baber/WOPTO huggingface dataset:
Patent GB-642701-A (GB)
Title: Improvements relating to phosphors
IPC: C09K11/08
Filed: 1944-11-14
Abstract: 642,701. Luminescent materials. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Nov. 14, 1944, No. 22502. Convention date, Sept. 27, 1941. [Class 39 (i)] A phosphor consisting of zinc sulphide, selenide or sulphur-selenide is activated by at least two of the metals silver, copper and gold, the amount of these metals being between 0.00001 and 0.1 molal per cent of each with respect to the zinc compound and the relative quantities of said metals decreasing in the order silver, copper, gold. The proportions by weight of silver, copper and gold can be as 4: 2: 1. The zinc can be in part substituted by manganese and the sulphur can be in part substituted by oxygen or tellurium. In an example, 500 grams of pure zinc sulphide are moistened with an aqueous solution containing 0.1 grams of silver as a soluble salt, 0.05 grams of copper as a soluble salt, 15 grams of sodium or potassium chloride as a flux and 10 grams of barium chloride as a secondary electron emission intensifier. The wet mass is stirred to dryness and fired at a temperature above 950‹ C. and preferably within the range 1200-1300‹ C. Other fluxes which may be used are ammonium chloride, sodium bromide, hydrogen bromide and magnesium carbonate, in addition to or in place of sodium or potassium chloride. Elements or compounds of rubidium, caesium, uranium or thorium may be used in addition to or in place of barium chloride as secondary electron emission intensifiers. Specifications 201,549, [Class 39 (i)], 453,927, [Group XX], 500,404 and 517,526 are referred to.
Patent GB-654728-A (GB)
Title: Process for the chemical purification of water
IPC: C02F1/463
Filed: 1948-08-26
Abstract: Water, especially water to be used as tap water, is chlorinated to a degree slightly beyond the "break-point" and the residual chlorine is removed by dissolving in the chlorinated water by electrolysis a metal such as iron and aluminium which is capable of combining with the residual chlorine to form a salt yielding a flocculent precipitate on hydrolytic dissociation the flocculent precipitate being removed from the water, as by filtering through the flocculent layer allowed to collect.  The Specification as open to inspection under Sect. 91 comprises also the introduction into the water, after the chlorination, of a small quantity of copper ions e.g. from 0.1 to 0.3 milligrams per litre as by the addition of copper salts or by electrolytic dissolution; the purpose of this introduction of copper ions is to remove impurities in the water such as metabolic products of Algae which retard the oxidation of ferrous to ferric ions by the residual chlorine.  The flocculent layer absorbs all the copper ions. This subject-matter does not appear in the Specification as accepted.
Patent GB-1512783-A (GB)
Title: Road vehicle audio system
IPC: H03F3/68
Filed: 1974-05-21
Abstract: 1512783 Sound reproducing circuits LUCAS ELECTRICAL Ltd 8 May 1975 [21 May 1974] 22531/74 Headings H4J and H4R A road vehicle audio system has a loudspeaker driven by a main amplifier which also feeds a second amplifier incorporating a low pass filter. A further loudspeaker is driven by the second amplifier. Preferably the main amplifier is stereophonic and feeds two stereophonically related loudspeakers. A cartridge or cassette player or radio 41 feeds a stereophonic amplifier 42 whose outputs are applied to loudspeakers 43, 44 positioned under the front seats of a road vehicle as described in Specification 1,404,316. A bass boost amplifier 40 having a low pass passive filter and a feedback path which provides a low pass active filter is connected between the outputs of stereophonic amplifer (42), (see Fig. 1, not shown) and a loudspeaker 36 located virtually anywhere in the vehicle. A potentiometer (18) in amplifier (40) (see also Fig. 1) sets the level of sound from speaker 36 relative to the sound from speakers 43, 44. Volume control 42a of amplifier 42 affects the sound signal from loudspeaker 36 and tone controls 42b may also affect this sound signal. The amplifier 40 is described and claimed in Specification 1,512,784.
Patent GB-500957-A (GB)
Title: Improvements in or relating to indicator panels for variable set ups of lines or circuits
IPC: B61L25/08
Filed: 1937-08-17
Abstract: 500,957. Miniature diagram indicators. STANDARD TELEPHONES & CABLES, Ltd., GRIFFITHS, J. B., and BROWN, A. Aug. 17, 1937, No. 22586. [Class 105] [Also in Group XXXVIII] For'indicating railway track points &c. in a mimic diagram a single indicator is provided which has a central angularly placed screen, 12 and a pair of shielded lamps 17, 18 selectively lit to illuminate the cut-away portions 6, 7 of the indicator stencil. The transparent face of the indicator is arranged so that when in position, it is flush with the face of the indicator panel.
Patent GB-1154008-A (GB)
Title: Process for the Removal of Suplhur Oxides from Gas Mixtures and an apparatus therefor
Inventor: HELDEN MATTHEUS GEUDEKE HENRIC
IPC: B01D53/04
Filed: 1966-11-28
Abstract: 1,154,008. Gas/solid contact apparatus. SHELL INTERNATIONALE RESEARCH MAATCHAPPIJ N.V. 27 Nov., 1967 [28 Nov., 1966; 16 May, 1967], Nos. 53141/66 and 22589/67. Heading B1F. [Also in Division C1] An apparatus, Fig. 1, for the removal of sulphur oxides from gases has an acceptor material 2 behind gas-permeable walls 4 spaced apart to form gas channels 1. The acceptor is preferably copper oxide or an alkali metal oxide promoted with a vanadium oxide on a carrier which may be a metal or 'silicon oxide. Preferred embodiments are as in Fig. 4 in which the channels 10 are formed in a matrix of the absorber 11 by forming bores of gas permeable material in a cylindrical housing 12 which can then be filled with absorber, and Fig. 5 which shows the absorber confined in alternate annular spaces formed by walls of gas permeable material.
Patent GB-927245-A (GB)
Title: Improvements in or relating to vegetation-cutting machines
IPC: A01G3/00
Filed: 1961-06-22
Abstract: 927,245. Rotary-scythe mowers; hedge-cutters. A. BORDIER, and R. BORDIER. June 22, 1961, No. 22600/61. Classes 6(2) and 6(3). A machine for cutting brushwood and hedges comprises a horizontal transverse arm 6 mounted on a chassis 7 at its inner end and carrying a platform 3 at its outer end fitted with rotary knives 36 and fixed knives 65. The chassis 7 is rectangular and is mounted on draught-links 8, 9, on a tractor 1. The arm 2 is mounted in a rotatable bearing-sleeve 13 pivoted about a vertical bolt 14 on the chassis, the arm being slidably adjustable in the sleeve. The arm also passes through a second pivoted sleeve 16 in which it can move laterally against spring- pressure, adjustable by a bolt 24. The platform 3 is carried by an arm 2 which is adjustable about a horizontal pivot 5 on the end of the arm 6. The rotating knives are secured to hubs 39 and have lateral blades 37 and serrated outer edges 64; spade-shaped or lanceolate blades may also be used, Figs. 8, 9 (not shown). The fixed blades 65 are serrated, the serrations being inclined in opposite directions in adjacent sections and they may be arranged in a single line or in groups forming re-entrant portions for gripping thick stalks, Figs. 7, 12 (not shown). In Fig. 10, the chassis-mounting includes a pair of vertical rings 75 engaging one another through rollers, one ring being attached to the draught-links and the other carrying the chassis 7a. Relative movement between the rings is effected by a hydraulic ram 81 connected between them, the platform thus being raisable into the dotted positions 3d, 3e. The arm may be extended by a portion 80. Drive is transmitted from the tractor take-off 56 to the cutters by jointed shafts, such as 53, and a gear box 54 mounted on the chassis 7. Excess movement of the arm 6 about the pivot 14 may operate means (not shown) for declutching the tractor motor.
Patent GB-730399-A (GB)
Title: Improvements in or relating to panel forming machine
IPC: B29C43/00
Filed: 1952-09-09
Abstract: 730,399. Compound sheet materials. KERR & CO., Inc., A. H. Sept. 9, 1952, No. 22643/52. Class 140. A panel-forming machine comprises two mandrel assemblies movable into and out of a press, means for supporting a stack of sheets of panel-forming material, means for moving one of the sheets from the supporting means into the press, means for moving one of the mandrel assemblies on to the sheet of material in the press, a mechanism for placing slats against the sides of the mandrels in the press, means for placing the second assembly of mandrels into the spaces between the slats resting against the sides of the mandrels in the press, means for transferring a second sheet from the supporting means to a position on top of the mandrel assemblies, means for heating the press and the mandrel assemblies so as to form the sheets and slats into an integral homogeneous panel. As shown, a carriage 16 movable in and out between heated platens 10, 11 secured to the bed 1 and ram 2 respectively of a hydraulic press, has mounted thereon cylinders 17 fitted with hydraulically or pneumatically operated pistons, the rods 18 of which support a tubular subcarriage 20 connected to a source of air suction or pressure by conduit 35 and carrying a series of tubular stems 30 in which slide pistons 32 fitted at the ends with suction cups 33 and two series of levers 46, 47 pivoted respectively to rods 52, 53 and adjustable from the position shown in chain lines in Fig. 10, in which position with the sub-carriage 20 raised slats 42 are pushed manually into the space between the levers and plates 45 and held by suction against the levers and supported on the ledges 45A, to the position shown in full lines in Fig. 10 with the subcarriage lowered thus allowing the slats to be seated, after reversing air pressure, against the sides of mandrels 44 (Fig. 6) previously advanced into the press and placed on a sheet 29 of panelforming material picked up by the suction cups 33 from a receptacle 28 before the carriage 16 was advanced between the platens of the press after which movement the sheet 29 was deposited on the platen 10 by lowering the subcarriage 20 and releasing the suction on the cups 33, the sub-carriage 20 then being raised and the carriage 16 withdrawn from the press, another sheet 29 picked up and on return to the press deposited on top of a second mandrel assembly 68 which, in the meanwhile, has been advanced into the spaces between the slats seated against the sides of the first mandrel 44 and after removal of the carriage 16, the ram of the press being then lowered to apply a predetermined amount of pressure against the material surrounding the mandrels and heat is applied to the latter and to the platens for a definite period after which the mandrels are retracted and the ram elevated whereupon the finished panel is removed and the carriage assembly loaded to commence a new panel-forming operation.
Patent GB-868860-A (GB)
Title: Improvements in or relating to a method of and apparatus for marking lines on roads and other surfaces
Inventor: VEYRET ANDRE FREDERIC
IPC: E01C23/18
Filed: 1958-07-15
Abstract: 868,860. Line markers. SOC. LACOLLONGE-FLEXONE. July 15, 1958, No. 22667/58. Class 132(2). [Also in Group X] A method of sticking a marking strip on to a road or like surface comprises the steps of laying a layer of fusible bitumen on to the surface, melting the bituminous layer by application of heat, and applying the marking strip under pressure to the mass of hot bitumen to secure it in the required position. The bitumen may be applied to the surface in the form of a band from a wheeled apparatus having means for heating the applied bitumen. The marking strip may also be supplied from a container on theapparatus, at least the underside of the strip being heated as it is dispensed. Pressure is applied to the laid strip by a shoe forming part of the apparatus. The strip which may be of vinylic resin, polyvinyl chloride or copolymers of vinyl acetate and chloride, is preferably cut transversely into sections after having been laid.
Patent GB-278502-A (GB)
Title: An improved parallel ruler
IPC: B43L7/12
Filed: 1926-09-14
Abstract: 278,502. Caplin, J. Sept. 14, 1926. Rulers. - In a parallel ruler in which the parallel movement is produced by diagonallyarranged links B pivoted together at their centres C and attached to the ruler members A by fixed pivots D and slidable pivots E. the inner edges of the members A are provided with attached strips M each of which receives at one end of the pivots D and is slotted at its other end to receive a stud E forming the slidable pivot. A spacing device is provided consisting of a plate I secured to one member A and a slotted graduated plate L which can be adjusted with respect to the other members A and secured by a stud H. The plate I has an index K co-operating with the scale on the plate L.
Patent GB-871969-A (GB)
Title: Process for expressing liquid from a mass by means of a screw press
IPC: B30B9/12
Filed: 1958-07-15
Abstract: 871,969. Presses for separating liquids from solids. STORK & CO.'s APPARATENFABRIEK N.V. GEB. July 15, 1958 [July 18, 1957], No. 22709/58. Class 46. Liquid is expressed from oleaginous seeds or the like by rotation of screw 4, after which the screw is moved to the right by admission of hydraulic fluid to the left of a piston 7 in cylinder 8, in order to effect further expression of liquid from the seeds. Rotation may or may not take place during the second stage. Thereafter the plate 6 is removed and the cake expelled by further movement of screw 4 to the right.
Patent GB-1503963-A (GB)
Title: System for operating hydraulic apparatus
IPC: F15B21/04
Filed: 1975-05-23
Abstract: 1503963 Fluid pressure control circuits CHEVRON RESEARCH CO 23 May 1975 [10 June 1974] 22738/75 Heading F1P [Also in Division E1] A closed hydraulic system for operating devices 20, such as blow-out preventers, comprises a pair of hydraulic accumulators 22, 24 which are alternately pressurized by connection to a pressurized gas receiver 42 to operate the device and reduced in pressure by connection to a low-pressure gas receiver 58 to serve as a receiving chamber for hydraulic fluid discharged from the device, the alternation of the accumulator pressures being such that when one accumulator serves to operate,the device with pressurized fluid the other accumulator serves as a low-pressure receiving chamber. The switching-over of the accumulators is effected by means of a pressure-sensitive device 94 which senses the fluid pressure in the discharge conduit 80 of the device 20 and switches over valves 66 and 38 located in the hydraulic fluid supply conduits 60, 68 and pressurized gas conduits 40, 56, respectively. A plurality of devices may be operated by the two accumulators, Fig. 3, (not shown), and several accumulators may be provided. The system is divided into three sub-assemblies, the first 10 being located above surface and including the gas receivers 42, 58 and a control console 96, the second 12 includes the valves and pressure sensitive device 94 and is lowered to the wellhead by means of cables (182), Fig. 4, (not shown), and the third 14 includes the device 20 and accumulators and is secured to the wellhead.
Patent GB-973305-A (GB)
Title: Coating compositions and the production of coatings therewith
IPC: C09D127/06
Filed: 1962-06-13
Abstract: Compositions suitable for coating metal surfaces comprises in the form of a paste-like mixture a vinyl chloride polymer having a substantially uniform particle size in the range 1 to 60 microns and a K value of 60 to 80, and an ester of an epoxide with an air-drying fatty acid.  The polymer may be polyvinyl chloride or a copolymer of vinyl chloride with another vinyl ester.  The epoxides may be epoxides of hydrocarbons, esters, ethers, alcohols, amides, ketones or acetals, and are preferably polyepoxides of molecular weight below 2,000, many suitable compounds being listed.  The air-drying fatty acid may be derived from linseed, tall, tung, soya bean or dehydrated castor oils, and may be used in conjunction with small quantities of dimers thereof, e.g. dilinoleic acid, and non-hardening acids, e.g. abietic acid.  The esters may be subjected to controlled molecular enlargement in the presence of a catalyst or drier, and the pastes may also comprise plasticizers and diluents, e.g. dioctyl phthalate, butyl acetate and xylene, and modifiers such as epoxidized soya bean oil, vinyl cyclohexene monooxide, pinene monoxide, dipentene diepoxide, tetrahydrofuran and the polyepoxide of soya bean fatty acid ester of tricyclo-[5, 2, 1, 02,6]-dec-3-ene-9-ol. Examples describe compositions comprising polyvinyl chloride and (1) the ester of dehydrated castor oil and 3:4-epoxy-tricyclo-[5, 2, 102,6]-decanyl-9-epoxyallyl ether, together with (2) dioctyl phthalate and (3) dioctyl phthalate and diisobutyl ketone or benzine; and (5 to 24) esters of various polycyclic epoxides with dehydrated castor oil or mixtures thereof with dilinoleic acid, or soya bean fatty acids.
Patent GB-1417535-A (GB)
Title: Flame retardant polyester compositions
IPC: C08L27/00
Filed: 1974-05-22
Abstract: 1417535 Polyester coated wire GOODYEAR TIRE & RUBBER CO 22 May 1974 [14 June 1973] 22785/74 Heading B2E [Also in Division C3] Electrical conducting wire is extrusion coated with a flame retardant polyester composition comprising (a) a copolyester, optionally blended with a homopolyester, having an intrinsic viscosity of at least 0.5, (b) from 5 to 10% by weight, based on the total weight of the composition, of polyvinyl chloride, and (c) from 5 to 10% by weight, based on the total weight of the composition, of antimony trioxide, boron trioxide, tetrabromophthalic anhydride, tetrachlorophthalic anhydride or chlorendic acid anhydride. The Examples describe coating wire with compositions comprising (a) a blend of polytetramethylene terephthalate or polyethylene terephthalate with a copolyester derived from isophthalic acid, terephthalic acid, sebacic acid and tetramethylene glycol, (b) polyvinyl chloride and (c) tetrabromophthalic anhydride or antimony trioxide or a mixture of antimony trioxide and chlorendic acid anhydride.
Patent GB-1100184-A (GB)
Title: Improvements in or relating to electrical impulse counting devices
Inventor: BURMESTER HEINO
IPC: G06M1/27
Filed: 1965-05-28
Abstract: 1,100,184. Counting-apparatus; read-out. LICENTIA PATENT - VERWALTUNGSG.m.b.H. 28 May, 1965, No. 22831/65. Headings G4D and G4H. The wheels of a counter carry stepped cams 11-14 so that at the end of a measuring operation the counter can be read by sensing racks 21-24, the differential movements of which operate appropriate combinations of levers, such as 110, bearing permanent magnets whereby the reading of the counter is transferred in binarycoded decimal form over reed contacts such as 133 to a computer. A continuously operating motor 1 stresses a spring 5 so that an incoming pulse to magnet 25 releases pinion 7 which makes a single rotation. At the end of a measuring period a motor 30 moves carriage 20 towards the counter, carrying along the sensing racks until the associated pawls 42 trip as the racks contact cams 11-14. After read-out the carriage 20 is returned and the counter is restored by its grooved spindle 18.
Patent GB-301123-A (GB)
Title: Improvements in electrical and wireless testing apparatus
IPC: H04B17/00
Filed: 1927-08-31
Abstract: 301,123. Hosken, S. T. Aug. 31, 1927. Detecting faults; current detectors; combinations of instruments.-An instrument for testing wireless apparatus such as batteries, thermionic valves, inductances, chokes, transformers, condensers, loud-speakers, and telephones comprises a two-range voltmeter A, a thermionic valve holder, flash-lamp bulb holder N, and a lowvoltage battery E mounted on a panel fitted to a cabinet. The filament sockets 0, P of the valve-holder are connected in series with the battery E and the low-range coil of the voltmeter A for testing the continuity of the filament. Flexible leads L, M are connected to the lampholder N for testing small batteries. A pair of flexible leads J, K are connected to the filament sockets for testing the filaments of valves in sealed containers, a pair of insulated valve sockets being attached to the leads for connecting to the valve filament pins. Flexible leads B, C, D are also connected to the three voltmeter terminals.
Patent GB-693559-A (GB)
Title: Improvements relating to theft-prevention apparatus
Inventor: SAPERSTEIN HARRY
IPC: G08B15/00
Filed: 1949-09-05
Abstract: 693,559. Theft prevention apparatus. RELYA-BELL BURGLAR AND FIRE ALARM CO., Ltd. Sept. 5, 1950 [Sept. 5, 1949], No. 22982/49.- Class 118 (i) [Also in Group XVIII] Theft-preventing apparatus for shop windows or the like comprises a shelf movable between a display position and a safety position in which the goods are rendered inaccessible, and electrically controlled means for moving the shelf to the safety position upon the breakage of a fine wire extending across the window. Goods may be displayed on shelf 1, which is situated behind a glass window 4 containing wires 11, and is retained in the display position by latch 5 controlled by relay 7. Upon breakage of wire 11, a normally operated relay 10 releases to close contacts 9, which energize relay 7. Shelf 1 then falls about hinge 2 allowing the goods to fall into a safe repository 14, and the shelf may be arranged to operate contacts 17 and 20 which operate an alarm 19, release latch 16 so that cover 15 closes the repository 14, and also break the circuit of relay 7 to avoid current wastage. Cut-out switch 21 is provided for maintenance purposes. The wire 11 may be on a frame extending close to the windows. Power is supplied from battery 8, which is trickle charged from the main supply.
Patent GB-225944-A (GB)
Title: Improvements in and relating to resinous compositions
IPC: C09F1/00
Filed: 1923-09-13
Abstract: 225,944. British Thomson-Houston Co., Ltd., (General Electric Co.). Sept. 13, 1923. Resins &c.-Natural aromatic resins, as acroides gum, or gum benzoin, are rendered infusible by heating them in the presence of formaldehyde to about 160‹ C. Hexamethylenetetramine &c. may be the source of formaldehyde. The resin may be powdered or in solution, and for a moulded article is mixed with about 10 per cent of its weight of hexamethylenetetramine. Fibrous or other fillers may be added as usual.
Patent GB-504093-A (GB)
Title: Improvements relating to the air-conditioning of motor-vehicles
IPC: B60H1/24
Filed: 1938-08-04
Abstract: 504,093. Ventilating vehicles. ARMSTRONG SIDDELEY MOTORS, Ltd., and OLIVER, C. S. Aug. 4, 1938, No. 23020. [Class 137] [Also in Group XIII] Water from the engine cooling system is taken off at 16 and passed through two spaced series of copper pipes 28 traversing a casing 26 placed below the front seat 13 in the vehicle. The hot water circulation may be controlled by a valve connected with a control accessible to the driver, and the water is returned to a connection 19 between the lower end of the cooling radiator and a circulating pump. 21. When the vehicle is driven forward, air is taken in through a controlled opening 23 at a point remote from the engine compartment, and passes over the pipes 28 to openings 25 in the front and rear faces of the casing 26 from which it is distributed to the front and rear compartments of the vehicle. When warm air is not required, the hot water circulation is cut off and cool air alone is admitted to the vehicle. The air passage 24 may be provided with a fan for use when the vehicle is stationary.