baber/WOPTO huggingface dataset:
Patent GB-493393-A (GB)
Title: Improvements in direction finding or homing systems
IPC: G01S3/42
Filed: 1937-09-09
Abstract: 493,393. Automatic control systems. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE. Sept. 9, 1937, No. 24634. Convention date, Sept. 9, 1936. [Class 38 (iv)] Alignment; steering.-A directional rotary aerial is maintained in a desired reception position by deriving from the aerial a direct current potential the direction of which is dependent upon the sense of deviation of the aerial, converting this potential into an alternating potential by a mechanical converter e amplifying the alternating potential by means of a valve g and distributing positive half cycles of this potential to one or other of two trigger devices I, II in dependence on the sense of deviation of the aerial so that the trigger device effects energization of a relay r or r<1> which energizes a motor in a direction to cause it to rotate the aerial towards its desired reception position. The trigger devices I, II, each comprise a glow discharge tube o, o<1> biassed by a battery s and connected to a condenser p, p<1>. When the positive half cycles are applied through the rectifier m, m<1> shown to one of the trigger devices they effect charging of the condenser p, p<1> until the associated discharge tube o, o<1> becomes conductive and operates the corresponding relay. The frequency of ignition of the glow discharge tube and with it the switching frequency with constant capacity p depends solely on the value of the voltage derived from the aerial which varies with the displacement of the aerial. The arrangement may be used for controlling a moving craft having a directional aerial fixed thereon in such a position that no direct current potential is derived from it when the craft is on its correct course.
Patent GB-356440-A (GB)
Title: An improved envelope
IPC: B65D27/22
Filed: 1930-08-18
Abstract: 356,440. Envelopes. RUDD, F., 24, Mill Drove, Uckfield, Sussex, and PIRIE, APPLETON, & CO., Ltd., 40, Holborn Viaduct, London. Aug. 18, 1930, No. 24644. [Class 146 (ii).] An envelope for cheap rate transmission is formed from the blank shown by folding the upper extension 3 along the line a, the part 2 forming the back of the envelope being then folded inwards along the line b, and the gummed side flaps 5 folded along the line c and secured to the external face of the parts 2, 3, thus forming a narrow pocket at the top of the envelope which is adapted to receive the flap 4. Reinforcing strips 7, 8 are provided.
Patent GB-584099-A (GB)
Title: Improvements relating to foundations for elastic fluid turbines
IPC: F16M5/00
Filed: 1944-12-08
Abstract: 584,099. Machinery beds and foundations. BRITISH THOMSON-HOUSTON CO.', Ltd. Dec. 8, 1944, No. 24644. Convention date, Dec. 11, 1943. [Class 80 (iv)] A foundation for an elastic fluid turbine or like machine subject to high temperature during operation comprises a sole plate 14 mounted on a block 13, cooling means being provided between the sole plate and the block to reduce the transfer of heat to the block. As shown, the cooling means includes tubes 17 welded to the sole plate 14, a pliable cement or putty 21 of good heat conductivity being filled in triangular spaces between the tubes and the sole plate. The block 13 is of concrete. To protect the block 13 from radiant heat the side thereof adjacent the turbine is coated with a layer 22 of asbestos or the like lined with cooling tubes 23.
Patent GB-768268-A (GB)
Title: Improvements in or relating to high speed axial-flow fans or blowers
IPC: F04D19/02
Filed: 1954-08-24
Abstract: 768,268. Axial-flow fans and blowers. AIR CONTROL INSTALLATIONS, Ltd., CLIFFORD, G. E., and HARDINGHAM, V. A. March 31, 1955 [Aug. 24, 1954], No. 24651/54. Class 110 (1). [Also in Group XXIV] A drive for a high-speed fan or blower comprises a number of rollers or balls arranged between and frictionally-engaging concentric inner and outer tracks, at least one of the tracks being fixed to or comprising a part of a bladed rotor, and rotation is imparted to the rollers or balls by a member fixed to a driving-shaft and transmitted to the bladed rotor. In the fan shown in Fig. 2, impellers 29, 30 are driven in the same direction and at the same speed by step-up epicyclic friction gearing comprising six planet rollers 39 rotatably mounted on arms pivotally attached to a carrier 36 fixed to the motor spindle 13. The rollers 39 engage conical surfaces on a stationary ring 45 and on the impeller hubs 33, 34. The surfaces of the hubs 33, 34 are of different conicity from the surfaces of the ring 45 so that wear is automatically taken up by axial movement of the impellers 29, 30 imposed by springs 43. In a modification, the rollers 39 are replaced by balls which are accommodated by slots in a cage which replaces the carrier 36 and arms 38, the conical surfaces being replaced by inner and outer races similar to those of ball-bearings. Fig. 1 shows an arrangement in which an impeller 14 is directly driven by the driving shaft 13, while the other impeller 60 is driven at a higher speed through rollers 20 engaging conical surfaces on the impellers and carried by a stationary ring 23 supported by guide vanes 24.
Patent GB-641538-A (GB)
Title: Improvements relating to air conditioning units employing means for cooling the air
IPC: F24F1/02
Filed: 1948-09-24
Abstract: 641,538. Refrigerating. BRITISH-THOMSON-HOUSTON CO., Ltd. Sept. 24, 1948, No. 25019. Convention date, Sept. 25, 1947. [Class 29] [Also in Group X] An air cooling unit comprises a cabinet 10 having an upper compartment housing a blower and a lower compartment, in which a refrigerator including compressor 25 and motor 26, a water-cooled condenser 27 and an evaporator 28, is resiliently mounted, a flexible duct 51 being arranged between the refrigerator and an opening in the partition between the compartments. The refrigerator frame 46 is bolted to brackets 47 hung from three springs 44 or bolts 48 and seated on brackets 45. A filter 16 is detachably mounted in a frame 17 to cover the open bottom of the casing. The refrigerant tubing is rigidly mounted but a section of the supply and drain conduits for the cooling water is flexible. The blower is mounted on diagonal cross members and driven by belting from a motor mounted on the partition wall.
Patent GB-320196-A (GB)
Title: Improvements in or relating to the feeding of sheets of cardboard or other material
IPC: B65H3/00
Filed: 1928-08-31
Abstract: 320,196. Vickers-Armstrongs, Ltd., Nasmith, J. I., and Kirby, W. Aug. 31, 1928. Feeding articles from piles by pusher devices engaging their edges. - Apparatus for feeding sheets of cardboard &c. from the top of a pile consists of one or more propelling members a engaging the rear edge of the top sheet, a holding down or guiding member e adapted to engage the upper surface of the top sheet near its forward edge and means for reciprocating the members a, e in unison. The member e slides in a guide t and is reciprocated by a pair of rocking arms g connected by a rod h working in a slot i. The propelling members a are provided with adjustable pushers c and are adjustably secured to bars which are pivotally connected to the rod h and may be counterweighted. The delivery aperture is constituted by the member e and a plate p. In order to register the aperture with the top sheet, the guide t and the plate p are carried by the cross-beams u, v of a frame w pivotally suspended from a fixed shaft n and counterweighted so that the member e rests lightly on the top sheet. The pile support g is preferably bent upwardly at its forward edge, and the upper edge of the plate p curved rearwardly to facilitate the separation of the sheets.
Patent GB-251200-A (GB)
Abstract: 251,200. Williams, W. H., (Heiss, F.). Dec. 7, 1925. Advertising on books &c. - An inset, consisting of either a folded sheet or a flat folded representation of an advertised article, is secured, preferably by pasting, at corners c, d, Figs. 2 and 4, on opposite sides of its fold b to the opposite pages e, f of a bookwise folded sheet, or of a book, newspaper, or periodical, the arrangement being such that the inset is concealed when the sheet is folded and is swung outwardly relatively to the sheet when the latter is unfolded. The inset automatically returns to its original closed position when the sheet is folded. Advertising matter is printed on the face a of the inset.
Patent GB-411812-A (GB)
Title: Improvements in feeding devices for cigarette packeting machines
IPC: B65B19/10
Filed: 1932-09-09
Abstract: 411,812. Arranging cigarettes for packeting. UNIVERSELLE CIGARETTENMASCHINEN-FABRIK J. C. MULLER & CO., 48, Zwickauerstrasse, Dresden, Germany. Sept. 9, 1932, No. 25204. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 24, 1932]. [Class 94 (i).] To facilitate the assembly of cigarettes which are to be packed in two or more rows, the several layers to form the rows are fed by a single conveyer, the delivery end of which is adapted to be disposed at different heights. The cigarettes pass from a hopper a between vertical dividing plates x, z on to a plate e, the bottom row being removed to the left by an ejector b. The plate e may be formed with grooves adapted to guide the cigarettes into overlapping relation. Drivers f on a chain h move the row f to the end of the plate e, whence they fall on to the main table i. After the deposit of the first row, by the action of a cam m on a roll e<1> the plate e is moved in a clockwise direction about its pivot k so that the delivery end is in a higher position and the second row is superposed on the first. If a third and subsequent rows are to be added, the cam m is so shaped as to cause the plate e to take up the necessary successive positions. On arrival on the plate i, the cigarettes abut against an aligning plate o until they are engaged by drivers v on a chain w. The flap is then turned, by a rack and pinion device q, p, into a horizontal position, and forms an overlying guide while the batch is fed along the table i to the packeting position. If necessary, the plate e is moved into an additional higher position to allow the drivers v to pass beneath before engaging the batch. The lower part x of the vertical dividing plates is connected to the plate e and partakes of its movements, and in order to prevent the formation of a gap between it and the upper part z, tooth like engaging edges are provided as shown. The guide d of the ejector b is also mounted on the plate e so that the ejector e, in addition to its feeding movements, turns with the plate. In a modified form of the apparatus, the plate e may be raised and lowered vertically in guides.
Patent GB-938941-A (GB)
Title: Improvements in or relating to tape transport systems
IPC: G11B15/32
Filed: 1961-07-12
Abstract: 938,941. Feeding webs. AMPEX CORPORATION. July 12, 1961 [Sept. 12, 1960], No. 25297/61. Class 100 (1). [Also in Group XXXVIII] A record tape 25 is wound from one reel to the other by a belt 33, wrapped around the reeled tape-coils and driven by capstan and pinch-wheel means 36, 37. The belt may be resilient to accommodate increases in belt perimeter as the half-way point in winding is approached, or the belt may be inelastic and compliance means 39, supporting one reel 23 allow for reel movement. Braking means 47 apply a feeding tension on the reel 27 to maintain contact with transducers 29.
Patent GB-955544-A (GB)
Title: Improvements relating to the thermal insulation of water tanks and the like
IPC: E03D1/01
Filed: 1959-07-24
Abstract: 955,544. Thermal insulating coverings for water tanks. T. L. BUTLER. July 4, 1960 [July 24, 1959], No. 25407/59. Heading F2X. Thermal insulation for a rectangular coldwater-storage tank comprises resilient flexible wadding having on one side at least, a waterproof skin or film, the wadding comprising a longer section folded into a rectangular tube shape to surround the tank, and a shorter section shaped so as to be flanged around its periphery to fit over the edge of the former section, the two sections being held together by an adhesive. In a preferred form, the insulating material comprises a cellulose acetate wadding coated on one or both sides with a cotton gauze which is covered with a synthetic plastic material such as polyvinyl chloride. The insulating material is normally packed for sale in a wrapping of polythene or other waterproof tissue which is made large enough to be draped over the top of the tank.
Patent GB-1086841-A (GB)
Title: Packages
Inventor: HERRITTY MICHAEL JOHN
IPC: B65D75/64
Filed: 1965-06-16
Abstract: 1,086,841. Package closures; opening containers. MONSANTO CHEMICALS Ltd. April 26, 1966 [June 16, 1965], No. 25421/65. Headings B8C and B8D. The closure 2 of a vacuum-formed polystyrene tray 1 is formed with a pleat 3 for opening. The ends of the pleat are held down by the seal connecting the closure and tray, which seal may comprise heat sealing, impulse sealing, ultrasonic sealing, a solvent, or an adhesive. The middle of the pleat is free to facilitate grasping thereby enabling the closure to be torn away from the tray. The material in which the pleat is formed is preferably transparent biaxially orientated polystyrene.
Patent GB-1444062-A (GB)
Title: Camera tubes
IPC: H01J29/48
Filed: 1974-06-08
Abstract: 1444062 Pick-up tubes ENGLISH ELECTRIC VALVE CO Ltd 15 April 1975 [8 June 1974] 25522/74 Heading H1D A camera tube has a gun which includes a cathode 1, grid electrode 2, anode 3, an electrode 7 which has a small aperture acting as the object for a subsequent focusing electrode (4, in the prior art gun of Fig. 1, not shown) and positioned at the beam cross-over, and a beam scraper electrode 9 to limit the solid angle of the electron cone which emerges into the focusing region. The distance between the anode and the electrode 7 is up to twice the anode aperture d, and is preferably d/ 2 , and the distance between the grid electrode and beam scraper electrode 9, which is preferably held at the same potential as the focusing electrode of the tube, is between 6 and 20 times the aperture diameter D in electrode 9. The arrangement reduces the variation of lag with signal current.
Patent GB-890772-A (GB)
Title: Improvements in or relating to a method of and an apparatus for separating the components of a gaseous mixture
IPC: C07C7/00
Filed: 1960-07-22
Abstract: 890,772. Cold separation of gas mixtures. LINDE'S EISMASCHINEN A.G., GES. FUR. July 22, 1960 [July 25, 1959], No. 25583/60. Class 8(2). Separation of a gas mixture e.g., a 70 : 30 ethylene-ethane mixture is effected by rectification in at least three stages e.g., high, intermediate and low pressure columns 1, 2, 3, Fig. 2, thereby obtaining from the low pressure column 3 the main component in a pure state which is withdrawn through a duct 22, and a fraction rides in the minor component which is withdrawn through a duct 25 and fed to an auxiliary low pressure column 4 from which said component is withdrawn through a duct 26 in the pure state. In operation the mixture in the liquid phase is forced by a pump 6 at 4 atmospheres pressure into the column 1 having a boiling coil 10 through which is forced by a compressor 9 a portion of product gaseous ethylene bled from a point 23 of duct 22. The soliquefied ethylene is expanded at a value 12 to 1À1 atmosphere pressure and is fed to the head of low pressure column together with crude liquid ethylene withdrawn from shelves 14, 18 of columns 1, 2 and expanded at valves 15, 19. Crude liquid ethane collecting at the base of columns 1, 2 expanded at valves 11, 16 into the succeeding columns and uncondensed impurities e.g., air are withdrawn from condensers 29 through ducts 13. In a modified process an 80 : 20 gaseous mixture of ethane and ethylene at 6À6 atmospheres pressure is fed through a duct 45, Fig. 3, to the high pressure column 31, substantially pure liquid ethane is withdrawn from the base of each column 31, 32, 33 and after expansion is vaporized in condenser at the head of column 33 and the auxiliary column 34 and discharged as product through a duct 56; a portion of the gaseous ethane being returned to column 31 through a duct 44 after compression and liquefaction at 43, 42. Crude ethylene gas from the head of column 33 is rectified in the auxiliary column 34 from which product ethylene gas is discharged through a duct 51. Specification 856,683 is referred to.
Patent GB-172285-A (GB)
Title: Improvements in the manufacture of wall paper
IPC: B41M3/18
Filed: 1921-09-27
Abstract: 172,285. Jarvis, H. C. Nov. 29, 1920, [Convention date]. Printing processes.-Consists in a method of printing wall-paper without selvedges in which the paper web is of the exact width of the pattern, or of one or more repeats of the pattern and the printing-roller has partial repeats of the pattern extending beyond the edges of the web so that the parts of the pattern at the edges of the paper are complementary, notwithstanding variations of the path of the web during winding. The Specification as open to inspection under Sect. 91 (3) (a) describes also a method of printing wall-paper with one selvedge, in which case the web is of slightly greater width than the pattern or repeated pattern and the printing-surface of the printing-roller extends beyond one edge only of the web. This subject-matter does not appear in the Specification as accepted.
Patent GB-955236-A (GB)
Title: Improvements in spring blade valve assemblies or components
IPC: F04B39/10
Filed: 1962-07-04
Abstract: 955,236. Valves. ATLAS COPCO A.B. July 4, 1962 [July 11, 1961], No. 25609/62. Heading F2V. [Also in Division F1] A non-return valve for a compressor comprises parallel ribs 15, 16 spaced apart to form flow passages 28, the ribs being joined to anchoring portions 17. Preferably there are three ribs, the outer ones 15 of which are joined to the portion 17 and the inner one 16 connected by webs 18 to the outer ribs. The valve closure members are formed by strips 14 of steel, or other suitable resilient material, which extend along one face of the ribs, are folded round the rib ends and extend along the opposite face where the ends are secured, e.g. by riveting, at 22 remote from the rib ends. The portions 27 form the spring loading for the closures formed by the strips on the opposite sides of the ribs. The closure portions co-operate with seats formed in the cylinder head or the side of the cylinder. When the ribs are of arcuate shape, as shown, the assembly is used on the sides of the cylinder. When the ribs are planar members, the assembly is used with the cylinder head.
Patent GB-456717-A (GB)
Title: Improvements in or relating to braun tubes and circuits therefore, preferably for television purposes
IPC: H01J29/62
Filed: 1935-03-04
Abstract: 456,717. Cathode-ray tubes; television. RADIOAKT.-GES. D. S. LOEWE, 10, Wiesenweg, Steglitz, Berlin. March 4, 1935, No. 25753/36. Convention date, March 31, 1934. Addition to 423,427 and divided out of 457,757, under which a Specification was laid open to inspection under Sect. 91 of the Acts, Sept. 4, 1935. Drawings to Specification. [Classes 39 (i) and 40 (iii)] The two plates of at least one pair of deflecting plates operating in reverse phase or pushpull as described in the parent Specification are together given a positive or fluctuating bias relatively to the anode and luminous screen to compensate for the interference of the deflecting fields with the electron-optical system and to maintain the picture sharp at its edges. The tube described in Specification 457,757 and having a wall coating surrounding the plates and connected to the anode is operated with the bias on one or both pairs of plates positive and adjustable or fluctuating at the frequency, or twice the frequency, of the deflecting potentials.
Patent GB-737579-A (GB)
Title: Improvements in or relating to germanium diodes
Inventor: WOLFSON HENRY
IPC: H01L21/00
Filed: 1952-10-15
Abstract: 737,579. Semi-conductor devices. STANDARD TELEPHONES & CABLES, Ltd. Oct. 9, 1953 [Oct. 15, 1952], No. 25844/52. Drawings to Specification. Class 37. In a method of making a rectifier comprising a cats-whisker in contact with a germanium crystal, a surface film of an alloy of tin or lead with germanium is produced by an electroforming process. In one embodiment a layer of tin or lead oxide (preferably Pb3O4) is stuck to the surface by an organic binder, e.g. nitrocellulose, and a series of current pulses passed through the cats-whisker into the germanium dissociates the oxide and alloys the released metal with the germanium surface, while in the other embodiment the cats whisker is coated with a layer of pure tin or lead which is injected into the germanium surface by the electroforming current. Such a lead coating may be produced on the whisker by electrodeposition from a sulphamate electrolyte. A cats-whisker of tungsten is preferred and the oxide layer or tin or lead coatings must be free of significant impurities. The effect of this surface alloying is to decrease the forward resistance and thereby improve the rectification ratio.
Patent GB-1079014-A (GB)
Title: Improvements in or relating to toilet seats
Inventor: BALL JAMES EDWIN
IPC: A47K13/04
Filed: 1964-06-23
Abstract: 1,079,014. Closet seats. W. W. BALL & SONS Ltd. June 1, 1965 [June 23. 1964], No. 25939/64. Heading E1C. [Also in Division F2] A toilet seat has at least one recess 3 on its underface, the or each one receiving a buffer 7 formed of rubber and having bores 8 to receive (a) spigot(s) 6 to engage the or each buffer 7 with the seat, the buffer 7 being forced to deform when it is located in the recess 3. The spigots 7 may carry barbs to prevent disengagement and the mouth of each bore 8 is flared outwardly.
Patent GB-205661-A (GB)
Title: Improvements in chimney and ventilating shaft tops
IPC: F23L17/02
Filed: 1922-09-26
Abstract: 205,661. Dossor, J. M. Sept. 26,1922. Chimney and ventilating-shaft tops.-A chimney &c. top of the kind built up of two or more interfitting superposed sections A, B, C has an internal annular enlargement a, b<2>, c<2> in each section near its upper end, these enlargements being, in the case of the bottom and intermediate sections, grooved at a'. b<3> to deflect any downdraught and cause it to ascend. The top section C is reduced in diameter at c<4> and has a basinlike formation c<3> at its upper end, this arrangement causing anv air currents striking it to be deflected upwardly to increase the updraught.