baber/WOPTO huggingface dataset:
Patent GB-972049-A (GB)
Title: Electric control circuits for fluid pressure operable clutches
Inventor: FURNIVALL IVOR MAURICE
IPC: F16D48/06
Filed: 1962-06-05
Abstract: 972,049. Controlling clutches. I.G.E. CONTROL EQUIPMENT Ltd. May 22, 1963 [June 5, 1962], No. 21613/62. Heading F2L. [Also in Division H2] In an automatic machine of the kind incorporating a switch 7 operable by a part of the machine as the latter nears the end of a cycle of operation to prevent the machine starting a further cycle of operation unless an attendant operable switch associated with an electric control circuit is re-operated, in order to permit " inching " of the machine without shortcircuiting of the safety circuits forming part of the control circuit, a manually operable changeover switch 8 is provided which in the full-line position shown in Fig. 3 connects the machine operable switch 7 in the circuit, and in the dotted-line position connects a fluid-pressure operable switch 5 into the circuit. The circuit controls a pneumatically operated friction clutch having a servo 4 supplied by an air line 1 under the control of a valve 2 operated by an electromagnet 3, and the switch 5 is tapped intermediate the servo by way of a flow regulator 6. The electromagnet 3 is controlled by the circuit of Fig. 3 and is normally de-energized when the switch 7 opens at the end of a cycle of operations. When the switch 8 is operated to include the switch 5 in the circuit the clutch is engaged for as long as it takes the pressure operable switch 5 to open. This period is adjustable by altering the setting of the flow regulator. A normally open switch 9 may be provided in parallel with the switch 5 so that the machine may be run under manual control for longer periods than provided for by the switch 5.
Patent GB-835753-A (GB)
Title: Improvements in or relating to heterocyclic sulphonamide compounds
Inventor: ADAMS ARTHUR
IPC: C07D275/03
Filed: 1956-07-12
Abstract: The invention comprises compounds of the formula <FORM:0835753/IV (b)/1> and salts thereof such as the alkali-metal or alkaline-earth metal salts, where R1 is hydrogen or methyl, and of R2 and R3, one is hydrogen and the other is a p-aminobenzenesulphonamido group, with the proviso that when R1 is hydrogen, the sulphanilamido group is in the 4-position, and their o-carboxybenzoyl and b -carboxypropionyl derivatives.  The compounds are prepared by the usual methods for N1-heterocyclic sulphanilamides, for example by the reaction of a p-substituted benzenesulphonyl halide wherein the p-substituent is a group convertible into an amino group (e.g. acylamino) with the appropriate 4- or 5-amino-isothiazole followed by conversion of the p-substituent (e.g. by hydrolysis) into an amino group.  The reaction is preferably carried out in an organic solvent in the presence of a basic condensing agent.  Suitably the condensing agent may also be the solvent, for example pyridine. Examples describe the preparation of (1) 4-sulphanilamido-isothiazole; (2) 5-sulphanilamido-3-methyl-isothiazole and (5) 4-sulphanilamido-3-methyl-isothiazole, by hydrolysis of the intermediate acetyl derivative obtained by the action of p-acetylaminobenzenesulphonyl chloride on the amino-isothiazole; the preparation of the mono-succinoyl and phthaloyl derivatives of (2) is described.  4-Amino-isothiazole is made by oxidizing 5-aminobenz-1 : 2-isothiazole with permanganate, decarboxylating the resulting iso-thiazole-4 : 5-dicarboxylic acid, converting the isothiazole-4-carboxylic acid to its methyl ester, degrading via the carboxyhydrazide and azide to the benzyl urethane and treating with hydrogen bromide in acetic acid.  (The ethyl urethane is described in the Provisional Specification.)  5 - Amino - 3 - methyl - isothiazole is made by cyclizing b -iminothiobutyramide. 4-Amino-3-methyl-isothiazole is made by di-azotizing 5-amino-3-methyl-isothiazole, reacting with cuprous bromide, heating the resulting 5-bromo-3-methyl-isothiazole with cuprous cyanide to give 5-cyano-3-methyl-isothiazole, hydrolysing to 3-methyl-isothiazole-5-carboxylic acid, heating to give 3-methyl-isothiazole, nitrating to 3-methyl-4-nitro-isothiazole and reducing with ferrous sulphate.
Patent GB-359035-A (GB)
Title: Improvements relating to the recording of sound vibrations and the like
IPC: G11B7/125
Filed: 1930-07-17
Abstract: 359,035. Recording sound &c. STANDARD TELEPHONES & CABLES, Ltd., HARDISTY, R. W., and ANDERSON, A., Columbia House, Aldwych, London. July 17, 1930, No. 21669. [Class 40 (ii).] Apparatus for recording sound and like vibrations wherein the in. tensity of a beam of light is varied in accordance with the fluctuations of an electric current comprises means operated electromechanically by the electric current to rotate a doubly-refracting body arranged in the path of the polarized light beam. The light from a source 1 passes through a lens system 2, Nicol prism 3, quarter wave plate 4, analyser 5, and lens system 6, and then impinges on a recording film 7 as shown in Fig. 1. The quarter wave plate 4 is mounted in a tube 9, Fig. 2, carrying a frame which is provided with coils 10 adapted to be traversed by speech currents. The tube 9 is mounted in a magnetic field between polepieces 11 and with a fixed magnetic core 8. Instead of using a quarter wave plate, a polarizer 12 and analyser 14 may be mounted in frames 13, 15, Fig. 3, which are rotatable coaxially and independently. Each frame is connected to the moving system of an independent oscillograph operated by speech currents. The circuit for operating the oscillographs comprises a transformer feeding two thermionic valves arranged in push-pull. The oscillographs are adapted to rotate the polarizer and analyser in opposite directions.
Patent GB-496695-A (GB)
Title: Improvements in electrical ignition systems for internal combustion engines
IPC: H04B15/02
Filed: 1937-08-06
Abstract: 496,695. Igniting-systems. DEBENHAM, W. R. Aug. 6, 1937, Nos. 21707 and 36089. [Class 7 (iv)] At a predetermined engine speed, current from a generator G automatically replaces that from a battery B which, with a resistance r in series, supplies ignition current at starting and during slow running. Cut-outs R<1>, R<2>, R3 energized from the generator effect the changeover, at a generator voltage below the normal battery voltage. Both leads from the battery are cut, and all leads except the battery leads are screened. Different contact-breakers may be used, actuated by the same or different cams, and at differing speed.
Patent GB-1017256-A (GB)
Title: Electrical generating system for motor vehicles
Inventor: POPE BRIAN GRANGER
IPC: H02K7/108
Filed: 1963-05-31
Abstract: 1,017,256. Generator driving arrangements. FORD MOTOR CO. Ltd. May 21, 1964 [May 31, 1963], No. 21818/63. Heading H2A. The D.C. generator 1 on a motor vehicle is driven through an electromagnetic particle clutch of known type so that above a certain engine speed, the clutch has an output speed independent of the input speed, which output speed is not necessarily constant. The arrangement enables the generator to be driven at a higher speed relative to that of the engine below the slipping condition of the clutch to give a higher electrical output without the risk of " throw-out " of the generator windings at high engine speeds. The type of control of the electromagnetic clutch windings is not disclosed.
Patent GB-708020-A (GB)
Title: Improvements relating to compounds of the cyclopentanodimethylpolyhydrophenanthrene series
IPC: C07J1/00
Filed: 1951-09-18
Abstract: The invention comprises compounds of the formula <FORM:0708020/IV (b)/1> wherein R is hydrogen, acyl or an aroyl radical, R11 is the radical >C = O or <FORM:0708020/IV (b)/2> and R1 is a hydroxy, acyloxy or aryloxy radical and their preparation by heating the corresponding D 5.7 androstadiene with mercuric acetate and acetic acid in the presence of a lower aliphatic alcohol containing from 1 to 6 carbon atoms per molecule, separating the product, and if desired hydrolysing any ester groups in the 3 and/or 17 positions. The reaction may be effected in the temperature range 50 DEG  C. to 125 DEG  C.  In examples the production of D 5.7.9-androstatriene-3b , 17b -diol and D 5.7.9-androstatriene - 3b  - ol - 17 - one and its acetate are described.  D 5.7-androstadienes are obtained from the corresponding 7.8 - dihydroandrostadienes by heating with N-bromosuccimide and a tertiary amine in the presence of a saturated hydrocarbon solvent, separating the product, and if desired hydrolysing any ester groups in the 3 and/or 17 positions.
Patent GB-1393623-A (GB)
Title: Ammonium salt treated sulphonated phthalocyanines
IPC: C09B67/18
Filed: 1973-05-08
Abstract: 1393623 Ammonium salt treated sulphonated phthalocyanines AMERICAN CYANAMID CO 8 May 1973 [8 May 1972] 21972/73 Headings C4A and C4P [Also in Division C3] A process for the preparation of copper phthalocyanine pigment sulphonated to the extent of 0À03 to 0À18 sulphonic acid groups per copper phthalocyanine molecule but which has no phenyl groups directly attached to the nucleus, comprises treating a copper phthalocyanine having from 0À3 to 1À5 sulphonic acid groups per molecule with an amine salt treating agent selected from salts of quaternary ammonium bases and alkyl-, aralkyl-, cyclized alkyl- or cycloalkyl-amines having a total of 4-18 carbon atoms attached to each nitrogen, and mixtures of these bases and amines, in an aqueous medium at pH 4-7 and at 20-100‹ C., and if the thus-treated phthalocyanine has a sulphonic acid content of more than 0À18 sulphonic acid groups per molecule, blending the thus-treated phthalocyanine with sufficient unsulphonated or substantially unsulphonated phthalocyanine to give a phthalocyanine composition having 0À03 to 0À18 sulphonic acid groups per molecule. The pigments may be used in printing ink compositions, such as Rotogravure type C vehicle and cosolvent polyamide flexographic inks.
Patent GB-1343870-A (GB)
Title: Emulsions and the preparation thereof
IPC: A61K9/00
Filed: 1972-05-11
Abstract: 1343870 Fluorocarbon emulsion GREEN CROSS CORP and TANABE SEIYAKU CO Ltd 11 May 1972 [19 May 1971] 22035/72 Heading B1V [Also in Division A5] An emulsion for use as artificial blood comprises from 5 to 60% w/v of a fluorocarbon (defined) in the form of particles diameter less than 0.2 micron, 0.2 to 5% w/v one or more non-ionic surfactants and 2 to 20% w/v of one or more polyalcohols. The fluorocarbon used has S.G. 1.5 to 2.0 and is substantially insoluble in water. The emulsion may be made by dissolving the surfactant, for example polyoxyethylene-hydrogenated cator oil or a polyoxyethylene-polyoxypropylene type surfactant together with an injectable polyalcohol such as xylitol, sorbitol or glycerol in water with heating, adding the pre-heated fluorocarbon with vigorous stirring, optionally diluting with water and adjusting the pH to 7.4 then emulsifying using a high pressure emulsifier. The emulsion so prepared may be sealed into vials and sterilized. The surfactant may be purified before use by a dialysis or using ion-exchange resins.
Patent GB-1269935-A (GB)
Title: Improvements in, or relating to, display and like fittings
Inventor: SAVEKER THOMAS DEREK
IPC: A47B57/56
Filed: 1968-05-10
Abstract: 1,269,935. Shelf and brackets. T. SAVEKER Ltd. Aug. 11, 1969 [May 10, 1968], No.22159/68. Heading A4B. A bracket 8 or 15 is cantilevered from an upright 1 to support shelves or other articles, the upright 1 including a longitudinal bore 2, a longitudinal slot 3 and one or a plurality of spaced apertures 5 which permit fitment of a thickened rear end part of the bracket into sliding engagement along the bore 2, means being provided to releasably lock the bracket to the upright 1 at the desired height. In one embodiment, Fig. 1, the inner end of the bracket 8 carries a fixed pin 11 projecting on both sides of the bracket 8 and pivotally carries a slider 12. To fit the bracket 8, the slider 12 is passed through an aperture 5, and then moved along the bore 2 to allow the pin 11 to be similarly engaged in the bore 2. The bracket 8 is then slid along the bore 2 to the desired height at which it is locked by a screw 14 which threadedly engages the slider 12 and bears on the rear wall of the upright 1 to clamp the slider 12 against the front wall 4. In another embodiment, Fig. 4, the bracket comprises a strip 15 and a stay 17 with a stud 18 selectively and pivotally engaged in any one of a series of holes 16 in the strip. The inner ends of the strip 15 and stay 17 each carry a lockable slider 12. Inclination of the strip 15 may be adjusted by varying the spacing apart of the sliders 12 and/or by different choice of hole 16 receiving the stud 18. The uprights 1 may be free standing or wall mounted. Two uprights 1 disposed back to back may be formed as a uniting upright.
Patent GB-1032985-A (GB)
Title: Improvements in or relating to chart position indicating apparatus
Inventor: HOLDEN ALFRED THOMAS
IPC: F16D41/066
Filed: 1964-05-28
Abstract: 1,032,985. Ratchet clutches. DECCA Ltd. April 2, 1965 [May 28, 1964], No. 22163/64. Addition to 946,951. Heading F2C. [Also in Division G1] A ratchet clutch acting between a cylindrical flange 80 and a shaft 64 comprises a collar, rotating with the shaft, and provided with three wedge-shaped recesses each containing a ball 82. Each ball is supported against the flange 80 by a spring 84 and by the head of a rivet 86. With the flange 80 rotating clockwise as viewed in Fig. 5 the clutch slips, but when the direction of rotation is reversed the balls 82 lock the collar solid with the flange 80 to drive the shaft 64.
Patent GB-169068-A (GB)
Title: An improved grinding and polishing machine
IPC: B24B21/12
Filed: 1920-07-26
Abstract: 169,068. Crawshaw, B. P. July 26,1920. Band apparatus.-A machine, as shown in Fig. -4, for grinding or polishing metal strip H comprises two endless abrading-belts A, B, between which the strip is fed, the belts being so arranged that a considerable portion of their tracks are parallel, adjacent, and slightly zigzag. Driven pulleys C, C<1>, D, D<1>, driving the belts A, B at a similar speed, are adjustable horizontally to obtain the necessary tension. Adjustable rollers E, supported in bearings carried on brackets F attached to the machine frame G, bear on the belts so as to give them a zigzag course. The metal strip H, Fig. 1, first passes between metal jaws J and round rollers K revolving at about 1/30 to 1/40 of the speed of the belts. Heavy metal strips may pass between instead of around the rollers K. Emery &c. contained in a box L passes through an adjustable opening N and down a pipe M to a T-piece, where it meets compressed air supplied through a pipe P. The emery delivery pipe leads to a double nozzle Q, Fig. 2, disposed to supply the emery &c. at the point where the metal strip enters between the belts. Instead of supplying emery, the belts may be treated with an adhesive and coated with emery &c. The machine is enclosed in a sheet-metal case R having a receptacle S for spent emery and sliding doors for removal of emery and for permitting access to the working parts.
Patent GB-390998-A (GB)
Title: Improvements in or relating to thermionic valves
IPC: H01J21/12
Filed: 1932-08-08
Abstract: 390,998. Thermionic valves. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. Aug. 8, 1932, No. 22225. Convention date, Aug. 7, 1931. [Class 39 (i).] A " variable mu " valve is provided with an inner grid Sp coaxial with and surrounding the cathode K and of mesh varying over its length, and with a cylindrical grid G and anode A coaxial with and successively surrounding the grid Sp, the valve being connected in a circuit so that the grid Sp is a space-charge grid and that control potentials are applied to the grid G. The grid Sp is a helix of varying pitch. Specification 279,899, [Class 39 (i), Electric lamps, Arc &c.], is referred to. The Specification as open to inspection under Sect. 91 comprises also non-uniform spacing of the space-charge grid from the cathode and the use, together with the non-uniform spacecharge grid, of other means for obtaining the " variable-mu " effect, e.g. a cathode of different emissivity at different parts, an anode with non-uniform openings and a control or screen grid non-uniform as regards mesh or distance from the cathode. This subject-matter does not appear in the Specification as accepted.
Patent GB-205269-A (GB)
Title: Improvements in the chloridising roasting of ores and other metalliferous materials
IPC: C22B1/08
Filed: 1922-08-15
Abstract: 205,269. Mond, A. L., (International Process & Engineering Corporation). Aug. 15, 1922. Treating ore to remove undesired constituents. -Ores and other metalliferous materials containing lead, zinc, copper, silver, gold, or the like are subjected to a preliminary treatment to eliminate the detrimental carbonaceous materials such as carbon, hydrocarbons, and the like prior to chloridizing roasting. The carbonaceous material may be eliminated by treating the ores with solvents such as petrol, benzene, chlorinated hydrocarbons such as carbon tetrachloride or the like, by distillation, or by direct combustion. If any carbonaceous material still remains after the extraction with solvents or after distillation, it may be removed by a heat treatment such as direct combustion. The eliminated carbonaceous products may be recovered as marketable by-products, or they may be used to heat the distillation, chloridizing or other apparatus.
Patent GB-1453819-A (GB)
Title: Spinnerets for extrusion of man-made filaments
IPC: D01D4/02
Filed: 1975-05-22
Abstract: 1453819 Spinneret plate E I DU PONT DE NEMOURS & CO 22 May 1975 [5 June 1974] 22253/75 Heading B5B A spinneret 10 is formed from a base plate 12 provided with a passage 4 connecting surfaces 16, 18, the passage having a cylindrical length 20 with an enlargement 22 adjacent to the upper surface 16. An insert 24 is swaged into enlargement 22 of passage 14. The insert 24 has a sliding fit with the cylindrical length 20 of passage 14. For swaging the inserts a punch 26 may be used. The inserts may be welded after locking into position.
Patent GB-531783-A (GB)
Title: Improvements relating to metal cutting and other machine tools
IPC: B23Q11/00
Filed: 1939-08-01
Abstract: 531,783. Machinery beds and framings. LINDNER, H. Aug. 1, 1939, No. 22345. Convention date, Feb. 10. [Class 80 (iv)] A metal-cutting or other machine tool has such frame parts as are liable to be deformed by heat radiation, variations in room temperature &c. coated with a layer of heat-insulating material so as to maintain the machine at constant temperature and thus effect accurate high precision work. The stand 2 and bed 1 of a vertical drilling machine are for this purpose externally coated at 13 with glasswool or Kieseiguher over which is secured by screws 16 a thin shell 14 of aluminium or steel. The internal surfaces may also be provided with a layer 15 of similar insulating material or of plaster of Paris or asbestos to protect them from the effect of the driving motor and gearing. Alternatively, a plate of synthetic resin may be applied leaving a stationary layer of air between the surface of the frame and the inner surface of the insulating plate. The parts of the slides 10, 12 and of the drill head 3 not forming guide surfaces may also be similarly coated.
Patent GB-518063-A (GB)
Title: Improvements in or relating to grass-drying plants
IPC: F26B17/00
Filed: 1938-08-15
Abstract: 518,063. Drying grass. ROBERTS, C. H., and PAPPS, R. Aug. 15, 1938, No. 22363/37. [Class 34 (ii)] A drying chamber for grass with a supply of hot air or waste gas from a kiln at about 300‹F. has several feeding apertures 23 for grass in one side of the chamber at one level and several outlets on the opposite side at a lower level for dried grass ; upper trays 20 in the chamber adjacent the feeding apertures are each pivoted centrally at 21 for inversion so that partly dried grass then falls on to the lower removable trays 22, which are slid out on rollers with the grass when dry. The feeding and withdrawal apertures have hinged or sliding doors, and the trays are meshed. The air is circulated by a fan 16 and may be heated by a steam radiator 15.
Patent GB-359549-A (GB)
Title: Improvements in and relating to condensers
IPC: H01G5/06
Filed: 1930-07-24
Abstract: 359,549. Condensers. STAVE, C. H., 182, Church Street, Kensington, London. July 24, 1930, No. 22396. [Class 38 (ii).] The plates of condensers, particularly variable condensers, are formed of a base a of a metal of high resistance, such as steel constantin or manganin, and surface coatings or layers b of a metal of good conductivity, such as copper, nickel, or silver. Specification 351,516 is referred to.
Patent GB-1371293-A (GB)
Title: Lift off brake for the belt drive of spinning and doubling spindles
IPC: D01H7/22
Filed: 1972-05-12
Abstract: 1371293 Spindle brake FRIED KRUPP GmbH 12 May 1972 [13 May 1971] 22460/72 Heading DID A spindle brake comprises one or more lifting rollers 2 arranged on a displaceable plate 3 together with a braking block 5 and a manually operable actuating member for moving the plate so that the drive belt 1 may be lifted off the spindle wharfe 6 before the brake 5 is applied. The brake actuator is retained in the braking position by an elastic member. The elastic member can be a spring acting directly on the actuator or it can be formed by a leaf spring supporting the brake pad.
Patent GB-203703-A (GB)
Title: Improvements in or relating to chain-testing machines
IPC: G01N3/08
Filed: 1923-09-06
Abstract: 203,703. Rinagl, F. Sept. 9, 1922, [Convention date]. Testing chains.- The chain K to be tested is drawn bv a driven chain wheel R<1> over a chain wheel R<3> which is braked', and over a movable roller R<2> which is connected to a device for measuring the tension in the chain.
Patent GB-244377-A (GB)
Title: Improvements relating to cast iron mantel register grates
IPC: E04F19/00
Filed: 1925-09-10
Abstract: 244,377. Brown, J. Sept. 10, 1925. Open fireplaces. - Cast - iron mantel register grates having side members or jambs 5 projecting outwardly from the wall, are provided near the rear edges of the outer faces of these members with integral flanges 2, which overlie the broken plaster at the joint. A perforation for a securing nail may be provided in each flange.