baber/WOPTO huggingface dataset:
Patent GB-1353640-A (GB)
Title: Motor vehicle fuel systems
IPC: F02M25/08
Filed: 1971-07-14
Abstract: 1353640 Venting fuel tanks; filling tanks SAAB-SCANIA AB 14 July 1971 [3 Aug 1970] 32979/71 Headings B8X and B8T [Also in Divisions B1 and F2] To prevent discharge of fuel vapours from a vehicle fuel tank 1 to atmosphere, a vent line 4 leads from the tank to the upper end of the tank filler pipe 2, a valve, Fig. 5 (not shown), is spring-urged to close the upper end of line 4 but is opened by the filler cap 3 when the latter is secured on the end of pipe 2, and a vent line 5 leads from the upper end of pipe 2 via the highest part of the vehicle (thereby preventing the passage of liquid fuel) to an inlet 27 of a filter 6. When the engine is not running, fuel vapours are retained in filter element 23, which may be of active carbon, and cleaned air is discharged through perforations 20. When the engine is started, air is drawn through perforations 20, air filter element 21 and element 23 to entrain fuel accumulated in element 23 and pass it via outlet 28 to the engine air intake system. During filling of the tank, the upper end of vent line 4 is closed by the valve (the cap 3 having been removed) and air is discharged from the tank through a pipe 8 until the fuel level reaches the open lower end of the pipe. The fuel level then rises in the filler tube 2. On completion of filling, cap 3 is replaced to open the valve and the air trapped above the level of the lower open end of pipe 8 is vented through lines 4, 5. Dimensions are such that the volume of air trapped is substantially equal to the volume of the portion of the filler tube above the tank.
Patent GB-842625-A (GB)
Title: Improvements relating to suction cleaners
IPC: A47L9/00
Filed: 1956-10-30
Abstract: 842,625. Suction cleaners. HOOVER Ltd. Oct. 30, 1956 [Nov. 10, 1955], No. 33145/56. Class 8(1). A trolley to facilitate moving a suction cleaner of the type having a cleaning tool connected through a rigid suction tube and a hose to a casing containing a filter and a motor fan unit, comprises a body 40 with base 41 which has downward turned ends to receive a shaft 43 carrying a pair of wheels 44. A pair of hooked lugs 45 project from the base ; each lug carries a boss. Between the lugs 45 is provided a sloping arm 49 carrying resilient pad 50. A plate is riveted to the base and curves down to terminate in a resilient hook 59. The rear wall 52 with stiffening flanges 53, terminates at its upper end in a locking tongue 54, provided along one surface with a wedge shaped flexible liner 55. Tongues 56 and 60 are bent out and upturned, to form hook 57 and pocket. The spherical casing 11 is raised from the cleaner base, and the trolley inserted so that its base 41 is placed on annular ridge 26 with resilient pad 50 bearing against sloping wall 25. The bosses on lugs 45 engage two of the openings 32 between the hinge and latch members connecting the spherical casing to the cleaner base, the resilient hook 59 engages under the flange 28 to lock the trolley in place, the wheels 44 are then spaced just above the floor. When the casing is replaced on the base, flange 20 provided on the lower half of the casing engages hook 57 and locks the upper portion of the trolley to the casing. The supply cable may be wound into a coil and placed into the pocket. The cleaning tool is provided with an adaptor 73 which is formed with a downwardly opening pocket 75, the mouth 76 being shaped to conform to the locking tongue 54. The wand 15 may be used as a handle to tilt the cleaner backwards until it is supported on wheels 44, to enable it to be wheeled about.
Patent GB-322622-A (GB)
Title: Improvements in and relating to loud speakers
IPC: H04R9/04
Filed: 1928-11-13
Abstract: 322,622. Rothermel, R. A. Nov. 13, 1928. Magnetic instruments.-In a moving coil loud-speaker, the vibratory system is provided with a centring arrangement comprising two supports c, d one on each side of the moving coil b. The inner support d comprises a concentric ring fixed at its outer rim to the casing of the instrument.
Patent GB-734175-A (GB)
Title: Animal scaring device
IPC: A01M29/20
Filed: 1953-12-01
Abstract: 734,175. Signal guns and detonator apparatus. VERGAUWE, N. Dec. 1, 1953 [July 24, 1953], No. 33361/53. Class 118 (2). A repetitive detonation scarer for the protection of crops from the depredations of birds and animals comprises a source of gas under pressure which operates on a piston or valve member to cause periodical release of a quantity of gas into an explosion chamber, ignition means to fire the charge in the chamber being operated by change in gas piessure. Acetylene is generated in container 1 and passes through a hole 6 into a compartment 5 closed by a flexible diaphragm 7 carrying a part 8 of a release valve 12. Part 8 is attached to a casing 9 which is slidable in a fixed guide 10 and itself forms a guide for a hollow central rod 11 pressing at its lower end on valve 12. As gas pressure is built up in the compartment 5, the diaphragm 7 and the part 8 move upwardly against spring 26 and the upper end of part 8 engages a roller 16 carried on a lever 17 pivoted at 18. Lever 17 has a spring 21 attached so as to produce an over-centre or toggle action of lever 17 which causes it to snap upwards as soon as it has passed its neutral position in which the lever and spring are in alignment. This allows rod 11 to open valve 12 and the gas from compartment 5 flows via the hollow rod 11 and a flexible pipe 23 into a combustion chamber 25. The consequent release of pressure from compartment 5 allows the diaphragm 7 to return bring- ing with it the casing 9 and rod 11. Anadjustable termination 13 on the rod 11 bears on roller 16 and moves lever 17 downwards. When lever 17 snaps over its neutral position the linkage 19, 27 causes a friction wheel 28 to produce a spark from flint 29 and the explosive gas mixture in chamber 25 is ignited. The chamber 25 extends conically and the device may be provided with supporting legs and a handle (Figs. 2 and 3, not shown). The device may be used to propel a body with or without cable guiding means (Fig. 4, not shown), or for projection of rockets or other signalling devices. The generator 1 may be replaced by bottles of compressed or dissolved gas.
Patent GB-912997-A (GB)
Title: Improvements in standards for hand rails and the like
Inventor: STEVENS ALFRED JAMES
IPC: B63B17/04
Filed: 1960-09-29
Abstract: 912,997. Hand-rail standards. STEVENS BROS. (WELDERS) Ltd. Sept. 5, 1961 [Sept. 29, 1960], No. 33457/60. Class 45. A hand rail standard comprises a tubular shank 1 having fixed thereto a base plate 3 and a separate hollow bulb 4 formed with a diametral passage. At least one other bulb 6 may be incorporated in the shank. The hollow bulbs may be formed from sheet material cupped and bent into the shape of a spheriod or may be formed in two halves. Conveniently the bulbs present either a spigot or two coaxial spigots which may be of a diameter to abut the end of the shank or may be arranged to fit within or over the end of the shank to which they may be welded. In another embodiment the diametral passage is in the form of an elongated slot and the bulb encloses a hollow ball formed with a diametral passage of circular cross-section. The balls rotate within the bulbs to suit the angle of the hand rail.
Patent GB-506759-A (GB)
Title: Manufacture of shaped artificial sponge masses from viscose
IPC: B29C44/00
Filed: 1937-12-03
Abstract: 506,759. Artificial sponges from viscose. I. G. FARBENINDUSTRIE AKT.-GES. Dec. 3, 1937, No. 33517. Convention date, Dec. 15, 1936. Addition to 379,235. [Class 2 (ii)] The process described in the parent Specification for making sponge material from viscose is modified by coagulating the viscose mass, pressed into the tubular mould, whilst maintaining the pressure in the mould. During the operation of filling the mould one end may be closed by a plate containing only a small hole through which imprisoned air can escape. The other end of the mould is closed by a plate whilst the mass introduced into it is under pressure. The closed mould containing the viscose mass under several atmospheres pressure is then exposed to such a temperature that it coagulates. The mould may be introduced into a vessel supplied with steam under raised pressure or with heated air, or it may be immersed in a liquid such as hot or boiling water, salt solution, or oil. When coagulation is finished, the mould is opened and the crude sponge product is removed, freed from the pore-forming salts, desulphurized, bleached, and cut into pieces by cutting in a direction perpendicular to its longitudinal axis. If desired it may also be sub-divided longitudinally. To ensure complete decomposition of the viscose in the interior of the mass, it may be treated, subsequently to the heat treatment, with a neutral or acid solution of the ppreforming salt preferably at raised temperature.
Patent GB-475081-A (GB)
Title: Process of producing building and like materials
IPC: C04B28/26
Filed: 1936-12-07
Abstract: Building-materials are produced from paper material such as paper waste, cardboard or newspapers by washing and pulping the paper material, adding to the pulp a solution of formaldehyde and then water glass and Portland cement, moulding the mix, leaving the moulded articles to harden for some days to acquire suitable rigidity, washing them in water and finally drying.  It is stated that the formaldehyde is added to the mix so that it will cease working and remain volumetrically stable.
Patent GB-1100365-A (GB)
Title: Tester for air filters
Inventor: YAMADA TOYOO
IPC: F02M35/02
Filed: 1966-07-26
Abstract: 1,100,365. Testing of air filters. YAMADA YUKI SEIZO KABUSHIKI KAISHA. 26 July, 1966, No. 33553/66. Heading BIT. [Also in Division G1] An air filter C of annular form, e.g. for a carburetter intake, is tested by drawing air through it by a pneumatically driven fan 6 and measuring the volumetric flow rate of the air by its movement of a pivotally mounted baffle (16) against a spring (13). The filter is placed on a foam rubber pad 29 and its upper opening is closed by a cover 31, 32. Compressed air is delivered from inlet 19 through an adjustable pressure-reducing valve 21 to a jet 23 and impinges on a fan 7 below casing 1 to drive fan 6 through their common shaft (8). Fan 6 draws air through the filter and apertures 3, 28 and delivers it to a generally circumferential chamber A, in which baffle (16) is mounted on a rod 15 to rotate round vertical shaft 12, and rod 15 carries a pointer 17 which is visible behind a window 18. The degree of clogging of the filter determines the air flow rate therethrough and hence the equilibrium position to which baffle (16) is moved against spring 13 (Fig. 1, not shown).
Patent GB-1138030-A (GB)
Title: Improvements in or relating to electric amplifier arrangements
Inventor: MCCALL DEREK
IPC: H02K23/20
Filed: 1966-07-26
Abstract: 1,138,030. Existing dynamo-electric machines: control of D.C. motors. GENERAL ELECTRIC CO. Ltd. 26 Oct., 1967 [26 July, 1966], No. 33667/66. Headings H2A and H2J. A rotary amplifier, e.g. a metadyne, has a differential input winding to which is applied two pulse trains at least one of which has the pulse width dependent on the value of an input signal, which pulses are substantially rectangular and of equal repetition frequency. The metadyne 6 has a centre-tapped variator winding 5 with the respective halves connected to trigger circuits 1, 2 through amplifiers 3, 4. One input of the trigger circuits receives a sawtooth waveform from integrators 7, 5 which are supplied with rectangular pulses from multivibrator 9. The other input is supplied with a control signal from differential D.C. amplifier 10. The trigger circuits switch to one stable state when the input voltage exceeds a level set by the value of the control signal and revert to the other stable state when the input voltage falls below this value. The output pulses from trigger circuit 1 are in antiphase with the output of trigger circuit 2 so that for one value of control signal the pulse lengths will be equal and no resultant current will flow in variator winding 5. At other values the pulse lengths differ to give a current in the correct direction in winding 5. The arrangement uses transistors throughout.
Patent GB-414264-A (GB)
Title: Improvements in railroad rails and the like
IPC: C22C38/12
Filed: 1933-12-01
Abstract: Railway rails are made from steel alloys containing 0,05-2 per cent of molybdenum, with or without up to 3 per cent of nickel, or up to 1 per cent of chromium, or both.  The alloys may be made in an open hearth or electric furnace.
Patent GB-810084-A (GB)
Title: Quench nozzle for fluid coker reactor vapors
IPC: B01J8/28
Filed: 1956-11-06
Abstract: In apparatus for cracking heavy hydrocarbon oils wherein the oil is contacted with a fluidized bed 12 of hot inert solid particles, such as coke, the vapours so formed are freed from entrained particles in cyclones 3 and are then rapidly quenched with cool heavy oil, the vapours being introduced into the quench section through one or more vertical thermally-insulated conduits, each of which terminates in an inclined nozzle 4 <PICT:0810084/III/1> having a vapour-passageway with an area of 15 to 40 per cent of the area of the vapourpassageway of the conduit, and designed to discharge the vapours into the quench section at an angle of 20 to 60 degrees from the horizontal and at a velocity in the range of 100 to 250 feet per second, whereby the deposition of coke in the nozzle is obviated.  In a preferred design, the discharge end of the nozzle terminates in a planar surface (Fig. 2) that slants downwardly (angle B) more than 3 degrees from the vertical; this prevents liquid from falling into the nozzle at low reactor feed rates.  The walls of the vertical conduit 40 may be heated by steamcoils 41, besides being heat-insulated.  The feed, a residual petroleum oil, is preheated to about 600-800 DEG  F. and is introduced through line 1 into the fluidized bed 12 which is maintained at a temperature of 900-1100 DEG  F.  The cracked vapours, discharged from the nozzle 4, are quenched to a temperature of 600 DEG  to 900 DEG  F. by a cool stream of oil.  The quench oil and the condensed heavy ends collect in reservoir 20. A portion of this oil is cooled in heatexchanger 23; and the cool oil is sprayed via line 24 into the lower part of the quenching section and via line 25 on to the contacting means 7 in the upper part of the section.  The remainder of the oil withdrawn from reservoir 20 is passed through line 26 to the fluidized bed. Intermediate fractions are condensed from the scrubbed vapours in the fractionating section which is mounted above the scrubbing section.  Heavy gas oil is withdrawn by line 27; and light gas oil is withdrawn by line 28.  Naphtha and lighter products are withdrawn from the top of the fractionating section.
Patent GB-756309-A (GB)
Title: A derivative of iminodibenzyl and processes for the production thereof
Filed: 1954-11-23
Abstract: The invention comprises N-carbamyl-iminobenzyl of formula <FORM:0756309/IV(a)/1> and the preparation thereof by reacting phosgene at an elevated temperature with iminodibenzyl and reacting the N-chlorocarbonyliminodibenzyl so obtained with ammonia at an elevated temperature.  The reactions are preferably conducted in inert organic solvents, e.g. toluene and alcohol respectively.
Patent GB-754921-A (GB)
Title: Improvements in or relating to apparatus for testing a magnetic recording medium
IPC: G11B5/64
Filed: 1954-11-23
Abstract: 754,921. Electric tests. REYNOLDS, D. K. Nov. 23, 1954 [Nov. 23, 1953], No. 33889/54. Class 37. Apparatus for testing a magnetic recording tape which has a plurality of data recording tracks comprises a plurality of magnetic heads, one for each track, whereby a series of pulses is simultaneously impressed along each track, and when played back, the pulses are fed to coincident circuits, which, when the pulses are not reproduced simultaneously, cause a further head to be energized to mark the position of the faulty section along the edge of the tape. As shown for a magnetic tape 10 (Fig. 1), with four recording channels, three data recording heads 12, 14, 16 are fed with pulses which are reproduced in the heads on play back and are individually amplified at 22, 24, 26, and clipped at 32, 34, 36 before being applied to flip-flop circuits 42, 44, 46 to change their conditions and send a data pulse through each of the cathode followers 52, 54, 56 to gating circuits 58 and 60. The gate 58 passes on each data pulse received through an adjustable time delay circuit 68 to a pulse generator 70 which sends a sampling pulse to a further gate 72. If the gate 60 receives all three data pulses simultaneously it also sends an impulse into gate 72 which blocks the sampling pulse from the generator 70. If, however, one of the three data pulses is missing the gate 72 passes on the sampling pulse from generator 70 to a counter 84 and also to a further recording head 18 which marks the position of a fault on the tape 10. The flip-flop circuits 42, 44, 46 are reset by the pulses from a further generator 80 fed by the sampling pulse generator 70.
Patent GB-834101-A (GB)
Title: Magnetic record carriers
IPC: G11B5/702
Filed: 1957-10-30
Abstract: 834,101. Magnetic structures. AGFA A.G. Oct. 30, 1957 [Nov. 3, 1956], No. 33897/57. Class 38 (2). A magnetic record carrier comprises a non- magnetic support to which is firmly bonded a coating of magnetic powder dispersed in a non-' magnetic film-forming binding agent, wherein the non-magnetic support and/or the magnetic coating comprises a thermoplastic high molecular weight polycarbonate derived from a di- (monohydroxyaryl)-alkane. Details of the formation of suitable polycarbonates are given, Specifications 772,627 and 808,485 being referred to. Foils may be cast from polycarbonate in solution on a band or drum, or processed from a polycarbonate melt. The magnetic layer may consist of powdered magnetic material such as iron, XFe 2 O 3  and/or Fe 3 O 4  where part of the Fe may be replaced by Co, Mn, or Cu, mixed preferably in proportions between 5: 1 and 1 : 1 with a binder which may be a polycarbonate or other film-forming plastic. When the binder is a polycarbonate the supporting film may be of another plastic. The magnetic layer may be applied to the supporting foil by casting or dipping by cathodic atomization or vaporization under high vacuum or it may be cast first and the supporting layer cast on it.
Patent GB-997321-A (GB)
Title: New polymeric compositions
Inventor: TESTER DONALD ALBERT
IPC: C08F20/62
Filed: 1962-09-05
Abstract: A copolymer is derived from styrene or mixtures of styrene with minor proportions of nonacidic monoethylenically unsaturated polymerizable compounds, 10 to 25% of butadiene, and from 0.5 to 5% of an acidic component, the acidic component being selected from the class consisting of ethylenically unsaturated mono- and dicarboxylic acids and the monoesters of ethylenically unsaturated dicarboxylic acids. The styrene may be mixed with up to 15% of methyl methacrylate or of alpha-methyl styrene, while methacrylic, acrylic, itaconic, maleic and cinnamic acids and the monoesters of itaconic, maleic and cinnamic acids are specified acidic components.  The terpolymer may be mixed with natural or synthetic rubber, e.g. 90-60 parts thereof per 10 to 40 parts of the terpolymer to form shoe-sole compositions. The terpolymer may be prepared by aqueous emulsion polymerization using potassium persulphate (catalyst), sodium dodecyl benzene sulphonate (emulsifier) and tertiary dodecyl mercaptan (chain transfer agent).  The shoe-sole compositions may contain the usual compounding and vulcanizing ingredients and may be vulcanized.
Patent GB-507150-A (GB)
Title: Improvements in or relating to methods of and apparatus for controlling the flow of refrigerant in refrigerating systems
IPC: F25B41/06
Filed: 1937-12-09
Abstract: 507,150. Refrigerating; refrigerators. WESTINGHOUSE ELECTRIC & MANUFACTURING CO. Dec. 9, 1937, No. 34062. Convention date, Jan. 29. [Class 29] Compression machines.-A part of a capillary tube 21 conveying liquefied refrigerant to the evaporator 24 is cooled by heat exchange with the suction conduit 25 at a point entirely outside the evaporator, to retard evaporation in the tube until the refrigerant reaches the evaporator. The heat exchanger may be formed by winding the capillary tube around the suction conduit, which is also coiled, and beyond the exchanger the capillary tube may be wound into a small coil 23. The heat exchanger and the capillary coil are embedded in the insulation 37 of a removable closure member 35 for the wall opening through which the evaporator is introduced into a refrigerating cabinet 31. The arrangement is described as applied to a compression machine having an air-cooled condenser, a sheet metal evaporator of the flooded type, and a thermal motor-control switch.
Patent GB-378298-A (GB)
Title: Improvements in dimmer switches for motor-cars, motor-cycles and bicycles
IPC: H01H13/58
Filed: 1931-12-10
Abstract: 378,298. Snap - action switches. SCINTILLA AKT.-GES., Solothurn, Switzerland. Dec. 10, 1931, No. 34209. Convention date, Jan. 2. [Class 38 (v).] A dimmer switch for controlling headlights on motor vehicles comprises a drum carrying two contacts, and adapted to be rotated by a pushrod, successive depressions of which cause the contacts to engage in turn with corresponding spring- blade contacts connected respectively with bright and dim lamps. As shown, a push-rod c of square section terminates in a sliding cover b to a cylindrical extension r of the main casing a, and is depressible against a spiral spring d to engage edges of the drum e. The drum contacts l1, l2 are U-shaped, and are fixed at the ends of the drum with their arms extending along the latter and so as to be relatively displaced in the direction of rotation by 90‹, connection between them and an in-going terminal h, being made by a supporting bracket g. The drum axis f is carried in elongated slots in the bracket g, so that depression of the push-rod forces the drum against the spring- blade contacts i1, i2 in addition to rotating it, thereby causing the drum to snap into position after a dead-centre has been passed. Alternatively the axis f may be fixed to the bracket g, and pass freely through a bore of circular, square, or polygonal section in the drum. The switch may be operated by hand, foot, or electromagnetically.
Patent GB-901999-A (GB)
Title: Improvements in or relating to collet or chuck jaw assemblages
IPC: B23B31/20
Filed: 1959-10-09
Abstract: 901,999. Chucks. HARDINGE MACHINE TOOLS Ltd., and BLAIR, W. J. Oct. 10, 1960 [Oct. 9, 1959], No. 34364/59. Class 83 (3). A collet or chuck jaw assembly comprises jaws 10 connected to a support 16 by non- metallic resilient material 23 which is located and secured in a groove formed in and extending axially along the outer surface of the jaw and in a groove formed in the periphery of the support. Three or six jaws are provided, with rubber as the material. The collet bore may be stepped. The support may be at the large or the small end of the collet. The jaws may extend on each side of the support 16, Fig. 16, and may be staggered relatively to each other. Reference has been directed by the Comptroller to Specification 626,342.