baber/WOPTO huggingface dataset:
Patent GB-337566-A (GB)
Title: Process for the manufacture of acetone
IPC: C07C45/00
Filed: 1929-10-10
Abstract: 337,566. Elkington, H. D., (Naamlooze Vennootschap de Bataafsche Petroleum Maatschappij). Oct. 10. 1929. Dehydrogenated organic compounds; catalytic agents, preparation and treatment of.-Acetone is obtained by the catalytic dehydrogenation of iso-propyl alcohol at temperatures below 400‹ C. and preferably not above 350‹ C. using known catalysts such as copper, manganese peroxide, barium peroxide, metals of the platinum group, zinc oxide, cadmium oxide, uranium oxide, blue tungsten oxide, manganese oxide, vanadium pentoxide, magnesium oxide, beryllium oxide and zirconium oxide, with the addition of small quantities, preferably not more than 1 per cent, of one or more of the following substances, namely zinc oxide, thorium oxide, sodium carbonate, cerium oxide, zirconium oxide, or compounds yielding such substances during the reaction. The catalyst may be regenerated, for example by treatment with steam and/or oxidizing agents, such as air, at elevated temperature, followed by treatment with a reducing agent.
Patent GB-504639-A (GB)
Title: Improvements in louvre ventilators
IPC: F24F13/15
Filed: 1937-11-10
Abstract: 504,639. Ventilators. HUGHES, B. D., and GREENWOOD'S VENTILATING CO., Ltd. Nov. 10, 1937, No. 30838. [Class 137] A number of horizontally disposed louvres 4 are pivoted to the walls of a box 1 which has a front plate 2 with ventilating openings 3 and which is adapted to be inserted in a wall opening, and the louvres are connected to a bar 7 which constitutes a balance weight to keep them either in an open position as shown, or in a closed position. A chain 9 attached to a lug 8 on one of the louvres raises the balance weight, and either closes or opens the ventilator according to the disposition of the balance weight.
Patent GB-1158358-A (GB)
Title: Improvements in or relating to Pipe Couplings.
Inventor: CARTER RAYMOND CHARLES
IPC: F16L47/10
Filed: 1968-06-28
Abstract: 1,158,358. Pipe coupling. HEPWORTH IRON CO. Ltd. 28 June, 1968, No. 30863/68. Addition to 1,133,412. Heading F2G. In a synthetic plastic pipe coupling socket as described and claimed in parent Specification 1,133,412 wherein the socket has an inturned lip 6 defining an internal annular recess housing a resilient rubber sealing ring 7 held in place by an uncompressible synthetic plastic locking ring 8, together with an uncomprossible blocking ring 13 between the locking ring and lip to prevent expulsion of the sealing ring under test pressure, the sealing ring has a head 9 extending along and in contact with the surface of an inner portion 3 of the socket, which is of smaller diameter than the said recess, and having one or more inwardly-projecting circumferential sealing ribs 10, 11, preferably of semicircular crosssection, adapted to sealingly engage the end of an inserted spigot 12. The socket inner portion 3 is joined to the socket portion 2 defining the recess wall by a tapered wall portion 4 and, as shown, rib 10 lies within the portion 3 whilst rib 11 lies within the portion 4 and serves to stiffen the head 9 against collapse under endwise pressure from inside the pipeline. The coupling socket may be formed at the end of a pipe length having a spigot at the other end or at one of a sleeve having a similar socket at the other for connecting plain ended pipes. Embodiments of Figs. 2 and 3 (not shown) illustrate sockets having differently shaped recesses, and locking and blocking rings.
Patent GB-1381763-A (GB)
Title: Device dor detecting and compensating wear of tools in machine tools
IPC: G05B19/404
Filed: 1972-07-03
Abstract: 1381763 Gauging WERKZEUGMASCHINENKOMBINAT "FRITZ HECKERT" KARLMARX-STADT VEB 3 July 1972 30969/72 Heading B3B [Also in Division G3] In a system for detecting and compensating wear in a working tool of a machine tool, the working face of the tool is maintained within predetermined position limits along the tool feed direction, the tool positions being detected by a sensor which includes a portion that moves by substantially the same amount as the tool is worn. As shown, the grinding head 6 on a headstock 3 of a numerically controlled vertical grinding machine is maintained at a fixed position relative to the table 12, to which a workpiece 10 is clamped. A position sensor comprises an element 8 fixed in one of the positions of grinding elements 7 on the head 6, and an element 9 fixed to support 16 on the machine upright 14. In use, the position of head 6 is first set to its lower limit, element 8 being moved, or worn, as the wear on elements 7, by contact with the workpiece 10, until the upper position limit is reached. The system thus energizes motor 1 to bring head 6 back to its lower position, and the cycle is repeated to maintain the size of the workpiece within preset tolerances. The sensor 8, 9 may be inductive, capacitive, hydraulic or pneumatic, e.g. air jets.
Patent GB-311637-A (GB)
Title: Improvements in washing machines for milk churns and the like
IPC: B08B9/08
Filed: 1928-10-25
Abstract: 311,637. Prestage, E. Oct. 25, 1928. Milk churns, washing. -In a machine for washing milk churns and similar cans, of the kind described in Specification 283,421, comprising an apertured cylindrical casing rotatably mounted and enclosing a carrier which supports inverted churns and carries them past sprays of cleansing solution, means are provided whereby the weight of the casing can be transferred at will from the platform on which it normally rests to a point upon which it can readily be turned. In the construction shown, the casing 1 normally resting upon the flange 4 of a cylindrical wall 21 is rotatably mounted about a hollow shaft 2. A solid shaft 7 located within the shaft 2 is formed with a recess 8 to receive the end of a screwed spindle 5. The spindle is supported in a thrust bearing 9 which is secured by wings 14 and stays 16 to the roof of the casing 1. A set-screw 30 engaging a key-way 13 prevents rotation of the spindle in the bearing. A bevel wheel 10 screwed on the spindle engages a bevel wheel 19 on a shaft 18 which is mounted upon a roof stay 16 and is provided with a hand wheel 20. Rotation of the wheel 20 effects the lifting of the casing from the flange 4. In a modified construction, the bevel wheels are dispensed with, the lifting means comprising a spindle with a nut-shaped head screwed through a boss in the roof of the casing, its point bearing upon a fixed point within the machine.
Patent GB-462347-A (GB)
Title: Improvements relating to ignition means for rotary valve internal combustion engines
IPC: F01L7/02
Filed: 1935-11-09
Abstract: 462,347. Igniters in rotary valves. CROSS, R. C. Nov. 9, 1935, No. 31028. [Class 7 (vi)] Igniters 7 are mounted in rotary valves having passages controlling admission and exhaust, or are mounted in the housing and register with valve passages opening at the appropriate time into the combustion chamber. At starting the igniters may be electrically heated.
Patent GB-1368395-A (GB)
Title: Cooling system for a converter
IPC: C21C5/46
Filed: 1972-07-03
Abstract: 1368395 Metallurgical converters FIVES LILLE-CAIL 3 July 1972 [5 July 1971] 31107/72 Heading F4B A cooling system for a metallurgical converter, comprises panels 26, 28 which may comprise tubes welded together or moulded plates formed with passages, through which cooling fluid preferably water passes. Each panel has an inlet and an outlet orifice which lead to headers 22 and 24 respectively. The plates are mounted on the converter by shafts or spindles welded on to the converter, and received in oversized openings in the panels to provide a connection which accommodates the axial and radial expansion of the converter.
Patent GB-647507-A (GB)
Title: Pocket lighter
IPC: F23Q2/08
Filed: 1947-11-26
Abstract: 647,507. Pocket lighters. ANSBRO & MASON, Inc. Nov. 26, 1947, No. 31358. Convention date, Aug. 2, 1946. [Class 75 (iii)] A pyrophoric lighter is provided, in addition to the usual wick, with a flame jet tube 26 containing a wick 45 and having its upper end closed, except for a small aperture 47, and its lower end extended, at least to half the depth, into the reservoir 4, and such flame jet tube has a constriction 49 which presses radially inward against the wick 45. An additional constriction 50 may also be provided in the curved neck of the tube 26. Fig. 6. The bottom of the reservoir is closed by a slide 28 removable for re-filling purposes. An outer cap 29 telescopically mounted over casing 1 has slightly bowed walls to grip the casing 1, and is released by pressure applied at A, Fig. 3. Accidental opening of the lighter is prevented by a safety lever 54 placing a blocking lug 55 behind the spring 41 of the press catch 40.
Patent GB-728696-A (GB)
Title: Improvements in or relating to fuel injector filters
Inventor: COBB WILLIAM REGINALD
IPC: B01D29/44
Filed: 1952-12-11
Abstract: 728,696. Filters. BRYCE BERGER, Ltd. Dec. 8, 1953 [Dec. 11, 1952], No. 31371/52. Class 46. An oil filter comprises a tubular casing 5 having a circular cylindrical bore into which is fitted a square or polygonally sectioned bar 1 so as to form with the bore a plurality of segmental cavities each of which communicates with adjacent cavities through filtering passages provided by blunting the corners 6 of the bar intermediate the ends 11, 12 which make sealing contact with said bore ; oil supply and discharge ducts being provided to and from said cavities. As shown oil entering one end of the casing 5 traverses bores 9, 4 in the bar which is square sectioned to gain access to opposite cavities and after passing through filtering passages 6 to the other opposite cavities traverses bores 3, 10 and an axial outlet bore in a screw plug 14 by which the bar is secured against a shoulder at the inlet end of the casing 5.
Patent GB-1430850-A (GB)
Title: Rolling bearings
IPC: F16C33/38
Filed: 1973-07-02
Abstract: 1430850 Bearings FRITZ HAUG AG 2 July 1973 [5 July 1972] 31390/73 Heading F2A In a grease-lubricated rolling bearing, the distance between the outer diameter of the cage and the inner diameter of the outer race or the distance between the inner diameter of the cage and the outer diameter of the inner race is larger than the play of the rolling elements in the openings 2 of the cage, each opening having at least one space 8, 9 for a grease reserve. The cage is of low-friction material, such as polyamide 6.6, at least where it contacts the rolling elements. The cage may comprise two parts 3a, 3b adhesively joined together; alternatively, the cage may be a one-part comb-cage, in which the rolling elements are a snap-fit. Each opening 2 may have a conical recess 6 at one or both ends. Where the cage contains rollers, the rollers may be centred axially by projections at the ends of the openings. Where the cage is not wholly of plastics, it may be made of metal coated with plastics, or the openings 2 may be formed in cylindrical parts of synthetic material inserted into bores in the metal framework.
Patent GB-651191-A (GB)
Title: Improvements in and relating to automatic control apparatus for water heaters
IPC: A47J31/053
Filed: 1949-12-07
Abstract: 651,191. Partly magnetic switches. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 7, 1949, No. 31423. Convention date, Dec. 17, 1948. [Class 38(v)] [Also in Group XI] A water heater or coffee percolator 1, (see Group XI), is supported on an electric stove 8 which contains a cylindrical magnetic member 12 on a plunger 11 sliding within a cylinder 13. The stove heater power is controlled through a switch 15, 16 held in the open position by the plunger 11, and which is closed by depressing a plunger 20 which forces upwardly, through a pivoted rod 9, the plunger 11. The magnetic member 12 is thereby attracted to a second magnetic member 21 resting on the vessel base, and having arms 22<SP>1</SP> which pass through apertures in a water pump 24 and in a cup-shaped float 26. The arms have flanged ends 28, and when the vapour pressure under the front reaches a sufficient value the front rises and raises the member 21 away from the member 12 which then falls and opens the switch 15, 16. The water pump 24 and the float 26 contain regulated apertures for the purpose of steam and water vapour. Specification 622,175 is referred to.
Patent GB-489163-A (GB)
Title: Improvements in tractor trailer coupling devices
IPC: B62D13/06
Filed: 1936-12-18
Abstract: 489,163. Vehicle couplings. FOULGER, A. E. Dec. 18, 1936, No. 31515. [Class 103 (v)] In a tractor-trailer coupling of the kind in which a draw-bar 3 is adapted for pivotal connection to a single-axle trailer at two alternative points, one in advance of the axle x for forward movement of the combination and one to the rear of the axle for reverse movement, the draw-bar is connected to the tractor A so as to be capable of swivelling about an horizontal axis and permitting the trailer to accommodate itself to road inequalities, while the coupling pins 6, 6a which connect the bar 3 to the trailer are adapted for operation by the driver of the tractor. As shown the trailer frame 2 comprises two arc-shaped transverse bars 2a, 2c apertured at their midpoints for the reception of the coupling pins 6, 6a, which are respectively connected by bell-cranks 7, 7a to a common operating rod 9, in such a way that only one pin can be in coupling position at a time. At its forward end the bar 3 is provided with a pair of spaced arms 3a, 3b which are connected to a rotatable cross-bar 5 on the tractor A.
Patent GB-1213793-A (GB)
Title: Inhibition of corrosion of metallic surfaces
Inventor: BARNES JOHN NORMAN
IPC: C23F11/08
Filed: 1966-11-30
Abstract: 1,213,793. Iodine-containing detergents. DIVERSEY Ltd. 20 Nov., 1967 [30 Nov., 1966], No. 31600/70. Divided out of 1,213,792. Heading C5D. [Also in Division C7] A corrosion inhibitor, which may be applied to metallic surfaces subject to attack by acid atmospheres or solutions, and may be added to acid baths used to treat metal, comprises iodine and a surface-active agent which may be an alkyl ether sulphate, an alkanolamine, a phosphoric ester or an alkyl amine. When the surface active agent is an alkyl ether sulphate, phosphoric acid may be included in the inhibitor. The surface active agent may be a lauryl ether sulphate sodium salt, diethanolamine, tributoxyethylphosphate or a mixture of stearylamine, palmitylamine and margarylamine.
Patent GB-1142326-A (GB)
Title: Improvements in rotary mechanical seals
Inventor: DUREE JEFFREY
IPC: F16J15/34
Filed: 1965-07-24
Abstract: 1,142,326. Mechanical seals. UNITED STATES METALLIC PACKING CO. Ltd. 19 July, 1966 [24 July, 1956; 12 May, 1966], Nos. 31673/65 and 21108/66. Heading F2B. In a mechanical seal 10 for a rotary shaft 11  comprising a wear ring 17 of self lubricating material split into two or more segments and having a sealing face 24 abutting a sealing face 23 on a metallic packing ring 15, the wear ring is arranged so that in normal use its joint interfaces are urged into sealing engagement with one another by the pressure of the sealed fluid acting on the outer periphery of the ring, and by an encircling spring 20 which also acts to urge the joint interfaces together should the fluid pressure on the inner periphery of the wear ring 17 exceed that on its outer periphery. The ring 15 is secured to the shaft housing 12 by screws 16 and the ring 17 is sealed to the shaft by an 0-ring 18 located in a recess 12 in the ring 17 by a nose 22 of a driving ring 19 clamped to the shaft and having at least one axial pin (not shown) engaging an aperture in the wear ring 17 to thereby drive the latter. The rings 15, 17 and 19 are all split into halves, the halves of the rings 15 and 19 being held together by bolts (not shown) and those of ring 17 being held together by the garter spring 20. In use, the pressure in housing 12 acts on the right hand faces of the rings 17 and 18 to urge the face 23 against the face 24 and also acts on the outer periphery of ring 17 to hold the segment in contact with one another. In a modification, Fig. 2 (not shown), for use when the housing 12 is under vacuum, the wear ring (31) is arranged on the outside of the packing ring (15) and in a further modification, Fig. 3 (not shown), for use with both pressure and vacuum in the housing, the seal comprises both an internal (17) and an external (31) wear ring. Compression springs may be arranged between the wear rings and the driving rings to assist in urging the sealing faces into contact with each other. The driving ring (49) in a still further embodiment, Fig. 1A (not shown), is clamped to the shaft (41) by means of an axial set screw (56) having a conical end (57) engaging a ball (58) housed in a radial bore (59) in the ring and urged against the shaft by axial movement of the screw (56) as described in Specification 1,142,329, and the segments of the wear ring (47) are held together by a circlip (50). The halves of the metallic packing ring may be aligned by locators as described in Specification 1,142,328.
Patent GB-1522749-A (GB)
Title: Motor vehicle with a shelf in its luggage compartment
IPC: B60R5/04
Filed: 1976-07-30
Abstract: 1522749 Shelves in motor vehicle luggage compartments NISSAN MOTOR CO Ltd 30 July 1976 [5 Sept 1975] 31816/76 Heading B7B A shelf 10 is pivoted upwards by lifting either the front or rear thereof to gain access to the luggage compartment 8 respectively from either the vehicle interior or through the hatch 3, 5. Supports for the shelf, which may be completely 'removed, comprise pins 14, 14<SP>1</SP> secured to the shelf or vehicle body sides and snugly but releasably engaged in resilient U-shaped members secured to the other of the shelf or vehicle.
Patent GB-850213-A (GB)
Title: Improvements in or relating to propagator circuits for crosspoint switching networks
IPC: H04Q3/52
Filed: 1957-10-11
Abstract: 850,213. Automatic exchange systems. WESTERN ELECTRIC CO. Inc. Oct. 11, 1957 [Dot. 19, 1956], No. 31825/57. Class 40 (4). In a cross-point switching network a circuit for extending a marking from one stage to the next comprises normally backbiased diode shunted by a condenser normally maintained in a charged condition and arranged on receipt of a marking potential from a previous stage to discharge into the subsequent stage. Fig. 2 shows one half of a cascaded arrangement of switching stages symmetrical about a " bisector circuit " 16. A marking extended from terminal 10 fires the cross-point tubes of stage 11 connected thereto to cause propagator circuits 12 of the type described in Specification 850,211 to extend further markings to stage 13. When cross-points of stage 13 fire the marking is extended to stage 15 by propagator circuits 14 according to the invention. In each of these circuits diode 40 is back-biased by potentials received from sources such as 32, 33 and condenser 36 is charged to their difference potential. When a marking i.e. a rise in voltage is extended to the left hand side of this circuit, the right hand side of the condenser rises correspondingly to cause the firing of the cross-point tubes in stage 15 through which the condenser discharges. A clamping diode 37 limits the applied voltage in case one of the previous cross-point diodes becomes short circuited. Markings are extended similarly up to the bisector circuit 16 from the right hand network whereupon a through path is established. Heavy current through the impedances in series with the marking sources may then lower the network potentials to extinguish all cross-point diodes in unselected paths. To clear down a pulse of opposite polarity is applied to the marking terminals. In a modification, Fig. 3, the diode biasing potential and charging source for the condenser is provided by a single parallel connected battery 56. Specifications 704,108, 754,338, 770,936 and 850,214 are referred to.
Patent GB-223775-A (GB)
Title: Improvements in or relating to means for closing, sealing and drawing-off the contents of drums, cans and like containers
IPC: B65D47/24
Filed: 1923-12-19
Abstract: 223,775. Palmer, T. R. Dec. 19, 1923. stoppers adapted for discharging contents; stoppers, catch and like.-Means for closing, sealing and drawing- off the contents of drums, cans, &c. comprises a screwed stopper 1 fitting into a socket 4, Fig. 3, holes 2, 5 being provided which do not register with each other so that when the stopper is loosened the contents can be poured out but when screwed up tight the contents are sealed. A washer 3, suitably apertured, serves to make a tight joint, and is secured by tongues 10 in the form shown in Fig. 3, or by a bifurcated rivet when the aperture in the socket is central. In a modified form, shown in Fig. 10, the stopper is elongated and has a closed outer end and is provided with a pouring nozzle 15. In any of these forms the socket may be secured to an ordinary outlet 20 by the thumb-screw arrangement shown, a leather washer 24 being employed to ensure a tight joint. A filter device may be used, either as shown at 16 or in the form of a double washer 3 with a gauze interposed between the washers. A container having a socket and plug with a sealing disc interposed may be employed with the device, holes being made with a nail &c. in the sealing disc to allow the passage of the liquid. Specification 17862/05 is referred to.
Patent GB-961718-A (GB)
Title: A method of producing foam rubber articles
Filed: 1960-09-15
Abstract: 961,718. Moulding foam rubber. SEMPERIT OSTERREICHISCH - AMERIKANISCHE GUMMIWERKE A.G. Sept. 15, 1960 [Sept. 23, 1959], No. 31845/60. Heading B5A. Foam rubber articles such as mattresses and seat cushions are produced by pouring a latex foam composition into a mould, covering the mould with a pattern plate from the lower face of which core pins project into the mould, an air space being left between the upper surface of the foam composition and the lower face of the pattern plate to prevent air bubbles being formed in the surface of the finished article by air occluded when the pattern plate is placed in position, as would occur if the mould was completely filled, and then allowing the foam composition to solidify.
Patent GB-808197-A (GB)
Title: Improvements in and relating to projectile fuzes having a self-destructing device
IPC: F42C9/18
Filed: 1956-10-19
Abstract: 808,197. Ammunition fuzes. NEDERLANDSCHE MACHINEFABRIEK ARTILLERIE-INRICHTINGEN. Oct. 19, 1956 [Jan. 24, 1956], No. 31878/56. Class 9(1) A percussion fuze for rotated projectiles has a firing pin 2 locked by a spring-pressed bolt 3 and is stressed by a compression spring 5 which bears against a collar 6 recessed to house a ball 8. When the projectile leaves the gun, the ball 8 moves outwards, due to centrifugal force, to bear against am inclined surface 9 in the fuze body 1. The bolt 3 then moves outwards against the action of its spring and releases the pin 2. A disc 12 bearing against the spring 5 is mounted on a screw 13 secured in the body 1 and has one or more peripheral grooves 14 into which enter balls 15 adapted to run in a helical groove 16 in the body 1. As the projectile spins the ball 15 moves rearwardly along its groove 16 and in so doing turns the disc on the pin 13, whereby the disc moves towards the striker and tensions the spring 5. Thus the greater angular velocity, the greater is the tension produced in the spring in a given time. As the angular velocity decreases, the centrifugal force on ball 8 decreases until a velocity is reached at which due to the thrust of spring 5 the ball 8 moves inwards and the firing pin is released and driven by its spring against the percussion cap 4. In a modification the screw supporting the pressure disc 12 is omitted and the movement of the disc is controlled by balls housed in radial openings in the disc and bearing against the inner surface of the fuze body.