baber/WOPTO huggingface dataset:
Patent GB-956042-A (GB)
Title: Improvements in or relating to aircraft undercarriages
Inventor: SUTCLIFFE PETER LATHAM
IPC: B64C25/34
Filed: 1961-06-26
Abstract: 956,042. Aircraft undercarriages. HAWKER SIDDELEY AVIATION Ltd. March 22, 1962 [June 26, 1961], No. 23054/61. Heading B7G. An aircraft undercarriage has a pair of wheels 11, 13, which are side-by-side when the undercarriage is extended, and which retract so that one wheel 11 rises substantially in a vertical plane keeping parallel to itself, while the other wheel 13 simultaneously turns about a fore-andaft axis 16 into a stowed position 21 wherein it lies at an angle to the plane of the wheel 11. In Fig. 1, a jack 19 is operable to retract wheel 11 about a transverse axis 15, and simultaneous retraction of wheel 13 is effected by a link 18 ball jointed at one end to leg 12 of wheel 11 and at its other end to leg 14 of wheel 13. A fairing 23 closes the retraction aperture. By this means, deep wheel bays and blisters on the fuselage are avoided, even when large tyres are used for operation on unprepared airfield strips. A second pair of wheels is provided in tandem with the wheels shown, on each side of the fuselage.
Patent GB-579461-A (GB)
Title: Improvements in or relating to equipment for the wet finishing treatment of haberdashery, hosiery and like articles
IPC: D06B3/30
Filed: 1939-08-11
Abstract: Apparatus for treating hosiery &c. with liquids <PICT:0579461/IV/1> comprises a number of cages carried by an endless conveyer and passing into a bath, then into a drying shaft, and thence through a cooling zone to the starting point, the conveyer being arranged to pause at each stage.  The articles are charged into the cages at the station 1 I and pass into a bath 4 raised in consonance with the movement of the conveyer.  The cages then pass to a second bath and thence up a shaft 5 against a current of heated air.  At the top of the shaft they pass through doors 12 to the cooling zone A and downwards to the starting point.
Patent GB-756163-A (GB)
Title: Improvements in open hearth or siemens-martin furnaces
IPC: C21C5/04
Filed: 1953-08-24
Abstract: 756,163. Open-hearth furnaces. BOLSI, E. Aug. 24, 1953 [Aug. 22, 1952], No. 23224/53. Classes 51(1) and 51(2). In a reversible open-hearth or Siemens- Martin furnace, a burner delivers high calorific value fuel, e.g. coke oven gas, methane, or pulverized naphtha, at a relatively high pressure into a mixing and preliminary combustion chamber 4 disposed at each end of the furnace at the top of a primary air uptake 1. Preheated secondary air is fed over the flame issuing from the chamber 4 by air ports 10 supplied from uptakes 8. Air supplied from a fan through a duct 15 is divided into two separate streams controlled by valves 13 and 14 on the inlet side of reversing valves 12. The latter feed primary air through a regenerator 3 and a slag chamber 2 to the uptake 1, and secondary air through a regenerator 7 and slag chamber 9 to the uptakes 8. The upper parts of the uptakes 1 and 8, the chamber 4, and the air ports 10 are so constructed of silica brick as to be bodily removable for replacement purposes.
Patent GB-753102-A (GB)
Title: A method of and apparatus for the treatment of emulsions and viscous liquids
IPC: C10K1/00
Filed: 1954-08-10
Abstract: 753,102. Treating tar-water emulsions. KAGCHELLAND, D. M. J. Aug. 10, 1954, No. 23243/54. Class 55(2). Emulsions, particularly tarwater emulsions, are treated in a continuous manner by preheating the emulsion with steam and then thoroughly mixing the preheated emulsion with the steam. The water may be removed from a broken tar-water emulsion by centrifuging. In apparatus for carrying out the treatment the tar emulsion is fed through an inlet 1 into an elongated cylindrical treatment vessel 12 provided with baffles 4 and 5 adjacent the inlet 1 and staggered baffles 6 along its length. Steam is fed from a conduit 2 into a chamber 13 and impinges on the baffle 4, emulsion in contact with the baffle being thereby preheated. From the chamber 13 steam passes under the baffle 5 and mixes with the preheated emulsion, broken emulsion is withdrawn at 3. A chamber 11 serves to absorb pressure variations within the treatment vessel 12. In modified forms of the apparatus the baffles 6 may be in the form of sector-shaped plates, plates with circular openings, grids or be arranged as a continuous spiral member mounted on an axially arranged rod.
Patent GB-1018693-A (GB)
Title: Improvements relating to the reproduction of tape recordings
IPC: G11B20/20
Filed: 1964-06-04
Abstract: 1,018,693. Automatic phase control systems. MINNESOTA MINING & MANUFACTURING CO. June 4, 1964 [June 4, 1963], No. 23257/64. Heading H3A. In a tape playback system for multiple parallel recordings on the tape, each including a reference, e.g. sinewave, signal, each recorded channel has a playback head and all except possibly a master channel has a variable delay line in the path of the reproduced signals, whose delay is controlled by D.C. voltages derived from phase comparing the reference signals, so that relative phase errors between the reproduced channels are removed. The reference signals from each slave channel 6, 8, 20, 22 may be selected and amplified and after clipping to produce square waves and differentiation to produce pulses, the latter trigger a blocking oscillator 28 whose output pulses sample in a switch circuit 16 the instantaneous value of the leading or trailing edges of correspondingly produced square waves in the master channel 4, 8, 12, and these sampled values, integrated in a D.C. converter produce a D.C. voltage of magnitude and polarity controlling at least the delay line 20 in the slave channel 6, 18, 20, 22. Further, the D.C. converter 30 may oppositely control the delay of a delay line 10<SP>1</SP> in the master channel, through a D.C. voltage of opposite polarity, or of same polarity acting on an oppositely controlled type of delay line, to increase the control range. The D.C. from each slave channel may be applied through an amplifier valve to a delay line having variable ferro-electric shunt capacitors, or having series inductors wound on ferromagnetic cores, in each case the valve impedance altering the delay line terminal impedance so that it equals the required new characteristic impedance, but delay lines having variable capacitors and inductors respectively producing inverse delay changes.
Patent GB-334030-A (GB)
Title: Improvements in spinning artificial silk
IPC: D01F2/06
Filed: 1929-07-29
Abstract: 334,030. I. G. Farbenindustrie Akt.- Ges. Oct. 2, 1928, [Convention date]. Cellulose xanthates ; processes for making filaments.-Viscose made from unpurified alkalicellulose and containing an excess of alkali with respect to the content of cellulose, is made into artificial silk by spinning into baths containing sulphuric acid of not more than 47 per cent strength, and if desired with the addition of salts such as sodium sulphate, or organic substances. During spinning the threads may be subjected to a stretching operation. The non-matured viscose may be prepared in the usual manner, but it is preferable to exclude oxygen by working in an indifferent atmosphere such as nitrogen. The viscose may be used directly for spinning or after a short maturing. Th viscose may be spun with additions such as reducing agents, mordanting agents, mucilage, oxalates, lactates, silicates, sulphonic acids, and substances for producing matt or aerated silk. The increased alkali content of the viscose results in solutions of reduced viscosity, and in spinning there are fewer breakages. In an example viscose containing 5 per cent of cellulose and 6.5 per cent of alkali is spun at 50‹ C. into a spinning bath containing dilute sulphuric acid more or less saturated with sodium sulphate. Specifications 135,205, 184,449, 184,450, 198,654, 234,188, 234,433, and 274,521, are referred to.
Patent GB-218160-A (GB)
Title: Improvements in or relating to two-stroke cycle internal combustion engines
IPC: F02B25/00
Filed: 1923-09-18
Abstract: 218,160. Gruebler, F. Sept. 18, 1923. Regulating.-Air compressed in the crank case is supplied partly to scavenging-ports 6 and partly through ports 9 to an annular pump chamber 4, and the air compressed in the chamber 4 on the in-stroke is supplied to inlet ports 12 through a passage 22 fitted with a throttle valve 21 controlled by barometric pressure. The valve 21 is connected to a piston 24 acted on by atmospheric pressure on the upper side, and on the lower side by liquid subject to the constant pressure of a weight 27 or spring. The valve 21 may also be hand-controlled. Fuel is introduced by means of a nozzle 15 and supply pipe 16. A cam-actuated valve 14 controls the air admission to the ports 12. In a modification, the inlet ports 12 and valve 14 are arranged in the cylinder head. Further, the pump chamber 4 may draw air directly from the atmosphere, inetead of from the crank case.
Patent GB-615697-A (GB)
Title: New colouring matters of the azamethine series
IPC: C09B57/04
Filed: 1946-09-07
Abstract: Dichloro-3-iminophthalimidine is obtained by heating 3.4-dichlorophthalimide with urea in presence of ammonium vanadate. Nitro-iminophthalimidines are obtained by heating 4- or 3-nitro-phthalimide with urea in presence of ammonium vanadate. Methoxy-3-iminophthalimidine is obtained by reacting 4-methoxyphthalimide with ammonia to give 4-methoxyphthalimide, which is dehydrated with acetic anhydride to give 4-(or 5-) methoxy-2-cyano-benzamide which is isomerised to the iminophthalimidine by heating.  Imino-thiophthalimidine is obtained by passing hydrogen sulphide into a cold suspension of phthalonitrile in aqueous alcoholic sodium hydrogen sulphide.ALSO:Dyes are made by heating iminophthalimidine, thiophthalimide, or iminothiophthalimidine or a nuclear substitution product thereof (e.g. a methoxy-, chloro- or nitro-substitution product-see Group IV (b)) with an aromatic hydrazine or with an aromatic primary amine which contains in its molecular structure in addition to the amino group, a second amino group, or a substituted amino or hydrazino group, or a condensed ring attached to the aromatic nucleus, or a pendant ring attached through a linking group to the aromatic nucleus.  Amines or hydrazines specified are m-phenylene diamine, 4,41-diaminoazobenzene, 4,41-diaminostilbene, o-tolidine, 3,31-dichlorbenzidine, 5-chloro - a  - naphthylamine, 2-aminoanthracene, 2 - aminoanthraquinone, 1,4 - diaminoanthra - quinone, 3-aminocarbazole, copper-tetra-aminophthalocyanine, 2,4 - dinitrophenylhydrazine.  Solvents may be used, e.g. alcohol or acetic acid.  The products colour paper and polyvinyl chloride and dye cellulose acetate and nylon.  They may be sulphonated to give wool dyes.  In examples, iminophthalimidine is reacted with (1) dehydrothio-p-toluidine; (2) p-aminoazobenzene; (3) o-dianisidine hydrochloride; (4) p-phenylenediamine; (5) 2-aminobenzthiazole; (6) phenylhydrazine hydrochloride.  Also in examples: (7) dichloro-3-iminophthalimidine is reacted with benzidine; (8) nitro-iminophthalimidine is reacted with p-sulphophenylhydrazine or dehydrothio - p - toluidine; (9) methoxy-3-iminophthalimidine is reacted with o-dianisidine hydrochloride; (10) iminothiophalimidine is reacted with o-dianisidine hydrochloride; (11) thiophthalimide is reacted with phenylhydrazine.
Patent GB-862748-A (GB)
Title: A punch and die set
IPC: B21D28/14
Filed: 1957-07-24
Abstract: Segments of a die (see Group XXII) are formed by pressing a mixture of tungsten carbide and cobalt particles into a block of the required shape and sintering in a hydrogen atmosphere.
Patent GB-1099143-A (GB)
Title: Improvements in or relating to vapour vacuum pumps
Inventor: POWER BASIL DIXON
IPC: F04F9/00
Filed: 1964-06-08
Abstract: 1,099,143. Diffusion pumps. EDWARDS HIGH VACUUM INTERNATIONAL Ltd. May 20, 1965 [June 8, 1964], No.23624/64. Heading F1E. The boiler cover 8 in a diffusion pump is formed with cavities 10 covered by a tight-fitting tube 11. The fit of tube 11 is selected or vent holes are provided to place the cavities in restricted communication with either the interior region or exterior region of vapour tube 6. In modifications, Fig. 2 (not shown), the boiler cover is internally grooved and fitted with tube (11) internally or in Fig. 3 (not shown) on external tube (11) is formed with an internally extending shoulder (13) which is engaged between the vapour tube (6) and the boiler cover (8). In use the cavities become filled with vapour or condensed liquid and prevent excessive heat transfer between vapour inside the boiler and liquid in contact with its outside.
Patent GB-1215645-A (GB)
Title: Olefin polymer stabilization
IPC: C08K3/28
Filed: 1968-05-17
Abstract: 1,215,645. Stabilizing olefin polymers. PHILLIPS PETROLEUM CO. 17 May, 1968 [19 May, 1967], No. 23685/68. Heading C3P. An olefin polymer is stabilized against melt index or melt flow decrease by incorporating in the polymer from 0À005 to 0À3% by weight, based on the total weight of polymer and stabilizer, of one or more alkate metal nitrites. The polymer is e.g. a homopolymer of a C 2  to C 8 -l-olefin or a copolymer of two or more such olefins. One or more alkali metal bisulphites may also be incorporated in the polymer. In Example I polyethylene is blended with NaNO 2  or KNO 2 , NaHSO 3  (optional), 2,6-ditert-butyl-4-methylphenol and dilaurylthiodipropionate. NaNO 2  only is incorporated in polyethylene in Example II. In Examples III and IV NaNO 2  and NaHSO 2  are both added to polyethylene. The stabilized high density polyethylene produced in the last example in blended with a low density polyethylene.
Patent GB-302208-A (GB)
Title: Improvements in or relating to the treatment of fabrics
IPC: D06C29/00
Filed: 1927-09-12
Abstract: 302,208. British Celanese, Ltd., Ellis, G. H., Olpin, H. C., and Walker, E. E. Sept. 12, 1927. Liquids, treating with; designs, producing.- Ornamental effects are produced on pile fabrics having the pile composed of or comprising arti. ficial filaments of cellulose acetate or other cellulose derivative and a ground not composed of a cellulose derivative, by applying to selected portions of the back of the fabric a substance which will soften or weaken the cellulose derivative pile filaments, and then removing the loosened pile 'by mechanical treatment, e.g. brushing or suction. The substance used may be mixed with diluents, thickening agents, inert powders, or dyes, and may be applied by spraying, printing, &c. The fabric may be dyed before, after, or both before and after treatment. Specification 263,355 is referred to.
Patent GB-1383223-A (GB)
Title: Soluble protein
IPC: A23J1/04
Filed: 1972-05-22
Abstract: 1383223 Fish protein isolate NESTLE SA 15 May 1973 [22 May 1972] 23934/72 Heading C3H [Also in Division C6]  A fish protein isolate which contains less than 0À5% by dry weight of lipids and is water-soluble at all pH values, is prepared by subjecting a slurry of comminuted fish material to enzymatic treatment until less than 20% by weight of the protein present in the fish is precipitable at pH 4À5, undegraded proteins are then precipitated as by acidifying the slurry to a pH of 4À0-5À0 or by heating the slurry to a temperature above 70‹ C., e.g. at 90‹ C. for about 10 minutes, and insoluble matter (bones, solid proteins, lipoproteins and lipids) is separated from the slurry to provide a solution of fish protein isolate. In the case of raw whole fish, the enzymatic treatment may be effected with enzymes present in the fish. Commercially available proteolytic enzymes, e.g. bacterial protease or trypsin, active at pH 8 to 10 are introduced when eviscerated fish or filleting wastes are employed. The solution of fish protein isolate may be concentrated by ultrafiltration or thermal evaporation, deodorized by steam stripping or other specified conventional treatment, and spraydried. Examples describe the preparation of fish protein isolates from cod filleting wastes, whole anchoveta, cod heads and red fish filleting wastes, respectively.
Patent GB-279998-A (GB)
Title: Improved hand-grips for bicycles and the like
IPC: B62K21/26
Filed: 1926-09-29
Abstract: 279,998. Cresswell, J. J. Sept. 29, 1926. Handles.-Hand-grips for tennis rackets, golf clubs, &c., consist of a tube B of rubber or like compressible elastic material provided with an outer covering C of textile material such as linen, cotton, or artificial silk, woven or braided before application, or woven, braided, &c. on the elastic material the cover C being cut on the slant, or braided &c. with the threads arranged obliquely, and then stretched longitudinally and thereby contracted radially upon the hand-grip. The covering C is finally coated with a solution of celluloid, or other solution, varnish, enamel, &c. which is resistant to the heat, moisture, and grease of the hand. The tube B may be mounted upon a tube A of papier machÚ, thin metal, &c. The material C may be cut on the slant, seamed together, and stretched over the tube B, the ends being tucked into the tube A and secured by a ring D, plug E, &c. One or both ends of the covering C may alternatively be secured by binding with thread or wire.
Patent GB-1442909-A (GB)
Title: Apparatus for the continuous production of a chipboard fibreboard or like web
IPC: B30B3/04
Filed: 1974-05-30
Abstract: 1442909 Rolling apparatus HERMANN BERSTORFF MASCHINENBAU GmbH and BISON-WERKE BAHRE & GRETEN GmbH & CO KG 30 May 1974 [9 June 1973] 24048/74 Heading B5A Apparatus for the continuous production of a chipboard or fibreboard web includes a tensioned steel belt 10 forced by rollers 8, 5, 2, 3 towards a heated rotary drum 1 whereby web forming material sprinkled on to a horizontal portion of the belt by means 9 is pressed between the belt and drum; at least one of the rollers has a convex surface to produce a web having a substantially uniform thickness and weight over its width. Heating and/or cooling elements may be positioned longitudinally above and below the belt to control its expansion or contraction at its edges thereby varying the pressure imparted to and the thickness of the web at those edges. The drum and rollers may include elongated heating and/or cooling elements extending circumferentially, the temperature of which may be selectively controlled.
Patent GB-264423-A (GB)
Title: Improvements in and relating to automatic gas regulators
IPC: G05D16/06
Filed: 1926-09-29
Abstract: 264,423. Williams, G. A. Sept. 29, 1926. Pressure - regulating valves.-A gas governor of the type described in Specification 5028/11 having the inlet and outlet arranged horizontally has an adjustable throttling member arranged to control an inclined passage connecting the diaphragm chamber with the outlet. The valve member d' cooperates with a seat d' and is carried by a weighted diaphragm c clamped between two parts of the casing. The throttling member g has a coned end to more or less close the inclined passage h and has the outer end arranged in a flanged recess i whereby it may be sealed in its adjusted position.
Patent GB-736196-A (GB)
Title: Improvements relating to the recovery of lactams from reaction products obtained by a beckmann transformation of cyclic ketoximes
Filed: 1953-08-31
Abstract: Lactams are recovered from reaction mixtures obtained by a Beckmann transformation of cyclic ketoximes, subsequent neutralization, and removal of the water-containing lactam oil from the aqueous salt solution, by concentration of the lactam oil until its lactam content amounts to 80-90 per cent by weight, prior to extraction with an organic solvent.  The concentration process is preferably effected by evaporation under reduced pressure at a pH value of 5-8.  In an example, illustrated by a drawing of the apparatus, molten cyclohexanonoxime and concentrated sulphuric acid are fed into a Beckmann convertor, the product neutralized with aqueous ammonia, and the aqueous salt solution separated from the water-containing lactam oil, which is then evaporated in vacuo until the lactam concentration is 80 per cent, when it is extracted with benzene in a continuously operating 6-stage counter-current extraction battery to yield a 20 per cent benzene solution of caprolactam.
Patent GB-671431-A (GB)
Title: Improvements in or relating to means for securing the forme plates of rotary printing machines
IPC: B41F27/10
Filed: 1949-09-19
Abstract: 671,431. Printing surfaces. MASCHINENFABRIK AUGSBURG-NURNBERG AKT.-GES. Sept. 19, 1949 [Oct. 1, 1948], No. 24075/49. Class 100 (ii). In a retaining arrangement for securing forme plates 5 on the cylin-. der 1 of rotary printing machines in which the forme plates 5 are held at their curved lateral edges and additionally at their straight edges and the retaining devices 13, 13<SP>1</SP> and 2 for the straight and curved edges are clamped by the same tensioning arrangement, springs 8 or 8<SP>1</SP> for the transmission of the axial force are arranged between the clamping bars 2 for the curved edges, or the fixed middle bar 18 on the plate cylinder, and pressure members 10, 11, 11a bearing against the clamping bars 13, 13' for the straight edges of the forme plates 5. The clamps 2 are actuated through springs by a clamping ring 4 movable by means of an eccentric 3 and the curved edges of successive plates 5 are held by axially displaceable locking members 7 anchored in recesses 6 of the cylinder 1. The pressure members 10, 11, 11a have inclined edges which overlie inclined edges 12 on the clamping bars 13, 13<SP>1</SP> so that the pressure transmitted through the springs 8, 8<SP>1</SP> is transmitted to press the bars 13, 13<SP>1</SP> downwardly so that catch bars 15 on the bars 13, 13<SP>1</SP> bear on the plates 5 at their straight edges. On release of the clamping bars 2, the pressure members 10, 11, 11a are released and springs 14 between the bars 13, 13' and cylinder 1 raise the bars to release the straight edges, the spring 8 expanding on a guiding pin 9 retained on the pressure member 10 by a head 17.
Patent GB-894905-A (GB)
Title: Self-hardening water glass cement compositions
IPC: C08K3/013
Filed: 1958-07-25
Abstract: A self hardening composition comprises an inert inorganic filler, an aqueous water glass solution and a polymer or copolymer having a degree of polymerization of at least 5, and containing per monomeric unit an average of at least one acid group or carboxylic acid amide, ester, nitrile or anhydride group. Preferred acid groups are carboxylic, sulphonic, phosphoric, phosphonic and phosphorous. Specified monomers from which the polymers are derived are acrylic and methacrylic acid, acrylonitrile, styrene, vinyl chloride, vinyl esters, e.g. the acetate, proprionate, stearate and benzoate, vinyl ethers e.g. methyl, ethyl and butyl vinyl ether, and the following acids: crotonic, maleic, fumanic, itasonic, citraconic, aconitic, vinyl sulphonic and vinyl phosphonic.  The polymers may be obtained by homopolymerization of monomers containing the groups or by copolymerization of the monomers with e.g. unsaturated acids incapable of being polymerized alone.  A list of preferred polymers is given.  uartz is the specified filler.
Patent GB-1181744-A (GB)
Title: Anthraquinone Reactive Dyestuffs
Inventor: BIEN HANS SAMUEL
IPC: C09B62/06
Filed: 1968-05-21
Abstract: 1,181,744. Anthraquinone reactive dyestuffs. FARBENFABRIKEN BAYER A.G. 21 May, 1968 [2 June, 1967], No. 24187/68. Heading C4P. The invention comprises compounds of the formula in which R, R 1 , R 2 , R 4 , R 5 , R 6  and R 7  are H or a substituent, R 3  is a substituent, n is 0-2 and R 8  is an amino or hydroazino group or a hydrocarbon radical which may be linked via O, N or S and which may be substituted. The compounds may be prepared (1) by reacting together compounds of the formulae where X is an anionically splittable radical, (2) by reacting a compound of Formula I where R 8  is replaced by X with ammonia or a suitable amino, hydroxy or thio compound containing a reactive hydrogen atom or (3) by reacting a compound of Formula I, where F is replaced by another anionically splittable radical, to exchange it in known manner for a fluorine substituent. The products may subsequently be sulphonated.