baber/WOPTO huggingface dataset:
Patent GB-984965-A (GB)
Title: Photoconductive systems
IPC: G03G5/07
Filed: 1962-02-06
Abstract: 984,965. Electrophotographic processes. RADIO CORPORATION OF AMERICA. Feb. 6, 1962 [Feb. 16, 1961],No. 4604/62. Heading G2H. [Also in Division H1] A supported or self-supported photoconductive layer for electrophotography is made from a composition containing an organic resinous material in which is dissolved a substituted di- or triphenyl methane or a substitute benzophenone. The nature of the substituents is specified in a general formulae for the additive. In one method of use the material is charged with a negative corona, exposed using a tungsten source, and developed by being immersed in a liquid developer consisting of pigmented thermoplastic particles dispensed in a mixture of silicone oil and trichlorotrifluoroethene. Alternatively the material may be exposed prior to charging and non-fusible toners may be used since on heating they sink into the resin surface. To reproduce a coloured master separate colour images are formed and developed sequentially on the same material. Fixing may take place after all the images have been developed or, since these materials when self-supported or where supported by glass or metal substrates have good thermal dimensional stability, fixing may take place after each development step. In a second method a plurality of self-supporting films are used (made for example of bis-(4-dimethyl amino-phenyl)-phenyl-methane dissolved in a copolymer of vinyl chloride). Separate images are formed on different films (for example, corresponding to red,blue,and yellow images) and developed and fixed. Specification 807,798 and U.S.A. Specification 2,874,063 are referred to.
Patent GB-401152-A (GB)
Title: Arrangement of several exhaust-driven turbo blowers in combination with multi-cylinder internal combustion engines
IPC: F02B37/007
Filed: 1933-02-15
Abstract: 401,152. Pumps; submarines. BœCHI, A., 20, Salstrasse, Winterthur, Switzerland. Feb. 15, 1933, No. 4627. Convention date, Feb. 27, 1932. [Class 7 (ii).] Two or more exhaust turbines 39, 41 jointly receive the exhaust from one or a group of cylinders of one or more engines. Different turbine chambers are served by the groups of associated engine cylinders. The rotary blowers driven by the turbines deliver into connected conduits. In submarines, two nine-cylinder engines 10, 10a are arranged with the exhaust turbines and associated blowers between the engines and the shell. The turbines and blower axes are parallel to the engine crankshafts, the blower portions being adjacent to each other.
Patent GB-350924-A (GB)
Title: Process for the pigmentation of organic cellulose esters and ethers
IPC: C08J3/21
Filed: 1930-02-11
Abstract: In the manufacture of varnishes comprising solutions of coloured water-insoluble organic cellulose esters and ethers, the latter are coloured by mixing or stirring the powdered ester or ether and a powdered preformed pigment together in a liquid comprising a solvent for the ester or ether with a substantially equal volume of water. The coloured ester or ether may be filtered, washed and dried, and dissolved in an organic solvent. In an example, cellulose acetate powder is stirred with powdered titanium dioxide or Prussian blue in a mixture of equal volumes of acetone and water, and after 4 to 5 hours the coloured ester is filtered, washed and dried.  Metal powders, e.g. aluminium, gold, bronze, or copper, may be similarly fixed on cellulose acetate. Specification 19735/08, [Class 2, Acids and salts, Organic &c.], is referred to.ALSO:Water-insoluble organic cellulose esters and ethers are coloured by mixing or stirring the powdered ester or ether and a powdered preformed pigment together in a liquid comprising a solvent for the ester or ether with a substantially equal volume of water.  The coloured ester or ether may be filtered, washed and dried, and dissolved in an organic solvent to produce coloured solutions suitable for making films, filaments, varnishes, &c.  In an example, cellulose acetate powder is stirred with powdered titanium dioxide or Prussian blue in a mixture of equal volumes of acetone and water, and after 4-5 hours the coloured ester is filtered, washed and dried.  Metal powders, e.g. aluminium, bronze or copper, may be similarly fixed on cellulose acetate, and the method may be applied to the manufacture of gold-pigmented films for tipping cigarettes.  Specification 19735/08, [Class 2, Acids and salts, Organic &c.], is referred to.ALSO:In the manufacture of gold-pigmented films, for tipping cigarettes, from water-insoluble organic cellulose esters and ethers, the powdered ester or ether and the powdered preformed pigment are stirred together in a liquid comprising a solvent for the ester or ether with a substantially equal volume of water. The coloured ester or ether may be filtered, washed and dried, and dissolved in an organic solvent to produce coloured solutions suitable for making the films.  In an example, cellulose acetate powder is stirred with the pigment in a mixture of equal volumes of acetone and water, and after 4-5 hours the coloured ester is filtered, washed and dried.  Specification 19735/08, [Class 2, Acids and salts, Organic &c.], is referred to.
Patent GB-1015319-A (GB)
Title: Transporter vehicles
Inventor: CARTER ALASTAIR HOWROYD
IPC: B60P3/08
Filed: 1964-02-04
Abstract: 1,015,319. Car transporters. CARTER ENGINEERING CO. (TAMWORTH) Ltd. Nov. 25, 1964 [Feb. 4, 1964], No. 4632/64. Heading B7B. The driving cab 14 for a car transporter is disposed underneath the upper tracks 13 and by the side of the lower tracks 16 which are cranked as shown.
Patent GB-123854-A (GB)
Title: Improvements in Screw Pickets for Supporting Barbed Wire.
Inventor: JENKINS HILDA MAGDALENE
IPC: E04H17/06
Filed: 1918-03-18
Abstract: 123,854. Jenkins, H. M., (Jenkins, F. N.). March 18, 1918. Fencing -posts. - A fencing standard adapted to support barbed wire entanglements comprises a metal rod B provided at the base with a spiral E for screwing into the ground and with three wire supports. The top support A is formed by twisting the rod spirally for a turn and a half and the lower one consist of cross pieces D<1>, D<2> formed integrally with the standard and provided with oppositely-directed prongs C<1>, C<2>, C<3>, C<4>.
Patent GB-1027512-A (GB)
Title: Improvements in or relating to the thermal decomposition of hydrocarbons
IPC: C10G9/36
Filed: 1964-02-04
Abstract: In the production of acetylene and ethylene by pyrolysis of hydrocarbons by contact with a combustion gas obtained by feeding fuel gas and comburent gas through pairs of opposed jets downwardly inclined at an angle to the axis of the combustion chamber and arranged on a circle concentric with the axis and having a diameter greater than half the diameter of the combustion chamber the momenta of the fuel and comburent gases are controlled to direct the resultant flames radially inwards.  In one embodiment, Fig. 5 (not shown), using jets at 45 degrees to the axis and 90 degrees to each other, the momenta are arranged so that the resultant vector EF crosses the plane at which hydrocarbons are introduced on a circle having half the diameter of the chamber.  This is alternatively arranged by having jets at appropriate angles, Fig. 6 (not shown), and using equal momenta or by a combination of the two methods. Steam may also be injected.
Patent GB-790668-A (GB)
Title: Improvements in or relating to electrical circuit elements coated with insulating coatings
IPC: H01B3/00
Filed: 1956-02-15
Abstract: An electrical circuit element is provided with an insulating coating containing at least 55 per cent and not more than 75 per cent, based on the dry weight of the coating, of a filler of which the greater portion by weight is constituted by particles each of which has a maximum dimension of between 0.08 mm. and 3.0 mm.  One or more coatings may be provided, and other coatings may be applied before, after or sandwiched between coatings of the invention.  Coatings are applied by known methods, e.g. immersion, spraying or bushing, the object being to provide a coating of at least 0.5 mm. thickness at one application.  Fillers may be of any solid non-conducting material, preferably inorganic, and include quartz, marble, talc, silicates, oxides, mica, glass, asbestos, calcium carbonate, silica, as powder, granules, small flakes, short fibres or filaments. Carriers include asphalt, natural resins or synthetic resins.  In an example resistors are immersed in a composition based on phenol formaldehyde and powdered silica, which after drying and baking for about 2 hours at 160 DEG  C. gives a coating of thickness of about 0.5 mm.  Specification 362,728 is referred to.ALSO:Electrical circuit elements are provided with an insulating coating containing at least 55 per cent and not more than 75 per cent, based on the dry weight of the coating, of a filler of which the greater portion by weight is constituted by particles each of which has a maximum dimension of between 0.08 mm. and 3 mm.  One or more coatings may be provided, and other coatings may be applied before, after or sandwiched between coatings of the invention.  Fillers specified are quartz, marble, talc, silicates, oxides, mica, glass, asbestos, calcium carbonate and silica: as powder, granules, flakes, fibres or filaments. Carriers include glycerol phthalate, phenol-formaldehyde, melamine-aldehyde, silicone or epoxy resins.  In an example, the coating composition contains (parts by weight) unpolymerized phenol-formaldehyde, 10.5 per cent; stand oil (boiled linseed oil) 300 poises, 13.2 per cent; precipitated calcium carbonate, 9.6 per cent; lead, cobalt and manganese naphthenates, 0.1 per cent each; commercial white spirit, 14.4 per cent; silica powder sieved, 52 per cent.  Specification 362,728, [Group III], is referred to.
Patent GB-514883-A (GB)
Title: Improvements in or relating to sound camouflage
IPC: F41A33/04
Filed: 1938-02-16
Abstract: 514,883. Reproducing noise effects. BAZE, M. Feb. 16, 1938, Nos. 4842 and 4843. Void. Convention dates Feb. 16, 1937 and Dec. 28, 1937. [Class 40 (iv)] [Also in Groups XXI and XXXVIII] Relates to the production of noise effects simulating gun fire, -movements of troops &c. so as to give an enemy the impression of armament much superior to that actually available. The figure shows an arrangement comprising a machine-gun nest M containing a microphone connected through a camouflaged amplifier R with one or more loud-speakers H hidden in a tree. To imitate night-firing, a system of rockets may be employed to simulate the bursting of shells. If desired, gramophone records of the desired noises may be reproduced through amplifier and loud-speaker.
Patent GB-696744-A (GB)
Title: Improvements in or relating to pivot linkage assemblies
IPC: F16L15/00
Filed: 1952-02-25
Abstract: 696,744. Hinges. THOMPSON PRODUCTS, Inc. Feb. 25, 1952, [April 14, 1951], No. 4868/52. Class 65 (ii) A pivotal connection between a first and second member comprises a portion on the first member formed with annular grooves, a pair of semi-annular bearing elements surrounding and engaging said portion, and a resilient sleeve stretched about said elements and retained in a socket portion on the second member. As shown, the idler arm 11 of the steering linkage of a motor vehicle is connected in the aforesaid manner at its respective parallel ends 16 to frame bracket 12 and a centre link 14, said ends being screw-threaded. The latter connection comprises a pair of sheet-metal shells 26 surrounding one of the ends and impressed with corresponding screw threads, the shells being forced into a rubber sleeve 25 which in turn is forced into a cylindrical socket 24 and is compressed longitudinally between radial flanges 27 on the shells and a nut 36. The longitudinal edges of the shells are turned outwardly as at 30, Fig. 2, and are spaced apart to form channels 31 supplied with lubricant by a fitting 35. The bracket 12 is formed from a tubular member, one end constituting a socket 20 and the other end being flattened to form an attachment plate 17. The socket contains a pair of sheet-metal shells 39 and a rubber sleeve 38, the outer end of the socket being closed by a washer 41 which compressses the sleeve longitudinally. The shells are spaced apart to form longitudinal lubricant channels 48 and the socket is provided with a lubricator fitting 45. The ends 16 and the shells are case-hardened.
Patent GB-420124-A (GB)
Title: Improvements in coal distillation ovens and the like
IPC: C10B5/02
Filed: 1934-02-14
Abstract: 420,124. Coke ovens. TOTZEK, F., 142, Am Muhlenbach, Essen, Germany. Feb. 14, 1934, No. 4921. [Classes 51 (ii) and 55 (i)] The heating walls 4 of a coke oven are built up of a single layer of bricks which have horizontal grooves or recesses 17 connected by vertical grooves 18 which lead at their upper ends 20 into the gas collecting space over the charge in the oven 1. Distillation gases which penetrate the walls at the lower part of the oven chamber are led by two passages 17, 18 into the gas collecting space, thus preventing escape of distillates. When working at medium temperatures the thickness of the bricks may be increased to 130 or 150 m.m., and the temperature of the heating flues must accordingly be increased to a temperature which promotes the deposition of graphite and automatic packing of the masonry joints.
Patent GB-364898-A (GB)
Title: Improvements in or relating to appliances for use in waving or curling the human hair
IPC: A45D7/06
Filed: 1931-02-17
Abstract: 364,898. Hair-waving appliances. GRIESS, E., 282, Glossop Road, Sheffield. Feb. 17, 1931, No. 4943. [Class 131.] In hair-waving devices of the kind in which a receptacle containing a treating preparation is placed over the curler on which the hair is wound, heat being then applied to cause vapour to be evolved from the preparation and to act upon the hair, the container comprises two concentric perforated cylinders b, c, the outer one having considerably larger perforations than the inner one. The preparation may be in the form of a paste, in which case the ends of the annular space between the cylinders are left open and the paste is pressed through the openings in the outer cylinder. When a liquid preparation is used, the ends of the annular space between the cylinders are closed and the space is filled with absorbent. In use, the hair, wound on a curler and covered with a wrapping of paper or the like, is placed in the container, which is then wrapped in a cover of liquidproof paper and placed in an electric heater.
Patent GB-233659-A (GB)
Title: Transportable lime- and manure spreader
IPC: A01C15/12
Filed: 1925-02-23
Abstract: 233,659. G÷rner, G. Feb. 23, 1925. Manure and lime distributors.-The container increases in size from the top downwards and has a hinged bottom which is continually shaken, so as to discharge the manure &c. through any adjustable opening, by means of toothed or camshaped wheels mounted below it and driven from the travelling wheels. The bottom plate b is hinged to the front wall a and carries rollers d resting on toothed wheels g on a shaft f driven by chains o. The teeth on the wheels g areshaped so as to raise the plate b slowly and let it drop suddenly. The wheels g are protected by angle plates s. The discharge opening i is adjusted by means of a flap k actuated by a lever l. The inclination of the container relatively to the pole D is adjusted by means of a screw t and a bolt y passing through a slotted plate x which is graduated to indicate the inclination of the plate. b or the quantity of manure discharged.
Patent GB-1129974-A (GB)
Title: Production of vinyl ester polymer dispersions
Inventor: SLIWKA WOLFGANG
IPC: C08F2/22
Filed: 1966-02-04
Abstract: 1,129,974. Coating. BADISCHE ANILIN - & SODA-FABRIK A.G. 4 Feb., 1966 [5 Feb., 1965], No. 4948/66. Heading B2E [Also in Division C3] Substrates may be coated with aqueous dispersions of vinyl ester polymers prepared by polymerising vinyl esters in the presence of catalysts and modified polyvinyl alcohols which are saponification products of copolymers of 90 to 99.9 weight per cent of a vinyl ester of a C 1-3  aliphatic saturated monocarboxylic acid and 0.1 to 10 weight per cent of a vinyl ester of a C 4-20  aliphatic saturated monocarboxylic acid in which the carboxylic group is α to a tertiary or quarternary carbon atom. In an example cardboard is coated with a dispersion of polyvinyl propionate prepared in the presence of a saponified vinyl acetate/vinyl 2,2,4,4- tetramethyl valerate copolymer, said dispersion being mixed with a paste of lithopone in aqueous ammonium polyacrylate solution.
Patent GB-674440-A (GB)
Title: Improvements relating to the manufacture of copper oxide rectifiers
IPC: H01L21/16
Filed: 1950-02-27
Abstract: Prior to oxidation, blanks for copper oxide rectifiers are treated with hydrogen iodide, preferably an aqueous solution thereof containing 1.8-3.6 parts per million.  Prior to such treatment they may be cleaned in 50 per cent nitric acid and rinsed, and subsequently thereto may be heated for 13 minutes at 1030 DEG C, cooled in air to 550 DEG C and annealed at that temperature for 10 minutes.
Patent GB-700273-A (GB)
Title: Improvements in or relating to a process of making cathode ray tubes
IPC: H01J29/02
Filed: 1952-02-26
Abstract: 700,273. Cathode-ray tubes. INTERNATIONAL BUSINESS MACHINES CORPORATION. Feb. 26, 1952 [June 19, 1951], No. 4992/52. Drawings to Specification. Class 39(1) A high voltage of high frequency is applied to the outer surface of a cathode-ray tube face bearing internally a secondary emissive screen, to remove imperfections, that is areas wherever the secondary emission ratio is different from that of the majority of the screen. The imperfections are first shown, up on an oscilloscope connected to a metal foil on the outer surface of the tube face. The foil is then removed and a probe connected to a Tesla coil is applied to the areas of the screen where the imperfections are located. The cathoderay tube is used in storage systems, the foil being retained to form the signal electrode.
Patent GB-535883-A (GB)
Title: Improvements in type bar rests for typewriting machines
IPC: B41J7/22
Filed: 1940-03-19
Abstract: 535,883. Typewriters. ROYAL TYPEWRITER CO., Inc. March 19, 1940, No. 5141. Convention date, April 14, 1939. [Class 100 (iv)] A rebound-preventing and noise-reducing rest for the type-bars of a typewriter consists of a loosely assembled set of thin, wide, arcuate laminae 5 which are made from metal, fibre, or composition, and are sufficiently stiff to retain their shapes. The laminae may be of the same or different thicknesses. Sound-deadening airspaces occur between adjacent laminae. The assembly may be enclosed in a fabric cover or tube 8 which may be secured to an arcuate support 1 by means of tie-threads 13. The cover may be provided with a striking-face 11 of leather &c. secured by tie-threads 12. Specification 483,384 is referred to.
Patent GB-1158235-A (GB)
Title: Improvements relating to Gear Cutting Machines with Intermittent Indexing Mechanisms.
IPC: B23F23/08
Filed: 1968-02-01
Abstract: 1,158,235. Gear cutting. GLEASON WORKS. 1 Feb., 1968 [13 March, 1967], No. 5171/68. Heading B3K. A gear-cutting machine has a work spindle 24 rotatably mounted in a housing 22, a notched index plate 28 mounted on the spindle for limited rotation relative thereto, means for engaging and disengaging a pawl 31 in and from the notches in the index plate and for angularly advancing the plate, and fluid pressure means acting between the plate and spindle in timed relation to the indexing of the plate for effecting said limited relative rotation. An axially movable and partially rotatable spindle 35 carries a cam 33 engageable with a follower 34 for moving the pawl 31. A pin 41 on the spindle engages slots 42 on the underside of the plate 28 to advance it angularly. The required axial and rotational movements of the spindle 35 are effected by hydraulic piston valve means 39 and a vane-type motor 37. Hydraulically operable pistons 55, 56 in a cylinder block 57 secured to the work spindle 24 bear on either side of an upstanding abutment 58 on the index plate 28 and effect the desired relative rotation of plate and spindle. The extent of this relative rotation may be adjusted to zero by means of a micrometer adjusted screwed pin 62. Cams 53, 68, Fig. 5, on the work spindle control the operations of the vane-type motor 37, piston valve 39 and the pistons 55, 56 in suitably timed relation. The invention is applied to selectively controlling the extent of taper of the teeth and tooth spaces of curved tooth bevel gears (Figs. 1, 2, not shown). The cutter may be similar to that disclosed in Specification 1,072,208.
Patent GB-573217-A (GB)
Title: A method of preventing subterranean fires
IPC: A62C3/02
Filed: 1943-03-31
Abstract: 573,217. Preventing subterranean fires. CEMENTATION CO., Ltd., NEELANDS, A. R., and PICKERSGILL, W. A. March 31, 1943, No. 5183. [Class 47 (ii)] Fires are prevented in subterranean formations or deposits containing material liable to .combustion by drilling holes down into the formation &c. and introducing through such holes a material of such a nature that it will dissociate upon the initiation of combustion with liberation of carbon dioxide ; a suitable material is an alkaline earth such as calcium carbonate in an emulsified, powdered or slurried condition. If combustion commences and dissociates the calcium carbonate into carbon dioxide and quicklime water may be pumped into the formation thereby causing the quicklime to swell and seal any voids which may crust and form a cementing matrix throughout the treated formation. Instead of water carbon tetraohloride may be injected or foam producing solutions such as soda bicarbonate and aluminium sulphate. In addition fire-resisting barriers may be formed by injecting cement &c. forming walls or dams circumscribing the potential fire zone.
Patent GB-764943-A (GB)
Title: Diffusers
IPC: C02F3/20
Filed: 1955-02-22
Abstract: 764,943. Treating sewage. CHICAGO PUMP CO. Feb. 22, 1955 [March 9, 1954 ; Jan. 3, 1955], No. 5249/55. Class 111. [Also in Group VI] A sewage tank with an inlet 13, Fig. 1, and outlet 14 has a quick acting valve 18 positioned in the air inlet pipe 20 connected via pipes 21, 28, Figs. 1, 2 to a series of air diffuser tubes 31 (see Group VI), the arrangement being such that the tubes 31 can be opened rapidly to atmosphere causing quick collapse of the flexible porous outer member of each tube against its inner rigid member and thus dislodging solid matter accumulated on the outer member. The pipe 21 is pivotally connected at 22 to the pipe 20 and an elbow 17 of the pipe 20 is pivoted to the tank to permit the pipes 20, 21 to be swung out of the tank. A bumper guard 25 is provided.