baber/WOPTO huggingface dataset:
Patent GB-352595-A (GB)
Title: Improvements in supercharging arrangements for four-stroke cycle internal combustionengines
IPC: F02B3/00
Filed: 1930-04-29
Abstract: 352,595. Four-stroke engines. MICKELSEN, V. and REBBECK, F. E., of Harland & Wolff, Queen's Island, Belfast. April 29, 1930, No. 13130. [Classes 7 (ii), 7 (v), and 7 (vi).] Super - compression engines; valves.-In an engine, charged by air compressed below the piston, the admission of air to the pump space F and the discharge of compressed air to a receiver K, connected to the inlet valves D, is controlled by a rotary valve H revolving at half speed. The valve H comprises a diametral partition, not thinner than the width of the valve ports J, R, M, arranged approximately at 90‹ as shown. In a multicylinder engine each cylinder may be supercharged independently, or the receivers K of several cylinders may be connected together, and the valves H mounted on a common shaft. Pumps.-A sump P, with a door Q, is provided, in the pump space F, for the removal of carbonized oil and other dirt drained from the cylinder. Reversing.-The valve H is adjusted through 90‹ for reversing, either by hand, or through lost motion in a clutch in the drive.
Patent GB-514687-A (GB)
Title: Improvements in or relating to compositions containing solid polymers of ethylene
IPC: C08L15/00
Filed: 1938-05-03
Abstract: 514,687. Rubber compositions. WILLIAMS, E. G., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. May 3, 1938, No. 13218. [Class 70] [Also in Group IV] Thermoplastic compositions comprise a substantially homogeneous mixture of polyethylene and one or more of the -rubber-like materials specified below, the proportion of polyethylene being 5 to 95 per cent. by weight of the mixture. The rubber-like materials specified are unvulcanized natural rubber such as crepe rubber, hydrogenated natural rubber, ,gutta percha, synthetic rubber made by the polymerization or interpolymerization of hydrocarbons such as butadiene containing conjugated double bonds, and linear substantially saturated hydrocarbon polymers which are similar in mechanical properties to raw or unvulcanized rubber, e.g., polyisobutylene. Fillers, colouring ingredients, or compounding ingredients, e.g., paraffin or other hydrocarbon wax or bitumens may be incorporated in the compositions. The ingredients may be mixed on heated rolls, or in other types of mixing machines in which case solvents, e.g., xylene, may be added to facilitate mixing, the solvent being substantially removed by evaporation. Alternatively the ingredients may be dissolved in a suitable solvent, e.g., benzene, and the solvent evaporated or may be dissolved in a solvent, e.g., benzene, carbon tetrachloride or petroleum ether, and a precipitant liquid, e.g., ethyl alcohol.or acetone, added. The compositions may be moulded or cast, may be extruded to form tubes, rods, or a covering on electric cables, or may be used for making golf ball covers. Examples are given of compositions comprising mixtures of polyethylene with (1) and (2) polyisobutylene, (3) polyisobutylene and paraffin wax, (4) unvulcanized crepe rubber, and (5) gutta percha. According to example (6), a cable suitable for use at high frequencies is constructed by extruding a mixture of polyethylene and polyisobutylene over a copper conductor, and winding a copper tape over the insulation, thus making a concentric cable. Specification 471,590, [Group IV], is referred to.
Patent GB-824417-A (GB)
Title: 1, 2, 4-trivinylbenzene and its production
IPC: C07C15/44
Filed: 1958-04-25
Abstract: The Specification comprises 1,2,4-trivinyl benzene and its preparation by the trimerization of monovinyl acetylene in the presence of a catalyst comprising (a) a hydride or an organiccompound containing a metal of Group I, II or III (including boron) and (b) a compound of a metal of Group IVA, VA, VIA, VIIA or VIII at - 65 DEG to 100 DEG C.  Suitable components (a) are the hydrides of lithium, sodium, potassium, calcium, strontium, barium, magnesium, zinc, boron and aluminium, lithium butyl, potassium ethoxide, diethyl zinc, dibutyl magnesium, aluminium-triisobutyl, -triethyl or -triamyl, and boron trimethyl.  Suitable components (b) include TiCl4, TiCl3, TiCl2, TiF4, ZrCl3, ZrBr2, FeCl3, VOCl3, VCl5, MoCl6, MoCl5, CoCl2, NiCl2, and titanium tetraiospropoxide.  The molar ratio of (a) to (b) may be from 5:1 to 1:5 and a total amount of 0.1-30% by weight of monovinylacetylene is used.  An inert solvent may be present, e.g. toluene, xylene, cyclohexane or decahydronaphthalene in practically any amount.  The examples refer to the use of triisobutyl aluminium with titanium tetrachloride at 29-52 DEG C., 0 DEG C. and -10 DEG C.ALSO:Polyethylene glycol sebacate is cross-linked with 1,2,4-trivinyl-benzene in the presence of benzoyl peroxide at 90 DEG C. under slight pressure.  The product was insoluble in solvents for polyethylene glycol sebacate and had a high-thermal resistance.
Patent GB-132500-A (GB)
IPC: F02P5/02
Abstract: 132,500. Scintilla, [Firm of]. Sept. 13, 1918, [Convention date]. Interrupters, mechanical; timing-devices.-In ignition magnetos in which the timing is effected by rotating the stationary part of the interrupter by means of a handle, means are provided whereby the handle can be so arranged that, when in its normal position, it projects from the machine in that one of several directions which may be most convenient in fitting up the machine. For this purpose, the handle a is integral with a disk f which forms a cover for the interrupter, and is secured by a screw k to the piece c which carries the stationary portions of the interrupter. On the disk f are formed projections m which engage with slots o formed in a plate n attached to the piece c. The projections m may be made to engage with any desired pair of opposite slots o, and the position of the handle a thus adjusted. The slots may be formed in the disk f, and the projections on the plate n. In a modification, instead of the projections m and slots o, the boss p into which the screw k is fastened is polygonal and engages with an opening of corresponding form in the piece c.
Patent GB-1519397-A (GB)
Title: Process for the production of hydrogen
IPC: C01B17/74
Filed: 1976-04-01
Abstract: 1519397 Hydrogen and oxygen from water EUROPEAN ATOMIC ENERGY COMMUNITY 22 March 1977 [1 April 1976] 13348/76 Heading C1A Hydrogen is produced from water by carrying out the Bunsen reaction, i.e.: SO 2  + 2H 2 O + I 2  # 2HI + H 2 SO 4  in liquid sulphur dioxide as a solvent and recovering hydrogen from the hydrogen iodide by thermal decomposition. The iodine obtained may be recycled. The sulphuric acid produced may be thermally decomposed to oxygen, water and sulphur dioxide. The sulphur dioxide may be recycled. A metal oxide (ZnO specified) may be added to the starting materials to form a metal sulphate which may be thermally decomposed to recover the metal oxide and sulphur dioxide which are then recycled.
Patent GB-197958-A (GB)
Title: Improvements in or relating to vibratory diaphragms
IPC: H04R7/20
Filed: 1923-05-18
Abstract: 197,958. Soc. Francaise Radio-Electrique. May 20, 1922, [Convention date]. Diaphragms.-A diaphragm 1 of large dimensions, consisting of a disc or cone of paper &c., for use in a loud-speaking telephone, is uniformly supported at a large number of points by elastic loops 3 attached to the diaphragm and to its suppork 2 by means of holes 4, pegs or hooks 5, or by glue. Alternatively, a continuous elastic band alternately connected to the diaphragm and to the support may be employed. The tension of the elastic members may be varied by separating the support and diaphragm, or, in the case of a continuous band, by lengthening or shortening the band. By suitably adjusting the diaphragm and support, the loops or band may be arranged to lie approximately in a plane perpendicular to the axis of the diaphragm, or to form a portion of a conical or cylindrical surface. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the application of the diaphragm mounting to gramophones, &c. This subject-matter does not appear in the Specification as accepted.
Patent GB-1416481-A (GB)
Title: Electric furnace resistance heating support members
IPC: F24C7/06
Filed: 1973-03-20
Abstract: 1416481 Furnace elements supports WILD BARFIELD Ltd 25 Jan 1974 [20 March 1973] 13384/73 Heading H5H [Also in Divisions E2 and F2]  A furnace resistance heating element support of refractory material has an elongate open channel portion 2 and an L-section support lug 3 which is less than half the length of the channel portion 2, the lug extending firstly in the plane of the free edges of the channel portion and then at right angles thereto in a direction away from the base of the channel. A plurality of identical supports may be mounted side-byside in T-shaped horizontally extending slots in a vertical furnace lining of refractory brick, the supports providing a continuous channel for the heating element. The shoulders 4 of the supports abut the vertical face of the brickwork. Individual supports may be removed without disturbing any others. The construction of the supports enables them to be arranged in pairs, as in Fig. 5, which co-operate to provide a substantially tubular duct for suspending elements from the ceiling or supporting them on the floor of the furnace. Slots 5 cut in the edges of the channels distant from the lugs co-operate to provide an axial slot for radiant heat when two supports co-operate in the manner shown in Fig. 5.
Patent GB-1279916-A (GB)
Title: Hydraulic turbines, pumps and pump-turbines provided with shrouded runner seals
IPC: F04D29/16
Filed: 1970-03-19
Abstract: 1279916 Centrifugal pumps; hydraulic turbines DOMINION ENG WORKS Ltd 19 March 1970 [19 March 1969] 13407/70 Headings F1C and FIT A hydraulic pump, turbine or turbine-pump has a shrouded runner mounted in a casing in which a shroud space 18, Fig.3, is sealed at its low pressure end by a radially resilient annular seal having a sealant water supply 65 connected thereto and radially overlapping portions associated respectively with the runner and casing, one of the portions 56 being held by means 58 releasable externally of the shroud space to allow disassembly of the runner from the casing. The seal 29 comprises a number of segments 55 biased towards front runner shroud 15 by the sealant water. The space 18 has an outer seal 28 and is filled with air via conduit 30. Water gallery 66 is connected with a chamber 70 via a number of small openings 80. The seal 29 also has an annular slinger 75 having fluid circulating lips 76, 77 and grooves 79 to facilitate centrifugal separation of air from the water and thereby provide a stable liquid/air interface. Grooves 72 also facilitate air separation. Each segment 55 has limited radial movement to allow for eccentric running of the runner. The seal 28 has a lip 47 to establish fluid circulation at the seal, enhanced by a shoulder 48, and thereby achieve centrifugal air separation. Moreover, the outer edge 40 has air-separating grooves 43 and is slightly inclined to the runner axis to impede air loss. The inner and outer seals of the space (19), Fig.2 (not shown), at the back shroud are similar to the front shroud space seals.
Patent GB-919217-A (GB)
Title: Video and like systems with transient and dropout compensation
Inventor: DOLBY RAY MILTON
IPC: H04N5/94
Filed: 1960-04-14
Abstract: 919,217. Television. AMPEX CORPORATION. April 14, 1960, No. 13483/60. Class 40 (3). A video signal is applied from an input 10 to an output 13 through a switch 12 which has a second input connected to receive a signal from the output applied through a delay circuit 16 having a delay corresponding to one scanning line, a detector 14 functioning to produce a switching signal whenever a disturbing transient appears in the input signal which operates switch 12 to substitute the delayed signal for the original input signal whereby there is formed an output signal free of transients. The invention relies for its effectiveness on the inherent similarities between adjacent lines of a television picture. In the event of a prolonged disturbance, the last good line is repeated until the disturbance ends. Delay circuit 11 is included to delay the input signal until the switching brought about by a transient is completed, a further delay circuit 15 delays only the trailing edge of the switching signal until the disturbance has passed. The detector comprises a peak detector arranged to produce a switching signal when the transients extend beyond peak black and white levels. In a system in which the video signal appears as modulation of a carrier, the detector may respond to the carrier. The invention is stated to have application in microwave links where the disturbance may be due to partial or total failure of carriers, in systems subject to disturbance due to power line and ignition transients, and in apparatus for reproducing signals recorded on magnetic tape where the disturbance is due to " drop-out " (absence) of signal due to imperfections in the recording medium. This last application is disclosed more fully in Figs. 2-5 (not shown), reference being made to the magnetic recording and reproducing system described in Specifications 798,927, 798,928, 798,929, 798,930, 858,145 and 859,058. The Specification includes a detailed circuit diagram of part of the recording application, Figs. 6A and 6B (not shown). The circuit elements are generally conventional. The delay circuit 16 comprises a quartz delay unit operating at 30 mc/s., the video signal at the input being modulated on to a 30 mc/s. carrier and the output being detected to recover the video signal. Switch 12 comprises a four-diode gate. The transient detector comprises an amplitudemodulation detector responsive to the recording carrier.
Patent GB-449495-A (GB)
Title: Improvements relating to the stay-bolts of steam-boilers
IPC: F22B7/16
Filed: 1935-05-07
Abstract: 449,495. Steam-boiler stays. KIRKE, P. ST. G., Givons Manor, Leatherhead, Surrey. May 7, 1935, No. 13486. [Class 123 (ii)] A stay bolt 15 is secured to a boiler plate 10 by an inwardly projecting nut 12 having a blind screw-threaded hole to receive the end of the bolt and formed with a flange 14 which is secured to the plate by rivets 13. Specification 447,326 is referred to.
Patent GB-134870-A (GB)
IPC: F42D1/04
Abstract: 134,870. Harris, R. D. Sept. 13, 1918. Blasting.-The tool described in Specification 118,893 is modified by the provision of an outer tube 1 surrounding the detonator-carrying tube and threaded to the boss 2 of the handle. The end 3 of the outer tube is internally threaded to receive the usual scraper and stemmer, or an additional short and preferably conical stemmer for use after a missfire; the short stemmer is grooved to accommodate the wires. The usual auger may be attached to either tube, and the pricker to the detonator-carrying tube. The Provisional Specification states also that the outer tube may be graduated.
Patent GB-135678-A (GB)
IPC: D06B3/10
Abstract: 135,678. Mayer, C. W. Jan. 6, 1919. Coating materials in long lengths.-In a machine of the kind described in Specification 29194/11 for coating paper or fabric on one or both sides with a coating requiring the application of heat, the range of coating is varied from a heavy impregnation to a single thin coating and the speed of the machine is increased. The paper &c. passes from an adjustable supply roll 1, Fig. 1, around idlers 2, 3, over a heated coating-roll 4 and scraper 5, around a finishing-roll 6 which may be heated if desired, over a second coating-roll 7 and scraper 24 for the other side of the paper, and thence around drawing and chilling rolls 9, 10 to a wind-up roll 11. The idler roll 3 is mounted in the ends of rack-bars 14 sliding in guides 13 adjacent the coating-roll 4 and operated by a crank-handle 18 and pinion 17 so that the roll 3 can be entirely submerged in the heated trough 15 or raised and held at various heights to vary the length of contact of the paper with the coating-roll 4. For impregnation of the paper, the roll 3 is submerged in the coating-material, and a scraper 21, carried by a bar 20 pivoted to the bars 14, removes the surplus coating from the upper side of the paper. The scraper is adjustable by means of an arm 22 having a slotted segment adapted to be locked to the adjacent plate 14 by bolt and wing-nut. The drawing and chilling rolls 9, 10 are positioned at such a distance from the last coating or heating roll, about seven feet for a web travelling at 500 ft. per minute, as to permit capillary action to secure an even distribution of the coating before it is cooled, and are of larger diameter than any of the other rolls, while travelling at the same peripheral speed as the roll 6. They are placed close to each other as shown, so that the paper is chilled on its second side immediately after it is chilled on the first, and so that the paper is in contact with each roll for more than half its circumference. The rolls are water-cooled and, being large, allow the machine to operate at high speed. When threading the machine with paper, the roll 3 is raised to its highest point.
Patent GB-636259-A (GB)
Title: Improvements in or relating to carbon arc welding apparatus
IPC: B23K9/28
Filed: 1947-05-20
Abstract: 636,259. Arc-welding electrode holders. MOFFATT, R. G., and ARC MANUFACTURING CO., Ltd. May 20, 1947, No. 13577. [Class 39 (iii)] A carbon arc-welding electrode holder comprises a thin metal sheet 14 of large surface area folded over at one end 17, the electrode 18 being pressed in contact with the sides of the fold by a metal pad 19 on a rod 21 pressed by a spring 20 ; and the brass sheet 14 is bent at the other end to a half tubular section 15 which is inserted into an insulating handle 12 and is spaced within it by dimples 26 on the metal. The electrode is removed on retracting the rod 21 by an insulated thumb piece 22 on the latter. The supply cable is connected by a terminal 23 to the semi-tubular part 15. The spring 20 is encased in an insulating thimble 24. A hand shield 13 is provided.
Patent GB-170318-A (GB)
Title: Improvements in, or relating to rubber tyres for vehicle wheels, to render them moreresilient and prevent skidding
IPC: B60C7/10
Filed: 1920-05-18
Abstract: 170,318. Bishop, J. G. May 18, 1920. Non-metallic elastic bodies; block tyres. - A twin or multiple solid tyre comprises a soft rubber portion e. in the form of a continuous band or in sections, adapted to be secured without vulcanization to the base of a single or twin band tyre. In the construction shown, the foundation-bands b of the ordinary solid tyres c have flanged recesses i to receive the enlarged bases of the softer rubber elements e. In modifications, the flanged edges of the bands b are parallel to receive a correspondingly-formed soft rubber tyre.
Patent GB-678533-A (GB)
Title: Arrangements for measuring non-linear distortion in frequency modulation communicating systems
Inventor: JACOBSEN BERT BULOW
IPC: G01R29/06
Filed: 1950-05-31
Abstract: 678,533. Frequency modulation distortion measurements. STANDARD TELEPHONES & CABLES, Ltd. May 31, 1950, No. 13659/50. Class 37. [Also in Group XL (c)] Non-linear distortion in frequency and phase modulation systems of communication is measured in such a way that the various sources of the distortion can be separated and that non- linearity of the measuring means does not introduce error. An arrangement is shown for measuring non-linear distortion produced in the generation of frequency-modulated waves. The oscillator 1 to be tested generates a carrier wave of frequency f<SP>1</SP>. A similar oscillator 2 is set to generate a carrier wave of frequency f<SP>2</SP>. A signal wave of frequency p is applied directly to frequency modulate the oscillator 1 and is also applied to frequency modulate the oscillator 2 through an amplitude and phase adjuster 3. A second signal wave of frequency q different from p is also applied to frequencymodulate the oscillator 1 simultaneously with the p wave. The frequency-modulated waves f<SP>1</SP>, f<SP>2</SP> are applied to an amplitude modulator or frequency changer 4, the difference frequency #<SP>1</SP>-#<SP>2</SP> being selected by a filter 5 and passed through an amplifier 6 to a frequency discriminator and amplitude limiter 7. The adjuster 3 is set so that the amplitude and phase. of the p wave which modulates the oscillator 2 is such that the modulation component at the frequency p derived from the oscillator 2 cancels out the same component derived from the oscillator 1 and the side-band #<SP>1</SP> - #<SP>2</SP> does not bear any modulation component of frequency p. One of the components q+p is selected by a narrow band-pass filter 8 from the output of the discriminator 7 and its level with respect to the level of the wave q is measured by an instrument 9, thereby determining the degree of non-linearity of the frequency modulation characteristic of the oscillator 1 without the introduction of appreciable errors due to non-linearity of the discriminator characteristic.
Patent GB-312474-A (GB)
Title: Improvements in or relating to distribution means for pulverulent material
IPC: F23K3/00
Filed: 1928-05-09
Abstract: 312,474. Alden, G. R., and Skentelbery, C. May 9, 1928. Pneumatic conveyers. -A distributing device for pulverulent material such as pulverized fuel, cement, flour, &c. carried by air or gas under pressure through pipes from a common source of supply comprises a circular chamber having an inlet and a plurality of outlets equally spaced apart and equidistant from the central axis of the chamber and means for creating a whirl within the chamber concentrically with its axis for the purpose of distributing the material equally to the several outlets. The supply 6 for the material is connected to. an inlet 5 in the centre of the detachable dome-shaped cover 2 of the circular chamber 1. Outlets 12 communicating with distribution pipes 13 :are formed at equal distances apart around the periphery of the lower portion 4 of the chamber. An impeller disc 9 in the lower part of the chamber is mounted ,on a shaft 8 which .is rotated by a motor 17. The disc 9 has Mades 10 on its upper surface and blades 11 on its lower surface. The motor 17 drives an air compressor 23 which supplies air to a receiver 25 from which a pipe 26 leads to a bore in the bearing 7 of the shaft 8. Compressed air passes through this bore, beneath a conical disc 28 to the space between the bottom of the ..disc 9 and the casing 4 and in conjunction with the blades 11 prevents the passage of material to the underside of the disc. For the purpose of obtaining an intimate mixture of air or gas with the pulverulent material in desired proportions, when supplying powdered fuel to furnaces, air inlets 32 are provided in the inner wall of an annulus 30 disposed between the pipe 6 and cover 2. The opening of these inlets is regulated by a rotatable sleeve member 33. Hot air is supplied to the annulus by a pipe 31. One or more auxiliary air inlets having spring-loaded valves may be provided in the wall of the chamber 1 to admit air if the pressure in the casing falls below a predetermined limit. The disc 9 may be replaced by a disc freely supported in the casing and rotated by the air current carrying the material, or by a fixed device having blades thereon which serve to define distributing channels for the streams of air and the materials suspended therein. In Fig. 3 the device is shown supplying fuel to the burners 34 of a battery of three boilers. In order to prevent choking of the pipes 13 when one or other of the burners is shut-off, bye-pass pipes 36 are provided which connect each pipe 13 with a return pipe 37 communicating with a branch 6a of the inlet pipe. Valves 38 on the pipes 36 are opened automatically or otherwise when the adjacent burner is shut-off. The bye-passed material may be returned directly to the distributing chamber or to the source of supply.