baber/WOPTO huggingface dataset:
Patent GB-831094-A (GB)
Title: Improved fluid pressure regulator valve
Inventor: MILNER ERIC
IPC: G05D16/10
Filed: 1956-11-14
Abstract: 831,094. Fluid-actuated valves. MARTONAIR Ltd. Nov. 11, 1957 [Nov. 14, 1956], No. 34749/56. Class 135. A valve which is self-adjusting in response to variations of pressure difference between an inlet 15 and an outlet 16 caused by changes of load on a fluid-pressure driven apparatus 23, e.g. apparatus for raising a platform pneumatically, comprises a disc 19 loaded by an adjustable spring 21 and slidable on a spindle 18 fixed to the base 17 of a housing 14 to vary the flow passage between its periphery and a tapered bore in the housing. The Provisional Specification describes an arrangement in which a central orifice in a spring-loaded piston coacts with a fixed, tapered needle. Specification 746,678 is referred to.
Patent GB-605429-A (GB)
Title: Improvements connected with oil lamps
IPC: F21V37/00
Filed: 1945-12-22
Abstract: 605,429. Oil lamps. RAMBOLL, T. N. Dec. 22, 1945, No. 34858. Convention date, Dec. 4, 1940. [Classes 75(i) and 75(iv)] In an oil lamp the suction produced by the burner wick 7 arranged in an auxiliary fuel container 4 causes fuel to flow upwardly past a non- return valve 12 through a pipe 11 extending nearly to the bottom of a main fuel container 2. Alternatively the pipe 11 may be connected to the top of the container 4 or extend to the top and be bent for connection to the bottom of the container 4, the valve 12 being dispensed with. The main container 2 may enclose the container 4 and be enclosed in a candlelike housing 1.
Patent GB-897075-A (GB)
Title: Roof seaming machine
IPC: B21D39/02
Filed: 1960-10-12
Abstract: 897,075. Seaming; angular bending. GRONLUND, S. O. Oct. 12, 1960 [Oct. 20, 1959]. No. 34943/60. Class 83 (4). A roof-seaming machine for forming standing seams comprising a carriage provided with pairwise arranged rolls which successively perform the seaming operation, at least one of the folding rolls being adapted to be swung outboard against spring action relative to the counter roll is characterized in that the swing- able folding roll is mounted on one end of a shaft the other end of which is provided with a support roll in engagement with a support roll on a shaft for the counter roll of the pair. The carriage comprises a frame 1 mounted on wheels 3. On the lower side of the carriage there are four pairs of folding and counter rolls 6a, 6b, 7a, 7b, 8a, 8b and 9a, 9b respectively. The folding rolls are carried by swingable shafts 10 and the counter rolls by non-displaceable shafts 11. Two edge-folding rolls 6c and 7c are mounted on transverse shafts 12 and 14 respectively. The shaft 12 is journalled on the frame 1 but the shaft 14 is mounted on a spring-loaded arm 16 pivoted in the frame 1. Keyed on to the upper end of each shaft 10 and 11 is a gear-wheel 23. The shafts are driven through intermediate gear-wheels 25 by a pinion 24 on a drive shaft 5 extending through the cover 4 of the carriage. Each shaft 10 and 11 is provided with a support roll 26 the continual engagement of which prevent the gear teeth of gear-wheels 23 from getting wedged when the folding roll moves outwards away from the counter roll. The shaft 10 of each folding roll 6a and 9a is mounted on a laterally displaceable spring-loaded sleeve 29. In operation, the machine is placed at one end of the upstanding flanges 40, 41 of the roofing sheets 42, 43 and moved along the flanges such that the flanges pass between the roll pairs which are kept in firm engagement with the flanges by the springs 30. The projecting portion 45 of the flange 40 is first folded over the flange 41 by the conical folding roller 6c, Fig. 3, then further folded by the roll 7c, turned downwardly by the conical roll 8a and finally folded inwardly against the flange 41 by the last roll pair 9a, 9b. The axes of the shafts 10 and 11 are inclined towards the sheets to counteract reaction forces tending to push the carriage upwards away from the sheets during the seaming operation. The single seam shown in Fig. 6 may be folded again by the machine to make a double seam.
Patent GB-1505862-A (GB)
Title: Cementitious compositions and methods of making them
IPC: C04B28/22
Filed: 1975-03-01
Abstract: 1505862 Cementitious compositions IU TECHNOLOGY CORP 1 March 1975 35004/74 Divided out of 1505861 Heading C1H A cementitious hardenable composition comprises a slurry plus an additive, the slurry comprising a water suspension of 30 to 90% solids, the solids comprising 0À25-70 wt. per cent alkaline earth metal hydroxide, 10-99À5 wt. per cent fly ash and 0À25-70 wt. per cent alkaline earth metal sulphite, the additive being at least one of:- Portland or high alumina cement, BOF slag, bottom ash, coal mine tailings, alum waste or red mud. The slurry is produced by treating SO 2 - containing stack gases with lime or limestone, with addition of additional alkaline earth metal material if required, e.g. waste lime, partially calcined lime, lime kiln dust, cement and kiln dust.
Patent GB-899784-A (GB)
Title: Chemical compositions
IPC: C08F220/12
Filed: 1960-10-13
Abstract: A natural or synthetic lubricating or hydraulic oil contains from 0,01 to 10% of a copolymer of from 70-99% of an acrylate of formula CH2=CR1-COOR2 (where R1 is hydrogen or alkyl, and R2 is the hydrocarbon residue of a saturated straight or branch chained alcohol with at least eight carbon atoms) and 1 to 30% of an N-vinyl imide of a saturated dicarboxylic acid (cf. Group IV(a)).  It is preferred that 0,5 to 5% of the copolymer is used and that it is added as a solution in mineral oil.  The lubricating or hydraulic oil may also contain antioxidants, corrosion inhibitors, solubility improvers and/or pour-point depressors.  Specifications 668,539, 759,517 and 760,554 are referred to.ALSO:An oil-soluble copolymer is formed from 70 to 99% of an acrylate of general formula CH2=CR1-COOR2 where R1 is hydrogen or alkyl and R2 the hydrocarbon residue of a saturated straight or branch chained alcohol with at least eight carbon atoms, and 1 to 30% of an N-vinyl imide of a saturated dicarboxylic acid. Specified imides are N-vinyl succinimide, N-(a -methyl-vinyl) succinimide, N-vinylphthalimide and N-vinyl-glutarimide while stearyl methacrylate is the specified acrylate.  A third comonomer, e.g. methyl methacrylate, acrylic and methacrylic acid amide, acrylonitrile, styrene, vinyl acetate, maleic acid esters, dialkylamino acrylates and methacrylates, vinyl pyridine, alkylated vinyl pyridines, and, preferably butyl methacrylate, may be present in minor (e.g. up to 15%) proportions.  A solvent, e.g. mineral oil may be present while alpha, alpha-azodiisobutyric acid dinitrile or tertiary butyl perbenzoate may be used as the catalyst. Specifications 668,539, 759,517 and 760,554 are referred to.
Patent GB-848723-A (GB)
Title: Improvements in and relating to fuel elements for nuclear reactors
Inventor: BOWDEN ANDREW THOMSON
IPC: G21C3/04
Filed: 1957-11-12
Abstract: 848,723. Nuclear reactors. PARSONS & CO. Ltd., C. A. Oct. 20, 1958 [Nov. 12, 1957], No. 35185/57. Class 39(4). [Also in Group XXII] A fuel element for a nuclear reactor comprising solid nuclear fuel 2 housed in a container 1, the fuel being provided with a plurality of spaced recesses or grooves 3 extending over its length into which the material of the container can be caused to merge by the application of pressure, is characterised in that the recesses or grooves are more closely spaced at the ends of the fuel. It is explained that this reduces the liability of the container to shear as a result of stresses caused by differential expansion.
Patent GB-155284-A (GB)
Title: Improvements relating to the production of yeast
IPC: C12N1/16
Filed: 1920-12-15
Abstract: 155,284. Verein der Spiritus-Fabrikanten in Deutschland. March 31, 1915, [Convention date]. Addition to 155,281. Yeast.-In processes for the production of yeast in which the nutrient material is consumed as fast as it is supplied, such as those described in the parent Specification and in Specification 155,285, the yeast is withdrawn continuously. A high narrow vat is employed, and below the air supply arrangements is an adjustable opening leading to a centrifugal separator. When the vat is full the outlet is opened to such an extent that the liquid containing yeast is withdrawn as fast as the nutrient material is supplied,
Patent GB-412861-A (GB)
Title: An improved process for preparing the fibrous material in cotton spinning
IPC: B67C3/30
Filed: 1933-12-15
Abstract: 412,861. Preparing cotton for spinning. VOHS, N., 8, Kaiserstrasse, Munchen, and GILLJAM, H. K. J., 19, Wilhelm Straterstrasse, Rheydt, both in Gladbach, Rhineland, Germany. Dec. 15, 1933, No. 35309. Convention date, Dec. 15, 1932. [Classes 120 (i) and 120 (iii).] In preparing cotton for spinning the loose material from the cleaning machines is delivered by the automatic weighing device of a hopper feeder 9 on to the feed apron of a preliminary carding machine 10 of about double the working width of a flat card, and comprising a cylinder 1, feed rollers 5, a lickerin, working rollers 2, a cleaning roller 4 and a doffer 3, the web 11 produced thereon being divided and the slivers coiled in cans 12 or wound into cheeses. A number of these slivers, e.g., twelve, are united on a sliver lap machine 13 to form a lap 14, a number e.g. four of which may be fed together to the flat card 15. Six slivers 16 may be fed together to the drawing frame.
Patent GB-467596-A (GB)
Title: Improvements in or relating to electric remote position-indicating apparatus
IPC: G08B5/22
Filed: 1935-12-20
Abstract: 467,596. Electric signalling systems. ELLIOTT BROS. (LONDON), Ltd., and HAWKES, H. D. Dec. 20, 1935, No. 35325. [Class 40 (i)] A potential-dividing device at a remote point alters the flow in two coils of an induction instrument, such as that described in Specification 375,011, [Group XXXVI], which takes up a position determined by the flow in the two coils. A brake holds the instrument when the current is switched off. The coil 6 of the central magnet 3 is connected directly across the supply 7, 7 whilst the coils 8 and 9 of the magnets 4 and 5 are connected to the contact 11 of the potentiometer 10. If the contact 11 is moved, the discs 1, 2 turn until a new position of equilibrium is reached. The magnet 17 holds the brake 15 off the disc 2 so long as current flows to the coil 6, the current to the magnet being rectified by bridge 18. When the current is switched off the magnet 17 releases and the brake 15 holds the instrument against movement.
Patent GB-322100-A (GB)
Title: Improved method of and apparatus for separating solids from liquids
IPC: B01D21/00
Filed: 1928-12-01
Abstract: 322,100. Schustoff, A. Dec. 1, 1928. Separating by gravity. - An improved method of, and apparatus for, separating solids from liquids as in the purification of starch and other materials, the washing of ores and the like in a continuous operation, employ moving flooding troughs consisting of endless bands a', Fig. 1, travelling in the opposite direction to the flow of the mixture, so as constantly to convey the precipitated material from the point of settling to the point of discharge e<1>. A number of endless bands a<1>, a<2>, a<3>, Fig. 1, are arranged under distributing hoppers one under the other. The bands are composed of flexible elastic material such as sheet rubber, webbing or the like, and pass in the direction of the arrows over guiding and driving rollers b, b<1>, the upper section of the band being supported on rollers c. Each band is trough-shaped in cross-section, which form may be obtained by providing raised edges on the band, but the edges k<1>, Fig. 3, may be independent of the bottom of the band and may pass over separate guide rollers l. In the case with heavy materials such as clay, the rollers may be double tapered in cross section or accommodate a sagging belt. The bands a<1> &c. slope away from the distributing hopper to allow a sufficient fall to the liquid. A collecting device may comprise a scraper e<1>, or a brush, or the endless band may pass over a roller g, Fig. 6, to discharge into liquid h. When several endless bands are used as in Fig. 1, alternate bands slope in opposite directions, and distributing hoppers are disposed alternately at opposite ends of the bands, so as to catch the overflow from the band above. Details of width and velocity of bands for a starch suspension are given.
Patent GB-457081-A (GB)
Title: Improvements in or relating to safety paper and methods of producing the same
IPC: D21H21/46
Filed: 1935-12-21
Abstract: 457,081. Safety-paper; inks; printing. STEVENS, A. H., 5, Quality Court, Chancery Lane, London.-(Todd Co., Inc.; Rochester, New York, U.S.A.) Dec. 21, 1935, No. 35450. [Class 96] [See also Groups XV and XVI] Safety-paper for cheques &c. is moistened by passing one or more times through a bath 25 of water which may contain dye, size, &c. and expressing excess by rollers 14, 15 and 17, 18, a warning is printed on using a water-miscible ink, the paper being then dried, and finished at 27 &c., the warning being normally invisible but giving colour reactions with chemical eradicators. The ink may contain diphenol and diphenylguanidine &c. or 1, 3, 5, aminomethylchlorobenzothiazole or its sulphate, hydrochloride, &c., e.g. with gum arabic in glycerine or as a varnish with turkey red oil &c. The paper may be printed, using an oscillating roll 23 and wound moist to allow the ink to penetrate.
Patent GB-619293-A (GB)
Title: Improvements in vehicle brake adjusters
IPC: G05G1/00
Filed: 1946-11-30
Abstract: 619,293. Brake adjuster. BRACEWELL, G. A. Nov. 30, 1946, No. 35550. [Class 103 (i)] An adjuster for vehicle brakes has a hooked arm carried by the brake lever and arranged to co-act on the forward and return stroke of the lever with a complementary member to cause a fixed amount of adjustment of the brakes, the maximum adjustment obtainable as the result of expansion of the brake drum being insufficient to cause binding when the drum contracts. An extension of the brake rigging comprises a right and left-hand turnbuckle 18 connected to the operating lever 1 and provided with a free wheel device 17 actuated by links 12, 15 and bell-crank levers 11, 13 of which lever 11 is pivoted to a fixed rack 5 and is provided with a hooked end 10. In normal operation detent 4, pivoted to lever 1, engages the third notch of rack 5 in the " on " position, but should wear or heating of the brakes cause it to be moved to, or beyond, the fourth notch, the claw end of lever 8, pivoted to lever 1, rides over hook 10 and on the return movement of arm 1 carries lever 11 with it to actuate the associated adjusting device 17 until projection 22 of arm 8 rides on to ramp 23, thus releasing hook 10 and permitting the free-wheel and linkage to return, under the action of a spring, to the original position.
Patent GB-178504-A (GB)
Title: Improvements in or relating to rabbles for low temperature coal-distillation purposes or other purposes where a like movement of the material is required
IPC: C10B7/00
Filed: 1920-12-20
Abstract: 178,504. Barrs, E. Dec. 20, 1920. Ratchet conveyers.-A reciprocating rabble for feeding material along the floor of a chamber of the kind comprising a plurality of grids fixed one behind the other is arranged to traverse a lower track for the greater part of its forward movement and an upper track for the whole of the return stroke. Fig. 1 shows the invention applied to a furnace for the low temperature distillation of coal, the coal being fed from a hopper B. The rabble C comprises a frame carrying a number of perforated depending grids C<2> and supported by rollers C<1> which run on upper and lower flanges D<1>, D<2> formed on guide members D, Fig. 7, disposed along each side of the furnace A. The upper flange D' is formed with gaps D<3>, D<4>, and a ramp E is provided rising from the lower to the upper flange in each gap D<3> and extending above the level of the upper flange. Sliding on the member D is an L-shaped shunt plate F, Fig. 6, having lateral projections F<1>, F<2>, the former lying flush with the bottom of the plate F and having undercut forward ends F<1*> and bevelled rear ends. In the position shown. the rabble is at the limit of its forward movement, the rollers C' being in contact with the stop F<2> and the projections F<1> forming bridge pieces over the gaps D<3>. On the rearward stroke of the rabble the rollers pass along the tops of the ramps E and over the bridge pieces F on to the upper track D<1> and coming into contact with the stops F<2> force the shunt plate F back until they reach the gaps D<4> through which they drop to the lower track D<2>. The gaps D<3> are now open, and on the forward stroke the rollers pass from the lower to the upper track by means of the ramp E, the shunt plate being carried forward to its initial position by contact of the rollers with the stops F<2>. A stop H' on the member D co-operates with a gap H in the bottom web of the plate F and prevents the latter from becoming displaced, and the rabble is counterbalanced so that it does not drop too heavily on the lower track. At its rear end the rabble carries three sets of raking fingers J, J<1>, J<2> placed successively further to the rear and at higher levels, and two pack breakers J<3> having hooked ends J' are provided to prevent coal packing in the hopper B.
Patent GB-779324-A (GB)
Title: Production of phthalocyanine vat dyes
IPC: D06P1/26
Filed: 1955-12-13
Abstract: The invention comprises a colouring composition comprising a mixture of a cobalt phthalocyanine and an acidylaminomethylated cobalt phthalocyanine, the average composition of the mixture corresponding to one of the following formul , or in part to one, and in part to the other: <FORM:0779324/IV(b)/1> and <FORM:0779324/IV(b)/2> wherein CoPc is the radical of cobalt phthalocyanine or chlorinated cobalt phthalocyanine, R is a 1.2 - divalent organic radical, and n has a value of 0.1 to 0.8.  The compositions dye wool, cotton, and synthetic polymeric materials from an alkaline vat and may be made by reacting a cobalt phthalocyanine with (1) a 1.2 - dicarboxylic acid (N - methylol) imide of the formula: <FORM:0779324/IV(b)/3> or (2) a mixture of the corresponding 1. 2 - dicarboxlic imide and formaldehyde or a formaldehyde - producing compound, or (3) a 1.2 - dicarboxylic acid mono (N - methylol) amide of the formula: <FORM:0779324/IV(b)/4> This reaction is carried out in sulphuric acid at 70-100 DEG C., and the product may be mixed with cobalt phthalocyanine if that is necessary to bring n within the required value.  1.2 - dicarboxylic acid imides specified are succinimide, glutarimide, b  b -dimethyl glutarimide, a  a 1-dimethyl succinimide, maleic imide, methyl maleic imide, phenyl succinimide, phthalimide, or hydrogenated, halogenated, nitrated, or amidated phthalimides. Examples describe the preparation of mixtures by reaction of cobalt phthalocyanine and of its monochloro derivative with varying proportions of N-hydroxymethyl phthalimide and also the chlorination of such a mixture with thionyl chloride in aluminium chloride. Further examples describe the vat dyeing of cotton and wool with mixtures as above.
Patent GB-1055287-A (GB)
Title: Improvements in and relating to polyesters
IPC: C08G73/16
Filed: 1963-09-11
Abstract: A process for the production of a polyester comprises esterifying an alcohol having at least two alcoholic hydroxyl groups per molecule with a dicarboxylic acid containing imido groups, of the formula <FORM:1055287/C3/1> in which the rings depicted are five-membered rings and in which Ag 1 and Ag 11 are aromatic radicals.  The polyesters may be cross-linked, specified cross-linking agents being alkyl and aryl titanates, oil-soluble salts of Al, Cr, Co, Cu, Fe, Mn, Ni, Sn, Ti, U, Zn, Cd, Pd and Ca, and polyisocyanates.  Specified polyols are hexanediol, dimethylol cyclohexane, quinitol, ethylene glycol, bis-(41-hydroxyethoxyphenyl)-2:2 - propane, 1:4 - di - (hydroxyethoxy)-benzene, pentaerythritol, glycerol, trimethylol propane and sorbitol.  Specified imido-containing dicarboxylic acids are those made by reacting anhydrides of aromatic tricarboxylic acids, e.g. trimellitic anhydride with diamines of the formula H2N-Ag 11-NH2.  In a modification of the process, the polyesters are made by reacting a mixture comprising an aromatic tricarboxylic acid anhydride, a diamine and a polyol.  Specified solvents for the polyesters are cresols, xylenols, diacetone alcohol and methoxyethyl acetate, optionally in admixture with aromatic hydrocarbons.ALSO:An electrical conductor has an insulating coating produced from a stoving varnish comprising a polyester made from a polyol and a dicarboxylic acid containing amido groups (see Division C3), a cross-linking agent for said polyester and a volatile organic solvent.  In Example 3, copper wires are stored with compositions composing polybutyl titanate, benzene, uresol and:- (A) and (B) a polyester derived from glycerol, ethylene glycol, dimethyl terephthate and the reaction product of trimellitic acid anhydride with 4:4\sv-diaminodiphenyl methane and (C) a polyester as in (A) and (B) but with the diamine replaced by 4:4\sv-diaminodiphenyl sulphone.
Patent GB-1355119-A (GB)
Title: Process for the preparation of amines
IPC: C07C211/09
Filed: 1971-07-30
Abstract: 1355119 Ether-amine preparation HENKEL & CIE GmbH 30 July 1971 [31 July 1970] 35857/71 Heading C2C Ether-amines and polyether-amines are prepared from secondary alcohols, which may comprise homologous mixtures obtained by the oxidation of paraffins, by a process comprising (1) alkoxylation in the presence of Lewis acids or salts thereof with alkylene oxides containing 2-4 C atoms, the molar ratio of alcohols to alkylene oxides being from 1 : 1 to 1 : 10; (2) sulphation of the alkoxylation mixtures and subsequent neutralization and (3) aminolysis of the neutralized sulphates. The catalysts for the alkoxylation step (1) are preferably BF 3 , SbCl 5  or tertiary oxonium salts, carboxonium salts or carbonium salts thereof. The secondary alcohols used as starting material preferably contain 3 to 24 C atoms. The aminolysis may be carried out with, for example, ammonia, aliphatic amines with 1-4 C atoms in the alkyl residues or primary α,#-diamines with 2-12 C atoms. In the examples, the alkoxylation product of 2 moles ethylene oxide and 1 mole secondary C 14  alcohols is sulphated and aminated with ammonia, methylamine, dimethylamine, propylamine and ethylenediamine and the alkoxylation products derived from octanol-2, C 14-15  alcohols, C 11-18  alcohols and cyclododecanol respectively are sulphated and then reacted with dimethylamine. The products of the process may be used as bonding substances for roadmaking materials, emulsifiers in polymerization processes and additives for lubricants.
Patent GB-389594-A (GB)
Title: Improvements in or relating to printing machines
IPC: B41G5/00
Filed: 1931-12-29
Abstract: 389,594. Coating webs. BAILEY, J. T. P., 3, Lawrence Hill, Bristol, HARRIS, H., 2, Evelyn Street, Deptford, London, and THRISSELL ENGINEERING CO., Ltd., Thrissell Street, Bristol. Dec. 29, 1931, No. 35883. Drawings to Specification. [Class 140.] A machine for producing printed and waxed blanks for cartons, boxes, &c. is adapted to print a web of card or the like in one or more colours on one side, and then either to cut and score the web into blanks and pass them by means of a belt to a waxing-machine, or to pass this web on intact ; the web or blanks are coated on the unprinted side with wax, by means of a roller dipping into a container of melted wax, which roller may be engraved, or may comprise several narrow rollers so as to wax only selected portions of the web. The backing - roller of the waxing - machine is moistened with a fluid containing glycerine, gum, phosphoric acid, sodium nitrate, biphosphate of ammonia, and water to prevent setoff of the printed matter ; the roller has a grained surface to retain the fluid. The blanks may then be carried by a belt to a collecting- apparatus, or the web may be rewound, after passing round rollers to give it time to cool.