baber/WOPTO huggingface dataset:
Patent GB-423976-A (GB)
Title: Improvements in or relating to fuel injection pumps for internal-combustion engines
IPC: F02M59/02
Filed: 1934-03-09
Abstract: 423,976. Fuel - - injection pumps. REDRUP, C. B., Cranford, Cransley Crescent, Henleaze, and BRISTOL TRAMWAYS & CARRIAGE CO., Ltd., Clare Street House, both in Bristol. March 9, 1934, No. 7584. [Class 102 (i)] A fuel-injection pump comprises a movable cylinder 10 having a port 21 and a seating 20 adapted to engage a seating 19 in the pump casing which is also provided with an inlet port 22. The pump plunger 11 is connected to a sleeve 41 by a pin 29 which passes through slots 28, 33 in the pump casing and tappet 32 respectively. A spring 39 engages the sleeve 41 and actuates the plunger in the suction stroke, the length of the stroke being determined by engagement of the sleeve 41 with an adjustable plate 40. The plunger is actuated in its delivery stroke by engagement of the end of the slot 33 with the pin 29. The tappet 32 engages projections 26 upon an eccentric sheave 25 which is prevented from rotating. The tappet 32 is loaded by a spring 46 abutting a pin 44 fixed to the pump casing and passing through slots 43 in the tappet. A screwed collar 34 is arranged in the upper end of the tappet 32 and engages a collar 35 upon the cylinder so that the cylinder is positively actuated on the suction stroke. A spring 37 is arranged between a collar 36 and washers 42 and moves the cylinder towards the seat 19 during the first part of the delivery stroke.
Patent GB-464953-A (GB)
Title: Improvements in light reflecting devices
IPC: G02B5/128
Filed: 1936-03-14
Abstract: 464,953. Reflectors. WHISTANCE, K. J. March 14, 1936, No. 7712. [Class 97 (i)] [Also in Groups XI, XV, and XVIII] A reflecting device con. sists of a multitude of spheres of a transparent or trans. lucent synthetic resin which are caused to adhere to the surface of an opaque or coloured background without being sunken or substantially embedded in the enamel &c used to effect the adhesion Fig. 1 shows a warning device for cycles, comprising a celluloid strip 5 covered with a multitude of spheres 7 of transparent synthetic resin; such as acrylic or metacrylic acid or ester, ketone aldehyde resin or vinyl resin. The strip 5 is attached to a mud guard by clips 6. Fig. 3 shows another form of warning device comprising a casing 10 having at one end a red glass 11 and at the other end a parabolic reflector 12 to which spheres 7 are attached by an adhesive. A prism 13 directs light into the interior of the casing 10. The reflecting device may also be used for roadside advertisements, or on motor vehicle identification plates, or on wall paper to enhance the decorative effect thereof, or on lamp shades, or on warning signs such as the beacons used at pedestrian crossings.
Patent GB-609376-A (GB)
Title: Improvements in electrical discharge device
IPC: H01J19/34
Filed: 1946-03-12
Abstract: 609,376. Thermionic valves. MACHLETT LABORATORIES, Inc. March 12, 1946, Nos. 7729 and 7730. Convention dates, May 19, 1945, and May 26, 1945. [Class 39 (i)] A cathode comprises a pair of fixed supports, 25 and 30, Fig. 6, with one or more filaments rigidly connected at their ends to the supports and extending generally helically about the axis through an angle, preferably of not more than 360 degrees. The length of the filaments 35, 35a is such that upon expansion resulting from heating to normal operating temperature the filaments lie on an imaginary cylindrical surface concentric with the axis and passing through the supports. This arrangement is stated to obviate the use of springs to control filament expansion. Fig. 1 shows the cathode used in a triode in which the anode 12 has a metal skirt 13 fixed to it to form a screen protecting the seal 11 against electron bombardment; the grid support wires 19 are secured to a conical shield 20. Fig. 10 shows a rectifier, using a modified arrangement in which the filaments are formed in loops 81, the bands being secured to one support 80 and the ends to supports 78, 79b; these are displaced angularly at 180 and 90 degrees respectively from the support 80.
Patent GB-550110-A (GB)
Title: Improvements in or relating to metal working
IPC: C22F1/04
Filed: 1941-06-19
Abstract: 550,110. Altering physical or molecular structure. NORTHERN ALUMINIUM CO., Ltd., and HOWITT, F. June 19, 1941, No. 7758. [Class 83 (iv)] Aluminium or magnesium alloy stock is prepared for forging by initially working it at a temperature well below the forging range to such an extent that the grain size, after increasing, has begun to decrease. The temperature is preferably ordinary room temperature and, after working, the stock is rapidly heated to forging temperature, e.g. in a nitrate, molten metal or oil bath, or in rapidly circulated hot air. For an aluminium alloy piston, the billet may be hammered at room temperature to reduce its length 50 per cent or more, heated to 400‹ C.- 450‹ C., and forged. The forging may then be rapidly reheated, e.g. to 490‹. C.-520‹ C., and soaked at this temperature or at a lower one. Instead of hammering, the working may be effected by rolling, drawing, extrusion, &c.
Patent GB-270621-A (GB)
Title: Improved window sash and door fasteners
IPC: E05F11/00
Filed: 1926-06-08
Abstract: 270,621. Gibbs, C. M., Howes, W. C., and Crofts, G. June 8, 1926. Hasp fastenings; fastenings for sliding windows.-A bracket mounted on the window frame carries a hinged tongue C engaged by one or two spring-pressed slides F mounted in a bracket E on the lower sash, the tongue actuating a plunger N to enter one of a series of recesses K in the upper sash. The recesses contain springs G acting with a spring 0 to free the plunger N from the recesses when the tongue C is released by withdrawing the slides F. The tongue C may be spring- hinged.
Patent GB-163536-A (GB)
Title: Improvements relating to air screws
IPC: B64C11/04
Filed: 1920-03-16
Abstract: 163,536. Watts, H. C. March 16, 1920. Screw propellers.-Relates to air screws in which two or more independent blades are removably secured in split sockets on the boss by annular flanges and consists in arranging each flange to bear against an annular member housed in the socket. The blade a takes into a socket b and has an internal sleeve c and an external sleeve d. The blade a is bent to form a flange a<1> and is attached to two flanges e, f, of which the portion e is arranged to bear against the shoulders b<2>. In a modification, the flange f is formed as a plate and its edges are upturned to bear against the socket shoulder whilst the flange e is omitted and the sleeve c and root of the blade a are inturned inwardly and secured to the plate f. In another form, the sleeve d is stepped or its outer end is faced and bears against the socket shoulder, and the blade root is turned back on itself to encircle the bottom of the sleeve. The sleeve d may be screwed into the socket.
Patent GB-398113-A (GB)
Title: Improved fuze setting apparatus
IPC: F42C17/00
Filed: 1933-03-15
Abstract: 398,113. Setting projectile fuzes. ROMBERG, H., 76, Geibelstrasse, GIETMANN, A., 124, Golzheimerstrasse, and RHEINISCHE METALLWAAREN-UND MASCHINENFABRIK, 195, Ulmenstrasse, all in D³sseldorf, Germany. March 15, 1933, No. 7860. [Class 9 (i).] Energy for operating a fuzesetting apparatus is stored in a flywheel. The apparatus shown comprises a pair of fuze-setting devices b<1>, b<2> each having a socket c operated by a handle d<2>, which also sets a lamp indicator d in accordance with a transmitted command of the desired fuze setting, and a second socket c<1> operated by a handle e or motor-operated crank through mechanism similar to that described in Specification 334,550. A gear wheel k in the mechanism between the handle e and the socket c<1> is now connected through gearing l, l<2>, l<3> to a flywheel l<4>, and a free-wheel clutch g<0> is inserted in the spindle of the gear wheel k, so that the flywheel when once speeded up by the handle e can take charge and perform several fuze settings over a prolonged period of time without further operation of the handle e.
Patent GB-640456-A (GB)
Title: Improvements in and relating to electro-static precipitation plant
IPC: B03C3/00
Filed: 1947-03-21
Abstract: 640,456. Electrostatic precipitation. HOLMES & CO., Ltd., W. C., HOLMES, F. B., SYKES, W., and PEARSON, C. March 21, 1947, No. 7862. [Class 39 (i)] An electrostatic precipitator comprises a chamber of circular, elliptical or of similar curved cross-section divided into two compartments by a partition 4 extending from its base to adjacent its upper end so that the gas under treatment enters one compartment at its lower end 5, passes upwards and then downwards through the other compartment at whose lower end is the outlet 6. The positive earthed electrodes are in the form of plates which are correspondingly curved to the. chamber. A plurality of semi-cylinders 9 consfitute with the chamber wall the positive earthed electrodes, the negative electrodes being constituted by wires 10 secured between upper and lower members 11, 12, the member 11 being suspended by an insulator 13. Within the insulator is the lead to the negative electrodes. A byepass pipe provided with valves, may be provided between the inlet and outlet pipes. The distance between the electrodes may be adjusted. According to the Provisional Specification the chamber may be of rectangular cross-section and the positive earthed electrodes flat plates.
Patent GB-941597-A (GB)
Title: Textile carding process and apparatus
IPC: D01G15/44
Filed: 1962-02-28
Abstract: 941,597. Carding engines. SWIFT SPINNING MILLS Inc. Feb. 28, 1962 [March 13, 1961; Jan. 2, 1962], No. 7876/62. Heading D1N. A carding machine has two main cylinders with associated flats and two transfer cylinders located between the main cylinders. All these cylinders are clothed with straight teeth, the preferred clothing being of the metallic type illustrated in Fig. 6. While the transfer cylinders 19, 22 may have diameters as small as six inches, larger diameters are preferred, particularly for cylinder 22 so as to provide a wide fibre working area with cylinder 24. With cylinders 10, 24 of fifty inches diameter and cylinders 19, 22 of twentyseven inches diameter, surface speeds of 2100 to 2300 feet per minute are proposed for the former and 100 to 635 feet per minute for the latter. It is stated that fibre hooks lead on all cylinders.
Patent GB-138222-A (GB)
Title: Improvements in circular saws for cutting metal
IPC: B23D47/04
Filed: 1919-03-29
Abstract: 138,222. Stewart, J. March 29, 1919. Circular-saw machines.-A circular saw for metals is provided with a casing one end of which forms a chamber or enclosed support for the transmission gear, and constitutes an oil-well for the lubrication of the gear, and the other forms a separate enclosure for the saw blade. An arrangement with speed driving-gear is shown in Fig. 1, but the spur gearing may be replaced by a chain or other drive. The saw C is supported in a recess at the end of the case A; an upward projection t' with hinged extension t<2> securing that the periphery of the saw is exposed only so far as is necessary for the cutting operation. The work is secured by means of a clamping-lever s in a recess p' in a work table p moved by means of a screw r to slide on a support B. The bearings of the saw spindle n' can be withdrawn from their supports, thus allowing of the removal of the spindle and saw for sharpening.
Patent GB-477670-A (GB)
Title: Improvements in the manufacture of concentrated coffee extract
IPC: A23F5/28
Filed: 1937-03-18
Abstract: In making coffee extracts the difficultly condensable aromatic constituents of coffee vapours are incorporated by scrubbing these vapours with cold, concentrated coffee extract.  In carrying out the process, ground roasted coffee is extracted with hot or boiling water in a closed system to produce the coffee extract. This is concentrated and the vapours produced drawn off, cooled and scrubbed with the cooled concentrated extract.
Patent GB-330918-A (GB)
Title: Improvements in and relating to the production of gaseous mixtures suitable for the synthesis of hydrocarbons, methanol, and other oxy-organic compounds
IPC: C10J1/213
Filed: 1929-03-11
Abstract: 330,918. Natta, G. March 11, 1929. Producers.-Gaseous mixtures of hydrogen and carbon monoxide suitable for the synthesis of hydrocarbons, methanol, and other oxy-organic compounds are made by passing a mixture of oxygen and water vapour (in the proportion of not more than one volume of oxygen to two volumes of water vapour) over carbon at a temperature not exceeding 750‹ C. and removing the carbon dioxide. The mixture thus obtained contains two volumes of hydrogen to one of carbon monoxide, but by preheating the oxygen and water vapour and working at below 700‹ C., a mixture of three volumes of hydrogen to one of carbon monoxide is obtained. A pressure higher than atmospheric, but not exceeding 15 to 20 atmospheres, may be employed. From this mixture methane may be obtained catalytically. Specification 304,760 is referred to.
Patent GB-647055-A (GB)
Title: Improvements in or relating to amplifying circuits
IPC: H01G4/12
Filed: 1947-03-24
Abstract: 647,055. Variable condensers. PHILIPS LAMPS, Ltd. March 24, 1947, No. 8013. Convention date, March 27, 1946. Drawings to Specification. [Class 37] [Also in Groups XXXIX and XL (c)] A condenser uses as a dielectric a crystal comprising a mixture of two or more of the titanates of barium, strontium or lead, the properties of the condenser depending on the voltage and/or the current applied. The condenser may be used in a non-contact-making relay circuit (see Group XXXIX).
Patent GB-793665-A (GB)
Title: Improvements in or relating to electron discharge tubes
IPC: H01J23/065
Filed: 1956-03-14
Abstract: 793,665. Travelling-wave tubes. TELEFUNKEN GES. March 14, 1956 [March 19, 1955], No. 8026/56. Class 39(1). In a travelling-wave tube in which the current component of the noise fluctuation is reduced by the known " space-charge-deamplification " principle, the velocity component of the fluctuation is simultaneously reduced by providing in the space-charge region velocity-selection means which ensure that only electrons of a limited range of velocity pass on to the wave interaction region. As shown the helix 1, Fig. 1, is spaced from the face 9 of the gun assembly a distance giving optimum deamplification of the current wave as described in " R.C.A. Review " June 1954, pages 252-267. Within the gun assembly is a 90‹ velocity selector consisting of curved deflecting plates 7, 71 which acts on the electrons after they have been accelerated to about 10 volts by screen 6. Other forms of selector include a 127‹ deflector, Fig. 2 (not shown), a magnetic multiple screen arrangement, Fig. 4 (not shown) and a focussing type consisting of an annular aperture 13, Fig. 3, through which the beam is focussed by magnetic field M. Positive-ion bombardment of the cathode is reduced.
Patent GB-1387108-A (GB)
Title: Mechanism for use in a card reader
IPC: G06K7/08
Filed: 1973-02-19
Abstract: 1387108 Card reader TOKUSHO SEIKI CO Ltd and TOKYO MAGNETIC PRINTING CO Ltd 19 Feb 1973 [17 Feb 1971 28 April 1972] 8106/73 Heading G4M A magnetically or optically readable card, e.g. a credit, identification, or rail ticket card, is inserted in slot 23 and pushes a deck 4 along grooved rails, 3 1 , 3 2 , against a spring 6 force until the deck rests against plate 2. At the same time a lower deck 15 is slid along rails 20 1 , 202, against spring 19 force by lever 8 and pivotable arm 9 engaging with lug 17. When projection 9 2  hits projection 21, arm 9 rotates and deck 15 is returned by spring 19. Simultaneously a magnetic reading head 10, supported on a plate 11 pivotable against springs 14 1 , 14 2 , is pressed against the card and scans along it. Towards the end of the scan, the head is lowered by roller 13 engaging with arm 22. The card is ejected by spring 6 and arm 9 re-engages deck 15. In one embodiment (Figs. 6-9, not shown) a spring- loaded slot door is provided to keep out dust. It has a tapered edge so that it is displaced by the card front edge.
Patent GB-145875-A (GB)
Title: Improvements in or relating to screw propellers
IPC: B64C11/00
Filed: 1919-04-01
Abstract: 145,875. Beedle, W. April 1, 1919. Screw and like propellers.-A screw propeller of the kind having blades of semi-annular or semielliptical form has arms to which the wide tip is attached, the narrower roots being secured to the arms, narrow boss or both in a plane perpendicular to the propeller shaft which also contains the tip attachment. The propeller comprises blades c, Fig. 1, with broad tip c<1> attached at d to arms a and with narrow root c<2> attached at d<1> the arms being carried by a small boss b. In modifications, the root of one blade is brought round the boss and attached to the arm of the opposite blade or the root is attached to an arm and to the boss. In a further modification, the root c<2> encircles the boss b and is enclosed in a sleeve e, Fig. 5, a set screw f passing through the sleeve into the boss.
Patent GB-142879-A (GB)
Title: Improvements in and relating to the production and utilisation of sulphur dichloride
IPC: C01B17/45
Filed: 1918-05-17
Abstract: Consists in the use of absorbent charcoal instead of the usual catalysts for facilitating the combination or re-combination of chlorine with sulphur monochloride to form the dichloride.  The completeness of the reaction of chlorine on the monochloride is determined by the increase of volume or weight.
Patent GB-111438-A (GB)
Title: Improvements in Vehicle Steering-gear Mechanism.
IPC: B62D11/10
Filed: 1917-06-11
Abstract: 111,438. Caterpillar Tractors, Ltd., (Holt Manufacturing Co.). Juno 11, 1917. Independent driving on opposite sides; compulsory differential driving. -In endless-track and other vehicles in which a single controller controls steering-clutches on either side of the vehicle, the controller can be turned axially or swung forwardly and each clutch is provided with a reduction gear which is brought into operation in one position of the controller. The vehicle is driven by a bevel-wheel 11 carried on a sleeve 10 having spur gears 14 meshing with planet pinions 15 which mesh with internal teeth on loosely mounted clutch members 18 and are carried on spiders 16 splined to the driven shafts 4, 5. The clutch members 18 are provided with brake bands adapted to be tightened by cam devices controlled by levers 25. The mating clutch members 19 are splined to the shafts 4, 5 and are thrown out of engagement by lovers 22. With the clutches and brakes disengaged, the shafts 4, 5 are not driven. If one of the brake bands be operated, the drive on that side is effected through the planet gear. With the clutches engaged, a solid drive is effected. The clutch and brake levers 22, 25 are controlled by bell-crank levers 27 connected by links 28 to a cross-arm 29 mounted on a shaft 30. The shaft 30 is rotatably mounted in a socket 31 pivoted between lugs 33. On moving the shaft forwardly, the bell-crank levers throw the clutches 18, 19 into engagement and the vehicle is driven forwardly. Initial rotation of the shaft 30 in either direction throws out one or other of the clutches- and frees the drive on one side. Continued rotation of the shaft 30 operates the brake band and the drive on that side is then effected through the reduction gearing.
Patent GB-288570-A (GB)
Title: Improvements in or relating to vehicle wheels
IPC: B60B17/00
Filed: 1928-03-19
Abstract: 288,570. AciÚries de Haine St. Pierre et Lesquin Soc. Anon. April 12, 1927, [Convention date]. Disc wheels.-A cast-metal wheel is formed with radial corrugations d extending from the hub b to the rim c. The' corrugations converge in the direction of the hub and in modifications (not shown) it is stated they may be non-radial or curved.
Patent GB-1582107-A (GB)
Title: Nuclear reactor
IPC: G21C1/08
Filed: 1978-03-02
Abstract: In the water-cooled nuclear reactor, the vertically arranged control rods (50) pass through the outlet plenum (26) into the fission chamber (12), these control rods being surrounded by thimbles. A major portion of the cooling water flow is fed directly to the floor of the fission chamber (12), so that flow through the latter takes place in an upwards direction. A small portion pressurises a space (72) in the upper part of the tank and flows downwards through the rod thimbles and thus reaches the major portion of the cooling water flow in the lower part of the fission chamber. The result is to provide a cooling arrangement in which the control rod cooling is less critical with respect to the flow control and the performance in the case of an emergency shutdown of the reactor. <IMAGE>
Patent GB-259471-A (GB)
Title: Improvements in the roofs of closed vehicle bodies
IPC: B60J7/04
Filed: 1926-03-27
Abstract: 259,471. Standard Motor Co., Ltd., and Maudslay, R. W. March 27, 1926. Opening tops. - In closed vehicle bodies of the kind having a sliding roof-portion or hatch, the front of the roof is provided with a pair of rails extending to the extreme front and secured to the windscreen pillars, while the sliding hatch is guided on the rails and extends to the extreme front. The sliding hatch 6 is guided on side rails 2, 3 having steps 7 and channel 5 into which engage flanges 8 on the hatch. Longitudinal grooves 10 with lateral drains are provided to prevent rain from entering the body, and the front 12 of the hatch, in the closed position, contacts with a lip 13 of rubber carried by the windscreen. Grooves 23 with apertures 15 are provided in the side rails to accommodate a locking bar 14 on the hatch. Specification 260,433 is referred to.
Patent GB-920341-A (GB)
Title: Surgical needles
IPC: A61M5/32
Filed: 1960-03-09
Abstract: 920,341. Hypodermic needles. R. A. GLASSON. May 4, 1961 [March 9, 1960], No. 8379/60. Class 81 (2). [Also in Group XVII] A hypodermic needle having a mount 2, which may be of nylon, is provided with a protective cover, fitted over the needle and detachably engaging the mount, and both are enclosed in a sealed envelope 18. When required for use, the envelope is cut along the line 20 so that the amount can be fitted on the nipple of a syringe before the envelope and protective cover are withdrawn. In order to ensure sufficient rigidity for the protective cover it is proposed to make it from polyethylene tube. Instead of sealing the assemblies in individual envelopes, a number may be placed within a continuous length of tubing which is sealed transversely between adjacent assemblies, so that one may be cut off when required.
Patent GB-658819-A (GB)
Title: Improvements in or relating to electrical measuring instruments
Inventor: MCBRIDE MAURICE GRAHAM
IPC: G01R27/12
Filed: 1949-03-29
Abstract: 658,819. Electric measuring instruments. SANGAMO WESTON LTD. March 29, 1949, No. 8538. [Class 37] An instrument, such as a moving coil ratiometer, that has little or no restoring force, has its pointer brought back to a datum point by a spring or gravity actuated member adapted to engage with and move the pointer back to datum position when the instrument is deenergized, and which is moved in the reverse direction when the instrument is energized so as to free the pointer. As shown, when the instrument is energized, windings 25 are energized to attract pivoted armature 35 against the action of a spring 36 and thus rotate arm 37 carrying a ratchet 38 engaging and thus rotating gear 40 to swing arm 44 over to the right, thus freeing the pointer a for movement ; when the instrument is deenergized, armature 35 is released, and the arm 44 swings back, carrying pointer a with it. An auxiliary indicator 47 may give an on-off indication. Specification 567,435 is referred to.
Patent GB-162161-A (GB)
Title: Sharpening & polishing powder
IPC: C09K3/14
Filed: 1920-04-16
Abstract: A sharpening and polishing powder is obtained by heating to at least a red heat a mixture of say 2 parts of asbestos powder and one part of cotton waste or similar carbonaceous matter.  Rouge or other mineral color may be added.