baber/WOPTO huggingface dataset:
Patent GB-222056-A (GB)
Title: Improvements in or relating to devices for preventing the escape of birds
IPC: A01K37/00
Filed: 1924-05-07
Abstract: 222,056. Dornseif, H. Feb. 28, 1924, [Convention date]. Birds, preventing escape of; insects, destroying.-A wing clip to prevent the flight of poultry &c. is formed with a receptacle for an anti-vermin composition. The clip, which may be of the known kind having two limbs a, b that embrace the pinion feathers and are secured by a screw d, is recessed and perforated to form a cup g to receive a block h of camphor &c. The block may be retained in place by the feathers or by lateral tongues or a cover on the cup. The cup may be detachable from the clip.
Patent GB-277577-A (GB)
Title: Improved method for the production of insulating materials
IPC: C03C13/06
Filed: 1927-04-28
Abstract: 277,577. Zimmermann, W. April 28, 1927. Non-conducting coverings for heat. - Magnesium-containing minerals such as hornblende, dolomite, magnesite, steatite, &c. with or without the addition of fluorspar are fused and converted into threads by blowing with compressed air or steam, and the product is used for insulating purposes.
Patent GB-196933-A (GB)
Title: Improvements in carburettors for explosion on internal combustion engines
IPC: F02M21/10
Filed: 1923-04-27
Abstract: 196,933. Thomas et Cie, A. April 28, 1922, [Convention date]. Spray carbiarettors; vaporizers, external.-Fuel flowing in a thin stream is mixed with, and vaporized by, a stream of hot air, the rich mixture then flowing into a stream of cold air on its way to the engine. The carburettor is provided with cold air inlets 15, 36 controlled by discs 16, 35 mounted on a common shaft formed integral with conical rods 31, 33 controlling the fuel admission from inlets 27, 28 to a pipe 30. The air entering by the inlet 15 passes through an out- Jet 18 to a heater, the hot air from which enters the carburettor through an inlet 25 and mixes at 48 with the fuel supplied to the nozzle 24 through the pipe 30. A choke tube 23 surrounds the nozzle, and the fuel is spread into a thin annular stream, which crosses the air stream, by a cone 22 situated in the flared mouth of the nozzle. A second cone 21 facilitates the mixing. The rich mixture passes through a conduit 44 into the stream of cold air flowing through the pipe 45. The air heater comprises a pipe 2 through which exhaust gases flow from inlets 10, 11, 12, 13 to an outlet 8, the cold air entering at 6 and flowing first through a passage 14 outside, and then through a tube 3 inside, the exhaust pipe 2. Specifications 167,477 and 195,092 are referred to.
Patent GB-859712-A (GB)
Title: An improved forage harvesting machine
Inventor: WILLIAMS FREDERICK
IPC: A01F29/10
Filed: 1958-04-11
Abstract: 859,712. Forage harvesters. HARRISON, McGREGOR & GUEST Ltd. April 20, 1959 [April 11, 1958], No. 11481/58. Class 6(3). [Also in Group XXX] In a forage harvesting machine of the type having a shrouded power-driven shaft 12 on which are universally mounted flails 19 adapted to cut and reduce vegetation and project it through a delivery conduit 21 into a vehicle, a hopper 24 is fitted above an opening in the shroud through which material is fed when the machine is stationary and projected to the top of a silo. Tines 26 on a power-driven shaft 25 prevent clogging of the hopper and a baffle plate 29 regulates the discharge into the machine. The lower front edge of the shroud 18 carries an angularly adjustable shear plate 20.
Patent GB-1263131-A (GB)
Title: Process for removal of trace quantities of oxygen from inert gases
Inventor: CARTER JAMES LESLIE
IPC: B01D53/46
Filed: 1969-03-04
Abstract: 1,263,131. Nickel on silica composition. ESSO RESEARCH & ENG. CO. 4 March, 1969 [1 April, 1968], No. 11512/69. Heading B1E. [Also in Division C1] A nickel on silica composition has a nickel surface area of 45 to 90 sq. m/gm. and a total surface area of 225 to 300 sq m/gm. The composition is formed by precipitating the nickel and silicate ions from solution (e.g. by mixing nickel nitrate solution and sodium metasilicate solution and precipitating with ammonium bicarbonate) onto porous silica particles, e.g. kieselguhr, to give a composition containing 25 to 50 wt% nickel. Of the total silica content, 30 to 90 wt% thereof is to be derived from the precipitated silicate ions. The composition is activated by calcining, suitably at 300 to 425C and then reducing in hydrogen at 200-500C. The porous silica particles may be replaced by alumina, silic-alumina or a zeolite. The composition is used for removing oxygen from gas mixtures and when deactivated by use in this manner it may be regenerated by passing hydrogen over it at a temperature up to 500C.
Patent GB-115211-A (GB)
IPC: F23D11/40
Abstract: 115,211. Cornet, A., and Humblet, L. Jan. 8, 1918. Generating by direct contact of combustion products. - Jets of water under pressure. and the flame of a gas or liquid hydrocarbon burner, all impinge on a curved part of the interior of a combustion chamber which is cvlindrical at one end and formed with a jacket through which the water is passed on its way to the injector. The generator is connected to the lower part of a steamcollecting chamber so that any water which is carried over may be vaporized by the passage of the gases through it. In the Figure, B is the burner and I one of the water-injection nozzles which are flattened in order to divide the jet. The water enters the jacket at D. L is an inspection opening closed by a plug.
Patent GB-1409027-A (GB)
Title: Optical systems
IPC: G02B27/09
Filed: 1973-03-09
Abstract: 1409027 An optical element of semiconductive material COMPAGNIE GENERALE D'ELECTRICITE 9 March 1973 [15 March 1972] 11608/73 Heading G2J [Also in Division H1] An optical system comprises an infrared source of radiation e.g. a laser and an optical element contributed by a semi-conductor material doped with impurities, transparent to infrared radiations and having at least two portions doped at two different average rates so chosen that the temperatures reached by the two portions on absorption of part of the infrared beam are substantially equal. The optical element which may be a window, lens, mirror or parallel plate has a central portion situated within the central zone of the beam 1 which is limited by a cylindrical surface 4 and an outer, peripheral portion between the surface 4 and an outer cylindrical peripheral surface 2 of the beams the two portions of the optical element being formed by the same semi-conductive material doped at a rate of N 1  and the outer portion having a surface doping at a rate of N 3 .
Patent GB-553304-A (GB)
Title: Improvements in or relating to electric insulating material and bodies made therefrom
IPC: H01B3/48
Filed: 1941-09-12
Abstract: 553,304. Thermoplastic moulding powders. STANDARD TELEPHONES & CABLES, Ltd., and BECKWITH, D. R. Sept. 12, 1941, No. 11702. [Class 2 (iii)] A thermoplastic moulding powder useful for the manufacture of electric insulating material and articles comprises powdered styrenated paper with or without admixed polystyrene. The paper may have been lacquered with polystyrene. Acetylated paper as described in Specifications 395,737, [Group VIII], and 525,265 may be employed. The styrenated paper may be paper as described in Specifications 454,923 and 509,836. The appearance of the moulded articles is better the finer the powder ; fine powders may be prepressed before moulding. The powder may be coloured by ordinary dyeing processes.
Patent GB-1367383-A (GB)
Title: Halogenated pyridine derivatives
IPC: C07D213/61
Filed: 1973-02-09
Abstract: 1367383 Halogenated pyridines IMPERIAL CHEMICAL INDUSTRIES Ltd 9 Feb 1973 [14 March 1972] 11765/72 Heading C2C The invention comprises a process for the replacement of fluorine by chlorine or bromine as a substituent in a pyridine ring by reacting a fluoropyridine having a fluorine atom in the 2- and/or 4-position with an alkaline earth metal chloride or bromide. The compounds 3,4-dichlorotrifluoropyridine, 3,4,6-trichlorodifluoropyridine, 4-bromo-3-chlorotrifluoropyridine and 4-bromo-3,5-dichlorofluoropyridine are said to be novel. The reaction is preferably performed using calcium halide in a proportion of 3 to 10 moles per mole of fluoropyridine in a non- hydroxylic solvent, such as tetramethylene sulphone, in the presence of an initiator, such as an acidic or basic compound or an alcohol.
Patent GB-1064990-A (GB)
Title: Improvements in or relating to rotary drum vacuum filters
IPC: B01D33/00
Filed: 1966-03-18
Abstract: An inward-flow rotary vacuum drum filter having an endless filter cloth for collecting solid on the drum, and discharging it near a roller spaced from the drum, has associated with it two endless (preferably resilient), belts, which overlie the marginal edges of the cloth over the drum-engaging part of its path to urge the cloth into vacuum-sealing contact with the drum.
Patent GB-875376-A (GB)
Title: Improvements in or relating to television viewing equipment for nuclear reactors
Inventor: HALL ROBERT HUGH
IPC: G21C17/08
Filed: 1958-04-15
Abstract: 875,376. Viewing equipment for nuclear reactors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. April 9, 1959 [April 15, 1958], No. 11928/58. Class 39(4). A television viewing facility permitting inspection of a void 3 beneath the top shielding structure 4 of a reactor comprises a tubular structure 1 which is positioned over an inspection hole 2 and has a turntable 6 (Figs. 3, 4, not shown) from which is suspended a sectional post 5. A forked extension 65 bolted to the lower end of the post 5 has side members 66, 67 to which are pivoted at 73, 82 arms 9, 10 of a parallel linkage 8, the other ends of the arms 9, 10 being connected to a U-shaped member 93 supporting a head 94. A plate 112 rotatable about the axis of the head 94 supports a frame 124 carrying a television camera 7 and a spotlight 127, the camera being movable about the axis of a gear 170. The post 5 is rotatable about its axis by a worm wheel 41 on the turntable 6 engaged by a worm 43 on a shaft 44 rotated by a hand wheel 47. The inclination of the linkage 8 is determined by an electric actuator 85 (Fig. 6, not shown) mounted on the extension 65 and operating on the arm 9. The rotational position of the plate 112 relative to the head 94 is determined by an actuator 114 (Fig. 7, not shown) mounted on the head. The tilting of the camera 7 about the axis of gear 170 together with corresponding tilting of the spotlight 127 about a parallel axis is determined by an actuator 128 (Fig. 8, not shown) fixed to the frame 124. Potentiometers associated with each of the four possible modes of displacement of the camera give indications of the camera position by meters 190.. 193 on a rack 189. A viewing monitor 188 is located on the plate 32 which supports the turntable. The post 5 is built up of tubular units 60 together with the extension 65, the extension and units being lowered, a unit at a time, by a hoist 15 through the turntable 6 which is cylindrical and has movable retaining means for temporarily supporting the extension or a unit whilst the next unit is bolted thereto. When the extension 65 is lowered through the turntable and hole 2 the linkage 8 is in alignment therewith and is subsequently moved out of alignment by the actuator 85. The camera may be gas-cooled and be combined with a gas-operated grab. Drums 19..22 pay out the electric cables and compressed gas line 183.. 186 as the post 5 is lowered, the drums being moved in the reverse direction by spring drums 30.
Patent GB-798925-A (GB)
Title: A method of and an apparatus for de-scaling rolls or coils of wire
IPC: B21C43/04
Filed: 1957-04-11
Abstract: 798,925. Descaling coils of wire. DEUTSCHE EDELSTAHLWERKE AKT.-GES. April 11, 1957 [July 24, 1956], No. 11931/57. Class 82(2) Coils of wire are descaled by squeezing the coil into an elliptical shape whilst rolling it. A conveyer chain 1 on a support 4 engages the coil 8 and rolls it against a guide 5 to deform the coil into an elliptical shape. The guide 5 is adjustable for treating differing sizes of coils. As disclosed, the apparatus treats the coils whilst they are horizontal, but if desired they may be inclined to the horizontal and a feed-table 23 is provided. This table may form a sloping shoot.
Patent GB-1404448-A (GB)
Title: Reels
IPC: B65H75/50
Filed: 1974-03-19
Abstract: 1404448 Reels B E FREELAND 19 March 1974 12135/74 Heading B8M A reel comprises two flanges 10 joined by a cylindrical barrel 12, the flanges being of timber, e.g. plywood or hardboard, and the barrel of plastics material, the flanges being provided with apertures receiving lugs 14 at the ends of the barrel. The lugs 14 are preferably enlarged to key them in the apertures. The barrel may be formed from a single sheet of plastics material curved to a cylinder with abutting or overlapping edges, or preferably is formed from at least two sections 13 separated by circumferential gaps. The lugs may be enlarged to key them in the apertures by application of heat and pressure, or the lugs may be force fitted in the apertures.
Patent GB-410607-A (GB)
Title: Improvements in or relating to the treatment of sewage or other waste liquor containing putrescible matter
IPC: C02F1/52
Filed: 1933-04-26
Abstract: A method of treating sewage or other waste liquors containing putrescible matter both in suspension and in solution comprises subjecting the sewage to the action of an insoluble metal base to collect the suspended putrescible matter in the form of a sludge, separating the sludge from the residual sewage, and subjecting the residual sewage to a base-exchange reaction to exchange the putrescible bases in solution by non-putrescible base.  The insoluble metal base may be formed in situ by reacting a soluble metal compound, such as ferric sulphate or aluminium sulphate, with an alkali, such as lime, sodium hydroxide, sodium carbonate or magnesia, capable of reacting with the metal compound to form a metal hydroxide.  The separated precipitate may be dehydrated and heated to destroy the putrescible matter and to convert the metal hydroxide to a metal oxide for regeneration of the metal compound. To obtain the optimum conditions for the base-exchange reaction the amount of alkali added to the sewage during the formation of the metal hydroxide is preferably such that it will impart to the residual sewage after separation of the precipitate a pH value of about 6-8. A zeolite may be used for the base-exchange reaction and the zeolite, when spent, may be treated with a solution of sodium chloride to extract ammonia and other putrescible bases and to regenerate the zeolite.  In order to lower the biological oxygen demand of the final effluent the sewage may be aerated during the treatment with insoluble metal base.
Patent GB-611162-A (GB)
Title: Improvements in or relating to suitcases and the like
IPC: A45C3/00
Filed: 1946-04-23
Abstract: 611,162. Suitcases. SCHWENNICKE, F. April 23, 1946. No. 12304. Convention date, March 22. [Class 133] A suitcase or the like comprises a rigid framework A of light sheet metal, which may be perforated as at O, over which is stretched an easily removable outer cover of pliable material T, which may be held in place by a removable band of light sheet metal L, so that both framework and cover are replaceable. A zip fastener S on the fabric may close the suitcase or a lock may be employed.
Patent GB-582590-A (GB)
Title: Tool-holder for the saddle of machine tools
IPC: B23B29/30
Filed: 1944-06-28
Abstract: 582,590. Tool holders. REBMANN, C. June 28, 1944, No. 12320. Convention date, June 30, 1943. [Class 83 (iii)] A tool - holder comprises a block with a longitudinal tapering bore to receive the shanks of individual tools or of rotary tool boxes, and a locking device operable independently of the clamping of the holder and arranged transversely in the holder body so as to act laterally on the inserted shank. The tool holder comprises a block 1, Fig. 5, of rectangular section provided with a hole 2 by which it is clamped to the saddle of a machine tool and with an eccentric conical bore 3 to receive the conical shank 5 of a tool 17, Fig. 10, or of a tool box 4. The shank 5 is formed with a recess 6 adapted to be engaged by a locking fork 8 eccentrically mounted in the end of a locking bolt 10 mounted in a bore in the block 1. A guide groove 11 having sections m, n, o is formed on the bolt and co-operates with a guide pin mounted on the block The bolt is operated by means of a handle inserted into a bore 15 and is urged into the locking position by a leaf spring 14 which engages a circular groove 13 of the bolt. When a rotatable tool box is being held by the tool holder, it is prevented from rotating when in the locked position by means of pins 16 projecting from the block 1 into holes in the tool box. The Specification as open to inspection under Sect. 91 comprises also a modification in which the tool box is locked in position by means of a draw bolt extending axially through the block 1. This subject-matter does not appear in the Specification as accepted.
Patent GB-183598-A (GB)
Title: Improvements in or relating to variable speed hydraulic transmission devices
IPC: F16H61/40
Filed: 1921-04-29
Abstract: 183,598. Variable Speed Gear, Ltd., and Ingoldby, M. K. April 29, 1921. Safe,ty valves. - In hydraulic variable-speed transmission apparatus comprising a pump of variable stroke, a relief valve or valves is or are provided opening at varying pressures dependent on the position of the stroke-controlling member. In the construction shown, the valve casing has a port D<1> communicating with the pressure pipe, a throw-over valve b<x> cutting off the suction pipe, and a port D<2> connected to a by-pass pipe B<2>, communication between these ports being normally interrupted by a sleeve C acted on by a spring C<4>. The sleeve C is adjusted, to decrease the distance of its upper end from the exhaust ports as the stroke-controlling member is moved from its neutral position, by a roller c<3> or c<4> depressing a platform having a stem provided with a shoulder c<2> engaging the sleeve C and carrying an abutment C<3> for the spring C<4>. The stem also has a shoulder c<1> equal in area to the upper face of the sleeve C. According to the Provisional Specification, a perforated tube is accommodated between the shoulder and the sleeve.
Patent GB-479403-A (GB)
Title: Improvements in or relating to stiffened materials
IPC: F28D1/03
Filed: 1937-04-30
Abstract: Stiffening-material is made by impregnating a base material such as fabric, for example double napped flannel, cotton, muslin, felt, leather, paper, or plushes and velvets of silk, wool or cotton, with a solution of a derivative of cellulose and thereafter subjecting the material to the action of the vapour of a precipitating agent, e.g. superheated steam, whereby the cellulose derivative is rapidly precipitated in the base material. The impregnated material may be passed through a steam chest or between steam jets.  After precipitation of the cellulose derivative the material may be dried on heated drums or by hot air.  Suitable cellulose derivatives include cellulose nitrite, acetate, formate, butyrate, propionate, and aceto-butyrate, ethyl, methyl and benzyl cellulose.  Suitable solvents include acetone, methyl acetone, methyl and ethyl alcohols and the solution may contain plasticizers and high-boiling solvents auch as camphor, triacetin, dimethyl phthalate, di-(methoxy-ethyl)-phthalate, p-ethyl toluene-sulphonamide, dibutyl tartrate, tricresyl phosphate and ethylene glycol monomethyl ether. Fire-retardants such as hydrated calcium sulphate, ammonium phosphate, cerium oxalate, calcium tartrate, triphenyl or tricresyl phosphate may be added.  The base material may be impregnated with warm solutions by immersion, spreading or spraying.  The product may be used for stiffening leather articles, e.g. box toes and counters for shoes, by softening the material and pressing on to the leather.
Patent GB-269118-A (GB)
Title: Improved method of expelling the so gases from mixtures of so gases and oil
IPC: C01B17/58
Filed: 1926-05-14
Abstract: 269,118. Allgemeine Ges. f³r Chemische Industrie. April 12, 1926, [Convention date]. Separate heater and evaporator apparatus.- Sulphurous acid is expelled from mixtures of sulphurous acid and oil by passing the mixture upwards from an inlet 7 through one or more pipes 1 heated by steam, hot water, hot air &c. passing through a jacket 3 or through a pipe passing concentrically through the pipe 1. The mixture of vapours and liquid rises into a horizontal drum 2 from which vapours pass away by an outlet 8 in a dome 9, and liquid flows away through an outlet 10. The drum 2 and dome 9 are fitted with gauge glasses.
Patent GB-165288-A (GB)
Title: Improvements in telephones
IPC: H04M1/03
Filed: 1920-05-05
Abstract: 165,288. Relay Automatic Telephone Co., Ltd., and Inman, T. M. May 5, 1920. Hand - comlination sets; supporting.- Telephone instruments employing throat transmitters have the relative positions of the transmitter and receiver angularly adjustable. The transmitter D, Fig. 1, may be carried by a blade spring C secured to the back of the receiver B or to the handle A; or the receiver (or transmitter) may be mounted on a rigid member E, Fig. 3, secured to the handle, to which rigid member the transmitter (or receiver) is cornected by a hinge F provided with a clamp G. Specification 136,359 is referred to.
Patent GB-1026766-A (GB)
Title: Improvements in or relating to methods of manufacturing semiconductor devices
IPC: H01L21/288
Filed: 1963-03-29
Abstract: 1,026,766. Preparation of semi-conductors. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. March 29, 1963 [April 3, 1962], No. 12551/63. Heading H1K. A semi-conductor body of cadmium chalcozenide (i.e. cadmium sulphide, cadmium telluride, cadmium selenide, or a mixture of at least two of these containing, possibly, active impurities and/or cadmium oxide, the mixture not necessarily being of stoichiometric composition) has part of its surface coated with a metal capable of forming complex ions with cyanide ions, at least part of the coating then being etched away by an aqueous solution containing an alkaline cyanide and an oxidizing agent. In a photovoltaic cell a layer of gold 4, Figs. 1 and 2, then N-type cadmium sulphide 3, and-after masking-a layer of copper 5, are each deposited from their vacuum phase on to a vitreous quartz plate 1, the layer 5 of copper being strengthened subsequently by electrodeposition. Some of the acceptor copper is then diffused into the N-type CdS by heating and cooling with an oxygen gas jet in accordance with Specifications 1,026,767 and 1,003,983. The remaining copper of the layer 5 is then removed by masking with paraffin wax 8 and etching with an aqueous solution of hydrogen peroxide and potassium- or sodium-cyanide. A gold double comb-like electrode 12 is then deposited on the over-doped N-type CdS layer and finally nickel conductors 16 are affixed to the electrodes 2 and 12 with a silver paste. In other examples stannic oxide may be used for the electrode 12, silver or nickel may be used as the acceptor donor, and these two materials, or copper, may be used for electrodes.
Patent GB-567308-A (GB)
Title: Improvements in or relating to the casting of rare earth metals
IPC: B22C9/06
Filed: 1943-08-04
Abstract: 567,308. Casting. BROADHURST, H. M., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Aug. 4, 1943, No. 12568. [Class 83 (i)] Moulds; mould materials.-The quality of alloy rod for pyrophoric lighters is improved by casting the alloy into ferrous moulds which have been coated with magnetic oxide by heating under oxidizing conditions. The moulds may be coated by heating to a dull red in a current of air or steam. The alloy may comprise iron and mischmetal and may be cast in the treated mould directly it has cooled to about 100‹ C.