baber/WOPTO huggingface dataset:
Patent GB-874891-A (GB)
Title: Improvements in or relating to lighting fixtures
IPC: F21S8/06
Filed: 1958-02-27
Abstract: 874,891. Lighting fittings. NIKOLL, R., [trading as NIKOLL METALLWARENFABRIK, RUPERT.]. Feb. 27, 1958, [Feb. 27, 1957; March 9, 1957], No. 6423/58. Class 75(3). A lighting fixture comprises a plurality of branches arranged to be releasably locked in angularly spaced positions about a support rod each branch being pivotally secured to a supporting element carried by the support rod so that it can pivot about an axis lying in a plane containing the support rod. In one form, the branches 1, Fig. 1 are rotatably mounted in holes in a circular support plate 2 being held in place by collars 3 screwed on to the branches on opposite sides of the plate 2. The plate 2 is carried by a rod 4 between a block 5 and a collar 7. The upper ends of the branches 1 have transverse slots engaged by a series of radial projections on a plate 9 mounted around the block 5 so that they are normally locked in position. The plates 2, 9 and the ends of the branches are enclosed in a bowl-shaped base 11 and cover 12. The branches may alternatively project laterally being pivoted on bolts passing through a support plate, the plate and the inner ends of the branches being enclosed in a cover as in Fig. 1, the top of which may however enclose an inverted bowl-shaped element with grooves at the edge to hold the branches against rotation. Alternatively, the edges of the cover may be shaped to engage the branches. In a further modification the branches 1, Fig. 10, pass through apertures in the support plate 2 and are secured by nuts 22. Transverse pins 25 passing through the branches fit into apertures in a locking plate 9 mounted below the plate 2. Alternatively the plate 9 may have square apertures which mate with square locking members carried by the branches.
Patent GB-674742-A (GB)
Title: Improvements in and relating to quick clamping devices
IPC: F41G11/00
Filed: 1945-03-14
Abstract: 674,742. Mountings for binoculars. WOODHOUSE, C. H. L., and BAIRD, O. May 25, 1946 [March 14, 1945], No. 6444/45. Class 97 (i). [Also in Groups XXI, XXIII and XXV] A quick-clamping and quick-aligning device, particularly for the reception of binoculars 8 on the sight-bar 20 of a gun mounting, comprises a fixed jaw 1 and a jaw 2 movable about a pivot 3 into the clamping position by rotation of a threaded member 5 having a surface cam 7 bearing on an abutment of the jaw 2. The jaws may be held out of the line of sighting to provide open sights by engaging a spring-urged bolt in an upper hole 25 instead of the lower hole 25, as shown. In a modification, Fig. 3, the jaws are tiltable by rotation of a range drum driving an eccentric 30.
Patent GB-1050939-A (GB)
IPC: C03B33/06
Filed: 1965-02-15
Abstract: 1,050,939. Cutting glass tubing. CORNING GLASS WORKS. Feb. 15, 1965 [Feb. 21, 1964], No. 6449/65. Heading C1M. A glass tube 12 is scored internally prior to snapping by a cutter wheel 13 mounted for straight-line movement transverse to the axis of the tube by means of a linkage 11 on the end of a rod 16 displaceable longitudinally in a graduated hollow support 34 passed into the tube. A roller 27, symmetrically mounted with respect to the cutter, ensures that the cutter is held in contact with the tube during rotation by the handle 14. When the cutter and roller have been moved into contact with the tube by withdrawal of the handle 28, the rod 16 is placed under pressure of the spring 30. The tube is supported by adjustable grippers 43, 44, and, in order to enable the device to be used on long lengths of tubing, extensions of the rod 16 and support 34 are provided.
Patent GB-1343364-A (GB)
Title: Process for accelerating metallurgical reactions and apparatus for performing the process
IPC: C21C5/52
Filed: 1972-02-11
Abstract: 1343364 Refining metal FRIED KRUPP HUTTENWERKE A G 11 Feb 1972 [16 Feb 1971] 6507/72 Heading C7D A metal is refined by moving a stream of molten metal along a channel in counter-current to slag, e.g. in an inclined counter-current channel in which a metal 4 is drawn up the incline by an electro-magnetic travelling field pump, the slag/ metal reaction being promoted by the action of the nozzles 7, 8, 11 which emulsify the metal and slag. The nozzles are inclined to prevent the metal (12) Fig. 2 (not shown) in contact with the channel walls from moving in the same direction as the slag and maybe inclined to the slag-metalboundary surface. The refining of pig iron, scrap or similar material to form steel may be performed by the method. The gas injected may be oxygen or a reducing gas which is preferably mixed with an inert gas. Gas forming substances such as limestone or hydrocarbons may also be injected to assist in accelerating the metal-slag reaction.
Patent GB-1137324-A (GB)
Title: Turnstiles
IPC: E06B11/08
Filed: 1967-02-10
Abstract: 1,137,324. Turnstile. LITTON INDUSTRIES Inc. 10 Feb., 1967 [10 Feb., 1966], No. 6599/67. Heading G4T. A turnstile comprising a rotatable hub 13 carrying spaced barrier arms may be locked against rotation in one or both directions by pawls 24, 25 engaging recesses 23 in the hub, the pawls being individually operable by solenoids 31, 32. The solenoids are included in a control circuit which may be set up so that the solenoids are energized to withdraw their associated pawls only upon the insertion of a coin, token or ticket in the turnstile to permit passage in one or other direction, or one or both solenoids permanently energized to permit free passage in one or both directions, or one or both solenoids disconnected from the circuit to prevent passage in one or both directions. The hub rotates about an axis arranged at 45 degrees to the vertical and carries three barrier arms positioned at 45 degrees to the hub axis. A cam 35 co-operates with a spring-loaded stop 36 to ensure correct positioning of the barrier arms. Movement of the pawls is cushioned by stops 45, 46. The hub carries cams 56, 57, 61 cooperating with switches 52, 53. The control circuit for pawl 24 consists of a relay 65 connected through a selector switch 62 to solenoid 31. Closure of switch 71 by a coin or the like, energizes the relay to close hold-on contacts 65a, 65e and contacts 65c, 65f, completing the circuit of solenoid 31. Operation of switch 53 by rotation of the turnstile breaks the circuit to return the pawl to its locking position. The selector 62 may be set to contact 64 so that solenoid 31 is permanently energized, or, to contact 67 so that the solenoid is disconnected. Likewise, the control circuit for pawl 25 consists of a relay 72 connected through selector switch 74 to solenoid 32.
Patent GB-852993-A (GB)
Title: Improvements in seals for bearings
Inventor: VERNON KENNETH STANLEY
IPC: F16C33/78
Filed: 1958-03-01
Abstract: 852,993. Bearings. BURTONWOOD ENGINEERING CO. Ltd. Feb. 26, 1959 [March 1, 1958], No. 6642/58. Class 12 (1). [Also in Group XXVI] A sealing-ring for a ball or other bearing comprises a flat ring of synthetic plastic material having a stiff annular zone 6 and a thin outer marginal edge 9 dimensioned so that when it is inserted in a groove 5 in the outer bearing race 2 it is deformed under compression and thereby held in the groove. The inner zone 7 of the ring is tapered and ends in a sealing lip 8 that engages the inner race 1. In a modification, Fig. 2 (not shown), in which the ring acts as a dust shield only, the zone 6 extends to the inner periphery of the ring. In its free state the edge 9 may be folded over to form an inwardly open U-section or it may be a thin radial vane which is folded over when the ring is inserted in the groove 5. The ring may be of polyethylene, nylon, cellulose acetate, or cellulose acetobutyrate. Specification 811,357 is referred to.
Patent GB-1487664-A (GB)
Title: Preparation of spheroidal alumina particles
IPC: C01F7/02
Filed: 1975-02-17
Abstract: 1487664 Alumina-supported catalysts LABOFINA SA 17 Feb 1975 [18 Feb 1974] 6642/75 Heading BiE [Also in Division Cl] Aluminium oxide beads for use as catalyst supports are produced by a process which comprises (a) producing an aqueous mixture which comprises alumina hydrogel, alumina hydrosol, and at least one water-soluble ethylenic monomer whose uncross-linked polymer is water soluble or forms a gel, and dispersing this mixture as droplets in a hot substantially water-immiscible fluid; (b) allowing the monomer in each droplet to polymerise; (c) recovering the beads constituted by alumina hydrogel and hydrosol agglomerated by the polymer formed and (d) drying and calcining the beads. The fluid may be a hot gas through which the aqueous droplets pass counter-current, a column of liquid such as hot paraffin oil whose density is lower than that of the beads and downwardly through which the hardening droplets fall, or a column of liquid such as chloriated diphenyl whose density is higher than that of the beads, and upwardly through which the hardening droplets pass. In the examples the monomers used are acrylic acid, acrylamide 1, 2-diacrylamido-1, 2-dihydroxyethane. acrylonitrile, methacrylic acid, ethylene glycol monomethacrylate, and N - hydroxymethyl acrylamide in various combinations. In the production of catalysts, the beads may be impregnated with one or more compounds capable of generating active catalytic constituents, and the thus impregnated beads are then subjected to a thermal treatment. In the examples compounds used to impregnate the beads are zinc nitrate, chromium nitrate, and chloro platinic acid. Specification 1487666 is referred to, as in Specification 1487663.
Patent GB-127798-A (GB)
Title: Improvements in Apparatus for Hot Riveting.
Inventor: JONES GEORGE ALEXANDER ENDREWS
IPC: B21J15/10
Filed: 1919-03-17
Abstract: 127,798. Jones, G. A. E. March 17, 1919. Riveting.-A rivet 2 is inserted cold in the structure and is heated by an electric current between electrodes 5, 6. The electrode 5 is surrounded by insulating-material, the whole being enclosed in a protective metallic casing. The electrode 6 is similarly surrounded by insulating and protecting casings, and is mounted on a frame pivoted on the holder-up 22. When the rivet is hot, the electrodes are removed, the holder-up 22 is brought against the rivet, and the rivet is headed by a hammer in the usual way. There may be two men with tools 22, 6 co-operating with one man with a tool 5. The circuit may otherwise be completed from the electrode 5- through the rivet and one of the plates 3, 4. The current is obtained from a transformer 10.
Patent GB-224447-A (GB)
Title: Improvements in or connected with jigs for the washing of coal or the like and for separating it from its impurities
IPC: B03B5/24
Filed: 1924-03-15
Abstract: 224,447. Swann, C. S. March 15, 1924. Jigs. - A jig for washing coal and the like is divided by a weir T into compartments B, E, material being fed to the first by a shoot A. Heavy material is discharged to waste by a gate C and elevator D. In the second compartment E, remaining impurities are discharged by a gate G and returned by an elevator H to the compartment B for re-treatment. The gate G comprises two superposed independently adjustable apertures J, K. A modification comprises two separate jigs, the heavy material discharged through the gate J, K of the first being forwarded to the second.
Patent GB-1312757-A (GB)
Title: Aerating device for ice-cream making machines
IPC: A23G9/20
Filed: 1970-07-01
Abstract: 1312757 Aerated ice cream HERON ESTABLISHMENT 1 July 1970 [2 July 1969] 6687/ 72 Divided out of 1310993 Heading A2B [Also in Division B1] Liquid ice-cream mix is fed from a disposable container under gas pressure through a valved inlet 20 of an aerator 31 and thence through an opening 39a in the bottom of an inner container 37 to an opening 36 leading into a bore 35 in a core 34 depending from a lid 32, while gas enters the aerator through a valved inlet 19 and flows through an opening 39 in the inner container, along a groove 40 in the inside surface of the container, and through an opening 21 into the bore 35. The gas and liquid may be separated in the aerator by a partition 24 around the inner cylinder. The aerator may be connected directly or through a line to a mixer freezer.
Patent GB-863554-A (GB)
Title: Improvements in or relating to equipment for welding metal tubes, rods or the like
Inventor: MILLS JOHN BRIAN BYFORD
IPC: B23K9/028
Filed: 1958-03-03
Abstract: 863,554. Welding by fusion. GENERAL ELECTRIC CO. Ltd. March 3, 1959 [March 3, 1958], No. 6723/58. Class 83 (4). Apparatus for welding tubes or rods in line consists of a supporting body carrying clamps to hold the tubes or rods together, an electric motor and a plurality of electrodes or torches which are rotated around the tubes or rods by the motor. A portable apparatus for welding tubes consists of a body 3 carrying a handle 1, an electric motor 5, slotted clamps 4 in which the tubes 27, 28 are held and a boss 6 having a slot in alignment with the slots of the clamps 4. A sleeve 10, rotatably mounted on the boss 6 and having an integral gear-wheel 13 driven by the motor 5, carries two oppositely-disposed argon-shielded tungsten arc welding torches 14 set at 45 degrees to the axis of the tubes. The tubes may be butt-welded or a sleeve 29 on the tube 28 may be welded to the tube 27. A typical operation sequence initiated by actuation of button 2 is connection of a high-frequency current to the electrodes 21 followed by switching on the welding current. After 4 seconds the motor 5 rotates the torches through 210 degrees until switched off by a microswitch. The highfrequency current is disconnected and the welding current is decreased over a period of two to three seconds and cut off before the motor comes to rest. The apparatus rests for ten seconds and then repeats the operations with the motor 5 in reverse. The tubes are steel tubes of # ... 1 inch external diameter.
Patent GB-509350-A (GB)
Title: Improvements in hydraulic tele-control devices
IPC: F15B7/08
Filed: 1938-03-04
Abstract: 509,350. Hydraulic transmission of power. SOC. D'INVENTIONS AERONAUTIQUES ET MECANIQUES S.I.A.M. March 4, 1938, No. 6889. Convention date, Sept. 29, 1937. [Class 69 (ii)] A transmitter a and receiver b connected by two pipe lines Y, Z, each comprise a liquid reservoir 14a, 14b, and a pair of cylinders each containing a piston 6a, 7a, 6b or 7b carrying a spring loaded valve 19a, 20a, 19b or 20b adapted to open either by abutment against a stop 25a, 26a, 25b or 26b or by suction produced by the piston at the other end of the pipe line, whereby the pipe lines are placed into communication with the reservoirs to make up leakage.
Patent GB-422602-A (GB)
Title: Improvements in pistons for internal combustion engines
IPC: F16J1/02
Filed: 1933-07-07
Abstract: 422,602. Pistons. McCORMACK, R. J., 815, West Breckenridge Avenue, Ferndale, Michigan, U.S.A. July 7, 1933, No. 6959/34. Divided out of 420,924, [Group XXVII]. [Class 122 (i)] The head B<1> of an internal-combustion engine piston B is inclined at an angle B<2>, or is otherwise shaped, so that the force of the explosion acts on the piston with a component that counteracts the gravitational force on the piston in addition to counteracting the force due to the angularity of the connecting-rod. Specification 420,924 is referred to.
Patent GB-547756-A (GB)
Title: Improvements in and relating to apparatus for preventing ice formation on aircraft or for de-icing aircraft
IPC: B64D15/02
Filed: 1941-05-31
Abstract: 547,756. Preventing ice formation on aircraft. JAMESON, R. W. May 31, 1941, No. 6987. [Class 4] For preventing ice formation or for removing ice from aircraft, heated air is circulated through flow and return passages in the parts to be warmed, the air being returned to the heater for reheating and redistribution and so controlled as to conserve a de-icing temperature. Air is heated in a chamber 1 surrounding the engine exhaust stubs and is circulated by a fan 2 through a passsage 3 from which branches lead to passages 4a, 5a, 6a, 7a in the wings, tail planes and wind screen. Return passages 4b, 5b, 6b are formed by partitions with communication holes, and these passages communicate with a return duct 8 passing through the passage 3. A return passage 7b at the top of the wind screen communicates with the passage 7a through the space between two transparent plates. The return passages through the wings and tail planes may be formed by the whole of the wings and plates behind the partitions, or each wing may be divided into a number of passages by a series of partitions through which the air pursues a zig-zag course. Fig. 2 shows flow and return passages 9, 10 at the leading edge of a wing. Alternatively two flat partitions may form a return passage of triangular section, or the return passage may be formed by a tube. The flow and return passages in a tail plane may be formed by a central vertical dividing member 18b. A thermostat 26, Fig. 1, may control the flow and an additional or alternative manually controlled valve 27 may be provided for the purpose. An air inlet valve 28 may be provided.
Patent GB-1036641-A (GB)
Title: Improvements in or relating to laser amplifiers
IPC: H01S3/067
Filed: 1964-02-19
Abstract: 1,036,641. Lasers. AMERICAN OPTICAL CO. Feb. 19, 1964 [March 25, 1963], No. 6991/64. Heading H3B. The end face of a thin elongated laser element having a cladding of lower refractive index makes an angle # with a plane perpendicular to the longitudinal axis of the element, such that # is at least sufficiently large that any light travelling longitudinally and reflected by the end face passes through the side walls of the element without total internal reflection, and such that # is smaller than the value at which light is totally internally reflected at the end face. A neodymium glass fibre 14 is surrounded by a cladding 16, the end of the cladding being roughened at 24 to scatter light reflected by the end face 20 through the side walls, and an opaque coating 26 may also be provided. A cap 28 may be provided to assist mounting. It is stated that reduction of the reflectivity of the end faces increases the gain of the laser when operating as an amplifier of signals incident at one end. If n 1  and n 2  are the refractive indices of the laser fibre and the cladding # must lie between A cladding of soda-lime silicate is suggested for use with a 6% neodymium-doped glass laser. The cladding may be of solid, liquid or gaseous material, or a vacuum. Measurement of gain (Fig. 4, not shown). The gain of a laser 70 is measured by supplying input laser light from source 60 to the laser by way of a beam splitter which directs a fraction of the light on to a photo-tube 66 through filters 64. Light from the laser amplifier 70 is passed to a second photo-tube 76 through further filters 78. The output from photo-tube 76 when laser 70 is amplifying is compared with that when it is not amplifying.
Patent GB-307399-A (GB)
Title: Improvements in or relating to centrifugal pumps
IPC: F04D29/22
Filed: 1929-03-04
Abstract: 307,399. Soc. de Condensation et d'Applications Mecaniques. March 6, 1928, Convention date]. Void [Published under Sect. 91 of the Acts]. Impeller blades; casings.-The impeller vanes of a centrifugal pump are prolonged on the inlet side by a helicoidal part inclined in the direction of rotation of the impeller, in order that liquid may be admitted to the impeller without shock and back pressure. The inlet pipe has fixed vanes D, and the lower parts of the impeller vanes are of ordinary shape and run inside the casing R. The extended inner helicoidal parts of the vanes run inside the casing part R1 which is shaped like a truncated cone.
Patent GB-1284723-A (GB)
Title: Processing of photographic material
Inventor: RATOWSKY SIMON
IPC: G03D13/04
Filed: 1968-08-10
Abstract: 1284723 Photographic processing apparatus S RATOWSKY 11 Aug 1969 [10 Aug 1968 11 March 1969] 7085/72 and 7086/72 Divided out of 1284722 Heading G2A A carrier 10 for use with photographic processing apparatus as described and claimed in Specification 1284722, comprises a cylindrical drum 11 carrying a pair of press-fit end caps 12 through which processing liquid may be introduced into the drum to form a puddle in the bottom thereof and also carrying a pair of part circumferentially extending cam shoulders 21 adapted to cause the drum to oscillate in a vertical plane about a fulcrum on its longitudinal axis when the drum is rotated by horizontal roller shafts of the processing apparatus. This agitates processing liquid so as to prevent streaking on a finished print. One or more sheets 25 of the material to be processed is held by a web 24 and pins 26, or a roll film may be wound on a cage which rolls on the bottom of the drum. After processing, the drum is tipped up, and the cycle is repeated with an additional processing liquid or the sheets 25 are washed. In another embodiment, Figs. 2, 3 (not shown the web 24 is replaced by two arcuate segments (50) forming a mounting cylinder (51) insertable into the drum 11. In another embodiment, the carrier 10 may be modified for use on a level surface by mounting the cams 21 on a pair of fixed end caps 12 and providing suitable stops projecting from the drum 10 on the end caps to prevent full rotation of the carrier.
Patent GB-127668-A (GB)
Title: Improvements in or relating to Automatic Machine Guns.
Inventor: DIBOVSKY VICTOR VLADIMIROVITCH
IPC: F41A21/26
Filed: 1917-05-19
Abstract: 127,668. Dibovsky, V. V. May 19, 1917. Machine guns.-Relates to muzzle attachments for increasing the recoil action of automatic machine guns of the Vickers type, and consists in arranging the usual cup-shaped muzzle attachment F so that it normally closes the usual gasescape outlets O in the casing MA fixed by screw threads S to the gun casing. The bullet b is a sliding fit in the usual vent V formed in the plug D which closes the front of the casing. The gases following the bullet are therefore confined to a greater extent than usual and act with greater effect on the member F to move the barrel rearwards, the gases escaping through the passages 0 when these are uncovered. Specifications 20627/94 and 1138/03 are referred to.
Patent GB-106335-A (GB)
Title: Improvements in or appertaining to Disinfecting and analogous Apparatus.
Inventor: LINDLEY GEORGE HENRY
IPC: A61L2/07
Filed: 1916-05-22
Abstract: 106,335. Lindley, G. H. May 22, 1916. Vapours, treating with.-High-pressure steam for disinfecting, or for treating yarns or threads for manufacturing purposes, is admitted in small volume to a chamber a from the steam jacket b through a valve-controlled inlet 4. The steam escapes from the chamber a through a lightly-loaded valve 5 so that the pressure in the chamber remains low and some condensation takes place. After treatment, the inlet 4 is closed, an air inlet 8 is opened, and steam and air are extracted from the chamber by means of an ejector 13 supplied with steam from the jacket. In a modification, steam is supplied to the chamber a through a valve-controlled by-pass 10 from the pipe 7 supplying the jacket b.