baber/WOPTO huggingface dataset:
Patent GB-101589-A (GB)
Title: Improvements in and relating to Tires.
Inventor: ESTES WILLIAM BROWNLOW
IPC: B60C7/24
Filed: 1916-04-06
Abstract: 101,589. Estes, W. B. April 6, 1916. Non-metallic elastic bodies and cores. - A solid tyre is formed with a V-shaped channel 4 and sprung over diverging flanges 2 formed on a flat metal band 1, so that the body, which has a flat wall 10<a>, is in tension. The edges of the flanges have rounded beads 3. The inner edges of the tyre have flat bases 8 lying on the flat lateral portions of the band. The outer part of the tyre has concave walls 15 and converges towards a tread having two rounded ribs 14 separated by a flaring groove 13.
Patent GB-490609-A (GB)
Title: Improvements in or relating to spring mattresses
IPC: A47C23/053
Filed: 1937-02-20
Abstract: 490,609. Mattresses. CROWN BEDDING CO., Ltd., and SECCOMBE, J. C. Feb. 20, 1937, No. 5103. [Class 52 (iv)] A wooden bearer bar a for upholstery springs has its major dimension in the vertical direction and is reduced in width at its upper part' b where the spring is threaded through spaced holes c or slots, there being in the latter case a retaining strip secured to the upper face of the bar.
Patent GB-1023533-A (GB)
Title: Improvements in and relating to automatic air relief devices
Inventor: ISRAELSSON AXEL BERTIL
IPC: F24D19/08
Filed: 1963-02-08
Abstract: 1,023,533. Valves. R. A. ANDERSSON. Feb. 8, 1963, No. 5177/63. Heading F2V. An air relief device for a pressurized hot water system comprises a two-part housing 11, 12, Fig. 1 (not shown), with a ring seal 14 and securing screws 13, a float 18 of which a sleeve 19 is slidable on a guide pin 17 rising from an inlet fitting 15, and a valve member 20 at the upper end of the sleeve coacting with a seat 21 of an air outlet fitting 23 provided with an orifice 28 and a cap 29. The discharge may be collected by a pipe instead of escaping through the orifice 28. An extension 37 of the valve member serves as a guide and prevents clogging of the outlet. In a modification, the valve member is separate from the sleeve 19 and is connected with the float by a lever pivoted on a bracket depending from the fitting 23.
Patent GB-727562-A (GB)
Title: Improvements relating to a method of adsorbing, and apparatus therefor
IPC: B01D46/26
Filed: 1950-03-01
Abstract: <PICT:0727562/III/1> In an apparatus for continuously absorbing vapours by means of a solid absorbent of the kind in which the absorbent is contained in a closed annulus subdivided radially into compartments and rotatable in a closed outer casing, means being provided for continuously flushing the adsorbent in a radial direction in one part of the annulus while adsorption is taking place in another part of the annulus, circumferential metal bands with spaced ports are provided on the inner and outer peripheries of the annulus, the ports, each in register with a compartment of the annulus, being centrally situated with respect to the longitudinal annulus axis, and an inlet and an outlet for steam are arranged in steam-tight sliding relationship with the inner and outer hands on the same radial axis, to <PICT:0727562/III/2> isolate one or more compartments to reactivate them by the passage of steam while the rest of the annulus is employed for adsorption. In the drawing, Fig. 2, an annular drum 1 rotates within an outer casing 2 on hollow trunnions 6 in bearings 7 of the outer casing, by a drive from sprocket 47.  Solvent-laden air enters the outer casing from an inlet 27 (Fig. 1), passes inwardly through the annulus packed with solid absorbent and the solvent free air leaves through the hollow trunnion 6.  Metal bands 23, 25, with ports 24, are arranged on the outer and inner peripheries of the annulus and a steam pipe 43 is connected to a sliding shoe 38 in steamtight relationship with the inner band.  A similar sliding shoe 34 is arranged adjacent the outer band to withdraw steam passed radially outwards from pipe 43 to a steam outlet 33.  As shown in Fig. 1, the annulus is radially divided by partitions 13 to form compartments 14 which are closed at outer and inner peripheries by perforated sheets 16 and 15 and are, by virtue of packing strips 21 and 22 seated against the smooth inner and outer surfaces of the annulus.  The apparatus may also be provided with means to pass drying or cooling air through the absorbent after steaming.
Patent GB-1521913-A (GB)
Title: Method of stabilising a medicinal preparation containing an oil-soluble vitamin against oxidative spoilage and the stabilised preparations
IPC: A61K31/07
Filed: 1975-08-07
Abstract: 1521913 Oil-soluble vitamin compositions INST ORGANICHE SINTEZA AKAD NAUK LATVII SSR and VSES N I VITAMINNY INST 7 Aug 1975 05302/78 Divided out of 1521912 Heading A5B Pharmaceutical compositions containing an oil-soluble vitamin (e.g. vitamin A or its acetate, vitamins D 2  and D 3 ) are stabilised against oxidative spoilage by incorporating in the composition an anti-oxidant 1, 4-dihydropyridine derivative of general formula (I): wherein R 1  is methyl, phenyl, phenyloxy, benzyloxy, C 1-12  alkoxy, cinnamyloxy or cyclohexyloxy, and R 2  is methyl; or R 1  and R 2  together represent a 2, 2-dimethylpropylene group; and R 3  is hydrogen or carboxypropyl. The composition may be in solid form of the vitamin with a solid excipient, or may be a solution of the vitamin in a vegetable oil. The anti-oxidant may be added as a solution in ethanol, isopropanol or vegetable oil.
Patent GB-348228-A (GB)
Title: Improvements in grain cleaning process and machine
IPC: B07B13/02
Filed: 1930-02-17
Abstract: 348,228. Centrifugal separators. FORSTER, T. E., 1705, North Market Street, Wichita, Kansas, U.S.A. Feb. 17, 1930, No. 5313. [Class 23.] Density separators.--A process for cleaning smut and the like from grain comprises subjecting the grain, in small quantities, to the action of a current of air which is carried from one end of a cylinder to the other and is whirled cyclonically therein, to produce a partial vacuum centrally and a zone of high pressure at the periphery of the cylinder, the grain being carried in suspension by the denser air at the periphery and the smut and the like being sucked from the grain into the central partial vacuum. Apparatus for carrying out this process comprises a smooth imperforate horizontal cylinder 10 with air and grain inlets 12, 11 and outlets 14, 16. An air current is produced by the fan 22, the current being whirled by radial arms 21, bent rearwardly at 21<1> and arranged helically on a central shaft 18 which also carries the fan 22. An arrangement of baffle-plates 23, 25, 26, 27, 28 prevents grain from passing on to the air outlet 14, a vertically adjustable section 29 of the baffle 23 extending downwards into the grain outlet 16. Louvres 34 allow adjustment of the velocity of air through the cylinder. Trap doors in the cylinder allow adjustment of the baffle section 29, and other necessary adjustments. In a modification, the baffle system is replaced by an openwork baffle extending across the cylinder with its lower portion projecting into the grain outlet.
Patent GB-329373-A (GB)
Title: Improvements in or relating to tins
IPC: B65D47/02
Filed: 1929-02-18
Abstract: 329,373. Shell-Mex, Ltd., and Carmel, M. Feb. 18, 1929. Stoppers with valves; sprinkling and like stoppers.-A tin 1, preferably shaped to resemble a miniature petrol can, adapted to supply small quantities of liquid, e.g. to supply petrol " lighters " with petrol, comprises a neck 2, a screwstopper 3, a nozzle 4 having a small bore 5, a closure cap 7 and a pin or wire 9, preferably bent at 10 to prevent it from falling out when the tin is inverted, which guides the liquid. The head of the pin 11 is preferably received by a countersunk portion of the nozzle, and washers 6, 8 are preferably fitted to ensure good joints.
Patent GB-511534-A (GB)
Title: Improvements in or relating to the catalytic dehydration of alcohols
IPC: C07C1/24
Filed: 1938-02-21
Abstract: 511,534. Dehydration of alcohols to olefines. DISTILLERS CO., Ltd., and STANLEY, H. M. Feb. 21, 1938, No. 5400. [Class 2 (iii)] In the catalytic dehydration of alcohols by contact with a solid or granular phosphoric acid or phosphate catalyst at elevated temperature, a mixture of the alcohol and one or more volatile phosphoric acid esters is passed over the catalyst. Esters of the lower alkyl alcohols, such as triethyl, tripropyl, and tributyl phosphates, are suitable in amounts of about .01-.2 per cent. by weight of the alcohol. They may be added continuously or intermittently. The amount added should be sufficient to compensate for the phosphoric acid lost from the catalyst. In the production of ethylene from ethyl alcohol, .1 per cent. of triethyl phosphate may be used. For higher olefines such as 'propylene and butylene the amount may be less, e.g., .025 per cent. for propylene. In examples:-(1) A vaporized mixture of 70 per cent. ethanol, 1 per cent. each of triethyl and tri-n-butyl phosphates, and a residue of water, is passed over a catalyst heated to 260‹C. and prepared by impregnating in. wood charcoal granules with a hot solution of manganese carbonate in aqueous phosphoric acid and drying at 200-250‹C. ; (2) and (3) a similar mixture but without the triethyl phosphate is passed through a unit comprising 4 or 5 vertical reactors, connected'by interstage preheating coils and each containing a bed of the same catalyst having a temperature near the bottom of the bed of 275-280‹C. ; (4) 91 per cent. aqueous isopropyl alcohol containing .035 per cent. triethyl phosphate is preheated to 250‹C. and passed through the same catalyst at 200-220‹C. to yield propylene. Specifications 317,500 and 326,185, [both in Class 2 (iii)], are referred to.
Patent GB-786356-A (GB)
Title: Improvements in the manufacture of polytetramethylene terephthalate
Inventor: BURTON WILLIAM ROBERT
IPC: C08G63/85
Filed: 1955-02-23
Abstract: Polytetramethylene terephthalate is made by polycondensing bis - (delta - hydroxy n-butyl) terephthalate in presence of litharge. The bis-(delta-hydroxy n-butyl) terephthalate may be made by effecting ester-interchange between a dialkyl terephthalate and 1.4-butane diol and litharge may also be used as the ester-interchange catalyst. Zinc acetate may be used as an additional ester-interchange catalyst and zinc oxide as an additional polycondensation catalyst.  Titanium dioxide may be added prior to the polycondensation to effect delustring of the resulting polymer.  Subject-matter in Specification 765,597 is disclaimed.  Specification 765,597 is referred to.
Patent GB-945227-A (GB)
Title: Process for making hard surfacing material
IPC: C22C1/10
Filed: 1962-02-13
Abstract: In a process of forming a hard surfacing material comprising cemented hard metal carbide particles bonded by a metallic matrix, the cemented carbide particles are heated to an infiltrating temperature of 1750-2500  DEG F., and <PICT:0945227/C3/1> infiltrated with the metal matrix which is separately heated to this temperature, the infiltrated mass being rapidly cooled to below the melting temperature of the metal matrix.  The process may be used for forming hard surfaced drill bits and tools and as shown in Fig. 1 a tool 16 is supported in a graphite mould 14 and cemented carbide particles 17 are packed around the surface of the tool.  The infiltrant matrix is melted in crucible 15 and after the particles 17 have attained the required temperature the infiltrant metal is poured into the mould 14.  The mould and infiltrated mass is then chilled by air or water to 1500-1600  DEG F. and then slowly cooled to ambient temperature. The cemented carbide particles specified are WC + 1-25% Co and mixed carbides of W, Ti, Ta and Nb with Fe and Ni in addition to the Co. The particle sizes range from 0.045-0.4 inches and minus 100 mesh tungsten carbide powder and 5-35% of Ni powder may also be mixed with the cemented carbide particles. Diamond powder may also be added to the mixture.  The metal matrix infiltrant may be one of the following alloys: Cu-Ni; Cu-Ni-Sn; Cu-Ni-Fe; Fe-Ni-C; Cu-Co-Sn; Cu-Ni-Fe-Sn; Cu-Ni-Mn; which have a melting point of 1550-2400  DEG F.
Patent GB-429641-A (GB)
Title: Improved manufacture of electric motors with fluid-tight windings
IPC: H02K15/12
Filed: 1934-02-19
Abstract: 429,641. Insulation for dynamo - electric machines. SIGMUND, J., and SIGMUND, F., (trading as SIGMUND PUMPY BRATRI SIGMUNDOVE), Lutin, near Olomouc, Czecho Slovakia. Feb. 19, 1934, No. 5441. Convention date, Feb. 20, 1933. [Class 35] A stator is wound after inserting insulation in strip or tubular form into the slots and the winding is rendered liquid-tight by vulcanizing rubber to form a common envelope for the ends of the windings, the envelope being united during the process with the slot insulation. In the form shown, the slot portions 8 are contained in tubes 7 and the end portions 3, 4, 5 are bound with insulation 14. A stack of rings of crude rubber is then placed at the end of the core and a mould 27 is employed to unite the rings to form the block 26 and to combine the latter with the slot insulation which is vulcanized at the same time. When the slot insulation is in the form of strips, the strip edges are pressed together by wedges 34 forced into the slot mouths by the cone 29. Specification 407,515 is referred to.
Patent GB-371311-A (GB)
Title: Improvements in or relating to sliding windows
IPC: B61D25/00
Filed: 1931-08-19
Abstract: 371,311. Window stops. PETERS & CO., Ltd., G. D. and RILEY, A. C., Windsor Works, Slough, Buckinghamshire. Aug. 19, 1931, No. 5557/32. Divided application. [Class 20 (iii).] A sliding window particularly for vehicles has a movable stop 7 limiting the closing movement of one sliding sash and adapted to hinge away to permit an additional movement to uncover the full surface of both sashes for cleaning. The stop may consist of a rubber block 7 secured to a hinged finger-piece 11. A spring friction washer may be provided on the hinge pin.
Patent GB-194688-A (GB)
Title: Improvements in rotary type roasting furnaces and in temperature controlling means therefor
IPC: F27B7/00
Filed: 1923-02-26
Abstract: 194,688. Zalocostas, D. G., (Assignee of Sheet Metal Workers, Ltd.). March 9, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Liquid-seal devices for relieving pressure. - An apparatus for controlling the gas supply to a rotary furnace comprises a blower 114, Fig. 9, delivering to the innermost chamber 111 of a three-compartment liquid-containing tank, the middle chamber 116 of which is connected to the intake of the blower by the pipe 117, and the outermost 109 to the blower 107 through the three-way valve 106. In normal working conditions the valve 106 is closed, and the pressure of the gas supply is determined by the normal liquid-level in the tank, any surplus gas being returned to the blower through the compartment 116. When the temperature falls below a predetermined point, the valve 106 is operated through the lever 101 and link 103 to connect the compartment 109 to the blower 107, thus increasing the supply-pressure of the gas. On excessive rise of temperature, the valve 106 connects the compartment 109 to the atmosphere and reduces the pressure.
Patent GB-925950-A (GB)
Title: Improvements in and relating to vacuum producing equipment
Inventor: ARROWSMITH RICHARD MICHAEL
IPC: F04F5/54
Filed: 1961-02-15
Abstract: 925,950. Ejectors. HICK, HARGREAVES & CO. Ltd. Feb. 15, 1962 [Feb. 15, 1961], No. 5582/61. Class 71. Vacuum producing equipment comprises an atmospheric air-operated ejector 10, having a suction inlet 14, arranged to discharge into the suction inlet 15 of a liquid-operated jet ejector. Water or other liquid passing through nozzle 1 entrains air through suction inlet 15, the discharge from the diffuser 3 having a liquid seal in tank 5. Air being drawn through ejector 10 causes atmospheric air to enter at high speed through nozzle 8 which creates a vacuum in the chamber connected at 14. The liquid is re-circulated by lift pumps 17 and cold make-up water is supplied at inlet 18. The seal tank has an overflow 6. Two or more atmospheric air operated ejectors may be arranged in series.
Patent GB-416267-A (GB)
Title: Improvements relating to advertising devices having one or more moving parts
IPC: G09F11/34
Filed: 1934-02-20
Abstract: 416,267. Momentum power - storing apparatus. PEACOCK, W. A., c/o Peacock & Sons, Haymarket Lane, Newcastle-on-Tyne. Feb. 20, 1934, No. 5638. [Class 10.] An electromagnetically actuated pendulum a has impulses imparted to it only when its amplitude falls below a predetermined amount. The pendulum is pivoted at band carries a freely suspended pawl k adapted to coact with a grooved tooth m mounted on a spring n fixed at n<1>, supported at q, and carrying a contact r mating with an adjustable contact s. When the pendulum makes full swings, the pawl k sweeps ineffectively over the tooth m, but when the amplitude falls to a certain limit the pawl catches in the tooth and depresses the spring n to make contact at r, s. The circuit through the electromagnet h and a dry battery u is thus made, and the full swing restored to the pendulum.
Patent GB-397844-A (GB)
Title: Process for the reduction of alkaline earth metals and the production of alloys of aluminium
IPC: C22C1/02
Filed: 1932-02-25
Abstract: Aluminium alloys, containing for example an alkaline earth metal or silicon, are made by heating below the surface of a molten bath of aluminium an oxygen-containing compound, other than a sulphate or an oxy-halide, of an element to be alloyed with aluminium.  The dross which forms may be fused with an alkali halide such as sodium chloride or cryolite whereby aluminium is recovered and sodium for example is liberated, some of which may be recovered as oxide fume and some is deposited in a secondary dross.  By lixiviating the melt after separation of the recovered aluminium, ammonia is liberated from the nitrides present, and may p  be collected.  The production of aluminium alloys containing (1) 10 per cent of calcium; (2) 15 per cent of barium; (3) 22 per cent of strontium; (4) beryllium; (5) silicon; (6) magnesium and silicon; (7) manganese and silicon, is referred to.  When aluminium silicate is used substantially pure aluminium oxide is also obtained, and by employing beryllium aluminium silicate a mixture of beryllium and aluminium oxides remains in the dross.ALSO:Aluminium alloys, containing for example an alkaline earth metal or silicon, are made by heating below the surface of a molten bath of aluminium an oxygen-containing compound, other than a sulphate or an oxy-halide, of an element to be alloyed with aluminium.  The dross which forms may be fused with an alkali halide such as sodium chloride or cryolite whereby aluminium is recovered and sodium for example is liberated of which some may be recovered as oxide fume and some is deposited in a secondary dross. The secondary dross may be treated with caustic soda solution for the recovery of the contained aluminium.  By lixiviating the melt after separation of the recovered aluminium, ammonia is liberated from the nitrides present, and may be collected.  The production of aluminium alloys containing (1) 10 per cent of calcium; (2) 15 per cent of barium; (3) 22 per cent of strontium; (4) beryllium; (5) silicon; (6) magnesium and silicon; (7) manganese and silicon, is referred to, substantially pure aluminium oxide being also obtained.  A magnesium-aluminium alloy may be produced indirectly by first making a calcium-aluminium alloy according to the above process and treating this with molten magnesium chloride whereupon magnesium replaces calcium in the alloy.
Patent GB-211005-A (GB)
Title: Process for precipitating or recovering metals from their solutions
IPC: C01G5/00
Filed: 1923-02-27
Abstract: 211,005. Bardt, H. Feb. 27, 1923. Addition to 194,339. Precipitating.-Metals such as silver, mercury and gold are separated from their solutions at normal pressure bv means of a precipitating- agent obtained by the treatment at 100-150‹ C. of substances containing polysaccharides, such as wood, straw, molasses, peat, waste sulphite liquors, &c., with dilute acids, or salts such as alkali or alkaline earth salts, or sulphates or chlorides of zinc, manganese, aluminium or magnesium. The wood &c. may be again treated at higher temperatures, the solutions and also the carbonized residues formed being used as precipitants. The whole of the carbonized mass may be used as a filtering medium for the solution and precipitated metal, or the finer parts may be separately mixed with the precipitated solution and the mixture filtered through the coarser portions.
Patent GB-677655-A (GB)
Title: Improvements in spray controlling means for spraying apparatus
IPC: A01M7/00
Filed: 1950-03-07
Abstract: 677,655. Crop sprayers. ALLMAN, E. W. J., and ALLMAN PATENTS, Ltd. March 2, 1951 [March 7, 1950], No. 5785/50. Class 69 (iii). A control unit for regulating the supply of spraying liquid to one or more spraying booms comprises a casing fitted with a main control cock 2 controlling liquid flow to a spray boom selector cock 3, and a return tube 5 arranged so that when spraying is stopped the liquid can be returned to its tank and thereby draining the booms at the same time to prevent dripping. Fig. 4 shows the cocks in the spraying position, liquid pumped through a tube 4 passing through passages in the casing and cocks to separate boom delivery tubes 7 and 8. A spring- controlled relief valve 34 returns liquid through a passage 33, a venturi nozzle 32 and the tube 5 to the liquid tank. Fig. 5 shows the cocks in the "off" position, when liquid passes through the return passage and venturi nozzle and draws liquid from the spray boom delivery tubes. The cocks are controlled by handles 9 and 10, and a passage 28 communicates with a pressure gauge. Specification 677,654 is referred to.
Patent GB-1359553-A (GB)
Title: Colouration process
IPC: D06P1/90
Filed: 1971-03-02
Abstract: 1359553 Dyeing synthetic materials IMPERIAL CHEMICAL INDUSTRIES Ltd 22 Feb 1972 [2 March 1971] 5794/71 Heading D1B Synthetic textile materials e.g. aromatic polyester, polyamide and cellulose triacetate are dyed with dyes of formula: in which X<SP>1</SP> and X<SP>2</SP> are each hydrogen, chlorine, bromine, nitro or cyano, Z is hydrogen, lower (C 1-4 ) alkyl or lower alkoxy, Y is an acylamino group, in a halogenated hydrocarbon at 60‹ to 170‹C preferably in the presence of 0.2 to 5% (based on the volume of halogenated hydrocarbon) of water. The dyestuff dispersion may be obtained by milling in the presence of a deflocculating agent e.g. a polyurea, the preferred halogenated hydrocarbon being perchloroethylene. The dyed material may be treated in a cleaning bath comprising an emulsion of an aqueous alkaline solution of sodium hydrosulphite in perchloroethylene.
Patent GB-630028-A (GB)
Title: Method of making and assembling a stem for vacuum tubes
IPC: H01J9/32
Filed: 1947-02-28
Abstract: 630,028. Metal-to-glass seals. STANDARD TELEPHONES & CABLES, Ltd. Feb. 28, 1947, No. 5835. Convention date, May 12, 1945. [Class 36] A stem for vacuum-tubes, Fig. 1, comprising beaded leads 1 fused in a glass disc 4 are produced by surrounding the beads 2 with small glass tubes 3, Fig. 6, assembling the leads in spaced parallel position, fusing the tubes to form the disc 4 integrated with the beads, Fig. 3, assembling a large-diameter glass tube 5, Fig. 1, over the grouped leads, and fusing the tube 5 in the zone of the beads to consolidate the collapsed tube into union with the disc 4. Fig. 8 shows a mould for shaping the disc from the melted tubes 3. The collapse of the tube 5 around the disc may be assisted by an axial pull on one end of the tube.