baber/WOPTO huggingface dataset:
Patent GB-1462953-A (GB)
Title: Method for electrolytically removing contaminants from aqueous  media
IPC: C02F1/52
Filed: 1974-01-31
Abstract: 1462953 Electrolytic purification of liquids ANDCO Inc 31 Jan 1974 [16 Feb 1973] 4625/74 Heading C7B An ionizing medium containing contaminant ions capable both of forming an insoluble Fe compound or complex and an insoluble hydroxide, is purified by electrolysis using an anode of Fe, Fe alloy or an insoluble Fe compound, at which anode an insoluble Fe compound is anodically generated, and an inert cathode at which the said insoluble hydroxide is cathodically generated whereby an insoluble compound, species or complex of Fe and the ion is produced. The ion may be Cr (as Cr04 =or Cr 2 O 7  =) or CN, others being listed.  The insoluble product may be filtered or settled out, optionally aided by a polyelectrolyte coagulant  e.g. a polymeric reaction product of acrylamide, maleic anhydride, HCHO, K 2 S 2 O 8  and (NH 4 ) 2 SO 4 . A plurality of mono- or bi-polar electrodes may be used. The anodes and cathodes may be of the same material, permitting polarity reversal. Media treated include cooling tower waste, Cr-plating rinse bath, Cr phosphatizing solution, Al anodizing solution and foundry wastes and may be aqueous with or without alcohol. Alternate cathode and anode plates 79, 81 may be supported in grooves 73 in holder 71 and have angled bases resting on bar 77. Bus-bars 95, 87 connect the electrodes
Patent GB-645832-A (GB)
Title: Improvements in and relating to the separation of niobium from tantalum
IPC: C22B34/24
Filed: 1947-02-18
Abstract: Material containing the pentoxides of niobium and tantalum is treated with a nitriding agent, thereby selectively nitriding the niobium, and the product is treated with chlorine, bromine or iodine or a dissociation compound thereof, converting the niobium nitride into a volatile halide which distils and is condensed, the tantalum remaining as oxide.  The nitriding may be effected with ammonia at 500-900 DEG  C. or with a nitrogen-hydrogen mixture at 900 DEG  C. Overheating in the chlorination stage should be avoided by diluting the halogen with an inert gas such as nitrogen.
Patent GB-147532-A (GB)
Title: Improvements relating to fluid pressure braking apparatus
IPC: B60T15/04
Filed: 1920-02-16
Abstract: 147,532. Thomas, T. H. July 11, 1919, [Convention date]. Fluid-pressure.-In a brake in which, when the driver's valve is turned to a ' holding ' position, the auxiliary reservoirs are re-charged throughout the train and the brakes are held on by the energization of release magnets, an electro-magnetically operated valve is provided to prevent the flow of air from the main reservoir through the driver's valve to the train pipe if the current for energizing the release magnets should fail. The driver's valve 1, by which the brakes can be controlled either pneumatically or electrically, is shown with its rotary valve 10 in the ' holding ' position. In this position, the magnet 19 is energized and the valve 18 opened, and air can flow from the main reservoir 12 to the train pipe 8 through pipe 13, passage 20, valve 18, passage 17, cavity 16 in rotary valve 10, and passage 15. On failure of the current which the holds the release valves on the brake cylinders closed, the magnet. 19 is de-energized and the valve 18 closed.
Patent GB-1538404-A (GB)
Title: Doll with pivotable limbs
IPC: A63H3/46
Filed: 1977-02-04
Abstract: Dolls with articulated limbs must on the one hand exhibit sufficient rigidity and on the other hand ensure that elastic deformation can take place. It is proposed that the encapsulated joints of the doll, which are enclosed in an elastic material, be provided with slots (6) which extend parallel to the axis of the joints and that a continuously movable joint (1b, 2b) be mounted below the hip joint (1, 2). The additional joint (1b, 2b) forms a universal joint together with the existing hip joint. At least the additional joint is enclosed by a piece of clothing. <IMAGE>
Patent GB-305379-A (GB)
Title: Improvements in fire extinguishing apparatus and the method of operating same
IPC: A62C13/00
Filed: 1928-02-15
Abstract: 305,379. Morris, C. Feb. 15, 1928. Chemicals; extincteurs. -An extinguisher of the kind in which an extinguishing liquid is ejected by carbon-dioxide generated by the action of a liquid on a dry powder, comprises an outer container A, Fig. 8, charged, for example, with carbon tetrachloride to which salt has been added to prevent freezing, and an inner container consisting of two separable chambers C, D divided by a valve e on a spindle E. In the chamber D is the powder, for example sodium bicarbonate and tartaric acid of ammonium carbonate and oxalic acid, in a cylindrical annular wire gauge container d. The chamber C is filled with water. In use, the valve e is opened, the water dissolves the powder, and the carbon-dioxide generated passes to the container A by a pipe C<1> provided with a gauge cap c<1>, expelling the extinguishing liquid by a pipe. A filling plug B<1> for the chamber C is formed with passages serving to vent the apparatus when the plug is partly unscrewed. The valve e may be replaced by a puncturable diaphragm. In a modification, Fig. 2, the powder in a gauze container d is suspended from the cover of the extinguisher, and generates carbon-dioxide when acted upon by the extinguishing liquid upon inversion of the extinguisher. In a modification of this form, the powder is enclosed in a container of solid metal with port-holes to permit access of liquid to the powder. In another modification, the powder is enclosed in an imperforate container which is immersed in the extinguishing liquid and has an opening closed by a valve, the opening of which allows access of liquid to the powder. In another modification, the powder container is so constructed that the powder can be ejected on to the liquid. The Provisional Specification also describes a construction in which the powder is in a glass or like vessel adapted to be fractured by a plunger.
Patent GB-1171869-A (GB)
Title: Diagnostic Agents
IPC: A61B5/117
Filed: 1968-01-30
Abstract: 1,171,869. Diagnostic agent for fat &c. or water. BOEHRINGER MANNHEIM G.m.b.H. 30 Jan., 1968 [1 Feb., 1967; 12 May, 1967], No. 4734/68. Heading B1X. [Also in Divisions B6 and C3] A diagnostic agent for the detection of fat or similar oleaginous substances (oils, waxes, fatty acids) or water by a colour reaction comprises a film of a natural or synthetic polymer which is resistant to physical and chemical attack by oleaginous substances, is resistant to hydrolysis and is substantially non- swellable in aqueous media in which film a lipophilic or hydrophilic dyestuff is substantially uniformly distributed in dispersed but undissolved form. In preparing the diagnostic agent, the dyestuff in finely divided form is mixed with a solution or dispersion of filmforming polymer. Alternatively the dyestuff may be deposited on a solid particulate carrier such as titanium dioxide or cellulose powder and the treated carrier added to the film-forming solution or dispersion. The film may be formed on glass, wood, paper, metal foil or synthetic resin foil. Examples refer to detection of fat or fatty soap in faeces, to grease on the skin, water on a moist diaper, lipid in serum. Specification 1,159,637 is referred to.
Patent GB-494389-A (GB)
Title: Improvements in supports or stands for ambulance stretchers
IPC: A61G3/00
Filed: 1938-02-16
Abstract: 494,389. Stretcher supports for ambulance &c. vehicles. STOLLENWERK GES. Feb. 16, 1938, Nos. 4784 and 4785. Convention dates, Feb. 16, 1937 and May 8,1937. [Class 108 (i)] A collapsable stand for stretchers, adapted to be mounted on a vehicle, comprises a frame consisting of uprights b, Figs. 1, 2 connected by a bar a, pairs of horizontally-spaced arms f, i pivotally mounted at one end of the frame so as to fold upwardly or downwardly relatively thereto, and stretcher-supporting rails n resiliently mounted on and connecting each of a pair of arms so that the arms may be folded with the rails as a unit. As shown, the uprights b carry slidable sleeves c, d on which the arms f, i are pivotally mounted, the sleeves being fixed in the required positions on the uprights by means, e.g. of cotter-pins e. The uprights b, are mounted on a pedestal r carrying foldable arms o which when fixed horizontally to the pedestal by sliders p increase the stability of the stand. The arms f are formed with slotted end portions g, Fig. 5, adapted when the arms are horizontal to abut stops g<1> on the sleeves c whereas the arms i are adapted when horizontal to abut brackets l, Fig. 7, on the sleeves d. The rails n are connected by torsional, spiral, or, as shown, strip springs m to the arms f, i. In a modification, Figs. 9, 10, the rails n are mounted at the ends of transverse rods R<2> fixed to bars R 1 pivotally mounted on the arms f, the frames R<1>, R<2> being resiliently suspended by springs m engaging between plates m<1> fixed on the arms f and projections m<2> on the bars R<1>. The springs m engage pins z on the two parts.
Patent GB-1451590-A (GB)
Title: Device for the fine adjustment of an instrument table supporting an optical equipment
IPC: F16M11/04
Filed: 1975-02-05
Abstract: 1451590 Optical instrument mountings CARL ZEISS-STIFTUNG [trading as CARL ZEISS] 5 Feb 1975 [15 Feb 1974] 4835/75 Heading G2J A joy-stick controls the horizontal and vertical fine adjustment of an optical instrument mount (particularly for an opthalmic instrument) and comprises an outer rotatable sleeve 6 for height control, which sleeve is coupled for rotation with the outer race of a bearing 27 by gimbals. The outer race of the bearing also carries a toothed wheel 13 which drives a height adjustment leadscrew via a toothed belt 16. The inner race of bearing 27 is secured to the instrument table and a rod 7 passes therethrough, the rod being pivoted to the instrument table by a ball shaped lobe 22. A ball 21 at the top of the rod is slidingly and rotatably received in a bore coaxially within the sleeve 6, and a further ball 23 at the lower end engages a pad 24 in frictional engagement with the horizontal surface 25. OPERATION:- Rotation of sleeve 6 causes rotation of wheel 13 and consequent adjustment of height. Swivelling of sleeve 6 about the gimbal causes swivelling of rod 7 about lobe 22 and consequent adjustment in the x-y plane. It is stated that the separation of the gimbal from the rod pivot 22 ensures ease of rotation of the sleeve while simultaneously adjusting the x-y position, as the gimbal does not become subject to horizontal loads of great magnitude.
Patent GB-563671-A (GB)
Title: Improvements in and relating to non-return valves
IPC: F16K15/03
Filed: 1943-03-26
Abstract: 563,671. Valves. TREHERNE, J. W., and GUEST & CHRIMES, Ltd. March 26, 1943, No. 4883. [Class 135] An air vessel 8 communicates with the interior of the bodv of a non-return valve on the outlet side of the flap 4. The air may be replenished from an auxiliary vessel which communicates through a three-way cock, either with the liquid in the valve body or the atmosphere, and through another cock, either with the vessel 8 or the atmosphere. Alternatively, the vessel 8 may have valves near the top and bottom. The vessel may also have a pressure gauge, a liquid level indicator, and a lifting eye.
Patent GB-1204834-A (GB)
Title: Improvements in or relating to epoxy resins
IPC: C08G59/30
Filed: 1969-01-29
Abstract: 1,204,834. Curing epoxy resins; polymerization of monoepoxides. PPG INDUSTRIES Inc. 29 Jan., 1969 [2 Feb., 1968], No. 4913/69. Headings C3B and C3R. Epoxy resins are cured and monoepoxides polymerized by means of a metal salt complex of an imidazole. Examples are complexes of a copper salt, e.g. CuSO 4  or CuCl 2 , or a nickel salt, e.g. NiCl2, with imidazole, 2-methyl-, 2-ethyl- or 2-ethyl-4-methyl-imidazole or adducts of imidazole with ethylenically unsaturated compounds, e.g. acrylic acid. The metal salt/ imidazole ratio may range from 1 : 1 to 1 : 6. Examples relate to: (a) the curing of conventional epoxy resins, e.g. diglycidyl ethers of bisphenol A, and (b) to the polymerization of phenyl glycidyl ether. The curing agents of the invention may be used in conjunction with nitrogeneous curing agents, e.g. dicyandiamide, urea, thiourea or diallylmelamine. The mixtures of epoxy resin and curing agent are stable for long periods at room temperature but cure readily at higher temperatures, e.g. 200-500‹ F.
Patent GB-1175676-A (GB)
Title: Indeno-Pyridine Derivatives
Inventor: AUGSTEIN JOACHIM
IPC: C07D221/16
Filed: 1966-02-04
Abstract: 1,175,676. Indeno - pyridine derivatives. PFIZER Ltd. 21 March, 1967 [4 Feb., 1966], No. 4934/66. Heading C2C. Novel compounds of the general formula wherein R<SP>1</SP> is H, allyl or propargyl, R<SP>2</SP>, R<SP>3</SP>, R<SP>4</SP> and R<SP>5</SP> are each H, C 1 -C 4  alkyl or alkoxy or hydroxyl groups and pharmaceutically acceptable acid addition salts and stereo isomers thereof are prepared, when R<SP>1</SP> is H, by hydrolysing one of the following compounds wherein R<SP>6</SP> is C 1 -C 4  alkyl or an aryl substituent thereof, R<SP>7</SP> is C 1 -C 8  alkyl and R<SP>8</SP> is H, C 1 -C 3  alkyl, or an aryl or aralkyl group; the resulting product may then be reacted with allyl or propargyl halide. The intermediates of the above general formulµ may all be obtained by suitable treatment of the following tertiary amine e.g. the alkoxycarbonyl intermediate is obtained by treating the amine with a chloroformic acid ester. The tertiary amine starting material of the above general formula in which R<SP>2</SP> = R<SP>4</SP> and R<SP>3</SP> = R<SP>5</SP> can be prepared by treating acetophenone with R<SP>6</SP>NH 2  and paraformaldehyde to form a Mannich base, e.g. bis-(beta-benzoylethyl)- benzylamine hydrochloride), which is then cyclized to yield the dihydroindeno-pyridine which is then hydrogenated, e.g. using a Pd catalyst prepared in situ from sodium borohydride and a palladium salt in acid solution. When R<SP>6</SP> is benzyl or substituted benzyl, hydrogenation yields the novel compounds, where R<SP>1</SP> = H, directly; or, where R<SP>2</SP> and R<SP>3</SP> need not be the same as R<SP>4</SP> and R<SP>5</SP>, the 9-oxo compound is treated with aryl lithium to give the 9- hydrory-9-aryl compound, which is treated with acid to give the 2,3,4,4a-tetrahydro compound, which is then hydrogenated, or the 9-hydroxy-9- aryl compound may be directly reduced to the hexahydro compound with sodium in liquid ammonia. Pharmaceutical compositions comprise, as active ingredient, a compound of the first general formula above and a pharmaceutical carrier. The compositions may be in the form of tablets, elixirs or suspension, or in capsules, to be administered orally or in solutions for parenteral administration. The compositions are stated to have antidepressant activity and affect the central nervous system.
Patent GB-720114-A (GB)
Title: Improvements in or relating to aerials for use in transmitting and receiving radio signals
IPC: H01Q1/36
Filed: 1952-02-26
Abstract: The supporting core for a helical radio aerial (see Group XL(c)) comprises a bundle of continuous glass or quartz fibres of small diameter bonded by resinous material.  In one embodiment the bundle of fibres is fed through a bath of liquid synthetic resin (which may be partially cured) and is then passed through a convergent nozzle to bring the fibres into closely packed parallel formation and on to a heated straight cylindrical tube.  The resin becomes completely cured while the core material is being advanced through the tube.  The core need not be formed by the use of thermosetting resins as thermoplastic material may be used.
Patent GB-114220-A (GB)
Title: Improvements in and relating to Artificial Hands.
Inventor: PRINGLE ALEXANDER
IPC: A61F2/58
Filed: 1917-04-12
Abstract: 114,220. Pringle, A., and Kirk, T. S. April 12, 1917. Limbs, artificial.-The fingers are made of helical or other springs, or of rubber, so that they can be drawn by cords or other means into a gripping position in conjunction with an adjustably mounted thumb. In one form, Fig. 1, the fingers 2, 3 are formed of coiled springs 10 which are attached to leather backs 7 having a common base 8 secured to the hollow casing 1. Rubber finger tips 12 serve as attachments for wires 13, which are connected to points on a loosely fitting ring 14 capable of retraction by a cord 15 and thus effecting closure of the fingers. The thumb is secured on a bolt 18a by means of slots 18 which can be adjusted to different positions for varying the opening between the fingers and thumb. In modifications, the thumb also is pliable and is fitted with a wire so as to be flexed by the cord with the fingers, or it may be independently flexed by a separate cord and a lever.
Patent GB-289591-A (GB)
Title: Improvements in babies' cots or cribs
IPC: A47D7/04
Filed: 1927-02-23
Abstract: 289,591. Ellis, A. Feb. 23, 1927. Cradles; spring mountings.-A cot or crib is flexibly supported at one side, and at its ends is pivotally mounted in a frame which is resiliently secured to a fixed point. The drawing shows such a cot 1 supported by straps 12 from the back of a vehicle seat, and adjustably pivoted at 4 to the arms 3 of a U-shaped frame carrying a perforated strip 6 connected to the vehicle floor 9 by a spring 7 and strap 8.
Patent GB-467809-A (GB)
Title: Improvements in and relating to electric switches with arcextinguishing means
IPC: H01H33/70
Filed: 1937-02-22
Abstract: 467,809. Gas-blast switches. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 22, 1937, No. 5265. Convention date, Feb. 21, 1936. [Class 38 (v)] The arc formed between the fixed contact 5 and movable contact 9 on opening the circuit is drawn through a tubular member 2 made of a material which emits an arc - extinguishing gas under the influence of the arc, the member 2 projecting into the interior of a blow - out chamber 6 having a number of exhaust openings 7 leading to the atmosphere. In the construction shown, the movable contact 9 is tubular, and, in the closed position of the switch, surrounds an insulating rod 3 coaxial with the tube 2, the rod 3 being preferably made of a gas-emitting material. The chamber 6 may be of spherical or oval form, and may be secured to the framework of the switch by a pin insulator.
Patent GB-646499-A (GB)
Title: Pre-cooked frozen foods
IPC: A23L3/10
Filed: 1947-02-24
Abstract: 646,499. Preserving cooked food. SINGER FOOD PROCESS CORPORATION. Feb. 24, 1947, No. 5301. Convention date, Feb. 27, 1946. [Class 49] In preserving cooked food and preparing it for serving, the food is completely cooked and is sealed at its hot cooked temperature in containers of flexible, non- metallic material which is moisture- and air-proof, imparts no taste or odour to the food, and withstands the temperatures concerned in the process, e.g. the hot cooked food is placed (Figs. 2 and 3) in a bag of two sheets 2 of vegetable parchment supported in a cup 1 and the upper ends of the bag are brought together, twisted and encircled with a tie ring 4 of waxed cord which is then clipped at its ends with a metal clip 4a, the food in the containers is frozen, e.g. at a temperature of between 10‹F, and -20‹F, the containers are then maintained at a temperature not above 32‹F, depending on the nature of the food, and, when the food is required, the containers are immersed in boiling water.
Patent GB-936239-A (GB)
Title: Improvements in and relating to devices for use in hingedly mounting swing doors
Inventor: SEDDON FREDERICK EDWARD
IPC: E05D7/08
Filed: 1960-02-15
Abstract: 936,239. Hinges and pivots. STANMORE SPRINGS Ltd. Feb. 15, 1961 [Feb. 15, 1960], No. 5307/60. Class 65 (2). A top pivot 12a or top pivot bearing for a swing door is carried by a member 3 slidable longitudinally in a channel 1 the mouth of which is narrower than the base, the member 3 being shaped so that it cannot pass through the mouth of the channel and being adjustable longitudinally by a screw 7. The screw 7 is held captive in the channel by means of its capstan head 8, part of which projects into a slot 9 -in the base of the channel through which the screw may be turned. The pivot 12a or pivot bearing may be attached to a plate 13 slidable at right angles to the member 3 on pillars 15 attached to the member and adjustable by means of a screw 14. A slot 18 in the base of the channel provides access to the head 20 of the screw. Alternatively the adjustment of the pivot 12a may be effected by the arrangement shown in Specification 832,978. Specification 824,689 also is referred to.
Patent GB-918716-A (GB)
Title: Flammability testing apparatus
IPC: G01N25/50
Filed: 1961-02-13
Abstract: 918,716. Fabric testing apparatus. MONSANTO CHEMICAL CO. Feb. 13, 1961 [Feb. 29, 1960], No. 5314/61. Class 42 (2). A device for applying a flame to material for testing flammability of the material comprises a base, means for supporting the material, means for applying a flame to the material and means for controlling the flame applying means so as to apply the flame to the material for a predetermined time interval. As shown, a base 11 supports a table 15 vertically adjustable through cams 19 by handle 29. A flameproducing nozzle 45 is mounted for transverse movement across the table 15 on a carriage 30 which is driven through screw-rod 61 from reversible motor 60. The nozzle 45 is capable of being moved into and out of contact with the material being tested by an air cylinder 51 through lever 35. The motor 60, cylinder 51 and the gas supply are connected in an electric circuit such that on closing a switch and igniting the gas jet the flame is brought into contact with material placed on table 15 and moved across it for a predetermined time.
Patent GB-124571-A (GB)
Title: Improvements in or connected with the Construction of Boxes or Cases or like objects and of the Floors, Roofs, Walls, Partitions, or other Parts of Railway or other Vehicles or other Objects.
Inventor: COLLIER GEORGE HERMAN
IPC: B65D6/00
Filed: 1918-03-27
Abstract: 124,571. Collier, G. H., and Morris, W. March 27, 1918. Sides, floors, roofs, and partitions.-In constructional sheets or panels for use in the floors, walls, roofs, partitions, &c., of railway and other vehicles, formed of superposed sheets of corrugated material, the corrugations of which are at rightangles to each other, the corrugated sheets are formed with a plain flat border. The flattened margins of the panels are secured to cover posts 26, Fig. 2, in the construction of a box, the sheets forming the bottom having sufficient margin to enable them to be turned up to form an attachment flange 29. In the application to a building partition, shown in Fig. 3, a vertically ribbed sheet 31 is enclosed between horizontally ribbed sheets 32, 33. The interstices between the sheets may be filled in with saw-dust, asbestos, &c., to render the partition sound or fireproof, such material being held in place by the page 34. Large areas of partition are secured by bolts 37.
Patent GB-456628-A (GB)
Title: Improvements in closure caps for tubular containers
IPC: B65D47/20
Filed: 1936-02-24
Abstract: 456,628. Tubular containers. LAZARUS, G., 77, D³sseldorferstrasse, Berlin. Feb. 24, 1936, No. 5551. Convention date, Jan. 7. [Classes 66 and 125 (iii)] The closure cap of a collapsable or other tubular container includes a short length 10 of rubber or other elastic tubing disposed in alignment with the delivery orifice 5 of the tube and maintained in position by a peg 11. In the normal position the tubing serves to close an aperture 8 in the cap but distends to allow delivery therethrough of contents issuing through the orifice 5. The cap may be detachable from the container.