baber/WOPTO huggingface dataset:
Patent GB-379440-A (GB)
Title: Improvements in variable speed hydraulic transmission mechanisms
IPC: F16H61/42
Filed: 1931-06-22
Abstract: 379,440. Hydraulic transmission of power. WATERBURY TOOL CO., East Aurora Street, Waterbury, Connecticut, U.S.A. June 22, 1931, No. 18005. Convention date, Aug. 28, 1930. [Class 69 (ii).] Means for driving the elements of a single machine, e.g. the rolls of a a paper machine, or independent elements of different machines, comprises a pump 10, Fig. 1, and motors 11 arranged in series. The pump and motors may be of the swashplate type, and means are provided for varying the pump capacity. The capacities of the motors may also be varied in which case a padlock 37, Fig. 3, is used to lock a disc 32 in adjusted position.
Patent GB-731494-A (GB)
Title: Improvements in and relating to devices for filling liquid into electric accumulators and other liquid containers
IPC: H01M50/673
Filed: 1953-06-29
Abstract: 731,494. Batteries. GRAVESTOCK, V. R. June 29, 1953 [Oct. 3, 1952; March 12, 1953], No. 18011/53. Class 53. A device for automatically maintaining the acid level in an accumulator consists of a reservoir 1 having a screw-threaded boss 3a which is provided with an opening 12 leading to a tubular extension 3b of smaller diameter than the boss. A tube 8 having openings 10 is slidable in the tubular extension 3b. A vertical groove in the boss 3a leading to a horizontal groove 13a allows gas to escape from the accumulator.
Patent GB-1055176-A (GB)
Title: High voltage electrical insulators
IPC: H01B17/14
Filed: 1964-04-30
Abstract: 1,055,176. Insulators. SOUTH WALES SWITCHGEAR Ltd., and S. TAYLOR. April 22, 1965 [April 30, 1964], No. 18013/64. Headng H2C. A ring 6 of electrically conducting material is so disposed in relation to bushings 1 in a high voltage insulator that reptiles or vermine attempting to crawl along the insulator cannot void making contact with the ring. The ring, insulated from earth, acquires a potential determined by the field surrounding the insulator, and the reptiles receive a shock on making contact. As shown, the ring 6 is supported by insulating columns 3 secured by brackets 4 to the base 5 of the bushing, but it may also consist of an applied coating of metal paint.
Patent GB-451382-A (GB)
Title: Improvements in or relating to colliery tubs, corves or wagons
IPC: B61D11/02
Filed: 1935-06-25
Abstract: 451,382. Railway and like wagons. ODDIE, W. M., Inwood, Benton Hill, Horbury, near Wakefield. June 25, 1935, No. 18130. Addition to 381,522. [Class 103 (iv)] In a colliery tub or like wagon as described in the parent Specification the flanges 5, which are provided along the vertical edges of certain of the wall sections to overlap the joints with adjacent sections, are extended to fit in and around the corners of the tub &c. so as to strengthen the corners and permit the use of a row 6 of bolts or rivets on each side of the corner. In the construction shown, the right-angled flanges 5 are formed on the flat sides 2 and co-operate with bent end sections 1, but they may be formed on flat end sections and co-operate with bent side sections.
Patent GB-518609-A (GB)
Title: Improvements in articles of wearing apparel made of elastic material
IPC: A42B1/12
Filed: 1939-06-22
Abstract: 518,609. Bathing caps &c. HOWLAND, T. J. June 22, 1939, No. 18177. Convention date, July 30, 1938. [Classes 17 (ii) and 63] Rubber and like articles of wearing apparel such as bathing caps, rubber boots, are provided with means for preventing water entering the interior comprising a rib contacting with the body of the wearer extending around the opening, the rib terminating at its free end in a thin edge located on one side of the centre line of the rib. The rib may have a fin on the opposite side of the centre line, and pairs of ribs may be braced by crossed ribs. Flexible ribs may be added on the outside of the edge portion of a bathing cap. Sponge rubber pads may raise the cap from the ears. Two pairs of ribs 23 may be provided inside the edge of a bathing cap, the pairs being braced by zig-zag ribs 24. A thin edge extremity 25 off-set from the centre line of the rib is separated by a groove from a fin 26, the free end of the rib being concave. Ribs 30 are added on the outside of the cap, those 32, adjacent the ears being longer than the others. Sponge rubber pads 33 are positioned inside the cap opposite the ribs 32. The shape of the inside ribs causes them, in use, to bend so that their concave portions engage the head. More than one fin may be provided. Supporting means for a plurality of ribs may be connected with the cap above or below the ribs.
Patent GB-686037-A (GB)
Title: Method of and apparatus for producing aluminium
IPC: C22B21/00
Filed: 1950-07-20
Abstract: 686,037. Extracting or refining aluminium. VEREINIGTE ALUMINIUMWERKE AKT.-GES. July 20, 1950 [Oct. 1, 1948; Oct. 1, 1948], No. 18206/50. Class 82(i) A method of refining or producing aluminium from aluminiferous raw materials by treating the materials with aluminium halide vapour and separating the abs o bed aluminium from the vapour by cooling, characterized in that the reaction gas is circulated without the aid of mechanical means by effecting the absorption of aluminium in known manner at a heated zone and separation of the aluminium from the circulating gas at one or more cooling surfaces maintained at a lower temperature than the heated zone, and preferably cooled by a cooling medium, which separating surface or surfaces is or are located at a higher level than the heated zone. Apparatus for carrying out the reaction comprises a tower-like reaction and separation vessel which is closed at the bottom by a heatable trough to hold the molten aluminiferous material and is cooled in the upper parts and has, internally, beneath the cooling zone, a horizontal ring adapted to receive pure aluminium running down the walls. In the modification shown in Fig. 2 the separating surface is formed by a number of internally cooled bodies 13, 13<SP>1</SP> projecting into the space containing the gaseous compounds formed by the reaction, which are so designed as to have a temperature field having the highest possible temperature gradient in their vicinity. These projecting bodies may be of cylindrical or conical form. A receiving vessel 14 is situated immediately below the cooled bodies to collect molten aluminium dripping from the said bodies and to shield these bodies from direct heat radiation from the heated zone. The receiving vessel projects to the outside of the tower to permit withdrawal of molten aluminium. To maintain gas pressure within the tower the apparatus may communicate with a heated reservoir vessel for aluminium trichloride which is filled with a salt melt adapted to dissolve the aluminium trichloride, e.g. a melt of halides of alkali and/or alkaline earth metals. Specification 582,579 is referred to.
Patent GB-1172539-A (GB)
Title: Improvements in or relating to Methods and Apparatus for Classifying Patterns
Inventor: REID COLIN DAVID
IPC: G06V10/88
Filed: 1966-10-12
Abstract: 1,172,539. Pattern recognition. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 2 Oct., 1967 [12 Oct., 1966; 20 April, 1967], Nos. 45704/66 and 18324/67. Heading G4R. [Also in Division G2] Apparatus for pattern classification produces a diffraction image from the pattern, and electrical signals corresponding to the variation of illumination over at least a portion of the image, and performs a frequency analysis. Collimated light, e.g. from a laser and optics, is passed through a transparency (of a character, e.g. fingerprint, to be identified) or internally reflected at a face of a prism on which a finger is being held, and then focused by a lens to produce a diffraction pattern of the character which is focused on to a scanning disc having two co-linear radial slits with radial edges and which rotates relative to the character. A photomultiplier behind the scanning disc feeds the detected waveform for frequency analysis, followed by comparison of the resulting codes with stored codes, to identify the character. Alternatively a series of scanning discs can be used in turn, each having optical transmissivity which varies sinusoidal circumferentially, each disc having a different number of sine periods. This gives the frequency analysis directly. Instead of the circumferential scan above, a radial scan may be done using an annular slit of varying diameter, successive selection of a plurality of annular slits of different fixed diameters, or varying the magnification of the diffraction pattern image on a fixed annular slit. A combination of circumferential and radial scanning may be used. Fig. 8 shows the scanning disc 18 having two slits 19 referred to above superimposed on a second disc 20 with apertures 21. The two discs are rotated relative to each other, e.g both are rotated at slightly different speeds to scan successive annuli in turn. The scanning disc 18 may alternatively be superimposed on the disc shown in Fig. 9 which has different (prime) numbers of transparent and opaque regions in different annuli. The variation of transmissivity in each annulus could be sinusoidal rather than square-wave as shown in Fig. 9. Mechanical scanning as above may be replaced by a stationary plurality of concentric rings of photo-detectors, signals from different sectors and annuli of this array being added and subtracted in various combinations to obtain the amplitudes of various spatial frequencies.
Patent GB-683161-A (GB)
Title: Improvements relating to heat-exchangers
Inventor: HITCHEN ERIC MORGAN
IPC: F28F1/04
Filed: 1950-07-22
Abstract: 683,161. Tubular heat-exchange elements. MORRIS MOTORS, Ltd. July 2, 1951 [July 22, 1950], No. 18359/50. Class 64 (iii) A thin-walled narrow heat-exchanger tube of quasirectangular cross-section, fabricated from a pair of rectangular metal sheets is characterized in that the noses of the tube are constituted by compact zig-zag folds B formed in one or both of the sheets, the latter being juxtaposed and bonded at the two tube-nose joints. The folds may be formed in the two opposite edges of one sheet whilst the other sheet is left flat (Fig. 5), or both sheets may have folds in their two opposite edges (Fig. 4), and a central reinforcing partition formed by folding one or both sheets intermediate the tube-nose joints, or a fold may be formed in one edge only of both sheets (Fig. 6), the two sheets forming a tube then being identical. One sheet may be formed with flanged ends G constituting a tray to receive the folded ends of the other sheet (Fig. 7) or the ends of one sheet may be formed as channels to receive the folded ends of the other sheet. Corrugated tube stiffeners may be fitted between the tube walls. The invention is said to be particularly applicable to aircraft heat exchangers of aluminium or aluminium alloy brazed construction the bonding medium being an aluminium-silicon alloy. Specification 7711/05, [Class 99], is referred to.
Patent GB-1406989-A (GB)
Title: Conveyors
IPC: B66B21/12
Filed: 1971-06-01
Abstract: 1406989 Railway systems DUNLOP Ltd 31 Aug 1972 [1 June 1971 19 May 1972] 18373/71 and 23578/72 Addition to 1127433 Heading B7L A conveyer comprises a plurality of platforms 1 moving with a constant velocity in a first direction Y at a feed-in point 2 and increasing their speed in a second direction X normal to the first direction as they travel to a feed-out point 3, the drive means producing the motion in direction Y consisting of pairs of gearwheels 6 drivably interengaged, on each side of the conveyer, by means of chains and sprockets 7, and adapted to engage linear racks 4 on the bottom face of the platforms and the drive means producing the motion in direction X consisting of a rack 5 having teeth curved from one longitudinal side to the other of the rack in the form of a parabolic curve and engageable by gear-wheels 10 having speeds which increase towards the feed-out point 3, these wheels being driven from a common drive shaft 8 and interconnected by sprockets and chains 9. The gear-wheels 6 and 10 consist of a disc having radially extending rotary teeth 12 attached by pegs 13. Guides 15 steer the platforms between the points 2 and 3.
Patent GB-732490-A (GB)
Title: Improvements in heat insulating walls of cold-storage chambers
Inventor: MUNTERS CARL GEORG
IPC: B61D27/00
Filed: 1953-07-03
Abstract: 732,490. Heat insulation. ISOLERMGSAKTIEBOLAGET W. M. B. July 3, 1953, No. 18463/53. Class 64 (2). In a heat-insulating wall for a cold-storage chamber, comprising an outer shell 10 and an inner lining 12 both allowing penetration of moisture, and a moisture-diffusion barrier 14 adjacent to the outer shell, heat insulation 16 extends from the diffusion barrier 14 towards the lining 12 for such a distance as to be located outside the zone of condensation of water vapour penetrating inwardly from the outer air through the diffusion barrier. Moisture is precipitated in a space 26 between the insulation 16 and the lining 12, and the bounding walls of the space allow the condensate to flow to a drain and prevent it from wetting the insulation. A layer of material between the space 26 and the insulation 16 permits inward diffusion of water vapour but prevents the precipitated water from wetting the insulation. In .the vertical wall of the railroad car shown, this layer is a sheet 18 of metal, water-proof paste-board, &c., having perforations formed by pressing out lugs 20. In the floor, the layer 22 is corrugated and has openings in its upper ridges. Plane sheets 28 and alternating plane and corrugated sheets 30, 32 of waterproof paper, plastic, &c., are provided in the spaces 26 of the wall and floor respectively. Channels 34 for collecting condensed moisture are provided.
Patent GB-1012284-A (GB)
Title: Electrothermic production of carbon disulphide by fluidized bed techniques
IPC: C01B31/26
Filed: 1963-05-10
Abstract: <PICT:1012284/C1/1> Carbon disulphide is produced by passage of a gas containing hydrogen sulphide and at least one normally gaseous hydrocarbon through a fluidized bed of electrically conductive carbon particles maintained at 900-1500 DEG  C. by passage of an electric current therethrough, carbon disulphide being recovered from the exit gases.  The reactant gas may be a "natural gas" either containing hydrogen sulphide or one to which hydrogen sulphide has been added. The gaseous hydrocarbon and hydrogen sulphide may be mixed with a non-reactive gas and may be passed through the fluidized bed in a plurality of streams, or alternatively, one stream may comprise a major proportion of hydrogen sulphide and at least one stream may comprise a major proportion of normally gaseous hydrocarbon. As shown, the reactor 1 of silica glass contains a thermal insulation layer 9 and electrically conductive bed 4 of calcined fluid petroleum coke particles.  Graphite electrodes 6 and thermocouple well 7 extend into the bed, which has a graphite gas disperser 3 and gas inlet tube 2 situated therein.  Exit gases pass through side arm 5, via a glass wool filter, to adsorption towers containing activated carbon. After each run, steam was passed through the towers and carbon disulphide was separated from the condensate.  The relative amounts of hydrogen sulphide and hydrocarbon gas introduced into the reactor are not critical and they may vary from 1 : 20 to 20 : 1.  The non-reactive gas may be nitrogen or hydrogen. Yields can be increased by recycling the unconsumed hydrocarbon and hydrogen sulphide. The hydrogen values of the reactants may be recovered as hydrogen.
Patent GB-411690-A (GB)
Title: A process for obtaining growth-exciting substances from thymus glands
IPC: A61K35/26
Filed: 1933-06-30
Abstract: An extract of thymus glands, rich in growth-exciting substances, is obtained by extracting a water-soluble extract of the glands with an aqueous solution of 70 per cent strength of an aliphatic alcohol, and then expelling the solvent from the part which goes into solution. The extract so obtained may be further purified by precipitation from its solution in water, by means of a soluble mineral salt such as ammonium sulphate.  Suitable alcohols are methyl, ethyl, propyl and isopropyl.  The water-soluble extract used as a starting material may be obtained: (1) by extracting thymus pulp with an alcohol, filtering and evaporating the extract, extracting the residue simultaneously or alternately with water and an immiscible solvent, separating the aqueous layer, precipitating albumen therefrom and evaporating the clear liquid; or (2) by removing growth-retarding substances from the glands by extraction with acetone or ether, extracting the growth-exciting substances from the remaining gland material with water, precipitating albumen and, if desired, evaporating the clear solution to dryness.
Patent GB-1471448-A (GB)
Title: Window cleaning tool
IPC: A47L1/06
Filed: 1975-04-29
Abstract: 1471448 Cleaning windows COLUMBIA PRECISION PRODUCTS Ltd 29 April 1975 [29 April 1974] 18750/74 Heading A4F A window cleaning tool comprises a member 10, 11 foldable about an axis 13 and having attached to it a sponge 20; a squeegee blade 29 attached to part 10 of the member; and a handle 18 attached to part 11. Fig. 4 shows a first position for washing a window and Fig. 2 a second position for wiping, the member 10, 11 being held in the folded position by a releasable catch mechanism.
Patent GB-1331329-A (GB)
Title: Air pressure operated dispenser
IPC: B65D83/14
Filed: 1971-06-03
Abstract: 1331329 Spray producers CIBA-GEIGY AG 3 June 1971 [9 June 1970 19 Nov 1970] 18823/ 71 Heading B2F In a spray producer having a manually operable piston pump for producing compressed air to serve as a propellant, a valve is opened by the piston at the end of its compression stroke to release a flow of air, which aspirates the spray material through a spray nozzle. On covering hole 78 with the finger and exerting downward pressure, on plunger 80, piston 77 compresses the air in cylinder 69 until, on contact with valve 70, it releases the air into Venturi nozzle 66. The downward pressure opens valve 61 so that the spray material is also delivered, from container 60, through the nozzle 66. A detachable container 60 may enclose a flexible sac (92 Fig. 9, not shown). In another form, the spray material is contained in an annular flexible sac (35 Figs. 1-3, not shown) surrounding the pump cylinder (32) and a frame (54) operates valves (19, 21). In a modification, a cigarette (C) is impregnated by spraying an aromatic or anticarcinogenic material into chamber (170a, Figs. 11 and 12, not shown), in which the air pressure has been momentarily reduced by sucking air through duct (186a), into evacuated cylinder (184). Piston (145) simultaneously supplies compressed air through valve member (15:constructed as in Fig. 1, not shown) and nozzle (39).
Patent GB-944501-A (GB)
Title: Improvements in or relating to vehicles for travelling over land and/or water
Inventor: COCKERELL CHRISTOPHER SYDNEY
IPC: B60V1/02
Filed: 1958-06-12
Abstract: 944,501. Air cushion vehicles. HOVERCRAFT DEVELOPMENT Ltd. June 11, 1959 [June 12, 1958], No. 18825/58. Heading B7K. A vehicle supported in close proximity to water by a pressurized gaseous cushion comprises means for forming a curtain or curtains of fluid at both the front and the back part of the vehicle and two walls which project below the bottom of the vehicle and are located on each side of the vehicle so that with the fluid curtains they form the boundary enclosing the pressurized cushion. The vehicle comprises a main body 2 having rounded ends and provided with side walls 3 which depend from the main body along its full length. The side walls are respectively provided with ports 4 and 5 and further ports 6 and 7 extend across the front and rear respectively, the ports being in communication with a duct 15 that extends round the periphery of the vehicle. The duct 15 is connected to a pair of main galleries 12 which are supplied with compressed air delivered by propellers 9 driven by gas turbine engines 10. The bottom of each side wall is shaped as shown in Fig. 7 wherein the port 4 is shown ejecting air to form a curtain, which is deflected outwardly by the pressure of the gaseous cushion 20. The front and/or rear curtains (the front port 6 being shown in Fig. 8) are arranged, after outward deflection by the cushion, to pass through one or more curved guide vanes (or banks of such vanes) whereby the curtain is again deflected inwardly. The side ports 4 and 5 carry deflector plates 25 which direct the side portions of the fluid curtain rearwardly to provide forward propulsion of the vehicle. The rear curtain also may be deflected rearwardly. The ports 4 and 5 are deflected as shown at 22 to ensure no break in flow between adjoining parts of the curtain. The front and rear portions of the curtain may be formed by blowing fluid jets through vertically disposed ports or slots positioned in the sides of fairing disposed on the mid-portion of the underside of the vehicle. Specifications 854,211, 919,350 and 944,502 are referred to.
Patent GB-710882-A (GB)
Title: Heading machine for mines
IPC: E21C27/26
Filed: 1951-08-10
Abstract: 710,882. Mining machines. EICKHOFF MASCHINENFABRIK U N D EISENGIESSEREI, GEB. Aug. 10. 1951 [Aug. 28. 1950], No. 18831/51. Class 68(1) In a heading machine for use in mines there is provided a chain conveyer 4 feeding at the rear on to an endless belt conveyer 3. On each side of the front end of the conveyer 4, and in fixed relation with respect thereto, is a jib structure about which circulate a plurality of pick carrying chains 10, 11 that are disposed parallel to one another and move so that the cutting flight of each chain carries the disintegrated mineral inwards to the conveyer 4.' A cutter bar 6 may be mounted at the front of the conveyer 4 between the jib structures to cut out a space to permit entry of said conveyer. An alternative is that the jib structures are off-set with respect to each other in the longitudinal direction of the conveyer 4 and the cutting fields of the chains on opposite sides of the conveyer touch or overlap. The flights of each chain may be disposed in a plane which is inclined towards the face. The motors 12 for the chain drives are disposed in the jib structures which may be rotated about the chain driving shafts between cutting operations to vary the fixed positions of the jib structures with respect to the conveyer 4.
Patent GB-412415-A (GB)
Title: Improvements in and relating to atomisers adapted for use more particularly in the combustion of liquid fuels
IPC: F23D11/24
Filed: 1933-07-03
Abstract: 412,415. Spray-producers. BRYDEN, J., c/o Hoare & Co. (Engineers), Ltd., Colombo, Ceylon. July 3, 1933, No. 18835. Convention date, Oct. 28, 1932. [Class 69 (iii).] A liquid-fuel atomizer comprises a casing 1, Fig. 1, provided with a nozzle 4 and a passage 5 for admitting primary air, a tubular fuel duct 11 mounted within the casing having an adjustable valve 4 for regulating discharge, the duct together with its valve being slidable within the casing to vary the supply of primary air without altering the setting of the liquid valve and an adjustable louvre to control the secondary air supply within which the nozzle is mounted. The louvre device comprises a ring 28, Fig. 5, bolted to a flange 6 on the nozzle provided with a number of holes within which is a similarly perforated ring 30. A hood 34 formed with a flared mouth is bolted within the louvre 28. Liquid supply is regulated by turning the milled head 17 attached to the valve spindle 14 and primary air supply by turning the milled head 25 attached to a sleeve 8 which carries the fuel duct 11.