baber/WOPTO huggingface dataset:
Patent GB-259930-A (GB)
Title: An improved process for oxidising organic compounds
IPC: C07B35/04
Filed: 1926-09-10
Abstract: 259,930. Silesia Verein Chemischer Fabriken. Oct. 19, 1925, [Convention date]. Thiuram disulphides. - Alkaline solutions of polythionic acids or their salts are employed as oxidizing agents for organic compounds. In examples (1) a solution containing the reaction product from methylaniline and carbon disulphide and sodium hydrate is oxidized by polythionate solution; the product is dimethyldiphenylthiuram disulphide (2) dimethyldithiocarbamic acid is oxidized to tetramethylthiuram disulphide by means of sodium tetrathionate.
Patent GB-944597-A (GB)
Title: Improvements in and relating to flower display
IPC: A01C1/04
Filed: 1960-06-27
Abstract: 944,597. Receptacles for growing plants. A. BURGER. June 27, 1960 [July 1, 1959], No. 22382/60. Heading A1E. In a method of planting a flower bed, bulbs are set in recesses 6 arranged in a decorative pattern on a plate 4 made of a material which depomposes under the action of water, the bulbs being planted in the earth together with the plate 4 which is provided with apertures 8 so that the bulbs may grow in the earth before the plate decomposes. The plate 4 may be covered by a similar plate as shown, by a layer of soil or a removable transparent foil, and the outer edges of the plate may be strengthened by a frame of wood or synthetic material.
Patent GB-1121938-A (GB)
Title: Fiber dyeing method and article
IPC: D06P3/30
Filed: 1966-05-19
Abstract: The invention comprises fibrous articles at least part of the fibres being dyed with a fast dye and at least part of the fibres being dyed with a indicator dye capable of colour change in response to pH variation.  In Examples cotton and viscose fibrous materials are dyed with fast dyes and indicator dyes giving rise to fibrous articles a part of which when treated in acid or alkali will alter in colour.
Patent GB-359551-A (GB)
Title: Improvements in or relating to variable electrical condensers
IPC: H01G5/06
Filed: 1930-07-25
Abstract: 359,551. Condensers. STANDARD TELEPHONES & CABLES, Ltd. and PAINTON, P. R., Columbia House, Aldwych, London. July 25, 1930, No. 22410. [Class 38 (ii).] The rotary blades 7 of a variable condenser are separately and frictionally held on the spindle. A selecting device comprises a barrel 17 cut to provide a number of fingers 18, the ends of which are in staggered relation around the circumference of the barrel each adapted to co-operate with a stud 10 secured to the extremity of each moving blade. The maximum capacity of the condenser is varied according to the number of rotary blades in use, this being determined by rotation of the barrel 17 to cause the fingers 18 to engage one or more of the studs 10 whereby those blades, the studs of which are thus held, are prevented from moving from the all-out position.
Patent GB-1420833-A (GB)
Title: Production of composite pigments of iron oxide and carbon black
IPC: C09C1/00
Filed: 1973-05-11
Abstract: 1420833 Pigments BAYER AG 11 May 1973 [12 May 1972] 22518/73 Heading C4A A composite pigment is made from a suspension containing predominantly an oxide or hydroxide of iron by heating it to a temperature of 450 to 850 C. with a hot gas laden with carbon black in the presence of an additive that promotes bonding between the oxide or hydroxide and carbon black. The suspension or iron oxide or hydroxide may be a waste sludge. The additive may be readily pyrolysable e.g. molasses, tar pitch, sulphite liquor, fish glue or a mixture of these, or may be inorganic, e.g. water glass or silica hydrosol. Its quantity may be adjusted to give a desired ratio of ferrous to ferric iron, e.g. that found in magnetite. The product may be aftertreated with an oxidizing agent, e.g. KMnO 4 , chromates, persulphates, oxygen, nitric acid, hydrogen peroxide or sodium hypochlorite solution. The soot-laden hot gas may be formed by burning hydrocarbons in air, and may be contacted with the sludge in a spray drier.
Patent GB-659033-A (GB)
Title: Improvements in sensitive photographic emulsions
IPC: G03C1/09
Filed: 1949-08-30
Abstract: 659,033. Photographic emulsions. KODAK, Ltd. Aug. 30, 1949, No. 22520. Convention date, Aug. 31, 1948. Drawings to Specification. [Class 98 (ii)] A photographic developing-out silver halide emulsion is sensitized with at least one gold compound and with at least one palladium salt of either of the general formula M 2 PdX- and M 2 PdX 6 , wherein M represents an alkali metal or ammonium and X a halogen atom. The palladium salt acts as a supersensitizer. A sulphur sensitizer may also be incorporated. The gold compound may be used in a concentration not more than 0.015 mols. per cent of the silver halide, and may be auric chloride; potassium or sodium chloraurate; auric sulphate; an alkali metal aurous sulphite or thiosulphate; an auric chloride-thiourea complex; potassium chloraurite, bromaurite, iodoaurite, auricyanide or aurithiocyanate or the corresponding sodium, calcium, strontium, cadmium, or gallium salts; pyridino-trichlorogold; ethylene diamine-bis-trichlorogold; diethyl-monobromogold; diethylgold-acetone; or a gold complex with a sulphur compound such as a gold-thiosinamine complex. The gold compound may be incorporated in an aqueous or methyl or ethyl alcohol solution, and may be added at any stage in the preparation of the emulsion, i.e. before or during precipitation or the first or second digestion or just prior to coating. The palladium salt may be ammonium, potassium, or sodium chloropalladate; ammonium or sodium chloropalladite; potassium bromopalladate; or potassium iodopalladate, and may be added at any stage in the preparation of the emulsion, but preferably just prior to coating. The palladium salt may be used in a concentration of from 0.015 to 0.2 mols. per cent of the silver halide. The sulphur sensitizer may be thiourea, allyl isothiocyanate, allyl thiourea, or sodium, potassium, ammonium, calcium, or cadmium thiocyanate, and a metal or ammonium thiocyanate may be used in conjunction with another sulphur sensitizer. The sulphur sensitizer may be added at any stage in the preparation of the emulsion. The emulsion is preferably digested with the gold compound and with or without the sulphur sensitizer, and is preferably acid during such digestion and during coating. In example 1, the speed, gamma, and fog of samples of a gelatinosilver bromide emulsion containing potassium chloraurate and sodium thiocyanate with no addition, with ammonium chloropalladate, with ammonium chloropalladite, and with potassium chloropalladate are given. In example 2, potassium chloropalladate is added to a gelatino-silver bromide emulsion containing potassium chloraurate and sodium thiocyanate. The emulsion may be sensitized with erythrosin, Congo Red, or a cyanine, merocyanine, hemicyanine, or hemioxonol dye. The preparation of a gelatino silver bromide emulsion is described. Specifications 450,958, 479,970, 515,145, and 602,158 are referred to.
Patent GB-371256-A (GB)
Title: Improvements in measuring instruments for recording physical magnitudes
Filed: 1931-08-10
Abstract: 371,256. Recording-apparatus. LANDIS ET GYR SOC. ANON., 1, Hofstrasse, Zug, Switzerland. Aug. 10, 1931, No. 22609. Convention date, Sept. 2, 1930. [Class 106 (iv).] In a recording apparatus for measuring instruments means are provided for producing a numerical record of the quantity as well as a graphic record on a record-strip at definite time intervals. As shown applied to an electrical maximum demand meter the meter spindle 1, Fig. 1, drives a worm wheel 3 loose on a shaft 2 and connected to a gear wheel 7 by means of a frictional coupling constituted by a spring 4. The wheel 7 meshes with a wheel 6 integral with the sun gear 8 of a differential mechanism the other sun gear 9 of which is engaged through gearing and a frictional coupling to a gear wheel 32 controlled by a constant-speed motor (not shown). The planet gear 12 of the differential is mounted on a stub shaft secured to a spindle 14 carrying a drum 15 with an elevated recording spiral surface 16. A gear wheel 17 on the drum spindle through a countershaft 24 drives the units drum of a counting mechanism with numeral type drums 19, 20, 21. The setting of the surface 16 and numeral drums is recorded on a record strip 42 by a pressure member 36 and inking ribbon 39 reciprocated periodically by a connecting-rod 35 on a gear wheel 33 controlled by the speed motor. At the end of each measuring period the wheel 33 is actuated to effect an impression on the record strip whereupon the wheel 32 drives the spindle 14 in a direction to reset the drum 15 and counting mechanisms to zero. position. The record produced is as shown in Fig. 2 ; the numerical record may also be produced with a co-ordinate type of record.
Patent GB-1506874-A (GB)
Title: Method and apparatus for stacking printed products continuously arriving in a substantially fish scale overlapping arrangement
IPC: B65H31/18
Filed: 1975-05-23
Abstract: 1506874 Stacking sheets FERAG AG 23 May 1975 [28 May 1974] 22644/75 Heading B8R A spiral shaped stack S is formed on a revolving platform 18 by deflecting each sheet of a shingled stream 13 in its own plane by means of roller 25 and brush-like disc 24. The table 18 is lowered as the stack grows. In an alternative embodiment (Fig. 3A, not shown) the table remains at constant height and the outlet end of the conveyer for the shingled stream is raised. In a further embodiment (Fig. 3, not shown) the conveyer has a pivotable section whereby sheets may alternatively be stacked on a further rotary table.
Patent GB-207244-A (GB)
Title: A new or improved automatically operating combined vacuum and steam governor
IPC: B60T13/46
Filed: 1922-08-21
Abstract: 207,244. Peters & Co., Ltd., G. D., Holey, W. H., and Brackenbury, A. G. Aug. 21, 1922. Valves actuated by fluid under control of auxiliary valves.-Apparatus for the automatic regulation of air ejectors or exhausters, especially for brakes of trains, comprises a diaphragm open at one side to atmospheric pressure and on the other to the vacuum reservoir and subject to a spring, a steam chest immediately below the diaphragm chamber, and a valve carried by the diaphragm and having its steam passing through the top of the steam chest to control the steam supply from the chest to a piston cylinder, the piston being connected with the stem of a valve controlling the admission of steam to the exhauster. The ejector governor shown comprises a diaphragm 3, Fig. 1, held between the flanges of a dome 1 which is connected through a pipe 30 with the vacuum train pipe of a .brake system, and a perforated plate or spider 2 supported on a steam chest 4 secured to a cylinder 5 in which works a piston 6 connected to a valve 7 which controls the ejector steam supply. The piston is pressed upwards by a spring, and is formed with a small hole 11 through which the steam passes which required to an exhaust pipe or fitting 12. A pin valve 14 connected to the diaphragm controls a port 13 in the steam chest, leading to the upper side of the piston. A spring 17 adjusted by a plug 18 acts on the upper surface of the diaphragm. When a sufficient vacuum obtains in the pipe 30 the valve 14 is raised, allowing live steam to pass through a connection 20 to a pipe 22 and the chest to the space above the piston 5 which is depressed, closing the valve 7 on its seat and preventing the passage of steam to the space 24 above the valve, which is in communication with the main and pilot ejectors 25, 26. The train pipe is connected at the part 27 with a vacuum chamber 28 from the top, of which the pipe 30 is led to the space above the diaphragm. A handle 32 controls a valve 35, Fig. 3, leading from the space 24 to the stem space 4 of the main ejector by means of an arm 33, and also controls an air admission or brake application valve through an arm 34, Fig. 1. The steam supply to the pilot ejector may be shut off by a screw-down valve 39, Fig. 3, actuated by a handle 40. The air withdrawn by the pilot ejector flows from the chamber 28, Fig. 1, past check valve 45 to the ejector and a like valve is provided for the main ejector. The governor apparatus may be mounted oh the live steam supply pipe in place of being mounted on the inlet chamber 20 of the exhauster. Two governors may be employed, controlling the main and pilot ejectors respectively, or one governor may control the main steam supply and another may control the passage between the cut-off valve of the first governor and the jets of the main ejector.
Patent GB-615165-A (GB)
Title: Improvements relating to friction lighters
IPC: F23Q2/08
Filed: 1946-07-30
Abstract: 615,165. Frictional lighters. LOWENTHAL, B. July 30, 1946, No. 22714. [Class 75 (iii)] On depressing an actuating member 34 of a frictional lighter a spring 36, secured between the actuating member 34 and slidable collar 35 on a rod 31, is stressed until a trip member 44 disengages a lever 27 from a spring latch member 40, whereupon the spring 36 rotates the lever 27 about its pivot 28 and a link 30 connected to the lever 27 rotates the cover 21 into its open position. The rod 31, secured to the actuating member 34, passes through a hole in the lever 27 and slides in a fixed tube 32 against the action of a return spring 38. A collar 37 fixed to the rod 31 returns the lever 27 to its initial position when the actuating member 34 is released. The cover 21, friction wheel 14 and ratchet wheel 23 rotate on a pivot pin 15. A pawl 24 engaging the ratchet wheel 23, and a wick snuffer are slidably mounted on a plain portion of a screw 25 secured to the cover 21, a spring 26 urging both towards the head of the screw 25.
Patent GB-154018-A (GB)
Title: Improvements connected with flexible pipe joints
IPC: F16L27/067
Filed: 1919-09-16
Abstract: 154,018. Tribe, E. Sept. 16, 1919. Ball-and-socket joints.-A flexible pipe-joint comprises a hollow ring b of pliable material formed with two sides having inturned edges b<1> and housed in a rigid casing c. The ring b is of slightly smaller diameter at the edges b<1> than the curved members a, or pipes a<4> with which it co-operates. In an example, Fig. 7, the pipes are held together by a link d on pivots a<2> which are attached to rings d<4> or to the pipes themselves. In a modification, Fig. 8, the links d are replaced by the casing c which bears on the curved member a beyond its largest diameter and engages a groove a<3> or another curved member on the other pipe. In the two latter cases, the ring b has a rigid backing b<2> and the casing c is split longitudinally, being held together by rings c'. A flexible tube is made of a number of similar joints, Fig. 2, held together by an internal chain or by external links d arranged as shown in Fig. 7, the successive links moving in planes at right-angles to each other In some cases the links d may have elongated holes to allow for expansion and may be made to two parts oppositely threaded, connected together by a nut.
Patent GB-317979-A (GB)
Title: Improvements relating to driving means for dummy lures for greyhound-racing or like tracks
IPC: A63K1/02
Filed: 1928-08-07
Abstract: 317,979. Howard, F. Aug. 7, 1928. Dog-racing apparatus.-A vertical wall 4 round the inside of the course has at the bottom horizontal pulleys 8 on spindles 7 mounted on bases 6 which carry the uprights 5 for the canvas 4 constituting the wall. The line 12 is on an arm 14 attached to an endless cord 11 running round pulleys 8 and driven frictionally from a grooved endless band 10. This band 10 is driven from an electric motor 19 over three pulleys 9 and two pulley wheels 15, the groove for receiving the cord 11 being formed by riveting leather strips 20 to the edges of the band 10. Hurdles 22 on feet 23 may be provided, the lure brushing past a flap of canvas or linoleum 24 at the inner corner. The lure may be mounted on a wheel or on a slide.
Patent GB-1513552-A (GB)
Title: Spectral analysis devices
IPC: G01J3/28
Filed: 1975-05-23
Abstract: 1513552 Spectrophotometry LANSING RESEARCH CORP 23 May 1975 [23 May 1974] 22787/75 Heading G1A Spectral analysis apparatus includes: first and second tunable filters 4, 6, the first having a single prominent pass-band, and the second having a plurality of passbands each narrower than that of the first and having a spacing wider than the width of the passband of the first, and detection means 8 for providing a signal in response to light which has passed in succession through the first and second filters.  Light produced e.g. by Raman scatter from a specimen 21 irradiated by a laser 17, is collimated at 2, light at the laser frequency being rejected by a filter 19. An acousto-optical filter (TOF)4, tunable by an R.F. generator 18, has a prominent pass-band which may be flanked by minor sidelobes. A variable-angle Fabry-Perot etalon 6 has pass-bands each narrower than that of the TOF 4 and preferably so spaced that when one etalon band is tuned to the TOF frequency the neighbouring etalon bands coincide with zeros of the TOF spectrum. A signal recovery arrangement 10 supplies signals to a recorder 14 and to an arrangement 12 which may include a computer, meter or CRO. A sequence control 16 varies the TOF tuning by means of the RF generator 18, and the etalon tuning by means of a position control 20, in either a stepwise or scanning manner.  Fine tuning of the etalon 6 to match the TOF 4 is performed by switching the input optics 2 to view a white light source 26 via a mirror 28, and simultaneously applying an output of an A.C. dither generator either to the R.F. generator 18 to modulate the TOF 4, or to a lock-in amplifier 22 to control the etalon 6. The resultant modulations in the output of a photo-multiplier 8, phase-detected by the lock-in amplifier 22, are used to correct the position of the etalon 6. A.C. dither may be further used in normal operation to measure the derivative of the spectral signal. The etalon, instead of being tilted, may be adjusted by mirror spacing (6') Fig. 4 (not shown) by the action of Piezo-electric elements (6a-6c). In a further embodiment, Fig. 7 (not shown), two etalons (6, 6') are cascaded, their respective band spacings differing in such a way that coincidence recurs only at multiples of the larger spacing, preferably between three and 10.
Patent GB-1348272-A (GB)
Title: Process and installation for the manufacture of impregnated papers  and papers thus obtained
IPC: D21H23/64
Filed: 1971-04-19
Abstract: 1348272 Coated products ARJOMARIPRIOUX 19 April 1971 [7 Aug 1970] 22791/71 Heading B2E [Also in Division Dl] Impregnated paper on which a hard-grained powder forms a coating is produced by electrostatic spraying of the powder onto the paper whilst the paper is damp. An embodiment of apparatus for performing this is shown, it consisting of a bath 3 of thermosetting resin, squeeze rolls 5 for removing excess resin, an electrostatic spraying device 7, and a dryer 10. The electrostatic spraying device may be succeeded by a further means for coating the paper with thermosetting resin, or preceded by such a means. The resin used may be phenolic resin or melamine, the powder being corundum, quartz, or silicon carbide.
Patent GB-296196-A (GB)
Title: Improvements in and connected with hydraulic and other fluid pressure jacks
IPC: B66F3/30
Filed: 1927-08-30
Abstract: 296,196. Miller, H. C., and Dainton, E. H. Aug. 30, 1927. Jacks. - Fluid-actuated jacks of the kind in which the reservoir surrounds the ram cylinder have the ram cylinder formed as a coupling member for securing the reservoir casing between the base and a cap or cover. The ram cylinder 2 is screwed into the base 1 and its upper end is fitted with a screwed cap 5. The reservoir casing 4 is fitted in recesses 7, 8 in the base 1 and screwed cap 5. Packing 15 is inserted in the recesses. In a telescopic jack a screwed sleeve projecting downwards from the cap is screwed on to the outer ram cylinder.
Patent GB-1131970-A (GB)
Title: Direct reaction conventional propeller drive and multi-propeller ship propulsion
IPC: B63H1/28
Filed: 1967-03-30
Abstract: 1,131,970. Screw propellers and ship propulsion. S. A. ORPHANIS. 25 March, 1968 [30 March, 1967], No. 22828/67. Heading B7V. A propulsion unit comprises a conventional propeller or propellers revolved by exhausting rapidly moving fluids through its /their blades. Several units are installed in rows along the sides of a vessel to constitute the vessel's propulsion system.
Patent GB-219828-A (GB)
Title: Improvements in universal joints
IPC: F16D3/41
Filed: 1923-09-12
Abstract: 219,828. Royce, F. H. Sept. 12, 1923. Universal joints.-The rollers of roller bearings for Hooke's joints are located axially by washers or like end members, there being no retaining- grooves in the inner or outer races. Lugs a<2> integral with a driving-member a, and lugs c<2>, integral with a driven member c<1>, are provided with eyes into which the ends of the cross member e are threaded before assemblage of the bearing elements. As applied to a motor-vehicle, the member c<1> engages the propeller shaft b by a castellated sleeve c, on which slides a spring- pressed cup d<3> bearing by a fett washer d<4> on a shell d secured to the member a by a ring d<1> and bolts a<1>, which secure also the member a to a flange on the driving-sriaft (not shown). The inner races f are each located, with or without axial play, between a ring f<1> and a ring f<2> spigoted in a hole e<1> in the cross e. The ring f<2> is secured by a screw f<4>, the head of which is engaged by tabs on a locking-washer f<5>, other tabs f<51> of which pass through holes f<22> in the ring f<2> and engage a groove e<2> in the part e. The rollers h are located by bronze washers h<1>, which may be floating or connected by rivets serving as a cage. The bearing may be adjusted by varying the thickness of the ring f<2>, Clearance between the washers h<1> and the outer race g permits oil to feed centrifugally to the bearing. The races g are held in the apertured lugs a<2>, c<2> each by a cap g<1> having two threaded diameters and a castellated periphery. A locking-plate g<2> has an arm g<21> engaging the castellations and a hole a<3> in the wall of the driving or driven member. A tab washer g<3> engages holes g<22> in the plate g<2> and castellations on a lock-nut g<4> screwing on the smaller diameter of the cap g<1>.
Patent GB-215256-A (GB)
Title: A sound box for sound reproducing instruments
IPC: H04R7/00
Filed: 1923-09-12
Abstract: 215,256. Walker, H. Sept. 12, 1923. Multiple - diaphragrm sound-boxes.-A soundbox has three or more diaphragms, the first of which, connected to the stylus bar, is imperforate while the others are perforated by slots of different sizes, the slot in the last diaphragm forming a vibratory tongue. As shown, there are three diaphragms 5, 6, 7, the middle one 6, Fig. 4, being perforated by a short slot 9 and the diaphragm 5 nearest the outlet 3 being perforated by a longer slot 8, Fig. 5, forming a tongue 22. The slots are arranged out of alignment. The diaphragms may be formed of the material knowm under the registered Trade Mark " Bakedite. "