baber/WOPTO huggingface dataset:
Patent GB-1291363-A (GB)
Title: Improvements in channel-type induction furnaces
Inventor: FREDERIKSON BENGT
IPC: F27D11/06
Filed: 1970-02-19
Abstract: 1291363 Induction furnaces ALLMANNA SVENSKA ELEKTRISKA AB 19 Feb 1970 [20 Feb 1969] 7966/70 Heading H5H [Also in Division C7] Deposits, e.g. oxides, slag in the channels of a channel type induction furnace having at least two side channels, e.g. 29, 30, 31 leading from the hearth and joined at the ends remote from the hearth by a bottom channel 28 are prevented by the incorporation of at least one gas blowing nozzle, e.g 25, 26, 27, in the bottom channel in the region where at least one side channel joins the bottom channel. By suitably regulating the gas flow to the various side channels, e.g. by making the quantity of gas flowing through the porous plugs of the gas nozzles different, one way bath movement may be obtained. Thus, if a smaller quantity of gas is blown to the centre channel 31 than side channels 29, 30 the one way circulation is in the direction of arrows 36, whereas if more gas is blown into the side channels 29, 30 than centre channel 31, a one way circulation is obtained in the reverse sense. The channels may be curved (Fig. 2, not shown). The furnace is especially designed for aluminium, magnesium and their alloys. Inert gas (nitrogen or argon) or active gas, e.g. chlorine may be introduced during refining and degassing operations. The gas bubbles are said to be smaller than those obtained with a conventional gas lance so that the particles which would be deposited in the channels are carried to the hearth and hydrogen purification is more effective. More than three channels may be provided.
Patent GB-1220944-A (GB)
Title: Oil-impregnated wicking material
IPC: F16N7/12
Filed: 1968-02-19
Abstract: 1,220,944. Lubricating bearing material. PERMAWICK CO. Inc. 19 Feb., 1968 [28 Feb., 1967], No. 7975/68. Heading D1R. A wicking material comprises a lubricating oil and cotton linters fibres, the oil and fibres being admixed so that the oil is retained by the fibres. Preferably 96% of the fibres are less than 5mm. in length, the majority being less than 2.5mm. in length. The oil is preferably a bearing oil and the linters retain 4 parts of oil to one part of fibres, by weight. In a preferred embodiment 89.5% of the fibres have lengths greater than 1 mm with 84.5% of the fibres having lengths between 1 and 4mm.
Patent GB-511608-A (GB)
Title: An improved chair for infants
IPC: A47D1/04
Filed: 1938-03-15
Abstract: 511,608. Nursery chairs. GOOCH, A. A., and TIMBER GOODS; Ltd. March 15, 1938, Nos. 7984 and 13548. [Class 52 (ii)] An infants high.chair consists of a rigid frame comprising sides 1 and a back 3 and it can be set in an horizontal position, as shown, when platforms 15, 16, 18 constitute a back rest, seat, and footrest respectively, or stood upright when the back 2 and platforms 9, 11 constitute the backrest, seat and footrest respectively. Separate trays 8, 19 are provided for the two positions of the chair, the tray 19 being formed on the back 2 and provided with beads and the tray 8 having a rounded edge frame to facilitate cleaning and carrying metal buffers 14. The front feet are fitted with wheels 4. In a modification, the sides 1 are of open form and made up from rods.
Patent GB-1194813-A (GB)
Title: Improvements in and relating to Optical Arrangements
IPC: G03B27/52
Filed: 1969-02-14
Abstract: 1,194,813. Photo-copying apparatus; optical projection systems. RICOH K. K. Feb. 14, 1969 [Feb. 17, 1968], No.8057/69. Headings G2A and G2J. An optical arrangement comprises a lens 2; first and second inclined mirrors 3, 4 lying on opposite sides of the lens' optical axis; a third mirror 1 also on the optical axis and arranged so that light from a tubular source (6), Fig.1 (not shown) reflected by the first mirror 3 through the lens 2 is returned to the lens and directed towards the second mirror 4; and a shield 10 lying on the optical axis as shown, the shield being so profiled that the light impinging on the mirror 4 is reflected on to a planar surface to provide substantially even illumination thereof. In use, the lens, mirrors, and light are supported by a housing (7) slidably mounted for movement between an original (5) and a photo-copying sheet (8) for a scanning exposure. The shape of the leading edge 10a of the shield is arranged to correct for the characteristics of the light source (6) and the lens 2 so as to give an even distribution of light intensity over the sheet (8). The leading edge 10a, besides being curved, is reduced in width and a portion 10b of the shield is recessed.
Patent GB-944727-A (GB)
Title: Apparatus for feeding wrapping material to wrapping machines
IPC: B65B11/10
Filed: 1961-03-06
Abstract: 944,727. Wrapping-machines. MOLINS MACHINE CO. Ltd., and C. T. HALL. March 5, 1962 [March 6, 1961], No. 8063/61. Heading B8C. A web 1 of wrapping material, e.g. metal foil, is fed downwards in a packaging machine by rollers 7, 8, side slits defining flaps in the web are formed by blades 5A on a roller 5, and blanks B are severed between a cutting roller 8 and a fixed knife 9, after which camoperated pins 10 turn the flaps F in the direction of movement of articles C, e.g. cigarettes, to be packaged. Before the blank B is cut, the web is made taut by a roller 18 driven by a belt 19 from a pulley 21 and carried on framework 22 pivoted at 23. The roller 18 engages the web, and disengages after feeding the blank B downwards, under control of a cam 26 on the shaft of the roller 5. As the blank B is fed down the flaps F pass through slots defined between two pairs of folding plates 15, 16. The cigarettes C are pushed into the path of the blank B by members 12 on a chain conveyer 13, the blank being wrapped into U- shape between the bed 11 of the machine and a top plate 28. Specification 898,066 is referred to.
Patent GB-690074-A (GB)
Title: Improvements in or relating to sprayers for liquids
Inventor: MARKES DOUGLAS HENRY
IPC: B05B11/06
Filed: 1951-04-06
Abstract: 690,074. Spray-producers. METAL BOX CO.. Ltd. Jan. 16, 1952 [April 6, 1951], No. 8092/51, Class 69 (iii). A liquid container 2, of generally triangular shape, is constructed of thin sheet metal and houses the front end of a manually operated air pump, which forces air through a one-way valve 18 and slots 20, 21 into the container. Liquid is forced through a tube 23 to a mixing chamber 24a, Fig. 3, in a nozzle 5, and air passes through a tube 22 to the said chamber. The spray leaves an orifice 25, which is concentric with the end of the tube 23. The nozzle secured to the container by an annular, tapered, integral spigot 7, which is passed through an aperture in the container wall, and is upset to engage the aperture edge.
Patent GB-1028142-A (GB)
Title: Textile insulating material having spaced ground fabrics
Inventor: IBBETSON FRANK
IPC: D03D11/00
Filed: 1962-03-02
Abstract: A fabric for making inflatable articles is woven on a double plush loom in such a way that the two base fabrics can be separated to a spacing greater than that at which they are woven. The warp threads that cross from one base fabric to the other to determine the final spacing of the base fabrics are looped over and under intermediate scaffolding weft threads of soluble material so as to take a zigzag path.  The scaffolding thread are supported by interweaving them with the ground warp threads of the base fabrics, or with additional warp threads which also subsequently dissolve out, or with warpwise wires off which the fabric slides as it is taken up in the loom.
Patent GB-785967-A (GB)
Title: Improvements in or relating to leveller bar apparatus for coke ovens
IPC: C10B37/02
Filed: 1956-03-16
Abstract: 785,967. Levelling coke oven charges. COPPEE & CIE, E. March 16, 1956 [March 18, 1955], No. 8264/56. Class 51 (2). In apparatus for levelling the charge in a horizontal coke oven battery, the leveller bar 4 is carried by rollers 5 on a frame 2, which also supports, by rollers 8, a spillage container 9 having a nose 10 which is automatically introduced into the leveller bar door frame 11. The container is closed at the bottom by a pivoted flap 13 which is automatically raised to push spilt coal between the blades 3 of the leveller bar during its forward stroke. As the leveller bar moves forward, a stop 14 rocks an arm 17 lowering the distributer 16 of a pilot valve 15, allowing air to pass through a line 20 to a cylinder 21 and causing piston 22 to move the container 9 into position against the door frame 11. Further movement of the leveller bar causes the stop 14 to rock a lever 25, moving the spring-loaded distributer 26 of a pilot valve 28 to admit air to the line 30 which is connected to a relay valve 31 having a distributer 32. This latter is moved to the right admitting air to a pivoted cylinder 35 through line 34, to move a rod 45 and thereby to rock a crank 37 pivoted at 40 and to commence opening the flap 13. When the piston 36 reaches the end of its stroke, the rod 45 pushes a rod 46 integral with the distributer 47 of a spring-pressed pilot valve 48, admitting air through line 51 to restore the distributer 32 of the relay valve 31 and reverse the movement of the flap 13. When the leveller bar is withdrawn, the stop 14 rocks lever 25 without affecting the pilot valve 28 and eventually rocks lever 17 reversing the distributer 16 and causing the spillage container 9 to be retracted. In a modification, Fig. 6 (not shown), a spillage channel is provided behind the container 9 in case the surplus coal is more than the container can hold, and in a further modification, Fig. 7 (not shown), the flap 13 is replaced by a vertically movable base plate.
Patent GB-1537521-A (GB)
Title: Drycleanable raised printing on fabrics
IPC: D06M23/12
Filed: 1976-03-02
Abstract: 1537521 Printing of textile fabrics PRATT & LAMBERT INC 2 March 1976 08339/76 Heading D1B Washable and dry-cleanable raised representation are obtained on fabric substrates by printing the substrate with a printing composition comprising an adherent film-forming cross-linkable polymer binder in a liquid vehicle therefor, said composition containing 1 to 45 percent by weight based on the weight of the binder of thermoplastic, thermally expandable microspheres in said binder, heating to expand said microspheres and cross-link said polymer binder, and curing the crosslinked polymer binder at a temperature of about 300‹F for a period of 1 to 3 minutes. The microspheres may be of diameter 0.5 to 300 microns and the cross-linkable polymer binder may be ethylacrylate copolymerised with an addition copolymerisable carboxylic acid group containing monomer. Difunctional amines are used as cross-linking agents. Overprinting with a binder composition which does not contain microspheres is effected after curing.
Patent GB-492712-A (GB)
Title: An anode material for anodic incandescent lamps and method of producing same
IPC: H01K11/00
Filed: 1937-03-22
Abstract: An anode material for lamps in which the light is emitted from an anode subjected to a modulated electron bombardment is of a cellular structure with walls less than 1/100 mm. thick, reproducing the structure of some animal or vegetable substance in material which does not volatilize or melt easily in a vacuum. For example, elder pith is boiled in a solution of sodium tungstate and the tungsten precipitated as oxide.  The material is then carbonized and the carbon removed by heating in a stream of hydrogen or hydrocarbons which also convert the oxide to metal, or carbide.  The cell walls may be thinned in this way before the refractory substance is added. The Specification as open to inspection under Sect. 91 also states that the carbonized and reduced organic structure may be employed without the addition of a refractory material and that the metallic material may be deposited from a vapour, e.g. tungsten chloride. This subject-matter does not appear in the Specification as accepted.
Patent GB-896473-A (GB)
Title: Process for the manufacture of moulded products from expanded polystyrene
IPC: B29C44/56
Filed: 1959-03-11
Abstract: A sheet of expanded polystyrene is moulded by pressing for a predetermined time between plates at least one of which is heated, and one of which is recessed to form on its inner or under surface a pattern in relief which it is desired to impart to one surface of the polystyrene sheet, and then cooling the sheet so as to set and fix the pattern applied thereto.  The sheet is heated for a few minutes within the range 80 DEG C. to 95 DEG C. by the plates which may be hollow and heated by steam, hot water, or electricity.  The sheet may be cooled by a blast of cool or cold air on to its surface.
Patent GB-765051-A (GB)
Title: Improving the properties of kenya cedar and other woods
IPC: B27K3/15
Filed: 1955-03-23
Abstract: 765,051. Treating wood. DOW CHEMICAL CO. March 23, 1955 [April 29, 1954], No. 8513/55. Class 140. A method for improving the cutting characteristics of wood, without materially softening it, comprises subjecting the wood to full cell impregnation with a water-miscible solution of from 1 to 25 per cent by weight of a compound consisting of polyethylene glycol, having a molecular weight of at least 6000 and a melting point of at least 60‹ C., or a water-soluble ether or ester thereof, and drying the impregnated wood slowly. In making pencils from Kenya cedar the wood is cut into pencil slats which may then be impregnated at room temperature' for periods of from 4 hours to 2 days. The slats may then be drained for several days and are then dried to the required moisture content in the course of from 4 to 20 days. Specified esters and ethers of polyethylene glycol are the mono- and di-laurates, oleates and stearates, and the mono-allyl ether, the mono-sec. butylphenyl ether and the monoethyl ether. Specified solvents are water, ethanol and acetone. There may be added to the solution of the polyethylene glycol compound a wood hardener, soluble in the same medium, such as glucose, fructose, lactose, phenol formaldehyde resins, urea- or melamine-aldehyde resins, toluene sulphonamide aldehyde resins, polyacrylamide, polyacrylic acid, polyvinylalcohol and polyvinylsulphonic acid. Specification 352,042, [Group III], is referred to.
Patent GB-328735-A (GB)
Title: Arrangement for the smooth coupling in correct phase of rotating parts
IPC: F16D23/04
Filed: 1929-03-15
Abstract: 328,735. Siemens & Kalske Akt.- Ges. Oct. 15, 1928, [Convention date]. Addition to 307,836. Copying-telegraphs.-The pin - and - inclined - groove arrangement described in the parent Specification for delaying engagement of the positive clutch h, k is replaced by the spring-returned piston p of an airdashpot l, disposed in the coned part a<1> and provided with a leak-passage s. The friction cone b is now slidably connected to the driving-shaft a by a pin u and groove w, the drum g being moved axially by gravity or by spring or magnetic means as before.
Patent GB-564044-A (GB)
Title: Improvements in electric cables
IPC: H01B7/18
Filed: 1943-05-27
Abstract: 564,044. Electric cables. OKONITE CO. May 27, 1943, No. 8514. Convention date, July 3,1942. [Class 36] An electric cable suitable for low tension work is constructed of a centrally disposed conductor 2 covered with wound paper insulation 4, and a bare copper conductor 6 enclosed in a sheath 8 of rubber or rubber-like material such as thiokol. The whole may be enclosed in a metal sheath, or a helically wound paper armouring 10 impregnated with terpin hydrate, or equivalent material to render the armouring impervious to water. Fortifiers such as cuprous stearate, or zinc stearate may be added to the terpin hydrate.
Patent GB-909988-A (GB)
Title: Grating
IPC: E04C2/42
Filed: 1961-03-08
Abstract: 909,988. Gratings; treads. RELIANCE STEEL PRODUCTS CO. March 8, 1961 [April 21, 1960], No. 8519/61. Classes 20 (4) and 107. A grating, particularly for highway bridge floors, comprises two sets of intersecting bars joined together and members, secured to the top of the grating and extending above the level of at least one set of bars, which have abrasive grains adhering to them to provide a tread surface. As shown, Fig. 5, members 4 have flanges 5 welded or otherwise secured to bearer bars 2 and a channel portion 6 containing abrasive grains of e.g. alumina or silicon carbide bonded with an epoxy resin such as dihydric phenol, and a curing agent, preferably a polyamine such as diethylene triamine. The base of the channel portion 6 may be flat. In a grating in which the upper edges of both sets of bars are level the flanges 5 of the members 4 are notched to fit over the cross-bars. In another embodiment. Fig. 4, channel members 27 containing abrasive material 29 are welded to the sides of the bars 2. In a further embodiment, Fig. 8, the bars 2 are of roughly I-section and the member 4 is a rolled or extruded H-section, the upper flanges 19 of which may converge slightly upwardly. In a still further embodiment, the channel member comprises short lengths mounted on one set of bars and extending between the other set.
Patent GB-565893-A (GB)
Title: Improvements relating to slicing machines
IPC: B26D7/01
Filed: 1943-05-28
Abstract: 565,893. Slicing machines. BERKEL & PARNALL'S SLICING MACHINE MANUFACTURING CO., Ltd., and THOMAS, W. May 28, 1943, Nos. 8551 and 17978. [Class 28 (ii)] The slice thickness gauge regulating mechanism for a slicing-machine is set by turning a handle 30 which rotates an eccentric head 35 and acting through an eccentric socket 39, cylindrical spigot 37, slide block 43 and face plate 44 displaces the gauge 29 as required, the setting being thereby maintained by friction (on the surfaces 37, 39 and 40, 43) which is sufficient to prevent displacement of the setting. The gauge 29 is secured to a bracket 29A which is slidable on guide rods 32, 33, the sleeve 45 being undercut so that the gauge can be rotated up out of use around the rod 33. A spring washer 47 maintains the handle 30 and its adjusted position against a boss 48 on the base. To increase the range of slice thickness, the eccentric head 35 may be made in two parts 50, 51, Fig. 9, the block 51 being strap-like and with an adjustment screw. 40, by means of which to regulate the diameter of the socket 39 and therefore the fit of the socket on the cylindrical surface 37 of the spigot 37A. The eccentric adjustment from the handle shaft 34 may be modified as in Fig. 13, in which interchangeable shims 64 of different thicknesses may be used, and the thrust faces 38 of the thrust member 36 are presented by a fork 65 instead of the open centre block 43. In Fig. 15, the thrust member is a slide block 70 into which fits an eccentric 71 on the handle shaft 34. Flange plates 76 clamped to the eccentric provide rims to engage the block 70 and maintain the eccentric and slide block in correct relationship.
Patent GB-1492133-A (GB)
Title: Process for the manufacture of a catalyst for the polymerization of alpha-olefins
IPC: C08F10/00
Filed: 1975-02-28
Abstract: 1492133 Olefin polymerization catalysts HOECHST AG 28 Feb 1975 [30 Jan 1975] 8564/75 Heading C3P Olefins having 3-10 carbon atoms may be polymerized in the presence of catalysts formed by reacting a dialkyl aluminium chloride with titanium tetrachloride in a molar ratio of 0À8 : 1 to 1À5 : 1 in an inert hydrocarbon at -20 to +20 C., separating and washing with inert hydrocarbon the solid reaction product, subjecting it to a thermal treatment in suspension in an inert hydrocarbon in the presence of a dialkyl ether and a cyclopolyene, after-treating the product with an alkyl aluminium halide, the product being separated and washed with an inert hydrocarbon when the aluminium compound is other than an aluminium dialkyl halide, and mixing the product obtained with a dialkyl aluminium halide and optionally a cyclopolyene. Specified olefins are C 3-8  α-olefins, optionally with ethylene, and the polymerization may be effected in the presence of hydrogen. In examples propylene and 4-methylpentene-1 are polymerized in the presence of catalysts formed by reducing titanium tetrachloride with ethyl aiuminium sesquichloride, thermally treating the product in the presence of di-n-butyl ether and cycloheptatriene-1,3,5, after-treating with diethyl aluminium chloride in the presence of aycloheptatriene - 1,3,5, cyclooctatetraene- 1,3,5,7 or propylene, and mixing with diethyl aluminium chloride.
Patent GB-374181-A (GB)
Title: Improvements in and relating to educational music charts
IPC: G09B15/02
Filed: 1931-03-20
Abstract: 374,181. Teaching music. LOSSIE, A. L., 327, East Gray Street, Louisville, Kentucky, U.S.A. March 20, 1931, No. 8682. Drawings to Specification. [Class 88 (ii).] A foldable music chart has flexible hinges and is provided with the representation of a staff on which models of the various musical symbols may be disposed. Reference has been directed by the Comptroller to Specifications 15978/88 and 2861/90, [both in Class 88, Music &c.].
Patent GB-558292-A (GB)
Title: Improvements in or relating to carbon-zinc elements for use in dry cells
IPC: H01M4/06
Filed: 1942-06-25
Abstract: 558,292. Synthetic resin composition. LORD, W. E., and WILKINSON, G. H. June 25, 1942, No. 8699. [Class 2 (iii)] [Also in Group XXXVI] Carbon-zinc elements for use in dry cells of the superposed-layer type are made by applying to a zinc plate a composition comprising carbon black, coarse particles of graphite, and a binder preferably containing an artificial resin of the phenol-aldehyde type which is soluble in and reacts with a drying-oil. In order to avoid reducing the size of the graphite particles, the composition is mixed as distinct from ground, so as to obtain a rough surface after the binder has hardened. The mixture may be applied to the zinc plate with a scraper having a serrated edge so as to corrugate the exposed surface. The varnish may comprise " Epok " (Registered Trade Mark) resin R.18, raw tung oil, linseed stand oil, litharge, manganese linoleate, and white spirit, or the resin known in the trade as " XRB 254 " may be used. Alternatively the varnish known as " G.C. 129 " may be used. The complete mixture may comprise 240 parts by weight of varnish, 103 parts of graphite, and 33 parts of carbon black.
Patent GB-1009714-A (GB)
Title: An alternating current magnetohydrodynamic generator
Inventor: YANO SYUKURO
IPC: H02K44/08
Filed: 1964-01-23
Abstract: 1,009,714. Generators operating by electromagnetic interaction with fluids. NIHON GENSHIRYOKU KENKYU SHO. Jan. 23, 1964, No. 8710/62. Heading H2A. In a magnetohydrodynamic generator an ionized plasma is introduced perpendicular to a rotating magnetic field to generate at electrodes two groups of multi-phase electric currents spaced apart from one another by a predetermined phase angle. As shown, a dodecagonal duct is bounded by electrodes P 1 , P 2  . . . Q 1 , Q 2  . . . which are separated by insulators 11 and are connected to form two groups P 1 P 1 <SP>1</SP>, P 2 P 2 <SP>1</SP>, P 3 P 3 <SP>1</SP> and Q 1 Q 1 <SP>1</SP>, Q 2 Q 2 <SP>1</SP>, Q 3 Q 3 <SP>1</SP> which are displaced by 90 degrees. When the plasma in the duct is subject to a rotating magnetic field each group carries 3-phase alternating currents since the pairs of electrodes are phase displaced by 120 degrees. Group P collects component E 11  and group Q collects component E 12  of the generated e.m.f. E and the latter is supplied to the field windings F 1 , F 2 , F 3  so that the load voltage can be made nearly equal to the rated voltage. Reference has been directed by the Comptroller to Specification 918,544.