baber/WOPTO huggingface dataset:
Patent GB-710678-A (GB)
Title: Device for simultaneously measuring several types of health hazard radiation
IPC: G01T1/20
Filed: 1952-03-31
Abstract: 710,678. Photo-electric cells; luminescent materials; detection of neutrons. TESLA-ELEKTRONIK, NARODNI PODNIK. March 31, 1952 [March 29, 1951], No. 8158/52. Classes 39(1) and 39(4) [Also in Group XL(b)] The biological effect of radio activity is detected by a liquid L which luminesces under the influence of the radio-activity, a photo-cell responsive to this luminescence and an electroscope discharged by the photo-cell current to indicate the radiation intensity. As shown a pocket size dosimeter comprises a vessel 3 fitted with the luminescent liquid which may be benzene to which boron compounds soluble in benzene are added: Since the physical effect of thermal neutrons on the liquid is much greater than their biological effect a moderating layer of cadmium or a thin layer of a boron compound 2 is applied to the outside of the vessel. The bottom of the vessel is provided with a photosensitive layer 6 which forms the cathode of a photo-electric cell 8. The anode .4 of the cell 14 has mounted on it a quartz fibre to form an electroscope and the cell is exhausted. A switch 2 is provided to charge the electroscope. A lens system is provided for viewing the quartz fibre. Under the influence of radio activity the photocell conducts allowing the charge to leak away from the anode, 13 so that the deflection of the quartz fibre decreases. To render the apparatus sensitive to alpha and beta-rays windows are provided in the neutron moderating layer. In a modification, Fig. 1 (not shown), the liquid container is spherical and the lens assembly is separate from the cell photo-cell.
Patent GB-175203-A (GB)
Title: Improvements in or relating to belts utilised for the transmission of power
IPC: F16G5/18
Filed: 1921-03-16
Abstract: 175,203. Webb, T. H. March 16, 1921. Belts.-In a V-shaped driving-belt in which leather or like blocks 4 are mounted on a core of pivotally-connected metal plates, parts Z of the dual inner plates 1 are pressed up or cupped so as to form the pivots, the adjacent side links 3 being apertured to receive them. The leathers 4 are bored transversely partially or entirely to accommodate the projections 2, and are secured by screws 6. Spacing-pieces 5 are arranged between the side links, or the latter may be formed with central depressions to bear against each other. According to the Provisional Specification, loose pivot pins may be employed, and these may be formed with a central shoulder so as to prevent axial movement of the pins.
Patent GB-833845-A (GB)
Title: Method of making bi-stable state magnetic-ferrite cores
IPC: C04B35/26
Filed: 1958-03-14
Abstract: 833,845. Magnetic compositions. NATIONAL CASH REGISTER CO. March 14, 1958 [May 22, 1957], No. 8218/58. Class 38 (2). A bi-stable state magnetic-ferrite core having a square hysteresis loop, low coercivity, high retentivity, and good thermal stability is made by a process including sintering a compact of calcined oxides of Mg, Mn, Fe and Zn in an atmosphere of which all or part of the air is placed by an inert gas such as nitrogen at the beginning of or during the sintering, followed by cooling in an atmosphere of which all the air has been replaced. The oxides may be in mols. per cent, MgO, 9.5-21; MnO, 38.0- 50.0; Fe 2 O 3 , 39.0-43.0; ZnO, up to 13.0, and some may be added as carbonates. The oxides may be presintered at 1800‹ F. for 10 hours, pulverized, screened, mixed with polyvinyl alcohol in water as a binder, granulated, dried, compressed, sintered at about 2350‹ F. for three to ten hours, and cooled in nitrogen. The sintering atmosphere may be air for two hours and nitrogen for four hours; air for two hours and alternately air and nitrogen every fifteen minutes for four hours; two parts of nitrogen to one part of air for six hours, or equal parts of air and nitrogen for six hours. Other suitable binders are slightly hydrolysed starches, emulsified poly-glycols and methyl-cellulose.
Patent GB-369741-A (GB)
Title: Improvements in or relating to thermostats
IPC: G05D23/185
Filed: 1931-03-17
Abstract: 369,741. Thermally-controlled valves. BRITISH ARCA REGULATORS, Ltd., Windsor House, Victoria Street, London.- (Assignees of Soc. Francaise des Regulateurs Universels Arca. ; 164, Rue de la Croix- Nivert, Paris.) March 17, 1931, No. 8253. Convention date, April 15, 1930. [Class 135.] Valves controlled by pilot or relay valves.-The temperature in a heated vessel 1 is controlled by valves 4, 11 regulating the supply and discharge of heating fluid and actuated by fluid pressure under the control of an auxiliary device actuated by a single thermal element 5. The bulb 5 is connected by a flexible pipe to a Bourdon tube 25 engaging an adjusting screw 26 on a pivoted member 23 adapted to regulate the discharge of liquid from a nozzle 22 connected to the actuating chamber 20 of the inlet valve. The chamber is supplied with fluid through a conduit 31 and the nozzle is so arranged that a rise of temperature causes the valve to close. The member 23 carries an adjusting screw 35 adapted to engage a member 34 controlling a nozzle 32 connected to the actuating chamber 28 of the valve 11, so that on a further rise of temperature the outlet valve is opened. A second thermal bulb 40 may be arranged in a well 41 and connected to a Bourdon tube 43 coupled to a lever 44 engaging an adjusting screw 45 on the member 34 to enable the device to function also as a steam trap. The invention is also applicable to temperature regulators with mechanical, hydraulic or electrical devices for varying the temperature in accordance with a predetermined law. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a modification in which the inlet and outlet valves are actuated by bellows connected to a single thermal chamber without the interposition of relay valves. This subject-matter does not appear in the Specification as accepted.
Patent GB-1537301-A (GB)
Title: Multi-layer toroidal deflection yoke
IPC: H01F5/00
Filed: 1976-03-02
Abstract: 1537301 Electron beam-magnetic deflecting apparatus RCA CORPORATION 2 March 1976 [10 March 1975] 8315/76 Heading H1D A toroidal deflection yoke comprises a hollow flared ferrite core 11, conductor turn retaining members 12, 13, member 13 having a plurality of tabs 16 defining pockets of widths less than the combined diameters of generally side-by-side conductor turns, and seat portions 16a, 16b. of different heights, so that successive turns are disposed laterally and vertically from each other. Moulded slightly concave seating surfaces on portions 16a, 16b assist retention of the turns, and moulded grooves (17) (Fig. 3, not shown) aid conductor turn retention laterally prior to deposition of the turns in the pockets. Reference is made to yokes utilized with wide angle tubes having additional conductive turns to enhance the sensitivity of the vertical coils or for forming quadrature windings to aid in converging three beams in a colour c.r.t.
Patent GB-850567-A (GB)
Title: Improvements in the production of hydrogen peroxide
IPC: C01B15/023
Filed: 1959-03-11
Abstract: <PICT:0850567/III/1> In a cyclic process for the production of hydrogen peroxide by the alternate, successive hydrogenation, oxidation and water extraction of a working solution of an alkylated anthraquinone, at least part of the hydrogenated working solution is cooled to precipitate crystals of the hydroquinone a portion of solution is removed therefrom, and the resulting crystal slurry together with any solution not subjected to cooling is subjected to oxidation. A solution containing say 4-24% wt. of an alkylated anthraquinone e.g. methyl-, ethyl-, propyl- or tertiary butyl-anthraquinone, mixtures thereof or mixtures with their tetrahydro derivatives, dissolved in an anthraquinone solvent e.g. diphenyl, anisole, benzene or toluene but preferably an alkylated naphthalene, either alone or in admixture with a hydroquinone solvent e.g. organic phosphate or phosphonate esters, aliphatic alcohols having 7-11 carbon atoms/molecule, or water immiscible ketones or ethers, is hydrogenated in A with gaseous hydrogen at 1-20 atmospheres and 25-60 DEG C. until the solubility limit of the hydroquinone formed is reached.  The hydrogenated working solution is passed either wholly or in part to crystallizer B where it is cooled to 10-30 DEG C. below that temperature existing in the hydrogenator to precipitate crystals of the hydroquinone.  A portion of the residual hydrogenated working solution is removed from the crystals in separator C e.g. a centrifuge, and the resulting slurry is passed to oxidiser D where together with any hydrogenated solution introduced direct from the hydrogenator A through line 13 it is oxidised by contact with air or other free oxygen containing gas. The proportion of residual hydrogenated working solution adhering to the crystals leaving the separator C, if the whole of the hydrogenated working solution is cooled, or the portion of solution passed direct to the oxidiser is controlled so that sufficient is present in the oxidiser to dissolve the regenerated p  anthraquinone. Alternatively, when all the hydrogenated working solution is cooled, a portion of the residual solution separated in C may be fed through line 15 to the oxidiser to provide the required solution.  The solution leaving the oxidiser passes to extractor E where hydrogen peroxide is isolated by water extraction, the denuded, regenerated working solution being recycled through line 11 to the hydrogenator, the remaining feed to which is delivered by line 10 as recycled hydrogenated working solution removed in separator C.
Patent GB-680790-A (GB)
Title: Improvements in and relating to textile winding machines
IPC: B25B23/10
Filed: 1949-04-20
Abstract: 680,790. Winding yarn. ABBOTT MACHINE CO. April 20, 1949 [May 11, 1948], No. 8358/52. Divided out of 680,762. Drawings to Specification. Classes 120(ii) and 120(iii) The subject-matter of this Specification is substantially the same as that described in Specification 680,762 (to which reference is made), but the claims differ. Specifications- 423,422, [Group VII], 459,357, 459,413, 459,414, 489,433, [Group VII], and 533,483 also are referred to.
Patent GB-1536893-A (GB)
Title: Brake disc for rail vehicles
IPC: B61H5/00
Filed: 1976-03-02
Abstract: 1536893 Mounting brake discs on hubs KNORR-BREMSE GmbH 2 March 1976 [12 March 1975] 08382/76 Heading F2U A brake disc for a rail vehicle comprises an intermediate member 4 integral with the brake disc 1 or connected thereto as by clamping bushes 5, and one or more resilient blocks 18 compressed radially between grooves 11, 12 in a hub 2 and the intermediate member, there being heat insulation 20 provided in a heat flow path between the brake disc and blocks. The heat insulation 20 may be on the intermediate member or on the blocks. In a second embodiment, Figs. 3 and 4 (not shown) the intermediate member (1<1>) is integral with the brake disc and heat insulation (20<1>) is provided in the groove (12<1>) of the intermediate member.
Patent GB-583071-A (GB)
Title: Improvements in combination garden tools
IPC: A01B1/06
Filed: 1944-05-04
Abstract: 583,071. Garden tools. RICHTER, L. May 4, 1944, No. 8402. [Class 6 (ii)] A garden tool comprises a sheet metal head formed on one side of the centre with diamond shaped prongs 5 and on the other side with a hoe plate 4, both prongs and plate having sharpened edges. The handle passes at right angles through a rectangular opening 9.
Patent GB-370165-A (GB)
Title: Improvements in apparatus for the measurement of gravitational force
IPC: G01V7/08
Filed: 1931-03-19
Abstract: 370,165. Measuring force of gravity. SYKES, H. W., 41, Stanley Road, Coventry. March 19, 1931, No. 8408. [Class 97 (iii).] An instrument for indicating and recording variations in the force of terrestrial gravitation comprises a flexibly supported load operatively connected to means for indicating and recording variation in the vertical position of the load. In the form shown the load 3 supported by the spring 4 is connected at the upper end through multiplication linkage 5, 9, 10 to a pivoted arm 12 which carries at one end a nib or roller 13 engaging a clockwork driver recording drum or dial 14. Alternatively the record may be made on a light-sensitive strip by a spot of light reflected from a mirror provided in conjunction with the load. A knurled nut 17 is provided to effect an adjustment of the pivot 6 of the lever 5. The lower end of the spring 4 instead of being supported directly on the base may be supported on an adjustable member. Sudden shocks, such as earthquakes, will cause short period movements of the recording arm.
Patent GB-1533957-A (GB)
Title: System for locating barrels in racks
IPC: B65G1/04
Filed: 1977-03-01
Abstract: 1533957 Automatic control SUNTORY Ltd 1 March 1977 [3 March 1976] 8489/77 Heading G3N An electrical control system locates barrels horizontally, with a plug uppermost, in a store-rack by calculating barrel size and the circumferential position of the plug and determining the movements to a desired final position in the rack by a stacker crane. As shown, a barrel 10 is rolled from a lorry, not shown, to a position-pre-setting station 1 where it is received on rails 2. The barrel is aligned by spring- loaded guides and raised by a scissors mechanism 7 to permit rotation by wheels 8. The maximum and rail-engaging diameters are measured by pulses from transducers 14, 14' and the bung, bearing a red mask, identified by a photo-cell 13. A computer, not shown, controls a positioning and measuring sequence, whereby the plug is located, the railengaging diameter determined from the output of transducer 14' and the maximum diameter by the relative timing of pulses from transducers 14, 14'. The possible position in the store-rack, dependent on barrel size, is determined by the computer and from a recorded rolling path an initial angular position of the barrel is calculated and carried out by rotation of the wheels 8.
Patent GB-894476-A (GB)
Title: Improvements in or relating to electronic switching tubes
Inventor: SINCLAIR IAN ROBERTSON
IPC: H03K17/00
Filed: 1960-03-11
Abstract: 894,476. Thermionic valves. ENGLISH ELECTRIC VALVE CO. Dec. 6, 1960 [March 11, 1960], No. 8634/60. Class 39(1) A "one-way" switching tube includes cathode 3, anode 2, control grid 4 and a grid 5 coated with a layer, e.g. of magnesium oxide, exhibiting the " Matter " thin film field emission effect under electron bombardment. The tube is triggered by applying a positive pulse to the control grid which is normally biased to cut-off. The Malter effect emission which is collected by the anode is cut-off by lowering the anode potential or raising the potential of the grid 5.
Patent GB-231888-A (GB)
Title: Process for making decomposition products from leather and certain products thereof
IPC: C07D207/32
Filed: 1925-04-03
Abstract: Pyrrol, pyrocoll, phenols and carboxylic acids are obtained by washing the tarry and oil separates forming part of the distillate obtained in the destructive distillation of tanned leather waste.  Of the phenolic bodies, pyrocatechol and pyrogallol are specifically mentioned.ALSO:The ammoniacal layer forming part of the distillate obtained in the dry destructive distillation of tanned leather waste in a closed chamber is treated with calcium chloride and the supernatant liquor is evaporated, or alternatively the liquid is neutralized with acid and the ammonia recovered as sulphate.ALSO:In the destructive distillation of dry chrome tanned leather waste in closed retorts, a carbonaceous residue is obtained from which chromic oxide may be recovered by burning the residue in a current of air.
Patent GB-160784-A (GB)
Title: Improvements in collapsible and detachable furniture
IPC: A47C17/74
Filed: 1921-03-23
Abstract: 160,784. Sanchez, J. A. Y. March 24, 1920, [Convention date]. Mattresses; mirrors.-Articles of furniture such as cupboards, mattresses, bedsteads, chests, wardrobe, &c. are formed with back and front members to which are hinged pivoted end members A so that the article can be collapsed as shown in broken lines. The hinges are hidden by interlocking tongues and grooves in the sides, back, and front members. Detachable joints may be employed at certain points in addition to hinges. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a form of dovetail joint with two blocks b, c on one member engaged by a socket-piece d on another member, and includes the application of the invention to other articles such as mirrors. This subjectmatter does not appear in the Specification as accepted,
Patent GB-101283-A (GB)
Title: An Alighting Signal Apparatus for Aeroplanes and Hydro-aeroplanes.
Inventor: ANDREINI MICHELE
IPC: G05D1/06
Filed: 1916-06-27
Abstract: 101,283. Andreini, M. Aug. 21, 1915, [Convention date]. Sounding-apparatus.-A signalling-device for warning an aviator when alighting that he is near the ground or water consists of an apparatus suspended from the machine and fitted with electric contacts which are closed when the apparatus strikes the ground. In the construction shown in Fig. 1, the apparatus includes two chambers A, B insulated from one another. The chambers are in communication through apertures F and a small opening E. Conductors H, H<1> are provided and the chamber A contains mercury. The apparatus is suspended by the conductors and when it strikes the ground, the mercury is thrown into the chamber B, closing the electric circuit and lighting a lamp or giving some other signal.
Patent GB-308311-A (GB)
Title: Thermelectronic rectifier
IPC: H01J1/20
Filed: 1929-03-21
Abstract: 308,311. Loewe, S. March 21, 1928, [Convention date]. Vacuum tubes.-In thermionic rectifiers with cathodes heated by induction from an iron core outside the vacuum, the iron core 6 is inserted into a re-entrant portion of the glass envelope. The core 6 carries a winding 5 fed from alternating -cur - rent mains and is surrounded by a cylindrical cathode 1. The cathode is made highly emissive by precipitating thereon metals such as barium, strontium, calcium or lanthanum and is opposite to one or more anodes. 'The Specification as open to inspection under Sect. 91 (3) (a) comprises also a power rectifier in which the cathode is a rectangular metal box co-operating with one or more plate anodes and made emissive by oxides or metals, such as caesium or barium &c., the box being treated by radiation or eddy currents from an internal wire carrying direct or alternating current. This subject-matter does not appear in the Specification as accepted.
Patent GB-1039744-A (GB)
Title: Process for the preparation of adiponitrile
Filed: 1963-03-07
Abstract: Boron phosphate is prepared by adding 37 parts by weight of boric acid to 76 parts by weight of 85% phosphoric acid, heating the resulting mixture at 110 DEG  C. for 18 hours and further heating it at 350 DEG  C. for 4 hours.ALSO:Adiponitrile is prepared by reacting a d -cyanovalerate with ammonia and exposing the resulting d -cyanovaleramide to the action of a dehydrating agent at a temperature between 300 DEG  and 450 DEG  C.  The dehydration may be carried out in the presence of ammonia.  The d -cyanovalerate may be prepared by esterifying d -chlorovaleric acid with an alcohol and reacting the resulting ester with an alkali or alkaline earth metal cyanide in an organic polar solvent. d -Choorovaleric acid is obtainable by the hydrolysis of 1,1,1,5-tetrachloropentane with sulphuric acid. Examples are given.
Patent GB-1047733-A (GB)
Title: Precipitation of plutonium from molten chloride solutions
IPC: C22B60/04
Filed: 1964-03-04
Abstract: 1,047,733. Separation of plutonium. UNITED STATES ATOMIC ENERGY COMMISSION. March 4, 1964 [May 10, 1963], No. 9134/64. Heading G6R. Plutonium dioxide is recovered from neutronirradiated fuel by dissolving the fuel in a fused mixture of alkali metal chlorides, sparging the solution with chlorine gas while introducing oxygen or stannic oxide as an oxidizing agent, and separating the precipitate containing PuO2. The fuel may be in the form of metal, oxide, or chloride; cladding is first removed and the fuel broken up. The preferred chloride mixture is LiCl-KCl or LiCl-NaCl. When the oxidizing agent is oxygen, a dry mixture of chlorine and oxygen is passed through the melt. When stannic oxide is used, the precipitate is treated with HC1 vapour to remove volatile tin tetrachloride. As a preliminary to the process of the invention, the solution of the fuel in the molten salt may be sparged with chlorine and then treated by the process of Specification 945,899 for the electro-deposition of UO2. The invention also includes a process of dissolving thorium and plutonium chlorides in a molten LiCl-KCl mixture, and passing an oxygenchlorine mixture through at 575‹ C. to form a ThO2-PuO2 precipitate.
Patent GB-1136894-A (GB)
Title: Lubricating oil compositions with improved high-pressure performance
Filed: 1966-03-02
Abstract: 1,136,894. Lubricants. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 2 March, 1966 [4 March, 1965], No. 9139/66. Heading C5F. A lubricant comprises a lubricating and a basic lead salt of an organic acid where the basicity of the salt is at least 20 %, the oil contains not more than 10 wt. per cent of lead and the organic acid is one or more naphthenic acids, one or more saturated aliphatic monocarboxylic acids in which the carboxyl groups are attached to tertiary or quaternary carbon atoms, or mixtures thereof (examples being given). The lubricating oil may be mineral or synthetic. The composition may also contain sulphurized sperm oil, dibenzyl sulphide, chlorinated paraffin wax, chlorinated kerosene, polybutenes, alkylphenols and dialkyl silicones. Reference has been directed by the Comptroller to Specification 1,025,137.
Patent GB-1135445-A (GB)
Title: Spiramycin monoesters and process for preparing the same
IPC: C07H17/08
Filed: 1966-03-02
Abstract: 1,135,445. Spiramycin 3-monoesters. SOC. DES USINES CHIMIQUES RHONEPOULENC. 2 March, 1966 [2 March, 1965], No. 9169/66. Heading C2A. Novel 3-monoesters of spiramycin with a C 1 -C 5  fatty acid are prepared by hydrolysing a corresponding 3,10-diester in alcoholic or aqueous alcoholic solution and recovering the 3-monoester. The solution may contain dissolved acid, e.g. hydrochloric, sulphuric, phosphoric, acetic or formic acid, or alkali, e.g. sodium carbonate or bicarbonate. The reaction may be performed at ambient temperature to 60‹ C., for 30 mins. to 48 hours. Spiramycin 3-monoacetate and 3-monopropionate are prepared.
Patent GB-912208-A (GB)
Title: Nuclear power installations
Inventor: BELL FRANCIS ROBERT
IPC: G21C1/00
Filed: 1959-03-17
Abstract: 912,208. Nuclear power plant. DE HAVILLAND ENGINE CO. Ltd. March 14, 1960 [March 17, 1959], No. 9247/59. Class 39 (4). In a nuclear reactor power plant, the steam generating heat exchangers and the reactor are mounted together inside a pressure vessel. As shown, the pressure vessel 2 encloses both the reactor 1 and the heat-exchangers 5. Coolant gas is circulated through the core by motor-driven fan 10 from chamber 7, through pipes 9, 8 and into the annular chamber containing the exchanger tubing in which steam is generated. The coolant gas may be helium, carbon dioxide, nitrogen, neon or argon.