baber/WOPTO huggingface dataset:
Patent GB-116510-A (GB)
Title: Improvements in Liquid Resistances, particularly suitable for use in the Rotor Circuits of Induction Motors when used for Ship Propulsion and the like.
IPC: H01C10/02
Filed: 1917-08-01
Abstract: 116,510. Brush Electrical Engineering Co., aud Sutton, C. C. Aug. 1, 1917. Controllers, liquid. - Controllers for induction motors &c. have liquid resistances with electrodes arranged so that, at any angle of the apparatus ordinarily occurring, the resistances between the several electrodes will be approximately equal. The electrodes are of cylindrical or interrupted cylindrical form and are built up of rods or tubes G of varying lengths. The rods are arranged in three concentric rings and the phases in the various sectors are cross connected. The rods in each electrode are arranged in a. definite order according to their length as shown in Fig. 2. The electrolyte is delivered to the tank and escapes through a tube inside all the electrodes and passing through the bottom of the tank.
Patent GB-1487037-A (GB)
Title: Prostaglandins
IPC: A61K31/557
Filed: 1976-01-16
Abstract: 1487037 Silylated prostaglandins UPJOHN CO 16 Jan 1976 [18 Feb 1975] 01672/76 Heading C3S [Also in Division C2] Methyl and trimethylsilyl 16,16-dimethyl- 9α,11α,15α - tris(trimethylsilyloxy) - 2a,2bdihomoprosten - trans - 13 - enoate, methyl 16,16 - dimethyl - 9#,11α,15α - tris(trimethylsilyloxy) - 2a,2b - dihomoprosta - cis - S,trans- 13-dienoate, methyl and trimethylsilyl 16,16- dimethyl - 9 - oxo - 11α,15α - bis(trimethylsilyloxy) - 2a,2b - dihomoprost - trans - 13- enoate and methyl 16,16-dimethyl-9#,11α,15α- tris(trimethylsilyloxy) - 2a,2b - dihomoprosttrans-13-enoate are prepared by silylation.
Patent GB-139525-A (GB)
Title: A process for the manufacture of meat-extract like preparations
IPC: A23J3/30
Filed: 1918-01-31
Abstract: Meat extract like preparations are obtained from waste albuminous animal or vegetable matter by first treating the materials with oxidizing-agents, and then hydrolyzing to amino acids by boiling with strong mineral acids.  The preliminary treatment with oxidizing-agents obviates the formation, on hydrolysis, of bodies having unpleasant smell or taste.  The process may be applied to fish waste, cartilage, sinews, horn, hair, cotton-seed cake, rape-oil cake, palm-oil cake, &c. Suitable oxidizing-agents are permanganates, chromates, ozone, hydrogen peroxide, persalts, &c.  The amino acid product is finally boiled down in vacuo and neutralized.
Patent GB-112997-A (GB)
Title: Improvements relating to the Distillation of Oil Shales.
Inventor: HEYL GEORGE EDWARD
IPC: C10G1/00
Filed: 1917-02-06
Abstract: 112,997. Heyl, G. E. Feb. 6, 1917. Materials for making gas and other products.- The yield of oil obtained by distilling shale is increased by first soaking the shale with about 10 per cent. of its volume of a liquid hydrocarbon for a period of 24 hours or longer. Distillation is carried on up to a temperature of about 220‹ C., and a further 10 per cent. of hydrocarbon is then added and the distillation continued up to a temperatures of about 400‹ C.
Patent GB-535002-A (GB)
Title: Improvements in frequency multipliers for alternating current energy
IPC: H01J25/04
Filed: 1940-01-30
Abstract: 535,002. Electron beam valves and circuits therefor. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and BANKS, G. B. Jan. 30, 1940, No. 1880. [Classes 39 (i) and 40 (v)] A frequency multiplier comprises an electron beam valve E with a plurality of electron guns equal to the multiplying factor, each gun comprising a cathode 1, 1a, a control electrode 2, 2a and an accelerating electrode 3, 3a. The control electrodes are energized in different phases, and as shown are connected to opposite wires of a Lecher pair 5 energized by the input circuit 9. A burst of electrons is thus caused in each beam for every cycle of the input frequency, so that in the case shown there are two bursts for each cycle. As these bursts pass through apertured plates 7a, 7b, charges are induced thereon. These plates are spaced apart and are connected to form part of a resonant structure 11 tuned to the multiple frequency, which is taken off by a coupling 10. The spacing of the plates 7a, 7b is such that each burst of electrons passes the plate 7b half a period of the multiple frequency later than it passes the plate 7a. A tapped delay network may replace the Lecher pair 5. The electron streams may be focussed by coils 8, and the electrons collected by an electrode 4. The resonators 5, 11 may be situated within the envelope. Two or more of the frequency multipliers may be connected in cascade.
Patent GB-1027836-A (GB)
Title: Improvements in or relating to electrically operated indicating devices
Inventor: DEAN DEREK JOHN
IPC: G08B5/22
Filed: 1962-01-18
Abstract: 1,027,836. Indicating device. SANGAMO WESTON Ltd. Jan. 10, 1963 [Jan. 18, 1962], No. 1927/62. Heading G5C. [Also in Division G1] An indicating device (Fig. 1, not shown) comprises an arcuate scale strip (11) carried by a moving coil movement (not shown) arranged in an optical system (12-17) so that one of a plurality of characters on strip (11) is projected on to a display screen 17, the screen having half the width of the casing 10 and half the screen projecting above the casing as shown. The optical system comprises a bulb (14), lenses, a mirror (15) and a reflecting prism 16, the screen 17 being either a separate element or the front face of the prism, given a diffusing surface. Fig. 3 shows a series of devices forming a linear multi-character display, recesses 18 accommodating prisms of other devices, and recesses 19 and grooves 20 accommodating light guide rods 21, which give decimal point indication between adjacent digits when illuminated from behind. The arrangement in Fig. 3 may be vertically or otherwise orientated; screens 17 may be other than central of the casings 10.
Patent GB-1416752-A (GB)
Title: Methods of manufacture of colour picture tubes
IPC: H01J9/22
Filed: 1973-01-15
Abstract: 1416752 Colour television tubes RCA. CORPORATION 15 Jan 1973 [14 Jan 1972] 1936/73 Heading H1D In a photographic method of fabricating the phosphor pattern of the screen of a shadow mask colour tube, in which a photosensitive coating is exposed to a small area light source through the shadow mask, misregister is reduced by first exposing every point of a first zone of the coating predominantly but not wholly to a light source positioned at one location; and then exposing a second zone of the coating predominantly but not wholly to a light source positioned at a different location. The two light source positions may be displaced with respect to one another either parallel or perpendicular to the screen axis, or in both directions. An exemplary calculation of the change of light source position required to eliminate degrouping errors at the corners of the screen is provided. Different lighthouses, or a single adjustable lighthouse, may be employed for the different exposures, the use of different optical intensity filters ensuring maximum intensity over the respective zones. As described, the two zones are defined by a circular boundary symmetrically disposed with respect to the screen (Fig. 3, not shown), but more than two zones and associated exposures may be employed. Reference is also made to the use of adjustable irises or shutters for the continuous sweeping out of an annular zone with simultaneous movement of the light source. Preferably, the exposures are performed using a correction lens. The method may be employed for a phosphor dot or line screen, and for black-matrix or non-matrix screens.
Patent GB-115804-A (GB)
Title: Improvements in Bearing Elements.
Inventor: MICHELL ANTHONY GEORGE MALDON
IPC: F16C17/03
Filed: 1918-02-02
Abstract: 115,804. Michell, A. G. M. May 5, 1917, [Convention date]. Cylindrical journal, thrust, vehicle-axle and rectilinear-motion bearings.-To facilitate the entry of a film of lubricant between bearing-surfaces, a portion of a bearing-element C, E, Fig. 1, is made relatively weak or flexible and of varying thickness so that it bends under the pressure of the film of lubricant on the working face F. Fig. 2 shows the application to a vehicle-axle bearing. The brass J is supported on a conical seat K. and a pipe Q is provided to draw-off and supply oil. The invention is applicable also to engine cross-head slipper blocks. Specifications 875/05, 23496/11, 8885/12. and 106,824, [Class 12 (iii) Lubricators and lubricating &c.], r:re referred to. The Specification as open to inspection under Sect. 91 (3) (a) describes also the following modifications : Figs. 3 and 6 (Cancelled) show a thrust bearing consisting of a number of segments A each formed with a flexible portion on its leading side. The segments are integral with spokes U connecting an outer ring W to a boss V mounted on a spherical seating Y. The boss V has an extension Z to prevent leakage of oil along the shaft. A journal bearing is made similarly with segments integral with a pair of rings which are divided for the purpose of taking up wear. This subject-matter does not appear in the Specification as accepted.
Patent GB-489294-A (GB)
Title: A device for use in aerial warfare
IPC: F41H11/04
Filed: 1937-01-22
Abstract: 489,294. Aerial warfare. TONDEUR, R. Jan. 22, 1937, No. 1989. [Class 9 (ii)] [Also in Group XXV] A device for use in aerial warfare comprises a flexible metallic stranded cable having sleeves swaged thereto in spaced order. A number of cables of successively reduced diameter may be coupled together using some of the sleeves as couplings. Cutters or hooks may be attached to the sleeves, and the device may carry explosive cartridges. The device may be carried on a spool in aircraft, the spool being driven from the engine when necessary. A shearing device for the cable may also be carried. In the form shown, the cable comprises lengths 1, 1a, 1b carrying sleeves 2, 2a, 2b, 3. Specifications 487,797 and 489,296, [both in Group XXII], are referred to.
Patent GB-113304-A (GB)
Title: Apparatus Operated by Fluid Pressure.
Inventor: STANIFORTH HARRY
IPC: G01L7/24
Filed: 1917-10-02
Abstract: 113,304. Staniforth, H. Feb. 10, 1917. Barometric apparatus.-Relates to modifications of the pressure-operated apparatus described in Specification 17351/97, [Class 106, Registering &c.], and is applicable for setting in motion controlling-apparatus, or as a speed indicator for aeroplanes &c., or as an altitude indicator. The device consists of a curved tube a, Fig. 1, of any suitable shape and section, having closed ends b, c and mounted so as to be free to turn on a pivot n. The tube a is divided by a liquid piston d into two chambers e, f, the chamber e communicating by pipes h, i with the source of pressure, while the chamber f communicates by pipes k, l either with the atmosphere or with one or more reservoirs as shown, the pressure in which may be varied at will in accordance with the pressure in the operating chamber e. The degree of movement of the tube may be further regulated by an adjustable weight q, Fig. 4, or by a spring or like device. To increase the turning effect, the tube may be in the form of a helix, or two or more curved tubes may be arranged on the same axis.
Patent GB-500142-A (GB)
Title: Improvements in or relating to electric discharge tubes
IPC: H01J5/32
Filed: 1938-01-22
Abstract: 500,142. Sealing lead-in conductors ; discharge apparatus. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPEN. FABRIEKEN. Jan. 22, 1938, No. 2184. Convention date, Jan. 26, 1937. (Class 36] [Also in Group XL] In the manufacture of electric discharge tubes of small dimensions and having four or more lead-in conductors, a disc or plate-shaped foot 3 of glass or other vitreous material is moulded with the lead-in conductors 5 and is sealed to the bulb 1, which is also of moulded glass, by the abutting flanges 2, 4. The exhaust tube 6 is preferably located opposite the foot. The conductors 5, which may consist of ferro-chromium, are made sufficiently rigid to allow a cap to be dispensed with, and are preferably covered with a layer of glass prior to their being moulded in the foot.
Patent GB-1506968-A (GB)
Title: Pulverising apparatus
IPC: B02C18/00
Filed: 1976-01-20
Abstract: 1506968 Comminuting apparatus W EIRICH and G EIRICH 20 Jan 1976 [29 Jan 1975] 02192/76 Heading B2A Pulverising apparatus comprises a rotatable cylindrical container 1 Fig. 2 and at least one eccentrically disposed high speed rotatable tool 4 having a shaft 5 disposed parallel to or substantially parallel with the axis of the container. The tool is provided with at least one toothed disc 3 whose plane is transverse to the axis of the tool shaft and which can partially engage into material to be pulverised which in use of the apparatus is present on the wall of the container. The tool is radially displaceable in the container. A deflector 14 Fig. 1 facilitates material discharge via an orifice 12. The tool 4 can be raised, lowered and pivoted by a tool carrier 20 which can be controlled automatically by a hydraulic ram 22 Fig. 1. The toothed discs may be fine 32 or sharp with profiles 33, 34, Fig. 3. In a second embodiment a magnetic separator system is incorporated. Electromagnets 44 Fig. 5 are provided on the container walls staggered at 90. A vibrator 42 facilitates discharge of separated ferrous metal. A scaper 47 Fig. 6 or a brush may also be used together with a fixed elongate curved magnet 46. In a further embodiment a fan 55 Fig. 7 facilitates discharge in the direction of arrow 25. The distance between parts 50 and 54 is adjustable to determine the fineness and quantity delivered of the ground product. A further embodiment employs a disc with detachable teeth Fig. 10 (not shown).  The internal surface of the container may be ribbed or smooth, the casing may be driven above the critical speed and the tool and container may be counter - rotatable.
Patent GB-1393242-A (GB)
Title: Fluid flow control devices
IPC: F15C4/00
Filed: 1971-01-16
Abstract: 1393242 Valves, fluid pressure brakes DUNLOP Ltd 17 April 1972 [16 Jan 1971] 2205/71 Headings F2V and F2F [Also in Division G3] A fluid control device comprises a spool member 74, Fig. 3, located in a bore 75 in a housing. The spool controls a pair of variable spill ports B, D each receiving pressure fluid from respective inlets 79, 81 having fixed restrictors A, C therein and connected to input pressure P1, P3. The aperture areas and discharge coefficients are equal for the fixed restrictors, and for the variable spill ports for all positions of the spool. One end of the spool is subjected to static pressure P2 and the other end is subjected to pressure PX on the downstream side of restrictor A. Thus when PX = P2, Spill ports B, D and fixed ports A, C are of the turbulent type. An alternative embodiment, Fig. 4 (not shown), incorporates laminar spill and fixed restrictions. The device performs combined muliplication and division of three variables but instead the pressures supplied may be any combination of fixed and variable pressures, providing P2<P1. Thus with P1 constant, multiplication of two variables (P2.P3) can be performed, or with P2 or P3 constant, division of two variables is possible. If both P2 and P3 are constants then the reciprocal of a variable can be found. With P1 and P3 at constant values, variable input P2 will be amplified by the ratio of the constant values. By interconnecting P2 and P3, P4 becomes equal to and P1 may be made constant, or by interconnecting P4 and P1, P4 becomes equal to #P2.P3 and P2 or P3 may be made constant. Applications of the device include fuel metering circuits of aircraft gas turbine engines, wherein the fuel consumption is controlled in accordance with, e.g. height, air temperature, fuel temperature and engine speed; brake controls for skid prevention, the output pressure of the device being supplied as the brake-applying hydraulic pressure and input pressure being derived from a skid sensor such as a wheel-driven pump; and control of selector valves by providing an overcompensated amplifier biased to one position and utilizing pulse inputs which cause it to move to full or zero output.
Patent GB-1035691-A (GB)
Title: High power hydromechanical clamps
IPC: B25B5/06
Filed: 1963-01-18
Abstract: 1,035,691. Casting machines. INVENTIONS FINANCE CORPORATION. Jan. 18, 1963 [June 29, 1962], No. 2241/63. Heading B3F. [Also in Division B5 and E2] The clamping device described in Specification 1,013,128 is modified in that both the forward and return movements of the force multiplying lever and its supporting member are effected by fluid power actuated means the supplies to which are controlled by externally located solenoid operated valves.
Patent GB-174609-A (GB)
Title: Improvements in or relating to electric water heaters
IPC: F24H1/10
Filed: 1922-01-25
Abstract: 174,609. Trotzer, Z. Nov. 24, 1920. Heating by electricity. -In an electric water heater comprising a receptacle 1 fitted with a heating body 3, a throttled water passage 20 leading along the heating body, a bye-pass 25 which shunts the throttled passage and an electric circuit closing device 8 operated automatically by the water current in the inlet pipe 22, is provided with a valve 12, controlling the bye-pass and adapted to be closed by the pressure in the inlet pipe and to be held open by means of a member projecting from the casing 1, and means actuated by the valve to automatically close the switch 8. The valve 12 is coupled by a rod 11 to a perforated plate 10 fitted in a tube 6, mounted on the outlet of the bye-pass and carrying the contact plate 8. The valve is normally held open by a spring 9 so that cold water flows around the valve through the tube 2 and the perforated plate 10 to the outlet 26. When hot water is desired the tube 6 is pulled down so that contacts 4, 5 are joined by the switch 8 to close the heater circuit and the valve 12 on to the seat 13. Water now flows around the annular passages 14 surrounding the heating body and enters the tube 2 through the bole 17, the valve being held shut by the water pressure thereon. The flow through the heater may be regulated by means of an adjusting screw 27 in the passage 20.
Patent GB-1586701-A (GB)
Title: Disc with line transmitters
IPC: G02B21/18
Filed: 1977-01-20
Abstract: The output aperture of a normal microscope generally has only a limited diameter, with the result that the eye of the viewer must be in a precisely defined position in order to observe the image. Multilens elements are already known with the aid of which it is possible by rotation to view a completely enlarged field, but with the disadvantage of a degraded image quality at the image centre. The invention eliminates this disadvantage by means of an essentially planar optical device, corresponding sets of parallel grooves being present on two parallel surfaces (42, 44) of the device in such a way that the grooves in one surface are arranged transverse to the grooves in the other surface. The action of the device provided with grooves consists in the provision of an enlarged aperture with perfect image quality, specifically both in the state of rest and during rotation of the device about an axis (46). The viewer (50) sees an enlarged image with a complete field of view. The viewer can easily change the position of his head without the complete field of view thereby being lost. <IMAGE>
Patent GB-210461-A (GB)
Title: Apparatus for converting the vis viva of tide into motive power
IPC: F03B13/26
Filed: 1924-01-29
Abstract: 210,461. Brinet, G. Jan. 29, 1923, [Convention date]. Void [Published under Sect. 91 of the Act]. Wave energy, utilizing.-Apparatus for utilizing wave energy comprises a shaft a and oppositely inclined sets of vanes P having a free-wheel connection with the shaft.
Patent GB-1283229-A (GB)
Title: An improved synthetic resin foam material
Inventor: SCHNEIDER MARVIN
IPC: C08J9/00
Filed: 1969-07-28
Abstract: 1283229 Rigid synthetic foams M SCHNEIDER 28 July 1969 2388/72 Divided out of 1283228 Headings C3C and C3R Rigid synthetic resin foams are disclosed having a closed cell content in excess of 80%, the foam being formulated with 10% or less by weight of the total weight of the formulation of a filler in such a way that the foam has a compression yield strength of 5 to 20 p.s.i. and has the properties of shearing upon deformable impact while maintaining substantially the same compression yield strength per unit depth. The foam is most suitably a polyurethane foam but may also be a ploystyrene foam. Preferably the filler is carbon black in amounts of 0À25 to 3À0%, but barium sulphate, calcium sulphate or aluminium sulphate may also be used. The foam is prepared by conventional procedures in a closed mould and may be used as an insulator or impact absorption medium.
Patent GB-1255623-A (GB)
Title: Improvements in or relating to clutches
Inventor: WOOD HARRY
IPC: F16D11/04
Filed: 1968-01-17
Abstract: 1,255,623. Positive clutch. HORDERN MASON & EDWARDS Ltd. 5 March, 1969 [17 Jan., 1968], No. 2454/68. Heading F2C. A positive clutch, e.g. for a slow-running power press or a guillotine, comprises clutch teeth 19, 16 on a driven sleeve 17 and a driving flywheel 11, respectively, and the sleeve 17 is splined to a driven shaft 10 and carries a ring 22 screw threaded thereon, a spring loaded stop 31 being moved to engage one of a number, e.g. four, of recesses 23 in the ring 22 to prevent rotation thereof and hence move the sleeve 17 axially to disengage the clutch. With the ring held against rotation, the ring and sleeve 17 move relatively -in opposite axial directions against spring-loaded thrust pads 26, 36 which brake the driven member frictionally and eventually positively stop the driven sleeve when their springs are fully compressed. On again withdrawing the stop 31, a tension spring 24 between the sleeve 17 and ring 22 turns the sleeve 17 and , assisted by a helical spring 30, moves the sleeve axially to engage the clutch. A small relative turn -between the sleeve and nut, e.g. 30 degrees, may be sufficient to move the sleeve axially from its engaged position to-a disengaged position.
Patent GB-129933-A (GB)
Title: Improvements in or relating to Toy Projectors.
Inventor: AITON HENRY JAMES
IPC: A63F9/02
Filed: 1919-02-01
Abstract: 129,933. Aiton, H. J. Feb. 1, 1919. Projectors and projectiles.-Relates to spring projectors and darts for use therewith. In the arrangement shown in Figs. 1 and 2, spring arms 2, 3 adapted to grip the projectile are pivoted to a support 7 and are drawn forward by an elastic &c. spring 9. The arms are drawn back by a lever 6 and may be held retracted by a catch. A wedge 11 is adapted to separate the arms at the moment of firing in order to release the projectile. A block 14 sliding in grooves is adjustable to vary the inclination of the base 8. When a dart is used it preferably consists of a conical sleeve 16, Fig. 4, fitting on a core 19 with a cylindrical end 18, the " brush " 20 being gripped between the sleeve and the core. In a modified arrangement for throwing a ball 21, Fig. 5, the arms are pivoted at the upper part and base is formed with ball guides 27.