baber/WOPTO huggingface dataset:
Patent GB-368637-A (GB)
Title: Improvements in flexible elastic couplings
IPC: F16D3/56
Filed: 1931-06-30
Abstract: 368,637. Universal joints. KEUTH, W. MULLER-, 15, Warmb³chenstrasse, Hanover, Germany. June 30, 1931, No. 18911. [Class 80 (ii).] A circumferentially yielding universal joint comprises an auxiliary body consisting of two or more parts c, c<1> retained in alignment by an internal or external supporting member and capable of relative rotary movement against the action of interposed blade springs g, Fig. 3, or helical springs o, Fig. 7, or rubber blocks, the parts c, c<1> being universally connected by toothed couplings f to shaft members b. The outer surfaces of the teeth on the shaft members b may be spherical or the casing may have a spherical surfaced inner annulus projecting into and engaging an end recess in the shaft member approximately in the plane of the teeth. The supporting member for the auxiliary body c, c<1> as shown is a two part casing d together with a loose internal ring i, sheet-metal disc or helically wound wire. Alternatively the supporting member may be an internal bush together with two external retaining rings and the parts c, c<1> may have internal shoulders engaging the ends of the bush, and external flanges overlapping the outer ends of the shaft members b, b<1>. The teeth f on the parts c, c<1> may be facial as shown, or internal, and the flexibility may be increased by arranging one or more spring- connected loose intermediate parts between the parts c, c<1> to give a series spring coupling. One shaft may be hollow and the other extend through it and the coupling to drive a wheel, the hub of which may be integral with a shaft member b.
Patent GB-1181953-A (GB)
Title: Bidirectional Ferrite Phase Shifter
IPC: H01P1/19
Filed: 1968-04-22
Abstract: 1,181,953. Non-reciprocal phase-shifters. THOMSON CSF. 22 April, 1968 [5 May, 1967]. No. 18970/68. Heading H1W. A phase-shifter, for shifting the phase of waves propagating therethrough in opposite directions respectively by amounts equal in magnitude and opposite in sign, comprises a non-reciprocal phase-shift device 12 connected at either end to circulators 21, 22. The circulators have opposite directions of circulation such that input A is coupled to output C<SP>1</SP> and input A<SP>1</SP> is coupled to output C, the phase shifts of the respective transmissions being +# and - #. The inputs A, A<SP>1</SP> may be connected to a common source G. The device 12 may be a quantized ferrite phase-shifter comprising a number of tubular ferrite or garnet elements arranged along the axis of a square waveguide and each provided with a separate axial control conductor for switching the remanent condition of the element between opposite extremes. The ferrite tubes may be filled with dielectric material. Alternatively, a range of phase-shift variation may be obtained by utilizing intermediate remanent states of the elements.
Patent GB-180928-A (GB)
Title: An improved hand starting device for internal combustion engines
IPC: F02N1/02
Filed: 1921-07-14
Abstract: 180,928. Downham, J. A. July 14, 1921. Turning-gear.-In an arrangement for preventing backward rotation of the engine shaft from being transmitted to the starting-handle, the handle 4 is secured to a sleeve 2 rotatable on a starting-shaft 1 having the usual dog clutch. Planetary gearing between the sleeve 2 and the shaft 1 is locked to rotate solidly at starting, and rotates freely, in the event of backward starting, without affecting the sleeve 2 and the starting-handle. In the form shown, backward movement of the sleeve 2 is prevented by a ring 5 mounted on the sleeve and carrying pawls 6 engaging ratchet teeth in the end disc 7 of the casing 8, which is either fixed or is allowed a limited movement against springs 9. The planetary gearing comprises sun wheels 10, 18 on the sleeve 2 and shaft 1, and planet-wheels 11, 16 on pins 12 freely rotatable in a cage 13, which has ratchet teeth engaged by pawls 14 carried by a ring 15 on the sleeve 2 in order to lock the planetary gear at starting. The wheels 16 may be keyed on the pins 12 or mounted on screwthreads in order to bind against the face of the cage 13 at starting. The sleeve 2 may be locked to the shaft 1 by inserting a pin in the perforation 3.
Patent GB-259525-A (GB)
Title: Portable electric transformer outfit
IPC: H01F27/00
Filed: 1926-07-30
Abstract: 259,525. Naamlooze Vennootschap Hengelosche Electrische en Mechanische Apparaten-Fabriek, and Lis, P. H. A. van. July 30, 1926. Transformers.-A portable welding transformer 1 is enclosed in a cylindrical casing 2 mounted for rotation about its axis in a frame 9 so that it can be wheeled about. An auxiliary frame 10 attached to the main frame 9 serves as a support when the apparatus is stationary. The casing 2 is formed with a space 11 in which is located a terminal box for attachment of leads, and with a recess 12 in which a switch handle is located. Ventilation is obtained by bolting the two halves of the casing 2 to a T.section ring 5, spacing washers 4 being threaded on the bolts 3 so that air vents 6 are left between the bolts.
Patent GB-1137716-A (GB)
Title: Improvements in and relating to fractionating columns
Inventor: WRAGG REGINALD TREVOR
IPC: G01N25/14
Filed: 1965-05-06
Abstract: 1,137,716. Fractionating columns. DUNLOP CO. Ltd. 5 May, 1966 [6 May, 1965], No. 19073/65. Heading BIB. A frictionating column 10 contains a spinning bond 23 which comprises a rod or tubelike support 1 around which at least one coiled filament 2, e.g. a spring, is helically wound, the internal diameter 11 of the column being substantially the same as the external diameter of the spinning band and the spiral direction of the coils being such that as the band rotates it tends to pump vapour and any liquid which has condensed in the region of the band back down the column. The filaments may be of metal or of plastics material e.g. poly(tetrafluoroethylene), several filaments connected end to end being wound on one support member which is of e.g. stainless steel, and the filaments being bound to rod 1 by a wire 4 wound between the coils and by welding. Liquid to be fractionated is heated in a flask attached to the base 26 of the column, vapour passing up the column beyond the spinning band condenses on a condenser tube 17 and the condensate drops from the closed end 18 of it past valve 21 and into take-off pipe 20. The column is insulated by providing inner and outer walls 11 and 12 with the evacuated space 13 therebetween containing cylindrical heat-reflectors 14, a side tube 25 being connected to pressure reducing means and the spinning band being connected by its support member 24 to driving means. Alternatively the column may be enclosed in an insulating jacket of asbestos with heating means disposed within the jacket attached to separate sections of the jacket and operable independently. Reflux may be employed and a take-off valve for removal of the liquid fractions. When the column is in use the temperature difference between the column and the insulating jacket is kept at zero by a system of relays controlled in response to signals from thermocouples and also by an electronic temperature sampling device.
Patent GB-242703-A (GB)
Title: Improvements in glass grinding and polishing machines
IPC: B24B9/10
Filed: 1924-08-11
Abstract: 242,703. Clark, H. J., and Kirby, A. Aug. 11, 1924. Bevelling.-A machine foe grinding and polishing bevels on glass plates has a grinding-roller 10 and a polishing-roller 11 mounted in frames 12, which are rotatable on trunnions in frames 13 to bring either roller to operate upon a piece of glass. The rollers are geared together to rotate in opposite directions by gearing 17, 18 and are driven by a clutch member 161 adapted to be engaged' with either of clutch members 14, 15 on the driving-shafts of the rollers 10, 11. The glass is mounted upon tables 19, one at each end of the machine, each table being provided with a flange 190 engaging a beam 20, and pressed to move the glass against a roller by hydraulic rams 22. When a bevel has been ground, it is polished by rotation of the frames 12 to bring the polishing-roller into operation. The tables are angularly adjustable on sliders 21 carried by guides 210, and the sliders may be moved upon the guides by levers 23 and links or bv a hydraulic cylinder and plunger. The rollers are reciprocated axially by cranks to equalize wear. In a modification, the beam 20 is hollow and water is admitted to it to press the flange 190 of the table. According to the Provisional Specification, one roller only may be provided.
Patent GB-1244525-A (GB)
Title: Method of agglomerating
Inventor: MEGOWEN WILLIAM JOHN
IPC: B01J2/00
Filed: 1969-04-14
Abstract: 1,244,525. Agglomerating processes. W. J. MEGOWEN. 14 April, 1969, No. 19079/69. Heading A2E. [Also in Division C6] In a method of agglomerating, particles, e.g. of powdered sugar in the size range 1-2 microns, are agglomerated and broken in a first stage such that most of the particles are increased to a predetermined size range, e.g. 4-8 microns, while larger particles are broken so as to be not greater than a predetermined size, e.g. 8 microns, the agglomerated and broken particles are then passed to separating means, e.g. an air classifier, so that particles below the predetermined size range may be recycled, and the remaining fraction in the predetermined size range are then agglomerated and broken in a second stage and further separated to give one fraction in a second predetermined size range, e.g. 16-32 microns, and further fractions in the first size range, intermediate and lower sizes, e.g. 8-16 microns, 4-8 microns and below 4 microns, the various fractions being recycled in appropriate earlier stages, except for the fraction of largest size. By extension of the process by a further stage, particles all in a desired final size range, e.g. 64-128 microns, are finally produced.
Patent GB-223327-A (GB)
Title: Improvements in silencing devices for the exhaust gases of internal combustion engines
IPC: F01N1/24
Filed: 1923-07-25
Abstract: 223,327. King, R. O. July 25, 1923. Exhaust-silencers.-A silencer comprises a comparatively long and unobstructed passageway extending from the exhaust valve, port, or manifold to the atmosphere and lined with asbestos fabric or like non-reverberant material freely exposed to the gases and preferably supported in a non-rigid manner. In one form, Fig. 1, asbestos or like tape or strip a is arranged in a pipe formed of helical metal strip b, the edges of the metal being flanged at b<1> and held together by a flanged locking strip c. In a modification, the edges of the helical metal strip are turned inwards over the edges of the asbestos strip and the whole is fitted in a plain metal tube. In further forms, a tubular lining of asbestos yarn or small tape is braided with a stiffening of metal wire, or braided on a tube of wire mesh, or wrapped on a frame of wire netting, with the asbestos inside or outside the netting, and slipped into a tube, which may be plain or formed of helical strip and may be fitted with a fish-tail end-piece.
Patent GB-637164-A (GB)
Title: Improvements in or relating to means for synchronizing an electronic wave generator and power supply
IPC: H03K3/78
Filed: 1946-06-26
Abstract: 637,164. Pulse circuits ;pulsing carrier frequencies. SPERRY PRODUCTS, Inc. June 26, 1946, No. 19102. Convention date, June 28, 1945. [Classes 40 (v) and 40 (vi)] Wave trains are generated by a device having electrodes energized from an A.C. supply, the device being actuated from a gasdischarge valve operated once per cycle. An A.C. supply 14, Fig. 2, feeds a wave train generator 10 having valves supplied with A.C. only and also furnishes a triggering potential to a pulse generating thyratron 15. The thyratron fires when the supply potential reaches a predetermined amplitude, thus ensuring that the generator 10 emits a wave train of constant amplitude. The anode supply of the thyratron may be A.C., Fig. 1 (not shown), the triggering source being dispensed with. In a modification, Fig. 3, the anode and grid supply potentials of the thyratron 15 are derived from the A.C. supply 14 over resistors 33, 35 and stabilizing tubes 32, 34, a triggering potential being fed over transformer 11. The saw-tooth potential appearing at the anode of thyratron 15, Fig. 4 (not shown), is fed through a push-pull amplifier 40 to an indicator 41, also fed from a receiver 45.
Patent GB-482857-A (GB)
Title: Improvements in the manufacture of dust cores
Filed: 1937-07-09
Abstract: In the manufacture of cores for inductances of the type in which fine particles of magnetic material are mixed with insulating or binding substance, the mixture is subjected to the action of vibration of supersonic frequency, e.g. a frequency between 200 and 2000 kilocycles per second.  The vibrations may be generated by a piezo-electric crystal and the materials to be mixed are preferably placed in a container immersed together with the oscillator in paraffin oil.
Patent GB-531324-A (GB)
Title: Improvements in or relating to reels for barbed and other wire and the like
IPC: B65H75/20
Filed: 1939-07-01
Abstract: 531,324. Reels for barbed wire &c. ABRAHAM, G. A. July 1, 1939 No. 19236. [Class 99 (ii)] A reel for barbed wire &c. comprises two or more pivotally connected sections, one of which can be released at one end and turned inwards to facilitate the application or removal of the wire coil. The reel may comprise two sections a, b hinged at 5 and secured by bolts 6, each section consisting of a pair of tubular arcuate members connected by curved bars 2.
Patent GB-509957-A (GB)
Title: Improvements in bowler knives
IPC: B02C18/20
Filed: 1938-06-29
Abstract: 509,957. Mincing-machines. VERNON, C. (Tuscherer, E). June 29, 1938, No. 19293. [Class 28 (ii)] A knife for a meatchopping machine has a cutting-edge formed partly or wholly of teeth 4 of substantially triangular configuration having their tips 4c arranged upon an imaginary curved line which is eccentric to the centre of rotation c of the knife and the bisecting lines l of which triangular teeth are non-radial with relation to the said centre of rotation. The rear end of the knife is formed as a circular part 3x concentric with the centre C. In operation, the knife performs a simultaneous cutting and kneading action upon the material.
Patent GB-1495899-A (GB)
Title: Method for treatment of ferrosilicon nitride
IPC: C01B21/082
Filed: 1976-05-11
Abstract: 1495899 Ferrosilicon nitride treatment DENKI KAGAKU KOGYO KK 11 May 1976 [15 May 1975] 19297/76 Heading C1A Ferrosilicon nitride, intended for use in making troughs for molten iron in a blast furnace system, is blended with an aqueous acidic solution, especially a dilute solution of an acid and the blend subjected to air oxidation, at 50‹ to 200‹ C., suitably using wet air. Either inorganic or organic acids may be used, and those specified include hydrochloric, sulphuric, nitric, phosphoric, dichromic and chromic acids, as well as formic, acetic, oxalic, tartaric and citric acid. Inorganic salts forming acid aqueous solutions may also be used, e.g. aluminium phosphate, ferric chloride, ferric sulphate and aluminium sulphate. Treatment converts metallic iron present in the ferrosilicon nitride into an iron salt which is then oxidized to ferric oxide, and generally reduces the exothermic temperature of the material.
Patent GB-371690-A (GB)
Title: Improvements in an apparatus for treating and ageing fabrics
IPC: D06C7/00
Filed: 1931-07-06
Abstract: <PICT:0371690/IV/1> An apparatus for treating or ageing fabrics, particularly fabrics having thereon vat colour prints or dyes and discharge prints or other fabrics where the conversion of the dyes or chemicals used p  in printing or dyeing into fixed patterns and uniform colours is necessary, comprises an ageing box or chamber 1 in which are mounted two series of rollers 8, 8<1> over which the fabric F passes and forms spaces between the runs thereof in the first few of which aprons 13, preferably of wire mesh screen material, are located.  Water is supplied through a slot in the top of a pipe 15 to the aprons down which it trickles and steam is supplied through pipes 28, 29, 30 and passes outwards through the aprons.  By this means excess heat may be neutralized, absorbed or dissipated. Specification 312,423, [Class 15 (i), Dyeing &c., Apparatus for], is referred to.
Patent GB-530895-A (GB)
Title: Improvements in or relating to metal alloys
IPC: C22C21/00
Filed: 1939-07-05
Abstract: 530,895. Alloys. SIMON, B. July 5, 1939, No. 19541. [Class 82 (i)] An alloy, particularly for use in making tools, spoons, and forks, and for aircraft purposes, consists of 52 - 62 per cent of aluminium, 20 - 30 per cent. of copper, 7 - 17 per cent of tin, and 1 - 11 per cent. of nickel. The alloy is preferably made by melting the nickel first and adding successively the copper, aluminium, and tin, salammoniac being added to the molten mixture.
Patent GB-1173487-A (GB)
Title: Improvements in or relating to containers for the transport of fluidizable materials.
IPC: B65D8/00
Filed: 1967-04-27
Abstract: 1,173,487. Pneumatic emptying of hoppers. INTERCONSULT A.B. 27 April, 1967 [4 May, 1966], No. 19577/67. Heading B8A. A hopper for particulate material is provided with a fluidizing floor adjacent a bottom discharge opening, the floor consisting of a rigid frame in two sections 8a, 8b supporting an air permeable cover of woven synthetic fibre material which is secured to the frame by air permeable means. The frame consists of semicircular members 9, 10 interconnected by struts 11. The cover consists of two layers of material, above and below the frame, secured together and to the frame by seams adjacent each side of each frame member, the seams being so located as to allow relative movement between the covers and the frame members thereby allowing air to pass therebetween. Air is supplied to the space beneath the floor through ducts 4, 5. In a modification, Fig. 7 (not shown), the floor consists of a single layer of air permeable material, clamped at its edges to inner and outer frame members and secured to an intermediate ring by strips of material, the ring being secured to the container bottom.
Patent GB-596579-A (GB)
Title: Improvements in and relating to method and apparatus for forming bags
IPC: B29C65/78
Filed: 1944-10-11
Abstract: 596,579. Paper and like bags. BURGESS, A. F. (Marathon Corporation). Oct. 11, 1944, No. 19580. [Class 94 (ii)] Each of a series of coated tubes 10 has one of its ends sealed by passing a seam 15 of each tube over a heated roll 30, then under a cooling blast from a nozzle 55 and over a water-cooled roll 60. The tubes may be made of "Cellophane" (Registered Trade Mark) and coated on both surfaces, or at least on their inner surfaces, with adhesive such as described in Specification 481,427, [Group VIII]. The tubes may be formed by continuously-folding a travelling web and sealing the overlapping portions by heat and pressure alone, or by means of a suitable adhesive, the continuous tube then being cut into portions. The tubes 10 travel on a belt 17 and a fall on to a second belt 25 and are guided by a bar 28 so that the bottom seam is gripped between the heated roll 30 and a belt 31 with extra pressure applied locally by a roll 35. Heating of the roll may be by means of a steam jet inside. After leaving the roll 30, each bag body is gripped between belts 50, 51, leaving the seam 15 exposed to pass under the air nozzle 55. The seam finally passes over the roll 60, cooled by water which is sprayed internally, and the bags pass down a guide plate 75 to a conveyer 76.
Patent GB-424129-A (GB)
Title: Improvements in devices for stopping leaks or apertures in hose pipes and the like
IPC: F16L55/16
Filed: 1933-07-11
Abstract: 424,129. Stopping leaks in hose pipes. BRYANT, C., 165, High Street, High Barnet, Hertfordshire. July 11, 1933, No. 19599. [Class 99 (ii)] A device for stopping leaks or apertures in hose pipes &c., comprises a screw - threaded rod 5, provided at one end with a head which is constituted by flexible metal spiders 7, 9 and an intermediate washer 8, all of which are initially of cupshaped form, and is adapted to be inserted through the leak and then flattened out against the inner surface of the hose by a clamping nut 15 which is screwed down the rod 5 onto the hose with the interposition of washers 13, 13<a>, 14. The device is preferably provided with a flexible centering spider 12 and a supporting washer 11 therefor, the latter locating itself within the leak when the device is in position. When the device has been secured to the hose the projecting end of the rod is cut or broken off, the rod being reduced at 16 to facilitate this operation; alternatively the rod is made in two aligned lengths with the adjacent ends thereof provided with interengaging screwthreads. The extremities of the arms of the spider 9 may be formed with inwardly-directed barbs to grip the hose.
Patent GB-531560-A (GB)
Title: Improvements in or relating to the manufacture of ice and ice glazes for comestibles
IPC: F25C1/00
Filed: 1939-07-05
Abstract: 531,560. Preserving food. BEDFORD, R. H. July 5, 1939, No. 19604. [Class 49] [Also in Group XIII] A small quantity of hydrochloric acid is added to water to be frozen into blocks for commercial use or to be used for ice-glazing frozen fish &c. so as to render the ice non-cracking. The proportion of acid may be such as to give a pH value of 1 to water frozen at a temperature of -30 C.
Patent GB-280273-A (GB)
Title: An improved self-locking nut for bolts, threaded screws, and the like
IPC: F16B39/286
Filed: 1926-08-10
Abstract: 280,273. Wigglesworth, A. J. Aug. 10, 1926. Locking nuts.-The nut is provided with a slot 9 extending from the outer edge to the centre, and with a bevelled bearing face 8. In a modification, both faces of the nut are bevelled. The slot is equal in width to one or more and a half threads, and the amount of the bevel equals the width of the slot. Reference has been directed by the Comptroller to Specifications 1141/86 and 1791/91.
Patent GB-1495817-A (GB)
Title: Piston for an internal combustion engine
IPC: F02F3/00
Filed: 1975-05-09
Abstract: 1495817 Pistons KARL SCHMIDT GmbH 9 May 1975 [27 June 1974] 19727/75 Heading F2T The gudgeon pin bosses 7 of a light-metal piston are attached by ribs 2 to areas of zero moment of the piston head 1, a one piece skirt is separated from the head by transverse slots 6 and supported from the bosses 7 by ribs 4 which extend at an angle between 0 and 45 degrees to the axial plane of bosses 7. The skirt may have a longitudinal slit.