baber/WOPTO huggingface dataset:
Patent GB-503106-A (GB)
Title: Improvements in electric discharge tubes
IPC: H01J29/80
Filed: 1937-10-29
Abstract: 503,106. Discharge apparatus. FARNSWORTH TELEVISION, Inc. Oct. 29, 1937, No. 29687. Convention date, Oct. 31, 1936. Drawings to Specification. [Class 39 (i)] An accelerating electrode for a cathode-ray tube or the foundation for a photo-electric cathode is made from an open-meshed looped or knitted fabric of the kind described in Specification 467,366. In the case of an accelerating electrode, the fabric is of a refractory metal wire such as molybdenum, tantalum, tungsten or nickel of very fine gauge, though metals of lower melting points may be used where the accelerating electrode is not subject to heavy electron bombardment. For the foundation of a photo-electric cathode, the fabric is made of silver wire oxidized and sensitized with caesium in the usual way. The wire fabric is mounted on a metal frame and may have an aperture to wire size ratio of between 5 and 100 to 1.
Patent GB-921783-A (GB)
Title: Improvements in cryogenic electronic devices
IPC: G11C11/44
Filed: 1959-08-31
Abstract: 921,783. Superconductive circuits. GENERAL ELECTRIC CO. Aug. 31, 1959 [Sept. 2, 1958], No. 29626/59. Class 40 (9). [Also in Group XXXVI] A cryogenic device is so constructed that the control circuit produces only a narrow area of normal material across the width of superconductive gate material. Fig. 1 shows a construction of cryogenic device consisting of a base 1 of sapphire, quartz, glass or aluminium with an insulating layer of Al 2 O 3  carrying a superconductive film 2 of tin having a narrow portion 3. The control circuit consists of a further film of superconductive material 4 at right angles to film 2 and insulated from it by a silicon monoxide film 5. Material 4 has a higher critical temperature and field than film 2; lead is suitable. In operation, a current source applied across terminals 10 produces a field greater than the critical field of material 2. A small area of the latter across the neck 3 reverts to normal resistance. The normal material is then propagated through strip 3 by the Joule heat produced by the gate current which raises the temperature of the strip above the critical temperature. The critical temperature of film 2 should be close to that of the temperature of liquid between at atmospheric pressure so that the vacuum arrangements necessary are very simple. Dimensions of the device are: width of portion 3, 1-4 mms., tin thickness, .1 to 1 micron, length of portion 3, 1-10 mms. The thickness of film 4 may be of the order of thickness of film 2 and the width <SP>1</SP>/ 10  to <SP>1</SP>/ 1000  of the length of the narrow portion of film 2. Film 4 need not be superconductive. It may be an ordinary conductor or even have a high resistance so that the heat produced in it assists the action of the magnetic field. Alternatively, the reversion of the narrow band to normal may be effected by heat alone. Film 4 may not be insulated from film 2 and may merely be a continuation of it. Circuit (Fig. 6).-Superconductive film 2 short-circuits the supply from pulse source 32 feeding load 34. When a switching pulse is also applied from source 35 the film 2 becomes resistive and current passes through the load. The film then begins to cool. Provided the pulses from source 32 are not longer than the time taken for the material to become superconductive again the reversion of the material to the superconductive state does not affect the load current.
Patent GB-296550-A (GB)
Abstract: 296,550. Wagner, J. Aug. 29, 1927. Cleansing-compositions for firearms comprise esters of oxy-fatty acids capable of removing lead and lead oxide fouling. In an example, 3.5 lb. of lactic acid ethyl ester or glycollic acid ethyl ester is mixed with 81.5 lb. of mineral oil, and 15 1b, of alkali-oleic acid soap containing alcohol. The prior use of cleansers comprising salts of oxy-fatty acids, and of mineral, animal, or vegetable oils or fats alone or in combination with alkali soaps of oleic, naphthenic, or oxyfatty acid, and with or without alcohols, is referred to.
Patent GB-422727-A (GB)
Title: Improvements in holders for stair carpets
IPC: A47G27/06
Filed: 1933-10-26
Abstract: 422,727. Stair-carpet holders. SMITH, H. F., Beacon Works, Hampton Street, Birmingham. Oct. 26, 1933, No. 29673. [Class 52 (v)] Stair-carpet holders of the U-shaped type have the edge portions 12 of the slide arm 7 adjacent its connection to the holder arm 9 which engages the carpet so formed as to enable such edge portions to be engaged with the guides 2 on the attachment plate 1 so that the holder can be slidden on the attachment plate in a direction outwardly of the carpet, stop means being provided for limiting such outward movement. The stop means may comprise projections 10 at each edge of the slide arm adapted to contact with the ends of the guides 2. As shown, the projections 10 are situated near the middle of the slide arm so that the arm may be slidden into position either towards or away from the centre of the carpet. Fig. 6 shows stops 25 formed by bending inwardly parts of channels 21 formed on the rear of the slide arm 19 and adapted to engage channels 23 of an attachment bracket 22, Fig. 7. The stops may be provided on the attachment plate. The free end of the slide arm 7 is curved or corrugated at 14 to engage resiliently the riser or stair.
Patent GB-1074123-A (GB)
Title: Improvements relating to insulating/conductive composite refractory bodies
Inventor: SCOTT WILLIAM JOSEPH
IPC: B22F7/06
Filed: 1963-07-26
Abstract: A composite refractory comprises an electrically insulating part and a conductive part of particles having a core of either an insulating or poorly conductive refractory material with a conductive coating, the particles in each part being compacted and sintered and/or fused together.  They can be hot pressed.  One part can surround the other; the conductive part can be a rod projecting through an insulating plate; or the conductive part can frame the insulating part and together form a window for the passage of electro-magnetic radiation. Berrylia and alumina are specified insulators whilst conductors are cores of these oxides with a coating of tungsten or molybdenum.
Patent GB-1512055-A (GB)
Title: Yarn wound package provided with a transfer tail wind and method and apparatus for forming the transfer tail wind
IPC: D01H1/38
Filed: 1975-07-16
Abstract: 1512055 Winding transfer tails TEIJIN Ltd 16 July 1975 [25 July 1975] 29835/75 Headings DID and D1J A transfer tail 5, Fig. 1, is wound on a bobbin such that at least one turn has a V-shaped path the base of which is directed towards the normal winding area of the bobbin, the V-shape being overlapped by at least one additional turn of the transfer tail. Fig. 6 shows a winding spindle 11, 13, 16 driven by a belt 19. On the part 13 is a waste spool 30 and above the waste spool 30 is a bobbin 3. At the start of a winding operation a yarn traversing mechanism reciprocates the yarn back and forth between the flanges 31 of the waste spool 30 until all the waste yarn has been taken up. The traverse means then raises the yarn upwardly beyond the spool 30 and onto the bobbin 3. At the instant that the yarn moves beyond the upper flange 31 of the waste spool 30 the turns of yarn that are laid on the curved surface 20 of a guide member 21 ride upwardly on the curved surface 20 and onto the bobbin 3 to be covered by succeeding turns that also ride up on the curved surface 20. In this manner a transfer tail is wound that contains several turns overlapped by other turns. The remainder of the winding is wound with the traverse means reciprocating back and forth along the package receiving length of the bobbin 3. When the package is complete the yarn is cut between the waste spool 30 and the transfer winding at the lower end of the bobbin 3. In Fig. 6 the guide member 21 is rockable about a pivot 25. When the bobbin 3 is absent, a spring 34 rocks the tip 22 of the guide member 21 anti-clockwise. When a bobbin 3 is pushed into position it engages a flat surface 23 of the guide member 21 and rocks it clockwise so that the tip 22 engages the bobbin 3. This prevents any turns of the transfer winding from slipping down between the guide member 21 and the bobbin 3.  In a modified embodiment, Fig. 8 (not shown), the spring 34 of Fig. 6 is absent and, instead, the guide member 21 has a weighted end that depends downwardly into the opening in the part 13. When the spindle is rotated, centrifugal force on the weight causes the tip 22 of the guide member 21 to be biassed towards the bobbin 3. As shown in Fig. 7 the upper flange 31 of the waste spool 30 may have a cut-out 33 which is preferably so arranged that, in the driving condition, the guide member 20, 21 is angularly offset from the position of the cutout at an angle # in the range of from 10 degrees to 45 degrees. Fig. 9 (not shown) differs from Fig. 7 in that the guide member 21, (29) is fixedly mounted on the upper flange 31 of the waste spool. Fig. 10 (not shown) differs from Fig. 9 in that the guide member 21, (29) is part of a ring (44) which is mounted on the wind-up spindle just above the waste spool 30. Each winding of the transfer tail wind portion that is formed in a superimposed condition may have its superimposed portion extending less than #th of the circumferential length of the bobbin.
Patent GB-817655-A (GB)
Title: Inching control for torque transmission for industrial trucks
IPC: B66F9/075
Filed: 1957-09-24
Abstract: 817,655. Controlling vehicles. YALE & TOWNE MANUFACTURING CO. Sept. 24, 1957 [Oct. 22, 1956], No. 29924/57. Class 79(5) [Also in Group XXXIV] In an industrial truck, if it is desired to operate members, such as lift or tilt ,arms, as indicated schematically at 17 and 18, quickly, while the truck is being being moved slowly, the engine 10 is run at high speed and a brake pedal 30 is used, which applies the brake through master cylinder 24 and lines 25, and simultaneously acting through transmission valve 20, releases one or the other of forward or reverse clutches 22 and 23. If, therefore, the vehicle is braked on an incline, due to clutches 22 or 23, being wholly or partly released, a heavy load is put upon the wheel brakes. To avoid this condition, a second brake pedal 26 is provided which is moved by pedal 30 through plate 32 to operate the master, cylinder 24, but may if necessary be operated independently.
Patent GB-1396111-A (GB)
Title: Strip structures
IPC: B29C48/305
Filed: 1972-06-27
Abstract: 1396111 Trimstrip STANDARD PRODUCTS CO 27 June 1972 [22 June 1971] 29964/72 Heading B6G A trimstrip comprises as shown in Fig. 1 an elongated body portion 12 and a projection 30 of plastics material for interengagement with a complementary recess in an underlying support, the projection including a laterally extending portion 32 spaced from and interconnected with the inner surface 16 of the body portion by a laterally narrower connecting portion 34, the plastics material of at least the laterally extending portion of the projection having a Durometer hardness greater than that of the plastics material of the body portion. Preferably the body portion and connecting portion are integral and the laterally extending portion is a separate component joined to the connecting portion, e.g. by heat sealing. Preferably a stabilizing means, e.g. wire strand 28 is embedded in the body portion to prevent longitudinal movement as a result of longitudinal shrinkage of the plastics material of the body portion. The outer surface of the body portion may be decorated by a thin transparent film 18 of polyvinyl terephthalate having metallized coating 20. The metallized film may be applied to the outer surface by adhesive bonding or heat sealing. Alternatively the outer surface may be decorated with a layer of metal foil or a preprinted film, e.g. having a wood grained appearance. As shown in Fig. 2 the support 50 includes recess 52 having a cross-sectional contour corresponding to that of the projection 30 of the trimstrip. The support may be rubber and is preferably a rubber gasket adapted to be associated with a window opening such as a window opening in a motor vehicle. The assembly may be bent or flexed or alternatively the support may be pre-formed and the trimstrip bent to conform to the countour of the support and then interengaged therewith. Alternatively the projection 30 can be progressively introduced into the recess 52 of a pre-contoured support and the trimstrip progressively contoured to correspond therewith as interengagement therebetween is achieved. Interengagement between the trimstrip and the support may be achieved by introducing the projection 30 through the entrance of the recess 52 or by introducing the projection longitudinally into the recess 52 and sliding the trimstrip longitudinally relative to the support.
Patent GB-535747-A (GB)
Title: Improvements in centrifugal pumps
IPC: F04D29/42
Filed: 1939-11-15
Abstract: 535,747. Centrifugal pumps. WARMAN, C. H. Nov. 15. 1939, No. 30094. Convention date, Jan. 10. [Class 110 (i)] In a centrifugal pump, the intake 24 and the pump chamber are lined with renewable resilient material 14, 18, and a subsidiary impeller 27, is provided in a chamber round the main impeller shaft 12 to prevent leakage between the liner 14 and the impeller, boss. A sealing disc 28 of an elastic material prevents leakage along the shaft and is forced inwards by spring 30 and collar 29 against an annular flange on the impeller 27, except when the shaft is rotating. Lateral vanes 21 on the impeller 19 prevent leakage back to the intake.
Patent GB-465127-A (GB)
Title: Improvements relating to the testing of electric circuits
IPC: G01R31/333
Filed: 1935-10-31
Abstract: 465,127. Current and pressure meters. BRITISH THOMSON - HOUSTON CO., Ltd., TRENCHAM, H., and WILKINSON, K. J. R. Oct. 31, 1935, Nos. 30124 and 32336. [Class 37] Circuit conditions, particularly the re-striking voltage of a circuit-breaker, are determined by injecting into the circuit recurrent surge currents at the source of energy, for example, an alternator or across the open terminals of a circuit-breaker, the resulting voltage surges being measured on a cathode ray oscillograph. The surge currents may be produced by triggering a grid controlled arc discharge device at the desired section of a sine wave current applied to a mutual inductance. Where the surge currents are injected at a point away from the circuit-breaker, a half-wave rectifier is connected across the open breaker terminals. The Figure shows a transformer with three secondary windings 8 .. 10, the winding 8 being connected to the scanning coil 13 on the time base circuit. The winding 9 has a shunt resistance 15 .. 17 with tappings to the cathode and anode and accelerator electrodes. The winding 10 feeds the discharge tube 19 through resistance and capacitance connections, the output being connected to the circuit-breaker 1 and deflecting plates of the oscillograph.
Patent GB-1209722-A (GB)
Title: Infrared rear-view mirror unit for a motor vehicle
IPC: B60R1/062
Filed: 1969-06-13
Abstract: 1,209,722. Vehicle rear view mirrors. S.I.L.A. SOC. INDUSTRIALE LAVORAZIONE ACCIAI S.r.l. 13 June, 1969 [19 June, 1968], No. 30186/69. Heading B7J. A remotely controlled rear-view vehicle mirror unit comprises a mirror element 1 mounted on a bracket 5 for swivelling movement on a swivel joint 3, 4 simultaneously about a horizontal and a vertical axis, the mirror element 1 having a support 2 and rod 7 fast with the support 2, the rod 7 engaging in a generally spiral groove 11 formed in a face of a plate 12 and the rod 7 being movable in the groove 11 to vary the angular setting of the mirror -element 1. The movement of the rod 7 in the groove 11 is by means of a crank member 13 which engages the rod 7 and whose axis of rotation passes through the centre of the groove 11 and the unit includes control means to rotate the crank member 13, which control means include an operating member in the form of a knob 17 supported, in use, in the interior of the vehicle and operable by the driver. As shown, the crank member 13 is in the form of an elongated arm with an elongated slot 13a extending radially of the plate 12 in which slot 13a the rod 7 is located and the crank member 13 is mounted on a rotory shaft 14 the axis of rotation of which is coaxial with the central axis of the groove 11. The control means may include a flexible torque transmitting element 16 connected between-the shaft 14 and the knob 17; alternatively the control means may comprise an electric-motor M drivingly connected to the shaft 14 through a reducing gear 6. In the embodiment of Fig. 1 the face of the plate 12 is in the form of a partspherical surface but in the embodiment of Fig. 3 (not shown), this face is planar. Further in Fig. 3 the crank member (13) is in the form of a disc with a radially extending slot (13a) and the rod (7) is telescopic.
Patent GB-427804-A (GB)
Title: Process for the manufacture of stabilised chlorinated rubber
IPC: C08C19/14
Filed: 1933-10-31
Abstract: Stable chlorinated rubber is obtained by precipitation from an organic solution at a temperature insufficient to evaporate the solvent, in an organic precipitating bath containing an alkaline substance in sufficient quantity to produce a pH value of 11 or more. According to an example, 25 parts of light cr<\>zepe in 800 parts of carbon tetrachloride are chlorinated at room temperature, boiled for 6 hours to distil off 240 parts of carbon tetrachloride and remove any free hydrochloric acid, and precipitated in 560 parts of methanol to which 50 parts of a 20 per cent methyl-alcoholic caustic potash solution have been added. After stirring for 15 hours, the precipitate is filtered by suction, washed, and dried.
Patent GB-761020-A (GB)
Title: Improvements relating to internal-combustion engine cylinder-head seals
IPC: F02F11/00
Filed: 1954-10-20
Abstract: 761,020. Cylinders; combustion chambers. DAIMLER-BENZ AKT.-GES. Oct. 20, 1954 [Oct. 24, 1953], No. 30254/54. Classes 7 (2) and 7 (3). A liner 18 has a collar 17, with a joint surface 10a, and a projection 20 shielding the flat cylinder-head joint gasket 12 from combustion gases. The gap between the projection 20 and cylinder-head may be about 0.2 mm. In a diesel engine, a precombustion chamber 13 has outlets 14 to an annular piston-head depression 16.
Patent GB-746281-A (GB)
Title: Improvements in or relating to flame-proof electrical apparatus
Inventor: MARSH JOSEPH BENJAMIN
IPC: H01H9/04
Filed: 1952-11-29
Abstract: 746,281. Fluid actuation of switches. NATIONAL RESEARCH DEVELOPMENT 'CORPORATION. Nov. 30, 1953 [Nov. 29, 1952], No. 30299/52. Class 38(5) [Also in Group XXI] Une form of switch comprises contacts 7a, 7b, Fig. 2, carried respectively by the stem 13 of a piston 11 and a cylinder 9 in which the piston is movable against a spring 14 by gas pressure applied to the right hand end of the cylinder. The rate of movement of the piston is controlled by a needle valve 16. Another form of switch comprises contacts 47, S1, Fig. 4, mounted respectively on a bellows 39 and a casing 38, the bellows being closed against a spring 42 when gas is supplied through a pipe 34. The rate of movement is determined by a needle valve 40. A further form of switch S2; Fig. 5, comprises a bellows 48 open to atmosphere by pipes 49 and closed by surrounding gas - pressure.
Patent GB-1536735-A (GB)
Title: Magneto resistive head assembly for reading magnetically recorded information
IPC: G11B5/596
Filed: 1976-07-22
Abstract: 1536735 Magnetoresistive heads INTERNATIONAL BUSINESS MACHINES CORP 22 July 1976 [14 Aug 1975] 30563/76 Heading G5R [Also in Division H3]  A magnetoresistive head assembly for reading a magnetic recording medium, such as a disc, tape or magnetic bubble structure, comprises two magnetostatically coupled magnetoresistive elements MR1, MR2 with respective conductors C1A, C1B and C2A, C2B, a sensing section of each element MR1, MR2 being defined between facing edges of its conductors, the sensing sections being offset from one another in the width direction of a track to be read with the sensing section defining edges of the two adjacent conductors C1B, C2B being aligned on a dividing line defining a boundary on the medium between magnetic flux transistions to be sensed by one element and those to be sensed by the other element, and means to apply current through each sensing section via the corresponding conductors, the current in each sensing section inducing a magnetic field in an adjacent bias section of the other element, which field induces a magnetic back bias for the sensing section of the inducing element. As shown there are only two elements MR1, MR2, other embodiments (not shown) may, however have three or four MR elements acting to bias one another with each sensing its share of the track, or with the sensing section of the centre MR element or elements reading data and those of the outer two used to provide servo information. The heads are produced by vapour deposition, electroplating and photolithography, the MR elements of 200 to 600 Angstrom thick Permalloy having 1500 Angstrom thick gold or copper conductors, being separated from one another and surrounded by electrical insulation (18), (16), Fig. 1, (not shown), of silicon dioxide, silicon monoxide or aluminium oxide, permalloy or ferrite magnetic shields (20), (22) also being provided. Servo arrangements. The head assembly can be used to provide a servo signal from recorded data or servo information or from a dual layer record with data in one layer and servo information in the second. A voice-coil actuator (30), Fig. 4 (not shown), can be used to position the head with the dividing line (dotted line, Fig. 2) between sensing sections aligned on the track edge or centre, actuator (30) receiving an input from a coarse position control (32) and a fine position input from a phase and amplitude detector (42) receiving servo signals from a difference amplifier (34) connected to two MR elements of the head, which elements are also connected to a sum amplifier (36) to retrieve data.
Patent GB-868543-A (GB)
Title: Fluid flow control devices
IPC: F16K1/14
Filed: 1957-10-30
Abstract: 868,543. Regulating fluid flow; valves. GRIDLEY, S. W. Jan. 29, 1959 [Oct. 30, 1957], No.30566/57. Class 135. [Also in Group X] A ventilation grille comprises a plate 10 provided with twenty-four regularly-spaced orifices 11, the edges of which are belled outwards as shown, and an assembly of twenty-four flow control bodies 13 mounted on a grid 14. The grid has secured to it a cross-member 16 having a threaded central hole through which passes an adjusting-screw 17 for moving the grid towards and away from the plate 10 to regulate the flow through the ventilator. The flow control bodies may consist of rubber balls. In another embodiment the flow control bodies are impaled on rods secured to the grid and are held in position by friction so that they can be individually adjusted. In this embodiment the grid may be fixed or alternately may be adjustable in addition to the individual adjustment of each flow control body. The orifice plate 10 is reversible so that the device can be adapted to suit flow in either direction. Other streamlined bodies may be substituted for the balls shown. The invention may also be applied as a throttling device within a duct. Where a predetermined degree of throttling or flow control is required the provision for adjustment is omitted.