baber/WOPTO huggingface dataset:
Patent GB-742925-A (GB)
Title: Manufacture of leuco sulphuric acid esters of anthraquinoneazo-dyestuffs
IPC: C09B43/24
Filed: 1952-05-30
Abstract: Leuco sulphuric acid esters of anthraquinone - azo - dyestuffs, of the general formula:- <FORM:0742925/IV(c)/1> (wherein x represents hydrogen or halogen and R a radical of the benzene series), are manufactured by treating an azo-dyestuff from a diazotized 2-aminoanthraquinone or a 3-halo derivative thereof and an acetoacetylaminobenzene with chlorosulphonic acid or other agent yielding SO3, in the presence of a tertiary base and a metal, and reacting the resulting tertiary base salt of the leuco-ester with sodium carbonate.  The products yield yellow dyeings of good dischargeability, e.g. on cotton, rayon or viscose staple fibre.  In examples: (1) the dyestuff 2-amino-3-chloro-anthaquinone--> acetoacetylaminobenzene is treated with chlorosulphonic acid in the presence of a pyridine fraction and iron powder, and the product is treated with sodium carbonate solution; the diazo component may be replaced by the corresponding bromo compound; (2) the pyridine fraction in the first part of (1) is replaced by a  picoline; the coupling component may be replaced by 1-acetoacetylamino-4-chlorobenzene; (3) the coupling component in (2) is replaced by 1-acetoacetylamino-2-methoxybenzene; (4) the diazo component in (1) is replaced by 2-aminoanthraquinone; (5) the dyestuff 2-aminoanthraquinone --> 1 - acetoacety - lamino-4-chlorobenzene is treated with chlorosulphonic acid in the presence of pyridine and iron powder and the product is treated with sodium carbonate solution.  A list of additional coupling components is given.
Patent GB-769570-A (GB)
Title: Air speed indicator
IPC: G01P1/00
Filed: 1954-05-12
Abstract: 769,570. Eddy-current vibration-dampers. KOLLSMAN INSTRUMENT CORPORATION. May 12, 1954 [Dec. 1, 1953], No. 13872/54. Class 108(3). [Also in Group XIX] In an air speed indicator (see Group XIX), a hollow indicator drum 43 of electrically conductive but non-magnetic material, has magnets 46, 47 arranged on each face as shown to damp its motion. In a modified construction, instead of the indicator drum 43 acting as part of the damping means, a metallic cylinder of non- magnetic material is mounted on, or is driven at a higher speed than the indicator drum by, the shaft 42, the cylinder being arranged to co-operate with magnets.
Patent GB-550900-A (GB)
Title: Improvements in liquid-sealed closures for vertical retorts
IPC: C10B1/04
Filed: 1941-10-29
Abstract: 550,900. Discharging doors for furnaces or retorts. WOODALL-DUCKHAM (1920), Ltd., and JACKSON, G. J. Oct. 29, 1941, No. 13899. [Classes 51 (i), 51 (ii) and 55 (i)] A liquid sealed closure for a vertical retort or furnace comprises a liquid containing member 7 which is suspended by parallel links 8, 9 from the outlet hopper 6 so that it can be moved parallel to itself to a position (Fig. 2) below and to one side of the outlet and back again without tilting, thereby obviating spilling of the liquid. A liquid overflow 15 maintains the correct liquid level in the seal. A pivoted plate 16 supports the material in the retort above the surface of the sealing liquid, and, when the member 7 is swung aside, a cam surface 18 maintains the plate 16 in position by engaging fingers 19 on the plate until the edge 17 begins to bear on ribs 16b below the plate 16. In a modification, the plate is operated by a shaft to which it is secured and not by contact with the edge of the member 7. Specification 159,108, [Class 51 (i)], is referred to.
Patent GB-650494-A (GB)
Title: Improved transmission for bicycles
IPC: B62M17/00
Filed: 1949-03-24
Abstract: 650,494. Change-speed gear. SHEPHERD: R. W. J. March 24,1949, No. 13937/48. [Class 80(ii)] [Also in Group XXXI] . A bevel-geared shaft-drive for a pedal-cycle includes a direction-reversing spur-pair 19, 20, arranged, as shown, at the rear between a propellershaft 11 and a counter-shaft 21, carrying a bevel 22 meshing with that, 23, fast to the road-wheel hub 24, or, in a modification, arranged at the front between the pedalcrank bevel 1 and the propeller shaft. The reversing-pair provides for correct direction of wheelrotation with both end shaft-bevels arranged between the axes of the wheelhub and pedal-crank and both on the same side of their meshing bevels. A balanced drive is provided by the use of duplicated gearing, with a propeller shaft 11 arranged inside the lower frame tube 13 on each side of the cycle. The pedal-crank spindle 2 drives its bevel 1 through a ratchet-clutch 4. Three speed-ratios are provided by three rings 5, 6, 7 of bevel teeth on each face of the pedal-crank wheel 1, meshing freely-mounted pinions 8, 9, 10, which are selectively clutched to their propellershaft 11 by a single feathered dog 40, which clutches the bevel-pinions 8, 9 directly and the pinion 10 through 9, which last-named pinion (9) is moved simultaneously out of mesh with its driving ring 6 by the dog 40 when the latter is moved to the extreme rear against a spring 43, which is stronger than a spring 42 opposing its movement from the pinion 8 to 9. Dogs 40 on both sides of the wheel 1 are controlled simultaneously through a Bowden-operated forked lever 44.
Patent GB-1010173-A (GB)
Title: Improvements in and relating to pianos
IPC: G10C1/02
Filed: 1962-04-11
Abstract: 1,010,173. Pianos. G. G. A. BOLIN. April 11, 1962 [April 12, 1961], No. 13937/62. Heading G5J. The sounding board of a piano decreases in thickness from a region adjacent the base belly bridge and part of the treble belly bridge to a reinforcing rim extending around the sounding board. Piano frame construction (Figs. 1 and 2).-The frame is of welded construction, four rectangular members 14, 10, 14, 18 constituting the sides. A cross-bar 20 unites one side to the base and the upper strings are fastened between this bar and portion 22 of the top member. A further cross-bar 24, roughly parallel to bar 20, provides an anchorage for the lower strings which are fastened between it and portion 26, the two groups of strings being located in different planes. Further stiffening bars 32, 34 are provided, the former uniting the frame base to the upper part of one of members 14 and the latter uniting bar 20 to the lower part of the other member 14. Portions 20, 32, 34, 36 may be of higher quality than the remainder of the frame. Sounding board construction (Figs. 3, 4, 8).- This is of wood and is glued to a wooden rim 38. The rim is supported by screw connections from the back of the frame in the manner shown in Fig. 4 so that by selectively tightening studs 40 into the frame the sounding board may be appropriately tensioned. The upper register belly bridge 48 is glued to the sounding board and a further belly bridge 50 (see below), visible in Fig. 3, serves the same purpose for the lower register strings. The rim 38 may be slotted adjacent to the end of bridge 48 and the bridge may be provided with slots in its under surface or that it does not touch the sounding board along its entire length but is relatively free near its upper register end. Fig. 8 shows a contour diagram for the sounding board of a grand piano which conducts the increasing thickness of the sounding board towards the region adjacent the lower register belly bridge 50 and the lower register end of the upper belly bridge 48. The back of the sounding board is provided with stiffening members 58. Lower register belly bridge (Figs. 1 and 6).-A section of this bridge is shown in Fig. 6. The high frequency end is joined directly to the sounding board; the lower frequency end does not touch the board but is joined to a triangular plate 76 attached to an auxiliary bridge 74 (see Fig. 1). Further details.-A flat bridge 80 resting on portions 32, 34 of the frame may be used to increase the pressure of the lower register strings and the sounding board. The frame and sounding board are inclined rearwardly between 5 and 6 degrees. A wrest plank 44 is provided on the upper part of the frame and the case of the piano is attached to brackets 92.
Patent GB-595028-A (GB)
Title: Receptacle for holding hypodermic needles
IPC: A61M5/00
Filed: 1945-06-04
Abstract: 595,028. Sterilizing - containers for hypodermic needles. BORGEAT, D. June 4, 1945, No. 14018. [Class 81 (i)] A device for holding hypodermic needles comprises a receptacle adapted to contain fluid, a needle deck slidably mounted in the receptacle to support the needles with their points in space, a rod extruding through the receptacle, a guide tube for the rod and a spring on the rod for urging the deck upwardly. In Fig. 5, the receptacle B is provided with a screw cap 67 with a gasket 68, the cap having apertures 70 enabling access to the interior of the vessel by boiling sterilizing fluid when the cap is only partly unscrewed. The underside of gasket 68 may be provided with projections, thereby forming channels through which the liquid may circulate. The needle deck 48, which is formed with peripheral notches to allow circulation of the sterilizing fluid, is slidably mounted on a rod 51 of square cross-section and is supported on and urged upwardly by spring 53. The rod is mounted in guide tube 54, its movement being limited by the engagement of a pin 56 in slot 55. A second spring 60 serves to lift the rod well above the surface of the deck. The deck may be locked in the vessel by the engagement of bayonet slots 64 with projections 65. In another construction, the rod is secured to the needle rack, and no spring corresponding to spring 60 is present. In a further construction, the rod is circular and slidably mounted in the deck, but is formed with a notch adapted to engage a projection in the bore of the deck, whereby the latter may be lifted. Fig. 11 shows a deck for holding double-ended needles, the enlargements thereof being disposed in sockets 89 in plates 85, the sockets communicating with the periphery of the plates by slots. The lower plate is force fitted on the shaft and a spring 90 is disposed between it and the upper slidable plate'. A length of tubing 93 acts as a spacer between the deck and the screw cap.
Patent GB-1029127-A (GB)
Title: Improvements in or relating to the manufacture of mouthpiece cigarettes
IPC: A24D3/02
Filed: 1964-04-06
Abstract: 1,029,127. Tobacco smoke filters. T. ROWLANDS (MOLINS MACHINE CO. Ltd.). April 5, 1965 [April 6, 1964], No. 14020/64. Heading A2C. A method of producing stubs for cigarettes comprises feeding axially a continuous rod of stub material, cutting the axially moving rod at intervals to produce sections of stub rod 1 each of which is of a length a little in excess of an exact multiple of a stub to be produced, trimming each section by cutting off the excess at at least one end of the section, and dividing the trimmed section into suitable stub lengths, the steps of trimming and dividing being performed while the sections are moving transversely of their length. The cutting of the rod length 1 into sections and the trimming off of the excess is accomplished by disc knives co-operating with a fluted drum in which the lengths 1 are conveyed.
Patent GB-785676-A (GB)
Title: Cup brush
Inventor: BENYAK JOHN BERNARD
IPC: A46B7/10
Filed: 1956-05-07
Abstract: 785,676. Brushes. OSBORN MANUFACTURING CO. May 7, 1956, No. 14091/56. Class 19. To form a cup brush there is provided a flat disc 1 having a plurality of holes 2 symmetrically arranged adjacent its outer periphery, and tufts 4 of bristle material are inserted through said holes and twisted upon themselves. The disc is deformed to a cup shape with said tufts extending generally parallel to one another and to the axis of the disc and is then press-fitted into a cup-shaped holder 16. A tubular member 14 is inserted tightly within the cupped disc and is axially compressed so that the inner end of the member 14 engages beneath the doubled inner end portions of the tufts and the outer end of the member is expanded outwards towards the turned-in portion of the holder 16 to form a constricted neck through which the tufts emerge.
Patent GB-1490877-A (GB)
Title: Ice cutting apparatus for vessels operating in ice covered waters
IPC: B63B35/44
Filed: 1975-04-07
Abstract: 1490877 Ice cutters SEA-LOG CORP 7 April 1975 [8 April 1974] 14112/75 Heading E1H An ice cutter fitted to a column 20 supporting marine platform 14 comprises a vertical shaft 24 rotatably supported by the column and a plurality of radial cutter arms 26 projecting from the shaft. The cutter arms terminate at their outer ends in cutting edges and at least some of the cutter arms have a top surface 48 inclined at an angle to the horizontal plane of movement of the cutter arms.
Patent GB-679477-A (GB)
Title: Improvements in or relating to diesel-electric generating sets
IPC: H02P9/08
Filed: 1949-05-27
Abstract: 679,477. Transmitting mechanical power. GENERAL ELECTRIC CO., Ltd., and TURRALL, J. C. May 25, 1950 [May 27, 1949], No. 14258/49. Drawings to Specification. Class 38 (iv). In a diesel-electric generating set, such as used in the propulsion of small shunting locomotives, in which the diesel engine is started by motoring the generator from an auxiliary source, such as a battery, the connection of the battery to the generator is effected by hand- or foot-operated starting means which may be operated only if the pressure in the lubricating system of the engine has been raised to a predetermined value. The starting means may be in the form of a drum controller having a first position into which it may be moved (against spring bias) to start up a lubricating oil pump, a second position into which the drum moves when a pressure-operated interlock releases and in which connection of the battery to the generator occurs, a third position in which the engine (now self-running) runs without load, a fourth position in which the generator is connected to the traction motors, and fifth position in which the controller is " off ".
Patent GB-387890-A (GB)
Title: Method of manufacturing regenerated silk yarn
IPC: D01F4/00
Filed: 1932-05-19
Abstract: Fibroin (silk) dissolved in ammoniacal copper or like solution is spun into a coagulating bath consisting of an alkali salt or salts and an amount of acid insufficient to convert it entirely into acid salt.  The bath may contain also other soluble salts such as magnesium sulphate or alum, and also grape sugar.
Patent GB-1442382-A (GB)
Title: Supports for cameras
IPC: F16M11/12
Filed: 1973-10-15
Abstract: 1442382 Bearings J M MILLER and R E MILLER 15 Oct 1973 [25 Oct 1972] 14277/75 Divided out of 1442381 Heading F2A [Also in Division E2] A support head for rotating a camera when supported thereon comprises a casing 9 having a tapered bore 50 therein; a corresponding tapered block 10 which is rotatable within the bore 50; means 42, 51 permitting attachment of a camera to the head; sealing means 20A, 20B to maintain an hydraulic fluid between the tapered surface; means for causing axial displacement of the block 10 with respect to the casing 9 comprising a rod 52 attached to and protruding from the casing 9 and extending into a coaxial passage 56. Fig. 1 (not shown) illustrates an embodiment where a block 17 is displaced axially by a jacking screw 23 in a second block 15 attached to the block 17, by pressure against the end of a rod 28. The jacking screw 33 may be replaced by a piston and cylinder arrangement which applies an hydraulic force to the end of the rod 28. Reference is made to co-pending Specification 1,442,381 which has identical description but different claims.
Patent GB-1291807-A (GB)
Title: Improved composition and method for the dispersion of oil pollution
IPC: C02F1/68
Filed: 1971-05-11
Abstract: 1291807 Oil emulsion SOC KALIANA RESINE SpA 11 May 1971 [12 May 1970] 14334/71 Heading B1V [Also in Division C1] A composition for dispersing oil on a surface, e.g. sea, beach or harbour equipment, comprises 20-25% by wt. of a non-ionic surface active material and 75-80% by wt. of alkylbenzenes, the alkylbenzenes content comprising at least 60% by wt. of diisopropylbenzenes. The alkylbenzenes may comprise the bottoms fraction boiling at 200-205C produced in the production of cumene by catalytically reacting benzene and propylene. The surface active agent may be a reaction product of a mono- or polyalkyl phenol, aliphatic alcohol (e.g. having more than 8 C atoms per molecule) or aliphatic acid with ethylene oxide, propylene oxide or a polyethylene glycol (e.g. having M.W. of 4000- 6000). The alkyl phenols may have 5-18 C atoms in the alkyl groups, e.g. diamyl phenol, pteroctyl phenol and nonyl phenol. The composition may be emulsified with water prior to use. The composition may be sprayed on the surface.
Patent GB-376421-A (GB)
Title: Camera actuating mechanism
IPC: G03B35/04
Filed: 1931-05-14
Abstract: 376,421. Change-speed gearing. KANOLT, C. W., 450, 4th Avenue, New York, U.S.A. May 14, 1931, No. 14349. [Class 80 (ii).] Variable speed gearing for driving photographic cameras consists of reducing trains comprising two sets of gear wheels 17, Figs. 3 and 7, and pinions 16 integral therewith mounted freely on parallel shafts 10, 14 and disposed so that the pinions of one series mesh with the gear wheels of the other. The first wheel of the train is driven from a motor through the worm gearing 4 and toothed wheel 8, and the drive is transmitted to a shaft 45 by a gear wheel 50 which is slidably splined thereon and carried by an arm 57 adjustably clamped to a stationary spindle to engage the gear wheel with any one of the wheels 17, Fig. 3, which are constantly rotating at different speeds.
Patent GB-936807-A (GB)
Title: Heat exchanger
Inventor: COLLINS WILLIAM ALBERT
IPC: F25B39/02
Filed: 1960-04-25
Abstract: 936,807. Making heat exchangers. RUDY MANUFACTURING CO. April 25, 1960, No. 14373/60. Class 83 (2). [Also in Group XIII] A heat exchanger, e.g. an evaporator, consists of a metal sheet 10 to which is secured, by deformation of the sheet to embrace it, a pipe 21 comprising straight longitudinally-extending runs connected at the opposite ends by loops 22, the sheet being bent transversely and having its ends riveted together to form a box-like unit in which the two sets of loops 22 are adjacent. As shown in Figs. 1, 3 and 6, the sheet 10 is formed with grooves 12 in which the straight runs of pipe 21 are laid, the grooves being then clinched around the pipe. The loops 22 protrude beyond the ends of the sheet so that, in the completed evaporator, each lies between an adjacent pair, the grooves 12 being mutually inclined to allow this interfitting. A recessed plate 24 to accommodate an accumulator 26 is riveted over a cut-away corner of sheet 10. The sheet 10 may be expanded or perforated metal, the pipe 21 being brazed or welded thereto. In a modified form, Figs. 10, 11 and 14, a sheet 54 is formed with longitudinal fins 61 by folding, these fins are slit near the ends and the end parts 59 are folded down to lie on the sheet, and then the fins are clinched over the straight runs of pipe 63. The end loops 64 of the pipe are accommodated in the gaps formed by bending down parts 59 between the ends of fins 61 and end flanges 62 of the plates. In a modification, Fig. 7 (not shown), the box-like evaporator is made up of two complementary U-shaped sheets each comprising a sheet and tube, the adjacent ends of the sheets being riveted together.
Patent GB-445153-A (GB)
Title: A device for supplying electrical energy to wireless apparatus
IPC: H02M3/42
Filed: 1934-10-06
Abstract: 445,153. Converting. SCHUCHTER, K., 26, Hottingergasse, Innsbruck, Austria. Oct. 6, 1934, No. 14434/35. Convention date, April 27, 1934. Divided out of 445,118, [Group XL]. [Class 38 (ii)] In a D.C. voltage changer for supplying high tension current to wireless apparatus from a low voltage source 15 and comprising an induction coil 11 the secondary circuit of which includes a rectifier and smoothing elements 20, 21 the core of the coil is divided to form two magnetic circuits, the interrupter 14 in the primary circuit of the coil being actuated by the flux in one of these magnetic circuits, and the rectifier in the secondary circuit comprising a trembler 18 in the other magnetic circuit. Fig. 2 shows the core construction, the centre limb carrying the windings being divided longitudinally by a saw-cut. Specification 427,053, [Group XL], is referred to. The Specification as open to inspection under Sect. 91 comprises also an arrangement in which the rectifier in the secondary circuit of the coil comprises a thermionic valve. This subject-matter does not appear in the Specification as accepted.
Patent GB-402066-A (GB)
Title: Improvements in furnace fronts
IPC: F23M7/00
Filed: 1932-05-21
Abstract: 402,066. Closed solid-fuel stoves. KINNELL, J. L., and KINNELL & CO., Ltd., C. P., 65, Southwark Street, London. May 21, 1932, No. 14470. [Class 126.] A flat backplate 15 fits in a recess of the front plate 14 to form an air-heating space, walls 15a, 15b cast on the back-plate dividing the lower part of the space into two passages extending one on each side of the clinker door. Air is admitted to the space by a balanced flap valve 10 and delivered to the ashpit from the lower ends of the passages at the sides of the clinker door.
Patent GB-1470372-A (GB)
Title: Thermoplastics compositions
IPC: D01D5/247
Filed: 1973-03-26
Abstract: 1470372 Polymer compositions for making multicellular articles by stretching BAKELITE XYLONITE Ltd 26 March 1974 [26 March 1973 31 Oct 1973] 14513/73 and 50654/73 Headings C3C and C3P Compositions which can be formed into shaped articles and stretched to produce multicellular articles comprise (1) an orientable thermoplastics material and (2) 2 to 50 weight per cent of a metal resinate or a modified or unmodified rosin ester, which additive is at least partially incompatible with the thermoplastics material and at least in part comprises a separate phase uniformly distributed within the thermoplastics material. The thermoplastics material may be polyethylene, polypropylene, ethylene/propylene copolymer, polystyrene, polyvinyl chloride, polyvinylidene chloride, polyethylene terephthalate or nylon- 11. The metal resinate may be a zinc or calcium resinate or mixture thereof, and the rosin ester may be a dimerized rosin, maleic rosin or polymerized rosin ester. The compositions may also contain fillers, e.g. calcium carbonate and diatomaceous earth; pigments, e.g. titanium dioxide; acid binding agents, e.g. calcium oxide; and lubricants, antistatic agents, blowing agents, stabilizers and incompatible polymers. The compositions may be made into filaments, tubes, bottles, films and sheets, including paperlike products which may be subjected to corona discharge treatment after stretching to improve ink adhesion. Examples describe compositions comprising polyethylene, polypropylene, polyvinyl chloride, polystyrene or mixtures of polyethylene, polypropylene and polystyrene; calcium/zinc resinates, dimerized rosin ester, maleic rosin ester, maleic polymerized rosin ester, dimerized calcium resinate or zinc resinate; and optionally calcium carbonate, titanium dioxide, diatomaceous earth and calcium oxide; which compositions are formed into tubular films, sheets and tapes which are uni- or biaxially stretched to give multicellular articles.