baber/WOPTO huggingface dataset:
Patent GB-1270863-A (GB)
Title: Bipyridylium salts
Inventor: CAREY JOHN GERARD
IPC: C07D213/22
Filed: 1970-03-04
Abstract: 1,270,863. Bipyridylium salts. IMPERIAL CHEMICAL INDUSTRIES Ltd. 28 July, 1970 [20 Aug., 1969; 4 March, 1970], Nos. 41516/69 and 10421/70. Heading C2C. 1,1<SP>1 </SP>- Disubstituted - 4,41 - bipyridylium salts, in which each of the substituent groups contains up to 10 carbon atoms, are prepared by reacting the corresponding N-substituted pyridinium salt under basic conditions with anions containing the structure and subsequently oxidizing the resulting interaction product to give 1,1<SP>1</SP>-disubstituted pyridylium salts. The process is preferably carried out in a solvent for the N-substituted pyridinium salt. The preferred substituents in the N-substituted pyridinium salts used as starting materials are alkyl and carbamidoalkyl groups and the pyridine nucleus may also carry substituents on the carbon atoms. The intermediate product a 1,1<SP>1</SP>-disubstituted-dihydro- 4,4<SP>1</SP>-bipyridyl which may be oxidized to the corresponding bipyridylium salt by treatment, for example, with ceric sulphate (in dilute sulphuric acid), metal salts, inorganic oxyacid anhydrides, air preferably in conjunction with water and/or carbon dioxide and/or an acid, benzoquinone, chloranil or anthraquinone. The 1,1<SP>1</SP> -  disubstituted - 4,41 - bipyridylium cations may be separated from the ions of the phosphorus compound in the reaction mixture by treatment with 4,4<SP>1</SP>-diaminostilbene-2,2<SP>1</SP>-disulphonic acid (amsonic acid). The salt is precipitated as the amsonate which may be separated and reacted with another acid, e.g. hydrochloric, phosphoric or acetic acid. Alternatively the bipyridylium cations may be separated from the ions of the phosphorus compound by treating the reaction mixture with a cation-exchange resin. The compounds yielding the phosphorus containing ions may be prepared in situ.
Patent GB-436160-A (GB)
Title: Improvements in or relating to receiving arrangements for television, picture transmission or the like
IPC: H04N3/237
Filed: 1934-04-06
Abstract: 436,160. Television receivers. LORENZ AKT.-GES., C., 1, Lorenzweg, Tempelhof, Berlin. April 6, 1934, Nos. 10436, 10437, 10438, and 10439. Convention dates, April 7, 1933, July 12, 1933, July 12, 1933, and July 29, 1933. [Classes 39 (i) and 40 (iii)] The variation in light is produced by a diaphragm S presenting an aperture O to light L produced by a beam of electrons C, or by fluorescent material F of the same area as the incident beam of electrons which is deflected in accordance with the received signals. The fluorescent material is on a wire support D or on a mica disc, Fig. 7 (not shown). The cathode-ray tube B is automatically disconnected after the transmission is finished, Fig. 10 (not shown).
Patent GB-386301-A (GB)
Title: Improvements in cigarettes and process of treating same
IPC: A24C5/60
Filed: 1931-04-09
Abstract: 386,301. Cigarettes; cigarette-making machines. COPEMAN LABORATORIES CO., 312, Genesee Bank Building, Flint, Michigan, U.S.A.-(Assignees of Copeman, L. G. ; 212, Smith Street, Flint, Michigan, U.S.A.) April 9, 1931, No. 10458. Convention date, July 24, 1930. Void [Published under Sect. 91 of the Acts]. [Class 130.] In order to bind together the strands of tobacco without materially blocking the air passages, the ends of the cigarettes are dipped in a solution containing a binding material in a volatile solvent, which is then evaporated, preferably by means of heat or an air blast, leaving a thin film on the tobacco strands and on the wrapper. The solution, which may be a colloidal or a true solution, may consist of celluloid or a cellulose ester in acetone, collodion in ether or alcohol or a mixture of the two, or a cellulose acetate solution, or may comprise a natural or synthetic gum or resin, e.g. vinylite or glyptal resin in acetone, or latex in water ; it may also contain in suspension a filler such as aluminium, chromium, or bronze powder. The cigarettes may be carried through a trough 8 containing the solution by belts 6, 7 which convey the cigarettes from the wrapping to the packing machine. The trough may be moved upwards intermittently to treat the cigarettes, or may be moved forwards with the belts for a predetermined distance.
Patent GB-750660-A (GB)
Title: Means for stabilising damaged ships
IPC: B63B43/06
Filed: 1954-04-09
Abstract: 750,660. Stabilizing and ballasting ships. NAAMLOOZE VENNOOTSCHAP KONINKLIJKE MAATSCHAPPIJ DE SCHELDE. April 9, 1954 [April 13, 1953], No. 10537/54. Class 113. In a ship having at least one watertight compartment the flooding of which corrects the list or decrease of stability caused by the influx of water into the ship due to damage of the ship's skin on one side of the ship, said compartment is in open communication with at least one tube which, at the place where influx of water due to damage will cause a dangerous list, extends in upward direction along the ship's skin. In the embodiment of Figs. 1 and 3 two closed compartments 1 and 2 at the ship's side are subdivided by partitions 3 and 4. Angle-shaped tubes 5 and 6 are fitted on either side of each partition, the horizontal shanks 51, 61 extending transversely of the ship and opening into the opposite compartment while the vertical shanks 5<SP>11</SP>, 6<SP>11</SP> extend upwards along the side of the ship towards the lower deck 7. The dimensions of the compartments 1, 2 are such that dangerous listing will only occur if both subsections thereof are flooded simultaneously, which would be the case if a collision occurs at a point near the transverse partition 3 or 4. In such a case the vertical shank 5<SP>11</SP> or 6<SP>11</SP> would also be destroyed, and hence water would flow via the tube 5 or 6 into the opposite compartment to correct the list. In another embodiment tubes fitted against each side of the ship lead to a normally empty compartment so that destruction of a tube through collision or damage on one side of the ship causes the compartment to be flooded with consequent correction of the descrease of stability that might be caused by the influx of water into spaces other than said compartment.
Patent GB-385309-A (GB)
Title: Improvements in electrical switches and bell-pushes for mounting in wall-boxes
IPC: H02B1/044
Filed: 1931-06-13
Abstract: 385,309. Switch bases and cases. CRABTREE, J. A., Endwood, Little Aston Park, Sutton Coldfield. June 13, 1931, No. 10565/32. Divided on 385,298. [Class 38 (v).] An electric switch is mounted on a grid c by placing the movable mechanism a on one side of the grid and the base b carrying the fixed contacts on the other side of the grid, the three members being then secured by screws d. The grid c is formed with a central aperture to allow clearance for the moving parts, and lugs projecting into the aperture are formed with holes for the passage of the screws d. The corners of the grid are formed with holes for fixing it to a wall box in the manner described in Specification 385,298.
Patent GB-527256-A (GB)
Title: Detecting apparatus particularly for automatic coin operated vending machines and the like
IPC: G07D5/00
Filed: 1939-04-05
Abstract: 527,256. Coin-freed apparatus. KOOPERATIVA FORBUNDET FORENING U.P.A. April 5, 1939, No. 10630. Convention date, April 25, 1938. [Class 27] Testing coins.-Coins inserted in a slot 7 in a coin-freed delivery machine drop down a shoot 8 having an abrupt curve leading to a downwardly inclined groove 4 down which the coins slide in contact with brush-like members 2 extending from a plate 1 in a holder 3. The members 2 brake the speed of properly stamped coins which drop into a shoot 5 leading to the releasing- mechanism. Worn coins or counterfeits without stampings pass over the shoot 5. The position of the shoot 5 is adjustable by a pin and slot connection 6.
Patent GB-1097095-A (GB)
Title: Improvements in or relating to the preparation of adipic acids
IPC: C07C51/31
Filed: 1965-03-12
Abstract: Polyesters of e -hydroxycaproic acid are made by heating an e -acyloxycaproic acid in the presence of an esterification catalyst, e.g. HCl, H2SO4, H3PO4, methane-, benzene- or p-toluene-sulphonic acids or a cation exchange resin.  The carboxylic acid eliminated in the reaction is removed by distillation, preferably as an azeotrope with an added solvent, e.g., an aromatic hydrocarbon or water.  A C1- 4 alcohol may be added to the reaction mixture whereby the acid is removed as an ester.  Examples 10 and 11 relate to the preparation of a polyester from e -formyloxycaproic acid.ALSO:Adipic acids of the formula <FORM:1097095/C2/1> where R is hydrogen or an alkyl group, are made by subjecting an e -hydroxycaproic acid, or a derivative thereof, to alkaline fusion at 180-400 DEG  C. with at least a stoichiometric equivalent of an alkali metal or alkaline earth metal base and subjecting the resulting alkali metal or alkaline earth metal salts of the adipic acid to acid hydrolysis to give the free acid. Suitable derivatives of e -hydroxycaproic acid are defined as those yielding the alkali metal or alkaline earth metal salts when subjected to alkaline hydrolysis, e.g. the alkyl esters, amides, nitriles, the e -acyloxycaproic acids, e -caprolactones, the cyclic oligomers of e -hydroxycaproic acids and the linear polyesters.  The alkaline salts themselves may be used as the starting material. Suitable bases which may be used in the fusion are NaOH, KOH, lime baryta or mixtures thereof.  The fusion is preferably effected at superatmospheric pressures and in the presence of water as solvent. The fusion reaction yielding the alkaline salts of adipic acids is catalysed by metallic cadmium or compounds thereof, e.g. the oxide, hydroxide, carbonate, acetate and formate.  A preferred starting material is the polyester of e -hydroxycaproic acid obtained by polymerizing the product resulting from oxidizing cyclohexanol or cyclohexanone with oxygen or hydrogen peroxide in the presence of formic or acetic acids. Examples relate to adipic acid and trimethyl adipic acid.
Patent GB-107054-A (GB)
IPC: F02M26/63
Abstract: 107,054. Mackenzie, J. W. (Plews, W. J.). June 14, 1916. Spray carburettors.- Fuel, air, and exhaust gases are delivered simultaneously into a choke tube through concentric nozzles, and a central nozzle supplies electrically-heated fuel at starting and afterwards a heated air supply. In the form shown, the main fuel nozzle 8 consists of small tubes 11 enclosed by an exhaust passage 6 and an air-supply passage 22, all opening into the constricted part 5 of the choke tube. The exhaust and air inlets are controlled by valves 25, 24. The fuel nozzle 8 is supplied from the float chamber 3 by a passage 12, an annular groove 13, and radial passages in a plug 7. The central nozzle 8 is provided with an electric heating-coil and communicates through a passage 15 with an auxiliary fuel-supply chamber 14, which is fed from the float chamber 3 through a needle valve 31 at a point slightly below the normal level of fuel in the float chamber when the float valve is closed. When the level in the float chamber falls below the valve 31, the fuel in the chamber 14 is gradually consumed, and air is then drawn through the inlet 30, chamber 14, and tube 9. The fuel passages 11 may be controlled by a valve consisting of needles 81 depending from a ring 83, Fig. 4, guided by rods 82 travelling in a pair of the tubes 11. The rods 82 are connected by a slotted cross-bar 84, engaged by a cam 85 on a crank-pin 86 oscillated by an arm 87, which may be connected by an adjustable link 88 with the arm 41 of the throttle valve 4
Patent GB-965120-A (GB)
Title: Improvements in chairs or seats
IPC: A47C7/62
Filed: 1962-03-21
Abstract: 965,120. Nesting chairs; chairs combined with drawers. J. T. LEWIS May 6, 1963 [March 21, 1962], No. 10752/62. Headings A4H and A4W. In a stackable chair or seat of the type in which the front leg and the rear leg on each side of the chair comprise splayed apart limbs 1a, 1b of an inverted U-shaped member 1 arranged to project laterally from each side of the seat member 7 of the chair, so that the chairs are stackable with the inverted U-shaped leg members of one chair superposed over the inverted U-shaped leg member of another chair, a runway strip 3 for supporting a drawer 4 is arranged from front to back on each side of the chair and on the inside of and spanning the front and rear legs of each inverted U-shaped leg member 1. Cross strips 5 connect the front legs 1a, 1a and the rear legs 1b 1b below a drawer mounted on the runway strips 3.
Patent GB-255549-A (GB)
Title: Improvements in or relating to scouring by abrasives
IPC: B24D9/08
Filed: 1925-04-25
Abstract: 255,549. British United Shoe Machinery Co., Ltd., Ricks, F., and Towndrow, E. F. April 25, 1925. Cupping, forming, and shaping.- In making Naumkeag pads such as are described in Specifications 9123/93. 15870/07, and 19085/10, [all in Class 60, Grinding or abrading &c.], the abrasive cover is moulded to form the convex working surface and to turn up the peripheral tabbed portion, by means of a press comprising an upper convex die 30 surrounded by a spring- pressed annular 33 and a lower concave die 31 having limited vertical movement in a plunger 35 provided with a rim 36 for centering the blank. In operation, when the plunger is raised the lower die remains stationary until picked up by a pin 39 passing through a slot in the plunger. The abrasive disc is first gripped between the edge 42 and the member 33, which partially turns up the tabbed portion. Further upward movement of the plunger causes the dies 30, 31 to grip and mould the disc. A central perforation is punched in the disc by a pin 37 which enters a hole 38 in the upper die.
Patent GB-157022-A (GB)
Title: Improvements in fasteners for hand bags
IPC: A45C13/06
Filed: 1920-04-19
Abstract: 157,022. Edmonds, F. April 19, 1920. Fastenings for bags.-The ends of the frame of hand-bags and the like are secured by sliding clips each consisting of a casing 1 from the bottom of which project prongs 3 which are passed through slots in one of the frame parts, and are bent over beneath a blade-spring 6. At one end of the casing is cut a gap 7, which is so arranged that when the casing slides, it rides over a projection 8 on the other frame member, the spring 6 giving a snap engagement.
Patent GB-269916-A (GB)
Title: Improvements in circular looms for weaving
IPC: D03D37/00
Filed: 1927-04-22
Abstract: 269,916. SÚry, C. April 24, 1926, [Convention date]. Fringes, fabrics with; fashioned fabrics; wire and other cores, covering by weaving. - In a circular loom wherein the warp threads pass from warp beams 1 to 4 and the fabric is woven around a cylindrical central guide 15, a sector 57 is left free of warp threads and the woven tube may be cut in the middle of this sector thus producing fringed fabric. The central guide may be shaped and be caused to descend with the fabric, so as to weave hats, or a cable or core may be substituted for the guide and a covering be woven on the cable &c., for instance to insulate it electrically.
Patent GB-971143-A (GB)
Title: Improved cylinder head gasket
IPC: F16J15/12
Filed: 1963-03-19
Abstract: 971,143. Gaskets. W. R. GRACE & CO. March 19, 1963 [March 19, 1962], No. 10896/63. Heading F2B. [Also in Division B5] A cylinder-head gasket for an I.C. engine comprises two outer plies of resilient material 11 bonded to an interply of a non-metallic fabric 12 by means of an adhesive 10. The thickness and composition of the outer plies may be the same or different. In a method of making the gasket, a composite sheet composed of sheets of resilient material adhesively bonded to non- metallic fabric is cured wholly or partially by heating under pressure in a platen press. The laminated sheet is then cut to size and perforated to provide combustion chamber and water circulation openings by means of a die. The interply may be made of woven, knitted or matted organic or inorganic fibre such as nylon, glass fibre, fibrous silica, acrylonitrile fibre or a fibre formed from the condensation of dimethylterephthalate and ethylene glycol. The outer plies may be formed from a cured rubberized mineral fibre sheet prepared by rolling a mixture of mineral fibres, rubber, fillers and a solvent. The mineral fibre may be asbestos, glass fibre or rock wool and the rubber may be natural or synthetic such as neoprene, acrylonitrile-butadiene or butadiene-styrene. The adhesive employed may be prepared from elastomeric materials such as natural or synthetic rubber, thermosetting or thermoplastic resins or a cured mixture of these resins and may be applied by dipping, brushing, rolling or spraying. Selected resins and resin mixtures are phenolaldehyde resins, epoxy resins, polyvinyl acetate, phenolformaldehyde resin plasticized with polyvinyl butyral, butadiene-acrylonitrile mixed with phenolic resins and nylon mixed with phenolic resins. Examples of laminate composition, methods of making gaskets and comparative test results are given.
Patent GB-180643-A (GB)
IPC: H05G1/04
Filed: 1922-04-18
Abstract: 180,643. Etablissements Gaiffe-Gallot et Pilon. May 24, 1921, [Convention date]. R÷ntgen-ray and like apparatus.-A tube a isimmersed in a liquid or pasty insulator b in a tank, and the electric field around the tube is reduced or modified so as to prevent the formation on the walls of the tube of charges likely to spark through the glass. The field may be produced by connecting a potentiometer k or other source of variable potential with the tank, or with an auxiliary electrode h surrounding the tube. The tank is closed, and is preferably of material opaque to R÷ntgen-rays, with windows transparent to the rays. To prevent a discharge between the tank and a patient, the tank may be earthed, or may be surrounded by an earthed conducting cage. The surface of the tube may be covered with an insulating substance such as resin, to diminish the superficial conductivity of the glass, for instance, by drying the glass, and varnishing with a solution of shellac in alcohol. The leads d pass through insulating sheaths f.
Patent GB-832977-A (GB)
Title: Liquid flow meter of the gyratory piston type
Inventor: ALLEN ERIC HAROLD WILLIAM
IPC: G01F3/08
Filed: 1956-04-10
Abstract: 832,977. Rotary meters. KENT Ltd., G. April 5, 1957 [April 10, 1956], No. 10950/56. Class 110 (2). In a rotary meter of the gyratory piston type, the indicating unit is mounted within a transparent casing C, W which is disposed within the meter casing B, E and is filled with a liquid containing, if desired, a lubricant and a corrosion inhibitor. The casing C, W communicates with a flexible sac for pressure equalizing purposes and is held against its jointing material J by a support T. The meter is provided with a filter V and the indicator is driven through a worm and spur gearing G.
Patent GB-594249-A (GB)
Title: New and improved process for the production of copolymers of tetrafluoroethylene
IPC: C08F214/26
Filed: 1945-05-01
Abstract: Copolymers of tetrafluoroethylene are made by polymerizing by heat and pressure a mixture of tetrafluoroethylene and an olefinic hydrocarbon containing more than 50 per cent of tetrafluoroethylene in the presence of a saturated non-polymerizable organic liquid and a peroxy compound as catalyst.  Olefins specified are ethylene, propylene, butylene and isobutylene.  The organic liquid may be propane, butane, isobutane, pentanes, hexanes, heptanes, octanes, cyclopropane, methyl-cyclopentane, cyclohexane, hexahydronaphthalene, toluene, ethylbenzene, xylene; chloroform, carbon tetrachloride, ethylene dichloride, ethyl bromide, 1,6-dibromohexane; methyl, ethyl, tert.-butyl and benzyl alcohols, ethylene glycol, glycerol, decamethylene glycol; methyl acetate, ethyl formate, methyl propionate, methyl chloroacetate, isoamyl acetate; acetic, butyric, stearic, mono-, di- and tri-chloroacetic acids and their anhydrides; diethyl ether, dibutyl ether, dioxane; acetaldehyde, isobutyraldehyde, heptaldehyde; acetone, methyl butyl ketone; methylal, diethyl acetal, dimethyl heptal, dioxolane.  Catalysts specified are benzoyl peroxide and diethyl peroxide.  The pressure may be maintained by injection of water into the polymerization vessel or by intermittent injection of monomer, the monomer mixture or the organic liquid.  The copolymers are soluble in hot nitrobenzene, acetophenone, diethyl phthalate and chlorinated ethylbenzene.  They may be formed into films and fibres which may be oriented and heat set.  They may be combined with or prepared in the presence of plasticisers, fillers, dyes and natural or synthetic resins.  Dispersions may be prepared from solutions of the copolymers.  Specifications 579,882 and 583,482 are referred to.
Patent GB-904887-A (GB)
Title: Metal tube for forming part of a wall of a combustion chamber
Inventor: ALLEN SIDNEY
IPC: F02K9/64
Filed: 1958-04-08
Abstract: 904,887. Generating combustion products under pressure. BRISTOL SIDDELEY ENGINES Ltd. March 24, 1959 [April 8, 1958], No. 10982/58. Drawings to Specification. Class 51(1). [Also in Group XXVI] A rocket combustion chamber is formed of tubes, welded together, which carry circulating coolant. The surfaces of the tubes forming the combustion chamber throat are given a higher heat-transference than the remaining surfaces. This is effected by reducing the wall thickness or by removing the wall of each tube, at the throat zone, and replacing it by an insert of a metal having a higher heat conductivity, which is welded in place. Each tube is pressed to form plane side surfaces to facilitate assembly.
Patent GB-757201-A (GB)
Title: A method of profiling workpieces
IPC: B23Q35/10
Filed: 1952-05-01
Abstract: 757,201. Copy-milling. ARD AKT.-GES. May 1, 1952 [May 23, 1951], No. 10992/62. Class 83 (3). A method of machining work 1 consists in cutting intersecting grooves 2, 3 down to finished size and then cutting away the remaining material. For machining a turbine-blade 1 a series of drawings 20, each corresponding to one of the grooves 2 to be cut, are secured in succession on a disc 19 and are followed by a tracer 18, which is controlled by a hand wheel 10 and whose movements are transmitted in a reduced ratio to the milling-cutter 8 by discs 14, 12 and tapes 16, 11. When the grooves 2 have thus been cut, the blade is secured in a second machine wherein a tracer 31, Fig. 3, follows drawings 43, under the control of hand wheels 24, 38, to cause the cutter 37 to move in a ratio determined by tape-means 25, 29 and 39, 41 and so cut longitudinal grooves 3. The metal 4 is then removed.
Patent GB-781293-A (GB)
Title: Improvements in trouser leg measuring and marking-off devices
IPC: A41H31/00
Filed: 1954-04-14
Abstract: 781,293. Gauging Gutting-lines for trousers. DAVENPORT, T. W. June 30, 1955 [April 14, 1954], No. 10997/54. Class 141 A device for measuring and marking trouser leg turn-ups comprises a straight graduated element 2, means for mounting the element on a worktable, and a template 11 slidably mounted on the element 2 with its marking edges, 12, 13 at right angles thereto, so that when the element is placed along the trouser leg seam with its end 3 at the leg fork, the template can be set at the required graduation with its edges, 12, 13 indicating the turn-up fold line and cutting line respectively. The template has an internal spring or other means for holding it in a set position and has also a cut-away part 14. The element 2 is pivotally secured to a work-table 9 by arms 6 connected to a hinge spindle 7, and is preferably slidably mounted on the arms 6.