baber/WOPTO huggingface dataset:
Patent GB-971675-A (GB)
Title: Improved appliance for insertion and removal of earplugs
IPC: A61F11/08
Filed: 1963-01-15
Abstract: 971,675. Ear instruments. H. FORER. Jan. 15, 1963 [March 16, 1962], No. 1843/63. Heading A5R. An instrument for forming, inserting and withdrawing ear plugs of cotton wool or other fibrous material comprises a former having a structure 3 at one end which is preferably toothed or threaded, to provide a means on which the cotton wool plug 5 may be formed but which, after the plug has been inserted in the ear, may be disenengaged therefrom by rotating the instrument about its axis. The other end of the instrument is formed as a pair of tweezers or barbed rod, to be used in withdrawing the plug from the ear. In order to limit the extent to which the plug is inserted into the ear an annular stop 11 may be provided around the stem of the instrument.
Patent GB-396301-A (GB)
Title: Improvements in or relating to safety razor blades and razors
IPC: B26B21/56
Filed: 1933-01-20
Abstract: 396,301. Safety razors. HENDERSON, G. R., 23, Cotton Road, Potters Bar, Middlesex. Jan. 20, 1933, No. 1910. [Class 30.] A double-edged safety-razor blade has two longitudinal slots a on each side, disposed nearer to its central perforations b than to its cutting-edges, the slots extending from a central web d up to or beyond the outer holes b. The end boundaries of the slots may be straight or curved, inwardly or outwardly. The slots are intended to lie between and register with the slots in the clamping-plate and the grooves in the guardplate of the safety razor described in Specification 396,300, so as to allow passage of cleansing water through this razor. The Provisional Specification states also that the blade and clamping-plate may have single slots, the dividing walls d being omitted.
Patent GB-491766-A (GB)
Title: Improved apparatus for producing reactions of atom nuclei, more particularly for the production of neutrons
IPC: G21G4/02
Filed: 1938-01-20
Abstract: 491,766. Determining physical qualities of materials. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Jan. 20, 1938, No. 1948. Convention date, Jan. 23, 1937. Drawings to Specification. [Class 37] [Also in Group XL] In apparatus for carrying out nuclear reactions, the gas pressure in a glow-disharge tube is measured by the current between two glow discharge electrodes arranged in a magnetic field in a separate chamber communicating with the tube. The magnetic field strength and voltage between the electrodes are chosen to give a suitable value of current.
Patent GB-930379-A (GB)
Title: Electromagnetic relay
IPC: H01H1/34
Filed: 1960-01-19
Abstract: 930,379. Electromagnetic relays. W. DE FLIGUE. Jan. 19, 1960 [Feb. 12, 1959; Oct. 7, 1959; Dec. 17, 1959], No. 1961/60. Class 38 (5). A relay having a C-shaped core with a winding on the centre portion and pole faces at its respective ends facing respectively toward and away from the coil has a centrally pivoted flat armature with an extension at one end partially embracing one leg of the core to provide an auxiliary air gap. As shown, the core 3 is formed of two parts 3a, 3b engaged along a plane 4 and preferably held by an epoxy resin adhesive. A former 1 for the coil 2 surrounds the centre portion of the core and its enlarged ends 1b, 1c are slotted to receive the legs of the core 3. Plates 7, 8 secured to the former ends 1b 1c by screws 9 and support studs 21, carry ball-bearings 6 for the armature 5 which is normally held away from the pole ends 3c, 3d by a permanent magnet 17 which attracts the extension 5b of the armature. This extension 5b is hook-shaped and has three edges in close proximity to the leg of the core at the end 3b. The magnet is adjustably secured on the former end 1b by a saddle 18. The other end of the armature 5 carries contacts 14, 15 for alternate co-operation with fixed contacts 11a, 12a on brackets 11, 12, the electrical connection to the armature being made by a wire 10 soldered thereto and to the plate 7 which has a terminal lug 7a. The extreme positions of the armature are set by adjustment of the fixed contact - carrying brackets 11, 12 which have openings 26 (Figs. 6 and 7), through which securing screws 13 1 , 13 2  pass to screw into the former end 1c. The opening 26 has a maximum length d equal to the distance L and the radius of the ends is the same as the maximum radius of the screw heads 13b. As one screw is moved further and the other is moved outward the bracket is adjusted transversely, the frictional engagement of the surfaces 13b being sufficient to prevent any loosening or movement by vibration.
Patent GB-933087-A (GB)
Title: Apparatus and method of forming an internal rib in the bore of a tube
IPC: B23G1/22
Filed: 1962-01-19
Abstract: 933,087. Making internally ribbed tubes; rifling. BABCOCK & WILCOX CO. Jan. 19, 1962 [Feb. 10, 1961], No. 1987/62. Classes 83 (2) and 83 (3). A method of internally ribbing a tube comprising smoothing the bore of said tube and draw boring a uniform helical groove in the internal surface of the wall of the tube. A helical groove 21 is formed in a smooth bored tube 20 of carbon or alloy steel by a spiral, three fluted tipped tool 50 fitted to a tool-bar 43 and drawn through the rotating tube in a machine 30. The tool shank 51 is a few thousandths smaller than the bore of the tube and acts as a pilot diameter. The machine 30 comprises a tube holder means 32 having a rotatable hollow spindle 34 incorporating a chuck assembly 38, tube rests 40 on a support 39, a carriage 41 gear driven by a lead screw 42a to which is coupled one end of the toolbar 43, a plurality of movable toolbar supports 44, associated drive motors 35, 60, mounted on a frame 31. A clutch 68 engages the driving relationship of the spindle 34 and leadscrew 42a and a rapid carriage return means 71 is driven by a rotor 72 through a clutch 75. The tool 50 is fitted to the toolbar 43 which passes through and protrudes from the end of the tube remote from the carriage 41. Cutting lubricant is pumped through the toolbar 43 and the passageways 59 of the tool to flush out the chips through the machined back end of the tube. A second machining pass may be carried out using a tool similar to the tool 50 but having a dummy lead section to align the tool with the existing groove. In a modification, tubes having a diameter of less than 1.0 inch are bored out as above from oversize tubes and the finish machined tube is finally subjected to external radially applied compressive forces to reduce its internal and external diameters without changing the wall thickness, with a corresponding increase in its length and elongation of the grooves 211 and ribs 22<SP>1</SP>. Specification 890,779 is referred to.
Patent GB-727231-A (GB)
Title: Condensed aryl-silicates and compositions containing same
IPC: C07F7/04
Filed: 1949-01-25
Abstract: Liquid thermostable condensed aryl silicates are made by heating a mixture of ethyl silicate polymers and a stoichiometric excess of one or more phenols whilst removing ethanol as it is formed and refluxing the phenol(s), the excess phenol(s) and preferably polymers lower than the tetramer being removed when transesterification is complete. The ethyl silicate polymers used may be freed from ethanol and orthosilicate.  Phenols specified are phenol, cresol, xylenols, ortho-isopropylphenol, ortho-diamylphenol and b -naphthol.  The products may be used as high vacuum seals, as heat transfer media out of contact with water, and with or without colloidal graphite as a lubricant.ALSO:A lubricating composition comprises a liquid thermostable condensed aryl silicate prepared by transesterification of ethyl silicate polymers (see Group IV (b)), and preferably freed from polymers lower than the tetramer, and colloidal graphite.
Patent GB-306257-A (GB)
Title: Improvements relating to the de-aerating of feed water for boilers
IPC: B01D19/00
Filed: 1928-01-21
Abstract: 306,257. Weir, Ltd., G. & J., and Sim, J. Jan. 21, 1928. Liquids and gases, separating.-Feed-water for boilers is de-aerated by introducing it in the form of spray into a chamber maintained under reduced pressure, whence it falls into a well wherein it is caused to boil by means of a steam heater. Water is admitted by a float-controlled valve through nozzles f to a chamber a and falls into a well g surrounded by a communicating annular well in which is a heater p. The water is caused to boil by the heater and the vapour together with the air removed from the water is drawn off through a pipe v by an ejector pump b. The well j communicates by a pipe 3 with the float chamber m whence water is supplied to the boiler by a booster pump c.
Patent GB-709666-A (GB)
Title: A process for dyeing mixtures of wool and staple fibres of regenerated cellulose
IPC: D06P3/82
Filed: 1952-01-24
Abstract: Mixtures of wool and staple fibres of regenerated cellulose are dyed by coupling thereon an arylide of 2 : 3-oxynaphthoic acid, 2 : 3-oxycarbazolecarboxylic acid or a hydroxy-benzocarbazolecarboxylic acid in which the hydroxy and carboxylic groups are oto one another, with a diazotized 4-halo-2 : 5-dimethoxyaniline.  The shades are bluish claret, violet or violet-brown and have good fastness to rubbing.  In the example, a mixed yarn is treated successively with the following solutions:-(1) 2 : 3-oxynaphthoic 2-methyl-4-chloranilide, fatty acid-albumen decomposition condensation product, sodium hydroxide, carbonate and chloride, formaldehyde, ethanol and water; (2) sodium chlorie and carbonate in water; (3) 4-chloro-2 : 5-dimethoxybenzene diazonium chloride as zinc chloride double salt, sodium phosphate buffer, dodecyl polyglycol ether and water; (4) dodecyl polyglycol ether and ammonia; (5) dilute acetic acid and a fatty alcohol sulphonate, 4-Bromo-2 : 5-dimethoxyaniline may be used as diazo component and also 4-chloranilides and 4- and 5-chloro-o-anisidides of the various acids.  The above-specified diazo component may be used in admixture with 4-chloro-2-methylbenzene diazonium chloride.
Patent GB-588021-A (GB)
Title: Improvements in safety caps or closure members for pressure vessels
IPC: F16K27/08
Filed: 1945-01-25
Abstract: 588,021. Covers for resisting fluid pressure. MORRIS, C. Jan. 25, 1945, No. 2055. [Class 123 (i)] A cap A for a fire extinguisher, water softener or other pressure vessel has two projecting handles and two diametrically opposite wedgeshaped lugs a', or cam ledges or grooves, which engage corresponding cam ledges b or grooves, or wedge-shaped lugs, on a collar B carried by the vessel, the cam ledges or grooves each terminating in a projection b' over which the lugs a<1> must pass for the removal of the cap, so that removal of the cap is prevented until the internal pressure of the vessel has been released. The lugs may be inside or outside the caps, and the cam ledges or grooves outside or inside the collar.
Patent GB-676660-A (GB)
Title: Improvements in or relating to pneumatic accessory systems for motor vehicles
IPC: B60K25/04
Filed: 1950-01-26
Abstract: 676,660. Windscreen cleaners. TRICO PRODUCTS CORPORATION. Jan. 26, 1950 [Jan. 26, 1949], No. 2119/50. Class 138 (i). [Also in Group XXVIII] A pneumatic motor 2 for actuating a motor vehicle windscreen wiper is supplied with suction through a duct 5 from the engine manifold (see Group XXVIII) through a switch 8 the contacts of which are normally held closed by airflow from the motor 2. When the manifold suction falls below a predetermined value, a suction switch 11 in series with the switch 8 closes to energise an electric motor 7 driving a compressor 6, which then draws air from the motor 2 and delivers through a duct 34 to atmosphere, or to a motor 29 for raising and lowering a window.
Patent GB-1209451-A (GB)
Title: Improvements in and relating to apparatus for measuring parts of the human eye
Inventor: SMART DESMOND
IPC: A61B3/10
Filed: 1967-01-16
Abstract: 1,209,451. Measuring the cornea. INTERNATIONAL RESEARCH & DEVELOPMENT CO. Ltd. Jan 12, 1968 [Jan. 16, 1967], No. 2237/67. Heading G2J. Apparatus for measuring corneal thickness and corneal radii comprises a low power gas laser 1, preferably a helium-neon gas laser, which directs a light beam on to the cornea of an eye, the person's head being supported by a frame 2; an objective lens 3 and a screen 4 mounted on a graduated optical bench 5. The lens 3 is moved until two images, one from light reflected off the front surface of the cornea and the other from light reflected off the back surface, are simultaneously formed on the screen with the first mentioned image coinciding with the optical axis. The distance between the images and the angle of incidence of the laser beam on the eye are measured, thus enabling the thickness of the cornea to be determined. To find the radii of the cornea, the lens and screen are adjusted until the first image is in focus on the screen. The distances of the lens from the eye and the screen from the lens are measured and the outer corneal radius determined. Similar measurements are made for the second image, and the inner corneal radius is found.
Patent GB-548046-A (GB)
Title: Improvements in or relating to lint, bandages, gauze, cotton wool and other surgicaldressings and bindings
IPC: A61L15/18
Filed: 1941-02-19
Abstract: 548,046. Surgical dressings &c. HARRIS, W.S., GREEN, C. B., and GRIFFITHS HUGHES, Ltd., E. Feb. 19, 1941, No. 2256. [Classes 81 (i) and 81 (ii)] Lint, bandage, gauze, cotton wool, and other surgical dressings and bindings are impregnated with kaolin or Fullers earth mixed with gum tragacanth, methyl cellulose, and/or other adhesive which causes the kaolin or Fullers earth to stick to the lint &c. without permanent destruction of the absorptive property of the kaolin or Fullers earth. Examples are given and according to the Provisional Specification activated charcoal may be used. Reference has been directed by the Comptroller to Specifications 6349/05, [Class 81], 22327/10, [Class 81 (i)], and 421,545.
Patent GB-338438-A (GB)
Title: Improvements in or relating to the packing of tiles and the like
IPC: B65D5/42
Filed: 1930-01-22
Abstract: 338,438. Heide, H. Jan. 22, 1930. Packing tiles in cartons.-Tiles a are introduced in sequence into the top of a rectangular carton b, open at both ends and resting on a plunger c. The plunger is adapted to pass up into the carton and to be moved downwards' each time a tile is introduced. When the carton is full it is tilted sideways as shown in Fig. 2, a plate d pivoted on the plungers being raised manually to retain the lowermost tiles in position. The closure flaps e, f, of the carton are now closed. Individual flat packets of tile strips a<1>, Fig. 7, cyma and angle fillets and the like, in cartons b<1> may be packed in an outer carton in the same manner, the outer carton being protected by a wooden framework.
Patent GB-326292-A (GB)
Title: Improvements in or relating to hollow rubber articles, and the manufacture thereof
IPC: B29D22/02
Filed: 1929-01-23
Abstract: 326,292. Dunlop Rubber Co., Ltd., and Trobridge, G. W. Jan. 23, 1929. Drawings to Specification. Moulding by dipping.-Rubber bladders are made in collapsed form with an integral neck, by dipping cores particularly of the type described in Specification 326,291 into aqueous dispersions of rubber and the like. An aperture is provided at the end remote from the neck through which the core is withdrawn, and is subsequently closed by a cap of rubber or the like sheet.
Patent GB-1532543-A (GB)
Title: Method and devices for road surface marking
IPC: E01F9/08
Filed: 1976-01-22
Abstract: 1532543 Road surface marking L EIGENMANN 22 Jan 1976 [24 Jan 1975] 02472/76 Heading C3N [Also in Division E1] A primer layer for road surface marking tape comprises a composition which when spread in the molten condition on a road surface rapidly attains a viscosity of 10<SP>3</SP>-10<SP>4</SP> cP and attains within a time not longer than 30 seconds thereafter a viscosity of at least 10<SP>5</SP> cP. The composition may include wetting additives having amidic, sulphonic, hydroxy, epoxy or isocyanic radicals, and typically comprises a mixture of pitch, styrene-butadiene resin, epoxy tar, coumarone resin, phenolic colophony resin, oxidized bitumen and bitumen 40/50.
Patent GB-604757-A (GB)
Title: Improvements in and relating to fluid pressure operated automatic piston valves
IPC: G05D16/10
Filed: 1945-02-01
Abstract: 604,757. Valves controlled by pilot valves. TOWLER, J. M., and TOWLER, F. H. Feb. 1, 1945, No. 2500. [Class 135] A valve 2 acting as a relief, byepass, reducing or pump unloading valve and controlling the flow of liquid from an inlet 9 through radial passages 8 to an outlet 5 is actuated by a piston 1 of which the underside is subject to inlet pressure through a transverse and radial passages 11, 12, respectively, and the chamber 13 on the topside of the piston is subject to the pressure of a loading-spring 14 and of liquid flowing from the underside of the piston through a helical groove 15 in the piston, or through a separate restricted passage or adjustable choke, and. means is provided to vent the space above the piston so that it will be pushed up by the inlet pressure to connect inlet 9 and outlet 5. The venting means may be manually-, electrically- or pressure-operated, and may comprise a byepass valve or small pressure-regulating valve connected between chamber 13 and the outlet 5, which latter is connected to a machine so that the main valve 2 functions as a pressure-regulating valve, or, as shown, it may comprise a pilot relief valve 27 arranged to blow when the pressure exerted by the liquid in chamber 13 acting through a passage 18 and past a ball non-return valve 31 raises the valve 27 against its loading spring 28 to allow the liquid to flow from chamber 13 to exhaust along passages 22, 23, 25. The valve 2 is a force-fit in the piston 1, and the valve casing comprises two parts 3, 6, suitable packing rings 33 being provided between the various parts. According to the Provisional Specification, the valve may act as a metering valve.
Patent GB-389618-A (GB)
Title: Improvements in lifting jacks
IPC: B66F3/08
Filed: 1932-01-27
Abstract: 389,618. Lifting-jacks. BRECKNELL, WILLIS, & CO., Ltd., 59, Victoria Street, Bristol, and STAFFORD, C. H., Mayfair, Southern Avenue, Burnley. Jan. 27, 1932, No. 2508. [Class 78 (iii).] A lifting-jack is provided with a ball-and-socket connection with its base which permits free conical movement. As applied to a screw jack, as shown in the Figure, the connection comprises a member d and a ball c formed with a stud h extendint into a stem a containing the lifting screw b. The jack is positioned by a handle i and operated by a tommy-rod j actuating a pawl-and-ratchet device k, m. Teeth f engaging the ground keep the base e stationary.
Patent GB-503358-A (GB)
Title: Improvements in and relating to the wrapping of chocolates and the like
IPC: B65D75/38
Filed: 1938-01-26
Abstract: 503,358. Packages. MACKINTOSH, E. D., and MACKINTOSH & SONS, Ltd., J. Jan. 26, 1938, No. 2622. [Class 94 (i)] Chocolates or other sweetmeats moulded in the form of discs 1 with bevelled sides are arranged in a pile and wrapped in lead &c. foil 2 which is folded at 3, 4 over the ends. The wrapped pile is placed in a paper &c. sleeve 5, which may be longer, shorter, or of the same length as the pile. The discs may be removed by unfolding the foil at one end and sliding the pile longitudinally. Separators 6 of cardboard, waxed paper, &c. may be placed between the discs.
Patent GB-542206-A (GB)
Title: Liquid discharge apparatus for liquid storage tanks
IPC: B64D37/26
Filed: 1940-02-12
Abstract: 542,206. Forcing liquids by direct gas pressure. KIDDE & CO., Inc., W. Feb. 12, 1940, No. 2678. Convention date, Feb. 10, 1939. [Class 102 (ii)] [Also in Groups XVII and XXXIII] The fuel tank 1 of an aeroplane or other liquid storage tank is provided on its underside with a jettisoning opening closed normally by a valve 17 and a frangible disc 32, pressure fluid, e.g. from a CO 2  flask, being admitted to a chamber 31 between elements 17, 32 to break disc 32 at a weakened line 35 while the pressure fluid is admitted to the tank to eject positively the liquid fuel and open valve 17 against its spring 28. The pressure fluid is led from the source of supply first through a passage 7 and pressing on a piston 47 disengage springs 45 from a knob 44 and permit the piston to fall on to a frangible diaphragm 41 and disrupt it when pressure fluid passes via the aperture so formed and channels 50 into chamber 31 until the pressure therein breaks out the disc 32, whereupon piston 47 by reason of the removal of stud 36 falls to the limit of its path and simultaneously cuts off passage of pressure fluid past the broken disc 41 by contact of a seating 64 with a washer 63 and also connects a channel 53 to channel 54 permitting pressure fluid to flow through pipe 8 to a device (not shown) constructed as described in Specification 485,324. [Group XXXIII], which closes the vent of the tank 1 opens a valve permitting supply of pressure fluid to the tank to open valve 7. The valve is re-closed by spring 27. The device is re-set by replacing the broken parts 41, 32 by fresh parts.
Patent GB-702025-A (GB)
Title: Cellulosic pulp and method of manufacturing the same
IPC: D21D1/32
Filed: 1952-02-01
Abstract: 702,025. Preparation of paper pulp. ARONOVSKY, S. T., and LATHROP, E. C. Feb. 1, 1952, No. 2689/52. Class 96 Cellulosic materials, e.g. straw, flax, hemp, cotton stalks, bagasse, jute, reeds, sisal, coarse ground wood, chopped wood shavings &c. are cooked and pulped in alkaline liquid, e.g. dilute caustic soda solution, optionally containing also sodium sulphide, at up to 100‹C., whilst subjecting them to repeated impacts, without cutting or tearing the cellulose fibres. As illustrated cooking &c. is done in a tank 1 open at the top, and having a rotor 17 at the bottom, and fixed blades 18 on the walls. On the upper surface of the rotor 17 are two rings of blades or vanes 17a &c. for impacting and circulating the material which is drained through an outlet 10 with a valve 22. The rotor is driven by a motor 3, packing for its shaft 6 being adjustably compressed at 12.
Patent GB-1419423-A (GB)
Title: Device for the drawing of yarns of continuous synthetic  filaments for textile machines
IPC: D02J1/22
Filed: 1973-01-18
Abstract: 1419423 Drawing filaments COGNE MACCHINE TESSILI - COGNE - TEX SpA 18 Jan 1973 [7 March 1972] 2710/73 Heading B5B [Also in Division D1] A drawing device for monofilament yarn comprises two sets of rollers each set having two metal driving rollers 2a, 2a<SP>1</SP>, 2b, 2b<SP>1</SP> and a resiliently covered driven roller la, 1b, the driven roller being larger than the driving rollers and being movable therefrom for threading up, e.g. by a pneumatic cylinder 7 which also determines the contact pressure in the operating position. A heater 12 or heating pin 3 may be provided. The drawing device may be used in a drawing and texturizing machine.
Patent GB-156823-A (GB)
Title: Improvements in and connected with stop valves for fluid pressure systems
IPC: F16K1/14
Filed: 1919-02-04
Abstract: 156,823. Dorman & Co., Ltd., W. H., Hanson, J., and Bramson, M. L. Feb. 4, 1919. Lift valves; leakage, preventing.-A stop valve for fluid-pressure systems comprises a ball 3 secured by a removable open-ended cage or carrier 6 to a carrying-member 5 which is in working screw engagement with a removable casing member 9. A rotatable but axially immovable spindle 7, provided with a rotary conical packing-collar 7<a>, has a polygonal extension engaging the carrying-member 5 to rotate the same and open and close the valve. The spindle 7 is fitted with an operating wheel 12 and with a nut and handle 13 for tightening up the packing collar 7<a> after adjustment of the valve.