baber/WOPTO huggingface dataset:
Patent GB-745609-A (GB)
Title: Improvements in or relating to electrostatic filters
IPC: B03C3/41
Filed: 1953-12-09
Abstract: 745,609. Electrostatic precipitation. TRION AKT.-GES. Dec. 9, 1953 [Dec. 9, 1952], No. 34304/53. Class 39 (1). An ionizing unit for a twostage electrostatic precipitator comprises two sets of alternating ionizing and complementary electrodes disposed at an angle to one another and one set immediately behind the other. The ionizing electrodes consist of pairs of ionizing wires 5, 8 secured to pins 14 on either side of a framework 13. The ionizing wires 5 co-operate with plate electrodes 6 mounted in a frame 7 and the wires 8 with similar plate electrodes 9. The frame 13 is supported through insulators 12 from brackets 11 on electrodes 6. The frame may have a centre cross-piece with further support pins 14. Baffles are provided at the corners of the unit.
Patent GB-943421-A (GB)
Title: Magnetic connector
IPC: A44B15/00
Filed: 1960-10-06
Abstract: 943,421. Magnetic fastenings. MONARCH TOOL & MACHINERY CO. Oct. 6, 1960 [Oct. 7, 1959], No. 34334/60. Heading E2A. [Also in Division A4] In a separable two-part magnet connector for detachably connecting two items together, one part 12 of the connector presents a pole of a permanent magnet 34 of the ceramic type into a recess in a magnetic armature 42 of the other part 14 of the connector. As shown the connector is intended for connecting together two key chains 16, 20. The part 12 consists of an outer shell 30 made of a plastics material which includes a shallow cup portion in which is cemented a pole cup 32. The magnet is cemented into the cup 32 and to its upper face is cemented a pole piece 36. The part 14 consists of an outer shell 70 identical with the shell 30 and in the cupshaped recess is cemented the armature which is also cup-shaped. The dimensions of the armature and the pole cup 32 are such that their edges contact each other when the two parts are fastened together by the attraction of the magnet, a small airgap then existing between the pole piece 36 and the bottom of the armature recess.
Patent GB-1467045-A (GB)
Title: Process for removal of volatile component form methacrylate  polymer composition
IPC: B29C48/76
Filed: 1974-08-05
Abstract: 1467045 Removing volatiles from methacrylate polymers MITSUBISHI RAYON CO Ltd 5 Aug 1974 [15 Aug 1973 (2)] 34362/74 Heading BIB [Also in Divisions B5 and C3] Volatiles such as monomer, solvent, and byproducts, are removed from a bulk or solution polymerised methacrylate homo- or copolymer composition by blowing said composition at up to 20 kg/cm<SP>2</SP> and 210-270‹C through a narrow opening 6 at the upstream end of a screw extruder (see Fig. 2) which is provided with first and second volatiles venting sections 8 and 9. The first venting section 8 is at a pressure of 50 torr to atmospheric, and any residue of volatiles is removed in the second section 9 which is at a pressure of less than 50 torr and at 250-290‹C. The purified polymer is extruded by the screw from the downstream end 28 of the extruder.
Patent GB-761840-A (GB)
Title: Improvements in or relating to surgical dressings
IPC: C08F20/62
Filed: 1954-11-29
Abstract: 761,840. Copolymers. BRITISH UNITED SHOE MACHINERY CO., Ltd. Nov. 29,1954 [Nov. 30, 1953], No. 34473/54. Addition to 749,739. Class 2 (6). [Also in Group VI] Surgical dressings are made from copolymers of at least one member of the group consisting of acrylic acid, methacrylic acid and acrylamide, with at least one member of the group consisting of esters of acrylic or methacrylic acid with a saturated alcohol containing 2 to 12 carbon atoms, the total acid or amide component constituting from 70 to 30 mol. per cent of the copolymer, the total ester component constituting the remaining 30 to 70 mol. per cent of the copolymer, and any methacrylic components totalling not more than 60 mol. per cent, the ester component comprising at least one member of the group consisting of esters of acrylic or methacrylic acid with an alkoxy substituted saturated monohydroxy alcohol in which the alkoxy group has from 1 to 8 carbon atoms and the remaining alcohol portion has from 2 to 4 carbon atoms such as ethoxyethyl, ethoxypropyl, butoxyethyl and 2-ethylhexoxyethyl acrylates and butoxyethyl methacrylate; other esters specified which may be present are ethyl, butyl and n-octyl acrylates. The copolymers may be prepared by the polymerization of the monomers in solution in methanol in the presence of benzoyl peroxide and, optionally, butyraldehyde. After polymerization the polymer is purified by precipitation from solution in methanol, followed by re-dissolving, reprecipitation and vacuum drying. Alternatively the copolymers may be formed by partial saponification of polymerized ester or partial esterification of polymerized acid. In an example a copolymer of 2- ethoxyethyl acrylate and acrylic acid is blended with a copolymer of butyl acrylate and acrylic acid, and the resulting blend formed into a sheet.
Patent GB-1422204-A (GB)
Title: Mist oil lubrication system
IPC: C10M143/02
Filed: 1973-07-19
Abstract: 1422204 Mist oil lubricants CHEVRON RESEARCH CO 19 July 1973 [19 July 1972] 34548/73 Heading C5F A lubricating oil composition used in a mist oil lubricating system, comprises 0À001-2 wt. per cent of an oil-soluble copolymer of ethylene and another monomeric olefin having a viscosity average molecular weight of at least 5000. In examples the ability of ethylene-propylene copolymers to suppress stray mist is compared to that of polyisobutylene, polypropylene and polyalkylmethacrylates. The base oil can be a mineral oil, e.g. a 500 SUS (at 100 F.) neutral oil or a blend thereof with a 4000 SUS bright stock, or a synthetic oil such as alkyl, aryl or alkaryl phosphate esters, alkyl benzenes, polyoxyalkylene esters or glycols, ortho silicates and siloxanes. The compositions can also contain other additives such as zinc dialkyldithiophosphates and polyalkylmethacrylates.
Patent GB-1442454-A (GB)
Title: Sewage treatment processes and apparatus
IPC: C02F3/24
Filed: 1973-07-20
Abstract: 1442454 Aerobic sewage treatment using ultrasonic energy J KREUTER 20 July 1973 [18 Aug 1972] 34780/73 Heading C1C Sewage including liquid, solid organic matter and aerobic organisms is treated by spraying it into air and transmitting ultrasonic energy to the sewage to reduce the liquid particle size and coat said particles with air. Apparatus for carrying out the treatment is described.
Patent GB-794109-A (GB)
Title: Improvements relating to electronic calculating apparatus
Inventor: CHURCHILL JOHN LESLIE WESTON
IPC: H03K29/00
Filed: 1954-12-01
Abstract: 794,109. Electronic counting apparatus. SUNVIC CONTROLS, Ltd. Dec. 20, 1955 [Dec. 1, 1954], No. 34824/54. Class 106 (1). In multi-stage electronic counting-apparatus of which each stage comprises a multi-cathode discharge tube of the dekatron-type including a first and second transfer electrode between each pair of adjacent cathodes, the counting pulses to one set of transfer electrodes are applied from a common input to all the stages in parallel through gating circuits associated with each stage (except the lowest), and each gating circuit is conditioned to pass a pulse to the associated tube only when the count is such that the discharge is on the final (or " 9 ") cathode in each preceding lower stage tube, so that the next counting pulse both effects a carry-over and transfers the discharge to the zero cathode in each preceding stage tube. In the counting circuit shown in Fig. 2, input pulses from 1 are applied to pulse generator 6 having parallel output via gates 9, 7, 8 to decimal counting tubes 3, 5, &c. When gate 9 is opened by a control signal at 10, the pulses from 6 will be applied to the first tube 3; when the count in this tube reaches " 9,'' gate 7 is opened so that the next pulse steps on both tubes 3 and 5; similarly, when the latter tubes both reach " 9," gate 8 is opened through a coincidence circuit so that the next pulse steps on the first three counting tubes. As shown in Fig. 4, the two sets of transfer electrodes of the dekatrontype counting tubes V2, V4, V6 receive, guide-1 and guide-2 pulses respectively from the pulse generator. The guide-1 pulses are applied to gates comprising normally non-conducting triodes V1, V3, V5. When a positive potential is applied to the grid e.g. of V3 from the " 9 " cathode of V2, the triode conducts through anode resistor R9 and rectifier MR1, thus allowing the next negative guide-1 pulse to pass via capacitor C2 to V4. Triode V5 operates similarly in response to a positive output from the coincidence circuit comprising rectifiers MR2, MR3. In a modification, Fig. 3, gates 11, 12, 13 are arranged serially, each gate (after the first) being controlled by the outputs of the preceding gate and counting tube; the gates may comprise triodes whose anode outputs are connected to rectifier coincidence circuits (Fig. 5, not shown), the guide-1. pulses being applied to a series of rectifiers in a line. In another modification (Figs. 6 and 7, not shown), the external control gate 9, Fig. 2, receives guide-2 pulses, while the remaining, carry-over, gates receive guide-1 pulses.
Patent GB-760899-A (GB)
Title: Improvements in or relating to processes for manufacturing threads
IPC: D02G3/28
Filed: 1954-12-01
Abstract: 760,899. Yarns and threads. ROECHEGUDE, L. V. M. Dec. 1, 1954 [Dec. 1, 1953], No. 34853/54. Class 120 (3). A composite yarn is produced by intertwisting a pretwisted polyfilament yarn with a monofilament yarn, which is untwisted or has a very small initial twist, i.e. less than 100 turns/metre, and may be "crinkled", in a direction opposed to that of the original twist of the polyfilament yarn. The polyfilament yarn forms a helical sheath about the monofilament yarn. Heat treatment, as by steaming, may be applied to the pretwisted yarn to cause partial or complete shrinkage thereof in order to enhance the undulating form of the composite yarn and/or the latter may be heat treated at elevated temperature to fix the twist and cause shrinkage of the monofilament constituent and further shrinkage of the polyfilament yarn.
Patent GB-347196-A (GB)
Title: Improvements in or relating to advertising and display devices
IPC: A47F5/11
Filed: 1929-11-15
Abstract: 347,196. Display stands. WEBSTER, W. P., 198, Bethnal Green Road, Shoreditch, and HUTSON, F. A., 23, Nelson Road, South Chingford, both in London. Nov. 15, 1929, No. 34963. [Class 52 (v).] In collapsable card or like display stands of the type comprising a series of steps formed of a continuous strip 3 hinged at 4 to a back strip 1 and at 4<1> to a bottom strip 7, these strips also being hinged together at 4<11>, vertical strips 8 are attached flatly to the parts 6 of steps and to the strip 7. Side flaps 2 may be hinged to the back strip 1 and provided with tongues 11 which engage pockets 12 formed between the parts 6, 8, these flaps serving to hold the device rigid. In the modification shown in Fig. 3, the effect of a stage and proscenium is produced by a front 13 having an aperture 15 and a hinged stage portion 16 which folds backwards and locks a rear collapsable rectangularly bent piece 14. Side flaps 17 are hinged to the front 13, and serve as supports for two sets of steps 171, 17<11>, arranged as shown or else rising upwardly and outwardly from the front 13.
Patent GB-760408-A (GB)
Title: Improvements in or relating to inspection chambers for steam traps and the like
IPC: F16T1/48
Filed: 1953-12-16
Abstract: 760,408. Liquid-flow indicators. MELVILLE, W. Oct. 7, 1954 [Dec. 16, 1953], No. 34985/53. Class 69 (1). An inspection chamber for a steam trap or the like has a nozzle 21 forming a jet of water spaced from an inspection panel 13 and discharging from the chamber without splash or turbulence through an outlet in the form of venturi 23. The nozzle 21 is replaceable, being screwed into the thickened part 19 of the body 10. A second transparent panel 12 forms the rear of the chamber; the panels 13 and 12 are held in position by threaded and castellated rings 15 screwed into the front and rear of the chamber body.
Patent GB-842306-A (GB)
Title: Thiophosphonic acid esters
IPC: C07F9/40
Filed: 1958-10-31
Abstract: The invention comprises thiophosphonic acid esters of the general formula R.P(S)(OR1)(XR2) in which R is a phenyl substituted vinyl radical or a vinyl radical substituted by one or more C1-C4 alkyl radicals, R1 is an alkyl radical containing up to 4 carbon atoms, R2 is an alkyl mercapto alkylene radical wherein the alkyl and alkylene radicals contain up to 4 carbon atoms and X is oxygen or sulphur. They may be obtained by reacting a compound of the formula R.P(S)(OR1)(Hal) wherein Hal is a halogen atom, e.g. Cl or Br, with a compound of the formula R2XH in the presence of an acid binding agent, The reaction is suitably carried out in an inert organic solvent, e.g. ethanol, acetone, methyl ethyl ketone or benzene. Specified acid binding agents are alkali metal alcoholates, e.g. sodium ethylate and suitable reaction temperatures are from room temperature up to about 100 DEG C. Examples are given for the production of compounds in which R is C6H5.CH=CH-, R1, is ethyl and -XR2 is SCH2CH2SC2H5, -S.CH2. CH2.S.CH3, -S-CH2SC2H5 and -O-CH2. CH2.S.C2H5 respectively, and in which R is <FORM:0842306/IV(b)/1> , R1 is ethyl and -XR2 is S.CH2CH2SC2H5 and S.CH2.SC2.H5 respectively and of the compound in which R is <FORM:0842306/IV(b)/2> , R1 is CH3 and -XR2 is -S.CH2.CH2.SC2H5.  The products have pesticidal properties (see Group VI).ALSO:A pesticidal composition comprises a solid or liquid diluent or extender and as active ingredient thio phosphonic acid ester of the formula R.P(S) (OR1)(XR2) in which R is a phenyl substituted vinyl radical or a vinyl radical substituted by one or more C1-C4 alkyl radicals, R1 is an alkyl radical containing up to 4 carbon atoms, R2 is an alkyl-mercapto-alkylene radical wherein the alkyl and alkylene radicals contain up to 4 carbon atoms and X is oxygen or sulphur. Specified diluents are chalk, talc, bentonite, charcoal, water (if necessary with the addition of a solubilizing agent and/or emulsifier e.g. benzyl hydroxy diphenyl polyglycol ether).  A suitable composition is obtained by mixing the compound C6H5,CH = CH,P(S)(OC2H5) (,S,CH2S,C2H5) with acetone, adding benzyl hydroxy diphenyl polyglycol ether and then diluting the mixture with water.
Patent GB-448134-A (GB)
Title: Improvements in and relating to percolators for washing machines and boilers
IPC: D06F1/08
Filed: 1934-12-06
Abstract: 448,134. Washing-boilers. VERNON, Ltd., R., and SAUNDERS, L. O., Morden Road, Merton, London. Dec. 6, 1934, No. 35086. [Class 64(i)] A circulating device for a washing-boiler comprises a concave or convex false bottom 3 dished upwardly towards its periphery to which tubes 5, 6 are attached each terminating in a perforated nozzle 1 of substantially spherical form. The discharge holes or slots 7 of the nozzles 1 discharge liquid inwardly and downwardly and are offset to aid rotation of liquid. The lower part of the nozzles may be flexible. Specification 350,825 is referred to.
Patent GB-501040-A (GB)
Title: Improvements in colour photographic development
IPC: G03C7/30
Filed: 1937-05-10
Abstract: 501,040. Colour photography. KODAK, Ltd. May 10, 1937, No. 35102 /38. Void. Convention date, May 9, 1936. Divided out of 500,826. [Class 98 (ii)] In the successive selective c'olour development of a photographic element for three colour photography having three differentially colour sensitive layers on a single support with a colour developer containing an aromatic amino developing agent and a coupling component which couples with the oxidation product of the developing agent or with a colour developer whose oxidation product is an insoluble or non-diffusing dye, the development of each component image is completed after colour development with an ordinary rapid black developer which has no coupling ability and which does not contain sulphite, if indophenol and azomethine dyes are to be produced. The silver halide-to be developed has either been exposed or rendered developable by fogging agents. Specifications 498,869, 498,870, 498,871, 500,793, 500,826, 501,000, 501,001, and 501,002 are referred to.
Patent GB-796891-A (GB)
Title: Sight devices for fire-arms
IPC: F41G1/32
Filed: 1955-12-07
Abstract: 796,891. Sights for firearms. BUONO, E. D. Dec. 7, 1955 [Dec. 11, 1954], No. 35186/55. Drawings to Specification. Class 119 A sight for a firearm is formed of a transparent or translucent synthetic resin containing a fluorescent pigment diffused therein and is of crescent or doublecrescent shape in cross section to permit it to engage the barrel or both barrels of the firearm resiliently. The sight may be provided with reflecting surfaces or with supplementary light sources.
Patent GB-522173-A (GB)
Title: Improvements in or relating to plastic self-hardening compositions
IPC: C04B28/02
Filed: 1938-12-02
Abstract: 522,173. Cement - rubber compositions. CORMAC, P. P. B., and RUBBER CEMENT PRODUCTS, Ltd. Dec. 2, 1938, No. 35205. [Classes 22 and 70] The setting of cement-rubber compositions of the kind described in Specification 369,561 is delayed by treating the cement so as to convert the free lime into water-insoluble salts. The cement is mixed, prior to its admixture with the rubber dispersion, with a compound which yields an insoluble calcium salt such as ammonium carbonate, carbamate, sulphate or oxalate or sodium alginate. A small proportion of the colloidal proteinous material described in Specification 522,172, may also be added to the cement.
Patent GB-605553-A (GB)
Title: Improvements in variable speed gears
IPC: F16H9/08
Filed: 1945-12-31
Abstract: 605,553. Variable-speed gearing. MACGREGOR, D. Dec. 31, 1945, No. 35220. [Class 80 (ii)] In a variable-speed gear, driving and driven conical drums a, b are disposed alternately round a common axis and are connected by a belt, chain or rings passing round the drums. The larger end of one drum is adjacent to the smaller ends of adjacent drums. In the case of a belt or chain, the member is tensioned by adjustable pulleys k housed in an annular ring m which can be moved axially along the drums by means of the screws n in order to change the gear ratio. The driving drums a are connected to the driving shaft by gearwheels f, g and the driven drums b are connected to the driven shaft i by a similar arrangement of gear-wheels. Each set of conical drums may comprise two or more elements.
Patent GB-1441495-A (GB)
Title: Boiler
IPC: F16K11/052
Filed: 1973-09-08
Abstract: 1441495 Valves CLARKE CHAPMAN Ltd 12 Aug 1974 [8 Sept 1973] 35349/74 Heading F2V An elliptical closure member 42 pivoted at 44 directs gas from an inlet 12 through a heat exchanger 24 to an outlet 18 when in the position shown but connects the inlet direct to the outlet when rotated clockwise through 90 degrees. The closure member co-operates either with elliptical valve seats 48, 50 or with an elliptical zone of the wall of a casing 10 and may be provided at its periphery with a deformable seal. The inlet 12 may be connected to the exhaust of a diesel engine and the exchanger 24 may be a steam or hot-water boiler. Adjustable dampers 28, 30 are provided. A hand-operated worm gear may be connected to the member 42.
Patent GB-1031610-A (GB)
Title: An apparatus for applying small particles to a moving surface in an electric field
Inventor: HEYL GERHARD
IPC: D04H11/00
Filed: 1964-08-28
Abstract: The invention of the parent Specification is modified in that the high voltage applied to the conveyer belt to form an electric field between the conveyer belt and the conducting earthed adhesive layer of the moving-support surface, to effect transfer of the floccules to the adhesive, is applied by at least two conducting rollers at least one of which is connected to a voltage of different value to the other conducting roller or rollers. Rollers conducting voltage of the same value may be assembled in groups and connected in groups to a high-voltage supply.  In the entry zone for the coating fibres into the coating field, the high voltage for one or more rollers is preferably greater than for the others and in the discharge zone the high voltage for one or more rollers is preferably lower than the others.  Preferably earthed guide rollers for the conveyer belt and between which the rollers carrying the high voltage are disposed are arranged vertically beneath earthed guide rollers for the support in order to limit the fibre-coating field and such that the conveyer belt and the support surface run parallel therein.
Patent GB-343563-A (GB)
Title: Improvements in electric furnaces and electrodes therefor
IPC: E01B7/18
Filed: 1929-11-21
Abstract: 343,563. Electrode furnaces. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, PROCTOR, R. F. and BIGGS, H. C., of General Electric Co., Wembley, Middlesex. Nov. 21, 1929, No. 35629. [Class 39 (iii).] In a glass furnace, the walls of which are built up from refractory blocks, the electrodes consist of conducting blocks 12 forming part of the furnace walls and of equal thickness thereto. The electrodes are made of graphite or of a mixture of graphite and fireclay. The outer faces are copper plated or coated with a mixture of sodium silicate and graphite. Metal plates 14 are clamped thereto by screwed rods 13 and cover the joint between the electrodes and the adjacent blocks 11. Boric oxide in paste form may be applied to these joints during construction. During operation the oxide fuses to form a glass seal. The furnace walls may be supported by a metal framework.
Patent GB-1305948-A (GB)
IPC: E06B3/44
Filed: 1970-07-23
Abstract: 1305948 Window stops FARBWERKE HOECHST AG 23 July 1970 [23 July 1969] 35711/70 Heading E1J A slide guide for retaining a sliding sash, e.g. of a vehicle window, at any desired position within its frame comprises a metal channel guide rail 1 and a plate 2 for fixing to the sash and being provided with one or more slide members 6 each comprising a head 3 and neck 4, the member 6 projecting into the guide channel 1 and the head having therein a slot 5 e.g. 1mm. width, diametrical of the head and parallel to the axis of the rail 1 and is compressible transversely of the rail 1 for entry into the channel which has a recess 7 to locate the head under compression. The slide member 6 is of thermoplastics, e.g. polyacetal or a homopolymer of formaldehyde or trioxane or a copolymer of these materials with a cyclic ether, and is of such resilience as to create a frictional force between the metal rail and member 6 to hold the sash at any location in the frame.