baber/WOPTO huggingface dataset:
Patent GB-1423175-A (GB)
Title: Blowing agent compositions
IPC: C08J9/10
Filed: 1972-07-11
Abstract: 1423175 Blowing agent compositions FISONS Ltd 5 July 1973 [11 July 1972] 32308/72 Heading C3C A blowing agent composition comprises 100 parts by wt. of tri-hydrazino-triazine and 1-20 parts by wt. of azodicarbon amide. The composition may also contain a finely divided silica containing free or combined water and may be mixed with a high temperature polymer (i.e. a thermoplastic polymer which requires expansion at 220‹ C. or above) which is then expanded by heating to a temperature below the decomposition temperature of the polymer but above the decomposition temperature of the blowing agent composition. The polymer may be nylon, polycarbonate, polystyrene, acrylonitrile/butadiene/styrene copolymer, polyethylene or polypropylene. The polymers expanded in the examples consisted of polyphenylene oxide with butyl stearate and glass-fibre reinforced polypropylene which was expanded using a master batch consisting of polyethylene, the above blowing agent and erucamide.
Patent GB-1082094-A (GB)
Title: Improvements relating to the photochlorination of high organic polymers suspended in water and to apparatus therefor
IPC: C08F8/20
Filed: 1965-07-28
Abstract: 1,082,094. Photo-chlorination apparatus KUREHA KAGAKU KOGYO KABUSHIKI KAISHA. July 28, 1965 [July 30, 1964], No. 32319/65. Heading B1X. In an irradiation apparatus for the chlorination of an aqueous suspension of water insoluble high organic polymer by chlorine gas a plurality of tubular light sources 2 are horizontally disposed in layers within the vessel 1, and agitation impellers 3 are positioned between the layers of light sources. High polymer to be treated is introduced through inlet 7 and chlorine gas through inlet 8, outlet 10 being for waste gas and outlet 9 for treated high polymer. Cooling tubes 5 maintain the reaction liquid at a required temperature. Blades 3b may be provided to agitate the liquid 'surface and gas space. The cross section of the impellers 3 may be triangular (see Fig. 5, not shown). The light sources consist of glass tubes 2 extending across the vessel and through the vessel wall and containing fluorescent lamps.
Patent GB-300207-A (GB)
Title: Manufacture of substances resembling cork
IPC: C08B15/00
Filed: 1928-11-06
Abstract: 300,207. I. G. Farbenindustrie Akt.- Ges. Nov. 8, 1927, [Convention date]. Cork substitutes.-Substances which resemble cork are prepared by treating cellulose or a cellulose compound, which still contains at least one reactive hydroxyl group, with one or more chlorides of an estolidic acid or with a mixture of one or more of such chlorides and one or more chlorides of higher fatty acids or derivatives thereof. Acid binding agents may be added in order to bind the hydrogen chloride, which is evolved during the reaction. The cellulose triesters of ricinoleic and tri-ricinoleic acids are mentioned. The substances produced in this manner may be moulded under pressure, if necessary, at raised temperatures and dye-stuffs, softening agents or filling materials may be added, as is usual in the manufacture of plastic materials. In an example, a mixture of cellulose, chlorbenzene, lauryl chloride, polyricinyl chloride and commercial pyridine is heated to 125-130‹ C. for 90 minutes. The product of the reaction is allowed to cool, filtered and thoroughly extracted with methanol. The ester obtained contains about 9 per cent of cellulose and is insoluble in the usual solvents but swells slightly in glacial acetic acid, aliphatic chlorinated hydrocarbons, benzene and pyridine.
Patent GB-463143-A (GB)
Title: Improvements in and relating to key winders for opening tins, rolling up collapsible tubes, and like purposes
IPC: B65D35/32
Filed: 1935-11-23
Abstract: 463,143. Winding-keys for collapsable tubes, tins, &c. RUBENS, H. E. Nov. 23, 1935, No. 32549. [Class 66] A key winder for opening tins, rolling-up collapsable tubes, &c. and comprising a slit tubular part 11 and an integral handle portion 10, is formed from a metal blank cut to afford a projection 16 disposed opposite to a correspondingly-shaped recess and adapted to close the slit 13 at the handle end. The blank is rolled so that the sharp edges 21, Fig. 8, produced by the stamping are disposed externally. The blanks are stamped frcm tinned sheet metal printed on both sides.
Patent GB-618210-A (GB)
Title: Improvements in or relating to dust collectors
IPC: B04C5/28
Filed: 1946-11-04
Abstract: In a multi-cell dust collector the direction of rotation of the gases in each cell is opposite to that in all the adjacent cells.  The appropriate direction of rotation may be obtained by tangential inlets or by means of vanes disposed in the cells.
Patent GB-305647-A (GB)
Title: Improvements in or relating to the treatment of rubber and like material
IPC: C08K5/13
Filed: 1928-11-08
Abstract: 305,647. Goodyear Tire & Rubber Co., (Assignees of Clifford, A. M.). Feb. 9, 1928, [Convention date]. #-dinaphthol is prepared by adding #-naphthol to sodium hydroxide solution, boiling and treating with a solution of ferric chloride in dilute hydrochloric acid.
Patent GB-510841-A (GB)
Title: Improvements in or relating to metal paste pigments
IPC: C09C1/62
Filed: 1938-11-10
Abstract: 510,841. Metal paste pigments. ALUMINUM CO. OF AMERICA. Nov. 10, 1938, No. 32688. Convention date, Nov. 11, 1937. [Class 95] [Also in Group XVI] A stabilized metal paste pigment, particularly an aluminium paste pigment, having improved persistence of leafing power, comprises metal flakes, a leafing agent, and at least one compound selected .from the group consisting of phenol, monobenzyl aminophenol, p-tertiary amyl phenol, and " guaiaphene." Stearic acid is a specified leafing agent, and mineral spirits may be used as a thinner in the paste. An addition of the stabilizing agent in an amount of about 0.002 to 0.1 per cent. of'the finished paste is usually sufficient, though more may be added, thereby substantially reducing the amount of leafing agent which is necessary.
Patent GB-1256269-A (GB)
Title: Centrifuge
Inventor: WALKER PETER MARTIN BRABAZON
IPC: B04B5/04
Filed: 1969-06-27
Abstract: 1,256,269. Centrifugal separators. M.S.E. HOLDINGS Ltd. 18 June, 1970 [27 June, 1969], No. 32741/69. Heading B2P. [Also in Divisions G1 and G2] In an analytical centrifuge 1 in which an elongated radiation beam is arranged to pass through a sample cell 2, the axis of the beam X-section is perpendicular to the radial direction of the rotor at the rotor and the beam is scanned in this radial direction. The scanning is effected by moving the slit 13 step-wise in a vertical direction. The radiation source 11 is preferably an ultraviolet lamp and the detector 16 is a photomultiplier. A filter or monochromator may be arranged in the light path.
Patent GB-490982-A (GB)
Title: Improvements in or relating to the drying of starch
IPC: C08B30/06
Filed: 1937-11-27
Abstract: 490,982. Drying starch. DAUMAS, C. V. Nov. 27, 1937, No. 32797. [Class 34 (ii)] Starch particles of diameter of 0À8 millimetres or less are dried by contact with a stream of hot gas at a temperature above the coagulating temperature of the starch for a time sufficient to effect drying but not long enough to cause coagulation. A temperature of up to 300‹ C. and a drying period of from a half to several seconds are specified. The starch is dried by falling in countercurrent to a stream of hot air in a column 29 to which the starch is supplied from a superimposed container 16 separated therefrom by a metal plate 22 having openings 23 of 0À8 millimetre or less in diameter. The container 16 is provided with a stirrer 21 carried by a rotatable shaft 17 and with rollers 26 supported by arms 25 also carried by the shaft 17, for pressing the starch through the openings 23. The lower end of the column 29 is enclosed by an air-heating chamber 30 from which the starch is withdrawn through a gate 34. Specification 210,416, [Class 34 (ii)], is referred to.
Patent GB-346359-A (GB)
Title: The manufacture and production of halogenated products of anthraquinone derivatives
IPC: C09B5/34
Filed: 1929-10-30
Abstract: Halogenated anthraquinone acridones; halogenated anthraquinonyl-N-isatins.-a -Anthraquinonyl-N-isatins or alkyl or halogen derivatives thereof are treated with halogen or halogenating agents whereby halogenated products are obtained which, in some cases, are anthraquinone acridones.  Halogenation may be carried out in the presence or absence of organic or inorganic solvents or diluents and of halogen transferrers.  Those products which are halogenated isatin derivatives may be treated with acid or alkaline condensing agents such as aluminium chloride, sulphuric acid or caustic alkalies to effect acridone ring-closure.  In examples (1) 1-N-isatylanthraquinone is treated with sulphuryl chloride in nitrobenzene and in presence of iodine to give a 1-N-dichlorisatylanthraquinone which is converted in the vat to a dichloranthraquinone-2-1-benzacridone (dyes red shades); if bromine is used instead of sulphuryl chloride and iron is also present, a bromanthraquinone-2-1-benzacridone dyeing blue-red shades is obtained; treatment with chlorine and then with bromine in an aluminium sodium chloride melt yields a chlorobromoanthraquinone-2-1-benzacridone (dyes blue-red shades): (2) 1-N-methylisatylanthraquinone (derived from 1-p-toluidoanthraquinone) is treated with chlorine in an aluminium sodium chloride melt (or ferric chloride) to give a chloranthraquinone-2-1-methylbenzacridone (dyes red shades): (3) 1,5-di-N-isatylanthraquinone is treated with bromine in nitrobenzene and in presence of iodine and iron to give a bromanthraquinone-2-1 : 6-5-dibenzacridone (dyes reddish-blue shades): (4) 1-N-b -naphthisatyl anthraquinone is treated with bromine in nitrobenzene and in presence of sulphur and iodine to give a brominated anthraquinone-2-1-naphthacridone (dyes yellow-red shades); the same product is obtained by treating the 1-b -naphthylaminoanthraquinone with oxalyl chloride and brominating the reaction mass as above: (5) 1-N-chlorisatylanthraquinone (derived from 1-m-chloranilidoanthraquinone) is treated with bromine in nitrobenzene in presence of iodine to give a chlorobromoanthraquinone-2-1-benzacridone (dyes blue-red shades); treatment with chlorine in trichlorbenzene in presence of iodine gives a chlorinated 1-N-isatylanthraquinone which on vatting is transformed to an acridone containing two or three atoms of chlorine; by the bromination as above of the 1-N-chlorisatylanthraquinones derived from 1-o-and 1-p-chloranilidoanthraquinone similar chlorobromoacridone derivatives are obtained.  The 1-N-isatylanthraquinones may be prepared by the action of oxalyl chloride on an arylaminoanthraquinone, preferably in the presence of condensing agents such as aluminium chloride, or by reacting halogenated anthraquinones with isatins.
Patent GB-996941-A (GB)
Title: A process and apparatus for simultaneously moulding a sole and a toe cap on to footwear
IPC: B29D35/00
Filed: 1963-08-21
Abstract: 996,941. Injection moulding footwear. H. LUDWIG. Aug. 21, 1963 [Oct. 16, 1962], No. 33056/63. Heading B5A. Apparatus for simultaneously injection moulding a sole and toe cap on to a shoe upper comprises a last 15 for the upper 16, a mould part 17 for the sole, and a toe mould part 21 which is adjustable longitudinally and transversely of the mould part 17. The mould member 21 is mounted for sliding and pivotal movement on a shaft 26 carried by bars 28 which can be moved up and down by means of pistons in cylinders 32. Adjustment of the mould member 21 longitudinally relative to the shoe is effected by tilting of the bars 28 and cylinders 32 (Fig. 4). Two lasts 14, 15 are mounted on a support 12 for rotation about an axis 13 by means of a handle 38. The whole assembly can be raised relative to the sole mould 17 (Fig. 2, not shown), by means of a cylinder 39 and linkage 40.
Patent GB-1465730-A (GB)
Title: Conveyoroinstallations
IPC: E21F13/02
Filed: 1974-07-26
Abstract: 1465730 Storage bunkers; endless conveyers GUTEHOFFNUNGSHUTTE STERKRADE AG 26 July 1974 [27 July 1973] 33056/74 Headings B8E and B8A A conveyer installation for use in mines comprises a bunker 2 whose bottom is formed by a directly-driven conveyer belt 1 to which the rear 4 of the bunker 2 is attached by a coupling 3, one end of the conveyer belt 1 passing about a drive roller 8 while its other end passes about a roller 6, and as the individual compartments of the bunker 2 pass beyond the roller 6 the belt 1 then no longer forms a bottom for such compartments and their contents are discharged on to a belt conveyer 17 which transports them away. The bunker 2 is fed by a belt conveyer 16. The conveyer belt 1 is pre-tensioned by a winch 13.
Patent GB-635647-A (GB)
Title: Improvements relating to pocket lamp and like batteries
IPC: F21L4/00
Filed: 1947-12-16
Abstract: 635,647. Battery lamps. VLK, J. Dec. 16, 1947. No. 33096. Convention date, Nov. 14, 1939. [Class 39 (ii)] [Also in Group XXXVI] A battery or accumulator 1 for use in a lamp having an electromagnetic interrupter in series with the bulb is provided with a resilient terminal or contact strip 2 arranged to be associated with an adjustable contact screw 5 and provided with an interchangeable magnetic armature 3 or, alternatively, the strip itself may be made of a ferrous magnetic material. The contact strip is located in position relative to the electro-magnet 4 by providing it with an aperture or notch to receive a screw 7 carried by an adjacent insulating plate secured to the casing. Specification 635,648 is referred to.
Patent GB-331454-A (GB)
Abstract: 331,454. Siemens -- Schuckertwerke Akt.-Ges. Oct. 13, 1928, [Convention date]. Cables, arrangement and disposition of parts oj; cores for cables; insulating coverings for cables and conductors; cables with pressure-controlling means for oil filling .-In order to avoid hollow, spaces due to temperature changes in the interior of lead sheathed cables with impregnated insulation, spongy rubber is incorporated in the cable core. As shown in Fig. 1, the cable comprises conductors 1 round a spongy-rubber core 2. Insulation 3 and a lead sheath 4 complete the cable. In modified constructions, the spongy rubber is embedded in the insulation or lies directly under the lead sheath, or is divided and embedded in the insulation, and may also be placed between the insulation and the lead sheath.
Patent GB-632906-A (GB)
Title: Improvements in and relating to glass compositions
IPC: C03C3/07
Filed: 1947-12-16
Abstract: 632,906. Glass manufacture. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 16, 1947, No. 33153. Convention date, Dec. 18. 1946. [Class 56] An X-ray impervious glass consisting principally of silica and lead oxide is prevented from being discoloured by X-rays by the addition of cerium oxide. Silica, lead oxide, barium oxide and cerium oxide are melted with quantities of soda ash and cullet, cobalt or manganese being added as colouring matter. Suitable proportions are silica 35 per cent, lead oxide (PbO) 52 per cent, barium oxide 12 per cent, cerium oxide 1 per cent. Other proportions with the cerium content between 0.5 and 1.5 per cent are permissible. Glass of the above composition is sealable with " lime " glass, transparent to X-rays.
Patent GB-906791-A (GB)
Title: A suturing device
IPC: A61B17/072
Filed: 1959-10-01
Abstract: 906,791. Stapling devices. GORKIN, N. S., STREKOPITOR, A. A., and GARIN, N. D. Oct. 1, 1959, No. 33282/59. Class 89 (3). [Also in Group VI] A hand-operated stapling device comprises a body 1 having a hook 2 which carries a die 3 having recesses 4 for bending staples, a clamping head 14 containing a staple magazine 15, a staple driver 11 operated by a handle 9 for driving staples from the magazine and through material placed between the clamping head and the die, and a two-pronged fork 19 fixed to the clamping- head for preventing tissue slipping from between the clamping-head and the die. The clamping- head is carried by a member 5 which is adjustably slidable in the body by a nut 8. A handle 6 is fixed to the clamping member 5, the operating handle 9 being pivoted on the member and having a portion 13 which engages a rod 12 which is slidable in the clamping member and carries the staple driver 11. The staple driver has teeth which correspond to staple-receiving slots A in the magazine. The operating handle carries a lever 20, 21 which in one position abuts a projection on the fixed handle to lock the operating handle in inoperative position and which in another position frees the operating handle for operation of the device. When the handles are squeezed together against a spring 10, the staple driver is projected so that staples are ejected simultaneously from the magazine, pierce the tissue and are bent against the die recesses. The magazine slots and the die recesses are arranged in staggered formation in two rows.
Patent GB-337964-A (GB)
Title: Improvements in refrigerating apparatus of the absorption type
IPC: F25B17/00
Filed: 1929-11-01
Abstract: 337,964. Silbernagel, A. Nov. 12, 1928, [Convention date]. Refrigerating, absorption machines for.-In a machine working on the reversing system and comprising a generator-absorber a, liquid trap and rectifier c, condenser d and evaporator f, means for returning to the liquid space of the generator-absorber any solvent collected at the bottom of the evaporator comprises a pipe e extending from the lower part of the evaporator to the liquid space of an open vessel e' which receives condensate from a pipe h and has a small outlet opening l. During the generating-condensing period the vessel e<1> fills and the end of the pipe h is sealed by liquid. At the beginning of the evaporation-absorption period solvent is sucked up into the vessel e' and back to the generator-absorber until the level sinks below the end of the pipe h. The lower part of the pipe c may be exposed to the surrounding air and may be straight, looped or ring- shaped. Bubbles of evaporated refrigerant rising in the pipe may serve to lift liquid into the vessel e<1> after the general level of liquid in the evaporator has fallen below the mouth of the pipe h. Specifications 245,124 and 265,581 are referred to.
Patent GB-939093-A (GB)
Title: Power control circuit
Inventor: LAISHLEY FREDERICK HERBERT
IPC: H03K17/73
Filed: 1961-09-18
Abstract: 939,093. Switching systems. JOSEPH LUCAS (INDUSTRIES) Ltd. Sept. 3, 1962 [Sept. 18, 1961], No. 33318/61. Class 38 (4). A switching circuit for a load 6 comprises a controlled rectifier 3 having its control electrode connected to the positive terminal 1 through an " on " switch 5 and resistor 4 and to the negative terminal through an " off " switch 8 and resistor 7. The load may be alternatively placed in the anode circuit if a suitable resistor is placed in the cathode circuit.
Patent GB-1197584-A (GB)
Title: Burglar Alarm Systems
IPC: E05B59/00
Filed: 1967-07-20
Abstract: 1,197,584. Burglar alarms. GENERAL ALARM CORP. 20 July, 1967 [28 July, 1966], No. 33319/67. Heading G4N. [Also in Division E2] A burglar alarm system comprises at least two locks, operation of one of which is sufficent to withdraw a bolt and actuate an alarm whilst simultaneous operation of said locks will withdraw the bolt and prevent actuation of the alarm. As shown, a pair of cylinder locks 42, 43, Fig. 4, are arranged in tandem on a door 12. Operation of lock 42 alone, using a conventional key, e.g. by a caretaker, will withdraw bolt 38 and so release door 12, but will also close switch 90 (Figs. 4 and 7) so as to actuate the alarm. The authorized occupant is provided with an elongated key as shown, which simultaneously operates both locks 42, 43, the latter opening switch 92 so as to prevent actuation of the alarm. A strap look 46, tensioned by a spring at its right-hand end, is also provided. A forcible entry switch 94 (Fig. 5, not shown, and Fig. 7) is arranged to operate the alarm by tilting of part of the lock 32 following excessive tension on the strap lock 46 or following an attempt to prise open the door 12 when the bolt 38 is engaged. Burglar alarm circuits.-An acoustic alarm 68 (Fig. 7) may comprise a loud-speaker supplied by an oscillator and is energized by relay 118 controlled by a thyristor 114. The thyristor is triggered either by operation of the forcible entry switch 94 or by a manual alarm pushbutton 72 or by operation of lock 42 without simultaneous operation of lock 43. The alarm may be switched off by a key-operated switch 110, operable by the authorized elongated key. All components (Fig. 5, not shown) are mounted in the same casing 36 as the lock. Protecting doors.-Any attempt to penetrate a door 550 (Fig. 9) will result in short-circuiting of conductive layers 610 and 614 by penetration of the insulating layer 612, and hence operate an alarm. The circuit connection may be led through a hollow pinned hinge 554.
Patent GB-486545-A (GB)
Title: Improvements in straight-bar knitting machines
IPC: D04B11/00
Filed: 1936-12-05
Abstract: 486,545. Knitting. BLACKBURN & SONS, Ltd., G., START, H. W., and START, E. Dec. 5, 1936, No. 33403. [Class 74 (ii)] Relates to an improved device of the kind described in Specification 442,245, for setting back the middle section B of the combined presser and sinker sley A of a Cotton's machine. To vary the effective width of the section B, so that, e.g. stockings can be made with insteps of any desired width, a group of narrow adjustable sections C is placed at each end of the section B. The sections C are two or more needle spaces wide, are tricked to carry the sinkers and are held in place by tricked recessed bars D. At each end of the sley A there is a traversing slide, the position of which determines whether a given section C can be set back with the section B or stays with the fixed part A. The slide F, for the right-hand group of sections C, carries a key or spline F<2> which projects into the part A and also engages sections C. A spline F<3> in the section B engages those sections C that are not engaged by the spline F<2> and is connected to the slide by a pin-and-slot connection F4, F<5>. The arrangement is such that, as the slide is traversed, one section C after another is engaged by the spline F<3> and released by the spline F2, or vice versa. The slot F<5> allows the sections B and C to be set back.
Patent GB-1016157-A (GB)
Title: Improvements in or relating to a pneumatic suspension device
IPC: F16F9/06
Filed: 1962-08-30
Abstract: 1,016,157. Vehicle suspensions. C. B. DE CARBON. Aug. 30, 1962 [Sept. 7, 1961], No. 33413/62. Heading B7D. [Also in Division F2] A pneumatic spring incorporating automatic means for adjusting the suspension height in dependence upon load conditions comprises a pair of telescoping tubes C, T, resiliently attached to the vehicle body 4 and axle 5, respectively, and being filled with air under pressure. A seal is provided by a resilient member a of triangular cross-section interposed between the member T and a member b having a conical seating attached to the member C. An orifice o is provided in the wall of the member T so that when the tubes expand, e.g. under diminished loading, to the extent that the orifice is revealed, air escapes and the telescoping members again retract. A duct 3 communicates with an air compressor or other supply of air pressure, its admission to the interior of the telescoping members being prevented by a spring-loaded ball valve 1. When the telescoping members contract, e.g. due to increased loading, the inner member T, which is provided with an air passage 9, trips the ball valve 1 and the admission of compressed air again expands the telescoping members. In a modification, Fig. 1, not shown, the inner tubular member T is an hydraulic vibration damper to which is attached a bearing ring 7 provided with air passages, the air venting device in this case being a ball valve 2, and grooves 8 and 9 being provided to facilitate movement of air. The device may be augmented by an additional air spring, or by an air spring which incorporates a helical spring.