baber/WOPTO huggingface dataset:
Patent GB-1497546-A (GB)
Title: Wheeled footwear device
IPC: A63C17/14
Filed: 1975-05-09
Abstract: 1497546 Wheeled footwear device G CAMPBELL 9 May 1975 [9 May 1974] 20474/74 Heading A6D A wheeled footwear device comprises a supporting member 4 comprising a block 5, a platform 6 which may be attached to or incorporated in a shoe or boot and axle carriers 7 and 8 which carry axles 9 and 10. cylindrical members (wheels or rollers) 2 and 3 partly located in recesses in the supporting member 4 and braking elements, such as balls 13 situated in gaps 14 between the circumferential surfaces of the cylindrical members and the confronting surfaces of the recesses. the braking elements being so dimensioned that they wedge in the gaps to prevent rotation of the cylindrical members 2 and 3 in the direction indicated by the arrows A, but are urged out of wedging engagement in the gaps when the cylindrical members are rotated in the opposite direction thus allowing further rotation in that direction. A manually operable lock is provided in the block 5 and comprises a metal disc or cylinder 18 mounted for rotation by a lever 20 about an eccentric pivot 19, between a position in which there is frictional engagement between the disc or cylinder 18 and member 3 and a position in which there is no contact therebetween. Strips 16 and 17 prevent water or dirt from entering openings 11 and 12. In a further embodiment (Figures 3 and 4 not shown) a wheeled footwear device is provided with four cylindrical members each having respective braking elements located in gaps defined by the circumferential surfaces of the cylindrical members and the confronting surfaces of inserts located in openings in the supporting member. There may be only one braking element associated with each cylindrical member of which there may be one or more and the braking element or elements may each comprise a roller or wedge shaped member which may be urged into its respective gap by a spring.
Patent GB-1172648-A (GB)
Title: An Improved Integral Heat Sink for Semiconductor Devices.
IPC: H01L23/367
Filed: 1968-05-01
Abstract: 1,172,648. Semi-conductor devices. WESTINGHOUSE ELECTRIC CORP. 1 May, 1968 [15 May, 1967], No. 20571/68. Heading H1K. A heat sink 22 has a recess 20 in its body in which the associated semi-conductor device 42 is mounted to improve heat flow, this body being surrounded by fins (not shown) contacting it in an interference fit, with spoilers or tabs arranged adjacent to small apertures on their surfaces to break up the flow of coolant fluid and improve dissipation. The heat sink is made of copper, copper alloy, aluminium, aluminium alloy, iron or iron alloy. The semi-conductor device 42, such as a thyristor, is soldered to a metal contact and retained within sleeve 66 in the recess 20 by a conductor unit 70 pressed on to a molybdenum washer 68 by springs 90. An electrical lead 72 passing through an insulating plug 71 within the main conductor contacts a central electrode of the device 42 and is held in contact therewith by a spring 80. The assembly is completed by a ceramic cap 102, a contact member 104, a sealed metal tube 106 and a weld flange 100 to form an hermetically sealed container.
Patent GB-189496-A (GB)
Title: Apparatus for drawing sheet glass
IPC: C03B17/06
Filed: 1921-08-03
Abstract: 189,496. Marks, E. C. R., (Libbey-Owens Sheet Glass Co.). Aug. 3, 1921. Drawing.-A method of forming sheet glass consists in drawing the portions forming the opposite surfaces of the sheet from masses of metal arranged at different levels with a flowing connection between the upper and lower level. In the construction shown, the cooling end A of the tank furnace is joined on to a slab which has horizontal portions H, J at different levels and a vertical portion H<1>, the temperature of the slab being maintained by a heated chamber I beneath. Heated chambers F, K formed by lip tiles G, L, respectively, are arranged over the horizontal portions H, J of the slab. In operation, metal from the chamber A. runs down over the slab and is drawn away horizontally in a sheet over a cooled idler roll 0, the edges of the sheet passing between edge rolls P. Thus the upper surface of the sheet is drawn from the metal on the slab H while the under surface is drawn from the metal on the slab J. The roll O and the plane of the drawing-table R may be arranged above or below the surface of the metal on the slab H. The supply of metal on the portion J of the slab is maintained by the stream flowing down the portion H<1>, or it may be maintained by auxiliary streams flowing down passage ways formed at the sides of the slab.
Patent GB-604768-A (GB)
Title: An improved appliance for use in bending tubes or pipes and rods or bars
IPC: B21D7/022
Filed: 1946-05-25
Abstract: 604,768. Angular bending; formers. MACKAY, C. May 25, 1946, No. 20701/45. [Class 83 (iv)] A pipe or bar bending apparatus comprises a pair of freely rotatable concave rollers 1 supported on bolts 4 in a frame 2 fixed to a bench, stand, &c. in abutting relationship so that the space between them corresponds in size and shape to the cross-section of the pipe &c. The preferred construction has ball or roller bearings 3 supporting the rollers which are adjustable laterally in slots 5 of the frame. When the rollers have been adjusted to accommodate the stock, the tube &c. is inserted into the space 6 up to the point where bending is to commence and force is applied to the remaining part of the tube at right angles to the axis of the tube which at the same time is gradually fed forward.
Patent GB-1075164-A (GB)
Title: Oxidised degraded interpolymers and hydrocarbon fuel compositions containing them
IPC: F02B3/06
Filed: 1965-05-17
Abstract: A hydrocarbon fuel composition comprises a fuel oil and, as pour point depressant, from 0.001 to 3% by weight of an oxidized, degraded ethylene/propylene interpolymer which has been prepared by bubbling an oxygen-containing gas (e.g. air) through a solution of an ethylene/propylene interpolymer of M.W. from 50,000 to 800,000 for a time sufficient to reduce the M.W. to within the range from 3000 to a value 5% less than the original M.W., the polymer solvent being diphenyl oxide/biphenyl or diphenyl oxide alone.  The interpolymer may include a minor amount of another hydrocarbon monomer, particularly 1,4-hexadiene.  Specified fuel oils are distillate and residual burner oils and diesel oils. Solvents such as kerosene and/or xylene may be utilized in forming concentrates of the depressant.ALSO:An oxidized degraded interpolymer of ethylene and propylene is prepared by bubbling an oxygen-containing gas (e.g. air) through a solution of an ethylene/propylene interpolymer of M.W. from 50,000 to 800,000 for a time sufficient to reduce the M.W. to within the range from 3000 to a value 5% less than the original M.W., the polymer solvent being diphenyl oxide with/ without biphenyl.  The interpolymers may include minor amounts of other hydrocarbon monomers.  The products find application as pour point additives in fuel oils.
Patent GB-136608-A (GB)
Title: Improvements in Chucks for Tapping and Drilling Machines and the like.
Inventor: HALL CHARLES
IPC: B23B31/12
Filed: 1918-12-13
Abstract: 136,608. Hall, C. Dec. 13, 1918. Chucks.-In a chuck for taps, drills, &c., of the type in which a series of jaws are operated by the conical nose of a screwed casing, and in which an intermediate member is disposed between the jaws and the end of the spindle to effect a positive drive, the intermediate member consists of a washer or disk, which is loosely assembled in relation to the body which receives the driving- spindle. The jaws b are pressed out by springs c against the conical nose a<1> of a casing a which is screwed to a body d screwed on the driving-spindle e. Between the spindle end and the jaws is a washer f formed with a square hole to receive the square end of the tap g. For heavier work, one or more projections may be formed on the washer engaging slots in the end of the spindle.
Patent GB-208232-A (GB)
Abstract: 208,232. Petter, G. B. Sept. 14, 1922. Adding-machines.-In a multiplebank, key-set and operated machine, the keys of any one bank are arranged on a lever 8 pivoted at 13 and carrying a slidable actuating-rack bar 7 for driving the counter 6. When a key is depressed, the rack engages and actuates the counter and in so doing is slid to the right until stopped by engagement of one of the differentially placed stops 7a with the depressed key stem whereupon the lever mechanism is arrested. Upon the return stroke of the lever the rack is restored to normal position by engagement of edge 15 with a fixed stop 12. In the case of the 5 key which is mounted rigidly on the lever 8, the differential sliding of bar 7 is terminated by abutment of the surfaces 8<a>, 14. The counter pinion is normally locked by a detent 18 on a spring-controlled lever 19 pivoted at 13<a> and swung into unlocking position by a roller 8<b> carried by the lever 8 and cooperating with a cam rail 19<a>. The Provisional Specification describes a slightly modified arrangement of the levers 8, 19. Specification 208,451 is referred to.
Patent GB-957584-A (GB)
Title: Improvements in or relating to holders for spinning rings
Inventor: FERRIER DUNCAN CAMERON
IPC: D01H7/60
Filed: 1962-05-30
Abstract: 957,584. Spinning-rings. BRITISH NYLON SPINNERS Ltd. April 26,1963 [May 30, 1962], No. 20836/62. Heading D1D. An annular ring-holder for ring-spinning apparatus has a circular inwardly-facing ring- holding surface and means for holding the ring comprising an annular slot within the top portion of the surface, of which slot the upper wall is cut away to form a plurality of symmetricallyspaced lugs 7, Fig. 2. The ring is of plastic material and has an equal number of lugs 3, Fig. 1 extending outwardly from its periphery; to secure the ring in the holder, the lugs 3 are passedbetween the lugs 7 and the ring is rotated to bring the lugs into register. The ring has pairs of holes 13 through which is laced a lubricating-wick fed from a reservoir 21 and the holder has ears 17 by which it is secured to the ring-rail. The holder may be of aluminium, the ring of machined or moulded and heat-treated nylon, and the traveller of steel.
Patent GB-584869-A (GB)
Title: Improvements in or relating to the driving gear of internal-combustion and other reciprocating piston fluid-pressure engines and compressors
IPC: F04B39/12
Filed: 1944-10-26
Abstract: 584,869. Reciprocating pumps and air compressors. LEWINGTON, W. J. Oct. 26, 1944, No. 20858. [Classes 8 (i) and 102 (i)] [Also in Group XXVII] The working chamber is comprised by the spaces between co-operating teeth 4, 16 on the cylinder head and piston, and relative axial rotation of the two is produced during reciprocation of the piston by means which does not necessarily involve contact of the faces of the teeth. This means comprises bevel gears 34, 35 fixed to the outer casing of the crankshaft 38 respectively. This shaft rotates in a crank case 37 mounted on bearings 13, 35A and carrying the input shaft 14. The crank pin 40 is stepped and a one-piece big end is held by a screw 43, and the crank case is closed by a cover 47 secured by a cross bar 48. Alternatively, the crankcase may be a normal two-part construction with a two-bearing crankshaft carrying a second pair of bevel gears which rotate idly. A two-stroke internal combustion engine is shown, the mixture being admitted by ports 8. and after compression under the piston it is transferred to the combustion chamber by ports 29, in an extension of the piston and, after firing, is exhausted by.ports 7. The chamber 23 may be used as a lubricant or air pump. The engine may be double-acting and the co-operative teeth may be mutable. Specification 155,400, [Class 7 (ii)], is referred to.
Patent GB-639508-A (GB)
Title: Improvements in or relating to measuring instruments
IPC: A61B5/103
Filed: 1948-08-09
Abstract: 639,508. Examining skin resilience. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Aug. 9, 1948, No. 20927. Convention date, Aug. 12, 1947. [Class 81 (ii)] A device for determining the suitability of dry shavers in relation to the flexibility of the skin comprises an aperture against which the skin is pressed, and means for determining the extent of its penetration through the aperture. In one form of the device an aperture 9, the width of which is variable by laterally sliding a plate 4, is formed in one side of a box 1 and a microscope 5 is focused on the inner face 10 of the aperture. When the skin is pressed against the aperture to form a bulge 2 the size of the aperture is varied until the crest of the bulge lies in the plane 10. A micrometer on the plate 4 gives an indication of the-flexibility of the skin. In alternative forms the aperture may be of fixed size but of wedge shape or formed in material of gradually increasing thickness, the length of the aperture being in each case appropriately graduated for viewing through the microscope. A further form provides for attachment of actual cutting plates from dry shavers and determining the depth of penetration by the skin by means of a micrometer adjustment on the microscope.
Patent GB-853462-A (GB)
Title: Oxytetracycline compositions and preparation thereof
IPC: C07C233/00
Filed: 1958-07-01
Abstract: An antibiotic composition in which it is thought that a calcium/oxytetracycline/carbohydrate complex is formed is prepared by mixing in aqueous solution the following ; calcium hydroxide or an obvious equivalent thereof e.g. calcium oxide, a water soluble addition salt of oxytetracycline and one of the carbohydrates glucose, mannose, fructose, maltose, sorbere and lactose in amounts such that the molecular proportions Ca : oxytetracycline : carbohydrate are 1 : 1 : X where X is at least 1 and, in the case of lactose, less than 5.  In a preparative method described, calcium oxide is added with vigorous stirring to an aqueous solution of the carbohydrate, and the oxytetracycline salt is then slowly added whilst stirring is continued.  Insoluble matter may be removed by filtration and the solution dried below 50 DEG  C. e.g. by spray-or freeze-drying to give a stable solid. Specified oxytetracycline salts which may be used are the hydrochloride, hydrobromide, hydroiodide and nitrate. Specification 684,417 is referred to.ALSO:An antibiotic composition is prepared by mixing in aqueous solution, a water-soluble addition salt of oxytetracycline, calcium hydroxide, and one of the carbohydrates, glucose, fractose, multose, mannose, rorbose and lactose the molecular proportions being such that the ratio calcium: oxytetracycline: carbohydrate is 1:1:X where X is at least 1 and in the case of lactose is less than 5.  A method of preparation given comprises adding calcium hydroxide with vigorous stirring to a solution of the carbohydrate in water, followed by slow addition of the antibiotic salt whilst stirring is continued.  Any insoluble material is removed by filtration.  The solutions may be dried below 50 DEG C, for example, by spray or freeze-drying to give stable solids which may be used in solid pharmaceutical forms, e.g. tablets, capsules, or for the extemporaneous preparation of solutions for oral, intravenous, intramuscular or ophthalmic administration, or as a uterine douche, other solutes being added if necessary to make the solution isotonic.  Specified oxytetracycline salts are the hydrochloride, hydrobromide, hydroiodide, and nitrate.  The obvious equivalents of calcium hydroxide, e.g. calcium oxide may be used. Specification 684,417 is referred to.
Patent GB-844226-A (GB)
Title: Container spout-inserting machine
Inventor: KLAUSMANN MILTON HARRY
IPC: B21D51/42
Filed: 1958-07-01
Abstract: 844,226. Making and attaching spouts. SEAL-SPOUT CORPORATION. July 1, 1958, No. 21049/58. Class 83 (2). A machine for mounting a pouring-spout in a container wall comprises means for moving the container in a predetermined path, means for moving the spout momentarily synchronously with the container along and parallel to said path and coacting means adapted to move towards each other to secure the spout in the wall during such synchronous movement. Containers E are moved along a table G past the spout inserting mechanism H by arms h projecting from an endless belt F and a spout I is inserted in one of the closure flaps i of each container. By means of feed-dogs 8 pivoted to a block 6 which is reciprocated against a spring 48 by a pivoted lever 11 engaging a cam 16 on a vertical shaft 17, a strip L of connected flat spout blanks is fed into a guidway 1 between plates 2 and 3 to spout-forming mechanism including fixed and movable dies 25, 26 which bend up the side-wings c of the spout while punches 29 carried by the die 26 form prongs b. The die 26 is reciprocated by rollers 31 engaging a cam 30 on the shaft 17. The spout inserting mechanism H includes a spout-carrier 36 which is momentarily moved synchronously with each container by cams 44 and 45 on the shaft 17 engaging follower rollers 42, 43 on a plate 40 to which the carrier 36 is secured by screws 41. Spouts pass from the channel 1 into a channel 46 in the carrier and there a ram 47 severs the spout from the strip and inserts the flanges and prongs through the flap i while an anvil M supports the flap against the thrust of the ram. The anvil is carried by a lever 55 moved by a camplate 63 in engagement with a follower 61. Specifications 545,192 and 799,563 are referred to.
Patent GB-440794-A (GB)
Title: Improvements in mixing machines
IPC: B01F7/04
Filed: 1935-07-24
Abstract: 440,794. Mixing-machines. BEKEN, F., 27, Sunnyside Road, Ilford, Essex, and HUNT & CO., Ltd., E., Mellish Iron Works, Mellish Street, Millwall, London. July 24, 1935, No. 21065. [Class 86] A mixing-maching for plastic &c. materials comprises a container in which two parallel shafts c, d rotate in opposite directions at different speeds, the blades e, f being arranged so that their paths intersect and exercise a pressing action on the material. The blades may be parallel with the shafts, or inclined as shown, and the blades on each shaft may be in sets e, e<1> at an angle to each other. One shaft rotates at twice the speed of the other.
Patent GB-440443-A (GB)
Title: Improvements in or relating to the production of insulating building slabs
IPC: C08L3/02
Filed: 1934-07-19
Abstract: Thermally and acoustically insulating building-slabs are made by pressing a mixture of seaweed in an undisintegrated or only moderately disintegrated state with a relatively small quantity of a binding-medium.  In an example pressed seaweed is split, cleaned and combed, and if necessary dried.  It is then mixed with a diluted rubber dispersion and, after further drying, pressed in a mould which is then exposed in a furnace at 100-140 DEG  C. for several hours. The moulded block is cooled and cut into slabs. The rubber binder may be used in the dispersed or swelled state or in solutions; a concentrated latex is suitable.  A bituminous emulsion or an aqueous solution of water-glass may alternatively be used as a binder, or a powdered or granular binding-medium such as dextrin may be used, moisture being supplied to the mixture before pressing.  Filling materials such as cork meal or granular cork may be added to the seaweed; these may serve as a support for the binding-medium.
Patent GB-171437-A (GB)
Title: Improvements in screwing machines
IPC: B23G7/00
Filed: 1921-04-11
Abstract: 171,437. Blacker, W. April 11, 1921. Screwing.-In hollow-die screwing machines adapted to be driven by hand or power, and in which the work is clamped in a carriage and fed towards the die, the carriage comprises two blocks d which slide on parallel guide-rods e secured to the headstock b. The faces n of the vice fit into dovetailed grooves in the jaws i, which are mounted on transverse rods k, @ connecting the carriage blocks d. The carriage is operated by a hand-lever g which is slotted to receive the right and left-hand threaded vicescrew j. The hand drive for the spindle c is direct, or through a pinion mounted on one of the rods e.
Patent GB-1172021-A (GB)
Title: Hydraulic Turbo-Coupling or Hydraulic Turbo-Brake
IPC: F16D57/04
Filed: 1967-05-08
Abstract: 1,172,021. Hydrodynamic couplings; hydrodynamic brakes. C. KNAPP, and H. W. SCHWEPPENHAUSER. 8 May, 1967 [7 May, 1966], No. 21236/67. Headings F2C and F2E. A hydrodynamic coupling or brake having some of the blades of one or both elements inclined forwardly whilst others are inclined backwardly. In Fig. 3 the pump and turbine blades 3b, 6a of a hydrodynamic coupling are alternately inclined in opposite directions. In Fig. 2 (not shown), the pump has normal radical blades (3a) whilst the turbine has alternate blades (6a) inclined in opposite directions. In Figs. 4 (not shown), and 5 the rotor 21 of a double hydrodynamic brake has two sets of blades 22, 23 which sets are inclined in opposite directions and the stator 24 has two sets of blades 25, 26 inclined in opposite directions so that one chamber is effective to exert most of the braking torque in one direction of rotation and the other chamber exerts most of the braking torque in the other direction of rotation. In Figs. 7-9 (not shown), the central pump or rotor of a double coupling or brake has alternate blades inclined in opposite directions. In Fig. 7 (not shown), the turbine or stator blades are radial. In Figs. 9 and 10 (not shown), each set of turbine or stator blades have alternate blades inclined in opposite directions. In Fig. 10 (not shown), pump or rotor has radial blades. The Specification states that the above arrangements provide increased torque transmission in both directions of rotation.
Patent GB-983046-A (GB)
Title: Improvements in or relating to inflatable dinghies
Inventor: REFFELL BRIAN RICHARD ARNOLD
IPC: B63B7/08
Filed: 1962-06-01
Abstract: 983,046. Inflatable dinghies. WALTER KIDDE CO. Ltd. May 24, 1963 [June 1, 1962], No. 21292/62. Heading B7A. An inflatable dinghy has a high pressure tube 3 secured to the peripheral buoyancy tube 1, to unfold the dinghy, and a gas storage container 4 and admission point 5 at a position proximate to one end of the dinghy for inflating the tube 1. Restricting means 6, e.g. a truncated cone of flexible material secured to the inside of the tube 1 having an aperture at the apex away from the admission point 5, is positioned at corresponding positions at each side of the dinghy to ensure complete inflation of the buoyancy tube between the point 5 and the means 6 before substantial inflation of the buoyancy tube beyond the means 6 takes place. Restrictors may be used at a number of spaced positions along each side of the buoyancy tube. Specification 903,476 is referred to.
Patent GB-1304198-A (GB)
IPC: B65G47/31
Filed: 1970-05-04
Abstract: 1304198 Roller conveyers ERMANCO Inc and GENERAL LOGISTICS CORP 4 May 1970 [21 May 1969] 21315/70 Heading B8A A roller conveyer on which articles 20 conveyed thereon may have their distances apart progressively increased or decreased comprises a drive shaft 12 below the rollers 10, 14, and carrying drive pulleys 16 of progressively varying diameter, and endless resilient belts coupling the pulleys 16 to pulleys or grooves on line rollers 10 to progressively vary the rotational speed of adjacent drive rollers. The drive rollers 16 are frictionally coupled to the drive shaft 12 to facilitate slipping during any overload on the rollers, and axial movement along the shaft from alignment purposes.
Patent GB-291644-A (GB)
Title: Improvements in sectional coverings for pipes or the like
IPC: F16L59/02
Filed: 1927-08-13
Abstract: 291,644. Horsnell, D. T. Aug. 13, 1927. Metal pipes.-In non-conducting coverings 1, 3 for pipes &c. 6, Figs. 1 and 2, which are made up in longitudinally divided tubular lengths, the ends of said lengths are of spigot and socket formation to form a closed joint 2 and the whole is preferably covered by suitable wrapping 7. In a modification, the ends are provided with abutting spigots 8, 9 which enclose or are inserted into a longitudinally divided sleeve 10 of like material, Fig. 5.