baber/WOPTO huggingface dataset:
Patent GB-842695-A (GB)
Title: Improvements in or relating to circuits for combining the outputs of a plurality of signal sources
Inventor: KASON JOHN
IPC: H04N7/10
Filed: 1955-09-23
Abstract: 842,695. Distributing music &c. ELECTRIC & MUSICAL INDUSTRIES Ltd. Sept. 24, 1956 [Sept. 23, 1955], No. 27135/55. Drawings to Specification. Class 40 (4). [Also in Groups XL (b) and XL (c)] Two signal sources of high output impedance are connected to a combining point by lowimpedance feeders, cross-talk modulation at the combining point being avoided by making the length of the feeder from each source equal to an integral number of half wavelengths at the centre frequency of the frequency band of the other source. Three or more sources may be combined at one point if the frequencies are integral multiples of one another and no feeder has a length equal to a quarter wavelength of the centre frequency of one other source while being a half wavelength of another. The output from a point combining two frequency bands may be combined with the output of a third source by making the feed between the third source and a second combining point equal to an integral half number of wavelengths of the arithmetic mean of the centre frequencies of the other two sources, and the length of the feed between the combining points equal to an integral number of half-wave lengths of the centre frequency of the frequency band. transmitted by the third source. The feeders may be semi-airspaced coaxial cables with an impedance of 100 ohms.
Patent GB-371753-A (GB)
Title: Improvements in and relating to centrifugal machines
IPC: B04B11/02
Filed: 1931-09-30
Abstract: 371,753. Centrifugal separators. ANCIENS ETABLISSEMENTS CIME, 77, Rue de la Boetie, Paris, and PERRIER, D., 29, Rue Pasteur, Unieux, Loire, both in France. Sept. 30, 1931, No. 27249. Convention date, Dec. 9, 1930. [Class 23.] A centrifugal separator for paper pulp &c. comprises a rotary bowl provided with a central feed pipe 3 and one or more circular concentric partitions 9, 10 which form separate conduits 12, 13, 14 for the components of the pulp, and are vertically adjustable from outside to vary the cross-sectional area of said conduits: In the form shown in Fig. 3, a single partition 27 is used, and is vertically adjustable in an annular channel 30 communicating with discharge pipes 32. The heaviest component of the pulp is retained by a fixed ring 39 in the bowl, another passes through the adjustable passage 35, while the lightest passes through ports 31 in the partition.
Patent GB-1022515-A (GB)
Title: Improvements in and relating to the manufacture of glass
IPC: C03B15/08
Filed: 1964-07-02
Abstract: <PICT:1022515/C1/1> A process for the manufacture of sheet glass, by the Pittsburgh or Pennvernon process, comprises stabilizing a source of molten glass and a pool of molten glass in a zone from which glass sheet is withdrawn, feeding molten glass as a stream from the source to the pool at a rate exceeding the rate of drawing of glass sheet from the zone, flowing excess glass from the pool toward the source, drawing glass sheet from the surface of the pool, and adjusting the temperature of a portion of the stream of glass flowing from the source to the pool to change the direction of flow of said portion so that it flows back towards the source. Sheet glass is drawn from a gather 26a above a draw-bar 44 in a kiln 10. A cooling means 50 is placed above the surface of the glass between the rear hot spring S and the shut-off 22 to cause an acceleration in flow of the glass back to the melting tank. The cooling means 50 has a cover 52 which also extends over the sides and end thereof, and each cooler extends from each side wall of the kiln for not more than 25% and not less than 10% of the kiln width.  By so changing the temperature distribution of a portion of the glass flowing from the spring more hotter, homogeneous glass is permitted to flow from the withdrawal zone. To prevent the effects of the cooler 50 extending to the withdrawal zone a C-shaped shield 54 is placed between the coolers 50 and that zone.
Patent GB-776232-A (GB)
Title: Improvements in or relating to cylindrical dispenser cathodes
IPC: H01J1/28
Filed: 1955-09-26
Abstract: 776,232. Thermionic cathode constructions. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Sept. 26, 1955 [Sept. 29, 1954], No. 27359/55. Class 39(1). A cylindrical dispenser cathode, such as the magnetron cathode shown, has a porous tungsten cylinder 1 enclosing a chamber 4 which contains emissive material, and the cylinder is connected to other cathode parts such as the molybdenum ends 2, 3 by welding seams 5, 6 formed on the outer surface of the cathode. Shields 7, 8 secured to the cathode ends protect these seams against damage by direct sparking between anode and cathode. Specification 757,066 is referred to.
Patent GB-1146310-A (GB)
Title: Improvements in or relating to phototropic composition
IPC: G03C1/73
Filed: 1966-06-20
Abstract: 1,146,310. Photochromic materials. NUCLEAR RESEARCH ASSOCIATES Inc. 20 June, 1966 [23 Oct., 1965], No. 27379/66. Heading C4S. A photochromic composition comprises mercuric bis-diphenyl thiocarbazone and a reversion accelerator as described in Specification 1,146,309, except that the accelerator is a carboxy-containing organic compound e.g. oxalic acid.
Patent GB-161216-A (GB)
Title: An improved motor implement applicable as a plough or cultivator
IPC: B62D51/04
Filed: 1920-08-07
Abstract: 161,216. Woodhead, L. W., James, G. A., and Brockhouse, H. Aug. 7,1920. Ploughs, cultivators, and harrows. - A motor implement for harrowing, cultivating, and ploughing is provided with a single driving- wheel mounted directly in front of the working tools and driven by a chain passing round a sprocket-wheel 5 above the axis of the driving- wheel and connected to the wheel by a train of gearing which is enclosed in a casing 7 to protect it from mud, &c. The implement is also provided with two or more auxiliary supporting-wheels 18 and with means for adjusting the forward end of the tool frame vertically and for allowing the rear end to move laterally. The driving-wheel is driven from a transversely-arranged engine 2. A clutch on the engine shaft is controlled bv means of a lever 28 connected by a cord to a lever on one of the handlebars 32. The driving-wheel shown is of the kind described in Specification 158,660, [Class 144 (i), Wheels for vehicles], and consists of two narrow discs 11 fixed on a hollow shaft and carrying transverse blades or plates 12 within their peripheries. The cultivating-tool shown consists of a harrow 14, the front part of which is linked to an adjustable lever 15 provided with a locking- quadrant 17. The rear part of the harrow is connected to a fitting sliding on a cross-bar 37. For ploughing, a rear trailing wheel may be provided. The side supporting-wheels 18 are carried by brackets 19 loosely mounted on a stationary shaft passing through the hollow axle of the driving- wheel. The brackets are held in place by adjustable spring bolts 23 arranged as shown. The wheels 18 may be adjusted to take most of the weight for travelling on roads, and may be used for tilting the machine for repairs, &c. The front part of a draw-bar or of an implement may be secured by a pin 42, and the rear part of a drawbar mav be connected to the fitting on the crossbar 37. The handle-bare 32 are adjusted by means of a catch and a locking-quadrant 36.
Patent GB-909015-A (GB)
Title: Improvements in apparatus for blanching, pre-cooking or otherwise treating peas or beans
Inventor: JONES THOMAS MARSDEN
IPC: A23B7/06
Filed: 1960-08-09
Abstract: 909,015. Cooking-apparatus; blanching peas. MITCHELL ENGINEERING Ltd. May 24, 1961 [Aug. 9, 1960], No. 27540/60. Classes 28 (1) and 49. [Also in Group XIII] Apparatus for blanching, pre-cooking or otherwise treating peas, beans, &c., comprises a water chamber 1 into which the peas or beans are fed and subsequently extracted, two coaxially arranged perforated tubular members 4, 5, disposed within the chamber in such a way as to provide between them an annular space in which the peas or beans are treated, and means (not shown) for directing water outwardly from inside the inner tubular member 5 through the annular space and into the outer part of the water chamber. Hot water is introduced through a tubular ring 12 perforated on its top part and passes generally upwardly through the chamber 1 to an overflow 16 for recirculation; split peas or beans and skins are collected in an overflow hopper 17. Perforated, frusto-conical deflectors 6, 7 are fitted on the inner tubular member 5 to ensure that the peas or beans are thoroughly soaked with hot water as they pass down the annular treatment space. Steam or water is delivered from a supply pipe 10 to an ejector nozzle 9 to create a partial vacuum in a pipe 8 for extracting the blanched or pre-cooked peas or beans from the water chamber and delivering them up a further pipe 11 to a discharge shoot. The outer tubular member 4 may be formed in three slightlyoverlapping parts held in position by spacers 19. The perforated inner tubular member 5 may be blanked off at its upper end to shorten the treatment.
Patent GB-818819-A (GB)
Title: Improvements in or relating to pipe joints or connections
Inventor: FULFORD JOHN HENRY
IPC: F16L33/22
Filed: 1956-09-10
Abstract: 818,819. Pipe joints. MINISTER OF SUPPLY. Sept. 10, 1957 [Sept. 10, 1956; Sept. 27, 1956 ; Oct. 18, 1958], Nos. 27587/56, 29521/56 and 31707/56. Class 99(1). A pipe 1 is gripped by a split, wedge-action, externally screw-threaded sleeve 2 engaged by an internal correspondingly screw-threaded sleeve 3, an axial thrust producing relative movement between the sleeves and causing sleeve 2 to contract on the pipe and compress an O-ring 5. The ring 2 is formed of a hollow cylinder which is helically slit thus dividing it into coils, or it may be made of closely wound coils of metal strip, the outer edges inclined so as to engage the wedge-shaped screwthread 3d of sleeve 3. A spacing collar 6 may be inserted between ring 5 and sleeve 2, sleeve 2 being screwed into sleeve 3 and the assembly then placed on the pipe. An outer sleeve 4 is screwed on to sleeve 3 and imparts an axial thrust to the sleeve 2 by engaging a ring 7. In modifications, Fig. 2 (not shown), the ring 7 may be formed integrally with the sleeve 2 which is provided with a number of longitudinal slits and in Fig. 3 (not shown), the connection is used for a rubber hose pipe which is gripped between a sleeve and a reinforcing insert engaged within the pipe bore to prevent collapse.
Patent GB-1088764-A (GB)
Title: Thermoelectric element
Inventor: KORENBLIT LEW LEIBOVICH
IPC: H01L35/32
Filed: 1964-10-03
Abstract: 1,088,764. Anisotropic thermoelectric element. INSTITUTE POLUPROVODINKOV AN U.S.S.R. Oct. 3, 1964, No. 27595/64. Heading H1K. A thermoelectric element comprises a slab having plane end faces disposed at not more than 60 degrees to one another and with parallel side faces cut from a single crystal having anisotropic thermo-electric properties in such a manner that the principal thermoelectric axis lies in a plane perpendicular to the side and the end faces and makes an angle of 45 degrees with the side faces at a point midway between the end faces. Eight single-crystal segments 1 to 8 are joined together to form a thermoelectric generator working at a temperature difference T 0 -T 1 , with the voltage being extracted between segments 1 and 8. The principal thermoelectric axes makes an angle # = 45 degrees with central radial line of each segment. A single element may be used to produce a voltage (Figure 1, not shown) or combined with right angled segments or made in the form of a helix to give a generator (Figues 3 and 4, respectively, not shown). The segments may be made of bismuth or its alloys.
Patent GB-896417-A (GB)
Title: Machine for making foundry cores from resin-coated sand
Inventor: RONNE RONALD MACK
IPC: B22C23/00
Filed: 1958-08-28
Abstract: 896,417. Moulding-machines. DEPENDABLE PATTERN WORKS Inc. Aug. 28, 1958, No. 27652/58. Class 83 (1). A shell core forming machine comprises a pair of opposed face plates mounted for relative movement towards and away from each other and carrying mould box halves, and at least one nozzle carried by each face plate for discharging a jet of an air-fuel combustible intermixture through an aperture in the face plate carrying it and directly upon the mould box half secured thereto. Core box halves 21, 22, preferably of aluminium are releasably carried by a fixed head 9 and a movable head 11 respectively, the two halves being clamped together by a hand wheel 14 actuating a linkage 16, 17. Combustible air-fuel mixture is supplied to the heads through pipes 43, 44 and is directed on to the exterior of the core box by nozzles 40, 42. Beneath the core-box is releasably supported a mix container 27, and the assembly is supported between bearings 5, 6 and is rotatable through 360 degrees, being locked in the position shown by a pin 33 which may be released by a treadle 38, so that the assembly may be inverted in order that the moulding mixture may fall from the container 27 into the preheated core-box, assisted by pressure air fed through a connection 32. After a desired period of time the assembly is restored to the position shown in Fig. 1, excess mix returns to the container 27 and the core is cured by flames directed on to the core-box.
Patent GB-932683-A (GB)
Title: Conveyor belt
IPC: B65G39/20
Filed: 1961-08-01
Abstract: 932,683. Endless conveyers. A. T. KORNYLAK. Aug. 1, 1961, No. 27812/61. Class 78 (1). As shown in Fig. 3 a conveyer comprises a frame 12 having a trackway 48 with a partially overhanging upper flange 50 and a lower flange 52 and an endless belt (see Fig. 9) comprising an assembly of flat rectangular plates 14 connected by C-shaped hinges 16 each plate having a track-engaging roller 42 at either end (see Fig. 2) together with second rollers 54 adapted to engage the upper flange 50 when the conveyer is operating on an upward curve and the lower flange 52 on the return run. The belt is assembled slack by linking lips 22, 24 on adjacent plates into hinges 16 and tightened by a conventional tensioner 64. U.S.A. Specification 2,746,595 is referred to.
Patent GB-233614-A (GB)
Title: Improvements in and relating to mountings for thermionic valves
IPC: H01R33/975
Filed: 1924-11-20
Abstract: 233,614. Sterling Telephone & Electric Co., Ltd., Miller, T. D. Ward-, Holbeach, W. M., and Jones, R. C. Nov. 20, 1924. Addition to 227,590. Vacuum tubes. - A valve holder of the type described in the parent Specification comprises an insulating plate 4 carrying sockets 5, a base 1 adapted for fastening to a panel and engaging above and below the plate so as to limit its movement, and shock-absorbing mountings, such as spongy rubber rings 9, interposed between the plate and the base. A flange 6 on the plate extends between the rings. A flange 3 on the top of the base retains the upper ring, and the lower ring is held by an insulating washer 7 secured by metal tags 8, which are connected with the sockets and with external leads. Ribs 10 on the base engage with recesses in the flange 6 and rings to prevent rotation. The sockets are mounted with their tops below the surface of the plate to purevent damage due to wrong insertion. In a modification for use as an adapter, the lower end of the base is closed by a disc carrying contact pins for engagement with the usual sockets of a holder. Reference has been directed by the Comptroller to Specification 242,443.
Patent GB-504103-A (GB)
Title: Apparatus for mixing liquors together and/or with solid particles
IPC: B01F27/71
Filed: 1938-09-24
Abstract: 504,103. Mixing-apparatus. LOCKERS (ENGINEERS), Ltd. (An. Tesch Aktiebolag, T.) Sept. 24, 1938, No. 27865. [Class 86] Apparatus for mixing liquids, or liquids and solids, comprises a propeller rotating on a shaft which describes a conical surface and is enclosed by a tube through which the material is circulated. As shown, the propeller shaft 3, surrounded by the tube 14, is carried in bearings 8, 9 and is driven by gears 5, 6. In this form the gyratory motion depends upon the resistance encountered by the propeller, and by the tube in its gyratory movement, and can be varied by braking the propeller shaft or its housing. In another form, the gyratory movement is effected by a separate train of gearing.
Patent GB-1047839-A (GB)
Title: Glass
IPC: C03C3/078
Filed: 1965-07-01
Abstract: A high colorant enriched glass frit made by melting a soda-lime flint glass containing at least 1% by weight of chromium oxides and also from 0.5 to 1.5% by weight of cupric oxide at from 2700 DEG  to 2780 DEG  F. (1482-1527 DEG  C.) is added to a colourless glass to produce a composite glass "emerald green" in colour.  The frit preferably has the following composition in wt. per cent: SiO2 63.87 to 65.89, Al2O3 0.53 to 0.55, Fe2O3 0.80 to 0.84, CaO, 8.53 to 8.81, MgO 0.41 to 0.42, Na2O 20.50 to 21.14, K2O 0.77 to 0.82, Cr2O3 1.00 to 3.00, CuO 0.53 to 1.59. A preferred base glass falls within the ranges SiO2 60-75, Al2O3 0.3-10, CaO + MgO 6-15, Na2O 12-18, K2O 0-0.5, BaO 0-0.5 and Se a trace.  In the production of composite glasses the coloured frit is added to the base glass in the forehearth in the ratio of 1 : 15 to 1 : 20. The composite glasses produced have good ultraviolet absorption properties.
Patent GB-1028849-A (GB)
Title: Improvements in and relating to discharging molten metal from furnaces
IPC: F27D99/00
Filed: 1963-07-15
Abstract: 1,028,849. Casting metals. A. W. PLUME. Oct. 15, 1964 [July 15, 1963], No. 27887/63. Heading B3F. [Also in Division F4] Molten metal is poured from the riser pipe 6 of the pouring chamber 4 by admitting air through an inlet 5 on the other side of a partition dividing the furnace chamber. The metal is heated by a resistance type electric immersion heater 3.
Patent GB-650157-A (GB)
Title: An improved machine for the intensive opening of fibrous materials
IPC: D01G9/06
Filed: 1948-10-27
Abstract: 650,157. Opening fibres. T.M.M. RESEARCH, Ltd., and HUNTER, W. A. Oct. 27, 1948, No. 27903. [Class 120(i)] A machine for opening textile fibrous materials, of the type in which a sheet of fibres is fed by suitable feed mechanism to a saw-toothed taker-in type beater, comprises a stripping beater 6 rotating at a higher peripheral speed than, and in the opposite direction to, the taker-in beater 5, and carrying on its periphery a series of flexible flaps 8 extending radially therefrom and operating to exercise a fanning effect to remove fibres from the teeth of beater 5. As shown, the tips of the flaps 8, which may consist of strips of leather or indiarubber sheet, make brushing contact with the tips of the teeth of beater 5; strips of wire-covered fillet material may be interposed on beater 6 between the flaps. Beaters 5 and 6 are enclosed in a common casing 7 to which air is admitted through an adjustable inlet 10; casing 7 is also furnished, opposite the ends of beaters 6, with further adjustable inlets which admit air to the hollow interior of beater 6 whence it is discharged radially between the strips or flaps to assist in stripping the teeth of beater 5. The fibres stripped from beater 5 are carried by the air current to condenser cages 13, 14. For treating dirty material, e.g. cotton, more knives or grid bars may be associated with either or both of beaters 5, 6. Specification 292,472, [Class 120(i)], is referred to.
Patent GB-1401175-A (GB)
Title: Pin chaplet
IPC: B22C21/14
Filed: 1971-06-15
Abstract: 1401175 Chaplets C SNAPE 14 June 1972 [15 June 1971] 27927/71 Heading B3F A chaplet is formed from a single piece of sheet material such as steel or plastics bent up to form a leg 10 (preferably tapering) to be embedded in a sand mould and a head 12 of rectangular section for supporting a core. For extra strength the head 12 may include a bent-up section as shown in dotted lines.
Patent GB-276531-A (GB)
Title: Improvements in or relating to steam engines
IPC: F01K7/02
Filed: 1926-11-08
Abstract: 276,531. Davey, H. Nov. 8, 1926. Compound &c. engines; cylinders.-In a compound &c. engine, the exhaust from one cylinder is passed around the heating-jacket of the subsequent cylinder before passing thereto to do work. The exhaust steam from the various cylinders in the jackets, and the cylinders themselves are heated by circulating boiler steam through helices in the cylinder jackets, the heating-steam moving in a closed circuit with the boiler supplying it and returning thereto with the condensate. The exhaust steam from cylinders b<1>, b<2> passes by pipes c<1>, c' to the jackets a<2>, a<3> and from thence to the cylinders b<2>, b<3> respectively. The cylinder jackets contain heating-coils e<1>, e<2>, e<3> supplied directly from the boiler by a branch h and which return thereto by drains g<1>, g<2>, g<3>. Pumping means may be arranged in the return connection. The coil in the high-pressure jacket may be dispensed with and only a jacket provided.
Patent GB-1223323-A (GB)
Title: Improvements in or relating to thermal plasma generators
IPC: H05H1/30
Filed: 1968-06-13
Abstract: 1,223,323. Induction plasma generators. HUMPHREYS CORP. 13 June, 1968 [21 June, 1967], No. 28083/68. Heading H5H. An induction plasma generator has a single gas inlet 24 leading to an annular chamber 98 from which an annular sheath of plasma forming gas issues to plasma chamber 102; the arrangement being such that the velocity is uniform about the circumference. The generator comprises a housing 20 provided with a main aperture 60 and a smaller diameter coaxial aperture 66. The main aperture 60 comprises two coaxial bores 62, 64. A gas distributer 70 is located in bore 62, bearing against shoulder 68 and an annular coolant distributer 80 is mounted in bore 64, an O-ring 88 being located in a recess formed between the tapered end of coolant distributer 80 and the flat end of gas distributer 70. A quartz plasma confining tube 22 having the same inner diameter as gas distributer 70 is received in an annular seat 90 of the gas distributer. The annular chamber 98 is defined between the continuous walls of gas distributer 70 and quartz tube 22 and the outer wall of a cylindrical plug 32 sealed into aperture 66. Gas enters an annular recess 72 in the gas distributer from whence it is injected by equispaced radial ports 74 into annular chamber 98. The housing 20 is secured by screws 58 to a plate 16, the gas distributer 70 and coolant distributer 80 being thereby accurately located in the housing and the quartz tube 22 being held firmly against seat 90 by O-ring 88. A second plate 14 carrying a pancake induction coil 34 is secured by screws 56 to plate 16. A water cooled probe 30 for introducing material to be heated is secured to plug 100. Coolant flows from earth terminal 52 through a passage 128 in a radial extension 10 to the inner end of coil 34 and through the coil 34 and a connector 120 to input terminal 124. Water also flows through a flexible conduit 130 connected to extension 10, the coolant distributer structure 80 to cool quartz tube 22, flexible conduit 132 to the inlet 108 of annular probe coolant channels, through the coolant channels 106, 112 and probe outlet 108, and conduit 134 to connector 120. The generator is supported by the extension 10. A radiation shield 54 of copper fits over the end of quartz tube 22. In an alternative arrangement the lower plate 14 is dispensed with and the pancake coil is replaced by a helical coil, the coil being supported by a supply terminal and the housing 20 being secured to a cantilever arm carried by the supply terminal. Argon and oxygen may be used for plasma gases. Metal and refractory materials may be worked or chemical reactions may be effected in the resultant plasma.