baber/WOPTO huggingface dataset:
Patent GB-296752-A (GB)
Title: Improvements in the method of working with hydrocarbons at high temperatures
IPC: B01J19/02
Filed: 1927-03-03
Abstract: 296,752. Johnson, J. Y., (I. G. Farberindustrie Akt.-Ges.). March 3, 1927. Divided on 296,683 Hydrocarbons.-The hot parts of apparatus in which hydrocarbons are treated at high temperature are treated with boron, arsenic, antimony, bismuth, phosphorus, selenium or compounds of any of these or with silicon to prevent deposition of carbon. Mere traces of the additions are sufficient; they may be introduced by treating the apparatus with solutions or vapours containing the above compounds, or by adding such compounds as are volatile to the hydrocarbons under treatment. According to an example, a copper tube is treated with boric acid solution before being used for the catalytic conversion of ethylene into benzene. The invention is generally applicable to processes involving heat treatment of hydrocarbons, including cracking processes, but it does not include hydrogenating processes unless such addition is introduced into the reaction mixture. Specification 270,313, [Class 32, Distilling &c.], is referred to.
Patent GB-613400-A (GB)
Title: Improvements in and relating to photographic materials
IPC: G03C1/35
Filed: 1946-06-20
Abstract: S-n-Butylthiuronium bromide is prepared by reacting together n-butyl bromide, thiourea and ethyl alcohol.  S-Cetylthiuronium iodide, S-amidoethylthiuronium chloride (using chloracetamide), S-2-thiazylamidomethylthiuronium chloride, and S-2-pyridylamidomethylthiuronium chloride are similarly prepared. 2-Chloracetamidothiazole is prepared by reacting 2-aminothiazole with chloracetyl chloride in pyridine, and precipitating with acetic acid. 2-Chloracetamidopyridine is similarly prepared.
Patent GB-751300-A (GB)
Title: Improvements in and relating to vacuum cleaners
IPC: A47L9/04
Filed: 1954-06-24
Abstract: 751,300. Suction cleaners. GENERAL ELECTRIC CO. June 24, 1954 [June 26, 1953], No. 18569/54. Class 8(1). A floor cleaning attachment for a vacuum cleaner comprises a base plate I and a top shell 32 secured thereto and enclosing an agitator 5 and a driving motor 15 therefor. The base plate has a U-shaped rib 9, 10, 11 and a rib 13 which together with the top shell 32 form a housing for the motor 15 and with ribs 36 on the shell 32, chambers 45 connecting the suction slot 3 to a T-shaped suction hose connection 24, the cross pipe of which is rotatably mounted in the rib members 10, 11, the other projecting through the top shell. Front wheels 8 are mounted on the base 1 and rear wheels 42 on the inside of outer end walls 39 of the top shell which encloses the wheels.
Patent GB-317948-A (GB)
Title: Double rug needle
IPC: D05B85/00
Filed: 1928-06-27
Abstract: 317,948. Saville, J. E. June 27, 1928. Hand sewing - tools. -A double needle for rug-making is made from stainless-sbeel, nickel silver, or plated steel and comprises two U-shaped members a, a<1>, bolted, welded, or riveted together. The ends d, d<1> are off-set. The jaws f, d and f', d<1> are closed and pushed through the canvas till stopped by the parts c, c<1>. A piece of material is then gripped in each pair of jaws and pulled through the canvas.
Patent GB-1433530-A (GB)
Title: Power plants
IPC: F01D25/12
Filed: 1973-04-18
Abstract: 1433530 Steam turbine plant; powergenerating system BABCOCK & WILCOX CO 18 April 1973 [18 April 1972] 18672/73 Headings F1Q and FIT In a steam engine power-plant, e.g. high and lowpressure steam turbines 54, 64 for use as an auxiliary with a nuclear power-plant run at constant load, including a vapour generating unit 10 providing super-heating of the vapour at 26, 28 and re-heating at 30, and primary temperature control of the steam, e.g. by regulatable gas recirculation or water spray attemperators at 48, 58, for use during normal operation, temperature control during quick start-ups to prevent damage to the turbine by super-heated steam, is effected by attemperators 50, 60 in the super-heated steam lines 52, 62 to the high and low-pressure turbines 54, 64 supplied with saturated steam from the unit 10 via control valves 78, 86 and stop and checkvalves 80, 88. The attemperators 50, 60 each comprise a cylindrical header (51), Fig. 2, (not shown), containing a coaxial manifold (82), receiving saturated steam and discharging into the manifold through nozzles (96) opposed to entry tubes (98) from the super-heater or re-heater. The plant normally operates at constant rated temperature and pressure controlled by the attemperators 48, 58 and boiler feeding rate respectively, or with a pressure falling with load. Throttle valves 42, 46 allow the boiler pressure to be maintained constant whilst the turbine steam inlet pressure falls with load. Too low re-heat or super-heat temperature is corrected by connecting saturated steam to the condenser 68 via valve 74 to reduce the flow of steam through the super-heaters and re-heater.
Patent GB-761003-A (GB)
Title: Improvements in or relating to boxes
IPC: B65D81/36
Filed: 1954-06-25
Abstract: 761,003. Boxes. THOMSON, T. H., and GELLATLY, L. June 6, 1955 [June 25, 1954], No. 18704/54. Class 18. [Also in Group XV] A box with front, rear and side walls 14-16 forming a box part 10 has a cover 11 therefor provided with two score lines 29, 30 parallel with and intermediate of its front and rear edges which define a centrally located panel having trapezoidal side flaps 32, the inclined edges of which, when the box is erected to form a stage, Fig. 4, can be aligned with the side edges of the cover above and below the centrally located panel, whereby the cover forms the roof of the erected stage and the flaps 32 the side wings. On erecting the stage the front 14, 19 of the box is set up to house footlights, the walls 16, 20 are folded under the stage 34a, the tabs 34 engage slots 35 in the flaps 32 to hold the flaps in position, and panels 27, 28, which in the closed box respectively cover the front wall 14 and fold under the front of the box, become part of the roof of the stage. The stage may be set up with the back supported by struts 38, lighting may be housed behind the panel 28 in the roof, and figures for a tableau may be displayed on the stage.
Patent GB-685871-A (GB)
Title: Improvements in or relating to fluid bearings
IPC: F16C32/06
Filed: 1950-07-26
Abstract: 685,871. Bearings in gas turbines. GERARD, P. L. J. July 26, 1950 [Feb, 1, 1950], No. 18711/50. Class 110(iii) [Also in Group XXXIV] In a combination fluid-mechanical bearing, a fluid bearing surrounds or is surrounded by a mechanical bearing (e.g., ball, roller or the like) with which it is coaxial (see Group XXXIV). As applied to a gas turbine, two such combined bearings 5 support the rotor shaft 23, the mechanical bearing 3, 4 surrounding the fluid bearing. Air is passed from the turbine compressor 25 through holes 30 into the rotor shaft and thence through holes 13 into the fluid bearing. Combined bearings according to the invention may also be used to support other rotating parts of gas turbines. Specifications 587,528, 642,891 and 676,925, [both in Group XXXIV], are referred to.
Patent GB-567566-A (GB)
Title: Production of bi-metallic vessels
IPC: B22F7/08
Filed: 1943-11-11
Abstract: 567,566. Obtaining coherent masses from powdered metal. TULLIS, Ltd., D. & J., and TULLIS, D. R. Nov. 11, 1943, No. 18753. [Class 82 (i)] In making a bi-metallic vessel for heat transference by pressing a mixture of powdered metals in the plastic state on to the wall of a preformed shell, this is heated to such a temperature that the powdered metals become a coherent alloy. The first shell may be of light section and a heavy section may be moulded on to the base and at least part of the sides thereof. The first shell may be of a metal, . e.g. chromium plated steel, or alloy, e.g. that known under the Registered Trade Mark " Monel," able to withstand corrosion or have desired thermal properties while the moulded alloy may impart rigidity or resist other corrosive action or both, e.g. copper and tin or aluminium and zinc. A mixture of copper and tin powders may be moulded at about 250‹ to 300‹ C. on to a shell of stainless steel heated to about the same temperature. The method may be used in making cooking utensils.
Patent GB-183698-A (GB)
Title: Improvements in and relating to sheet feeding mechanism
IPC: B65H3/08
Filed: 1921-07-12
Abstract: 183,698. Alexander, A. E., (Stokes & Smith Co). July 12, 1921. Sheet-separators; sheet carriers and guides; pile tables and supports. - Sheets are separated and fed from a pile by sheet-engaging means preferably in the form of an oscillating suction roller mounted in a carrier which is reciprocated to and from the edge of the pile and caused to engage the bottom sheet when it is adjacent to the edge of the pile and to bend it on the return of the carrier. At the completion of the movement of the carrier, the bent and separated sheet is forwarded by sheet-gripping means preferably in the form of rollers, one of which is mounted on the carrier. The pile projects beyond a fixed support but the carrier of the suction device is fitted at either side of the suction device with supports which are so arranged that the forward edge of the pile is at all times supported throughout substantially its whole length. As shown, a suction roller 31 is mounted in a carrier which moves in guides and is reciprocated by a link 22 and an adjustable oscillating arm operated by a cam driven from a main driving shaft 28. The pile of sheets rests on an inclined table 10 fitted with adjustable gauges and cut away at its front end to permit of the separating action. The roller 31 is connected by a flexible pipe to a suction pump 39, the piston of which is operated by a cam and a lever connection which controls the timing of the suction action accurately. Asthe carrier returns to the left, the roller 31 rotates in a clockwise direction and bends the sheet around itself. When released, the sheet is guided by a wedge-shaped guide 38 and passes between rollers 48, 47, of which the roller 47 is a driven roller, and the roller 48 is an idle roller mounted on the carrier. The wedge 38 is carried by a rod 36 and the upper surfaces of the parts 38, 36 form a support for the front of the pile when the parts are as shown, and supports 45 on the carrier support the front of the pile when the suction roller is under the extreme edges of the sheets. The sheets may be pressed down by a bar 50 on a bar 51 mounted in a bracket 52. The bar may be held in inoperative position by a catch when the pile is being renewed, or may be held by this catch in a position to exert additional pressure when the pile is low.
Patent GB-874359-A (GB)
Title: Hydraulic drive system for a fan and/or a dynamo and a servo-steering system in motor vehicles
IPC: F15B11/16
Filed: 1960-05-27
Abstract: 874,359. Hydraulic transmission of power. THOMA, H. May 27, 1960, No. 18816/60. Class 69 (2). [Also in Group XXXI] A fan V and/or dynamo and a servo-steering system LZ in a motor vehicle are connected in series in an hydraulic driving system and supplied by a common pump. A pump P supplies fluid through a pipe D1 to a motor M1 driving the fan V or dynamo. The pump and motor may be of the axial-piston type and one or other may be adjustable. The output from the motor is connected to a valve L controlling the fluid supply to the steering cylinder LZ return flow from the cylinder passing through the valve to a tank O which may be open or closed and the oil fed to the pump by compressed air or an auxiliary pump. A valve RV may by-pass or throttle fluid from the pump to the steering system at a regulated pressure controlled by a temperature-responsive element in a cooling medium. In the event of the steering system applying a sudden load on the driving system to starve the motor, the flywheel effect of the fan, or of the rotor of the dynamo, reduces the pressure requirements of the motor and may cause the motor to act as a pump. The fluid from the pump may be supplied first to the steering system and then to the fan or dynamo.
Patent GB-596168-A (GB)
Title: Improvements in gas governors
IPC: G05D16/16
Filed: 1945-07-23
Abstract: 596,168. Fluid-pressure servomotorcontrol systems. METERS, Ltd., BARNES, H. V., and MITCHELL, H. H. July 23, 1945, No. 18844. [Class 135] A gas governor valve c, interposed between the exhauster main b and the foul main a of a coal carbonizing plant and controlled by a diaphragm or bell i, the underside of which is in communication with the main b, is characterised in that an automatic valve o, actuated by a bell or diaphragm q adjustably weighted at r and exposed to the pressure in the main a, allows air or gas to pass through the filter t to the exhauster via a pipe m leading to the underside of the bell i through a pipe k having an adjustable check valve u for preventing hunting in the valve c. The vacuum governor n ensures that a constant vacuum is applied at the junction of pipes m and k.
Patent GB-357244-A (GB)
Title: Improvements in thermionic valve circuits for generating high frequency currents
IPC: H03B5/10
Filed: 1930-06-20
Abstract: 357,244. Valve generating circuits. GRAHAM AMPLION, Ltd. and HODGSON, A. D., St. Andrew's Works, Slough, Buckinghamshire. June 20, 1930, No. 18851. [Class 40 (v).] An oscillation generator comprises a master oscillating circuit 19, 20 connected to one grid electrode of a valve and inductively coupled to a reaction coil 23 connected to a second grid electrode. The anode of the valve is connected to a tuned output circuit 24, 25 and screened from the electrodes of the master circuit to avoid electrostatic interference from the output circuit. The frequency may be further stabilized by means of a piezo-electric crystal and the screening may be improved by the incorporation of a neutralizing circuit. Modulation may be effected by connecting a microphone to either of the grids, or to the anode, or by means of a fourth grid electrode. The device may be used for multiplying frequency by arranging that the master circuit produces harmonics as by providing a high value of grid leak 22 and tuning the output circuit to the desired harmonic. Fig. 3 shows a push-pull oscillator in which a phasing system may be inserted between the screening grids or between the screening grids and earth in the case of a frequency multiplier.
Patent GB-1495632-A (GB)
Title: Switch arrangement for high voltage direct currents and alternating currents
IPC: H01H9/54
Filed: 1975-05-06
Abstract: 1495632 Arc rupturing in switches D KIND 6 May 1975 [7 May 1974] 18937/75 Heading H1N An arrangement for facilitating current interruption in a high voltage A.C. or D.C. circuit has two series switches S 1 , S 3  and a parallel circuit across the commutating switch S 1  arranged to include a resistor R(#) with a positive temperature coefficient in series with a spark gap F R . When switch S 1  is opened and the arc voltage is sufficient for break-down of the gap FR the arc in S 1  ceases and the current in F R  and R(#) falls as the resistance is heated by the current therein and the residual current is interrupted by operation of the switch S 3 . In the Fig. 3 arrangement there is a further series switch S 2  which is opened at the same time as S 1  and spark gaps F R1  and F R2  have different break-down voltages so that a resistor R 2 (#) takes over the current carrying function from R 1 (#) as the voltage builds up. In Fig. 5 switches S 1  and S 2  are arranged for simultaneous opening and one in parallel with a positive temperature characteristic resistor R 2 (#) which has a series spark-gap assembly S 4  bridged by a capacitor C and further spark-gap F c .
Patent GB-1260663-A (GB)
Title: Improvements in or relating to controlling metal refining processes
Inventor: WHETTON DAVID ARTHUR
IPC: C21C5/56
Filed: 1968-04-22
Abstract: 1,260,663. Measuring rate of flow. SPRAY STEELMAKING Ltd. April 22, 1969 [April 22, 1968], No.18973/68. Heading G1A. [Also in Division C7] In a process for controlling a metal refining process (see Division C7) the rate of flow of molten metal from tundish 3, Fig.1, is measured by emitting gamma radiation from source 18 through the metal stream 4a on to a radiation counter 19 the response of which varies inversely with the volume of metal flowing.
Patent GB-1431052-A (GB)
Title: Apparatus for a telephone image transmission system
IPC: H04N7/12
Filed: 1972-04-24
Abstract: 1431052 Television-telephone system RCA CORPORATION 18 April 1973 [24 April 1972] 19023/72 Heading H4F A television-telephone system of the type including a storage tube which is connected between a television camera and a telephone line when transmitting a television video signal representative of moving object images to a remote receiver, a 60 Hz vertical deflection signal being supplied for example to the camera, wherein for transmitting a video signal representative of stationary object images the storage tube is decoupled from between the camera and telephone line and a 7¢ or 15 Hz vertical deflection signal is supplied for example to the camera. The stored moving image video signal may be read out from the storage tube for transmission using a 7¢ or 15 Hz vertical deflection signal. The necessary 60 and 7¢ (or 15) Hz sawtooth voltage waveforms are provided by a resistance-capacitance time constant network (Fig. 2, not shown) control pulses for which are developed from a sync. generator by a logic circuit arrangement (Fig. 1, not shown). The transmitted video signals may be monitored.
Patent GB-1498162-A (GB)
Title: Method and apparatus for inserting post-stressing tendons in concrete structures
IPC: B28B23/04
Filed: 1975-05-06
Abstract: 1498162 Post-stressing concrete SOC TECHNIQUE POUR L'UTILISATION DE LA PRECONTRAINTE 5 May 1976 [6 May 1975] 19027/75 Heading EIW A post-stressing tendon is inserted into a duct in a concrete structure by feeding the strands of the tendon 2 from a coil 3 successively into parking ducts comprising tubes 10 via feeding device 4 and cutting device 7, bringing the free ends 8 of the strands together into a connector 21 and drawing the strands from the parking ducts into a duct in the concrete structure 24 by means of winch 25.
Patent GB-1039254-A (GB)
Title: Improvements in or relating to systems for optically reading stored information
IPC: G11C13/04
Filed: 1965-05-06
Abstract: 1,039,254. Read-only stores. INTERNATIONAL BUSINESS MACHINES CORPORATION. May 6, 1965 [May 25, 1964], No. 19136/65. Heading G4A. In a system for reading data from an optical storage element in which data is stored as lightreflecting layers at spacings corresponding to the recorded light frequency, linearly polarized light is passed in turn through a first beam splitter, a first quarter-wave plate, the storage element, a second quarter-wave plate and a second beam-splitter to a mirror which returns the light to the storage element, there being detector means adjacent each beam-splitter to detect any light coherently reflected from the layers of the storage element. The outputs of the two detectors are ANDed and EXCLUSIVEORed, thus providing a data signal, and an error indication if the outputs are not the same. Frequency and position controls for the readout light are provided.
Patent GB-845720-A (GB)
Title: Chemical plating bath
IPC: C23C18/36
Filed: 1957-06-18
Abstract: Cast-iron vessels used in handling corrosive chemicals are lined with nickel by chemical deposition from a bath containing a nickel salt, a hypophosphite, a buffer and an alkali metal or ammonium tetraborate. A cobalt salt is added to the bath if a nickel-cobalt lining is required.  The corrosion resistance of the lining is improved by heating at a temperature of 385 DEG -410 DEG C.  The handling of caustic soda and alkaline earth metal hydroxides and carbonates is referred to and, in particular, the dehydration of caustic potash. Specification 845,719 is referred to.ALSO:A chemical nickel coating bath contains a nickel salt, a hypophosphite, a buffer, and an alkali metal or ammonium tetraborate as accelerator.  A cobalt salt is added to the bath if a nickel-cobalt coating is required.  The nickel salt may be the chloride, sulphate or nitrate; the hypophosphite may be the sodium, potassium or ammonium salt; the buffer may be sodium citrate or potassium or sodium oxalate or succinate; the alkali metal tetraborate may be the sodium or potassium salt; and the cobalt salt may be the chloride, sulphate or nitrate.  The bath is used at a temperature of 80 DEG -100 DEG C. and at a pH of 3-9, the latter being controlled by the addition of sodium bicarbonate. The corrosion resistance of the coated article is improved by heating at a temperature of 385 DEG -410 DEG C.  Specifically disclosed is the coating of the interior of a cast-iron vessel used in handling corrosive chemicals.  Other metals which may be coated are chromium, cobalt, copper, manganese, titanium and vanadium. Specification 845,719 is referred to.
Patent GB-1466329-A (GB)
Title: Magnetic security document and method for making same
IPC: B44F1/12
Filed: 1974-05-01
Abstract: 1466329 Credit cards and the like MINNESOTA MINING & MFG CO 1 May 1974 [2 May 1973] 19188/74 Heading B6A [Also in Division G4] A security document such as a credit card or airline ticket has a magnetic layer 40 containing uniformly dispersed particles 30 of a magnetically anistropic magnetizable material arrangedwith the easy axis of magnetization of particles in predetermined regions 36 differently aligned relative to a reference location such as an edge of the document. The particles not within the predetermined regions may be unaligned or may be aligned in a direction different from the directions in the predetermined areas. The card may be formed by feeding sheet material from a roll 54 applying a layer of magnetic particles in a binder and solvents, applying a magnetic field to a stationary portion of the coated sheet using source 60 such as a permanent magnet to suitably align the particles and heating the sheet to immobilize the particles. A layer 70 carrying visible indicia is then attached using a suitable adhesive or heat fusing.
Patent GB-530743-A (GB)
Title: Improvements in and relating to bottle carriers
IPC: B65D71/62
Filed: 1939-07-01
Abstract: 530,743. Bottfle carriers. GILL, W. V., GILL, F. J., GILL, C. W., and GILL, A. R., (trading as GILL & SONS, J. W.), (Darragh, J. K.). July 1, 1939, No. 19191. [Class 18] In a bottle carrier of the kind made from a blank, and having a base f, sides c with openings n for receiving the bottle necks, and hand slots n, the sides have cut outs with tongues h, the tips of opposite tongues being connected together at s and the tongues being joined to the sides along inclined lines i The upper portion of one side has a flap q which may be passed through both slots n and turned up, and preferably has end ears t for holding it in place.
Patent GB-445819-A (GB)
Title: Driving mechanism for ring or flyer spinning and doubling machines with spindles driven by gear wheels
IPC: D01H1/20
Filed: 1935-07-05
Abstract: 445,819. Controlling change-speed gearing. KEYSER, J. J., 3, Schlossplatz, Aarau. Switzerland. July 5, 1935, No. 19273. [Class 80 (ii)] [See also Group IX] Change-speed gearing for use in spinning and doubling and like frames and comprising pairs of gears 11, 12 and 13, 14 splined on the motor shaft 3, is operated by crank-pins 35 carried by rotary discs 37 which are each provided with circular recesses 42, Fig. 2, so arranged that either disc can be operated only when the other is in the neutral position with its gears disengaged.
Patent GB-147581-A (GB)
Title: The production of yeast from peat
IPC: C12N1/22
Filed: 1920-07-08
Abstract: 147,581. Vasseux, A. E. Jan. 19, 1918, [Convention date]. Manures.-In preparing bakers' yeast, peat is mixed with beet or cane molasses, or with juices of beet, apples, pears, or artichokes, either in the cold or while heated. An acid wort is filtered from the mixture and is fermented during aeration. The residual peat may be used as manure.