baber/WOPTO huggingface dataset:
Patent GB-1435894-A (GB)
Title: Production of isocyanates
IPC: C07C265/14
Filed: 1972-07-21
Abstract: 1435894 Isocyanates from furoxans IMPERIAL CHEMICAL INDUSTRIES Ltd 29 June 1973 [21 July 1972] 34203/72 Heading C2C Isocyanates are obtained by thermal decomposition of furoxans of formula wherein R and R<SP>1</SP>, which may be the same or different, are separate groups in which the atom directly linked to the furoxan ring is an aliphatic carbon atom (i.e. is not part of an aromatic ring system) or R and R<SP>1</SP> are linked one to another as part of an alicyclic ring system. The furoxans are themselves obtained by adding dinitrogen trioxide to a cyclic olefin to form the pseudonitrosite which is then converted to a furoxan, either directly by heating in the presence of a dehydrating agent, or in two stages via a nitrooxime intermediate. The isocyanates are preferably removed from the reaction zone by reaction with a trapping agent, e.g. an alcohol or amine to form the corresponding carbamate or urea derivative respectively.
Patent GB-602083-A (GB)
Title: Improvements in and relating to hangers for use in drying or airing wearing apparel and the like
IPC: D06F59/02
Filed: 1945-12-18
Abstract: 602,083. Coat hangers. MOTHERSILL, J., and MOTHERSILL, A. V. Dec. 18,1945, No. 34206. [Class 52(v)] A centrally suspended garment hanger comprises a straight tubular element 2 having a slot 10 to receive a lower extension of a flat metal clip 6 bent at the upper end to form a positive non-creeping grip for engaging a clothes line. The clip is held within the slot by split rings. Telescopic tubular extensions 3 may be provided. The hanger parts may be of metal or plastic material, and may be provided with spring clips &c. for gripping the garment.
Patent GB-448503-A (GB)
Title: Improvements relating to cradles
IPC: A47D9/02
Filed: 1934-11-28
Abstract: 448,503. Cradles. GREEN, M., GROVER, R., and PRECIOUS BABY BATH, Ltd., Cobbold Road, Church End, London. Nov. 28, 1934, No. 34232. [Classes 52 (ii) and 52 (v)] A cradle j is suspended by chains j<1> and springs k from members h, g secured on bolts d which act as pivots for the two side frames which comprise the stand for the cradle. The members h, g are provided with holes h<1>, g<2> in which the ends of the cradle supporting springs k may be hooked so that the cradle can be supported in either of two positions. The two, side frames comprise upright transverse members a secured by longitudinal bracing c and may each be provided with a longitudinal brace member b which acts to stop the cradle swinging when in its lowermost position. The pivots d of the supporting side frames may be connected by a spring i and arms m may be provided for supporting a canopy l.
Patent GB-1474858-A (GB)
Title: Apparatus for making or breaking electrical contact in an electrical circuit
IPC: H01H13/52
Filed: 1975-08-18
Abstract: 1474858 Mechanical switches D R KEMPF 18 Aug 1975 [3 Sept 1974] 34259/75 Heading H1N In an electric switch the movable contacts 70, 72 Fig. 4 are on torque applying arms 66, 68 of torsion beams 62, 64, the second torque arms 58, 60 of which are fixed. In the particular embodiment the contacts, arms, and beams are integrally formed from bent wire and are mounted on a base 22 by heat deformable blocks 76, and have integral terminal ends 54, 56 extending through the base. The contacts are actuated by a button 24 slidable on cooperating projections 30-36 and grooves 38-42 which may be of different widths to ensure correct orientation. On depression the bent ends 70, 72 are arranged to engage the opposed torque-applying arms 66, 68 whereby two circuit connections are made between each pair of contacts. In modifications the fixed arms 58, 60 of the contacts may be clipped behind flexible lugs on the base.
Patent GB-212327-A (GB)
Title: Apparatus for preventing waste of water in baths and the like
IPC: E03C1/242
Filed: 1922-12-15
Abstract: 212,327. Haden, W. N., Haden, C. I., and Horton, F. H. Dec. 15, 1922. V a l v e - discharge water-waste preventers. -The discharge valve 15 is normally held raised by the engagement of a wedge 16 beneath a roller 17 at the top of the valve rod 14. When the wedge is withdrawn by hand the valve 15 closes and the float 11, which is normally held up by means of an arm 12, falls and the supply valve 2 is opened. At a predetermined level the float cuts off the supply; the height at which this takes place may be adjusted by altering the angle between the arms 10, 12, both of which are connected to a crossbar 7.
Patent GB-309967-A (GB)
Title: Improvements in trawl net rollers
IPC: A01K75/06
Filed: 1927-12-19
Abstract: 309,967. Stephenson, J. E. Dec. 19, 1927. Trawling-gear.-In place of the usual ground rope with rollers, there is provided a number of links with spherical ends which support rollers and are secured to the balch-line. Each roller 3 has ;spherical seatings 5 in which are secured balls 8 on the ends of links 6, 7; adjacent ends of these links are jointed loosely by pins 15, the joint being given limited movement in one direction so that as the net is towed along the ground the links form a continuous line and a roller can drop below but cannot rise above the plane of the other rollers. Each pin 15 is connected by a flexible wire rope 23 or a rigid bow to the adjacent pins and the rope or bow is secured to the balch-line 22. Curved links may be used at the sides of the net-mouth in order that the rollers may rotate about parallel axes.
Patent GB-488008-A (GB)
Title: A process for the production of cerium compounds
IPC: C01F17/00
Filed: 1937-12-10
Abstract: Basic cerium sulphate, suitable for use as a white opacifier for enamels, is obtained by diluting with water a sulphate solution containing tetravalent cerium and other cerite earths which is as free as possible from fixed alkalies.  Small quantities of ammonia may, however, be added during the precipitation of the basic sulphate, which may be washed with dilute acid to remove traces of didymium compounds.  A mixture of cerite hydroxides obtained from a mineral such as monazite sand may serve as initial material, in which case either the hydroxides or the sulphate solution may be treated with oxidizing agents such as hydrogen peroxide, oxygen, or chlorine to convert their cerium content to the tetravalent form; or the sulphate solution may be subjected to anodic oxidation. Precipitation of cerite hydroxides for use in the process may be effected by adding the mixed salts in a solid or dissolved state to the alkali solution, whereby the precipitated hydroxides may be readily washed free from alkali. The basic sulphate may be calcined at 800-1100 DEG  C. to yield the oxide, and the usefulness of both sulphate and oxide as an opacifier may be improved by adding small amounts of a basic alkali or alkaline-earth compound, alumina, silica, or an alkali silicate.
Patent GB-803269-A (GB)
Title: Improvements in and relating to fusion kettles for naphthalene and the like
IPC: B01J6/00
Filed: 1956-11-09
Abstract: 803,269. Melting cauldrons. UNIONCHEMIE E. P. JAGER IMPORT-EXPORT CHEMISCHER ANLAGEN UND ROHSTOFFE. Nov. 9, 1956 [Nov. 11, 1955], No. 34393/56. Class 107 [Also in Group XIII] A kettle for melting naphthalene, resins, &c., has a tubular body 1 provided with a delivery tube 14 and a heating device 9 covered by a perforated plate 15 to hold back impurities, a hopper 3 and a vent 16 being provided in the upper part of the kettle. Glass inspection windows 17, 18 and a hinged lid 5 for the hopper are provided while the plate 15 is made in sections which can be passed through an opening 7. The device 9 may be a steam coil which is integral with a cover 8 and supported by cross-members 10, 11 carried by a ring 12.
Patent GB-775543-A (GB)
Title: Improvements relating to electromagnetic carbon-pile regulators
Inventor: NIXON LESLIE REGINALD
IPC: H02P9/22
Filed: 1952-12-31
Abstract: 775,543. Carbon pile regulators. STONE & CO. (DEPTFORD), Ltd., J. Dec. 18, 1953 [Dec. 31, 1952], No. 34442/55. Divided out of 775,541. Class 37. The subject matter of this Specification is substantially the same as that of Specification 775,541 and relates to an electromagnetic carbon pile regular in which an electromagnet acts on a carbon pile through a pivoted armature, and in which the electromagnet and carbon pile elements are sealed in an inert atmosphere. The claims relate to the disposition of the electromagnet with the magnetic axis of its core portion transverse to the prolongation of the pile axis. Specifications 725,793, [Group XXXV], 775,542 and 775,544 also are referred to.
Patent GB-819643-A (GB)
Title: Method and apparatus for spray-drying solutions, dispersions and emulsions
IPC: B05B15/50
Filed: 1955-12-02
Abstract: 819,643. Spray evaporators; drying milk. LUWA A.G. Dec. 2, 1955 [Dec. 11, 1954], No. 34597/55. Class 32. [Also in Group XXIX] In a method of spray drying wherein a solution, dispersion or emulsion, comprising a. volatile liquid and a non-volatile constituent, is sprayed into a drying chamber, the deposition of the non-volatile constituent on the spraying device is obviated by supplying, to those parts of the device on which such deposition is liable to occur, a mixture of a gas and the vapour of a volatile liquid which prevents evaporation of the volatile liquid from the substance being sprayed at those particular parts of the device. In drying milk, the " blocking gas " is a mixture of air and water-vapour. The spraying device shown has a disc 20 mounted on shaft 10 which rotates in bearing 11. The bearing is mounted in supports connected with tube 15 which is fixed in the wall 15a of the drying chamber. The oil used for lubricating the bearing is guided by splash-ring 27 into an oil sump formed in bearing support 13, from which it is discharged through a conduit (not shown). The liquid to be sprayed is conveyed through a conduit (not shown) to annular duct 24, from which it passes through two small tubes 24a to the disc 20. This disc has an upstanding rim which forms a shallow well, the top of which is partly closed by annular plate 23. The liquid discharged from tubes 24a spreads along the bottom of the well in the rotating disc, and is sprayed out into the drying chamber through radial openings 21 in the rim of the disc. Hot gas flows through the drying chamber in either the same direction or the opposite direction to the sprayed liquid. In a specific example, milk is dehydrated using air at 140  C. as drying gas. In order to avoid incrustation in the space 19 between the rotating disc and the fixed plate 18, it is arranged that air containing water-vapour, at a temperature of about 50 C., flows continuously through the space. This is achieved by supplying air and water-vapour through conduits 14 and 26, respectively, to mixing chamber 16, from which the mixed gas flows through openings 17 into the space 19. The blocking gas flows from space 19 under a flange at the end of tube 15 into the drying chamber, the rotation of the gas being prevented by vanes 18a on the side of plate 18 facing the disc. The end of tube 15 may be made to project somewhat beyond the rim of disc 20 so as to approach the nozzle openings 21 as closely as possible ; blocking gas flowing out of space 19 can thus be brought into the immediate vicinity of the nozzles without being diluted by drying gas. In another embodiment, three currents of blocking gas are passed to the rotating disc, one of them being supplied via a bore-channel in the shaft. A rotating disc provided with radial blades may be used for spraying the liquid. A fixed spraying nozzle may also be used.
Patent GB-1101357-A (GB)
Title: Improvements in or relating to the screening of cables
Inventor: OSTERFIELD JOHN RICHARD
IPC: H01B11/10
Filed: 1963-09-02
Abstract: 1,101,357. Making cable sheaths. PIRELLI GENERAL CABLE WORKS Ltd. 11 Aug., 1964 [2 Sept., 1963], No. 34614/63. Heading B3A. [Also in Division H1] The screen of a communications cable consists of a steel tube formed of a tape welded longitudinally of the core adjacent a further tube of higher electrical conductivity, e.g. lead, copper or aluminium. The two tubes may be applied to the core separately by longitudinal wrapping and welding or a single two-layer laminated tape may be folded round the cable and its edges butt welded. The tubes may be corrugated to provide flexibility for the cable.
Patent GB-367041-A (GB)
Title: Improvements in or relating to racks
IPC: A43D117/00
Filed: 1930-11-18
Abstract: 367,041. Shoe racks. BRITISH UNITED SHOE MACHINERY CO., Ltd. and JONES, C. T., Union Works, Belgrave Road, Leicester. Nov. 18, 1930, No. 34647. [Class 52 (v).] In a shoe rack the positioning means for the shoes are so arranged that the axes of the shoes converge toward the operator to facilitate handling. The preferred form embodies shelves 13, supported by uprights 1, and having gaps arranged in pairs and fitted with a displaceable transverse bar 31 which. can, if desired, be placed across the gaps to enable the shoes to stand on their bottoms. In order that the racks may occupy a predetermined position with regard to the machine operator, stops 3, 7, Fig. 4, or other positioning devices may be provided on the floor.
Patent GB-522009-A (GB)
Title: Improvements relating to hammocks, and to garden couch hammocks or lounges
IPC: A45F3/24
Filed: 1938-11-29
Abstract: 522,009. Hammocks. VAUGHAN, E. Nov. 29, 1938, No. 34687. [Class 52 (ii)] A hammock comprises a canvas bed d connected to two horizontal rails e, f connected together at their ends by detachable, bars g the hammock being carried by vertical supports h from a frame comprising triangular ends a with a connecting bar b having a canopy c. The supports h are hinged at h' so that the hammock may be raised to an upper position bodily or inclined downwardly from the rear to the front by means of the hooks engaging apertures h<SP>2</SP> in the supports' h. The canvas bed may be secured to the rails e, f by means of a wired beaded edge being secured by staples i<SP>2</SP> in a groove i' in the rails.
Patent GB-501091-A (GB)
Title: Improvements in or relating to roller guards for helically guided gasholders
IPC: F17B1/00
Filed: 1937-12-16
Abstract: 501,091. Gas holders. LIVERPOOL GAS CO., and NICOLL, H. Dec. 16, 1937, No. 34801. [Class 54] The roller-guards of a helically guided gas holder are mounted so as to permit of a limited movement circumferentially and radially of the holder. In the construction shown the roller-guard comprises a cover plate 22 having downwardly curved ends and formed with a notch 28 shaped to receive the guide rail 10. A portion 30 of the cover plate 22 is welded to a flanged bar 32 secured by screws 34 to the main portion of the cover plate. The cover plate is supported by a bracket 18 which is bolted to the roller bearings 13, 14 and carries pins 21 engaging elongated' holes in a flange 23 on the cover plate and a flange 24 on the bar 32. Pins 26 on the cover plate engage the grooves of the rollers 11, 12 and cause the cover plate to follow the axial movement of the rollers. The flange 24 may be extended at 24<1> to enclose the space between the roller 12 and the guide rail, The detachable cover plate portion 30 may be turned upwardly to form a scraper engaging the guide rail. In an alternative construction the cover plate is supported by rollers on the pins 26 engaging the rollers 11, 12, the end of the cover plate being extended around the roller 12 sufficiently to prevent the removal of the cover plate by simply raising it.
Patent GB-482002-A (GB)
Title: Improvements relating to temperature responsive electric switches
IPC: H01H37/66
Filed: 1936-12-18
Abstract: 482,002. Thermal switches. COPE, H. A. (Fabrik Elektricitats Apparate F. Sauter Akt.-Ges.) Dec. 18, 1936, No. 34907. [Class 38 (v)] In a thermostatic switch having a thermal element such as an expanding tube 3 mounted on one side of a base plate 1, the plate carries by means of supports 1<1> a metal plate 6 which carries the movable contact spring 10 so that it lies in a recess between the plates 1, 6 and the supports 1<1>. The plate 6 also carries a magnet with poles 7<1> and an insulating plate 8 carrying the fixed contact 13. The spring 10 carries the movable contact 12 and an armature 11 co-operating with the magnet to provide a quick action to the switch. The tube 3 is connected at its lower end to a non-expanding rod 4 which passes upwards through a hole in the spring 10 and carries an adjustable screw 5 bearing down on the spring. The Figure shows a two-way switch, there being a lower fixed contact 17. In a modification, Fig. 4 (not shown) the screw 5 bears on a lever which in turn bears on the spring 10.
Patent GB-199749-A (GB)
Title: Methods of producing laminated oscillatory bodies
IPC: H04R7/06
Filed: 1921-12-29
Abstract: 199,749. Baron, H., (Signal Ges.). Dec. 29, 1921. Reciprocating and oscillating machines; electromagnets.-In constructing a combined diaphragm and laminated armature for use in telephone instruments, gramophones, phase regulators, massage apparatus &c., the armature is inserted in an aperture or recess in the diaphragm in such a manner that the weight of the diaphragm and armature is substantially the same as the weight of the diaphragm before the aperture &c. was made. As shown, the armature is formed from a block of laminae a, Fig. 1, held together by plates p<1>, p<2> welded to their edges. The block is turned in a. lathe so as to leave a core and the core is inserted into a hole in the diaphragm m and welded in position by metal s. Finally the parts of the block extending beyond the broken lines, Fig. 3, are cut off so as to :form the combination shown in Fig. 4. The armature may be screwed into the diaphragm instead of being welded and may be quadrilateral in section instead of circular. In alternative methods, the laminae are inserted in the hole in the diaphragm and secured therein either by pressing the material of the diaphragm inwardly against shaped edges of the laminae or by pressing the edges of the laminae against the hole, the laminae bemg tightly squeezed together by wedgeshaped laminae. In another form, the laminae are inserted in a recess which extends almost through, the diaphragm. The laminae may be coated with a cementing agent.
Patent GB-828186-A (GB)
Title: Timing device for fuel injection pump
Inventor: SZLAGA EMIL V
IPC: F02D1/00
Filed: 1957-11-09
Abstract: 828,186. Fluid-pressure servomotor-control systems. CONTINENTAL MOTORS CORPORATION. Nov. 9, 1957, No. 34990/57. Class 135. An arrangement for varying the timing of a fuel injection pump consists of a centrifugal weight carried by an arm actuating a valve for controlling the supply of pressure fluid, such as lubricating oil, to a vane-type coupling in the pump drive, to vary the relative angular setting of the vanes in accordance with engine speed. As shown, the pump 12 is driven from gearing 16, 17 through a shaft 14 engaging the driving vanes 27 mounted in a circular casing 21 carrying the inwardly-projecting driven vanes 26, the casing 21 being secured to a pinion 22 meshing with the pump pinion 23. The vanes 26, 27 define compartments A, B, C, D in a chamber formed by the casing 21 and a partition 36, the latter supporting the control mechanism consisting of the pivoted arm 39, one end of which is formed as the centrifugal weight 41 which is attached to a counterbalancing spring 43, while the other end is connected to the control valve 50. The latter is operated by movement of the weight 41 in response to variations of engine speed to control the supply and exhaust of pressure liquid through ports 60, 61, 62, 63 to and from the compartments A, B, C, D, and thus vary the relative angular positions of the vanes. Movement of the driving vanes 27 is limited by stops 29 on the casing 21.
Patent GB-1017606-A (GB)
Title: Synthetic resin flameproofing of textile materials
IPC: C08G79/06
Filed: 1962-09-14
Abstract: A composition for flame-proofing textiles comprises an aqueous resin-forming solution of (1) a hydroxy-organophosphonium chloride, (2) a water-soluble cyclic N-containing compound, selected from triazines and dimethylol cyclic alkylene ureas, (3) an aldehyde-combining compound selected from lower alkanolamines, secondary lower alkyl amines, heterocyclic amines, reactive methylene compounds having acidic hydrogen and sulphite compounds, (4) thiourea, and (5) one or more catalysts selected from Mg, Zn, and N-containing salts of strong inorganic acids.  The proportions of the components are preferably 10 to 30% (by weight) of (1), 5 to 15% of (2), 0.9 to 2 moles of (3) per mole of (2), 2.5 to 10% of (4), 1 to 10% of (5) and 35 to 70% of water.  Compounds (1) specified are tetrakis (hydroxyorgano)-phosphonium chlorides in which the hydroxorgano radicals are hydroxymethyl, a -hydroxyethyl, a -hydroxypropyl, a -hydroxypropenyl and a -hydroxybutenyl radicals. If desired, the compounds (1) may be used in a partially polymerized form.  Compounds (2) specified are methylol melamines, polymethylol melamines, dimethyloltriazones, the trimethyl ether of methylolmelamine, dimethylolethylene urea and dimethylolpropylene urea.  Numerous examples of compounds (3) and catalysts (5) are given. If desired, the catalyst can be formed in situ. Examples are given.ALSO:A textile material is rendered flame-retardant by impregnating it (as by immersion or spraying) with an aqueous solution which comprises (or successively with aqueous solutions which between them comprise) (1) a hydroxyorganophosphorium chloride, (2) a water-soluble cyclic N-containing compound selected from triazines and dimethylolcyclic alkylene ureas, (3) an aldehyde-combining compound selected from lower alkanolamines, secondary lower alkylamines, heterocyclic amines, reactive methylene compounds having acidic hydrogen and sulphite compounds, (4) thiourea and (5) one or more catalysts selected from Mg, Zn and N-containing salts of strong inorganic acids (see Division C3), heating to cause polymerisation, drying and curing the resin-impregnated textile material.  Drying and curing of the treated cloth can be effected in a forced hot air oven, or the dried resin-coated cloth can be cured in an infra-red oven.  Examples are given in which cellulosic material is treated by the above process.
Patent GB-1373724-A (GB)
Title: Radio receivers
IPC: H03J3/18
Filed: 1972-07-27
Abstract: 1373724 Radio receivers; AM - FM reception PHILCO-FORD CORP 27 July 1972 [27 July 1971] 35209/72 Headings H3Q and H3R A radio receiver has voltage variable tuning elements 7 and means 18 responsive to the occurrence of a declining supply voltage to terminate radio operation at a level of the supply voltage at which the receiver would otherwise operate. In the automobile radio shown the AM-FM selector switch 9 is in the FM position and with the ignition and radio switches on a transistor 10 conducts the supply to voltage variable capacitor elements 7 in the FM portion 6 and to a source of varable tuning voltage 8. A Ge diode 11 also conducts to lower the voltage applied to the AM circuits 5 so that they do not operate. When the selector 9 is in the AM position the transistor 10 and diode 11 are non-conductive. When the radio 3 and an accessory 4 including a motor 17 are on, if the ignition switch 2 is now turned off during run down the electric motor 17 acts as a generator to provide a declining voltage to the radio. In order that this declining voltage does not produce a tuning sweep of the circuit 6 and undesirable noise at the radio output a voltage sensitive relay 18 operates to disconnect the supply to the radio between AB when the supply voltage falls to the predetermined level. The relay 18 is adjusted to pull in to connect AB at the lowest battery voltage and drop out to disconnect AB at the maximum line value maintained by the coacting electric motor. In a modification (Fig. 2, not shown) the relay is replaced by a zener diode (19) in the base circuit of the transistor 10 so that when the ignition switch 2 is turned off the zener diode can no longer supply base current and the transistor 10 and FM circuits are turned off.