baber/WOPTO huggingface dataset:
Patent GB-656268-A (GB)
Title: Recovery of heparin
Filed: 1948-10-13
Abstract: Heparin is recovered by digesting mammal tissue containing heparin with a proteolytic enzyme until the major portion of said mammal tissue is digested and recovering the heparin from the resulting product, the mammal tissue being digested prior to separating protein and protein derivatives from the mammal tissue. As mammal tissue there may be used beef lung, beef intestine and pork intestine.  As a proteolytic enzyme there may be used trypsin, a protease enzyme of bacterial origin and an enzyme-containing extract of pancreatic tissues.  Detailed examples are given.  Specification 618,174 is referred to.
Patent GB-1136337-A (GB)
Title: Improvements in or relating to arrangements for supervising the molten condition of a melt zone in floating zone melting
Inventor: TROMPA KARLHEINZ
IPC: C30B13/28
Filed: 1967-06-09
Abstract: 1,136,337. Zone-melting. DEUTSCHE AKADEMIE DER WISSENSCHAFTEN ZU BERLIN. 9 June, 1967, No. 26656/67. Heading BIS. In apparatus for the floating zone-melting of a rod provided with a driving shaft for rotational and axial movement of the upper end of the rod which movement is interrupted on accidental solidification of the molten zone and continued on remelting, the lower rod holder 1 has an arm 16, for engagement with a relay 17 for cutting out the movement, and a supporting rotary hollow shaft 2 supplied with cooling water by resilient pipes 9 and heavy current by a flexible cable 5. On solidification, the assembly of holder 1, shaft 2 and arm 16 rotates against the resilient action of pipes 9, thus operating relay 17, while on remelting the resilient action of pipes 9 returns the assembly to its original position.
Patent GB-459387-A (GB)
Title: Improvements in and relating to packeting granular or pulverulent material, such as medicinal powders
IPC: A61J3/02
Filed: 1935-09-27
Abstract: 459,387. Packeting by wrapping. SUMNER, W., Fairfield Street, Prescot Road, Liverpool. Sept. 27, 1935, No. 26716. [Class 94 (i)] A flat packet containing powdery material has its final overlapping folds secured together by deformation of the wrapping material. A sheet of paper with the powder disposed at the centre is doubled longitudinally twice to form a flat open-ended closure packet as shown in Fig. 2. The ends 1a, 1b are then folded into overlapping relationship over a plate 7, and tongues 6 are punched through an aperture in the plate, so that the withdrawal of the plate wipes the tongue backwardly as in Fig. 5. Alternatively, the overlapping ends may be secured together by a crimping roller or other die acting against the plate 7.
Patent GB-820080-A (GB)
Title: Improvements in or relating to photo-electric cells
Inventor: JENKINS JAMES ARCHIBALD
IPC: H01L31/08
Filed: 1952-07-04
Abstract: 820,080. Photo-electric devices. MULLARD RADIO VALVE CO. Ltd. Sept. 30,1953 [July 4, 1952], No. 26894/53. Divided out of 820,076. Class 37. Each of the leads 6 to the electrodes 10 of a photo-electric cell is supported by a projection 2 of the re-entrant face 1, on which the sensitized layer is deposited. The annular projection 2 is ground away sufficiently to expose the leads 6 and colloidal graphite is painted on to form the electrodes 10. A sensitive coating of lead sulphide, telluride or selenide is provided between the electrodes as described in Specifications 820,075, 820,077, 820,078 and/or 820,079. Specification 656,176, [Group XL (b)], and 727,494 also are referred to.
Patent GB-1429043-A (GB)
Title: Apparatus for use in the measurement of vector quantities
IPC: G01M1/22
Filed: 1973-06-06
Abstract: 1429043 Light spot position detectors AVERY DENISON Ltd 6 June 1973 [21 June 1972] 27029/73 Heading G1A A vector quantity represented as the position of a light spot relative to an origin is measured by means of a photo-electrically sensitive area positioned to receive the light spot when the quantity is within a selected range of values. As shown, Fig. 1, an optical display instrument 1 in which a variable is represented by the position of a light spot on a display screen 2, is provided with a large area circular photo-detector 6 (e.g. a selenium cell) connected to an amplifier 9, a threshold circuit 10 and a relay 11 in a control circuit. When the light spot falls on the detector, indicating that the variable is within a given tolerence, the relay is operated. A beam-splitter may be positioned in the light path of a display instrument so that a measurement signal can be provided in addition to an unobscured display. The tolerence can be selected by adjusting the effective detection area using a lens and an aperture stop which may be an iris diaphragm.  The system may form part of an optical balance in which light from a source is reflected from a mirror connected to the balance platform and mounted to pivot in all directions. This may be used to statically balance rotationally symmetrical objects. A plurality of concentric detectors may be utilized to provide a series of tolerence values and the annular areas may be divided into sectors to produce vector information.
Patent GB-466003-A (GB)
Title: Improvements in and relating to the packing of coffee and like materials
IPC: B65D81/20
Filed: 1936-10-06
Abstract: 466,003. Packages. AUBAN, F. P. M. Oct. 6, 1936, No. 27105. Convention date, Oct. 7, 1935. [Class 94 (i)] Ground coffee and like substances are packed in containers made of impermeable flexible or deformable material by ramming, and the container is subjected to vacuum and closed. After removal from the vacuums, the contents support the container against the atmospheric pressure. The air may be exhausted through a pin hole in the lid of the container having a flap of adhesive material adapted to be stuck down by a movable finger in the apparatus. The container may be of cellulosic material or transparent chlorinated rubber.
Patent GB-883268-A (GB)
Title: Process for the production of organic perhydrates
IPC: C07D487/18
Filed: 1960-08-05
Abstract: Solutions of hydrogen peroxide in water or an organic solvent, such as diethyl ether, ethyl acetate or isobutanol, may be obtained by treating amino-triazine perhydrates with water or the organic solvent.  The amino-triazine may be separated from the solution by decanting or filtering.ALSO:The invention comprises perhydrates of amino-1.3.5-triazines which are addition compounds of the triazines with hydrogen peroxide.  They are prepared by reacting an amino-1.3.5-triazine with a hydrogen peroxide solution.  Preferably the amino-1.3.5-triazines have at least 2 amino groups, for example melamine and 2.4-diamino-6-aryl-1.3.5-triazines.  It is advantageous to carry out the reaction at a temperature not above 40 DEG C.  It is preferred to use an excess, e.g. 2-6 mole, of hydrogen peroxide per mole of triazine.  The perhydrate is filtered off and the filtrate may then be concentrated if desired and used to react with futher quantities of triazine.  The perhydrate may be stabilised, where necessary by the addition of a stabiliser either to the reactants or the product.  Suitable stabilisers are, for example, monosodium phosphate, di- or tetra-sodium pyrophosphate, magnesium silicate, 9-hydroxy-quinoline, the disodium salt of ethylene diamina tetra-acetic acid and citric acid.  Preferably a hydrogen peroxide solution of at least 30% by weight concentration is used.  If the perhydrates are treated with water or organic solvents the hydrogen peroxide goes into solution and the amino-1.3.5-triazine may be separated by decanting or filtering.
Patent GB-1111669-A (GB)
Title: Method of preparing fluid self-curing mixture for making foundry cores and moulds
Inventor: LJASS ABRAM MOISEEVICH
IPC: B22C1/18
Filed: 1965-06-28
Abstract: A self-curing mixture for preparing foundry cores and moulds comprises a filler, an aqueous sodium silicate binder, a sulphate or sulphonate foaming agent, and a highly basic metallurgical slag with CaO:SiO2 ratio from 1.5:1 to 3.0:1. The foaming agent may be a sodium alkylbenzenesulphonate, alkylnaphthalenesulphonate alkyl sulphonate, or alkyl sulphate in an amount 0.05-0.2% by wt. of the mixture. The slag may be a self-disintegrating ferrochromium slag in an amount 2.0-7.0% by wt. of the mixture.  The filler, which is about 93 to about 98% of the mix, may be quartz sand, olivine sand or chromomagnesitic powder. Optional additives include 0.5-2.0% anhydrous calcium sulphate as accelerator, 0.01-0.1% alkali metal borate or phosphate, e.g. borax, as retarder, 0.01-0.2% sodium soap, e.g. sodium naphthenate as foam stabilizer, 1-5% kerosene as foam destabilizer and/or graphite, coal, coke, pitch, sawdust or alumina to improve "knock-out" properties of the set substance. The mixture is mixed with 1.0-5.5% water and set in a core-box.
Patent GB-1076294-A (GB)
Title: A system for processing a continuous sheet of webbing
IPC: C23F1/08
Filed: 1965-06-28
Abstract: 1,076,294. Feeding webs. BUCKBEEMEARS CO. June 28, 1965 [Feb. 19, 1965], No. 27222/65. Heading B6B. A looping device, Fig. 2, maintains the tension in a metal web advancing from one processing station to another, with the plane of the web vertically orientated, one of the processing stations advancing the web continuously and the other station advancing the web intermittently. The looping device comprises two parallel rows of idler rollers 38, one of the rows mounted on a cross-piece 49 being movable relative to the other row. An electric motor 44, mounted on a platform 51 attached to the cross-piece 49, exerts a torque on a shaft 43 via a magnetic slip clutch 45 and belt drive 48. The shaft 43 carries two pinions 42 and 41 which mesh with racks 40 and 39 respectively, so that the motor 44 exerts a force on the cross-piece 49, tending to move it and its rollers away from the fixed row of rollers, thereby tensioning the web. The processing stations Fig. 1 (not shown), are brown apparatus for coating the web on both sides with a photosensitive resist, photographing an image on the resist, and removing metal of the web by etching.
Patent GB-454526-A (GB)
Title: Process of preparing halogenated phenanthrolines
Filed: 1935-10-03
Abstract: Halogenated phenanthrolines are prepared by subjecting halogenated phenylene diamines or halogenated amino-quinolines to a Skraup synthesis.  The amino compounds may be wholly or partly acylated or replaced by the corresponding azo compounds.  Examples describe the preparation of (1) 5-chloro-m-phenanthroline from 4 - chlor - m - phenylenediamine; (2) 5-bromo-m-phenanthroline from 4 - bromo-m-phenylene-diamine or 4 - bromo-diacetyl-m-phenylenediamine; (3) Bz-bromo-p-phenanthroline from 2-bromo-p-phenylene-diamine, or its 1-acetyl, diacetyl or 1-benzoyl derivatives; (4) Bz-bromo-o-phenanthroline from 4 - bromo - o - phenylene - diamine or its 1-acetyl, diacetyl or 1-benzoyl derivatives; (5) 5 - bromo-m-phenanthroline from 5-amino-8-bromo - quinoline or 5 - benzazo - 8 - bromo-quinoline.  4-Bromo-diacetyl-m-phenylene-diamine and the 1-acetyl, diacetyl, and 1-benzoyl derivatives of 2-bromo-p-phenylenediamine and 4-bromo-o-phenylenediamine are made by brominating the acylated diamines in glacial acetic acid. 5-Benzazo-8-bromo-quinoline is made from 5-benzazo-8-hydroxy-quinoline.
Patent GB-1056454-A (GB)
Title: Improved photographic reversal processes
IPC: G03C5/50
Filed: 1963-07-10
Abstract: 1,056,454. Photographic reversal processes. EASTMAN KODAK CO. July 10, 1963 [July 11, 1962], No.27275/63. Heading G2C. In the reversal processing of colour or black and white material, an aqueous solution of a boron compound which has at least one and not more than three boron to hydrogen bonds or which contains two or more amine groups each bonded to BH3 is used as a chemical fogging agent to form the reversal latent image. The boron compound may be incorporated in the second colour developer solution and may be used to treat coupler incorporated colour materials as well as those in which the coupler is incorporated in the colour developer, but in the latter case the aqueous solution of the boron compound is only used to fog the third layer. Specified boron compounds are mono-, di, and tri-alkylamine and hydroxy alkylamine boranes; NH3, BH3; arylamine boranes; heterocyclic amine boranes e.g. lutidine and pyridine boranes; phosphine arsine and stibine boranes; borazines; and ethylene diamine diborane and hydrazine diborane.
Patent GB-503346-A (GB)
Title: Improvements in completely-separable sliding-clasp fasteners
IPC: A44B19/38
Filed: 1937-10-07
Abstract: 503,346. Sliding - clasp fastenings. MARINSKY, 'D. Oct. 7, 1937, Nos. 27283, 27284, and 27285. Convention dates, Oct. 22, 1936, Oct. 22, 1936, and Feb. 2, 1937. [Class 44] In a completely separable sliding-clasp fastener with pin and channel separable end members, the channel member is provided with a yielding means whereby the slider is retained on said channel member until released by a means movable relatively to the channel member. Fig. 3 shows the slider 15 retained by an internal stud 30 thereon being engaged by the nose 29 of a catch lever 28 mounted on a pivot pin 27 in the channel member 17 of the completely separable end members ; the lever has an offset plate 41 which is so inclined that the lever 28 is rocked against the action of its spring 42 by the insertion of the pin member 18, Fig. 1, of the completely separable end members. The pin member 18 is then coupled to the channel member 17 by a lug 37 on the catch lever entering a recess 38 on the pin member 18. The slider has a recess 45 which fits over an arm 43 of the catch lever and so prevents the slider being twisted out of position. In the form shown in Fig. 13, the catch comprises a stud 75 on a leaf spring 69a which is raised into a position to release the slider 74 when the pin member of the completely separable members is inserted and actuates the piece 71.
Patent GB-881474-A (GB)
Title: Rubber gloves
Inventor: PARTRIDGE JOHN CHARLES
IPC: B29C41/14
Filed: 1957-08-30
Abstract: Rubber gloves characterized by freedom from splitting of the latex film during drying on the former and resistance to hydrocarbon oils and organic solvents, are manufactured by dipping a former into a liquid composition comprising a butadiene/acrylonitrile copolymer latex blended with a latex of butadiene/vinyl pyridine, copolymer, withdrawing the former, allowing it to drain to remove excess liquid and setting the film of liquid on the former.  The vinyl pyridine copolymer latex may contain a terpolymer of butadiene, styrene and a vinyl pyridine. The vinyl pyridine may be a monovinyl pyridine, a monoalkyl monovinyl pyridine or a dialkyl monovinyl pyridine, 2-vinyl, 3-vinyl, 4-vinyl, 2-methyl-5-vinyl, 5-ethyl-2-vinyl, 2,4-dimethyl-6-vinyl and 2,4-diethyl-6-vinyl pyridines being particularly mentioned.  The proportion of butadiene/acrylonitrile latex to butadiene/vinyl pyridine latex should be in the ratio 90:10 to 40:60, equal proportions being preferred.  In manufacturing, the former may first be covered with a layer of natural rubber or synthetic rubber of a type distinct from that of the blended latices, or of woven textile material.  Either zinc chloride or formic acid in methylated spirit may be employed as the coagulant.
Patent GB-519538-A (GB)
Title: Improvements in dynamo electric machines
IPC: H02K23/22
Filed: 1938-09-20
Abstract: 519,538. Dynamo-electric machines: MACFARLANE, J. C., and MACFARLANE, W. A. Sept. 20, 1938, No. 27374. Drawings to Specification. [Class 35] A dynamo-electric machine with the slots of the field core arranged uniformly has an armature winding the coils of which are of short span so as to give a flat-topped curve of magnetomotive force and a series compensating-winding in the field circuit, the inner turns of which are wound in adjacent slots, or are separated by one slot, while the outward turns span 180 degrees (electrical). This produces a reversing flux at the commutating zones. The outer conductors of the main field winding span less than 180 degrees (electrical) leaving a commutator zone opposite the brush.
Patent GB-1010377-A (GB)
Title: A method of and apparatus for use in burning sewage sludge
IPC: F23G5/46
Filed: 1963-07-10
Abstract: 1,010,377. Refuse consuming furnaces. VON ROLL A.G. July 10, 1963 [July 12, 1962], No. 27411/63. Heading F4B. Dewatered sewage sludge from a water purification plant is dried at 2 by hot air and fed to the furnace 6. The air-vapour mixture from the drier 2 is fed to the furnace at 8 to supply primary combustion air. Part of the air-vapour mixture from the drier 2 is passed through a heat exchanger 14 in the path of the flue gases from the furnace 6 and forms the preheated secondary air. Additional fuel, which may be gas formed by the putrefaction of the sludge during its pre-treatment, is supplied at 9. The air for the drier 2 is heated in a heat exchanger 15 in the path of the flue gases, and a waste heat boiler 16 produces steam which may be used in the pretreatment of the sludge. The smoke and gases are passed through a dust extractor 17 and fan 18 to the chimney. In a modification, the sewage from the drier is ground and blown in to the furnace by the air-vapour mixture from the drier. Part of the flue gases may be recirculated to the furnace. The pulverulent sludge and additional fuel may be supplied through common burners.
Patent GB-431465-A (GB)
Title: Improvements in and relating to the production of foodstuffs comprising phosphatide
IPC: A23J7/00
Filed: 1933-10-05
Abstract: A stable foodstuff containing phosphatides is obtained by incorporating intimately phosphatides with a pulverulent or finely granular edible material such as sugar.  The phosphatide may contain its naturally-associated oil, or may have this removed and if desired replaced by cocoa butter or other oil or fat.  The phosphatide may be worked, e.g. by rolling, preferably after warming, and may then prior to or after adding the pulverulent &c., material be beaten until it acquires a foaming character. The material may finally be cooled down in a cooler preferably with continuance of the beating or like operation.  A small amount of aromatizing or flavouring materials may be added during manufacture.  The product may be moulded into tablets &c., which may be coated with chocolate, sugar, &c.  Mixtures of 10 parts of soya lecithin with 1 part each of sugar and cocoa powder or with 2 parts of cocoa powder may be employed.  The addition may be made to an aqueous emulsion of the phosphatide, in the manufacture thereof, followed by removal of water and, if required, deodorization.
Patent GB-841986-A (GB)
Title: Improvements in brakes for railway car trucks
IPC: B61H5/00
Filed: 1956-09-07
Abstract: 841,986. Disc brakes. AMERICAN STEEL FOUNDRIES. Sept. 7, 1956 [Sept. 8, 1955], No. 27477/56. Class 103 (1). In a brake arrangement for a railway vehicle, in which a brake disc 18 is embraced by a pair of brake levers 30, situated one on each side of the brake disc and fulcrummed at 32 to the vehicle frame 10 by means of support bracket 26, straps 24 and transverse member 22, and which are actuated by means disposed outwardly of the brake disc from the fulcrum pins 32, each of the levers 30 has pivoted thereto adjacent the related brake surface a brake head 78 which is solely supported from the vehicle frame by a hanger member 92 to which it is pivotally connected by pivoted connections 84 and which in turn is pivotally connected to the vehicle frame 10 by means of pivotal connections 90. By this construction, the brake levers 30 are relieved of the weight of the brake head assembly since the hanger assembly 92, 86, 22 and 24 supports the weight. The brake head assembly is maintained in parallel relationship to the friction surfaces 20, Fig. 2 (not shown), of the brake disc 18 by means of pivotal connections 82 and 84 disposed at right-angles to each other. The brake levers 30 may be actuated by means of a fluid pressure piston and cylinder mechansm 66 and returned to their inoperative position by means of a spring release arrangement. Specification 841,987 and 841,988 are referred to..
Patent GB-1363585-A (GB)
Title: Disc brake device for bicyles
IPC: F16D55/224
Filed: 1972-06-13
Abstract: 1363585 Cable-operated disc brakes for bicycles BRIDGESTONE CYCLE KOGYO KK 13 June 1972 [17 June 1971 18 Oct 1971 (2)] 27520/72 Heading F2E A disc brake device for bicycles comprises a brake disc for securing on a bicycle wheel, a brake body including two brake body portions held together by bolts and being adapted for securing to the bicycle body with an intervening shock-absorbing resilient body, each of the brake body portions being provided in its surface facing the brake disc with a circular depressed portion, a friction pad being arranged in each such depressed portion, the disc brake device being provided also with a pair of opposed surfaces, one being rotatable relative to the other, one being axially movable relative to the other and carrying a friction pad, a plurality of equispaced circumferentially-arranged balls contacting both these surfaces, a cammed portion for each ball on one of the surfaces, means for holding the balls in position relative to the non-rotatable surface, whereby on rotation of the rotatable surface the balls travel over the cammed portion to cause axial movement of the movable surface towards or away from the other surface, thereby causing movement of the friction pad carried thereby towards or away from the brake body portion, and means for rotating the rotatable surface. In Figs. 1 and 2, a brake disc 5 is secured to a bicycle wheel (not shown), while the two portions 2, 3, of a brake body 1 are secured together and, through a resilient shock-absorbing body 25, e.g. of rubber, to a metal fitting 24 integral with the bicycle body, by bolts 4. Circular brake pads 6 are urged each into a recess of one of the brake body portions 2, 3, by an inverted U-shaped spring 10, to which the pads are secured. Portion 2, Fig. 4, has secured therein a shaft 15 about which is rotatable a cam 16, 16a, Fig. 12, and on which the cam is retained by nuts 17, 18. When cam lever 16a is pulled by cable 21, balls 14 adjacent the cam ride up on to projecting surfaces 16b and urge through further balls 14 the directly-operated pad 6 against disc 5, When the opposite pad 6 is applied by reaction, body 25 is compressed and spring 10 is flexed.. When cable 21 is relaxed, a torsion spring 22 returns cam lever 16a.  In Figs. 20 and 21, the "reaction" pad is secured to left-hand portion 3, while the "directly-operated" pad is secured to a rotatable shaft 15 to which is also secured a cam disc 16, Figs. 28, 29. between which and hemi-spherical recesses in portion 2 a single set of balls 14 is located. U-shaped spring 10 is omitted, while shims 31, and a spring 32 supplementing body 25, are provided.  Fig. 33 differs from the previous embodiment in having a rotatable member 16 provided with radially-orientated hemi-cylindrical recesses only, while a readily-renewable cam plate 43, Figs. 38 and 39, is non-rotatably located in a deeper recess in portion 2, Fig. 36. Thus the balls 14 move circumferentially with member 16.
Patent GB-227948-A (GB)
Title: Improvements in or relating to electric fuses
IPC: H01H85/055
Filed: 1923-11-03
Abstract: 227,948. Electrical Improvements, Ltd., and Porter, G. L. Nov. 3, 1923. Drawings to Specification. Cut-out arrangements.-A discriminating fuse arrangement comprises an oil-immersed fuse in which the fusible element is lagged with a material of low specific heat and low thermal conductivity in relation to the oil, such fuse being combined with another protective device such, for example, as an unlagged oil-immersed fuse or a lagged or unlagged fuse in air. Alternatively, the lagged oil-immersed fuse may be employed in combination with an automatic switch. In systems employing a locad fuse in series with a main fuse, an unlagged fuse may be employed as the local fuse, a lagged fuse of larger cross-section being employed as the main fuse. Asbestos coverings, porcelain or glass beads, and clay tubes are examples of lagging which may be employed.