baber/WOPTO huggingface dataset:
Patent GB-918883-A (GB)
Title: Improvements in or relating to scintillation dose and dose-rate indicating apparatus
Inventor: POCOCK SYDNEY NORMAN
IPC: G01T1/208
Filed: 1961-03-01
Abstract: 918,883. Transistor pulse circuits. MULLARD Ltd. Oct. 20, 1961 [March 1, 1961], No. 7482/61. Class 40 (6). [Also in Group XL (b)] In a scintillation dose rate indicating apparatus (see Group XL (b)), scintillations in a phosphor 1 are detected by a photo-multiplier 2, amplified by amplifier 3 and fed to circuits 4, 5 comprising respectively a discriminator which rejects the D.C. component of the dark current and a waveform generator which reproduces that part of the scintillation pulse 5 rejected by the discriminator (Figs. 3-6, not shown). The outputs from the discriminator 4 and the generator 5 are added by transistor 108 to reproduce the scintillation pulses without the dark current component. These pulses are converted to D.C. by transistor 109 and the resistive capacitance smoothing circuit 110, 111, 112, 113 and are applied either to the moving-coil indicator 8 or to an integrating capacitor (not shown). The waveform generator 5 comprises a monostable multivibrator the time constant of which is substantially equal to the time constant of the phosphor 1. A delay line may be incorporated in the circuit associated with the transistor 109.
Patent GB-592493-A (GB)
Title: Improvements in ultra high frequency discharge devices
IPC: H01J25/12
Filed: 1944-04-21
Abstract: 592,493. Velocity modulated tubes. WESTERN ELECTRIC CO., Inc. April 21, 1944, No. 7488. Convention date, April 15, 1942. [Class 39 (i)] In high-frequency discharge apparatus an electron stream is compressed axially between a signal input region and a signal output region by means of a retarding field so that electron groups resulting from variation of electron velocity are more closely spaced near the output region than near the input region. The electron stream time through the input region is a full cycle or more whereas the time through the output region is much shorter. In the apparatus shown, a cathode 12 is mounted on a slotted sleeve 22 to reduce heat leakage. Spaced along the path of the electron stream are a control grid 14 and a screen grid 16. An input cavity resonator 36 is coupled to the cathode 12 and the grid 14, while an output resonator 38 is coupled to the screen 16 and the anode 18. Blocking condensers 37 and 39 are provided so that steady potential differences may be maintained between electrodes. A strong retarding field is maintained between grids 14 and 16 to produce the compressing effect desired. A steady retarding field may also be maintained across the input region itself. One or more space charge controlling grids may also be interposed in the drift spaces 15. Specification 516,750 and U.S.A. Specification 2,240,183 are referred to.
Patent GB-1018036-A (GB)
Title: Improvements relating to the manufacture of rubber compositions
Inventor: BLANCHARD ALLAN FREDERICK
IPC: C08L21/00
Filed: 1962-02-27
Abstract: A composition comprising substantially unmasticated rubber, a softener, carbon black, and liquid polychloroprene is masticated in an internal mixer until the temperature rises to at least 140 DEG  C. and thereafter the composition is mixed with vulcanization ingredients.  Preferably magnesium oxide is present and zinc oxide is absent.  Preferably the rubber is an oil-extended polymer of butadiene and styrene. The vulcanized composition shows in general lower power loss than conventional compositions.
Patent GB-110887-A (GB)
Title: Improvements in Wash Basins or Vessels.
Inventor: DOLDER OSKAR
IPC: A47K1/04
Filed: 1917-05-26
Abstract: 110,887. Dolder, O. May 26, 1917. Wash-hand basins. - A wash-basin is divided into two compartments by a removable partition d seating in a groove b provided with packing c. The partition may be provided with recesses for a cup &c. and may be used as a shelf. The basin may be provided with an internal annular rim to receive the bottom of the jug.
Patent GB-922005-A (GB)
Title: Improvements in or relating to reduction gear devices
Inventor: GRAY BERNARD HERBERT LESLIE
IPC: F16H1/28
Filed: 1959-03-05
Abstract: 922,005. Toothed gearing. SANGAMO WESTON Ltd. March 17, 1960 [March 5, 1959], No. 7724/59. Class 80 (1). A high reduction gear comprises a pinion 11, Fig. 4, secured to a driving shaft 12 and meshing on opposite sides with contrate wheels 13, 14 which are integral with bevel sun gears 17, 18 meshing with bevel planet gears 19 mounted in a carrier 20 secured to an output shaft 15. The contrate wheels 13, 14 have slightly different numbers of teeth so that the sun gears 17, 18 are rotated in opposite directions at slightly different angular speeds. In a modification, the shaft 15, Fig. 2, carries a worm 21 which meshes with a worm-wheel 22 on an output shaft 23. In a further modification, the shaft 15 carries a pinion 24, Fig. 3, which meshes with contrate wheels 25, 26 of a similar epicyclic gear 27, 28, 29 having an output shaft 32. Preferably the differential gears are formed from plastic mouldings as described in Specification 922,004.
Patent GB-1467121-A (GB)
Title: Valve for the control of hydraulic fluid
IPC: F16K3/32
Filed: 1975-02-25
Abstract: 1467121 Valves SCHLOEMANN-SIEMAG AG 25 Feb 1975 [2 March 1974] 7784/75 Heading F2V A valve 3a has a stop comprising a stepped piston 29 and a bolt 32 which extends through the piston, is axially adjustable relative thereto and forms the abutment surface, the piston being movable between two positions to determine maximum and minimum valve openings, the position of the bolt relative to the piston and the piston travel being adjustable independently from outside a housing. The valve member may be biased against a spring 5 towards the stop by pressure on a piston 8 via port 11.
Patent GB-1421741-A (GB)
Title: Composite sliders
IPC: D04B35/02
Filed: 1972-02-19
Abstract: 1421741 Knitting BENTLEY ENG CO Ltd 31 Jan 1973 [19 Feb 1972] 7797/72 Heading D1C A composite slider in a superposed cylinder knitting machine has two parts, one part 5 held against the other part by a spring band each part having a concave caming shoulder 6c, 5d respectively. When the outer part 5 is moved upwards the caming surfaces cause it to move outwards to clear the needle hook 11 which may then be brought into contact with the top edge 6b of the inner part, the outer part may then be lowered so that its hook 5c engages the needle hook to hold it firmly against the inner part. The composite slider and the hook may then be moved as one. A detailed description of the cams is given (Fig. 2 not shown).
Patent GB-1088390-A (GB)
Title: Improvements in/or relating to device for imparting a planetary motion to members enclosed in a controlled medium
IPC: H02K5/128
Filed: 1966-02-22
Abstract: <PICT:1088390/C6-C7/1> Planetary motion is imparted to a disc member 7 provided at the lower end of a shaft 6 by mounting the shaft vertically for free rotation near the periphery of a horizontal circular plate 3, rotating the plate 3 about its own axis, and effecting the shaft rotation by a magnetic "gearing" device. Preferably the action of the latter closely resembles that described in Specification 1,028,256. In the present invention two fixed spaced annular "gear" discs 9, 10, above and concentric with the plate 3, have their opposing faces furnished near their periphery with nearly-radial epicycloidal projections resembling teeth.  These projections interact magnetically, without mechanical contact, with similar projections, arranged instead at a substantial angle to the radial direction, near the periphery of both faces of a much smaller "gear" pinion 8 secured to the top of shaft 6 and projecting partly between the discs 9, 10.  The magnetic interaction is ensured by a C-shaped permanent magnet 48 whose lower limb 50 is screwed to plate 3 and whose poles embrace, without touching, the discs 9, 10 at their region of maximum overlap with pinion 8.  When plate 3 is rotated, the planetary motion of disc member 7 takes place.  Discs 9 and 10 may be replaced by rings of larger diameter, the teeth on which interact with the radially-outermost part of pinion 8.  Plate 3 is mounted on a shaft carrying at its upper end an axially-toothed solid cylinder which is rotated from outside the evacuated enclosure 1 by a rotating cylinder which surrounds the solid cylinder and has permanent magnets, and teeth projecting from the inside.  The gear ratio is independent of, and may be much higher than, the ratio of diameters of "gear" and "pinion".
Patent GB-485511-A (GB)
Title: Improvements relating to the manufacture of plastic bricks, blocks, slabs, tiles and the like
IPC: C04B40/00
Filed: 1937-03-17
Abstract: 485,511. Bricks &c. BRITISH ZONOLITE PRODUCTS, Ltd. (Schundler & Co., Inc., F. E.) March 17, 1937, No. 7855. Drawings to Specification. [Class 87 (i)] Bricks, blocks, slabs, tiles, &c. comprise an inner felted mass containing particles of exfoliated vermiculite and an outer shell of the same material cemented together with a binder. The bricks &c. are made by moulding an aggregate comprising exfoliated vermiculite and up to 25 per cent of plastic clay together with a binder, which may consist of pitch liquor. The evaporation of the liquid in the binder causes the shell to harden ; the drying may be effected by heat or pressure. The bricks &c. may be waterproofed by employing a waterproof binder.
Patent GB-743266-A (GB)
Title: Improvements in confining dust generated by grinding wheels
Inventor: SUMNER ALBERT
IPC: B24B55/06
Filed: 1953-03-23
Abstract: 743,266. Confining dust generated by grinding wheels. ROWLAND & CO., Ltd., F. E. Feb. 1, 1954 [March 23, 1953], No. 7879/53. Class 8(2). In a floor-stand grinder wherein the abrasive wheel B Fig. 2, is substantially surrounded by a hood C and except for the area adjacent a vertically and horizontally adjustable workrest A, the latter has rigidly secured to it a pair of spaced parallel plates E, Fig. 1, which overlap the sides K of the hood C and a third plate P is pivotally mounted on a pin M is between the plates E and is biassed by torsion spring Q so as to bear against the front R of the hood C in any position of the work-rest A. The hinged plate P has side wings T adapted to enter between the sides K of the hood and the plates E.
Patent GB-1298053-A (GB)
Title: Semiconductor device for a trigger storage cell
Inventor: DYAKOV JURY NIKOLAEVICH
IPC: H01L27/07
Filed: 1971-03-26
Abstract: 1298053 Semi-conductor devices J N DYAKOV V Y KREMLEV V N STRUKOV and D O CHUTUEV 26 March 1971 7884/71 Heading H1K The invention relates to a multi-emitter transistor for use (as shown) with a like device to form a memory cell suitable for use in a storage matrix. The two transistors 1, 2 shown are formed in an N-type epitaxial layer carried by a P-type silicon substrate and are mutually isolated by a P-type diffused wall. Each has an "information" emitter 12, 16 (and may have several), an "address" emitter 11, 15, and a base contact 10, 14. The bases are each crosscoupled with a collector contact 17, 13, and power is supplied to a line linking second collector contacts 6, 7 of the transistors. The relative placing of the collectors and various emitters within each transistor is such that the normally required collector resistor is formed by that part of the epitaxial layer between the two collector contacts and is such that that part of the collector base junction beneath the "information" emitter is maintained under reverse bias at all times in operation to prevent the "information" emitter functioning as a spurious collector.
Patent GB-1463763-A (GB)
Title: Vaporizers
IPC: G03D7/00
Filed: 1974-02-21
Abstract: 1463763 Photographic gas development HOECHST AG 21 Feb 1974 [28 Feb 1973] 7888/74 Heading G2X [Also in Division B 1] An apparatus for producing a gaseous developer medium from a developer solution comprises (a) two elongate hollow members 2, 3 one being positioned at least partly within the other to form a vapourizing chamber 5 and a pre-heating chamber 6 such that in use heat-exchange can take place between them; (b) heating means (e.g. rod 1) positioned at least partly within the vapourizing  chamber; (c) means (e.g. inlet 7 and overflows 9) through which developer solution can be introduced into the pre-heating chamber and then into the vapourizing chamber; (d) means (e.g. gaps 4) through which gaseous developer medium can leave the vapourizing chamber; and (e) means (e.g. overflow outlet 10) through which developer solution can leave the vapourizing chamber.
Patent GB-790532-A (GB)
Title: Carriage mounting in machine tools, especially milling or planing machines
IPC: B23Q1/40
Filed: 1956-03-14
Abstract: 790,532. Machine-tool details. KOPP, F. March 14, 1956 [March 16, 1955], No. 7923/56. Class 83 (3). [Also in Group XXXIV] A carriage-mounting in a machine-tool comprises guide-rails 3 ... 6 with interposed rollerbearings 7 having their axes vertical, and rollerbearings 12 with their axes horizontal to support the weight of the carriage, the rollers 12 bearing against the rails 3, 4 fixed to the carriage. Rails 15, 16, fixed to the machine-bed 1, engage over the rails 3, 4 to prevent the carriage from lifting. The tapered surfaces 8 of the two-part rail 6 bear against a correspondingly-tapered surface 9 on the bed, and the parts of the rail are moved endwise by adjusting-screws to remove play in the bearings. The rollers 12 are supported on rails 13, 14.
Patent GB-708067-A (GB)
Title: Improvements in and relating to television cameras
Inventor: LORD ARTHUR VALENTINE
IPC: H04N9/04
Filed: 1951-04-05
Abstract: 708,067. Television transmitters. BRITISH BROADCASTING CORPORATION. April 7, 1952 [April 5, 1951], No. 7975/51. Class 40 (3) A colour television transmitter comprises three cathode-ray tubes each of which has a photoelectric cathode upon which an image of the scene to be transmitted is formed to liberate electrons which are focused upon a mosaic screen displaced from the photo-cathode, the charge image formed upon the mosaic screen being scanned by an electron beam liberated from the photo-cathode by scanning the same with a spot of light. The light spot is preferably the image of a scanning spot formed upon the luminescent screen of a cathode-ray tube. Separate colour component images are simultaneously scanned in the three cathode-ray tubes by respective electron beams which conform to accurately registered scanning rasters. Light from the scene to be transmitted is focused by lens L1 and reflected by partially red-reflecting and bluereflecting mirrors M2, M3 to produce red, green and blue images upon the photo-cathodes of camera tubes CR, CG, CB, respectively. A scanning raster is produced on the screen of a cathode-ray tube T and an image of this is formed on the photo-cathode of each camera tube by means of lens L2, half-silvered mirror M1, and mirrors M2 and M3. In a modification the lens L1 is placed between the mirror M1 and mirrors M2 and M3. Since the mirrors M2 and M3 determine the positions of both the image and the scanning raster on each of the photo-cathodes accurate registry of the colour component images with respect to the scanning raster is ensured. The outputs from the cameras CR, CG, CB are combined in any suitable manner e.g. to effect a frame sequential, dot-sequential or simultaneous type of transmission. In an alternative arrangement the screen of the tube T is formed of a large number of independent areas of phosphor emitting red, green and blue light respectively. These areas are of such a size that a group of three having different light-emitting properties occupies an elemental area of the raster. The scanning in the tube T is such that the three areas of each group are scanned in succession and thus each picture point of the scene is scanned by each camera tube in turn. Specification 656,069 is referred to.
Patent GB-472255-A (GB)
Title: Method of making receptacles of celluloid or like unbreakable transparent material for watch movements
IPC: B29C43/00
Filed: 1936-03-17
Abstract: 472,255. Watches. MARTI, F. March 17, 1936, No. 8039. Convention date, March 25,1935. [Class 139] A movement case 1, 2 of celluloid or like unbreakable material, for insertion in an outer watch case, and in which the rims 5, 6 of the two halves fit one within the other, and one half 1 has a part 4 constituting the watch crystal, is characterized in that after moulding sheets of celluloid or like unbreakable material to form the two halves 1, 2 with substantially uniform wall thickness, the crystal forming part 4 is left at this full thickness whilst the wall thickness of portions of the blanks (surfaces 6 and 7) which contact with the outer watch case is reduced by a suitable cutting operation, e.g. milling.
Patent GB-249321-A (GB)
Title: Improvements in imitation fires
IPC: F24C7/00
Filed: 1925-03-26
Abstract: 249,321. White, J. C., and Dickinson, H. A. March 26, 1925. E le c t r i c radiators.-An imitation fire is provided with one or more rotating vane elements 6, 7 having means to periodically upset their stability to provide a continuously varying flicker by an irregular obturation of or reflection from a source of light. The vanes are mounted on bearings 8, 9 in a casing 1 having heating elements 2, 3 and a lamp 4 provided with a reflector 5. A spring finger 10 retains the vane 6 in position. The vanes 6, 7 may rotate in opposite directions and may be enclosed in a light reflecting or refracting casing. Their stability is upset by bar magnets 11, 12 on the vanes and the bearing 8 respectively. A perforated coloured glass screen 13 supporting imitation fuel 14 rests on the top of the casing. Air inlets 15 at the bottom of the casing are controlled by a shutter 16 and the air outlets in the screen 13 may be similarly controlled.
Patent GB-720846-A (GB)
Title: Improvements in or relating to seats
IPC: B60N2/07
Filed: 1953-03-24
Abstract: 720,846. Seats. HUMBER, Ltd., PRIESTMAN, F. D., SOUTHERN, H., SOUTHERN, P., SOUTHERN, jun., P., and SOUTHERN, A., [trading as SOUTHERN BROS.]. March 24, 1953, No. 8145/53. Class 52 (2). A vehicle seat which may be slid forwardly and rearwardly and locked in desired position and also may be tilted forwardly comprises a seat frame 10... 13, the back frame 14 of which is prolonged at each side to form an underframe 15-17, rollers 18 or equivalent mounted on axes 19 in brackets 20 welded to the members 16, open-topped channel guides 21, 22 secured to the floor and along which the rollers &c. are guided, two-armed levers pivoting on the axes 19, each of the rear arms having a projection 31 adapted to enter a selected one of a series of apertures 27, 28 provided in outstanding flanges 25, 26. The levers are biased by means of springs 32 and the front arms 29 are connected by a binding member 35 whereby the slide may be unlocked. The seat may be tilted forwardly about the roller axes 19.
Patent GB-685287-A (GB)
Title: Improvements in or relating to radio aerial installations
Inventor: HATCH JAMES FREDERICK
IPC: H01Q3/14
Filed: 1948-03-18
Abstract: 685,287. Aerials. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Oct. 26, 1948 [March 18, 1948], No. 8165/48. Class 40 (vii). In order to produce a rotating radio beam of cardoid shape suitable for use in an omnidirectional beacon, an omnidirectional primary aerial, e.g. a horizontal loop, is mounted in a vertical cylindrical shield 9 having twelve equally-spaced vertical slots S and a cylindrical sleeve 91 of slightly less diameter having eleven equallyspaced vertical slots S1 is rotated within the shield 9 so that at any instant one of the slots in G will be fully uncovered, a diametrically opposite slot will be fully masked and the intermediate slots will be partially masked in a progressive manner so that a cardioid radiation pattern is produced which rotates eleven times as fast as the sleeve G1. Alternatively, the sleeve may have thirteen slots or other arrangements using more than two masks may be employed. Since the effective size of the resultant slot aperture is substantially constant as the sleeve rotates, matching with the primary aerial is unaffected by the rotation. Specification 657,482 is referred to.
Patent GB-308083-A (GB)
Title: Improvements in or relating to means for attaching soles and heels to boots and shoes
IPC: A43D95/28
Filed: 1928-03-17
Abstract: 308,083. Gimson Shoe Machinery Co., Ltd., and Keily, W. J. March 17. 1928. Loose-nailing; protectors, attaching.- - Relates to means for attaching soles and heels to boots and shoes, particularly rubber or other resilient or cushion heels, soles, tips, pads and the like. A nailing die is provided with a number of nail holes covering the range of nailing positions, and a number of nail drivers each changeable from one hole to another for use as determined by the number of nails to be driven, and their required disposition in the work. For attaching a cushion heel 6 to the heel of a boot 17, a nailing die 3 is provided bored with a large number of holes 4 so that it is capable of dealing with pads' of different shapes and sizes. A number of interchangeable die plates and work gauges are provided, each suitable for a particular cushion heel. Each comprises a nailing die 10 provided with holes 13 to suit the particular heel pad. Preferably, this plate is thin, and is riveted to a plate formed with a cut out portion to fit the pad. A gauge plate 11 has a cut out portion to fit the heel 16 and the plates 10, 11 are separated by distance pieces 18, 20, the assembly being secured together by screws 19 and positioned in the machine by holes 17 engaging fixed pins 9. After positioning the assembly, loose drivers 5 are dropped into the holes 13, nails are then dropped into these holes and the cushion heel and boot positioned. The work is clamped by a presser block 22 on a plunger 21 operated by hand or treadle and locked by a ratchet, and a nail driving plunger 8 is operated by any usual mechanism. The presser block 22 may be slidably mounted on the plunger 21 and controlled by a spring so that it may adjust itself to the last.
Patent GB-165186-A (GB)
Title: Improvements in and relating to internal combustion engines
IPC: F02D1/16
Filed: 1920-03-19
Abstract: 165,186. Allen, R. W. March 19, 1920. Centrifugal governors.-The two parts e, f of the casing of a governor controlling a compound eccentric h, l, which actuates a fuel pump, have an adjustable non-slotted locking-pin connection, whereby the eccentric h may be angularly adjusted on the shaft a to vary the moment of injection of the fuel. In one form, the eccentric h is formed on the casing f, which is adjustably connected to a disc e bv means of a stud f<4> and a series of holes in the disc or casing. Several groups of adjusting holes may be provided round the disc. The disc e is connected by a bolt d to a member b keyed on the shaft.