baber/WOPTO huggingface dataset:
Patent GB-1370558-A (GB)
Title: Process of producing a ternary alloy in a particulate form
IPC: B22F9/00
Filed: 1972-11-22
Abstract: 1370558 Making metal particles GENERAL ELECTRIC CO 22 Nov 1972 [8 Dec 1971] 54035/72 Heading B3A [Also in Division C7] A method of making an alloy in particulate form, which contains 3%-12% nickel 3%- 30% titanium, and the balance zirconium and impurities, comprises forming a homogenous ingot of the alloy constituents and converting the ingot into particles having a mesh size of - 10 to + 60 mesh (Tyler) by machining at below 200‹ C. while maintaining the ingot in contact with a cutting fluid. The ingot is formed by mixing the alloy constituents in powder form and heating them in a vessel at 1800- 2100‹ C. using an inert gas arc melting means, stirring being achieved by moving the arc. Alternatively the constituents in powder or pressed sponge form may be sintered in a pressurized steel die. Another method of melting comprises heating a pressed boule of sponge or chips of the alloy constituents by inert gas arc means or electron bombardment. The molten metal is collected in a cooled copper mould and the boule is turned over as it melts. The outer surface of the ingot may be machined to remove impurities the ingot having been cooled prior to exposure to the atmosphere.
Patent GB-1486619-A (GB)
Title: Preparations and use thereof for the care of textile materials
IPC: C11D3/00
Filed: 1974-12-13
Abstract: 1486619 Aqueous polymer compositions for treating textiles CIBA-GEIGY AG 13 Dec 1974 [15 Dec 1973] 54057/74 Heading C3P [Also in Divisions C4-C5] A composition for the care of textile materials contains in the form of an aqueous dispersion or solution (A) at least one uncross-linked homo- or copolymer chosen from (a) a polystyrene dispersion containing, as dispersing agent, a cationic, non-ionic and/or ampholytic emulsifier, (b) a styrene/methylacrylate and/or methylmethacrylate/acrylic acid and/or methacrylic acid copolymer dispersion containing, as dispersing agent, a cationic, non-ionic and/or ampholytic emulsifier, the copolymer containing at least 30% by weight of styrene units, (c) an ethylene/vinyl acetate copolymer dispersion containing, as dispersing agent, a cationic, non- ionic and/or ampholytic emulsifier, the copolymer containing from 3 to 10% by weight of vinyl acetate units, and/or (d) an aqueous solution of a metal, ammonium or amine salt of a styrene/maleic anhydride copolymer, or of a half ester thereof, which contains at least 50% by weight of styrene units, (B) at least one non- ionogenic cleaning agent, and (C) at least one cationic organic quaternary ammonium compound, the dry weight of components (A), (B) and (C) being 0À25 to 20%, 0À0025 to 5%, and 0À005 to 2-5% respectively, based on the total weight of the composition, and the dry weight ratio of component (A) to component (B) being 1 : 1 to 40 : 1 and of component (A) to component (C) being 2 : 1 to 200 : 1. The preferred materials for use as component (B) are the well known non-ionic surfactants which are derivatives of polyethylene oxide and/or polypropylene oxide. Preferred quaternary ammonium compounds conform to the general formula wherein R 1  is C 1-20  alkyl, R 2  and R 3  are C 1  or C 2  alkyl, R 4  is C 1-20  alkyl or, if R 1  is at least C 12 , R 4  may also be benzyl; or the group (I represents a pyridine or imidazoline group and A is a mineral acid or organic acid anion.
Patent GB-1299510-A (GB)
Title: Improvements to self-centering circuits associated to an analog-to-digital coder
IPC: H03M1/00
Filed: 1970-11-13
Abstract: 1299510 Analogue-to-digital coding STANDARD TELEPHONES & CABLES Ltd 13 Nov 1970 [18 Nov 1969] 54099/70 Heading G4H The effect of cross talk and parasitic signals in the invention described in Specification 999,280 is reduced by shifting signal levels on the calibration channel and the normal channels by half a quantization step. A time division multiplexing arrangement using relays or field effect transistors is described.
Patent GB-1166999-A (GB)
Title: Photographic Elements and Methods of Preparing The Same
IPC: G03C1/496
Filed: 1966-12-05
Abstract: 1,166,999. Vapour deposition of silver halide. EASTMAN KODAK CO. Dec. 5, 1966 [Dec.6, 1965], No.54318/66. Heading C7F. Light sensitive silver halide films are formed by vapour depositing the halide into a continuously moving support in a vacuum chamber, the walls of said chamber and other parts of the apparatus which are in contact with the halide vapours being made of or coated with a material which does not react with the halide e.g. Ag, Ni, (Registered Trade Mark) "MONEL", glass or plastics. The silver halide source should also be heated in an inert material of Ag or graphite. As shown in Fig. 1 the support 15 of paper, plastics or subbed (Registered Trade Mark) "ESTER" is continuously passed via rollers 18 and 19 through slits 31 and 32 above a silver halide source 30 heated via electrode 29. The vacuum chamber 10 has condensation plates 22, 23, 24 cooled by liquid nitrogen and the support is preferably chilled to below its outgassing temperature. All the materials within the evaporating chamber 11 are made of or coated with Ag, Ni or "MONEL" and a movable mask may be located between the source and support. A monitoring device coupled to automatic controls to regulate the speed of the support is also provided to regulate the thickness of deposit.
Patent GB-1136620-A (GB)
Title: Apparatus for supplying electric current from an a.c. supply to a load at a low frequency
Inventor: PRICE DEREK ALFRED CHARLES
IPC: G05F1/45
Filed: 1966-12-07
Abstract: 1,136,620. Frequency changing; control of A.C. motors. ENGLISH ELECTRIC CO. Ltd. 7 Dec., 1966, No. 54798/66. Addition to 1,066,541. Headings H2F and H2J. In a modification of apparatus for supplying electric current from an A.C. supply 20 to a load 15 at a low frequency as defined in the parent specification a further controllable rectifier 40, 42 is connected in parallel with each of the main controlled rectifiers 28, 33 of the apparatus via a capacitor 44, 45. At the start of one half cycle from the constant frequency supply 20 SCR 28 is turned on and SCR 40 is off; current flows via rectifier 46 and SCR 28 to charge capacitor 44. The load 15 which may be an A.C. motor is supplied from a variable modulating transformer 60 and the rectifier network 16 which is completed by the ON SCR 28. At the end of the half cycle SCR 40 is fired ON by the triggering circuit 41 which discharges the capacitor 44 through the network 16 and SCR 28 to quickly render this SCR non-conducting. For the next half cycle SCR 33 and rectifier network 17 supply the load and the capacitor 45 and further SCR 42 perform the turn-off operation at the end of this half cycle for SCR 33. The frequency of the load current is dependent on the speed of rotation of the rotor 62 of the modulating transformer 60.
Patent GB-1458188-A (GB)
Title: Method of powder coating
IPC: C09D5/46
Filed: 1972-11-29
Abstract: 1458188 Dyeing polymers for powder coating KODAK Ltd 26 Nov 1973 [29 Nov 1972] 55096/72 Headings C3F C3P and C3R A method of powder coating comprises dyeing a film-forming thermoplastic polymer powder by treatment with a solution or dispersion of a dyestuff at a temperature below the melting point of the powder, applying the dyed powder to a substrate and heating to fuse the powder. The dye may contain an -SO 2 N 3 , -CON 3 , -N 3 , -CHBr 2  or -CBr 3  group and the dyeing step may be followed by heating and/or washing. The dyed powder may be electrostatically sprayed on to a steel panel or aluminium foil. In examples: nylon 11 powder is dyed with solutions of the yellow dye of formula the blue dye of formula Brilliant Acid Blue G acid dye, and Eastman (Registered Trade Mark) Polyester Yellow 6GLSW disperse dye; polytetramethylene terephthalate and 1,4-cyclohexylene dimethylene terephthalate/isophthalate copolymer powders are dyed with Eastman Polyester Dark Red FL disperse dye; red PVC powder is dyed purple with Eastman Blue BNN disperse dye; and blue cellulose acetate butyrate powder is dyed turquoise with a dispersion of Eastman Fast Yellow 4RLF disperse dye.
Patent GB-1332415-A (GB)
Title: Feeding devices
IPC: A01K5/02
Filed: 1971-11-29
Abstract: 1332415 Manger J A J FAURE 29 Nov 1971 [11 Dec 1970] 55276/71 Heading AIM [Also in Division E2] A manger, preferably of plastics material, for mounting against an opening in the wire netting of a rabbit or the like cage, comprises a translucent outside wall 3, two side walls 4, 5 a base 6, and a top cover 7 which can be hinged up about 15 to allow food to be passed between wall 3 and an inclined wall 8 which can be raised or lowered in slides 10 on the side walls to control the amount of food sliding down an inclined plane 6a of the base to gutter 6b. The gutter 6b is semicircular in section with a lip 9 turned back to face the inside of the manger, and the plane 6a is formed with a number of holes 17, each of which is closed by a thin membrane formed in plastics moulding operation, which can be easily broken out when it is desired to filter the food sliding over the plane. Undulations 8a are formed in the wall 8 to prevent damage caused by animals scratching behind the wall; alternatively the damage may be prevented by an extension jutting forward from the wall 8 having a toothed or undulated free edge (Fig. 3, not shown). Hooks 13 for attachment to the wire netting of the cage, can be received in a number of holes 14 to allow the position of the manger to be adjusted. The lid 7 has rounded edges and can be removed and inverted beneath the manger to serve as a receptacle for food dust.
Patent GB-1446920-A (GB)
Title: Marine plant and a method for reversing the propeller shaft  connected thereto
IPC: B63H21/16
Filed: 1973-11-29
Abstract: 1446920 Propelling strips LARS COLLIN CONSULT AB 29 Nov 1973 [8 Dec 1972] 55361/73 Heading B7V [Also in Division F1] A marine propulsion plant for driving a propeller 18 mounted on a shaft 17, comprises a gas turbine including a compressor 10, combustion chamber 11 and turbine 12 driving the compressor, and means 14 for governing the generation of motive fluid fed to a propulsion turbine 15 which is mounted on a shaft 28, the shafts 28, 17 being connected through a reversing gear comprising a gear-wheel 19 on the shaft 17, meshing with gears 20, 21 and coupled by way of clutches 22, 24 and 23, 25 with intermeshing gears 26, 27 the gear 26 being rotatable with the shaft 28, a brake 29 being also provided on the shaft 28, the mode of operation being such that in reversing the propeller 18 from the forward propulsion position with the clutch 22, 24 engaged, firstly, the supply of motive fluid to the turbine 15 is cut off, continuing movement of the ship driving the propeller 18, the clutch 22, 24 is then disengaged, and the brake 29 is applied to stop the turbine 15 whereupon the clutch 23, 25 is engaged this resulting in a momentary "backwards" station of the turbine 15 until the supply of motive fluid is restored, when the propeller 18 will be driven in reverse. In alternative embodiments the braking of the turbine 15 is affected by means of an adjustable swash-plate type pump and the reverse gearing elements are in the form of epicyclic gears with sun and planet wheels and with locking devices for preventing rotation, as desired, of the planet carriers.
Patent GB-1208690-A (GB)
Title: Multiple promoted iron oxide antimony oxide catalysts for oxidation of olefins
IPC: B01J23/84
Filed: 1968-11-21
Abstract: 1,208,690. Oxidation and ammoxidation processes. NITTO CHEMICAL INDUSTRY CO. Ltd. 21 Nov., 1968 [28 Nov., 1967; 20 Sept., 1968 (3)], No. 55392/68. Heading C2C. [Also in Divisions B1 and C5] Unsaturated nitriles are made by reacting an olefin, ammonia and oxygen in the presence of a catalyst of formula Fe a Sb b Me c Te d X e O f  in which Me represents V, Mo or W; X represents P or B and a = 10, b = 5-60, c = 0À01-1, d = 0À05-5, e = 0-1 and f = 22-151. Similarly, with omission of ammonia the reactants yield unsaturated aldehydes. Examples describe the preparation of acrylonitrile and methacrylonitrile and acrolein and methacrolein.
Patent GB-1477746-A (GB)
Title: Dispensing container closure
IPC: B65D47/20
Filed: 1974-12-23
Abstract: 1477746 Dispensing closure A A LOREDO 23 Dec 1974 55465/74 Heading B8T A dispensing closure for a plastics container comprises a body 3 with a discharge opening 5 and an internal cavity containing a bridge support 7, the seat 8 of which provides a journal for a hub 11 of a rotary valve but a spring device 13, abutting against the valve body 10 and the bridge support 7, prevents alignment of a discharge passage 16 in the valve with the opening 5 and an opening 17 in the seat 8 until the walls of a container to which the closure is applied are squeezed whereby internal pressure acts on a pressure face 15 of the valve to rotate it into an open position (Fig. 5). The closure may be moulded from plastics in two halves and may be internally screw threaded or integral with the container. A sealing gasket 18 may be fitted against a shoulder around the opening 5. The spring device may be a block of soft spongy rubber.
Patent GB-1111240-A (GB)
Title: Improvements relating to over-temperature protective arrangements for electrical apparatus
Inventor: PFEIFFER ADOLF
IPC: H02H5/04
Filed: 1966-12-13
Abstract: 1,111,240. Protective arrangements. LICENTIA PATENT - VERWALTUNGS G.m.b.H. 13 Dec., 1966, No. 55819/66. Heading H2K. An overload protective arrangement for an apparatus, e g a three-phase motor M, comprises one or more positive temperature coefficient resistors 12 heated by the apparatus windings and a relay 10 having its operating coil in series with the resistors 12 and its contacts 9 controlling the operation of a main contactor 4, 5. The relay is normally energized by the current through the resistors 12 so as to complete at contacts 9 the circuit for the contactor coil 4, but in the event of overheating the current through the resistors falls and the relay 10 releases to cause opening of the contactor 4, 5. The relay 10 is also arranged so that in the event of short-circuiting of the resistors 12, the increased current through the relay coil causes the operation of further contacts 18. This interrupts the circuit for the relay coil so that the relay releases causing the contactor to open. The contacts 18 may be latched open when this occurs. An indicating lamp 16 and fuses 1, 11 may be provided.
Patent GB-1312098-A (GB)
Title: Production of a copolymer and coating composition derived therefro
IPC: C08F2/18
Filed: 1970-11-25
Abstract: 1312098 Polymerization process; coating compositions MITSUI TOATSU CHEMICALS Inc 25 Nov 1970 [27 Nov 1969 29 Dec 1969 12 Feb 1970] 56170/70 Headings C3B and C3P Copolymers having a glass transition temperature of from 5-60‹ C. and an average molecular weight of from 1500 to 30,000 are prepared by copolymerizing a mixture of (A) at least 30% by weight of at least one monomer of the formula wherein R 1  is H or CH 3  and R 2  is C 1 -C 14  alkyl, (B) 3-20% by weight of (i) at least α,#- ethylenically unsaturated carboxylic acid or anhydride thereof and/or 3-40% by weight of (ii) glycidyl acrylate or glycidyl methacrylate, and optionally (c) up to 67% by weight of a copolymerizable monomer, said mixture being first bulk polymerized, optionally in the presence of a polymerization initiator, until monomer conversion is from 10-80% by weight, and then polymerized to complete monomer conversion in aqueous suspension in the presence of a polymerization initiator. Suitable examples of monomer B (i) are acrylic, methacrylic, itaconic, crotonic or fumaric acid, and maleic anhydride. Monomer (C) may be, for example, styrene, α- methyl styrene, vinyl toluene, vinyl chloride, vinylidene chloride, acrylonitrile, methacrylonitrile, vinyl acetate or vinyl propionate. Suitable polymerization initiators include benzoyl peroxide, lauroyl peroxide, cumene hydroperoxide, p-chlorobenzoyl peroxide, methyl ethyl ketone peroxide, t-butyl perbenzoate and azobisisobutyronitrile. A chain transfer agent, e.g. a mercaptan, disulphide, diazothioether or halide, may be present in either of the polymerization steps. Conventional dispersing agents may be employed in the second step, e.g. natural or synthetic macromolecular compounds, inorganic alkaline earth salts, siliceous materials, metals and metal oxides, alkali metal salts, and surfactants. Solid thermosetting coating compositions are obtained by melting a mixture of a copolymer as above and a cross-linking component which is either an epoxy resin having at least 2 epoxy groups (when component B(i) is present in the copolymer) or a compound having at least two carboxylic acid radicals, or the anhydride thereof, or at least two -NH- groups (when component B (ii) is present in the copolymer) at 120-200‹ C., and then cooling and solidifying the melt, which can optionally be crushed to powder form. Where the epoxy resin is used, a curing accelerator, e.g. one of the formula R 3 -NR 4 R 5  is also included in the melt, where each of R 3 , R 4  and R 5  is an optionally substituted C 1 -C 8 -alkyl or phenyl radical; quaternary ammonium salts are also useful curing accelerators. The compositions may also include fillers, pigments, cellulose derivatives, plasticizers, silicones or wax. The compositions can be applied to a material such as a metal and baked for 5-60 minutes at 160-220‹ C.
Patent GB-1172260-A (GB)
Title: Amorphous Glass Compositions
IPC: C03C3/32
Filed: 1967-12-13
Abstract: 1,172,260. Immersion lenses. TEXAS INSTRUMENTS Inc. Dec.13, 1967 [April 13, 1967], No. 56647/67. Heading G2J. [Also in Division C1] An infrared detecting system comprises I-R- transmitting element 2, e. g. a lens or dome, of Ge/Se/I glass, and I-R detector 1. The glass has composition, in atoms %, of approximately; Ge, 10-40; Se, 35-75; I, 0 to 45. The glass has R.I. of 2À3-2À5 at 3-5 Ám wavelength. The glass is substantially transparent to I-R over a range of e.g. 0À9-15 Ám.
Patent GB-1212560-A (GB)
Title: Improvements in or relating to the preparation of silica aerogels
IPC: B01J13/00
Filed: 1968-11-29
Abstract: 1,212,560. Silica aerogels. FRANCE, ARMED FORCES, MINISTER OF. 29 Nov., 1968 [30 Nov., 1967], No. 56765/68. Heading ClA. Preparation of silica aerogels is effected by dissolving a hydrolysable silicon compound giving in addition to silica volatile products by hydrolysis, such as methyl orthosilicate or silicon tetrachloride, in an organic solvent, such as methanol, adding an amount of water sufficient to hydrolyse said compound to silica and then subjecting the entire substance to temperature and pressure conditions such that the critical point of said solvent is at least reached. The quantity of methyl orthos-licate to be used is substantially between 5 and 30% by volume of the quantity of methanol, and the quantity of water added is between 1 and 5 times the stoichiometric quantity required for the hydrolysis when the medium is acid.
Patent GB-1259711-A (GB)
Title: Gas-liquid separator
Inventor: ROBBINS CHARLES HARTMAN
IPC: B01D45/12
Filed: 1969-11-21
Abstract: 1,259,711. Centrifugal separators. GENERAL ELECTRIC CO. 21 Nov., 1969 [21 Nov., 1968], No. 57192/69. Heading B2P. [Also in Division G6]  A gas-liquid separator for use as a steam water separator in a nuclear reactor steam generator (see Division G6) comprises an elongated vortex tube 36, Fig. 2, having a gas-liquid mixture inlet 31 at one end and an outlet at the other end; a vortex generator 32 adjacent the inlet 31 for receiving a gasliquid mixture and for establishing in the tube 32 a gas vortex surrounded by a liquid vortex; a liquid discharge channel 38 surrounding the vortex tube; a tubular pick-off ring 42 and an annular cover 41 adjacent the outlet of the vortex tube for directing the liquid vortex into the discharge channel 38; and a number of longitudinal, vanes 43 positioned in the discharge channel 38 for arresting the vortex flow of the liquid, the vanes having axially directed leading ends. An annular flow-restriction ring 44 is provided in the channel 38 to maintain a minimum thickness of the liquid vortex in the tube 36. The gas vortex passes through a tube 37 into a dryer 23 comprising a tube 55 against which liquid carried by the gas is separated out and directed by a pickoff ring 57 and an annular flange 58 to a channel defined between the tube 55 and a surrounding tube 59. A gas-liquid mixture from the boundary between the steam and water vortices in the tube 36 flows between the pick-off ring 42 and the tube 37 and is directed by an annular cover 48 into an outer channel 46 within which are arranged vertical chambers 49 and baffles 51, Fig. 4. Assuming a counterclockwise rotation of the mixture entering the channel 46, each chamber 49 is formed of a front member 52, a perforated rear member 53 and a top member 54. The mixture first encounters the front members 52 and the baffles 51 which arrest its rotation and turn the mixture downwards as shown by the solid arrows. The resulting centrifugal force causes the gas to flow, as shown by the dashed arrows, through the perforations in the members 53 into the chambers 49 and out through exit openings 56 formed in the outer tube 47, while the water flows downwards.
Patent GB-1212367-A (GB)
Title: A high frequency signal level measuring instrument
IPC: G01R35/00
Filed: 1967-12-18
Abstract: 1,212,367. Voltage measurement. WANDEL U. GOLTERMANN K. G. Dec. 18, 1967 [Dec. 23, 1966], No.57278/67. Addition to 1,154, 601. Heading G1U. To calibrate a voltage measuring instrument of the heterodyne type in which an input signal is passed through a range adjusting input potential divider 401 and then mixed at 403 with a local oscillator frequency from generator 404 to produce a signal at IF which is passed to a filter 407, amplifier 408, detecter 409 and indicator 410, a calibrating alternating voltage of constant amplitude and frequency from a calibrating voltage generator is applied instead of the normal input to the input of the instrument. A calibrating divider, which may be included anywhere in the signal path between the calibrating voltage generator and the IF detector, is coupled to and adjusted with the input divider and is switched into circuit during calibration, so that the two dividers together provide a nominally constant overall attenuation of the calibrating signal irrespective of the setting of the input divider. The IF amplifier is then adjusted to give a particular reading on the instrument output indicator. In one simple arrangement, Fig. 2 (not shown) the calibrating divider, which may be a transformer attenuator, is placed in the calibrating signal path between the calibrating voltage generator and the input potential divider. It is better, however, to situate a transformer attenuator 413 in the IF stage of the instrument. Calibration may be carried out automatically by pulsing switches 412, 417, 416 to establish measuring and calibrating periods. In a calibrating period, switch 412 applies the calibrate signal from generator 405 to the input divider instead of the normal signal, switch 417 brings in an appropriate fixed local oscillator frequency from a generator 418 and switch 416 connects the attenuator 413 into the IF signal path. The capacitor 421 stores the immediately previous measuring result for application to the indicator 410 during a calibrating period, while 422 stores a control voltage determined during a calibrating period for maintaining the amplifier 408 in correct adjustment during the following measuring period. Circuit details of this automatic system, similar to those given in Specification 1, 154, 601, are given.