baber/WOPTO huggingface dataset:
Patent GB-236365-A (GB)
Title: Improvements relating to circular grinding machines
IPC: B24B47/20
Filed: 1924-06-24
Abstract: 236,365. Churchill Machine Tool Co., Ltd., and Asbridge, H. H. June 24, 1924. Rollers, spindles, rods, tubes, and the like, treating.-In a cylindrical grinding-machine, in which the work slide is reciprocated and the grinding-wheel is adapted to be fed laterally, the work is given short quick axial strokes in order to keep the face of the wheel true. The machine is driven from a shaft a and the slide is reciprocated through bevel gearing d, e, g, a clutch f, and a rack b and a pinion k. The movement of the slide may be obtained automatically, or by hand by movement of a double clutch sleeve m slidably mounted on a shaft c carrying the bevelwheel g. The shaft c carries a crank-disc w having thereon a crank-pin x, which is connected by a link y with a collar z loosely mounted on a member 3 keyed to a sleeve 4 free on a shaft 5 carrying the pinion k. The collar z has two arms 6, 7 carrying screws 8, 9. which engage a lug 10 on the member 3, whereby the member and the sleeve 4, are oscillated, and the extent and starting position of the oscillation may be adjusted. The sleeve 4 at its inner end forms one face of a friction clutch, the other face of which is on the pinion k. In operation, the clutch sleeve m is placed in neutral position and the sleeve 4 is pressed against the pinion k by tightening a nut 11.
Patent GB-662009-A (GB)
Title: New or improved device for automatically controlling the flow of liquid
IPC: F24D17/00
Filed: 1949-06-10
Abstract: 662,009. Fluid-actuated valves. ELLIOTT, R. E. June 10, 1949, June 14, 1948. No. 15528/49. Class 135. In a device for automatically controlling liquid flow, particularly for hot-water systems, the valve 9, opened by supply pressure in the pipe 6 assisted by spring 35, is closed by the weight of liquid in a tank 1 exceeding a given value. Water from the tank is syphoned by the pipe 11 into a boiler when hot water is taken from the system, so that the tank pivots in an anticlockwise direction about a pin 26 under the weight of water in two counterbalance tanks 23 connected by orifices 25 to the tank 1 (the orifices allowing a smaller rate of liquid flow than the pipe). This removes the pressure of the roller 30 carried by the tank from a lever 31 bearing on the valve stem 7 so that the valve allows water to flow to the boiler. When the boiler is full and no water is taken from the system, water flows up the boiler expansion pipe and flows into the tank 1 which then swings in a clockwise direction to close the valve. In a modification, the valve operating lever is secured to a tank which, under the weight of water, oscillates substantially vertically.
Patent GB-761359-A (GB)
Title: Lubricating oil composition
Inventor: DAVIES ROY TREVOR
Filed: 1953-06-05
Abstract: A mixture of a low-temperature polyisobutylene and a low-temperature copolymer of an iso-olefine containing less than seven carbon atoms with a polyolefine having 4 to 14 carbon atoms is incorporated in a mineral lubricating oil to improve its viscosity index. Polyisobutylene is the preferred iso-olefine and the polyolefines mentioned are butadiene, isoprene, piperylene, dimethyl allyl, dimethylbutadiene and myrcene.  In a modification the polymer-copolymer mixture is degraded by heat or shear, e.g. by milling or extruding if desired, in the presence of a rubber vulcanization accelerator such as mercaptobenzthiazole (others are listed).  Specification 717,437 is referred to.ALSO:A lubricating composition of improved viscosity characteristics and tackiness comprises a mineral lubricating oil and a mixture of a low temperature polyisobutylene and a low temperature copolymer of an iso-olefine containing less than seven carbon atoms and a poly-olefine having from 4 to 14 carbon atoms per molecule. Polyisobutylene is the preferred iso-olefine and the poly-olefines may be butadiene isoprene, pipenylene, dimethyl allyl dimethyl butadiene or mycene.  In a modification the polymer-copolymer mixture is degraded, preferably by shearing in the presence of a rubber vulcanization accelerator e.g. mercaptobenzthiazole.  Specification 717,437 is referred to.
Patent GB-529847-A (GB)
Title: Substituted phthalocyanines
IPC: C09B47/08
Filed: 1939-05-25
Abstract: 529,847. Dyes. HADDOCK, N. H., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. May 25, 1939, No. 15564. [Class 2 (iii)] Metal-free and metallic tetra-(4)- and tetra- (3)-aminophthalocyanines are made by reducing the corresponding tetra-nitrophthalocyanines by means of reducing agents of the alkali sulphide class (including sodium sulphide, sodium hydrogen sulphide and sodium disulphide), stannous chloride or sodium hydrosulphide. The metallic tetra-nitrophthalocyanines may be made by treating a compound of the desired metal or the metal itself (copper, cobalt, nickel, aluminium, lead or magnesium) with 3- or 4-nitro-phthalodinitrile or 3- or 4-nitrophthalic anhydride and urea. Metal-free tetra-nitrophthalocyanines may be made by heating the nitro-phthalodinitrile with calcium oxide. The amino compounds may be diazotized, and the diazo compounds may be converted into stable salts with zinc chloride, cadmium chloride or naphthalene sulphonic acids. The diazo compounds may be used as diazo components in the preparation of colouring matters. In examples, copper tetra-(3 or 4)- nitrophthalocyanine is reduced with sodium hydrosulphite, sodium hydrogen sulphide, sodium sulphide, sodium disulphide and stannous chloride, and cobalt and metal-free tetra-(4)-nitrophthalocyanines are reduced with sodium hydrogen sulphide. The diazotization of copper tetra-(4)-aminophthalocyanine and the preparation of the zinc chloride double salt is also described.
Patent GB-233555-A (GB)
Title: An improved method of motor and other road vehicle body construction
IPC: B62D65/00
Filed: 1924-06-30
Abstract: 233,555. Bennett, F. T. June 30, 1924. Doors for passenger vehicles are formed in one panel, in channel-section bars, and can have a top panel either in wood, as shown, or in channelsection bar continued to form the housing cf the glazed panel v when it is raised.
Patent GB-333638-A (GB)
Title: Improvements in or relating to two-stroke internal combustion engines
IPC: F02B25/00
Filed: 1929-05-21
Abstract: 333,638. Ricardo, H. R. May 21, 1929. Cylinders receiving liquid fuel. - In opposed piston engines wherein tangential admission ports A<1> cause a rotary motion of the air within the cylinder, the pistons are out of phase, so that during the fuel injection period, the piston E which controls the air admission ports A<1>, is moving towards the combustion chamber D to ensure axial movement of the whole body of the air. The combustion chamber is of less diameter than the cylinders, and may be of pure Venturi shape or of the shape shown in Fig. 4. One or more fuel injection nozzles N are arranged to give a radial jet or as shown in Fig. 4 they may be placed to one side so that the fuel jet is along the combustion chamber.
Patent GB-1176825-A (GB)
Title: Photographic Paper.
Inventor: CRAWFORD IRVIN HENRY
IPC: G03C1/825
Filed: 1967-04-06
Abstract: 1,176,825. Photographic supports. EASTMAN KODAK CO. 6 April, 1967 [8 April, 1966], No. 15860/67. Heading B2E. [Also in Divisions Dl and G2] A photographic support comprises a paper base carrying a layer of a polyolefin on each side, at least one layer containing a white pigment together with an optical brightening agent and/or a blue pigment. The pigmented polyolefin layer may contain a blue pigment and a magenta pigment or a blue pigment and an optical brightening agent. The optical brightening agent may be a bis benzoxazole-2-yl thiophene compound. The pigmented layer may contain up to one per cent by weight of the blue pigment and may contain between 0.02 and 0.5 per cent by weight of the optical brightening agent. Preferred paper bases have a high alpha-cellulose content and a wet strength resin e.g. melamine- or urea-formaldehyde, or cationic thermosetting polyamideepichlorohydrin resin, incorporated therein. The polyolefin may be polyethylene, polypropylene or propylene-ethylene copolymer. The polyolefin-white pigment e.g. titanium dioxide, may be extruded as a melt on to the paper and then subjected to pressure by means of a chill roll. The paper may be electron bombarded or primer coated prior to the application of the polyolefin layer. The polyolefin layer may be electron bombarded prior to the application of the photographic emulsion.
Patent GB-1201103-A (GB)
Title: An improved slide projector
Inventor: WILLS DAVID CHARLES
IPC: G03B23/00
Filed: 1968-04-02
Abstract: 1,201, 103. Slide projectors. GAF CORP. April 2, 1968, No. 15883/68. Heading G2A. A slide projector for use with slides having a subject portion and a title portion 28 on the opaque frame of the slide 18, has means for displaying the title, as illumined by projector lamp 14, on a screen 44 for viewing by the operator only. A lens 48 forms the viewed title image 46. In another form, intermediate mirrors, one of which is axially adjustable, direct the image 46 on to the screen 44. Alternatively, the screen may be omitted and the title viewed in the final mirror. In a further variation, lens 48 and screen 44 are omitted and the illumined title is viewed directly through mirrors.
Patent GB-379728-A (GB)
Title: Improvements in method of producing candy centers and candy center making machines employing such method
IPC: A23G3/02
Filed: 1931-06-01
Abstract: 379,728. Moulding confectionery. WERNER & SONS, Inc., J., 713, Lake Avenue, Rochester, New York, U.S.A. June 1, 1931, No. 15942. Convention date, May 31, 1930. [Class 87 (ii).] In a candy-moulding machine of the kind in which an endless conveyer for moulding material is caused to travel to a printing position, to a candy depositing position, and then through a drying and conditioning chamber to a discharging station, the endless conveyer comprises a belt having a continuous supporting surface upon which the moulding material is fed. As shown, a belt 2 carried by pulleys 3, 4 passes in succession beneath the spout 19 of a starch buck 1 which deposits starch on the belt, a printing device 23, and a candy depositor 34 to a conditioning housing 35 through which is circulated air at a desired temperature and humidity. When the belt passes over the pulley 4, the candy and starch fall upon an endless conveyer 36 from which they are conveyed by a transverse conveyer 40 and inclined conveyer 41 to the starch buck 1, which separates the starch from the candy and redelivers it to the belt 2. The conveyers 36, 40, 41 are enclosed by the conditioning housing 35. The printing device 23 comprises a flat plate provided on its under surface with a plurality of mould-forming projections and with a marginal flange projecting beyond the projections to prevent the starch from spreading during moulding. The printing device 23 is supported by guide rods 24 provided at their lower ends with yokes 26 carrying rollers 26a which engage in grooves in cams 27 secured on a shaft 28. The shaft 28 is driven from the driving-shaft 18 through gearing 31 and a belt 29. The belt 2 is advanced step-by step-by-the engagement of a pawl 8 with a toothed wheel 7 secured on the shaft of the pulley 4, the pawl being carried by a swinging-lever 9 operated from the shaft 18 through gearing, a shaft 14, bevel gearing 13, an eccentric 11, and a pitman 10.
Patent GB-117373-A (GB)
Title: Improvements in Power Driven Farming Implements.
Inventor: POWERS PATRICK
IPC: A01B51/02
Filed: 1917-11-01
Abstract: 117,373. Powers, P. Nov. 1, 1917. Reaping and mowing machines. - A powerdriven machine for farmers' use comprises a frame 10 supported by two front driven rollers 22, 23 and a rear steering wheeled castor 59. The rollers 22, 23 are carried on shafts 17, 18 provided with spring fitted outer and inner axle boxes 15, 19 respectively. The rollers are independently driven by chains 25 from sprocket-shafts 26 carrying bevel gears meshing with similar gears on shafts 30. The shafts 30 are adapted to be independently driven in either direction bv moving one or other of a pair of bevel gears splined to a power shaft 32 into engagement with bevel gears 31 carried by each of the shafts 30. Each pair of gears is moved along the shaft 32 by a handlever 42 operating a lever mounted on a pivot 40 and connected to an adjusting arm 36. The levers 42 move in gateways 43 recessed to enable the levers to be set to drive the rollers in either direction or to free them from the drive. The wheeled castor 59 is mounted in a bearing 57 carried by a king bolt 56 passing through the frame 10 and provided with a sleeve 60. The sleeve 60, on which are formed gears 62, 63 engaging with gears 65 and 66 on the castor 59 and on a driving shaft 67 respectively, has arranged between it and the frame 10 a ball race provided with antifriction balls 64. The shaft 67 carries at its forward end a friction wheel 68 which can be engaged to drive the wheels of the castor in either direction by one or other of two disks 72 on a shaft 70 driven by chain gearing from the shaft 32. Any suitable device is used to move the castor for steering purposes. The front end of the frame 10 carries adjustable supports on which arms 85 supporting a reaper or the like are pivoted. The arms 85 may be swung about their pivots by connexions to a hand-lever and quadrant. The cutter of the reaper is driven through a telescopic shaft 96 from bevel-gear 99 at the end of the roller shafts. One side of the frame 10 is cut away at an angle to support brackets 46 in which plough beams 47 are pivoted.
Patent GB-401993-A (GB)
Title: Improvements in roller bits for drilling wells and the like
IPC: E21B10/10
Filed: 1933-06-02
Abstract: 401,993. Drilling wells. GIESEY, R., 505, N. W. 34th Street, Oklahama, U.S.A. June 2, 1933, No. 16000. [Class 85.] A roller bit for well drilling comprises a head 1 with bearing extensions 3, 4, with downwardly open slots 5, 6, and inner walls 7, 8, at different angles to the axis of the head; a pin 9, with flanges 14,15, has roller cutters 16, 19, 20, mounted on parts 10, 11, thereof, preferably on roller bearings 24, and the assembly is moved upwardly to bring the ends 12, 13, of the pin into the slots 5, 6, of the head, the pin being then welded to the head. Washers 17, 22, may be arranged on the outer sides of the cutters and have keys 18, 23, engaging the slots 5, 6.
Patent GB-255050-A (GB)
Title: Improvements in evaporators for steam power plants
IPC: B01D1/26
Filed: 1926-06-25
Abstract: 255,050. Akt.-Ges. Brown, Boveri, et Cie. July 9, 1925, [Convention date]. Water. distilling.- Feedwater is obtained by distillation from a number of evaporators d<1>-d<3> heated by steam tapped off from various pressure stages b<1>-b<3> of a turbine a. The steam generated in the evaporators passes into preheaters f<1>-f<3> through which the boiler-feed water is forced in succession by a pump i. The condensate from the heating coils e<1>-e<3> mav be passed through valves g<1>-g<3> into the preheaters. Condensed water from the preheaters is forced by a pump k into the feed water pipe. A multistage pump h may be used to supply make-up water to the evaporators.
Patent GB-641325-A (GB)
Title: Improvements in or relating to seats
IPC: A47B83/02
Filed: 1948-06-15
Abstract: 641,325. Brackets. CURRY, R. E. June 15, 1948, Nos. 16056 and 16853. [Class 52 (v)] A bracket comprises a frame 10 having an upstanding rim and provided with one or more arms adapted to engage opposite sides of a vertical support. As shown, the rimmed frame 10 can be used as a seat, table or tray holder and is provided with curved arms 13, 14 engaging opposite parts of a vertical support 24. In another form the frame may have upper and lower rims so as to be reversible and is provided with an arm having a sleeve to embrace the vertical support or column such as a table leg, the sleeve having a curved slot formed therein to engage a pin projecting from the support.
Patent GB-184926-A (GB)
Title: Improvements in and relating to flow meters
IPC: G01F1/37
Filed: 1921-06-10
Abstract: 184,926. British Thomson - Houston Co., Ltd., (General Electric Co.). June 10, 1921. Measuring g-apparatus. - flow meters of the type comprising a pressure-difference creating device connected to a manometer are adapted to operate satisfactorily when subjected to continuous motion, for instance on shipboard, by providing valve mechanism for connecting the device to the manometer only at the times when the ship is substantially horizontal. The manometer comprises a well 11 formed by a tube bent to form a segment of a circle and having its upper ends connected by a passage 13 to which the leading pressure pipe 16 is connected. The manometer tube 12 is ccnnected to the well at its lowest point, and the zero reading is arranged to be at the centre of the well. Communication between the trailing pressure pipe 25 and the tube 12 is governed by a double valve 30, 31 adapted to co-operate with seats 27, 28. The valve is weighted at 33 and suspended by a spring 35 of such strength that with the meter stationary the valves are off their seats. In modified forms, the valve may be applied to the leading pressure pipe, or to both pressure pipes.
Patent GB-840769-A (GB)
Title: Manufacture of tobacco smoking products
IPC: A24B15/12
Filed: 1956-05-24
Abstract: Tobacco sheets are formed from finely-ground tobacco particles mixed with a binding agent comprising a water-soluble cellulose of the non-salt type (i.e. excluding salts such as sodium carboxymethyl cellulose) and an acid.  Examples of cellulose derivatives given are methyl cellulose, hydroxyethyl cellulose, methyl hydroxyethyl cellulose and methyl hydroxypropyl cellulose. The acid, which adjusts the pH value of the paste to the range 3.0 to 5.5, may be malic, citric, tartaric, phosphoric or boric acid, and serves to improve the colour of the resulting sheet.  Further ingredients which may be added to the tobacco slurry include glycerine, sorbitol, glycol, diatomaceous earth and siliceous catalysts.  U.S.A. Specifications 2,592,553 and 2,706,695 are referred to.
Patent GB-1207676-A (GB)
Title: Improvements in or relating to apparatus for spreading fluent material
Inventor: FLEMING JOSEPH
IPC: A01C23/04
Filed: 1967-04-11
Abstract: 1,207,676. Spreading apparatus. J. FLEMING. 16 April, 1968 [11 April, 1967], No. 16190/67. Heading A1O. A spreader apparatus for fluent material, e.g. manure, includes a container 10 having a closable aperture 13 and a pump 14 located in a tank 16 mounted internally or externally of the container which contains a coolant 21 for the pump. To fill the container via aperture 13 a two-way valve 20 is opened, three-way valve 22 is closed to the atmosphere whilst three-way valve 25 is opened to the atmosphere and closed to a pipe 26. The pump can then exhaust the air from the container and provide suction. When the container is full, valve 20 is closed. For spreading of the material valve 22 is opened and valve 25 is closed to the atmosphere and opened to the pipe 26 so that the pump delivers air to a chamber 28 and thence to a tube 29 creating turbulence of the contents and pressurizing the container. The aperture 13 is opened a predetermined amount through which the manure passes under pressure causing a spray effect in the distribution of the manure. The pump is driven by a tractor (not shown), the drive being through a pump shaft and gears 34. A deflector plate may be fitted to aperture 13 and there may be a series of tubes of varying length to replace tube 29. A non-return valve 27 is provided between pipe 26 and chamber 28.
Patent GB-456010-A (GB)
Title: Improvements in and relating to the packing of safety razor blades
IPC: B65D83/10
Filed: 1935-06-04
Abstract: 456,010. Packing razor blades. HEIDE, H. C., 2, Broad Street Buildings, London.- (Muros, J. ; 271, Claflin Street, Belmont, Massachusetts, U.S.A.) June 4, 1935, No. 16255. [Class 94 (i)] A double-edged safety razor blade 10 apertured for engagement with the positioning projections of a safety razor holder has its edges protected by over-lapping edge-free cover sheets 14 secured to its opposite faces by an adhesive, such as spots 17 of petroleum jelly, the cover sheets being slotted at 16 to clear the blade positioning means of the razor holder, and being initially rectangular in outline and scored or weakened transversely, as at 18, in a location whereby they may be converted to U-shaped configuration by tearing. The blade shown is of the type disclosed in Specification 351,982, [Group XIV]. The sheets 14 comprise a folded leaf of waxed paper or the like, and a number of such sheets with blades may be bound into book form inside an outer cover 22 of pasteboard or the like provided with an outer folded end 23 removable along scored or perforated lines. The act of tearing a " leaf " from the book along the perforations 18 opens the inner end of the slot 16, and the protected blade can then be inserted in a razor holder, such as that described in Specification 430,030, [Group XIV], and the cover sheets then slipped off the blade.
Patent GB-1080433-A (GB)
Title: Packaging of surgical gauze sponges and the like
IPC: B65D83/08
Filed: 1966-04-13
Abstract: 1,080,433. Packaging; dispensing boxes. PARKE, DAVIS & CO. April 13, 1966 [April 14, 1965], No. 16285/66. Headings B8C and B8P. A carton or bag 10 contains discrete groups of articles 18, 20, 22 &c., eg: surgical sponges; arranged in layers and a contents removing device consisting of strips 36 extending in a zig-zag fashion between the groups from the top to the bottom of the package, the lower end portion 39 of the strip extending upwards between the edge of the lowest group 32 and the package wall. The end 39 may be held frictionally between the package wall and the groups, the sponges being held slightly compressed in a tight fitting bag, Or may be alternatively secured to the bag wall. The strip may be coloured to contrast with the sponges. The strip may extend the full package width or may be a string of tape as shown.
Patent GB-518762-A (GB)
Title: Improvements in and relating to the manufacture of iron
IPC: C21B5/04
Filed: 1938-06-01
Abstract: 518,762. Extracting iron. BRASSERT & CO., Ltd., H. A., BRASSERT, H. A., and COLCLOUGH, T. P. June 1, 1938, No. 16393. [Class 72] In the production of pig iron in a blast furnace in which the ores and fluxes are mixed in such proportions as to form acid slags of relatively low melting point, more particularly as described in Specification 460,138, and 475,345, the blast temperature is maintained at between 400‹F. and 850‹F. The molten pig iron may be desulphurized after it is tapped from the furnace.
Patent GB-825892-A (GB)
Title: Tabletting process
Inventor: SMITH JOHN REES
IPC: A61K9/20
Filed: 1957-05-24
Abstract: Tablets containing meprobamate are made by a process whereby, prior to tableting by known techniques, the meprobamate either alone or admixed with pharmaceutically acceptable diluents, carriers, disintegrating agents, lubricating agents, is heated until sintering takes place.  Examples of carriers are maize starch, calcium carbonate, light or heavy magnesium carbonate, calcium phosphate, potato or rice starch; or lubricating agents; stearic acid, magnesium stearate; or disintegrating agents, maize starch, alginic acid.