baber/WOPTO huggingface dataset:
Patent GB-463258-A (GB)
Title: Process of immunizing metal articles
IPC: C23C26/02
Filed: 1935-06-21
Abstract: A corrosion-resistant casing is produced on an article made of a metal which will combine with phosphorus by contacting the article in the solid state with a molten reagent containing one or more metals and at least 0,5 per cent, and preferably at least 2 per cent, of phosphorus.  The casing is produced by the absorption into the article of a certain amount of the phosphorus and the metal or metals of the reagent.  The reagent may be applied by dipping or spraying, or it may be made in the form of a rod and melted on to the article, or applied to the article as powder and melted thereon.  The reagent must contain one or more metals, which, when absorbed, will prevent brittleness, viz.: lead, copper, antimony tin, aluminium, chromium, manganese, cobalt, nickel, and tungsten, but when copper and tin are used together the copper must not exceed 70 per cent and the tin must not be less than 25 per cent.  It may also contain one or more of the metals iron, bismuth, zinc, cadmium, arsenic, mercury, and molybdenum.  The metal or metals may be selected to impart certain desired properties to the metal of the article or to the case, e.g. to assist the diffusion, to give a desired melting point to the case, to give a desired colour or hardness to the article &c. Examples of reagents are: (1) 25-50 per cent of tin, 25-70 per cent of copper, and 2-25 per cent of phosphorus, e.g. 30 per cent of tin, 59,5 per cent of copper, and 10,5 per cent of phosphorus; (2) 25-75 per cent of tin, 20-70 per cent of copper, and 5-10 per cent of phosphorus, with or without 1-15 per cent of one or both of bismuth and antimony; (3) 30-50 per cent of iron, 30-50 per cent of copper, and 5-25 per cent of phosphorus, for example 40 per cent of iron, 35 per cent of copper, and 25 per cent of phosphorus, or 37 per cent of iron, 42,5 per cent of copper, and 20,5 per cent of phosphorus; (4) 30-63 per cent of tin, 30-63 per cent of copper, 1-5 per cent of nickel, 1-5 per cent of chromium, and 5-15 per cent of phosphorus, for example, 35 per cent of tin, 50 per cent of copper, 1,9 per cent of nickel, 3,2 per cent of chromium, and 9,9 per cent of phosphorus; (5) 34-47,5 per cent of tin, 47,5-64 per cent of antimony, and 2-5 per cent of phosphorus, to which up to 20 per cent of lead may be added, the tin and antimony being proportionately reduced.  After forming a case with one reagent the treated article may be contacted with another reagent of different composition.  The treatment of iron or steel plates, sheets, tubes, rods, wire, and castings is referred to.
Patent GB-602609-A (GB)
Title: Ion-exchange resins containing reactive silver
IPC: B01J39/18
Filed: 1945-07-13
Abstract: Phenol-aldehyde cation-exchange resins containing reactive silver are prepared from cation-exchange resins obtained by condensing a mono- and/or poly-hydric phenol with an aldehyde by charging with alkali and then treating with a solution of a silver salt.  Excess of electrolyte, e.g. silver nitrate, or a protective p  colloid may be mixed with the product.  In examples: (1) an alkali-condensed resorcinol-formaldehyde resin is washed free of formaldehyde, then treated thrice with hydrochloric acid and caustic soda successively; dried and ground, and treated for 10 minutes with silver nitrate solution; (2) an acid-condensed resorcinol-formaldehyde resin is dried and aged for 2 months, treated with caustic soda, then hydrochloric acid, then caustic soda again and finally for 10 minutes with silver nitrate solution; (3) an alkali-condensed phenol-formaldehyde resin is sulphonated by sulphuric acid, then treated with acid and alkali twice in succession, then for 5 minutes with silver nitrate solution.
Patent GB-1324149-A (GB)
Title: Copying cinematographic film
IPC: G03D15/00
Filed: 1971-05-28
Abstract: 1324149 Skip-frame printing CONSTANTINFILM GmbH 28 May 1971 [9 June 1970] 17918/71 Heading G2C An arrangement of skip-frame images is produced on a cinematograph film, alternating with a similar series of images running in the other direction, by reducing the images in size and abutting them so that there is substantially no intermediate spacing between the image frames, at the same time providing enough space for. a sound track along each side of the film. Fig. 1 (not shown) is a conventional wide screen negative on 35 mm stock, the image frames being 22 mm x 12.8 mm, spaced apart 19 mm from the centre to centre, and having four perforations per frame. These images are optically reduced without anamorphic distortion to a frame size of 18.8 mm x 9.4 mm, and skip-printed to form a first series of images A spaced apart by the same centre to centre distance of 19 mm. The height of 9.4 mm is about half of this centre to centre spacing, so that a second series of images B fit in between images A. The projector through which the film is run has a mask covering about half the height of the picture gate, so that when the film is run through upwards (as seen in Fig. 3) only the series of images A is seen, and on the return run only the images B are seen. Sound tracks a and b, corresponding to the respective series of images A and B, are provided along each side of the film.
Patent GB-357131-A (GB)
Title: Insulation to various articles of commerce
IPC: F16L59/02
Filed: 1930-06-12
Abstract: Heat-insulating material produced from mica flakes and a farinaceous aerated paste of low density is applied in plastic form by spreading, or in a case or bag and subsequently cured, or in moulded shapes previously cured.  A mixture of flaked mica 8 parts and flour paste 1 part by volume is worked to a light flowing paste and filled into a long narrow case or bag which is wound spirally around a pipe.  The bag, which may be of cotton or jute, becomes impregnated with the composition and the heat from the pipe evaporates the water in the composition and renders it porous.  Alternatively the bag may be filled with dry mica flakes and then soaked in the paste.  In the application to an oven, furnace or boiler, the insulating composition may be applied in plastic form and then covered by fabric. Specification 352,680 is referred to.
Patent GB-572558-A (GB)
Title: Improvements in and relating to parallel-jaw gripping, crushing and perforating tools such as pliers, tattooing forceps, castrators and the like
IPC: B25B7/04
Filed: 1943-11-02
Abstract: 572,558. Pliers. MUTER, A. J. Nov. 2, 1943, No. 18114. [Class 61 (ii)] Sliding-jaw tattooing &c. pliers comprise a pair of L- shaped jaw members 1, 2 with interfitting bases 5 sliding on one another, each base having a tongue part projecting towards the adjacent base and a complemental channel 6 in which the opposing tongue slidably fits, separation of the two bases being prevented as by means of balls, rollers &c. 25 engaging grooves formed along the bottom or top edges of the tongues. The jaws are operated by a pair of levers 15 and intermediate links 19.
Patent GB-662298-A (GB)
Title: Improvements relating to self-locking nuts and like internally screw-threaded members
Inventor: OXFORD LEONARD GEORGE
IPC: F16B39/34
Filed: 1949-07-08
Abstract: 662,298. Making nuts. SIMMONDS AEROCESSORIES, Ltd. June 7, 1950 [July 8, 1949], No. 18119/49. Class 83 (ii). [Also in Group XXV] Lock-nuts of the type in which a nylon &c. ring is secured in a recess of the nut are made by turning away part of the nut to leave an annular wall 3 and rib 5. Parts of the rib are punched down into the bottom of the recess leaving a number of projections 6 that penetrate the ring and secure it against rotation when the wall 3 is beaded over on to the ring.
Patent GB-636230-A (GB)
Title: Improvements in or relating to coupled circuits
IPC: H03H7/01
Filed: 1947-07-09
Abstract: 636,230. Valve circuits for radio reception. STANDARD TELEPHONES & CABLES, Ltd., and HOLLAND. J. D. July 9, 1947, No. 18159. [Class 40 (v)] A coupling network between I.F. amplifiers 1, 2, comprises a transformer 6 having main primary and secondary windings 7, 11 tuned to resonance by condensers 15, 16, and auxiliary primary and secondary windings 17, 18 connected to respective reactance elements 21, 22 through switching means a<1>, a to alter the resonant frequency. This enables the reactances and switching means to be disposed at a distance and connected by screened leads 19, 20. Conveniently, the switch means a<1>, a<2> are operated by a relay A under the control of the slider of a switch 24 when moved by a wave range switch into its two end positions. This' gives a higher I.F. for the two lowest frequency ranges. The reactances 21, 22 may be condensers.
Patent GB-911642-A (GB)
Title: Improvements in or relating to ferromagnetic materials
IPC: C04B35/26
Filed: 1959-05-28
Abstract: 911,642. Magnetic compositions. PHILIPS ELECTRICAL INDUSTRIES Ltd. May 28, 1959 [May 31, 1958], No. 18219/59. Class 38 (2). A ferromagnetic garnet derived from yttrium iron garnet Y 3 Fe 2 Fe 3 O 12  is given by the formula Y 3 -  -a-b  Ca a  Ce b  Fe 2-m-n  Ti m  Mg n  Fe 3 -x-y Six Bey O 12 , where and In manufacture mixtures of metal oxides or oxide-yielding compounds are ground and presintered once or several times, reground and finally sintered in an atmosphere having an oxygen content higher than air. The sintering processes take place between 1200 C. and 1500 C.
Patent GB-488675-A (GB)
Title: Method for packing glass fibres
IPC: B65B27/12
Filed: 1937-06-30
Abstract: 488,675. Compound sheet materials. NAAMLOOZE VENNOOTSCHAP MAATSCHAPPIJ TOT BEHEER EN EXPLOITATIE VAN OCTROOIEN. June 30,1937, No. 18226. Convention date, June 30, 1936. [Class 140] [Also in Groups XVII and XIII] Glass fibres 1 are packed by assembling them on a conveyer belt 2 where they are compacted into a continuous mat by rolling. The mat passes on to a web 4 of paper passing over a conveyer belt 3, after which it is wound up with the paper into a roll 6. The paper may be provided with a layer of cement or tar to cause the fibres to adhere to it. The product may be used as an insulating material or for coating walls.
Patent GB-584758-A (GB)
Title: Improvements in dyeing textile materials
IPC: D06P1/92
Filed: 1944-09-25
Abstract: Textile materials having a basis of synthetic linear polyamides are coloured by mechanically impregnating the material (e.g. by padding or spraying) with a solution of a dye for the polyamide in a liquid comprising methyl, ethyl or n- or iso-propyl alcohol (or mixtures thereof), water and a swelling agent for the polyamide, the alcohol comprising 55-65 per cent of the liquid by weight.  The dye liquid advantageously contains also an aliphatic monocarboxylic acid containing up to 4 carbon atoms in the molecule, e.g. acetic, propionic or butyric acid, preferably in the proportion of from 1 to about 8 (e.g. 1.5-2.5) per cent by weight.  The textile materials, which may be dyed in fabric form or in other forms, e.g. in the form of staple fibre as a top or a roving, may be made of fibres or filaments spun from polyamides derived from diamines NH2.CH2.R.CH2.NH2 and dicarboxylic acids HOOC.CH2.R1.CH2.COOH or their amide-forming derivatives (wherein R and R1 are bivalent hydrocarbon radicals free from olefinic and acetylenic unsaturation, R having a chain length of at least 2 carbon atoms, and particularly wherein R is (CH2)x and R1 is (CH2)y, x and y being integers and x at least 2), e.g. polytetramethylene or polyhexamethylene adipamide, suberamide or sebacamide, polypentamethylene suberamide, polyoctamethylene or polydecamethylene adipamide, polydecamethylene p-phenylenediacetamide or poly-p-oxylylene sebacamide, or those prepared from polymerizable monoamino-monocarboxylic acids, e.g. 6-aminocaproic or 9-aminononanoic acid, or their amide-forming derivatives.  Suitable dyes, of which, if desired, more than one may be employed, in admixture or successively, are acid dyes of the kind used for dyeing wool, or dyes substantially insoluble in water and capable of colouring cellulose acetate materials from aqueous suspension.  The amount of swelling agent may be 2-7 per cent on the weight of the dye liquid.  In examples: (1) a fabric woven of polyhexamethylene adipate yarn is pad dyed with a solution of 1-methylamino - 4 - isopropylaminoanthraquinone - 2 - carboxyamide in aqueous ethyl alcohol containing phenol and, if desired, acetic acid; (2) the dyestuff in (1) is replaced by Xylene Milling Blue GL.  Other swelling agents specified are m- and o-cresol, formic acid, benzenesulphonic acid, glycerine dichlorhydrin, aniline salt, a -and b -naphthol, o- and p-toluidine and benzidine.  The Specification as open to inspection under Sect. 91 comprises also the use of other proportions of the alcohols and of other lower aliphatic alcohols, e.g. n-, sec.- and tert.-butyl and -amyl alcohol.  This subject-matter does not appear in the Specification as accepted.
Patent GB-297529-A (GB)
Title: Improvements in or relating to tap changers for electric transformers
IPC: H01H9/00
Filed: 1927-07-11
Abstract: 297,529. Diggle, H., and Metropolitan- Vickers Electrical Co., Ltd. July 11, 1927. Regulating transformers.-Relates to transformers of the kind in which one of the windings is divided into two sections normally operating in parallel, each section being provided with tappings and associated with switch gear whereby the sections may be removed from circuit in turn while a change in tap connections is effected, and consists in improved mechanism for operating the switch gear. The mechanism comprises a pair of shafts 7, 8 gear-driven from a power- or manually-operated member 16, each shaft being provided with a cam 17, 18 and with a flanged wheel 19, 20 having a roller 23 mounted between its flanges. The cams 17, 18 are adapted to operate in turn through link mechanism 43 - - 50 a pair of circuit breakers 39 one in each section of the winding. The rollers 23 are adapted to engage notches 35 in a pair of star-shaped wheels 33, 34 mounted on shafts that operate the tapchanging switches for the two winding sections, the wheels 33, 34 being so shaped that they are normally locked against rotation by engagement with the wheels 19, 20. The arrangement is such that in cne revolution of the driving member 16, first one circuit breaker is opened to withdraw the corresponding winding section from circuit, the tap connection of that section is then changed one place by a partial rotation of the tapping switch shaft due to engagement of one roller 23 with the corresponding notched wheel. the circuit breaker then being re-closed. The other circuit breaker is then caused to open and by a similar cycle of operations, a similar change in the tap connection of the other winding section is effected and the circuit breaker re-closed, thus bringing the two sections into parallel operation again. A disc 52 marked to indicate the tap connection in use is geared to the shaft 8, and is provided with projections 55, 56 co-operating with a stop 54 to limit operation of the mechanism in the extreme positions. Alternatively, electric indicating mechanism may be used, and, when the driving member 16 is motor-operated, pilot switch control may be employed with forward and reverse limit switches. A suitable tapchanging switch adapted to be mounted in the transformer tank is shown in Fig. 4, and comprises an insulating base 65 carrying fixed contacts 70 to which tappings are connected in the order shown in Fig. 6. The fixed contacts are adapted to be bridged a pair at a time by movable contacts 82 carried by a pair of arms 81 projecting radially from a. member 74 journaled in the base 65 and coupled by a universal joint to an insulating shaft 62 similarly coupled to a spindle 28. A pair of such switches, one for each winding section are mounted in the transformer tank, and the two spindles 28 are connected respectively to the star-shaped wheels 33, 34. Specification 269,156 is referred to.
Patent GB-514594-A (GB)
Title: Process for improving aluminium-beryllium alloys
IPC: C22F1/04
Filed: 1938-01-26
Abstract: 514,594. Alloys ; annealing. SERI HOLDING SOC. ANON. Jan. 26,1938, No. 18563/39. Convention date, June 30, 1937. Divided out of 513,773. [Classes 72 and 82 (i)] Aluminium alloys containing 1-3 per cent. of beryllium contain also up to 2 per cent. of manganese with or without up to 4 per cent. of iron. The alloys may be quenched in water or air from 470-515‹C. and thereafter annealed at 160-190‹C. for 1-10 hours one or more times. This may be followed by magnetic or electric treatment, e.g. with supersonic waves. Specification 295,265, [Class 82 (i)], is referred to. The Specification as open to inspection under Sect. 91 comprises also the subject-matter of Specifications 513,773, 514,593 and 514,595. This subject-matter does not appear in the Specification as accepted.
Patent GB-864695-A (GB)
Title: Artificial yarn-like structures and process for their production by fibrillation
IPC: D02G1/16
Filed: 1958-06-10
Abstract: A bulky yarn-like structure is made by fibrillating a strand consisting of or containing a synthetic organic polymer by the beating action of a fluid flowing in a highly turbulent stream at high velocity while the strand is kept slack or under a very low tension.  The product is in the form of a bundle of fibres, at least some of which are shorter than the length of the bundle. The strand is preferably a strip of film, the material of which has been rendered fibrillatable by drawing the film lengthwise until the film material has been highly oriented in this direction.  The fluid may be a liquid but is preferably a gas such as air introduced at least 1/2 sonic velocity into a passageway through which the strip is advanced.  The polymer may be a polyethylene, a polyacrylonitrile, a polyamide, a polyethylene terephthalate, a polyurethane, a copolymer of 94 parts of acrylonitrile and 6 parts of methyl acrylate or a 70/30 mixture of polyacrylonitrile and tetramethylene sulphone.  A list of other polymers which may be used is given. The turbulence and treatment conditions may be so controlled that the fibrils of the structure remain connected to form an integral network, or the fibrillated strand may be subjected to a beating action vigorous enough to tear some of the fibrils to produce loose ends.  The fibrillatability of the strands may be increased by selecting for the strand material a blend of two polymers or copolymers which, whether chemically related or not, are only partially compatible.  More than one strand of the fibrillatable material comprising the same or different polymers may be subjected to the treatment in the same turbulent zone.  One or more non-fibrillatable strands, such as a yarn or a bundle of continuous filaments, may be led through the zone of turbulence together with the fibrillatable strand or strands.  In an example, a film of a linear polyethylene 0,1 mil. thick and 1/16 inch wide, which has been drawn at 90 DEG C. to 12 times its original length, is passed at about 30 feet per minute through a cylindrical passageway into which leads an air passageway whose axis intersects that of the yarn passageway at an angle of about 45 degrees and is inclined forward in the direction of travel of the yarn.  Air at 40 p.s.i. pressure is introduced into the air passageway so that the narrow strip of film is passed through a stream of air travelling concurrently with the strip at high velocity.  The structures of the invention have the warmth and appearance of staple spun yarn but substantially higher strength. U.S.A. Specification 2,852,906 is referred to.
Patent GB-776220-A (GB)
Title: Improvements in and relating to two-stroke internal combustion engines
IPC: F02B75/02
Filed: 1955-06-28
Abstract: 776,220. Pistons. LIST, H. June 28, 1955 [July 2, 1954], No. 18603/55. Class 122 (1). In a two-stroke internal combustion engine with piston-controlled intake and exhaust ports lubricating oil consumption is reduced by supplying scavenging air from the intake ports 5 through an axial conduit 12 in the piston 4 to an annular groove 11 provided in the piston adjacent the oil scraper rings 9, 10. The axial conduit 12 may be provided by a local flattening of the piston in the vicinity of an intake port or by an axial groove. The annular groove 11 may be located a small distance above the top oil scraper ring or, as shown in Fig. 5, an annular groove 11 is provided above each oil scraper ring 9, 10, the grooves communicating with each other by a passage 12.
Patent GB-352697-A (GB)
Title: Improvements in or relating to oscillation dampers, with particular reference to shock absorbers for vehicles
IPC: F02M15/02
Filed: 1930-06-20
Abstract: 352,697. Shock-absorbers. SARRI, T., 20, Rue Brunel, Paris. June 20, 1930, No. 18879. Convention date, July 12, 1929. Addition to 318,615, [Class 108 (iii), Springs &c.]. [Class 108 (iii).] The cam operated vibration-damper with elastic and frictional resistance described in the parent Specification is provided with an operating member in two parts which may be adjusted relatively to one another and then locked, so that the projections on the two sets of cams may face one another when the vehicle is normally loaded. The operating arm b is connected to the two outer sets of cams e<2>, f<2>, and the arm a is connected to the intermediate pair of outwardly facing cams el, f<1>, in an adjustable manner. The end of the arm a is divided so as to encircle the drum on the sides of which the cams e<1>, f<1> are formed and the arm is clamped to the drum by a screw o, after the two have been adjusted so that the cam projections face one another with the vehicle normally loaded.
Patent GB-390977-A (GB)
Title: An improved process for raising the impact bending strength of acetyl cellulose masses moulded by injection
IPC: C08K5/521
Filed: 1932-07-04
Abstract: Cellulose acetate is plasticized by means of a trialkyl phosphate in the presence of water, and if desired, other plasticizers.  In examples, cellulose acetate is worked up on hot rollers in the presence of water and (1) tripropyl phosphate, (2) tributyl phosphate and tripropyl phosphate, (3) tripropyl phosphate and dimethyl phthalate, or (4) dibutylpropyl phosphate until the water is expelled.  In a further example, cellulose acetate, tripropyl phosphate, water, methylene chloride and alcohol are mixed together in a mixing apparatus without rolling. The products are particularly suitable for moulding by injection.ALSO:Cellulose acetate is plasticized by means of a trialkyl phosphate in the presence of water, and if desired, other plasticizers.  In examples, cellulose acetate is worked up on hot rollers in the presence of water and (1) tripropyl phosphate, (2) tributyl phosphate and tripropyl phosphate, (3) tripropyl phosphate and dimethyl phthalate, or (4) dibutylpropyl phosphate, until the water is expelled.  In a further example, cellulose acetate, tripropyl phosphate, water, methylene chloride, and alcohol are mixed together in a mixing apparatus without rolling. The products are particularly suitable for moulding by injection.