract: Organic mercury compounds are prepared by "amidizing" the mercurized products obtained, according to Specification 206,507 as open to inspection under Sect. 91 (3) (a), from mixed aliphatic-cyclic compounds containing one or more carbonyl groups, by condensing them with hydrazine or its derivatives or with other reactive amido compounds.  The parent bodies may contain substituents such as OH, COOH, SO3H, NH2, NH.CO.NH2, NH.CS.NH2 or "chemico-therapeutic agents or groups such as arsenic, iodine, antimony, and naphthalene sulphonic acids and their derivatives."  Such products as contain acid groups may be converted into salts with organic or inorganic bases.  The Specification contains examples in which the following compounds are converted into mercury compounds by treating with mercuric oxide or acetate:-semicarbazones of p-acetophenone arsinic acid, oxyacetophenone arsinic acid, acetophenonecarboxylic acid, p-amidoacetophenone, and the "anile of p-benzaldehyde."  The products are of therapeutic value.
Patent GB-157241-A (GB)
Title: Improvements relating to internal combustion engines combined with turbines
IPC: F02B37/00
Filed: 1921-01-08
Abstract: 157,241. B³chi, A. Nov. 2, 1915, [Convention date]. Drawings to Specification. Four-stroke-cycle engines; pumps, rotary.-In a power plant comprising a four-stroke-cycle engine combined with a turbine, compressed charges are supplied to the working cylinder by a rotary compressor actuated by a turbine driven by exhaust gases from the internal-combustion engine, the cylinder dimensions and stroke being such that the engine serves partly as an expansion engine and partly as a generator of combustion products. The inlet pressure of the turbine ie equal approximately to the delivery pressure of the compressor, although in some circumstances the delivery pressure may be higher than the pressure of the gases admitted to the turbine. As compared with existing plants the cylinder dimensions are small and the pressure of the gases released through the exhaust valves is considerably above that of the atmosphere. When working with small loads, or when starting or reversing, the turbine-driven compressor is cut out of action. the engine being supplied with charges at atmospheric pressure and exhausting into the atmosphere. A slide valve which may be controlled by the pressure in the compressor, manually or by other governing means, is provided at the inlet to the turbine. Control of the pressures in the compressor and in the turbine may be effected simultaneously.
Patent GB-128138-A (GB)
Title: Improvements in Safety Belts for Children.
IPC: A47D13/08
Filed: 1919-01-16
Abstract: 128,138. Specialities (Leather), Ltd., Smith, W. H., and Haden, G. H. Jan. 16, 1919. Straps and bands.-A safety belt for children comprises an adjustable belt 1, to which is secured on the outer side by rivets 5 or by sewing one or two other straps 4, on which are two running metal links 6 each having an eye 7. To secure the child in a perambulator, chair, &c., straps 9, one end of each of which is secured to the perambulator &c., are attached to the links 6 by means of the spring hooks 10 and the eyes 7. To support a child while learning to walk, a strap 11 is used, having a spring hook 12 at each end to engage with the eyes 7. The belt may be made of leather or other material, and the straps of the same material, or they may be elastic-
Patent GB-110261-A (GB)
Title: Improvements in Non-skid Devices for Motor Vehicles.
Inventor: GUNTHER GEORGE
IPC: B60B39/00
Filed: 1917-01-23
Abstract: 110,261. Gunther, G., and Miller, W. P. Jan. 23, 1917. Slipping of wheels, preventing. - In non-skid devices comprising a band of fabric &c. passing round the driving-pulley and a guiding-pulley, the guiding-pulley 16 is convex and is mounted in a yoke 20 carried by a rod 21. The rod is provided with a spring 23, and is rotatably-mounted in bearing brackets 22.
Patent GB-896722-A (GB)
Title: An improved arrangement for preventing the inflow of outside air through outer doors and similar openings by means of a curtain of air
Inventor: WIKSTROM BERTH ATLE
IPC: F24F11/02
Filed: 1961-01-12
Abstract: 896,722. Air curtains. BAHCO A.B. Jan. 12, 1961, No. 1348/6 Class 137. An air curtain is formed in front of an opening such as a door between an inlet 4 provided with adjustable guide vanes 5 located along the upper edge 1 of the door opening and a suction chamber 7 located in the floor 2 provided with a grid 6. A duct 8 provided with a fan or fans (not shown) and a heating means 9 connects the suction chamber 7 with an inlet space 3 containing the inlet 4. Temperature sensitive means such as 10 and 11 actuate a relay device 14 which drives a motor 16, which in turn, controls the adjustment of the vanes 5. Should the air pressure at the outside of the air curtain of warm air rise, due say to an increase in wind pressure, the air curtain will be bent inwards and the outer temperature sensitive means 10 will be exposed to air at a lower temperature. The relay 14 is then actuated due to the temperature difference between the temperature sensitive means 10 and 11 and consequently the vanes 5 adjust the direction of flow of the air curtain until both temperature sensitive means lie within the air curtain width at their level. In three other embodiments, one of which is shown in Fig. 5, the width of the suction chamber 7 at right angles to the door is greater than that of the air curtain meeting the floor 2. As a result of this, any room air which is entrained and ejected at the inside of the air curtain and which could cause a draught along the floor 2 of the room, is also drawn into the suction chamber 7. A vent 17 with a regulating valve 18 is therefore provided in the duct 8 on the pressure side of the fan or fans, so that the volume of air passing through the inlet 4 does not fluctuate in quantity. Alternatively a separate fan can be used to exhaust the room air through a separate duct. The quantity of injected air may also be varied with the control of the vanes 5.
Patent GB-574260-A (GB)
Title: Improvements in and relating to gas turbines and like prime movers
IPC: F23R3/32
Filed: 1944-01-25
Abstract: 574,260. Liquid and gaseous fuel burners. SAXON, R: Jan. 25, 1944, No. 1354. [Class 75 (i)] [Also in Group XII] The. working fluid applied to a turbine or other prime mover consists of compressed d air passed through a combustion chamber A in which is arranged a burner comprising one or more choked passages D preferably of Venturi section through which some of the air heated by the burner is passed over one or more liquid or gaseous fuel orifices E to induce the flow of fuel to an outlet B at which combustion occurs. The inlet L to the choked passage D Ýs arranged beyond and facing in the opposite direction, at right angles, or inclined to the outlet B. The passage C connecting the inlet L to the choked passage D may be integral with the combustion chamber A or a continuation thereof and may have an additional inlet admitting unheated air. Two or more inlets L may converge to a common passage C and the fuel and air mixture may be led to two or more. outlets B.
Patent GB-424667-A (GB)
Title: Improvements in or relating to automobile headlights
IPC: B60Q1/076
Filed: 1934-01-15
Abstract: 424,667. Directing vehicle lamps. WHEATLEY, C. W. C., Eversley, Frant Road, Tunbridge Wells, Kent. Jan. 15, 1934, No. 1375. [Class 75 (iii)] In means for directing a headlight from the steering-gear, the headlight 10 is carried by a rotatable cylindrical permanent magnet 9 surrounding a fixed electromagnet 3, the current through which is controlled by a variable resistance operatively associated with the steering gear. The electromagnet 3 is enclosed in a brass &c., shell 4 and comprises a laminated core 2 widened at the ends to form polepieces which are normally spaced angularly from the poles of the magnet 9. As shown, the leads 23, 24 are connected to a resistance 22 and through a battery 21 to a rotatable contact arm 25, mounted on or linked to the steering pillar, so that the headlight is rotated in one direction of steering only against the action of an adjustable return spring 17. A lug 18 forms an abutment for the spring and co-operates with a projection 19 on the rotor cover 15 for locating the headlight in the normal position. The other headlight may be rotated in the opposite direction of steering by means of a resistance 26. Alternatively, the resistances may be straight, slidable contacts being actuated by a cable, &c., from the steering arm or track rod. Either or both headlights may be adapted to be rotated in both directions of steering.
Patent GB-722089-A (GB)
Title: Improvements in magnetic couplings
IPC: F16D37/02
Filed: 1951-11-15
Abstract: 722,089. Electromagnetic couplings and brakes; magnetic dust. VICKERS, Inc. Nov. 15, 1951 [Nov. 16, 1950], No. 1388/54. Divided out of 722,027. Classes 35 and 38 (2). In a magnetic powder clutch or brake, for rotary, rectilinear or other movements, the powder, which is without any liquid or solid lubricant additive, comprises finely-divided iron particles coated with a less readily oxidizable magnetic material such as nickel, either alone or mixed with uncoated iron particles. In the rotary clutch shown, nickel-coated iron particles are disposed in the annular air gap 16 between a drum 11 connected to an output (or input) shaft 74 and an inner member 10 secured to an input (or output) shaft 15 and housing a magnetizing coil 13 energized from a source 50 of electrical energy through a rheostat 52 and slip rings 40, 42.
Patent GB-488945-A (GB)
Title: Improvements in or relating to the manufacture and treatment of textile materials
Filed: 1937-01-18
Abstract: Textile materials, particularly those having a basis of an organic derivative of cellulose, are treated by depositing on the materials soaps of organic bases, especially soaps of alkylolamines, in conjunction with pine oils, or by depositing on the materials soaps of tetra-substituted ammonium bases. Electrification of the materials is thereby prevented or reduced. Suitable soaps are the soaps of mono-, di- or tri-ethanolamine, propanolamines, dioxypropylamines, tetra-methyl or tetra-ethyl ammonium hydroxide or trimethyl benzyl ammonium hydroxide with the following acids, oleic, stearic, palmitic, ricinoleic, resin, and naphthenic acids.  In place of pure pine oil there may be used commercial pine oil or terpineol.  The soaps may be used in solution or suspension in water or in organic liquids.  Substances specified for addition to the soap compositions are waxes, oils, magnesium chloride, calcium chloride, ethylene glycol and glycerine.  The process is of value in the treatment of artificial filaments for the production of staple fibres.
Patent GB-882810-A (GB)
Title: Magnetic sheet material and process of producing the same
IPC: C21D8/12
Filed: 1960-01-18
Abstract: (100) [001] orientation silicon iron is made by cold reducing (110) [001] stock by 60-90%, annealing in a non-carburizing atmosphere at 1100-1425 DEG C. and subjecting the sheet to at least one cyclic treatment comprising etching and again annealing under the same conditions as above.  The annealing may be carried in an atmosphere capable of reducing silica, such a vacuum of below 1 micron mercury, or in an atmosphere of hydrogen with a dew point of -50 DEG C., helium, argon, or mixtures of hydrogen and nitrogen. These gases may be at a pressure of 1 mm mercury.  Vapours of nickel and chromium may be present when heating elements of nickel chrome alloys are used. The sheets may be etched by gaseous or liquid reagents, and electrolytic etching methods may be employed. Preferably the sheet is etched between rolling and the first anneal.  During annealing the stacked or coiled sheet is separated by a calcined inert material such as alumina.  The iron silicon sheets may be etched in the following ways:-  (1) Two minutes in 80 DEG C. ferric ammonium sulphate acidified with 3% of its volume of concentrated sulphuric acid, followed by a 30 second electro-polish in an electrolyte composed of orthophosphoric acid (85%) with from 1-20% by weight of chromic acid added thereto, and electro-polishing at a current density of 5 to 25 amperes per square inch.  (2) A 30 second etch in a ferric ammonium sulphate containing 5% of its volume of sulphuric acid (concentrated) at 80 DEG C. (3) 30 second dip in a solution comprising a mixture of 50% by volume phosphoric acid (85%) and 50% by volume of 30% hydrogen peroxide, at room temperature.  (4) 30 second dip in a solution comprising a mixture of 50% by volume of phosphoric acid (85%) 10% by volume nitric acid (65%), 10% by volume hydrogen fluoride (48%) and 30% water at room temperature.  (5) An electrolytic etch using hydrochloric acid, phosphoric acid, sulphuric acid, disodium phosphate, or potassium carbonate as electrolyte.  (6) One minute of 1100 DEG C. in a gas containing 10% gaseous hydrogen chloride.
Patent GB-690611-A (GB)
Title: Improvements in or relating to hydraulic control apparatus
IPC: F15B7/00
Filed: 1947-01-20
Abstract: 690,611. Hydraulic machines. HYLAND, Ltd., and CLARK, H. R. Feb. 27, 1948 [Jan. 20, 1947], No. 1740/47. Class 69(ii) In hydraulic control apparatus in which a plurality of remote control units A, B, C, Fig. 1, each including a reversible pressure liquid transmitter or pump 1 are each connected through pairs of pipe lines 2 to the ram cylinder 3 or motor of one or more reversible controlled units so that each controlled unit, actuating, say, a steam valve 4, can be operated from any one of the units A, B, C, isolating valve mechanisms D for the respective units A, B. C are provided adjacent the controlled unit each comprising a pair of spring-loaded non- return valves 8, 9, Fig. 2, an appropriate one of which is opened by flow pressure from whichever pipe line 2 of a pair is pressurized by its pump 1 whilst the other valve is held open against the return flow from the controlled unit to the other pipe line, the arrangement being such that pressure failure in the apparatus on the control unit side of any mechanism D does not affect the working of the remainder of the apparatus. As shown, flow pressure from any pipe 2 opens the adjacent one of the respective valves 8, 9 directly, for flow to one or other of conduits 17, 18 connecting the mechanisms D in parallel to the respective ends of the cylinder 3, and holds open the other valve through a cross-connection 14 or 15. Two cylinders 3 are provided, selector valves 5 determining whether any given pump 1 delivers to one or other or both. Manually-operated rotary or reciprocal pumps 1 may be used. Specification 360,458 is referred to.
Patent GB-309975-A (GB)
Title: An improved press for embossing
IPC: B31F1/07
Filed: 1928-01-19
Abstract: 309,975. Allison, G. W., and Allison Improved Embossing Process, Ltd. Jan. 19, 1928. Embossing-machines.-In an embossing-press of the kind in which one of the pressure members carries a resilient flexible diaphragm which is expanded by fluid pressure, e.g., compressed air, to cause the embossing, means are provided for locking the pressure members against movement apart after the material and the die have been clamped between the members. The die and material 30, Fig. 1, are arranged on a fixed base 3, and the flexible diaphragm 4 is secured by a rectangular frame to the upper slidable pressure member 5. Preferably the member 5 is raised after the embossing operation by pressure cylinders 14 connected thereto by rods 15, and the supply of pressure fluid to the cylinders 14 through pipes 16, and to the diaphragm 4 through pipes 8, 11, from a main 13, is controlled from a single valve 12 so that the cylinders 14 are exhausted before pressure fluid is admitted to the diaphragm 4 and vice versa. Mounted on the spindle d of the valve 12 is a disc 21 having thereon raised cam-faces 22, 22<a>, engaging rollers on rods 23<a>, 23 respectively, pivoted to links 17 depending from the member 5, the links 17 having slotted openings which are allowed by the cams to drop over extensions 20 on the base 3 when the spindle d is operated to admit pressure fluid to the diaphragm, so that the members 3, 5 are locked against movement apart. An auxiliary exhaust valve 8<a> is provided in the pipe 11. The pipes 11, 16 are connected to openings 11<a>, 16<a>. Figs. 6, 7, in the base a of the valve 12. A hollow cap b to which pressure fluid is admitted from the pipe 13 is bolted to the base, and inside it and on the spindle d is mounted a disc e, having an opening g for connecting the pipes 11, 16 alternately to the fluid-pressure supply, and an exhaust passage i whereby they may be connected to exhaust ports h<1>, h, respectively. Rotation of the disc causes either of the pipes 11, 16 to be open to exhaust in advance of the connection of the other pipe to the admission. Separate interconnected admission and exhaust valves may be employed for operating the diaphragm, or a single two-way valve may be used. Specification 262,212 is referred to.
Patent GB-1246882-A (GB)
Title: Multistage vertical high-speed multi-ply paper machine
Inventor: KOBAYASHI TADASHI
IPC: D21F9/00
Filed: 1969-01-13
Abstract: 1,246,882. Papermaking. T. KOBAYASHI. 13 Jan., 1969, No. 1847/69. Heading D2A. A papermaking machine consists of a vertical arrangement of a number of identical, symmetrical pairs of independent web-forming units (e.g. Dl and D2; E1 and E2; Fl and F2; Fig. 2), each of the units having a wire cylinder (81 for D2), set at the outer end of the unit of which the cylinder is a part; a feed roll 80 and a couch roll 82 set above and below, respectively, the wire cylinder, and in contact with endless felt 79, held by these rolls against wire cylinder 81; a flow box 98 which directs a flow of stock towards the feed roll, felts 79 and 66 converging after the last pair of web-forming units, to form a single, combined web, e.g. by the arrangement of press and suction press rolls 73-77. The wire cylinder may be wrapped by a wire-cloth, a horizontal portion of the wire's path passing foil and suction boxes, before the wire passes over the wire cylinder. The arrangement may also include savealls 90, 91, 92, and suction unit 93, for removing liquid from the off-running portion of the roll, where the felt diverges away.
Patent GB-1415374-A (GB)
Title: Coating fabrics
IPC: B29C67/04
Filed: 1973-01-12
Abstract: 1415374 Coated fabrics E I DU PONT DE NEMOURS & CO 12 Jan 1973 [13 Jan 1972 27 Dec 1972] 1855/73 Heading B2E A fabric is coated by applying a polymercontaining liquid medium to one surface of the fabric while the opposite surface of the fabric is open to the atmosphere, to obtain wicking of the medium through the thickness of the fabric and then passing the fabric through a polymer-containing liquid medium. The method is particularly useful for applying coatings of polytetrafluoroethylene to glass fabrics. The polytetrafluoroethylene may be applied as an aqueous dispersion which may be sintered after application. The dispersion generally contains polymer particles of 0.1 to 0.5 microns and a surfactant is preferably present, such as ethoxylated aliphatic alcohols and ethoxylated alkyl phenols, or a solid silicone block copolymer. The tetrafluoroethylene may be copolymerised with other monomers such as hexafluoropropylene, perfluoro(alkylvinyl ethers) such as perfluoro(propylvinyl ethers) and perfluoro-(2-methylene-4-methyl-1, 3-dioxolane).
Patent GB-830579-A (GB)
Title: Improvements in beaded carbon black
IPC: C09C1/58
Filed: 1958-01-20
Abstract: Carbon black beads containing not more than 1% by weight of water, the outer portions of which are composed of carbon black particles bound together with rosin, are prepared by a modification of the process of Specification 824,589 whereby the outer portions only of preformed dry process beads as defined are uniformly wetted with water, in proportions within the range of 40 to 90 lb. of water per 100 lb. of beads, the beads being thereafter dried to a moisture content not exceeding 1% by weight, which comprises mixing with the water, prior to wetting the beads, an aqueous dispersion of rosin containing as dispersing agent an ammonium rosin soap which decomposes at the drying temperature subsequently employed in the drying of the beads.  Aqueous dispersions of rosin which may have a pH of 8-10.5 may contain 40-45% weight of solid resin of particle sizes not more than 5 microns and preferably ranging from less than 1 micron to a maximum of 3, 90% of the particles being less than 1 micron are employed in proportion of 0.5-2% weight based on the weight of the carbon black.  The proportion of ammonium rosin soap contained in the dispersion is merely that which is sufficient to maintain the rosin in suspension.
Patent GB-1272552-A (GB)
Title: Water-insoluble monoazo dyestuffs and process for their manufacture
IPC: A61B1/24
Filed: 1970-01-14
Abstract: 1,272,552. Monoazo dyes. FARBWERKE HOECHST A.G. 14 Jan., 1970 [14 Jan., 1969], No. 1861/70. Addition to 1,196,225. Heading C4P. The invention comprises disperse monoazo dyes of formula wherein D is the radical of a diazo component of the benzene series free from acidic watersolubilizing groups R 1  is H or a C 1-4  alkoxy group, R 2  is H, Cl, Br or a C 1-4  alkyl, alkoxy or acylamino group, R 3  is a beta-hydroxy- or -cyano-ethyl group, R 4  is H or a C 1-4  alkyl group, R 5  is a C 1-4  alkyl group or a phenyl radical or the groups R 4  and R 5  may together form an oxazolidinone ring. The dyes are prepared by coupling diazonium compounds of amines D-NH 2  with appropriate coupling components. The dyes may be used to colour cellulose acetate and synthetic polyamide, polyurethane and polyester fibres in yellow, red and brown shades.
Patent GB-944011-A (GB)
Title: Improvements in fabrics and fused fabric assemblies
Inventor: MEYER HANS
IPC: D06M17/00
Filed: 1960-01-19
Abstract: In a fabric attachable to other fabrics by heat and pressure for use as laundry or dry cleaning labels or as interlinings, the warp consists of a non-thermoplastic yarn doubled with a continuous multifilament thermoplastic yarn, and the weft consists of non-thermoplastic yarns.  The thermoplastic yarns may be of cellulose acetate, polyvinyl chloride, vinylidene chloride copolymer, or low softening point nylon; the non-thermoplastic yarns are of cotton or viscose rayon.  Every third warp thread may be woven 2-and-1 twill with the intervening threads woven plain, or the weave may be entirely plain.  Labels having a non-adherent finger grip may be cut from a tape having a non-thermoplastic edge or from a wide fabric having non-thermoplastic stripes; or a finger grip may be provided during application by omitting to apply heat and pressure to one end of the label.  A fabric for use as an interlining may have a stiffening treatment applied to it. Specifications 399,534, 561,989, 650,910, 735,236, 735,280, 776,789 and 849,439 are referred to.