baber/WOPTO huggingface dataset:
Patent GB-1161692-A (GB)
Title: Coating Apparatus
Inventor: TYLER THOMAS JOHN CHARLES
IPC: B05C11/02
Filed: 1966-04-07
Abstract: 1,161,692. Coating apparatus. IMPERIAL CHEMICAL INDUSTRIES Ltd. 31 March, 1967 [7 April, 1966], No. 15658/66. Heading B2L. In apparatus for applying and distributing coating material over the surface of an elongate article of irregular cross-section there is provided a series of distributors arranged in stepped formation located at intervals along the line of motion of the article such that distribution of coating material will take place sequentially first over the uppermost faces and then in turn over lower faces of the article. The distributors can 'be resilient pads, skirts or rollers, brushes of natural or synthetic bristle or air brushes and ,they may be adjustable in position..
Patent GB-1516511-A (GB)
Title: Curable epoxide compositions
IPC: C09D163/00
Filed: 1975-04-16
Abstract: 1516511 Photo-sensitive resists GENERAL ELECTRIC CO 16 April 1975 [2 May 1974] 15701/75 Heading G2C [Also in Divisions B5 and C3] A photo-resist is prepared by exposing a coating comprising an epoxy resin and an aromatic onium salt of S, Se, or Te capable of curing the resin by release of a Lewis acid when exposed to radiation e.g. U.V. or an electron beam. Examples of the salt are triphenylsulphonium tetrafluoroborate, triphenylselenonium hexafluoroarsenate, S-phenyldibenzothiophenium fluoroborate, and S-phenylthioxanthene fluoroborate. The epoxy resin is one or more of an epoxy monomer, dimer, oligomer of polymer, e.g. the reaction products of epichlorohydrin with either bisphenol-A or novolak resins, epoxy-siloxanes, epoxy-polyurethanes and epoxy-polyesters, and vinyl copolymers derived from glycidyl (meth)acrylate.
Patent GB-593936-A (GB)
Title: Improved apparatus for stripping insulation from electrical conductors
IPC: H02G1/12
Filed: 1945-06-20
Abstract: 593,936. Electric heating. SAYER, C. M., and METROPOLITAN - VICKERS ELECTRICAL CO., Ltd. June 20, 1945, No. 15729. [Class 39 (iii)] [Also in Groups VIII and XXXVI] A notched electrically-heated blade for stripping cable ends has its cross-section reduced or constricted in the vicinity of the notch so as to intensify the heating effect at the notch. The blade 1, Fig. 5, has sides 2, 3 for connection to current-supply members and has independent slits.or notches 23, 24 on both sides of the cable notch 25 which may be V- shaped or semi-circular. The blade may be reduced in thickness in the vicinity of notch 25 and have one or more reinforcing members rigidly fixed to the blade, these members being of insulating material or being separated from the blade by insulation such as mica, glass or a vitreous or oxidized coating. The sides 2, 3. Figs. 1, 2, are secured to conductor bars 4, 5, the former connected direct to a terminal 7 and the latter carrying a contact 11 depressed by push bars 15 to engage a contact 10 carried by the other terminal 8. A shunt resistance 32 may provide a lower heat when the contacts 10, 11 are open, for use with thermoplastic coverings. An adjustable stop bar 29 with thumb screw 30 is provided. The cable is pressed into the notch by a pivoted presser 27 which may clear away from the hot blade any adherent insulation. For confined spaces, an extended head may be provided by lengthening the sides 2, 3 and reducing the length of the part 1, the slots 24 being in the sides 2, 3.
Patent GB-529314-A (GB)
Title: Securing the heads to the cylinders of internal combustion engines
IPC: F02F1/04
Filed: 1939-05-26
Abstract: 529,314. Cylinders. BAYERISCHE MOTOREN WERKE AKT.-GES. May 26, 1939, Nos. 15741 and 15742. Convention dates, May 27, 1938, and June 1, 1938. [Class 7 (ii)] [Also in Group XXII] Heads 5 that are shrunk on to cylinder barrels 1 have a threaded engagement at 4 and a casting of metal such as tin at the joint.
Patent GB-1103721-A (GB)
Title: Improvements in or relating to reactivity control of nuclear reactors
Inventor: MARTIN DUDLEY JAMES VICTOR
IPC: G21C7/22
Filed: 1964-04-16
Abstract: 1,103,721. Controlling reactors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 19 March, 1965 [16 April, 1964], No. 15795/64. Heading G6C. In a superheated steam generating, heavy water moderated reactor, reactivity control is effected by the displacement of liquid neutron absorber in receivers disposed in the core. In one embodiment, the absorber level in the receivers is automatically adjusted by a piston in accordance with the reactor degree of reactivity. A second piston is released upon receipt of a shut-down signal, to provide a rapid surge of absorber into the receiver. The absorber receiver is cooled by the circulation of the surrounding moderator. In further embodiments, the pistons are replaced by a deformable diaphragm or bellows. The absorber may be a boric acid, heavy water solution or a cadmium sulphate, heavy water solution or helium 3.
Patent GB-706506-A (GB)
Title: Improvements in or relating to chocolate compositions and process for the stabilization of same to prevent bloom
IPC: A23G1/36
Filed: 1951-07-04
Abstract: To inhibit the formation of "bloom" on chocolate, there is added a mixture of a partial ester of a fatty acid (e.g. stearic, lauric, or oleic acid) with sorbitan, and a polyoxyalkylene partial ester of a fatty acid with sorbitan.  The two esters are mixed in the ratio of 40:60; 50:50; or 60:40; and between 0.5 and 1.0 per cent by weight of the mixture is added to the chocolate. Examples of the partial ester are; sorbitan monostearite, sorbitan tristearate; sorbitan monolaureate, sorbitan monopalmitate.
Patent GB-1534072-A (GB)
Title: Coil handling system
IPC: B65G47/248
Filed: 1976-04-20
Abstract: 1534072 Rollerways/pallets MORGAN CONSTRUCTION CO 20 April 1976 [21 April 1975] 15905/76 Headings B8A and B8H An upstanding cylindrical coil C is transferred between work stations having a coil transfer mandrel by means of a pallet having spaced base members 49 and spaced upstanding coil supports 52, the pallet being transferred by a rollerway having separately driven modules of which those adjacent the work stations are bifurcated to receive the mandrel. There may be parallel rollerways with modules being carried on shiftable carriages running on rails so as to position the modules in either rollerway.
Patent GB-1468051-A (GB)
Title: Optical polarisers
IPC: G02B1/02
Filed: 1975-03-21
Abstract: 1468051 Polarization GENERAL ELECTRIC CO Ltd 21 March 1975 [10 April 1974] 15918/74 Heading G2J A Glan air-spaced polarizer, substantially of the form shown, comprises a crystal of a birefringent substance having a figure of merit defined by: |#n|N#| wherein N = No + Ne and #n = Ne-N0; No and Ne respectively being the R.I. of the substance, at any given wavelength, in respect of the ordinary ray and the extraordinary ray.  The crystal may have a high birefringence such that the Brewster angle for the ray, O or E, having the greater R.I.is greater than or equal to the critical angle of the other ray. The crystal may be composed of one of these substances: Fe 2 O 3 , hematite; Mn 3 O 4 , hausmannite; ZnMn 2 O 4 , hetaerolite; MnTiO 3  pyrophanite; PbCrO 4 , crocoite; MgTiO 3 , geikielite, TiO 2 , rutile, or PbCO 3 , cerussite.
Patent GB-591941-A (GB)
Title: An improved process of producing magnesium oxide
IPC: C01F5/06
Filed: 1943-09-28
Abstract: Magnesium oxide of uniformly high reactivity is produced by heating to 800-1100 DEG C. for a comparatively short period a compound consisting wholly or largely of magnesium hydroxide or carbonate, having a substantially uniform grain size so small that the necessary period of heating is so short that substantial grain size modification does not occur.  The preferred grain size is not above 10,000 mesh/ sq. cm.  The preferred reaction time is the minimum for substantial decomposition, e.g., 1/10 seconds to 2 minutes according to the temperature.  The product is preferably rapidly removed from contact with decomposition gases and high temperature conditions, e.g., by electro-precipitation or by chilling with a cold current of inert gas introduced into the reaction chamber or into a separate cooler.  Examples describe the use of (1) an externally heated rotary furnace with internal agitation and (2) a rotating tube with an internal axial burner, the magnesium hydroxide being suspended in and sprayed in the combustion air.  A vertical collecting tower and precipitator is used.  The compound may also be suspended in the combustion gas. Specifications 477,617 and 514,538 are referred to.
Patent GB-746728-A (GB)
Title: Improvements in or relating to breaker strip frames for heat insulated cabinets or the like
IPC: F25D23/08
Filed: 1954-05-31
Abstract: 746,728. Refrigerators. ELECTROLUX, Ltd. May 31, 1954 [July 17, 1953], No. 16058/54. Class 29. In a refrigerator having an inner liner 11 and an outer shell 12, the breaker is strip 15 is in the form of a one-piece frame applied all round the opening and has shoulders 16, 17 engaging behind flanges 14, 13 of the shell 12 and liner 11  when the strip is sprung into position. The outer edge of each side of the strip has one shoulder 16 at the centre and each inner edge has two shoulders 17.
Patent GB-1075048-A (GB)
Title: Welding flux
IPC: B23K35/36
Filed: 1966-04-13
Abstract: A welding flux particularly for submerged arc welding of low alloy steels consists of by weight:- .Al2O3.from 0 to 15% .MnO.from 0 to 15% .CaF2.5 to 50% .NaF.5 to 55% .SiO2 and CaO.Balance in a ratio of ..SiO2: CaO of 2.16: 1 to 1:1  The flux may also include metal of the same analysis as the electrode or steel being joined and may be produced by fusion, sintering or bonding with sodium silicate and crushed and screened to form granules.  Alternatively the flux may be used as a core of a hollow tubular welding wire.
Patent GB-654705-A (GB)
Title: Improvements in or relating to the manufacture of cathode ray tubes
Inventor: COLBORNE RONALD HENRY
IPC: C03B23/023
Filed: 1948-06-17
Abstract: 654,705. Cathode ray tubes. ELECTRIC & MUSICAL INDUSTRIES, Ltd. June 17, 1948, Nos. 16261/48, 16262/48 and 7712/49. [Class 56] A step in the manufacture of a cathode ray tube comprises clamping a glass plate to a support extending around its periphery, heating the sheet until it becomes plastic and then causing distention of the plastic glass to form a portion of the tube. The distention may be produced by the glass sinking under its own weight, or a former may be forced into the plate when plastic (e.g. by carrying the clamp and the former in the headstock and tailstock respectively of a lathe), or by applying suction beneath, or air pressure above, the plate in a mould. The shaped part may be a conical or partly spherical side wall of the tube or a partly spherical end wall. Specification 3444/09, [Class 56], is referred to.
Patent GB-529533-A (GB)
Title: Improvements in or relating to sole laying or levelling machines
IPC: A43D25/06
Filed: 1939-06-02
Abstract: 529,533. Sole laying and levelling. DONOVAN, A. W. June 2, 1939, No. 16268. [Class 17 (i)] A rigid form having a glossy surface complementary to the desired surface contour of the finished outer sole is pressed against a sole which has been tempered and positioned against the bottom of a lasted shoe, to cause the surface to be permanently set to the contour of the form. Preferably, the sole is secured to the shoe by cement at the same time. The form may mould the forepart only of the sole. The heel seat may be roughened while the forepart is being moulded. An inflatable press of ordinary type may be used, and the form may comprise a rigid metal base plate 18, substantially flat, a sole contracting plate 19 of metal, synthetic resin or celluloid and spacing material, e.g. compounds of plaster of Paris and glue,' or plastic wood. The plate 19 has a substantial elevation 22 to suit a shoe of the arch supporting type. The form may be heated by embedded electric resistances. The heel end of the form may be covered by a sheet of sand-paper to roughen the heel seat of the shoe. The form may be in one piece of cast metal, or synthetic resin. Spring and other gauges may be secured to the form to facilitate positioning the work. The upper of a high boot may be folded over with a pad between it and the last pin-hole. The edges of the form may be upturned. When the forepart of the shoe only is moulded by a levelling form, the form may have a rearward extension of rubber, to avoid marking of the sole. In a modification rigid forepart and heel plates may be joined by a flexible connecting piece. When it is desired to curl the edge of the forepart upwardly, a U-shaped inflated bag may be positioned under the sole margin. The base plate 18 may be between the usual leather cover and the rubber bag of the inflatable press.
Patent GB-1367870-A (GB)
Title: Esters of phenyl indan and polymeric compositions containing same
IPC: C08L1/00
Filed: 1973-05-05
Abstract: 1367870 Esters of phenyl indan INTERNATIONAL STANDARD ELECTRIC CORP 5 April 1973 [11 April 1972] 16276/73 Heading C2C [Also in Division C3] The invention relates to phenyl indane esters of the general formula in which A, B, C, D, E and F are selected from hydrogen, carboxyallyl and carboxy methallyl radicals and wherein one of A, B and C and one of D, E and F is a carboxyallyl or a carboxymethallyl radical. Particularly preferred compounds are those in which A, C, D and F are hydrogen and B and E are each in which R 1  is hydrogen or methyl. Compounds claimed per se are 1,1,3-trimethyl-5-carboxy-3- (p - carboxyphenyl) indan diallyl ester; 1,1,3- trimethyl - 5 - carboxy - 3 - (p - carboxyphenyl) indan dimethallyl ester; a mixed allyl-methallyl diester of 1,1,3-trimethyl-5-carboxy-3-(pcarboxyphenyl) indan. The compounds may be prepared by reacting a precursor phenyl indan dicarboxylic acid such as a 1,1,3-trimethyl-5- carboxy - 3 - (p - carboxyphenyl) indan - diacid with thionyl chloride to produce the corresponding diacyl chloride and reacting this diacyl chloride with allyl alcohol, methallyl alcohol or a mixture of allyl and methallyl alcohol.
Patent GB-515389-A (GB)
Title: Improvements in or relating to the distillation or heat treatment of solid carbonaceous materials, especially briquettes
IPC: C10B7/06
Filed: 1938-05-31
Abstract: 515,389. Carbonizing-apparatus. BRITISH COAL DISTILLATION, Ltd., MACHEN, C., and ARAM, E. H. G. May 31,1938, No. 16294. [Classes 51 (ii) and 55 (i)] Carbonaceous or other solid materials are heated in a thin layer on a moving hearth, heat being supplied by a thin metal sectionalized roof suspended over the charge by rods which pass through a refractory roof over the metal sections, and are secured to an external framework. In an annular oven the side walls 1 are recessed at 21 to support circular troughs 2, continuous troughs 3 together with cross members 23 providing supports for cover plates 4 which consti-. tute the roof. Suspension rods 6 passing through the roof carry cross shaped supporting members 24. The material is carried on a rotating hearth 5 which is heated by hot gases from a furnace 9, which gases may be mixed with attemperating gases from a return flue 18. The heating gases pass partly through opening 26 in arch 7 to the space 27 above the metal roof, and part, under control of dampers 15, 16, enter spaces 11 to 14 around the hearth. The sectional plates 4 are supported in sand seals formed by the troughs 2, 23, 25, and cross pieces 24, and are free to move under expansion in any direction. Specification 450,240 is referred to in the Provisional Specification.
Patent GB-879781-A (GB)
Title: Improved dust filter bag for vacuum cleaners
IPC: A47L9/14
Filed: 1958-05-21
Abstract: 879,781. Suction cleaner filter bags. ELECTROLUX Ltd. May 21, 1958 [July 1, 1957], No. 16311/58. Class 8(2). A bracing ring 14, Fig. 1, secured round the mouth of a suction cleaner filter bag 17 and which is clamped against a casing seat 12, Fig. 2, by the cleaner cover 11 has radially outwardly projecting tabs 24 by which the bag may be handled during insertion into or removal from the cleaner casing 10. The ring 14 is of flexible material and has a groove 21, 22, Fig. 4, which when sprung open allows access of a wire ring 20 in a hem of the bag mouth. In a modification the bag mouth is inserted in the groove of ring 14 during moulding, and in further modifications the bracing ring is of corrugated or bellows form.
Patent GB-129179-A (GB)
Title: Improved Attachment to Short Magazine Lee Enfield Rifles for Instruction Purposes.
Inventor: SPRINGHALL JOHN WINCHESTER
IPC: F41A33/00
Filed: 1918-10-08
Abstract: 129,179. Springhall, J. W. Oct. 8, 1918. Breech actions, sliding breech-block; safety appliances; teaching small-arm shooting.-Consists in attaching a spring-clip a, having the shape of a lock-spring, to the firing-pin of a service Lee- Enfield rifle immediately in front of the cocking- piece c, so that when the trigger is pulled and the pin flies forwards, it is arrested when the clip a strikes the rear of the bolt, and fails to fire the cartridge. The object is to enable live instead of dummy cartridges to be employed for drill purposes.
Patent GB-833448-A (GB)
Title: Improvements in or relating to the production of semi-conducting crystals
IPC: C30B15/00
Filed: 1956-05-28
Abstract: 833,448. Semi-conductor devices. TELEFUNKEN G.m.b.H. May 28, 1956 [May 26, 1955], No. 16372/56. Class 37. A P or N-type crystal is grown from a fused mass of semi-conductor and an impurity in the form of a compound which is soluble in the semi-conductor, not substantially vaporized at the fusing temperature and comprises at least one donor (or acceptor) constituent having a greater segregation coefficient than any other acceptor (or donor) constituent. In the preferred example, indium phosphide is added to a silicon melt from which a silicon crystal is produced by pulling or otherwise. Since the segregation coefficient of the donor phosphorus exceeds that of the acceptor indium, an N-type crystal will be produced. Use of the compound as the impurity avoids the difficulty that phosphorus, arsenic or antimony used alone would vaporize away before the melting-point of silicon was reached.
Patent GB-731219-A (GB)
Title: Improvements in or relating to petroleum distillate fuel oil compositions
IPC: C10L1/14
Filed: 1953-06-15
Abstract: A distillate fuel oil composition comprises a major proportion of a petroleum distillate fuel oil and a minor proportion of a mixture of a straight chain aliphatic primary amine or mixture of amines and an oil-soluble ammonium, alkali metal or alkaline earth metal sulphonate or naphthenate.  The amines may contain 8-20 carbon atoms; amines specified are mixtures of C12H25NH2, C14H29NH2 and C18H35NH2, and of C16H33NH2, C18H37NH2 and C18H35NH2.  The sulphonate and naphthenate may be the petroleum sulphonate and napthenate; sodium petroleum sulphonate is mentioned.  The additives may be added directly to the fuel oil or added as a concentrated oil solution.  The fuel oil, which may be kerosene or heating oil, preferably contains at east 10 per cent by volume of cracked stocks; an oil specified consists of 30 per cent by volume of catalytically cracked stock, 50 per cent of thermally cracked stock and 20 per cent of virgin stock.  Optional ingredients mentioned are mutual solvents such as glycol ethers, metal phenolates, phenol sulphides, phosphate and thiophosphate esters and rust inhibitors such as sorbitan esters, pentaerythritol esters and salts of alkyl phosphoric acids.
Patent GB-1221426-A (GB)
Title: Improvements in or relating to the manufacture of composite ferrites
Inventor: COWLARD FREDERICK CLAUD
IPC: H01F1/36
Filed: 1967-04-11
Abstract: 1,221,426. Magnetic compositions. PLESSEY CO. Ltd. 27 March, 1968 [11 April, l967], No. 16414/67. Heading H1H. A ferrite containing a basic oxide is produced by dissolving the metals or compounds of the metals present in the ferrite in HNO 3 , decomposing the solution and heating to form the ferrite, passing the nitrous gases from the decomposition and solution stages through an absorption system for recovering HNO 3 , using the HNO 3  to form the nitrate solution, passing the tail gases of the absorption system through a dispersion of a basic oxide present in the ferrite, and dissolving the modified dispersion in HN0 3  to form at least part of the nitrate solution of this metal. In the example, a solution of Fe, Zn and Mn nitrates was sprayed on to a surface held at 25010 C. and the oxide powder was discharged into a calcination chamber held at above 650 C., e.g. 800 C. The product contained 71 wt per cent Fe 2 O 3 , 14.02% ZnO, and 15.06% MnO, and was 60% spinel. Also mentioned is (Ba, Sr) Fe 12 O 19 , for which a decomposition temperature of 750 C. is used.
Patent GB-998486-A (GB)
Title: Improvements in or relating to cathode ray tubes
IPC: H01J29/87
Filed: 1962-04-30
Abstract: 998,486. Cathode-ray tubes. SOC. DES VERRERIES INDUSTRIELLES REUNIES DU LOING. April 30, 1962 [April 28, 1961], No. 16430/62. Heading H1D. In the manufacture of a cathode-ray tube a rigid band is placed in position over the area of the welding line between the screen and cone portions of the envelope before the evacuation step so that, on account of the swelling observed to occur in this region of the envelope during evacuation, a good contact is obtained between the envelope and the band. The band may be of metal and in two parts 6, 6a and with an inner material 7 having a relatively high softening point, e.g. cuprous chloride.
Patent GB-481729-A (GB)
Title: Improvements relating to internal combustion engines using solid pulverulent fuel
IPC: F02B45/02
Filed: 1936-06-12
Abstract: Pistons, piston rings, cylinders, cylinder liners, valves, and like parts of internal-combustion engines using solid pulverulent fuel are made from ledeburitic steel alloys containing 10,1-35 per cent of chromium and 0,6-5 per cent of carbon, with or without up to a total of 30 per cent of vanadium, molybdenum, or tungsten, the parts being hardened, for example in oil, to a Brinell hardness of over 400. Parts made of an alloy containing 18 per cent of chromium, 1 per cent of tungsten and 2,5 per cent of carbon may be hardened by heating to 950 DEG  C. and cooling slowly or quickly.  The Specification as open to inspection under Sect. 91 describes also parts made of various other irons and steels containing any of the elements carbon, chromium, vanadium, molybdenum, tungsten, manganese, and silicon, and states also that the parts may be made with a wear-resisting outer surface and softer shell or core by casting or welding.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1393441-A (GB)
Title: Sheet collators
IPC: B65H39/043
Filed: 1972-04-10
Abstract: 1393441 Sheet-collators; feeding sheets GENERAL BINDING CORP 10 April 1972 16442/72 Heading B8R Sheets are separated simultaneously from a plurality of piles 12, Figs. 1 and 3, on sloping trays 11 by reciprocating feet 13, and are each fed to the nip between a driven roller 14 and a plurality of larger diameter idler rollers 15, Figs. 1, 3, and 4, then being passed between all further such forwardly actuated nips to a tray 18 over which pass two endless belts 17. The rollers 15 are horizontally adjustable by means of bars 31 so as to direct the sheets accurately to the successive nips. A sheet bearing the last nip is directed so that its centre portion passes over and rotates a freely rotatable roller 23, while its edge portions are bowed downwards 'by arms 20, Figs. 1, 3, 4 and 5, of a pivoted deflector. The sheet then abuts a gate 19 and rebound is prevented by the mounting 24 of the roller 23. When the stack on the tray 18 is complete, the gate 19 is lowered by a cam 26 and the belts 17 move the stack on to a tray 25, after a device 10 has stapled the sheets of the stack together. Side guides 41 define the side edges of the stack.