baber/WOPTO huggingface dataset:
Patent GB-529906-A (GB)
Title: A new or improved method and/or apparatus for effecting automatic control
IPC: G05B5/01
Filed: 1939-05-26
Abstract: 529,906. Automatic control systems for furnaces &c. BIRMINGHAM ELECTRIC FURNACES, Ltd., KENT, Ltd., G., LOBLEY, A. G., and SCANES, P. May 26, 1939, No. 15721. [Class 38 (iv)] Temperature &c.-Any variable condition oscillating about a desired value is controlled by means which automatically and progressively reduce the extent of each succeeding control action. The circuit of a reversible motor controlling a valve has, in addition to " high " and " low " contacts made by a switch responsive to the variable, limit switches 1, 2 operated by cams 56 driven from the valve mechanism to determine the extent of its movement, and means whereby these limit switches are in turn moved toward each other to reduce the amplitude of each successive valve movement to a minimum defined by an adjustable stop 25 carried by one of switches. The switches 1, 2 are carried by frictionally restrained discs 8 which can be set initially by a handle 27. Ratchet teeth on each disc are engaged respectively by pawls 11 on arms 13, each held by a spring against a stop. Projections 24 on the arms are each engaged in turn by pins 23 on discs 22 which are rotated by a reversible auxiliary motor 19 operating when the valve motor is running, the arrangement being such that during movement of the valve, the disc 8 of the limit switch effective in its succeeding (reverse) movement is racked in a direction to bring that switch nearer to its fellow. The rate of movement depends upon adjustment by a lever 28 of a member 26 masking the ratchet teeth and whereby each disc 8 may be freed to enable adjustment by the handle 27. In a furnace temperature control to avoid initial " overshooting " a contact may be provided preventing movement of the "high" limit switch until a certain temperature has been reach from cold.
Patent GB-203390-A (GB)
Title: Improvements relating to the heating of houses, factories, halls and other buildings
IPC: F24B7/02
Filed: 1922-06-06
Abstract: 203,390. International Onepipe Heater, Ltd., (International Heater Co.). June 6, 1922. Air, heating. - For heating houses, factories, halls, &c. by hot air a. heater is employed comprising a slow combustion stove surrounded by, but spaced from, a casing 2, to which air to be heated is admitted through regulable openings in the sides of a platform or base 14 carrying the stove and casing and from which, after heating, it issues vertically through the open or gridcovered top of the casing. The smoke &c. is withdrawn by a lateral pipe, which, as shown, may have a jacket 9 through which vitiated air from the floor level is caused to flow to an outlet in the roof or elsewhere by the heat of the smoke pipe. A special radiator may be arranged in the top of the stove to impart further heat to the air and there may be more than one casting 2. Air to be heated may be taken from the room or, as shown, from outside.
Patent GB-496891-A (GB)
Title: Improvements in or relating to turbine driven locomotives
IPC: B61C9/30
Filed: 1937-06-07
Abstract: 496,891. Turbine locomotives. TENNANT, W. J. (Aktiebolaget Ljungstr÷ms Angturbin) June 7, 1937, No. 15750. [Classes 79 (i) and 79 (ii)] [Also in Group XXVI] A locomotive is driven from the longitudinal shaft of a turbine 20 through a primary gear train 21, 22, 23 connected by one or more shafts 25 to a second gear train 28 which is connected to two shafts 35, 37 each of which drives an axle or axles through bevel, worm or like gearing (not shown). The second geartrain 28 may include reversing gearing. In the construction shown the locomotive is mounted on two driving bogies 4, 5 the centre wheels 7, 10 being driven through the bevel gearing and the outer wheels 6, 9 being coupled to the centre wheels by coupling rods 13, 17. A pinion 21 on the turbine shaft gears with wheels 22, 23 on two parallel shafts 25, the rear ends of these shafts having pinions 26, 27 normally meshing with the gear wheel 28. To reverse the locomotive the pinions 26, 27 are moved to the positions 261, 271 out of mesh with gear 28 and in mesh with an idler gear 29 always in mesh with 28. The gear 28 drives the bogies through flexiblyjointed shafts 35, 37, differential gear being provided between the gear 28 and these shafts if desired. The bevel wheels of the differential gear may have resilient teeth. The bogie wheels may all be of the same diameter as shown, or the centre wheels 7, 10 may be larger than the others, so that the jointed shafts 35, 37 may be nearly horizontal. In the latter case the outer wheels of the bogies may be driven from the centre wheels through bevel gearing.
Patent GB-748655-A (GB)
Title: Improvements relating to automatic telephone systems
Inventor: BARROW NORMAN
IPC: H04Q3/00
Filed: 1953-06-09
Abstract: 748,655. Automatic exchange systems. SIEMENS BROS., & CO., Ltd. June 4, 1954 [June 9, 1953], No. 15826/53. Class 40 (4). Each test outlet of line finders and final selectors is marked by appropriate free, calling or busy potentials obtained through resistances associated individually with the two wires of a subscriber's line, the resistances being constituted by the windings (1), (II) of a differential cut-off relay K individual to a line which, when operated, disconnects from the line wires and locks over a circuit including the test wiper PL or PF of the operated line finder or final selector. Free test outlets are characterized by negative potential in the line finder and positive potential in the final selector, both potentials being obtained over the windings of relay K. When the line is looped by a calling subscriber, the associated line finder and final selector test outlets all assume an intermediate potential which busies the line to incoming calls and fires a cold cathode tube V2. A line finder control circuit comprising a pentode valve V1 and an anode relay W responds and starts a line finder. When the intermediate potential of the calling line test outlet is reached, valve VAL conducts and operates relay TL which stops the switch and pulls up an auxiliary relay (not shown). The auxiliary relay switches through the line to the first selector and at its contact tal connects negative busy marking potential to the test wiper PL over a surge-suppressing inductor LL. As winding (II) of K.is disabled the relay operates and extends the negative busy marking to the final selector, as well as disconnecting the test circuits from the line wires and releasing the line finder start circuit. In the case of calls incoming over a final selector, the desired outlet is tested by a valve VAF which conducts and pulls up a high speed anode relay TF only if the test wiper PF encounters positive potential. An auxiliary relay (not shown) also pulls up and at its contact taf connects busying negative potential to the test wiper. Relay K then operates over winding (I), disconnecting the line finder start circuit and extending ringing current to the line.
Patent GB-630934-A (GB)
Title: Improvements in steam traps
IPC: F16T1/28
Filed: 1947-06-17
Abstract: 630,934. Steam traps. THOMSON, J. June 17, 1947, No. 15878. [Class 64(ii)] A steam trap of the upright open bucket 'type has a ported tube 4 attached centrally within the bucket 2 and slidable in a fixed outer tube 3 secured to a discharge passage 9 from the trap, movement of the inner tube causing ports 5 in its wall to be covered or uncovered by the lower end of the fixed outer tube. Furthermore the upper end of the inner tube 4 is tapered to a nozzle 6 and is accommodated in the conically formed end of the discharge passage 9 in order that the the liquid discharge will impart a downward thrust to the float to ensure a more positive action. The trap may be primed with water to ensure initial closure of the ports 5.
Patent GB-488751-A (GB)
Title: Improvements in or relating to holders for christmas trees
IPC: A47G33/12
Filed: 1937-06-08
Abstract: 488,751. Stands for Christmas trees. MACCO, (nÚe MULLER), A. June 8, 1937, Nos. 15917 and 15918. Convention dates, June 8, 1936 and Sept. 4, 1936. [Class 132 (iii)] A stand for a Christmas tree comprises a sleeve b, Fig. 1, with wedges c, and a water tank d containing a sheet metal or ceramic perforated body f having a shallow cup-shaped perforated bearing surface g, the body f being either rigidly connected with the tank d or arranged loosely therein. In the construction shown in Fig. 3, the stem of the Christmas tree is secured in the sleeve b by three or more radial screws h having curved head portions i rotatably mounted thereon. The head portions i may have a central flattened part k. The radius of curvature of the head portions i is preferably greater than that of the stem to be gripped.
Patent GB-791646-A (GB)
Title: Improvements in or relating to methods of manufacturing cathode-ray tubes for reproducing colour television images
IPC: H01J5/44
Filed: 1956-05-23
Abstract: 791,646. Colour television tubes. CHROMATIC TELEVISION LABORATORIES, Inc. May 23, 1956 [May 26, 1955], No. 15944/56. Class 39(1). A colour television tube comprises a screen 49, Fig. 1, built up from phosphor strips which luminesce in different colours and in front of which on the cathode side is arranged a grid electrode having approximately the same dimensions as those of the fluorescent screen, a plurality of stretched parallel wires 21 being arranged with the interposition of glass frit 25, 27, Fig. 2, between two frames 23, 29, the frit providing a seal to connect together the wires and frames in a relatively insulated manner to form the colour grid unit, the unit being connected in a vacuum tight manner on the one hand to the window 17 and on the other to the cone 19 of the tube by means of material 37 having a lower fusion point than the glass frit 25, 27. As shown the frames 23, 29 are sealed by the material 37 to metal rings 33, 35 in turn sealed to the tube window and cone. The grid wires 21 are trimmed externally and interconnected after sealing by the frit in the frames. The screen 49 on its support 15 may be secured to the tube by holders 43 having a lead through conductor 47.
Patent GB-317364-A (GB)
Title: Improvements in or relating to the manufacture of ceramic bodies
IPC: B28B21/48
Filed: 1929-05-24
Abstract: 317,364. Hermsdorf-Schomburg-Isolatoren Ges. Aug. 14, 1928, [Convention date]. Extrusion machines; moulds, hollow-ware.- Ceramic bodies, particularly of large dimensions, are formed by uniting turns or windings formed from one or more strands of material. As shown, a strand 3, fed from a press 4 is received upon a rotary table 5 and wound about a core 1 in superposed turns 2 which are united by pressure or by the end of slip. The turns may be superposed on the interior of a. hollow former, or without a former. Flat objects are formed by laying the turns side by side instead of superposing them. Both methods may be combined. More than one strand may be employed and the thickness of the strand may be varied.
Patent GB-654330-A (GB)
Title: Improvements in or relating to calculating machines
Inventor: HITCH FREDERICK ALEXANDER NIGE
IPC: G06G7/16
Filed: 1948-06-16
Abstract: 654,330. Calculating-apparatus. NATIONAL RESEARCH DEVELOPMENT CORPORATION. June 16, 1948, No. 16209. [Class 106 (i)] In an electronic multiplying and dividing device an electron beam from a cathode 1 (Fig. 1) is accelerated by anode 2 to a velocity V and is deflectable in the X direction by an electric field VXE and a normal magnetic field VXM. Deflection of the beam develops a signal potential on either of the electrodes 6, 7 which is amplified at 8 to vary the velocity or field strength until the beam returns to its undeflected position between the electrodes. Then VXE =vVXM, and if the field VXE is automatically-varied to restore the beam, quantities may be multiplied together by adjusting V and VXM analogously therewith so that VXE represents the product. Similarly, if V is automatically varied, it represents the quotient. The electron beam may be deflected in the X and Y directions by mutually normal electric fields VXE, VYE and magnetic fields VXM VYM. When undeflected the beam is centred relatively, to four quadrants 10 11, 12, 13 (Fig. 2), which are connected to an amplifier circuit such that the quadrants 11, 12 and 10, 13 cooperate in pairs to develop an X deflection signal and quadrants 10, 11 and 12, 13 similarly co-operate to develop a Y deflection signal. These signals respectively control V and the deflecting fields VYE to restore the beam to its undeflected position, when so that if VXE, VYM represent the quantities to be multiplied and VXM is a constant, VYE represents the product, and similarly the quotient if VYM, VXM represent the quantities and VXE is constant.  The quadrants may be replaced by a normal C.R.O. screen with four symmetrically disposed photo-cells. The deflecting variables may be manually adjusted, or set up by an external electrical computer, and the result may be transmitted to a further computer. Beam focus is pre-
Patent GB-927368-A (GB)
Title: Improvements in or relating to electric switching circuit arrangements including gas discharge tubes
Inventor: SHAW GORDON WESTBROOK
IPC: H03K3/37
Filed: 1960-05-09
Abstract: 927,368. Valve bi-stable circuits. MARCONI'S WIRELESS TELEGRAPH CO. Ltd. Feb. 2, 1961 [May 9, 1960], No. 16246/60. Class 40 (6). A bi-stable circuit comprises two trigger type gas discharge tubes 7, 8, a paraphase amplifier input circuit which feeds antiphase signals to the two trigger electrodes, and a coupling circuit connected between the two anodes such that when one tube is triggered into the ignited state, the other is extinguished. As described, the circuit is one for switching the output to one value in response to a change in input in one direction past a predetermined level, and back in response to a change in the other direction past a predetermined value, not necessarily the same as the first. The two antiphase signals are derived from a long-tailed pair 3, variable resistors 5, 6 being provided to determine at what levels of input signal the circuit switches, and the coupling circuit between anodes is a capacitor 12. The input signal may vary linearly between limits, e.g. in accordance with a triangular voltage wave and outputs may be taken from one or both cathodes of the valves 7, 8. Each gas tube has a pair of " keep alive " electrodes A2, C2.
Patent GB-967516-A (GB)
Title: Improvements in combined centering and clamping arrangements
IPC: F16D1/08
Filed: 1962-04-30
Abstract: 967,516. Milling cutters; chucks. F. HURTH, and H. HURTH. April 30, 1962 [May 25, 1961], No. 16346/62. Headings B3B and B3K. In an arrangement for centring and clamping an apertured disc like cutting tool 13 in its mounting bore, a spring washer 54 co-operates with a disc like spring 52 which is integral with the tool. When tightening the nut 19 on the threaded portion 18 of the holder 10, the spring washer 54 is displaced axially and a radial gripping of the support head 12 is effected. In a modification the centring means comprises a spring which is separate from the tool but acted on in the same manner, under the action of a spring, by reducing the internal diameter. In another modification the centring means comprises two annular concentric wedges. In another modification the centring means comprises pins in channels which diverge towards the central aperture of the tool.
Patent GB-570344-A (GB)
Title: Improvements in or relating to the production of lubricating compositions
Filed: 1943-10-06
Abstract: 570,344. Lubricating compositions. DODD, H., STOPFORD, E. F., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 6, 1943, No. 16357. [Class 91] A lubricating composition for valves, bearings, &c., comprises a mixture of finely divided graphite and a chlorinated paraffin wax. The latter may be a compound of low chlorine content, e.g., 20 per cent. by weight, with or without a compound of higher chlorine content the compound is usually of at least 40 per cent. and preferably of 45-50 per cent. chlorine content
Patent GB-240916-A (GB)
Title: Improvements in and relating to turbine rotors with turnable vanes
IPC: F01D7/00
Filed: 1924-07-08
Abstract: 240,916. Woosnam, A., (Englesson, J. E.). July 8, 1924. Regulating.-In turbines wherein regulation is effected by adjusting the angularity of the rotor blades by means of a servo-motor arranged within the rotor hub, as described in Specification 193,414, the pressure oil for the differential piston 1, Fig. 1, is admitted through a slidable pipe 2, the lower end 8 of which constitutes a valve controlling a duct 6 in the piston-rod 4. A second duct 5 conveys oil to the lower side of the piston. Other arrangements of the ducts 5, 6 are described; an additional pipe may surround the slidable pipe 2. In a further modification, Fig. 3, the slide-valve is actuated through a solid rod 10 placed within a pipe 11 conveying the pressure oil.
Patent GB-1386691-A (GB)
Title: Processes for repairing damaged sheet materials
IPC: B05D5/02
Filed: 1972-04-10
Abstract: 1386691 Repairing sheet material VINYLIZE SYSTEMS (EUROPE) Ltd 6 April 1973 [10 April 1972] 16519/72 Heading B5A In a process for repairing a damaged patterned sheet material, e.g. of PVC a plastics compound is applied to the damaged area and a pattern matched with that of the sheet is applied to the compound whereupon the compound is cured and bonded to the sheet. The pattern may be applied by placing on the compound a releasable flexible sheet, formed with the pattern, which is then subjected to heat and pressure, the compound may be a PVC paste with a heat stabilizer, viscosity depressant and a dye; the pattern may be a grain or the sheet material may simulate leather. The flexible sheet may be formed by applying a curable composition comprising a solvent on to an undamaged portion of the patterned sheet, allowing the solvent to evaporate, and stripping the solidified sheet from the base sheet.
Patent GB-165037-A (GB)
Title: Improvements in electric magnetic wave transmission systems
IPC: H03H7/48
Filed: 1920-07-07
Abstract: 165,037. Soc. Francaise Radio-Electrique. Oct. 16, 1919, [Convention date]. Addition to 147,465. Oscillation generators; keying systems and apparatus.-In a wireless transmission apparatus of the kind employing high-frequency alternators 1, 1<1>, 1<11> connected in parallel, as described in the parent Specification the bus-bars 2, 3 are connected to the transformer primary 7 through an inductance coil 8, and the signalling-key 9 is arranged to short-circuit the primary 7 when depressed. The secondary coil 6 of the transformer 6, 7 is connected in the aerial 5. The inductance of the coil 8 is such that the current given by each alternator when the key is depressed is equal to the short-circuiting current of the machine. The aerial may be fed by a number of transformers having their secondaries connected in series, in parallel, or in series-parallel. A number of aerials may be fed simultaneously from the bus-bars. A direct coupling may replace the inductive coupling 6, 7.
Patent GB-1387695-A (GB)
Title: Liquid stirring device
IPC: B01F7/00
Filed: 1972-04-11
Abstract: 1387695 Mixing apparatus A L PRITCHARD 10 July 1973 [11 April 1972] 16578/72 Heading B1C A lid 1 for a container e.g. for paint has a bearing member 3 in which are journalled a shaft 8 carrying a stirrer 11, and a shaft 16 carrying an eccentric 17 which can be rotated by a lever 18 to bear on the edge of the container and release the lid. In the horizontal position of the lever 18 a transverse bore (not depicted) in the shaft 16 registers with a hole 22 in the member 3 and with one in the lid to allow air to enter when the contents are poured from the closable spout 20. The stirrer may be rotated by a hand crank 9 or by engagement of the shaft 8 with e.g. the chuck of an electric drill.
Patent GB-860293-A (GB)
Title: Improvements in crown caps
Inventor: FORD RALPH EWART
IPC: B65D41/12
Filed: 1958-05-23
Abstract: 860,293. Crown corks. FORDS (FINSBURY) Ltd. Aug. 14, 1959 [May 23, 1958; June 25, 1959], Nos. 16655/58 and 21835/59. Class 125(3). A crown cap 11, preferably of aluminium alloy, comprises a ring 12 of a sealing compound applied around the inerior -of its skirt so that when the cap is crimped into place on a bottle 15 the compound fills and seals the corrugations of the crimping and a further ring 13 of a sealing material disposed around the underside of the top of the cap, to seal against the top of the bottle. The ring 13 of sealing material may be disposed as shown in the corner between the top of the cap and the skirt or may be arranged to engage the inner edge of the bottle top around the opening. The interior of the cap is coated with vinyl lacquer. Specification 807,074 is referred to.
Patent GB-1486754-A (GB)
Title: Rotor for a rotary fluid-machine
IPC: F04C18/54
Filed: 1976-04-23
Abstract: 1486754 Rotary positive-displacement fluidmachines CATERPILLAR TRACTOR CO 23 April 1976 [8 Sept 1975] 16658/76 Heading F1F In a nutating rotor 26 for a machine that may be adapted for use as an I.C. engine, a compressor, or a pump, seals 42 encircling the ends of a bore 28 for an oblique portion 24 of a rotary poweroutput, or input, shaft 22 are accommodated in grooves 46, the axially inner end of the radially inner sidewall 50 of each groove being at a distance from the bore axis equal to or greater than the distance of the outer end of the sidewall from said axis so as to facilitate insertion of the seal. The seal may have a land 58, be furnished with an O- ring 60, and be biased outwardly by a spring 54. The rotor may have a part-spherical hub 32 and an annular flange 30, which engages with a partspherical housing surface 12. The bore 28 preferably contains bearings, as shown, which engage with the shaft portion 24. Internally-meshing gears 36,38 may be used to harmonize the rotation of the rotor with that of the shaft.
Patent GB-581881-A (GB)
Title: Improvements in or relating to torpedo firing mechanism
IPC: F41F3/08
Filed: 1939-06-07
Abstract: 581,881. Launching torpedoes. PAINE, H. SCOTT-, and GWILLIAM, V. C. E. MARTEN-. June 7, 1939, No. 16746. [Class 9 (ii)] In torpedo-firing mechanism of the kind in which a Bowden wire or like mechanical connecting means is used to couple the firing lever to the firing device, the said mechanical connecting means is attached near the firing mechanism to an electromagnetic armature through a lost-motion coupling to provide an alternative means of control. A cam-slotted plate 20 of the kind described in Specification 581,880 is connected to a soft-iron core 15 having a bore 18 within which lies the head 17 of a rod 16 connected to the Bowden wire 10 leading from the control lever. The plate 20 may be moved to the right, as shown in the Figure, either by a pull on the wire 10 or by the energizing of the solenoid 19.
Patent GB-1178931-A (GB)
Title: Motor Vehicle Chassis
Inventor: MARTLAND LAURIE
IPC: B60K17/04
Filed: 1967-04-12
Abstract: 1,178,931. Vehicle frames. FORD MOTOR CO. Ltd. 12 April, 1967, No. 16783/67. Heading B7D. , The subject-matter of this Specification is substantially the same as that described in Specification 1,179,282, but the claims are concerned with a vehicle comprising a frame with a central backbone and transversely extending outriggers, a unit comprising a motor and gear-box assembly bolted to the rear of the backbone, independent wheel suspension control arms pivotally mounted on the frame and a body attached to the outriggers.