baber/WOPTO huggingface dataset:
Patent GB-769687-A (GB)
Title: Glass fibre and plastic sheets and films, apparatus for and method of making same
Filed: 1953-04-17
Abstract: 769,687. Glass-fibre paper etc.; impregnating for electrical and chemical resistance. AMERICAN MACHINE & FOUNDRY CO. April 17, 1953 [June 12, 1952], No. 10554/53. Classes 96 and 140. Uniform sheets of glass or mineral wool fibres, 0.1 to 2.5. mils thick are made from dilute dispersions in glycerine, carboxymethyl- or hydroxyethyl cellulose, sodium alginate, polyethylene or polypropylene glycol, resins, or gums, &c., these dispersants being mixed with water in a tank 6 filtered at 10, mixed with glass fibres &c. in a tank 12 strained at 18, de-aerated in a settling tank 20 pumped to a vat 26 of a cylinder forming machine, compartments 36 of which are subjected to suction from conduits 40, 48 discharging into tanks 42, 50, a conduit 56 &c. supplying air to blow the web W off the cylinder. The web may be washed by a water spray 38 and impregnated at 52 with a binder, e.g. hydroxyethyl- or sodium carboxymethyl cellulose, urea-formaldehyde resin, alumina sol, or colloidal silica &c., and dried at 54. The web may also be passed through a bath of a binder solution and its fibres may form a reinforcement of a plastic sheet. Other binders mentioned are silicone resin, polystyrene, polyvinyl chloride, and polytetrafluoroethylene.
Patent GB-496987-A (GB)
Title: Improvements relating to band-conveyors
IPC: B65G39/06
Filed: 1938-04-06
Abstract: 496,987. Endless - belt conveyers. EVANS, O. (Demag Akt.-Ges.) April 6, 1938, No. 10590. [Class 78 (i)] In conveyers of the kind in which the supporting rollers consist of a helical spring, the roller springs are provided with tensional stress which is induced during winding and presses the turns one against the other axially. The ends of each spring 2, Fig. 4, either are engaged by threads 16 on cylindrical members 3a, or secured to these members by pins. Pins 3 connect the members 3a to members 4 provided with bearing members 10, Fig. 4, or bearing pins 5, Fig. 1, engaging recesses in the posts 7. In the former construction the bearing positions 13, 14 may be disposed above the axis A-A, or below it. In the latter construction the distance S apart of the bearing positions 6 is a little greater than the distance s apart of the pins 5 when the roller is not loaded.
Patent GB-283908-A (GB)
Title: Method of producing mixed manures
IPC: C05B11/06
Filed: 1927-04-20
Abstract: 283,908. Liljenroth, F. G. Jan. 20. 1927, [Convention date]. Addition to 282,330. Manures.-Crude calcium phosphate is treated with nitric acid and ammonium sulphate, as in the parent Specification, to give on neutralization with ammonia mixed manures and calcium sulphate which is separated and treated with ammonia and carbon dioxide to form ammonium sulphate, but less acid is used than corresponds with the lime in the phosphate. With a shortage of 15 to 20 per cent of acid, a solution of monocalcium phosphate and phosphoric acid is obtained. If the ammonium sulphate is added simultaneously, there may be a shortage of 25 to 30 per cent acid and a complete precipitation of calcium sulphate effected, with the formation of ammonium nitrate, mono-ammonium phosphate and free phosphoric acid. If the sulphate is added later more free acid is required to keep the calcium sulphate out of solution, and the monocalcium phosphate in solution should not exceed half the free phosphoric acid. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the use of other acids yielding soluble calcium salts and of other soluble sulphates. This subject-matter does not appear in the Specification as accepted
Patent GB-598563-A (GB)
Title: Improvement in rotary or semi-rotary electric furnaces with multiple indirect arcs
Inventor: CARTOUN HENRI GASPARD MARIE
IPC: H05B7/22
Filed: 1945-04-27
Abstract: 598,563. Electric furnaces. COMPAGNIE DE PRODUITS CHIMIQUES ET ELECTROMETALLURGIQUES ALAIS, FROGES, & CAMARGUE. April 27, 1945, No. 10650. Convention date, April 20, 1943. [Class 39 (iii)] - In a rotary or semi-rotary furnace with a polyphase current' supply with heating by multiple arcs between several pairs of opposed electrodes parallel to the axis of rotation of the furnace and penetrating into the furnace through its open ends, the electrodes are carried by end walls 2 which are stationary close the open ends of the furnace. The covers 2 are flat or domed and carry electrode collars, feed mechanism for the electrodes and flame guards. The joint member 4 between the cover and the furnace may be stationary, have a water jacket and may be elastic and allow for expansion. The covers may be of electrically melted magnesia, artificial spinel, glucina, zirconium oxide or aluminium oxide. The covers may be made in several parts, may be of moulded sheet iron or steel and may be mounted on the furnace cradle. Specification 590,769 is referred to. The Specification as open to inspection under Sect. 91 comprises also rotary or semi-rotary furnaces heated by resistances or by arcs with single phase current, the resistances or electrodes being mounted on stationary end walls closing openings in the furnace. This subject-matter does not appear in the Specification as accepted.
Patent GB-481785-A (GB)
Title: Improved backing for making sieves or other thin perforated metal plates by the galvanic process
IPC: H01J19/00
Filed: 1937-04-14
Abstract: 481,785. Production of perforated metal plates by electrodeposition. POL, W. VAN DE. April 14, 1937, No. 10672. Convention date, April 15, 1936. [Class 41] Sieves or other thin perforated plates are made by deposition on a thin perforated cathode provided on the back with a layer of insulating material which extends into the perforations. The material, which may be an adhesive composition, may be applied to the cathode sheet while stretched over a glass cylinder; after drying and if necessary repeating the coating, the sheet is removed and straightened and secured to a rigid base. Alternatively, the cathode sheet may be applied to a base having a coating of adhesive insulating material of thickness just sufficient to fill the perforations. A cathode for the production of endless lengths of perforated metal may be made by bending a coated sheet into a cylinder with the coating inside, seaming and providing it with trunnions. The cathode surface may be coated with hard metal such as chromium to facilitate removal of the deposit.
Patent GB-582975-A (GB)
Title: Improvements in course indicating means and torpedo directors for use on aircraft
IPC: F41G9/02
Filed: 1938-04-07
Abstract: 582,975. Torpedoes directing from aircraft. PURVES, R., and LAX, W. L. April 7,1938, No. 10676. [Class 9 (ii)] Relates to torpedo directors for use on aircraft and of the kind in which the vectortriangle, formed by a target-track bar 3, a torpedo-track bar 1 and a sight-bar 6, is set up. According to the invention, in order to avoid imparting angular velocity in azimuth to the torpedo just prior to release, a gyroscope 10 is provided having an electric contact 13 on its azimuth gimbal ring 12 which wipes over contact-bars 9 and a central gap contact 8 on the sight-bar in order to excite signal lamps 15, 16 that show when the aircraft has been turned to the correct torpedo release position with the sight-bar directed on the target. The red lights 16 are in circuit with a battery 20, switch 21 and the bars 9, and the white light 15 is in a branch circuit including the contacts 13, 8 and a solenoid 17 for actuating the firing contacts 19 and torpedo slip-release 23. The initial quick movement of the aircraft to direct the sight-bar on the target causes a first closure of contacts 13, 8 in passing across the gap between the contacts 9 and energizes the solenoid 17 to partly release the switch-arm 18. A slow movement of the aircraft then again closes the contacts 13, 8 to complete the movement of the switch arm 18 to release the torpedo. By setting the director to zero director-angle, the apparatus may be used for keeping the aircraft on a predetermined course for beacon landing.
Patent GB-943922-A (GB)
Title: Improvements in or relating to the location of leaks in pipelines
IPC: G01M3/00
Filed: 1960-03-25
Abstract: 943,922. Detecting leaks by means of radioactivity. CONTINENTAL OIL CO. March 25,1960 [April 9,1959], No. 10722/60. Heading G1A. In a method of detecting leaks in a pipe-line as described in Specification 943, 921, accuracy of leak location is enhanced by providing groups of radio-active markers 16 at intervals along the line. The radio-activities of the markers in a group differ in order to avoid confusion with leak detection.
Patent GB-1272111-A (GB)
Title: Process for the removal of fatty acid from a hydrocarbon oxidate
Inventor: BROWNLEE WILLIAM HENRY
IPC: C07C51/48
Filed: 1969-02-28
Abstract: 1,272,111. Separating fatty acids from a hydrocarbon oxidate. ALBRIGHT & WILSON Ltd. 28 April, 1970 [28 Feb., 1969], No. 10782/69. Heading C2C. A process for the removal of fatty acids from an oxidate obtained by the oxidation of a hydrocarbon with air or an oxygen-containing gas comprises forming a mixture of the oxidate with an alkali and an aqueous hydrotropic solution, allowing the mixture to separate into an upper organic layer and a lower aqueous soapstock layer, and separating the fatty acids by acidification of the soapstock layer. The hydrotrope may suitably be an alkali metal, alkaline-earth metal or ammonium salt of an aryl or alkyl-aryl sulphonic acid wherein each aromatic nucleus has up to 3 alkyl substituents and the total number of carbon atoms of all the alkyl substituents does not exceed four, e.g. an alkali metal salt of benzene, toluene or xylene sulphonic acid.
Patent GB-217190-A (GB)
Title: Improvements in refrigerating machines
IPC: F25B3/00
Filed: 1924-05-01
Abstract: 217,190. Aktieselskabet Atlas. June 9, 1923, [Convention date]. Refrigerating, compression machines for; cooling gases and liquids, hollow fans and the like for.- In refrigerating machines comprising coaxial rotary casings a, b forming respectively the evaporator and the condenser, the compressor being held stationary within the condenser casing by means of a weight, the casings are supplied with films of brine from a tank f and cooling-water from a tank respectively without immersion of the casings in the liquids, whereby heat losses due to excessive agitation of the liquids are avoided. The films may be obtained by delivering the liquids near to the axes of the surfaces of the casings by means of pumps, or by means of chains, cords or the like k dipping into the liquids and passing round pulleys h on the casings.
Patent GB-129770-A (GB)
Title: Improvements in Apparatus for Rippling or Deseeding Flax.
IPC: D01B1/12
Filed: 1918-12-30
Abstract: 129,770. Portadown Weaving Co., and Greeves, T. J. Dec. 30, 1918. Rippling-apparatus.-The flax straws are laid upon a table e<1> and are held by the operative whilst they are acted upon by a pair of beaters A revolving within a casing a<1>. The beaters are geared together, and their blades a intermesh. The seed bolls are crushed by a pair of rollers c and fall into a receptacle G.
Patent GB-699125-A (GB)
Title: Improvements in and relating to the stabilisation of organic compounds
Inventor: JONES DAVID GWYN
IPC: C09K15/24
Filed: 1951-05-09
Abstract: 2 : 4 : 6 - Trialkyl - 4 - nitro cyclohexa - 2 : 5 - dienones in which at least two of the alkyl groups contain two or more carbon atoms are prepared by reacting a 2 : 4 : 6-trialkyl phenol with nitric acid, preferably in an acid solvent, e.g. formic, acetic or propionic acid.  Specified alkyl dienones are 2-methyl-4 : 6-di-tert.-butyl-, 4 - methyl - 2 : 6 - di - tert. - butyl -, and 2 : 4 : 6-tri - tertiary butyl - 4 - nitro cyclohexa - 2 : 5 - dienone which in the examples are prepared from the corresponding alkyl phenols and 30 per cent by weight nitric acid in glacial acetic acid as solvent.  The product separates as a crystalline solid in each case, and after washing with water is purified from methanol.  These 2 : 4 : 6-trialkyl - 4 - nitro cyclohexa - 2 : 5 - dienones may be employed as anti-oxidants in compositions of matter comprising one or more of the following: aldehydes, ethers, including tetrahydrofuran, unsaturated carboxylic esters, and petrols.  The dienones are present in amounts varying between 0.001-1 per cent by weight.  In an example the inhibition of atmospheric oxidation of nonaldehyde with (a) 4-methyl-2 : 6-ditertiary butyl-4-nitro-chclohexa-2 : 5-dienone, and (b) 2-methyl-4 : 6-di-tertiary-butyl-4 - nitro - cyclohexa - 2 : 5 - dienone is described estimating the extent of oxidation by the acid value of the sample.ALSO:Petrols liable to deterioration arising from peroxide formation, are stabilized by the addition of 0.001-1 per cent by weight of a 2 : 4 : 6-triakyl-4-nitro-cyclo hexa-2 : 5-dienone in which at least two of the alkyl groups contain two or more carbon atoms.
Patent GB-666511-A (GB)
Title: Improvements in or relating to piston and cylinder centring and damping apparatus
Inventor: JOHNSON ALAN CAMERON
IPC: B64C25/60
Filed: 1949-04-25
Abstract: 666,511. Aircraft undercarriages. BRITISH MESSIER, Ltd. March 30, 1950 [April 25, 1949], No. 10949/49. Class 4. [Also in Group XXXII] A centring and damping apparatus comprises, in combination, a damping device comprising two relatively slidable parts, one a damping cylinder and the other a fluid damped piston working therein so designed that movement of the piston from an intermediate position in the cylinder is damped in both directions, and a fluid pressure actuated centring device also comprising two relatively slidable parts, one a cylinder and the other a piston or plunger-means to work therein, one part of the centring device being mechanically coupled to one part of the damping device to move therewith and the other part of the centring device being likewise coupled to the other part of the damping device, so that the centring device opposes movement of the piston in the damping cylinder and urges it towards this position as soon as it moves therefrom in either direction. In the arrangement shown, as applied to a damper which is connected between a bogie truck and a shock absorber leg of an aircraft undercarriage, a piston 22, carried by a hollow piston rod 23 is movable in a liquid filled cylinder 19 which communicates at one end through an orificed valve 29 with a reservoir cylinder 27. The piston 22 is provided with a valve 25 having an orifice 26. A plunger 31 within the reservoir cylinder 27 and which may be loaded by a spring 32 or by compressed air, carries a rod 33 which serves as an index to the amount of liquid within the cylinder. In the position shown, in which the piston 22 is centred relative to the cylinder 19, a free piston 38 which carries a. hollow extension 39 abuts a shoulder 37 within the piston rod 23 and seals a vent 41 to atmosphere, which when the piston 38 moves away from the shoulder, communicates with an annular space between the extension 39 and a reduced diameter portion of the piston rod 23. A rod 42, extending with clearance through the piston 38 from the opposite end of the cylinder 19 'terminates in a head 43 which bears on the inner face of the piston 38. The piston rod 23 is charged with compressed air through a valve 44 and the arrangement is such that, in operation of the damper, the force resisting compression and extension movements is the same. In a modification, a fluid pressure connection may be provided to enable, the damper to be centred only when the undercarriage is to be retracted. In a further modification, Fig. 3 (not shown), the piston 38 may have a passage therethrough additional to that afforded by the clearance between the rod 42 and the piston 38.
Patent GB-570208-A (GB)
Title: Improvements in or relating to the manufacture of hydrocyanic acid and apparatus therefor
IPC: C01C3/02
Filed: 1942-08-10
Abstract: 570,208. Hydrocyanic acid ; catalytic apparatus. IMPERIAL CHEMICAL INDUSTRIES, Ltd., (Montgomery, T. N.). Aug. 10, 1942, No. 11155. [Classes 1 (i) and 1 (ii)] In the manufacture of hydrocyanic acid by the interaction of gaseous hydrocarbons, nitric oxide, and one or more of the gases nitrogen, carbon dioxide, water vapour, and oxygen in the presence of a platinum metal catalyst, that part of the reaction chamber 7 which precedes the catalyst is made of or lined with aluminium or an alloy rich in aluminium, and is cooled, e.g., by a jacket 11. The catalyst, which may be platinum-rhodium alloy on a beryl or alumina carrier, is supported on a grid 9 set in a ring 8 of refractory material. Specification 446,277 is referred to.
Patent GB-623292-A (GB)
Title: Improvements in or relating to high tension safety fuses
IPC: H01H85/10
Filed: 1947-04-25
Abstract: 623,292. Cut-outs. MASCHINENFABRIK OERLIKON. April 25, 1947, No. 11160. Convention date, Aug. 24, 1940. [Class 38 (i)] A fuse element comprises a strip having a narrow portion a, a, between wider ends b, b, variaton in width being continuous in a ratio lying between 1 : 1.5 and 1 : 3, the element length being in centimetres five times as great as the rated kilovolts. The Specification as open to inspection under Sect. 91 comprises also a main conductor equal in length to five times the rated kilovolts in parallel with an auxiliary conductor in series with a resistor which, when the excess voltage on blowing the main conductor rises to 1.5 times the rated voltage, permits the current to blow the auxiliary conductor. This subjectmatter does not appear in the Specification as accepted.
Patent GB-1135927-A (GB)
Title: Improvements in or relating to pockets for garments
IPC: A41D27/20
Filed: 1966-03-14
Abstract: 1135927 Detachable pockets C DOBELL 7 March 1967 [14 March 1966] 11174/66 Headings A3V B8F and F35 [Also in Division E2]  A patch pocket 12 preferably bearing a badge is releasably secured to a garment by for example strips of complementary flexible hooked and looped fibres attached to the garment and pocket. The pocket may be positioned by press studs 15. Alternatively sliding clasp fasteners may be used.
Patent GB-827060-A (GB)
Title: Improvements in or relating to heat exchange apparatus
Inventor: BAUER STEFAN GEORGE
IPC: F28F3/02
Filed: 1955-04-18
Abstract: 827,060. Heat exchangers. ROLLSROYCE Ltd. April 9, 1956 [April 18, 1955], No. 11188/55. Class 64(3) In a tubular heat exchanger in which each tube is of elongated rectangular crosssection and the end portions 11 of the tubes are wider in one transverse dimension and narrower in the other transverse dimension than corresponding dimensions in the main portions 10 of the tubes, a group of such tubes are arranged in a pack with their end portions in contact thereby forming a matrix with the main portions 10 of the tubes spaced apart to define therebetween flow passages for one of the best exchanging fluids, a channelsection frame member 18 or 19 embracing the ends of one or more packs of the tubes and a cover plate 15 or 16 being welded to the outer and deeper flange 18b or 19b respectively of the channel-section frame member 18 or 19 to form a header for another fluid flowing through the tubes. Secondary heating surface secured between the main portions of adjacent tubes may comprise zig-zag strips 14. Secondary heating surface within each tube may comprise a dimpled plate of the kind described in Specification 827,063. In the preferred form a number of the tube packs are arranged within a cylindrical casing 21 (Fig. 4) and are series-connected by headers 15, 16, 17. Liquid sodium flows from an inlet connection 26 through the tubes of each pack to an outlet connection 27, whilst high pressure air flows from an inlet connection 22 over and between the tubes in a single pass to an outlet connection 23. Air flow between the tubes at the transition portions 12 adjacent the tube ends is prevented by masks 20 (Fig. 5). The heat exchanger is enclosed within a heat insulating casing (not shown). The tubes may be made of stainless steel and typical dimensions are given.
Patent GB-317311-A (GB)
Title: Blowers for gas generators mounted upon motor vehicles
IPC: A62B13/00
Filed: 1929-04-11
Abstract: 317,311. Soc. Anon. des Anciens Etablissements Panhard et Levassor. Aug. 13, 1928, [Convention date]. Driving-gear.-A blower for use with gas generators mounted upon motor vehicles has a handle and an electric motor permanently mounted upon its casing, so that either of them can be coupled to the rotor of the blower. The rotor consists of blades 7 on a hub 8 caused, by the key 6, to rotate with the shaft 5; the shaft, however, can occupy two different positions axially in the rotor, these being defined by the engagement of a spring-pressed ball 10 with recesses in the shaft. With the parts in the position shown in the Figure, the rotor is driven by the handle 1 through gearing 3, 4. If the knob 16 be depressed the gear wheels 3, 4 are disengaged and the arm 12 on the disc 11 enters one of the holes 15 in a disc on the shalt of the motor 14 so that the blower can be driven by the motor. Air enters through the openings 18 and is discharged through the conduit 23 which terminates in a flange 24 secured to the generator. The openings 18 may be closed by a shutter 21 operated externally by an arm 22.
Patent GB-899686-A (GB)
Title: Organopolysiloxane lubricants
IPC: C08L83/04
Filed: 1960-03-30
Abstract: A lubricant comprises, by weight, (a) 5 to 20% of heptamethyl-(hexachloro-dicycloheptenyl)-trisiloxane of the formula <FORM:0899686/III/1> and (b) 95 to 80% of a liquid phenylmethylsiloxane composed of chains, end-blocked by (CH3)3SiO- units, of siloxane units of one of the formulae <FORM:0899686/III/2> wherein each R is a methyl or phenyl radical, and within each siloxane chain the ratio of phenyl to methyl radicals is more than 1:5.  Examples are given of mixtures of 10 pts. (by wt.) of the above trisiloxane with 90 pts. of different linear trimethylsiloxy-terminated phenylmethylsiloxanes, and of comparative mixtures of siloxanes.ALSO:A lubricant comprises, by weight, (a) 5 to 20% of heptamethyl-(hexachloro-dicycloheptenyl)-trisiloxane of the formula <FORM:0899686/IV (a)/1> and (b) 95 to 80% of a liquid phenyl methyl siloxane composed of chains, end-blocked by (CH3)3SiO units, of siloxane units of one of the formulae <FORM:0899686/IV (a)/2> wherein each R is a methyl or phenyl radical, and within each siloxane chain the ratio of phenyl to methyl radicals is more than 1:5.  Examples are given of mixtures of 10 pts. (by wt.) of the above trisiloxane with 90 pts. of different linear trimethylsiloxy-terminated phenyl methyl siloxanes, and of comparative mixtures of siloxanes.  By reacting hexachloropentadiene with a vinyl silane or a derivative thereof, the desired trisiloxane may be obtained as well as long chain siloxanes containing the chloroheptenyl radical and other diorganosiloxanes which may be copolymerized in known manner.
Patent GB-150251-A (GB)
Title: Improvement in sheet metal piling
IPC: E02D5/04
Filed: 1920-04-24
Abstract: 150,251. Robinson, L. G. April 24, 1920. Piling. - The piling has the section shown, the locking-hooks b being rolled at right-angles to the web c and then bent over. The flanges a may be at rightangles to the web. Specifications 22398/04, 20663/05, 8011/07, and 12063/12 are referred to.