baber/WOPTO huggingface dataset:
Patent GB-561055-A (GB)
Title: Improvements relating to hydraulically operated brakes
IPC: F16D65/22
Filed: 1942-09-26
Abstract: 561,055. Brakes. ROVER CO., Ltd., and IVERSEN, P. A. SCOTT-. Sept. 26, 1942, No. 13552.. [Class 103 (i)] In a brake comprising a pivoted shoe or shoes a<1> that is or are applied to the interior surface of a drum bl by a hydraulic cylinder f<1> mounted on the outer side of the anchor plate d<1> with its axis parallel thereto, twisting action of the application force on a shoe is prevented by arranging the shoe pivot c<1> on the opposite side of the central plane of the shoe to that of the cylinder at a position such that a plane 8 containing the cylinder axis and intersecting the shoe pivot passes through the central plane of the shoe where the line representing the resultant of the application force and the reaction at the pivot is intersected by a line situated in the central plane and passing through the pivot axis in a direction at right angles to the pivot axis. The brake shown comprises a pair of shoes engaging a common pivot pin c<1> and each provided at the other end with a projection h<1> passing through a slot in the anchor plate and engaged by a thrust rod extending to one of a pair of pistons in the cylinder f<1>. The cylinder may instead be connected to the end of one shoe and contain a single piston connected to the other shoe. In a modification, the shoes proper are pivotally mounted each on the middle part of one of a pair of levers which are pivoted on the anchor plate at one end and connected to the pistons at the other end.
Patent GB-624803-A (GB)
Title: Fog nozzle
IPC: B05B1/26
Filed: 1947-05-20
Abstract: 624,803. Spray-producers. BURNAM, T. W. May 20, 1947, No. 13582. Convention date, May 14, 1946. [Class 69 (iii)] The head 5 of a fog nozzle 2 has two or more converging orifices 6 with a counterbore 8 through their point of intersection, and a small central orifice 7 in communication with the counterbore 8.
Patent GB-812796-A (GB)
Title: Improvements in and relating to control mechanism for hydraulic presses
Inventor: WHITE TOM
IPC: B30B15/18
Filed: 1955-05-11
Abstract: 812,796. Hydraulic presses. ELECTRAULIC PRESSES Ltd. April 19, 1956 [May 11, 1955], No. 13592/55. Class 69 (2). Means for varying the stroke of a press ram comprises a tappet 26 mounted on the ram and which, at the end of a working stroke, contacts a lever 28 which unseats a valve 19 so that servo pressure is supplied to a reversing valve to reverse the press ram. Valve 19 is carried by the rod of a piston 18 which is brased upwardly to a position limited by pistons 1-4 mounted in cylinders 5-8. Cylinders 5-8 are slidably mounted in a cylinder 17 and pressure can be supplied to any one, or any combination, of the cylinders 5-8 so that the position of the piston 18, and hence of the valve 19, is adjusted accordingly, and the stroke of the ram is varied. In order to compensate for stretching of the press frame the lever 28 turns about a fulcrum 29 carried by a piston 32 which is subject to the pressure in the main press cylinder and bears on a leaf-spring. The Provisional Specification refers to Specifications 732,775, 784,933, 784,992 and 789,538. Specifications 727,804 and 812,133 also are referred to.
Patent GB-315044-A (GB)
Title: Improvements in typewriting machines
IPC: B41J19/74
Filed: 1928-05-09
Abstract: 315,044. Alexander, F. May 9, 1928. Paper carriages and supports; platen-shift mechanism; sheet feeding and guiding arrangements.-The Platen shaft is yieldingly mounted in a shift frame which is mounted in the carriage and provided with feedrollers, the arrangement enabling the platen to move away from the feed-rollers when thick sheets are inserted. The carriage may be provided with an adjustable rollermounting, and an apron secured to the shift frame may carry an adjustable side-gauge. In the arrangement shown in Fig. 8, the shaft of the platen 14 is arranged in slots in a shift frame 7<1> and is pressed downwards by small coiled-springs 85, the platen being thereby held in yielding contact with feed-rollers 15 carried by an apron 15<1> on the shift frame. The shift frame is vertically guided in the carriage and is shifted by means of forked levers 13 which are pivoted on the carriage and engage the platen shaft. The levers are connected by a rod 19 engaging rollers 21 on a block 20 provided with a rod 22 carried by forked links 23 which engage guide pins 24 and are connected by links 24<1> to the shift-key levers. The carriage is provided with rollers 10 which run on V-guides 12 and are mounted on the bent ends of adjustable plates 9 secured to the carriage by means of screws 11 passing through slots, alternate pairs of rollers engaging the guides at the top and bottom. A shelf 16 on the apron carries an adjustable side-gauge 17 which is formed with an ear 17<1> entering a slot and is retained by a leaf-spring. A detachable sheetmetal front 4 for the machine carries a transparent paper-pressing plate 6. The machine may include the type-lever action described in Specification 317,511. Letter-spacing mechanism.-A carriage-propelling spring 75, Fig. 11, is connected to a tape 76 provided with a U-member 76<1> which normally engages a slot 76<11> in the carriage but is caught by a stationary bar 78 when the carriage is removed from the machine. The carriage may be controlled by the escapement described in Specification 317,509 an escapement-operating link 38 being connected to an arm 39 on a rock-shaft 40 carrying a universal bar 42 which is arranged under the key-levers 62 and engages the forked ends 42<1> of the space-bar levers. Line-spacing mechanism.-The platen is provided at each end with a ratchet-wheel, and a line-spacing lever carrying a pawl is adapted to be mounted at either end of the carriage.
Patent GB-757830-A (GB)
Title: Supports for climbing plants
IPC: A01G17/06
Filed: 1954-05-11
Abstract: 757,830. Plant supports. PAGE, W. J. April 7, 1955 [May 11, 1954], No. 13686/54. Class 6 (2). Corrugated wire stakes 1 for use in training plants are formed at their upper ends with hooks or eyes 3 and are connected together either singly as shown in Fig. 1 or in pairs as shown in Fig. 3 by means of wires 4 which are formed at their ends with hooks or eyes 5 for the purpose of engaging the eyes or hooks 3 at the upper ends of the stakes. Alternatively, the stakes may be assembled as shown in Fig. 5 in which the hooks of a series of stakes are threaded on to one connecting wire 13. The stakes may be provided with steadies 12, and their lower ends are straight, terminating in points 2.
Patent GB-1343817-A (GB)
Title: Process for producing coloured nacreous pigments
IPC: C09C1/00
Filed: 1971-05-07
Abstract: 1343817 Dyed lead carbonate ASAHI KASEI KOGYO KK 7 May 1971 [16 May 1970] 13814/71 Heading C1A [Also in Divisions A5 C2 C3 and C4] Coloured nacreous pigment crystals having smooth surfaces and which are uniform in size and which have been dyed with a watersoluble dye are produced by crystallizing a basic lead carbonate from an aqueous solution thereof in the presence of a water-soluble dye. Preferably the amount of dye is 0À001-0À5% by weight based on the weight of the aqueous solution; crystals of 5-100 Á in size and 0À05- 0À12 Á in thickness preferably are separated. In examples 16-20 crystals of lead carbonate containing Amaranth, Orange I, Indigo Carmine or Naphthol Yellow S as dye, are produced.
Patent GB-210688-A (GB)
Title: Improvements in the construction of cargo vessels
IPC: B63B27/36
Filed: 1923-05-25
Abstract: 210,688. Imray, O. Y., (Lambert, W.). May 25, 1923. Vessels for bulk cargoes.-A vessel designed to facilitate the discharge of floatable cargoes such as lumber has bow and stern buoyancy chambers 3, 4 and side tanks 5, 6 subdivided by transverse bulkheads. The cargo 2 is floated by flooding the hold and the cargo is cleared off by still further submersing the vessel by filling the side compartments 5, 6. The end buoyancy compartments containing the machinery and crew keep the vessel afloat. The side tanks are connected up to the steam pump and the end sections 3, 4 are entered by water-tight doors.
Patent GB-820310-A (GB)
Title: A fastening device
IPC: A47H13/16
Filed: 1955-05-13
Abstract: 820,310. Curtains; suspending curtains. DAVIS, J. M. May 14, 1956 [May 13, 1955], No. 13930/55. Class 52(5) [Also m Group XXV] A curtain lining is secured to a curtain by a fastening device comprising flexible loops 18 on the lining which are passed through throughways 14 on the curtain and then secured either by interconnecting the loops as in Fig. 4 and fixing the end loop 18x or by threading a cord or tape 26 through the loops as in Fig. 7; the loops 18 and throughway 14 may be provided on tapes attached to the curtain and lining.
Patent GB-229163-A (GB)
Title: Improvements in or relating to globe fittings for electric lamps
IPC: F21V15/02
Filed: 1924-06-10
Abstract: 229,163. MeGeoch, W. June 10, 1924. Securing globes to holders.-In an electric lamp fitting in which the ring 5 of a globe guard 6 screws into a cap 1 and grips the flange 8 of a glass or like transparent globe 3, together with a rubber washer 4 between it and the cap, the guard is regained in position by one or more radially movable rods 10 engaging in grooves 9 cut across the threads 7 on the ring 5 in a direction parallel to the longitudinal axis of the guard. The threads 7 are preferably in the form of a four-start square thread, but they may be replaced by projections on the ring 5 adapted to engage with helical grooves formed in the cap 1. The rod 10 has a screw-threaded portion 11 engaging a nut 12 which abuts against the end of a cylindrical casing 14, and, when rotated, withdraws the rod 10 against the action of a spring 15.
Patent GB-435919-A (GB)
Title: Automatic variable pitch propellor for aircraft and the like
IPC: B64C11/34
Filed: 1935-05-13
Abstract: 435,919. Variable-pitch propellers. LONG, E. H., 688, Dandenong Road, Murrumbeena, Victoria, Australia. May 13, 1935, No. 13957, Convention date, July 26, 1934. [Class 114] In an automatic variable pitch propeller the blades are controlled by the diaphragm 17 closing one side of the vacuum chamber 18. The corrugated diaphragm 17 stiffened by the radial stays 22 is provided with a central spindle, the axial movements of which caused by variable atmospheric pressures are converted into turning movements of the propeller blades about their axes to increase or decrease the propeller pitch by means of the slotted cross piece 39 and the eccentric pins 40. The slots may be shaped so that the pitch variations are directly proportioned to the variations of atmospheric pressure. The casing 12 is provided at its forward extension with cowls 46 which should the speed of the propeller shaft exceed a predetermined number of revolutions, are thrown out by centrifugal action, thus directing more air to the exposed side of the diaphragm 17 and reducing the pitch.
Patent GB-499110-A (GB)
Title: Improvements in or relating to method of and means for bending iron bars
IPC: B21D11/12
Filed: 1938-05-10
Abstract: 499,110. Bendingbars. WAGENBACH, A. May 10, 1938, No. 13983. Convention date, May 10, 1937. [Class 83 (iv)] In a bending-machine with rotary disc 2, a bar x is supported at one end by a roll 12 adjusted by racks 11. A yoke 6 is mounted on the centre shaft 3 of the disc and is clamped by a screw 7 to a pin 8 inserted in the disc. A former 4 is mounted on the shaft 3. When the disc rotates, the pin 8 contacts the bar and rotates the former to effect bending.
Patent GB-167622-A (GB)
Title: Improvements in springing wheels and the frame of a motor cycle
IPC: B62K25/08
Filed: 1920-05-21
Abstract: 167,622. Verner, S. M., and Verner, W. R. May 21, 1920. Spring devices.-In a spring device for the front wheel of a motor-cycle, the steering-pillar c is connected with the wheel through triangular members b, which are connected behind the pillar by a stem g to a plate g<1> acted upon by springs k in a box h, which turns about the axis of the pillar c on semi-annular ball bearings in a casing d rigidly fixed to the cycle frame f.
Patent GB-1154836-A (GB)
Title: Formation of Centres in Workpieces
Inventor: STOTT FRANK HARGREAVES
IPC: B24B41/06
Filed: 1966-03-30
Abstract: 1,154,836. Forging. JOHN HOLROYD & CO. Ltd. 14 March, 1967 [30 March, 1966], No. 14105/66. Heading B3H. Opposed centres are formed in the end faces of a metal workpiece by punches 23, 60 which are moved towards each other. Punch 60 is held stationary during piercing whilst punch 23 is actuated by an hydraulic ram 14. A headstock 57 supporting the punch 60 is slidable along a bed 10 by leadscrews 32 actuated through worm gearing (35), (37), Figs. 3, 4 (not shown) by a hand wheel 42. The workpiece (30), Fig. 5 (not shown) is supported by inclined members 80 on a support 71 slidable along the bed 10. These members 80 are adjustable by a threaded shaft 75 to suit different diameters of workpieces. The stroke of the punch 23 is limited by a switch 54 actuated by the punch through a pivoted lever 49. A spring-loaded plate 61 facilitates removal of the workpiece from the punch 60. The press may be vertical instead of horizontal as shown. An automatic feed and removal device may be provided for the workpiece.
Patent GB-944519-A (GB)
Title: Improvements in thermal insulation
IPC: F17C13/00
Filed: 1961-04-19
Abstract: 944,519. Storing liquefied gases. SOC. L'AIR LIQUIDE SOC. ANON. POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES G. CLAUDE. April 19, 1961 [April 27, 1960; Dec. 28, 1960], No. 14155/61. Heading F4P. Thermal insulation for use in receptacles for liquefied gases comprises substantially parallel reflecting screens separated by at least one fabric layer formed of fibres having low thermal conductivity, the warp and weft of the fabric consisting of threads formed of twisted fibres, the pitch of which is substantially different from the mesh of the fabric or from an integer submultiple thereof. As described with reference to Figs. 1 and 3, two screens 1 are made of polished aluminium and are separated by a layer of glass fibre fabric composed of weft threads 3 and warp threads 4, each comprising about forty fibres about 3 microns in diameter forming a mesh of 0.25 mm. The screens 1 are 8 microns thick and have double undulations, the larger of the latter 7, 8 having a wavelength of 1 cm. and an amplitude of 5 mm. and the smaller 9, 10 a wavelength of 0.64 mm. and an amplitude of 32 microns. In place of the smaller undulations the screens may have bosses extending from both sides thereof or may have folds therein and the bosses or folds may be perforated so that a high vacuum may be obtained between the screens. In modifications, Figs. 6 and 7 (not shown), a layer of fabric is disposed midway between two screens and within felt made of glass fibres or two layers of fabric are disposed in respective contact with the opposed faces of two screens with a layer of felt interposed between the layers of fabric.
Patent GB-1355905-A (GB)
Title: Foamable resin compositions
IPC: C08J9/00
Filed: 1972-03-27
Abstract: 1355905 Foamable fibre-reinforced thermoplastic resins DART INDUSTRIES Inc 27 March 1972 [9 April 1971] 14185/72 Heading C3C A foamable thermoplastic composition comprises a physical mixture of (A) 85-99% by wt. of particles of a thermoplastic resin containing reinforcing fibres dispersed therein and (B) 15-1% by wt. of particles of a thermoplastic resin containing a heat decomposable blowing agent which has a decomposition time exceeding the flow time of resin (A) at any temperature which is above the m.p. of resin (A) and the decomposition point of the blowing agent, resin (B) being flowable at a temperature below the decomposition point of the blowing agent. In the examples the fibres were of glass; resin (A) was polystyrene, polyethylene terephthalate, poly- (monochlorostyrene) or polypropylene; resin (B) was a styrene-butadiene block copolymer polyethylene or polypropylene and polyisobutylene; and the blowing agent was-p-toluene sulphonyl semicarbazide with optionally azodicarbonamide. The fibres and blowing agent were incorporated into the respective resins in an extruder, the compounded resins were extruded into strands and severed into pellets which were then mixed together to form the compositions which were then extruded or injection moulded at a temperature sufficient to activate the blowing agent and produce a foam. Other preferred foamable compositions comprised (A) glass fibres and polyphenylene oxide, polysulphone, polycarbonate or nylon; and (B) trihydrazinotriazine as blowing agent and polystyrene, acrylonitrile-polybutadiene-styrene polymer, styrene-acrylonitrile copolymer or nylon. During foaming of the composition the fibres tend to reorient themselves tangentially to the walls of the cells and the moulded articles have a non-porous surface.
Patent GB-880770-A (GB)
Title: A ship's wireless installation
IPC: H01Q1/34
Filed: 1959-04-27
Abstract: 880,770. Earth electrodes. BOOKER, A. R. April 27, 1959 [May 7, 1958], No. 14248/59. Drawings to Specification. Class 36. [Also in Group XXII] A ship's wireless installation is provided with an earthing device comprising a submerged block of particles having electrically conducting surfaces in contact with each other, joined together only at portions of their surfaces, secured to the ship and connected to the earth terminal of the installation. The particles are preferably metal spheres, e.g. bronze spheres between 0.0005 inch and 0.125 inch diameter with a tin coating, packed into a mould and heated until the coatings fuse together at areas of contact to form a coherent block into which water can permeate. The block is preferably shaped to facilitate application to the hull and connection of the earth conductor and to present a smooth transition from block to hull.
Patent GB-1466014-A (GB)
Title: Ventilation device for use with smoke exhaust covers
Inventor: HOGEDAL S A
IPC: F24F7/02
Filed: 1975-04-09
Abstract: 1466014 Ventilators HOGANAS AB 9 April 1975 [11 April 1974] 14496/75 Heading F4V [Also in Division A5] A ventilation device in an opening 13 of a smoke exhaust cover 11 pivotally fitted in a casement 10 comprises a lid 14 of larger cross-section than the opening, which lid has a downwardly directed peripheral flange 19, 19a co-operating with an upstanding flange (20) on the cover and is openable as by swingable links 21 with a displacement of the lid parallel to the plane of the cover. The links 21 may be replaced by scissortype links or screw devices, and the lid has a sufficient extension in the direction of displacement to cover up the area surrounded by the flange. The lid may be of thermally insulating material 16 having an upper plate 17 and external sheathing 18 which is peripherally folded to form the downwardly flange 19, 19a. In an alternative embodiment the insulation 16, plate 17 and sheathing 18 may be replaced by glass. The smoke exhaust and ventilation device is adapted to be mounted in the roof of a building.
Patent GB-707979-A (GB)
Title: Improvements in or relating to corrugated sheeting for roofing, walls or other similar purposes
Inventor: DEW RAYMOND MARCUS
IPC: E04D3/365
Filed: 1950-06-12
Abstract: 707,979. Corrugated sheeting; roofs. IMPERIAL CHEMICAL INDUSTRIES, Ltd. June 11, 1951 [June 12, 1950], No. 14582/50. Classes 20 (2), 20 (4) and 87 (1) A corrugated asbestos-cement, metal or synthetic resin sheet 4 is formed at its upper edge with depressions 1 provided with bolt holes 2 whereby the sheet may be secured to a support 6 by hook bolts 7 and nuts 8 before an upper sheet 5 is secured in position, the nuts 8 being received in the depressions 1. The upper sheet 5 may be formed with holes 3 which engage over the bolts 7, being secured by further nuts 8, or it may be provided with tabs on its underside to engage over the upper edge of the lower sheet 4, or it may engage with clip members 22 carried by the bolts 19, Fig. 4, the depressions 1 then being spaced from the upper edge of the lower sheet. Specification 707,964 is referred to.
Patent GB-568002-A (GB)
Title: Improvements in or relating to valve gears, particularly applicable to internal-combustion engines
IPC: F01L5/04
Filed: 1943-09-07
Abstract: 568,002. Valve gear; supercharging. WELLS, R. G. Sept. 7, 1943, No. 14611. [Classes 7 (ii) and 7 (vi)] In a two-stroke engine having inlet ports controlled by the power piston and exhaust ports in an extension of the cylinder head and controlled by an auxiliary piston, two arms extending from the same side of a rocking shaft are connected respectively to the auxiliary piston by a pivoted link and to a coupling rod actuated by an eccentric or an auxiliary pin on the engine crank-shaft, and the coupling rod is under tension during the working stroke of the engine. The crank-shaft 14 carries an eccentric 15 of which the strap 16 rocks a third order lever 18 having its free end 20 pivoted to a rod 21 which couples the lever to an arm 22 of a rock-shaft 23. A second arm 24 on the rock-shaft is linked at 26 to a piston valve 28 slidable in an extension 29 of the cylinder 11 to control exhaust ports 30. The pivotal couplings may be made adjustable. The arms 22, 24 and the lever 18 and their connections are so proportioned that a large part of the piston travel is occupied in covering or uncovering the ports 30. In a modification, the connection 20 comprises a pin and slot, the position of the pin in the slot being determined by an adjustable radius rod. As shown, the valve 28 supports a piston 35 provided with automatic or other valves 37 through which, on the instroke of the valve 28, air passes from an inlet 40 to the interior of a cylinder 36 housing the piston, the air being compressed on the outstroke and delivered past valves 38 through a passage 39 to the inlet ports 42 of the cylinder. When the piston 12 is at top dead-centre, the link 26 is substantially vertical and on ignition of the charge, the pressure on the valve 28 puts the rod 21 under tension.
Patent GB-376891-A (GB)
Title: Improvements in or relating to brush holders for dynamo-electric machines
IPC: H01R39/38
Filed: 1931-05-18
Abstract: 376,891. Brush-holders. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and ORSETTICH, R., of General Electric Co. Witton, Birming. ham. May 18, 1931, No. 14655. [Class 35.] In a holder having brushes arranged in more than one row, the brushes have individual spring - biassing means pressing them on to the rotor, and the brushes and said spring means of one row are displaced laterally or staggered relatively to those of another row. Brushes 9 are arranged in two rows in boxes 1, 2 ; pressurespring fingers 10 with controls 11 press upon them, the arrangement being symmetrical. The fingers 10 pressing the brushes 9 of the row 1 may be arranged higher or lower than those pressing the brushes of the row 2. In a modification, two rows of four boxes are used, each row containing three full and one halfsized box. The half-sized boxes are arranged at opposite ends of the rows and may contain small brushes, may be left empty, or may be used for the insertion of brush pencils.
Patent GB-966255-A (GB)
Title: Improved belt or the like
Inventor: SCHENK EMIL GUSTAV
IPC: A45F3/14
Filed: 1962-04-17
Abstract: 966,255. Bands and straps. KORBOND INDUSTRIES PTY. Ltd. April 16, 1963 [April 17, 1962], No. 14738/62. Heading A3V. [Also in Divisions E2 and F2] A belt comprises either a tongueless buckle or keeper and has means on the ends which adhere releasably together by mutual surface adhesion. A strip 14, 16 of polyvinyl chloride is secured to the ends 10, 17 of the belt 10 so that the strips releasably adhere when brought into contact by threading the belt through a tongueless buckle 12 secured to one end or through a keeper. The belt may be lined by a continuous strip of polyvinyl chloride doubled over at one end to extend along part of the outer surface.