baber/WOPTO huggingface dataset:
Patent GB-398860-A (GB)
Title: Luminous vacuum tube for television, telecinematography and like applications
IPC: H04N3/34
Filed: 1931-12-17
Abstract: 398,860. Television; discharge lamps. COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIAL D'USINES A GAZ, 12, Place des Etats- Unis, Montrouge, Seine, France. Dec. 17, 1931, No. 34982. Convention date, March 6. Addition to 384,086. [Classes 39 (i) and 40 (iii).] According to the parent Specification, a source of light for television comprises a tube of small diameter compared with its length, containing a gas at reduced pressure and enclosing two electrodes, one of which is apertured so that the positive column is seen end on. In the present invention, the aperture has a shape A B C, D E F, the height of the triangles A B C, D E F being less than the distance C D. When the image of this aperture is scanned over the screen, the intensity of illumination of the zone of overlap 1 is the same as that of zones 2, 3. The electrode has its outer face insulated to prevent the discharge spreading to the front of the electrode. The aperture may also be diamond shaped. A screen apertured as above may be used in conjunction with a tubular lamp having an anode with a circular aperture. According to the Specification as open to inspection under Sect. 91 the apertures may also be elliptic. This subject-matter does not appear in the Specification as accepted.
Patent GB-1357965-A (GB)
Title: Method and apparatus for generating electrostatic images
IPC: G03G15/32
Filed: 1971-07-27
Abstract: 1357965 Facsimile reproducer INTERNATIONAL BUSINESS MACHINES CORP 27 July 1971 [4 Sept 1970] 35064/71 Heading H4F [Also in Divisions B6 and H1] A latent image is formed on a dielectric substrate by generating a stream of ions and selectively deflecting the stream by a gas stream either to fall on the substrate or away from the substrate. A chamber 1 includes insulating walls 1f, 1s, 1sa, 1b and an insulating tap 2 which accommodates an electrode 5 charged to high voltage with respect to a grounded conductive base-plate 3 to generate a corona discharge. An aperture 6 in the base-plate 3 communicates with a passage 16 in a head portion 13. A passage 17 communicates with the passage 16 and conducts a stream of gas to deflect the stream of ionized gas in the passage 16 when required. As shown, the deflected stream passes to a drain 18, but in an alternative embodiment the deflected stream is directed toward the substrate (not shown). A plurality of electrodes may be assembled in a single chamber, each electrode being associated with a respective outlet passage (Fig. 2, not shown). In place of a corona discharge, α, #, #, X or U.V. radiation, triboelectricity or microwave breakdown may be employed to ionize the gas in the chamber.
Patent GB-297264-A (GB)
Title: Safety braking device for electrically operated track vehicles
IPC: B60L15/00
Filed: 1927-12-28
Abstract: 297,264. Ewen, A. Dec. 28, 1927. Drawings to Specification. Electric braking. - On an electric railway vehicle driven by one or more electric motors the two reversing controllers are provided with contacts which in the " off " position of both controllers close a circuit through the motor armature and field, so as to brake the vehicle electrically in case it runs away when left standing on an incline.
Patent GB-1271584-A (GB)
Title: Novel dicarboxylic acid esters
Inventor: ESTEVE ANTONIO
IPC: C07D231/36
Filed: 1969-07-14
Abstract: 1,271,584. Antiinflammatory compositions. LABORATORIOS DEL DR ESTEVE SA. 14 July, 1969 [20 July, 1968], No. 35272/69. Heading A5B. [Also in Division C2] Pharmaceutical compositions in conventional forms for oral rectal or parenteral administration and having anti-inflammatory activity comprise a compound of formula: wherein n and m are each integers of I to 5 and a carrier or diluent therefor and optionally a corticosteroid e.g. prednisolone or prednisone.
Patent GB-155281-A (GB)
Title: Improvements relating to the production of yeast
IPC: C12N1/18
Filed: 1920-12-15
Abstract: 155,281. Verein der Spiritus-Fabrikanten in Deutschland. March 16, 1915, [Convention date]. Yeast.-The cultivation of yeast is commenced in a wort of such dilution that the alcohol formed is assimilated as fast as it is produced, more concentrated wort being then added in such proportions that the alcohol continues to be assimilated in the same way. An example is given in which a grain wort is used, the initial concentration being 1 per cent Balling and wort of 12 per cent Balling is gradually introduced, giving an average concentration of 3-5 per cent Balling.
Patent GB-435104-A (GB)
Title: Improvements relating to the casting of aluminium and its alloys
IPC: C22B21/06
Filed: 1933-12-15
Abstract: In a process for treating molten aluminium and its alloys prior to casting, the metal is agitated by any suitable means while maintained in an atmosphere free from hydrogen, water vapour or other hydrogen gas supplied to the space above the metal, the surface of the metal &c. being simultaneously treated with a flux capable of dissolving any oxide present or formed during the process.  The atmosphere may consist of dry nitrogen, carbon monoxide or carbon dioxide and a flux used consists of a mixture of 50 parts of potassium chloride, 40 parts of sodium chloride and 10 parts of sodium fluoride.  The agitation may be effected by mechanical stirring or by treatment in a high frequency furnace. One example of an alloy contains 4 per cent of copper, 2 of nickel, 1,5 of magnesium and the balance aluminium.
Patent GB-342414-A (GB)
Title: Process and apparatus for the manufacture of fused cement
IPC: C04B7/32
Filed: 1929-11-19
Abstract: 342,414. Furnaces for making fused cement. KOHUT, S., 35, Winterfeldstrasse, Berlin. Nov. 19, 1929, No. 35331. Convention date, Nov. 22, 1928. [Classes 51 (i) and 51 (ii).] In apparatus for the manufacture of fused cement comprising a reverberatory melting furnace 1 and a preliminary calcining furnace 6 heated by the waste gases from the furnace 1, the furnaces are connected only through the waste gas flue 12, the calcined material being discharged from the furnace 6 into a scoop or trough 8 which is subsequently pushed into the melting furnace 1 and its contents deposited at any desired part of the hearth. The discharge opening 7 of the furnace 6 and the charging aperture 10 of the melting furnace 1 are controlled by externally operated doors. The gases escaping from the furnace 1 are cooled before entering the preliminary furnace 6 by the provision, in the connecting flue 12, of a regenerator 4, 5 in which the air for combustion is heated, or this cooling may be effected by supplying steam or the waste gases from the furnace 6. A modification is described in which the shaft 6 is replaced by a rotary furnace delivering into the discharge chamber 7.
Patent GB-430655-A (GB)
Title: Improvements in or relating to the production of hydrocarbons by the heat treatment of carbonaceous materials
IPC: C10G47/00
Filed: 1933-12-15
Abstract: 430,655. Destructive hydrogenation. JOHNSON, J. Y., 47, Lincoln's Inn Fields, London.-(I. G. Farbenindustrie Akt.-Ges.; Frankfort-on-Main, Germany) Dec. 15, 1933, No. 35345. [Class 32] In the destructive hydrogenation of middle oils in the vapour phase to produce benzines, preheated hydrocarbons boiling within the boiling point range of middle oils and benzines are supplied to the reaction chamber at at least one point at a distance from the inlet of the initial material in such a manner that the products obtained have a desired boiling point curve. The hydrocarbons added are heated to about 50‹ C., above or below the reaction temperature and are supplied in amount equal to 5 to 30 per cent of the initial material. The reaction is carried out at temperatures of 350-700‹ C., and particularly at 500-600‹ C., at which temperatures a product containing a high proportion of aromatic hydrocarbons is obtained. The reaction is preferably carried out in presence of catalysts, e.g. sulphides, acids, organic halogen compounds, and dehydrogenating catalysts may be arranged near the inlets for the added hydrocarbons. A middle oil is led with hydrogen under 200 atmospheres pressure through heat exchangers B, C, and thence through a pipe system D heated to 425‹ C. The products are then separated by valves E, F, into two branch currents in such a manner that about 80 per cent passes through the pipe G and about 20 per cent through the pipe H into the reaction chamber J charged with tungsten sulphide. The reaction products pass off through the heat exchangers and a cooler K into a receiver L where the pressure is reduced and gases separated through a pipe N. The Provisional Specification states that the process can also be applied to cracking oils. Specification 389,560 is referred to.
Patent GB-212016-A (GB)
Title: Improvements in or relating to electric circuit-breakers
IPC: H01H33/18
Filed: 1922-12-30
Abstract: 212,016. Davies, D. R., and Metropolitan-Vickers Electrical Co., Ltd. Dec. 30, 1922. Oil-switches; sparking, preventing.-In circuitbreakers of the kind in which a reactance is connected in series with the circuit and the trip coil connected across the reactance so as to be operative when the rate of increase of current through the reactance exceeds a predetermined value, the reactance coil is so arranged as to act as a blowout and also to assist, electrodynamically, the movement of the contact-member. In the arrangement shown applied to an oil circuit-breaker, the reactance 17 is located in the tank and is connected in series with the main contacts 1 and 3, 2 and 4 which have sparking contacts 21 and 23, 22 and 24. The reactance coil provides a blow-out field for the sparking contacts and reacts with the movable bridging contact-member 5 to assist the breaking movement when the circuitbreaker is tripped.
Patent GB-1273657-A (GB)
Title: Anthraquinone dyestuffs and process for the impregnation dyeing of synthetic fibre materials, using such dyestuffs
Inventor: NEEFF RUETGER
IPC: C09B1/58
Filed: 1970-07-22
Abstract: 1,273,657. Dyeing in organic solvents. FARBENFABRIKEN BAYER A.G. 22 July, 1970 [6 Aug., 1969], No. 35508/70. Heading D1B. [Also in Division C4] Synthetic fibre materials of polyesters, polyamides, polyurethanes, polyolefins and cellulose acetate are solvent dyed with anthraquinone dyestuffs of the general formula: wherein Hal is halogen e.g. Cl or Br; X is H, OH, C 1 -C 4  alkoxy, amino, C 1 -C 4  alkylamino, cycloalkylamino, arylamino e.g. phenylamino optionally substituted by halogen or trifluoromethyl, arylsulphonylamino, alkylsulphonylamino, a group of the formula: m is 0, 1 or 2; n is 0, 1, 2 or 3; p is 0, 1, 2 or 3; q is 0, 1 or 2 and B and B 1  independently of one another are C 1 -C 9  alkyl, cycloalkyl, or aralkyl, the sum of the carbon atoms in B or B and B 1  being 1 to 9 and the sum n+p+q being at least 1. After impregnation with a solution of the dye in a solvent the fibre material is subjected to a heat treatment at 120 to 230C e.g. a dry heat treatment or a heat treatment in super heated solvent vapour. The solvents used which are preferably waterimmiscible and have boiling points of 40 to 150C include tri- and tetrachlorethylene, 1, 1, 1-trichlorethane and 1, 1, 1-trichlorpropane, and the dyestuff may be dissolved in a first solvent e.g. an alcohol, dimethylformamide, dimethylacetamide, dimethylsulphonide or sulpholane before adding to the water immiscible solvent. Yellow-red-violet-blue shades are obtained.
Patent GB-768175-A (GB)
Title: Improvements in or relating to cathode-ray tubes employing ion traps
IPC: H01J29/84
Filed: 1954-12-10
Abstract: 768,175. Ion trapping in cathode ray tubes. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Dec. 10, 1954 [Dec. 15, 1953], No. 35813/54. Class 39(1). A cathode ray image reproducing tube for oscillography or television has an ion trap gun comprising at least a cathode control electrode, tubular anode and at least one electrode between the anode and the control electrode, the gun axis coinciding with the tube axis, an electrostatic field having a transverse component is set up between the anode and the electrode preceding it, wherein the cross sections of the anode are asymmetrical figures with respect to lines parallel to the plane of intersection of plane Y (at right angles to the plane X of deflection of the ions) and the plane of the paper in Figs. 2 and 3 in such a manner that the length inside the anode of the line of intersection of plane X and the plane of the paper in Figs. 2 and 3 is divided by the point P of intersection with the axis into two parts of different length of which the larger part is located on that side to which the ions are to be deflected i.e. p>q (see Fig. 5), the asymmetrical part of the anode lying at that end of the anode which is nearer to the cathode and extends over a length at least equal to the diameter of the anode aperture at that end, i.e. h# d (over part 24 in Fig. 5). The electrons can thus be made to emerge from the ion trap along the tube axis without the necessity of employing two oppositely directed magnetic deflecting fields. The anode and preceding electrode have inclined ends as shown in Fig. 5 to set up the transverse electrostatic field component, or only the anode may have inclined end, Fig. 4. The anode cross section may be flattened on the side opposite the impact point of the ions, Fig. 2, or in Fig. 3, parts 16, 17 are cylindrical but not coaxial, 16 being struck by ions. In Fig. 4 the anode has a part conical wall 18. In Fig. 5 the anode has a cylindrical part 23 and a conical part 24. The ion trap magnets are adjustable. The anode may have a straight end surface if the end of the preceding electrode is started. The tube has electromagnetic scanning coils.
Patent GB-1068208-A (GB)
Title: Semiconductor device
IPC: H01L21/50
Filed: 1965-08-20
Abstract: 1,068,208. Semi-conductor devices. NIPPON ELECTRIC CO. Ltd. Aug. 20, 1965 [Aug. 21, 1964], No. 35871/65. Heading H1K. A semi-conductor device comprises a plurality of leads 4-12 fused to the glass surface of a base member 1 on which is mounted a semiconductor element 13, wires 4<SP>1</SP>-12<SP>1</SP> establishing connection between the leads and electrodes on the surface of the semi-conductor element, the assembly being enclosed by a cap 14 sealed to the glass surface 2 by a lower melting point glass 15. In Fig. 1, the semi-conductor element 13 is attached to a metal plate 3 which is fused to the surface of glass or glazed metal or ceramic plate 1, fingers 3<SP>1</SP>, 3<SP>11</SP> extending from opposite ends of the metal plate. The arrangement may be produced by using a punched iron-nickel plate which provides a surrounding frame with internally projecting gold-plated fingers, the ends of the fingers being buried in the glass layer of the base member in one operation and after providing the semi-conductor element, the frame is cut away to leave individual fingers bonded in correct positions. The cap 14 of a glass, metal or ceramic has a glazed periphery 15 to provide a seal to plate 1. More than one semi-conductor element may be provided on the header.
Patent GB-1284390-A (GB)
Title: Purification of hydrogen fluoride
IPC: C01B7/19
Filed: 1970-07-24
Abstract: 1284390 Purification of hydrogen fluoride E I DU PONT DE NEMOURS & CO 24 July 1970 [19 Aug 1969] 36089/70 Heading C1A Hydrogen fluoride containing arsenic is purified by distillation at a pressure at or below 25 p.s.i. and removing as an overhead product anhydrous HF containing less than 3 p.p.m. arsenic.
Patent GB-340384-A (GB)
Title: Measuring device for use in connection with the game of bowls
IPC: A63B67/06
Filed: 1929-11-26
Abstract: 340,384. Linear dimension gauges. KELLAR, J. D. B., 2, McLaren Road, Newington, Edinburgh. Nov. 26, 1929, No. 36153. [Class 106 (ii).] Relates to measures for use in the game of bowls of the type in which a tripod stand placed over the " jack " and provided with a pivoted measuring arm is employed and consists in making the measuring arm telescopic, in providing means for centering the device with respect to the " jack," and in providing a handle for operating the device without stooping. The telescopic arm A passes through a hub D having tubular arms B, C on either side of it, and mounted to rotate in a vertical bearing R carried by a tripod N. A block F passes through the hub D and is bored in two directions at right angles, one bore to allow passage of the arm A and the other being screwed to receive a handle J. The tripod is provided with a ring P for centering the " jack." In use the tripod is placed over the " jack and the arm pulled out until the pointer T engages the " wood." The arm may be fixed by screwing in the handle J to cause the block F to bind in the hub.
Patent GB-882142-A (GB)
Title: Vibratory devices and welding devices incorporating the same
IPC: B23K20/10
Filed: 1959-10-26
Abstract: 882,142. Ultrasonic wave couplings. AEROPROJECTS Inc. Oct. 26, 1959 [Feb. 20, 1959], No. 36202/59. Class 40 (4). [Also in Group XXII] In a welding device, ultrasonic vibrations are generated by a magnetostrictive, electrostrictive or piezo-electric generator 22 which is coupled to a workpiece 54, 56 by a cylindrical element 34, an exponentially-tapered element 36 and a cross-bar or tip 26 with two free end surfaces 27. The bar is resonant in a lateral mode at the working frequency. The generator 22, the coupling elements 34, 36 and a tubular support 38 are all one half-wave in length, the flange 44 by which the device is held being at a node. A bending wave is transmitted along the bar and shear waves are transmitted into the workpiece. Springs, compressed-air cylinders or hydraulic cylinders may be used to press the welding tip against the work. Welding may be carried out in the ambient atmosphere or in inert gas or in vacuo. The process is suitable for use with aluminium, aluminium alloy, copper and steel. Similar devices may be used on opposite sides of the workpiece. Specification 837,869 is referred to.
Patent GB-777942-A (GB)
Title: Improvements relating to semi-conductor devices
IPC: H01L21/00
Filed: 1953-12-30
Abstract: 777,942. Semiconductor devices. GENERAL ELECTRIC CO. Dec. 30, 1953 [Dec. 30, 1952], No. 36241/53. Class 37. A semi-conductor device is formed from a monocrystal with adjacent P and N type zones of low conductivity lightly impregnated with acceptor and donor activator respectively by fusing electrodes of acceptor and donor activators respectively to surface regions of the respective zones to actively impregnate the surface regions and thus give them high conductivity. A slice 11 preferably less than 0.04 inches thick of Ge crystal grown by seed withdrawal from a melt, comprising adjacent zones 16, 17 of high resistivity P and N type material respectively with an intermediate junction 18, has electrodeswhich may be air or liquid cooled containing donor and acceptor elements applied to its N and P faces respectively, and is heated to diffuse these elements into the crystal to form low resistivity P and N zones adjacent the electrodes. The acceptor electrode 12 may be of In or an alloy of Ag and In, or an alloy of acceptors, e.g. Ga, In and is diffused by heating to 400 C. for a few minutes, and the donor electrode 13 is of Sb involving heating to 650 C. for a few minutes, or an alloy of Sn and 5-20 per cent Sb or 1-10 per cent As when the diffusion is at 400 C. The rectifier which is completed by connections 14, 15 may be further developed into a transistor (Fig. 2) by cutting parallel grooves 31 through the P (or N) zone into the N (or P) zone to form independent islands 21a of P (or N) type material with their own electrodes 12a alternate ones being connected to form an emitter, while the remainder are interconnected to form a collector and electrode 13 is the base. The slice may be cut from a crystal grown by seed withdrawal from a melt containing traces of acceptor and donor impurities, having different variations of segregation constant with growth rate, in such ratio that at a certain growth rate intrinsic crystal is grown while above and below this rate N and P type material respectively are formed. P-N junctions are grown by variation of the growth rate through the intrisic rate by varying the melt temperature, the impurity gradient at the junction being controlled by the inremental growth rate variation, and the number of carriers by the total impurity concentration in the melt. The melt may for example contain 1-100 mg. of an Sb : Ga 20-65 : 1 alloy per 100 grams of Ge and a growth rate variation from 5 inches to 1 inches/hour at 5 ins./min./min. may be used. Alternatively such a crystal may be grown at a slow constant rate, e.g. < 1 inch/hour and zones of different type produced by successive addition of traces of donor and acceptor impurities. Specifications 700,231, 700,236, 727,900 and 738,231 are referred to.
Patent GB-175162-A (GB)
Title: Apparatus for distributing inert dust in coal mines
IPC: E21F5/10
Filed: 1920-12-29
Abstract: 175,162. Waters, M. M. Dec. 29, 1920. Dust distributors.-Inert dust is distributed in coal mines by a fan 1 and a blowing-channel 3 fed by a dust shoot 4 containing a fixed or moving dividing-device for the dust which is fed on to it by a bucket or like conveyer 6. The dividing- device shown comprises a rotary squirrel cage 11, mounted within a fixed squirrel cage 10, but the outer cage may be the moving one, or both may rotate in opposite directions. The moving parts are preferably operatively connected and driven by hand, or from the axle of a trolly or by independent motor-driven mechanism.
Patent GB-779086-A (GB)
Title: Improvements relating to hook devices for retaining wires, cables and the like
IPC: F16L3/24
Filed: 1953-12-31
Abstract: 779,086. Fencing. DAVIES, R. M. Dec. 30, 1954 [Dec. 31, 1953], No. 36327/53. Class 45. [Also in Group XXV] A retaining hook for securing fencing wire 3 to a post 12, comprising a body 1 bolted to the post and having a ledge 6 to support the wire, and a mousing piece 2 pivoted to ears on the body and having an end 7 which retains the wire on the ledge. The other end 10 of piece 2 co-operates with an abutment 8 to latch the piece in wire retaining position. The wire is releasable by raising end 10, as permitted by pivot slot 4, and turning the piece. In modifications, the end 10 is not re-entrant and the abutment 8 is bent outwardly of the body for co-operation with the end in the latching position.
Patent GB-999354-A (GB)
Title: Improvements relating to liquid storage tanks
Inventor: NELSON WILLIAM RICE
IPC: B65D88/46
Filed: 1963-09-17
Abstract: 999,354. Tanks with floating roofs. TEXAS PIPE LINE CO. Sept. 17, 1963, No. 36493/63. Heading E1T. A tank of the floating roof type provided with a plurality of shoes supporting a primary seal, see Figs. 1 and 3 (not shown) is additionally furnished with a flexibly, tapered secondary seal 50 mounted on said shoes 46a by slot and tongue engagement therewith, the secondary seal having the slot formed in its thickened portion 52 at such an angle that it takes on an S or ogee cross-section when in use. The seal is made of plastic, rubber or synthetic rubber and incorporates bronze reinforcing stips 57 which in a modification, Fig. 2 (not shown) are dispensed with. The seal may be additionally secured by pins or self-tapping screws, see Fig. 6 (not shown).
Patent GB-626354-A (GB)
Title: Improvements in hinge constructions particularly for vehicle ventilating windows
IPC: B60J1/14
Filed: 1946-12-10
Abstract: 626,354. Hinges. FORD MOTOR CO., Ltd. Dec. 10, 1946, No. 36495. Convention date, Dec. 19, 1945. [Class 65 (ii)] [Also in Group X] In an automobile window pivoted about a vertical axis (see Group X), the upper hinge comprises a deep cylindrical cup 23 secured to the frame 13 for the glass and a ball fitting in the cup and carried by a shaft 24 secured to the mounting frame 12, the cup and shaft being long enough to allow considerable free relative vertical movement between the ball and the cup to allow for manufacturing inaccuracies in both directions from a normal position. The ball may have a rubber cap or bushing. The lower hinge comprises a spring-loaded member 17 attached to the frame 13, friction member 18 secured to frame 12, and spacers 19.