baber/WOPTO huggingface dataset:
Patent GB-381866-A (GB)
Title: Improvements in electric lamps
IPC: H01J61/54
Filed: 1932-04-15
Abstract: 381,866. Discharge lamps. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London.-(Assignees of Patent-Treuhand Ges. fur Elektrische Gl³hlampen ; 11, Ehrenbergstrasse, Berlin.) April 15, 1932, No. 10848. Convention date, June 16, 1931. [Class 39 (i).] In an enclosed electric arc lamp of the type wherein an electron-emitting filament is connected permanently across the electrodes, and the envelope contains a gaseous filling together with a pool of vaporizable metal, the form of the envelope 1 is such that the parts of it intercepted by the long axis of the lamp are approximately twice as far from the mid-point of the path of the arc as are the parts intercepted by a line in the plane of the electrodes at right-angles to the long axis of the lamp, thereby preventing excessive vaporization of the pool of metal 14 and maintaining a substantially uniform ultra-violet radiation whatever the operating position of the lamp. Preferably the envelope is in the form of an ellipsoid, as shown. The two electrodes 7, disposed perpendicular to the long axis of the lamp, may consist of tungsten or a mixture of electron-emitting substances and tungsten, or a substance, such as tantalum carbide or tantalum nitride, which is highly resistant to heat. The electrodes are mounted on supporting-wires 6 which are fastened to rods 5 and are each provided with an annular eye 8 in which the electron-emitting filament 9 is loosely hung, so that contact resistances are set up between the annular eyes and the filament. The filament is provided with additional support by two wires 10 which are sealed into a glass bead 12 mounted between two transverse wires 11. The gas filling consists of argon, nitrogen or the like.
Patent GB-541426-A (GB)
Title: Improvements in and relating to combustible gas manufacture
IPC: C10G9/00
Filed: 1940-06-25
Abstract: 541,426. Oil gas. JONES, L. B. June 25, 1940, No. 10866. [Class 55 (ii)] Liquid hydrocarbons such as oil, or tar are cracked to form a combustible gas, for use under emergency or peak load conditions, by heating refractory brickwork a<3> in each of a pair of chambers A by oil supplied by tangential nozzles a<15> in the top of the chamber, and burned in air from tangential blast nozzles a<12>,oil atomized, preferably in steam, being then passed downwards through the heated brickwork. The gas is withdrawn from the bottom of each chamber in turn and passed through a wash box C and scrubbing tower D. The combustion products from the heating stage are passed through opened valves a<7> to a stack pipe a<9>, valves a<11> preventing their passage through the cleaners C and D. By alternate heating and gas making in the two chambers, a continuous production of gas is provided. Specification 367,812 is referred to.
Patent GB-1059232-A (GB)
Title: Improvements in multiple continuous casting
IPC: B22D11/10
Filed: 1964-03-13
Abstract: 1,059,232. Tundishes. MANNESMANN A.G. March 13, 1964 [March 14, 1963], No. 10875/G4. Heading F4B. In a multinozzle tundish 1, each nozzle brick 4 is placed inside the shaped brick 3, and aligned with the corresponding mould axis, the spaces 5 then being rammed with refractory material.
Patent GB-554809-A (GB)
Title: Improvements in and relating to calliper gauges and micrometers
IPC: G01B3/18
Filed: 1942-08-05
Abstract: 554,809. Linear-dimension gauges. OFFENBACHER, E. 1. Aug. 5, 1942, No. 10889. [Class 106 (ii)] A sliding calliper gauge has the gauging surface on one jaw 1 extended laterally so that in addition to the usual operation, a work-piece 3 may be measured between a pointed end and a shoulder or between two shoulders. A micrometer calliper has the gauging surface of the spindle or anvil laterally extended for the same purpose.
Patent GB-513498-A (GB)
Title: Improvements in or relating to the shrinking of textile fabrics
IPC: D06C7/02
Filed: 1938-04-09
Abstract: 513,498. Shrinking and coating fabrics. MANN, R. J., and HARMER, W. April 9, 1938, No. 10925. [Class 15 (i)] [Also in Group VIII] Fabric to be shrunk is fed at a uniform rate and substantially without tension towards a shrinking bath, on entering which it is spread full width across the bath and depressed below the surface of the bath, through which it is drawn at a uniform speed lower than that at which it enters. The shrinking liquor is washed from the fabric after removal from the bath. As shown, the fabric 1 is drawn by feed rolls 3 from a supply roll 2 and falls freely on a flat tray 7 mounted just clear of the liquor in the shrinking bath 4. From the loose fold on the tray 7 the fabric is drawn over an upstanding lip 9 at the edge of the tray and under the edge of a spreader board 10 dipping below the surface of the liquid. The spread fabric is submerged in the bath until withdrawn at the point 12 by the pull of a delivery roll 13 which has a lower peripheral speed than the rollers 3 to permit shrinkage to take place. From the roll 13 the fabric passes , spray pipes 15 supplied with wash liquor to a washing bath 5 through which liquor may be circulated in counter current to the fabric. An endless blanket may carry the fabric through the bath 5 but this may be omitted if the fabric is strong enough not to require it. The fabric is collected on a bath roll 6 and dried. The invention is stated to be especially useful for the treatment of cellulose acetate or other cellulose derivative fabrics.
Patent GB-739875-A (GB)
Title: Metal containers for electrical components
Inventor: HOWDEN HARRY
IPC: H05K5/04
Filed: 1954-04-14
Abstract: 739,875. Component mounting arrangement. STANDARD TELEPHONES & CABLES, Ltd. April 14, 1954, No. 10948/54. Class 40 (4). A metal container for electrical components comprises a base-plate 4, Fig. 3, carrying electrical terminals, to which are secured two similar end plates 1, 2 each having a plurality of holes 3 whereby component mounting plates such as 17, 18 may be secured. The end plates are secured to the base-plate by studs 15 which may serve also for attaching the container to a panel, and a detachable cover which may fit between the upturned flange 5 and the end plates is detachably secured by means of the holes 3. The end plates may be recessed on their inside faces and the edge of the recess may be toothed to locate parts of plate - supporting brackets such as 33, Fig. 5, against rotation. Brackets 35, 31 carrying plates 29, 30 are loosely riveted to the end plates to form a hinge about which the plates may be turned to give greater access. The upper ends of the plates are detachably secured by brackets 33, 36, and leads 48, Fig. 6, from the components are taken through holes in a fanning strip 34 to base terminals 47. Alternative positions of the base-plate and apparatus plates and alternative securing arrangements are also described. Specifications 632,856 and 632,858 are referred to.
Patent GB-591171-A (GB)
Title: Improved road vehicle fitting for removing stones and other objects from the tyres
IPC: B60S1/68
Filed: 1945-05-01
Abstract: 591,171. Wheel scrapers &c. WHITE, G. J., and WATSON, A. A. J. May 1, 1945, No. 10991. [Class 108 (ii)] A fitting for removing stones &c. wedged between the opposing tyre walls of twin road wheels on a vehicle comprises an arm 1 mounted for example on the wheel axle to extend between the twin wheels and so shaped as to urge the stones &c. outwardly in either direction of rotation of the wheels. As shown, the arm 1, which is formed with a fishtail end to remove objects in a direction away from the axle, is curved to surround the inner wheel and is riveted or welded to a bracket 2 fixed in a similar manner to a plate 3 adapted to be secured to the vehicle spring 4 by the U-bolts 5 connecting the spring to the axle. In a modification, the arm is secured to a supporting bracket which is dished to embrace the lower part of the wheel axle and has flanges drilled to receive the U-bolts 5.
Patent GB-141201-A (GB)
Title: Improvements in or relating to nut cracking machines
IPC: A23N5/00
Filed: 1919-05-03
Abstract: 141,201. Drews, J. O., and Caribbean Syndicate. May 3, 1919. Crushers with vibrating jaws; cracking nuts.- In nut-cracking machines of the kind described in Specification 23936/10, and comprising a stationary jaw and a movable jaw which slides bodily and is actuated by cams, the came are arranged to impart an accelerated or impulsive movement to the movable jaw near the end of the forward stroke, and the movable jaw operates feeding-devicea of the character described below. In the machine shown in Figs. 1 and 3, the movable jaw b<2> slides on guide-rods a<1>, or is secured to rods sliding in bearings, and is moved forwards by a cam f and returned by springs g. The cam engages cheeks b<4> on the jaw and is formed with a peripheral groove crossed by a pin f<1>, which is adapted to engage a yielding finger b<3> on the jaw near the end of the forward stroke. The finger is pivoted between the cheeks b<4> and is yieldingly held in position by a spring b<5>. The feeding- device consists of a plate e, pivoted at e<1> and connected by a link h to a trough o, which is pivoted at d<1> below the hopper c, and is engaged by a projection b<7> on the movable jaw. When the movable jaw is moved outwards to discharge the cracked nuts, the trough and the plate c are rocked upwards, and the trough delivers nuts to the plate. On the forward stroke, the plate and the trough return to the normal position, the plate discharging the nuts into the space between the jaws b b<2>. Stationary rods c<1> may be provided for guiding the nuts. In the machine suitable for hard or large nuts, shown in Fig. 6, the movable jaw b<2> is secured to rods i. which can slide in bearings and are engaged at the ends by levers j operated by cams k on a shaft k<1>. The levers may engage slots in studs i<1> at the ends of the rods. or the ends of the rods may be slotted to receive the levers and be threaded to receive securing-nuts. For imparting an impulsive movement to the movable jaw, the shaft k<1> is provided with a boss k<2> having a pin k<3> adapted to engage notches in the ends of rods l<1> l<2>, which are pivoted to the movable jaw. The rods are connected by a cross-plate l<3> which rests on a stop-screw m.
Patent GB-768612-A (GB)
Title: Film spool having means for securing the film to the spool core
IPC: G03B17/30
Filed: 1955-04-18
Abstract: 768,612. Photographic film Spools. AGFA AKT.-GES. FUR PHOTOFABRIKATION. April 18, 1955 [May 12, 1954; Oct. 14, 1954], No. 11123/55. Class 98(1) A film is secured in a slot 1 in the core of a film spool (Fig. 1) by providing on one face of the slot a boss 2 which engages a hole in the tail of the film, and on the other face of the slot, hold-down projections 3 to keep the film over the boss. A total, 3, 5 or 7 projections may be provided, one or more of which is a boss and the remainder hold-down projections. In the modification shown in Fig. 4 the face of the slot opposite the boss has no projections but is provided with a recess, so that the face of the slot on each side of the recess serves in place of the hold-down projections. Such a spool may be provided with additional plain slots above slot 1 and parallel to it.
Patent GB-1527424-A (GB)
Title: Single-stage process for the continuous introduction of oxygen into a liquid containing microorganisms
IPC: C02F3/12
Filed: 1976-03-19
Abstract: In activated sludge-containing wastewater from sewage treatment plants, oxygen is absorbed and consumed. Oxygen-containing gas, having at least 50% by volume of O2, at a hydrostatic pressure of 0.9 to 4 bar is passed in to a wastewater tank (10). The liquid height in the clarification tank (10) is 10 to 40 m. The gas pressure is 0.01 to 0.5 bar above the hydrostatic pressure at the gas introduction positions (12, 14), each of which has an aerated surface of 0.1 to 0.5 m<2>. Each gas introduction position (12), which is a bundle of a plurality of injectors, ejectors or nozzles or an orifice plate, is charged with 100 to 300 effective cubic metres of gas per m<2> of cross-sectional area and hour. The individual gas introduction positions (12) have a mutual central spacing of 2 to 10 m. The process permits the optimal utilisation of oxygen with single-stage operation. <IMAGE>
Patent GB-743542-A (GB)
Title: Improvements relating to the focussing of cameras, especially television cameras
Inventor: JOHNSON PERCIVAL LEIGH
IPC: G03B3/00
Filed: 1953-04-24
Abstract: 743,542. Lens turrets. ELECTRIC & MUSICAL INDUSTRIES, Ltd. April 26, 1954 [April 24, 1953], No. 11298/53. Class 97 (1). In a camera, particularly a television camera, having a plurality of lenses of different focal lengths mounted on a movable lens carrier so that the lenses can be moved selectively into the position of the camera objective, an individual cam profile is provided for each lens for effecting focusing and means are provided for producing co-operation between the element to which focusing movement is imparted and the cam profile corresponding to the selected lens. Fig. 1 shows a television camera in which focusing is effected by movement of a carriage 2 supporting the pick-up tube assembly effected by a lever 21 pivoted at 21a and having a follower 20 engaging one of a number of cams 10 ... 14 by by a focusing lever 7. The cams are fixed on a sleeve 14 movable along the shaft 8 of the lever 7 and having a groove engaging a pin 18 on a bell crank lever 16 pivoted at 17 and engaging one of a number of cams 19, 19a, 19b on the rotatable lens turret 4. When changing the lens the lever 21 is moved, by means of a slide 23 and knob 6, to the dotted position shown whereby the follower 20 is clear of the arms 10- 14. On rotating the turret 4 to locate the objective on the areas of the pick-up assembly, one of the cams 19 rotates the bell-crank 16 to slide the sleeve 15 along the shaft 8 and so locate the appropriate cam opposite the follower 20 which may thereafter be moved into engagement with the cam by means of the slide 23. A common range scale may be obtained by the use of a number of identical cams each designed according to a logarithmic law and fixed on the sleeve 15 in different angular positions relative to each other. In the modification shown in Fig. 3 focusing movement of the carriage 2 is effected by one of a number of levers 27, 29 ..., one for each lens on the turret 4, pivoted on a shaft 29 and held by springs 37, 38 ... against a bar 39 connected to the carriage 2 by a rod 40. Each lever carries two pins, one 30, 31 ... engaging one of a number of notched discs 32, 33 ... on a shaft 34 rotatable with the lens turret 4. When the appropriate lens is in position a notch on one of the discs 32, 33 is opposite the appropriate lever and allows the latter to rotate about the shaft 29 until a second pin 25, 26 ... thereon engages one of a number of cams 13, 14 ... on a shaft 8, rotation of which effects the focusing movement. Alternatively the different cam profiles may be provided on the turret itself, focusing being effected by movement of a lever connected at one end to the carriage and engaging the cam at the other.
Patent GB-1305424-A (GB)
IPC: B65H63/08
Filed: 1970-03-10
Abstract: 1305424 Weft detectors E SICK 10 March 1970 [14 March 1969] 11318/70 Heading DIE A photoelectric weft bobbin monitor comprises a reflector 13 on the shuttle body 11 and reflecting means on the bobbin 9 which produces a contrast step when the bobbin is nearly empty and first and second photocells 6 and 7 for receiving light reflected from the reflector 13 and bobbin surface respectively, and means responsive to signals from both photocells to initiate bobbin change or loom stoppage. The contrast step may be provided by alternate black and white rings on the bobbin surface, or by using a black bobbin with light coloured yarn and vice versa. The reflector 13 may be a reflex-reflector, reflecting light from a bulb 2 back along its path of incidence. The output of photocell 8 may be fed to an amplifier which amplifies a.c. signals only, and then with that of photocell 7 to an AND gate.
Patent GB-923563-A (GB)
Title: Improvements in or relating to gear pumps
Inventor: PRASSE HERBERT F
IPC: F04C15/00
Filed: 1961-03-28
Abstract: 923,563. Gear pumps. THOMPSON RAMO WOOLDRIDGE Inc. March 28, 1961, No. 11351/61. Class 110 (2). A pressure-loaded gear pump comprising a casing 11, Fig. 1, closed by a cover-plate 12 and having a pump cavity 13 housing pump gears 21, 22, includes a pair of coaxial bores 14, 16 fitted with bushes 17 having flanges 19 sealingly engaging the gears and spaced from a casing end wall 33 to provide a pressure chamber 34 communicating with the pump discharge zone and sealing means sealing the chamber 34 from a low-pressure area 39 beyond the bushes. The sealing means comprises a resilient ring 40 stretched over each bush and engaging the end wall 33 and the rear face of the flange 19, a rigid back-up ring 41 around each bush and a plate spring 43, Fig. 3, of figure-of-eight configuration common to both bushes, having spring fingers 47 located between the rings 40, 41 and the flanges 19. Radial openings 37 connect the chamber 34 with the bearing surfaces of the bushes to provide lubrication.
Patent GB-473899-A (GB)
Title: Improvements in or relating to vulcanising methods and machines therefor
IPC: B29C35/02
Filed: 1936-04-21
Abstract: 473,899. Vulcanizing long lengths. STEVENS, A. H. (Boston Woven Hose & Rubber Co.) April 21, 1936, No. 11402. [Class 70] In the continuous vulcanization of sheet rubber by passing it round a heated drum, and applying pressure by a flexible band, the rubber is heated before it reaches the nip, and additional pressure is applied at the nip. The vulcanizer comprises a drum 11 heated by steam admitted by a pipe 15 through a hollow hub, and also externally by steam pipes 76, and a flexible steel or like band 56 passing round drums 20, 30, 36. The tension of the band is regulated by a hydraulic ram 24 acting on the bearing block 22 of the drum 20. The apparatus is rotated by gear on the shaft 31 of the drum 30. The drum 36 is mounted in bearings 38 capable of adjustment towards or from the drum 11 by means of a screw and worm gear 40 operated by a hand wheel 46 or ratchetlever 48 engaging a ratchet-wheel 47, the bearings 38 being mounted in slides 39 on the frame. The drum 36 is internally heated, and also has an external heater and guide 72. Rubber sheet 65 is led to the band 56 on the drum 36 and is heated and rendered plastic by the time it reaches the nip of the band and drum 11 of the vulcanizer proper, where it is submitted to heavy pressure. Vulcanization proceeds under the pressure of the band 56. and the sheet is led from the apparatus round the roll 66. Lateral displacement of the band 56 is prevented by guides consisting of blocks of wood in a frame 60, bearing on the edges of the band, and adjustable by screws 61. Specification 430,885 is referred to.
Patent GB-544876-A (GB)
Title: Improvements in or relating to tile for furnace construction
IPC: F27D1/00
Filed: 1940-03-30
Abstract: 544,876. Furnace walls. DETRICK, CO., M. H., and STEVENS, A. H. March 30, 1940, No. 11410/41. Divided out of 540,094. [A Specification was laid open to inspection under Sect. 91 of the Acts, Oct. 23, 1940.] [Classes 51 (i) and 51 (ii)] A refractory tile for use in constructing a furnace as set forth in Specification 540,094 is made in the form of a parallelepipedon of which 21, Fig. 2, is the rear face, and the face 23 is formed with recesses 27, 28, 29 which communicate with the rear face, the opposite face being formed with a continuous groove 26 parallel to the rear face. The face 21 is cut away at 31, 32, 33 to provide access to the grooves 27, 28, 29 for holding and clamping members. The tiles are formed with shallow grooves 35, 34 for interlocking with tongues 37, 36 (Fig. 1, not shown) of adjacent tiles in building the furnace wall. The method of building the wall is described in Specification 540,094.
Patent GB-351621-A (GB)
IPC: F23C99/00
Filed: 1930-04-11
Abstract: 351,621. Pulverulent-fuel burners. TODD DRY DOCK, ENGINEERING & REPAIR CORPORATION, 25, Broadway, New York, U.S.A. April 11, 1930, No. 11569. Convention date, April 22, 1929. [Class 75 (i).] The vertical hollow furnace front through which the pulverized fuel burner 8 projects is provided with a diaphragm 5 having an extended passage way for heating air which is used to convey the fuel from the supply hopper 15 to the burner. The hollow front is composed of a forward plate 6, an annular wall 7 and the plate or diaphragm 5 forming a boundary for the mouth of the furnace. The burner 8 of conoidal form has a radial flange 9 coacting with the diaphragm 5 to close the mouth of the furnace, and is supplied with fuel and primary air through a pipe 12 from a pulverizer 14 fed by the hopper 15. A blower 13 supplies secondary air to the hollow front through a duct 23. In front of the diaphragm 5 is arranged the air heating structure A, B formed in two parts bolted together as shown in Fig. 2 and having outer and inner flanges 18, 19 contacting with the diaphragm to form an enclosed air space divided by spaced curved webs 20, 21 to form an extended passage for air entering from the hollow front at 22. The heated air passes out through a pipe 17 to the pulverizer for use in conveying the pulverized coal to the burner. The secondary air is supplied to the fuel stream through apertures 25 increasing in width towards the rear, vanes or deflectors 26 guiding the streams of air tangentially, and direct flow of air into the furnace being prevented by closing members 29. Vanes 30 giving a whirling motion to the fuel and air are supported on an adjustable oil burner 44 fed by a pipe 47, which is used to heat up the furnace initially or when the boiler is operating at low pressure. The secondary air supply is regulated by a conical sleeve 31 having apertures 32 and rotatable on the burner and controlled through gearing by a handle 41 to regulate the flow through the apertures 25. A set-screw 43 fixes the sleeve in adjusted position which is indicated by a pointer 42 coacting with a scale.