baber/WOPTO huggingface dataset:
Patent GB-269657-A (GB)
Title: Improvements in or relating to gasfilled discharge tubes
IPC: H01J17/04
Filed: 1926-01-20
Abstract: 269,657. Wade, H., (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). Jan. 20. 1926. Vacuum tubes.-A gas filled rectifier has an incandescent cathode and an anode which is so shaped and covered by a body that back ignition is prevented. As shown, a cylindrical anode 2, bearing against the wall of the tube, is covered by a cylinder 3 of metal, such as copper, or of insulating material which may be spaced from the anode by glass sticks 7. The distance between the anode and the cylinder is preferably smaller than the distance through which the first dark space extends. The cathode is preferably coated with oxide and is arranged centrally with respect to the axis of the anode and at a distance from one of the open ends. The lower edge of the anode may be slanting. A potential may be applied to the cylinder.
Patent GB-741830-A (GB)
Title: Overhead urban railway and rolling stock therefor
Inventor: CHADENSON LUCIEN
IPC: E01B25/12
Filed: 1953-01-21
Abstract: 741,830. Overhead railways. SOC. ANON. FRANCAISE D'ETUDES DE GESTION ET D'ENTREPRISES. Jan. 21, 1953, No. 1819/53. Class 104 (2). [Also in Group XXXI] An overhead railway comprises an electrically-driven trolley provided with pairs of pneumatic wheels, which run on elevated runways having horizontally spaced vertical guide surfaces, and with suspension means including a universal joint for a passenger carriage suspended from the trolley below the track, the trolley carrying front and rear pairs of guide wheels rotatably mounted about vertical axes and of which one guide wheel of each pair engages each guide surface to maintain the trolley in alignment on the track. The installation comprises track sections 20, spaced at 28 to allow for expansion, supported by gantries 21 or standards 22. Each track 20 of steel or reinforced concrete has two opposed L-shaped members 25, 26 braced at their tops by girders 27. The upper faces 33, 34 of the horizontal flanges 29, 30 of the members 25, 26 serve as runways for the twin pneumaticallytyred wheels 35, 36 of the trolleys 24 and the vertical edges 37, 38 of the flanges 29, 30 serve as guides for rollers 40, 41 carried by the trolleys. The trolleys, Fig. 4, are driven by bevel gears 45 arranged at each end of the armature shaft of an electric motor 47 supplied with current through a pair of shoes 49 resiliently pressed into contact with conductor wires 50 suspended from the girder 27. The trolleys are provided with internally-expanding brakes 48. The vehicles are suspended from the trolleys 24 by means of a hemispherical ball and socket 55, 54 and shock absorbers 59 limit the oscillations of the vehicle. An inverted T-shaped tongue 69, 70, 71 provided at switch points and pivoted at one end about at pin 66, is supported at its centre by an idler carriage 95 running on rails 90 and is shifted from one position to the other by means of a power-driven carriage 91 mounted on rails 94 and attached to its other end. Cables 97, Fig. 10, for operating the apparatus are carried in supports 96.
Patent GB-1452981-A (GB)
Title: Rotary unions
IPC: F16L27/08
Filed: 1974-01-15
Abstract: 1452981 Pipe couplings; seals BELOIT CORP 15 Jan 1974 01826/74 Headings F2B and F2G In a swivel pipe coupling, having end face sealing at B, differential thermal expansion of rings 12 and 15 is catered for by relative movement at conical interface 14, 18. A secondary seal 17, behind the interface, accommodates the relative movement. Ring 12 may be of carbon or other non-metallic material, ring 22 of cast iron and sleeve 22 of stainless steel.
Patent GB-837688-A (GB)
Title: A process for the catalytic dehydrogenation of alkanes
IPC: C07C5/333
Filed: 1959-01-19
Abstract: Alkanes are dehydrogenated to alkenes and alkadienes in the presence of at least 2 mols. of steam per mol. of alkane over activated amorphous carbon at above 500 DEG  C.  Up to 15 mols. of steam may be used and temperatures up to 750 DEG  C. using space velocities of 50-300 litres of gaseous alkane per litre of catalyst per hour.  The carbon may be derived from peat charcoal, coconut shells, lignite coke, and treated with steam at 900 DEG  C. or higher or may be carbon black.  It is preferably treated with a mineral acid to remove mineral components.  Alkanes of 3-9 carbon atoms may be treated, e.g. butane which is converted to butene and butadiene.
Patent GB-165486-A (GB)
Title: Improvements in storm valve fittings for ships' scuppers, soil pipe outlets and the like
IPC: B63B29/00
Filed: 1920-01-21
Abstract: 165,486. Cammell, Laird, & Co., Ltd., Carter, Sir G. J., Murray, J. D., and Peacock, N. B. J. Jan. 21, 1920. Storm valves.-The discharge pipe outlet 1 in which the storm valve is fitted is provided at the back with a chamber 6 divided off from the interior of the discharge pipe, and in this chamber is housed. an extension 5<a> of the valve spindle 5 which extension is provided with a lever 7 acted upon by a screwed rod 11 working in a tubular stem 10<a> when it is desired to lock the valve. In a modification, the valve, ceat is inclined to the vertical instead of horizontal, and the chamber is located at the side of the discharge pipe. In both cases, the chamber is closed by a cover 10 which enables the valve and its seating to be withdrawn when necessary.
Patent GB-305574-A (GB)
IPC: H01J17/04
Filed: 1929-01-19
Abstract: 305,574. Westinghouse Lamp Co., (Assignees of Rentschler, H. C.). Feb. 7, 1928, [Convention date]. Vacuum tubes.-A vacuum tube serving as a relay is provided with two anodes and a cold cathode, a main anode 3 at some distance from the cathode 2 and a starting anode 4 close to the cathode. The resistance of the tube is broken down by a small current from the starting anode, permitting a larger current to pass from the main anode; the voltage between the auxiliary anode and the cathode may be greater than that between the main anode and the cathode. The tube may be filled with argon at a pressure from 5 to 8 millimeters of mercury, in which case the starting anode may be one millimeter from the cathode, which is one or two inches in diameter with the main anode in the centre, or from a projection 9 thereon. The starting anode may be coated with an active material such as thorium, titanium or uranium, which may have a further coating of barium oxide. The cathode may be coated with a metal of the alkalies, or alkaline earths, or with misch metal. In the arrangement shown, the starting anode is supplied with current from the main circuit 10 through a thermostatic switch 16 and resistance 15, the current from the main anode actuating an electromagnetic relay 13. Other arrangements are described in which the auxiliarv anode current is started by a photo-electric device or by varying the capacity of a condenser. Specifications 175,258, 217,230, and 287,578 are referred to.
Patent GB-575299-A (GB)
Title: Improvements in or relating to heels for boots and shoes
IPC: A43C13/02
Filed: 1944-02-03
Abstract: 575,299. Heels for footwear. WARD, F. Feb. 3, 1944, No. 2014. [Class 17 (ii)] The top piece end of a solid heel a made by moulding or otherwise fashioning wood or other substance is made to correspond in shape with an apertured plate 1 which is applied to and secured to the heel with projections 8 on the heel projecting into the apertures in the plate. The plate 1 may be of metal, fibre, synthetic resin or other material and cast, stamped, or moulded to the desired apertured shape. It may be secured to the heel by screws, nails or cement, with the heel covering, where such is employed, inturned under or above the plate 1. The top piece is secured by fastenings driven into the apertured parts 2 of the plate into the projecting portions 8 of the heel which fit into these apertures. The plate 1 is,provided to prevent splitting or chipping of the top piece end of the heel.
Patent GB-1133958-A (GB)
Title: Process for the manufacture of a distemper vaccine
IPC: A61K39/175
Filed: 1966-01-17
Abstract: 1,133,958. Distemper vaccine. BEHRING- WERKE A.G. 17 Jan., 1966 [19 Jan., 1965], No. 2088/66. Heading A5B. A distemper vaccine for mustelines is prepared by attenuating a distemper virus by at least 50 successive passages in dog tissue cell cultures, subjecting the attenuated virus to at least 10 successive passages in cultures containing musteline tissue cells and nutrient solution, and preparing a vaccine from the resulting virus suspension. Suitable cells are from the kidney epithelium of the dog, and the same organ, or spleen, testicles or uterus of mustelines such as ferrets, minks, martens, ermines, weasels, polecats or sables. Up to nine harvests of virus may be taken from the musteline cell culture, which consists of trypsindispersed tissue in nutrient medium. The virus may be subjected to secondary culture by dispersing the cells of a well developed infected primary culture, sedimenting the cells and resuspending in fresh nutrient solution for further cell growth and virus replication. The vaccine is prepared by addition to the virus suspension of gelatin broth and glucose at pH 7.6, optionally with an adjuvant such as aluminium hydroxide, followed by lyophilisation. The reconstituted vaccine may be administered by injection or as an inhaled spray.
Patent GB-1394301-A (GB)
Title: Milling cutters
IPC: B23C5/22
Filed: 1973-01-16
Abstract: 1394301 Milling cutters GENERAL ELECTRIC CO 16 Jan 1973 [19 Jan 1972] 2147/73 Heading B3K A milling cutter comprises a body 1 a plurality of cutting inserts 5 clamped in recesses 4 of the body by lock pins 12, the cutting edges 14 of the inserts lying in planes forming an angle of less than 90 degrees to the cutter axis 2, and a single wiper cutting insert 5a whose cutting edge 14a lies in a plane normal to the axis. Each recess contains a seat 6, or 6a and side supporting surfaces 10, 11 for the insert. The inserts are indexable and invertable so as to provide four cutting edges on each side, and are arranged in the cutter body so as to have negative rake.
Patent GB-123066-A (GB)
Title: Improvements in Electric Fuse and Circuit Testers.
Inventor: JOHNSON LYNN DUANE
IPC: G01R19/145
Filed: 1919-01-29
Abstract: 123,066. Johnson, L. D. April 7, 1916, [Convention date]. Current detectors; testing continuity of cut-outs. -An apparatus for testing circuits and fuses, and for approximately indicating pressure, consists of an incandescent lamp 16 in series with a variable resistance 21 and with a pair of testing-leads 12, 13. A casing 10 is divided into two compartments, one containing the lamp 16 and the other the resistance 21. The cover of the casing contains a peep-hole through which the lamp 16 may be observed. The resistance in circuit with the lamp 16 is varied according as a spring 27, actuated by a pushbutton 28, engages one or other of two contacts 23, 25.
Patent GB-684005-A (GB)
Title: Improvements relating to ratchet hoists
IPC: B66D3/14
Filed: 1947-11-12
Abstract: 684,005. Casting composite levers. COLUMBUS McKINNON CHAIN CORPORATION. Nov. 12, 1947 [Nov. 13, 1946], No. 2237/51. Divided out of 683,943. Class 83 (i). [Also in Group XXX] The operating lever 70 of a ratchet hoist (see Group XXX) is die-cast on to a bushing 69 which encircles the ratchet-wheel 46, 48. The latter is formed on each side of its ratchet teeth with a smooth bearing surface to receive the bushing 69 which thus straddles the ratchet teeth. The bushing 69 is knurled at 115 to key the die-cast lever 70.
Patent GB-595201-A (GB)
Title: Improvements in solenoids
IPC: H02K33/14
Filed: 1946-02-28
Abstract: 595,201. Interrupters. HOOK, G. R., SMITH, R. W., and WESTOOL, Ltd. Feb. 28, 1946, No. 2270/45. [Class 38(v)] [Also in Group XXXV] A motor comprising a number of plungers connected to a crank shaft or equivalent has the coils energised in sequence by pairs of independently adjustable contacts operated from the shaft by a rocking member, one contact of each pair being carried by a spring. As shown, contacts j, j<1> on member h<2> rocked by the cam g<2> alternately engage contacts j<2>, j<3> carried by leaf springs k, k<1> adjustable in position by screws l in slots l<1> in support h.
Patent GB-174622-A (GB)
Title: Improvements in and relating to apparatus for enlarging and reproducing kinematograph films
IPC: G03B27/475
Filed: 1922-01-25
Abstract: 174,622. Correx M³vek Filmipari GÚpgyßr C. Lßszl¾. Jan. 15, 1920, [Convention date]. Printing-apparatus.-The Specification as open to inspection under Sect. 91 (3) (a) includes, inter alia, (1) means for feeding kinematograph positive and_negative films so as to compensate for inequalities of the perforations and also (2) a claw feed mechanism. (1) In order to compensate for the inequalities of perforation distances from hole to hole, the films are fed over a loose sprocket 79, Figs. 19, 20 (Cancelled) in such a manner that the teeth 82 engage the upper edges of the perforations 83 in the negative film 3 and engage the lower edge of the perforations 84 in the positive 37. The feed sprocket 78 draws the negative film 3, whilst the positive film is drawn through a brake shoe 80, over the loose sprocket 79, and is loosely looped at 37 between the sprockets 79, 78. (2) In the claw feed device, the feed slide 92, Figs. 24 and 28 (Cancelled) is vertically reciprocated by a cam 89 on the rotating shaft 88. The feed pins 95 are moved into and out of engagement with the film 3 by an auxiliary slide 99 mounted on the slide 92 and a second cam 98 on the same shaft 88 which coacts with the faces 100, 101 of this slide 99, at the end of the up or down movement of the slide 92. The auxiliary slide 99 is formed with a forked end 102 which engages a cross-bar 97 on which the pins 95 are mounted. The Specification as open to inspection under Sect. 91 (3) (a) also includes : (1) means for automatically changing the printing light for printing different sections of a negative film and forming the subject-matter of Specification 195,634; (2) means for continuously feeding the negative film and intermittently stopping the positive film so as to print a few pictures from each section of the negative film under different illuminations, and determine what exposure is required for the different sections of film; this matter is included in Specification 195,651: (3) means for locally stretching the film in the printing gate, and included in Specification 195,652.
Patent GB-396056-A (GB)
Title: Improvements in or relating to electrical cut-outs
IPC: H01H87/00
Filed: 1932-01-26
Abstract: 396,056. Current meters. DAVY, W. J., 96, Chatsworth Road, East Croydon. Jan. 26, 1932, No. 2355. [Class 37.] A thermometer mounted in a mercury thread cut-out is calibrated to indicate the current flowing. As shown in Fig. 1, the thermometer is inserted in the removable plunger of a mercury thread cut-out whilst Fig. 3 shows a construction i n which the thermometer is mounted in the cut-out casing parallel to the mercury thread, the thermometer being visible through a window.
Patent GB-1419901-A (GB)
Title: Removal of deactivated catalyst species from a hydrocyanation product fluid
IPC: C25B3/29
Filed: 1974-01-18
Abstract: 1419901 Hydrocyanation process E I DU PONT DE NEMOURS & CO 18 Jan 1974 [19 Jan 1973] 02368/74 Heading C2C Dinitriles are produced by hydrocyanating olefinically unsaturated mononitriles, e.g. 3- pentenenitrile and/or 4-pentenenitrile, in the presence of a catalyst comprising a zero-valent nickel complex of an organic phosphorus compound of the formula PZ 3 , wherein Z is a radical OR, R being an aryl radical having up to 18 carbon atoms, and a promoter, to obtain a product fluid which is heated after completion of the reaction at 90 to 175 C. to render the deactivated nickel catalyst species contained therein insoluble in the product fluid, and separating the insoluble nickel species therefrom.
Patent GB-620808-A (GB)
Title: Improvements in or relating to hand drills
IPC: B23B45/06
Filed: 1947-01-27
Abstract: 620,808. Hand drills. LAYTON, D. A. Jan. 27, 1947, No. 2412. [Class 83 (iii)] In a hand drill of the type in which the drilling bit is held in a chuck 12 secured to a spindle 15 having a pinion 14 rotated by a crown wheel 8, the main shaft 1 of the drill is provided at one end with a boss having a number of radial apertures 5 to selectively receive the spindle 15 so that the latter can be angularly adjusted about the axis of rotation of the crown-wheel. A spring-loaded ball catch 17 holds the spindle in position. The handle 19 is connected by a lug and screw 21 with an extension of the main shaft so that it is angularly adjustable with respect to the latter. The facing surfaces of the extension and lug are formed with serrations which co-operate to retain the handle in the required position when the screw is tightened.
Patent GB-1458211-A (GB)
Title: Composite materials
IPC: C05F11/00
Filed: 1973-01-17
Abstract: 1458211 Mulch made from tree-bark J R AARON A COURTS and B W HOLTAM 9 Jan 1974 [17 Jan 1973] 2464/73 Heading C1B A composite material for use as a horticultural mulch comprises tree bark in subdivided fibrous form bonded into a coherent mass by a minor proportion by weight of a biologically degradable nitrogenous binder wherein the bark fibres have lengths between 0À025 and 3 inches and in which at least half of the fibres have an aspect ratio of at least 2 : 1; and may be obtained by a process comprising intermixing tree bark in subdivided fibrous form with a water-soluble animal glue in granular solid form and compressing the resulting admixture at a temperature between 50‹ and 120‹ C., at a pressure sufficient to yield a coherent composite having a mean density of up to about ¢ ounce per cubic inch. The bark desirably has a water content of 10 to 40% by wt. Phosphates and/or fungicides may be present. The composite suitably is in the form of a sheet, especially in the shape of a disc with a radial slot.
Patent GB-1420161-A (GB)
Title: X-ray inspection system
IPC: G01N23/04
Filed: 1973-01-17
Abstract: 1420161 X-ray TV apparatus USS ENGS & CONSULTANTS Inc 17 Jan 1973 [18 Jan 1972] 2473/73 Heading H4F In X-ray TV apparatus, e.g. for X-ray examination of tyre 10, X-rays passing through the tyre form a visible low intensity image on fluorescent screen 20. This is reflected and focussed by optics 22, 23 on to a fibre optic image transmitting layer 26. A photo-cathode layer 27 formed on the inner ends of the fibre optics causes an electron image to be produced which is directed by focussing electrodes on to an integrating target 29. After integration, e.g. for 1 sec. a television camera 30 reads out the integrated image, with a single frame scan, into a storage means (tube) 35. The stored image can then be repeatedly viewed on TV monitor 37. The integrating target is erased so that the tyre can be turned by rollers 12 under the control of a timing device for examination of a different section.
Patent GB-448644-A (GB)
Title: Improvements in or relating to electrically heated boiling plates and the like
IPC: H05B3/68
Filed: 1935-01-26
Abstract: 448,644. Electric hot-plates. SIMPLEX ELECTRIC CO., Ltd., DAVIS, P. W., and BARTON, A. V., 159, Great Charles Street, Birmingham. Jan. 26, 1935, No. 2649. [Class 39 (iii)] An electric hot-plate includes a thin metal top plate formed of sections 9, each having flanges 11 which abut and are secured together rigidly, for example, by welding. The heating wires 7 are threaded through refractory insulating blocks 13 which are held in position by inturned flanges 10. Strips 15 are welded across the bottom of the plate to strengthen it. The plate is held in an outer frame 8 by clips 19.
Patent GB-1038791-A (GB)
Title: Demodulating device for stereo composite signals
IPC: H03D1/22
Filed: 1964-01-22
Abstract: 1,038,791. Stereophonic radio receivers. TOKYO SHIBAURA ELECTRIC CO. Ltd. Jan. 22, 1964 [Jan. 23, 1963], No. 2760/64. Heading H4L. In a demodulator for a composite stereophonic signal of the type in which the regenerated subcarrier is used as a switching signal to gate a diode bridge circuit to produce the left and right signals, an additional portion of the composite signal is fed into the output of the bridge circuit in such phase as to reduce crosstalk. As shown in Fig. 4, the composite stereophonic signal is supplied via an amplifier 39 to a tuned transformer 45 selecting a pilot frequency for controlling the subcarrier generator 48 whose output is supplied via a transformer 49 to the diode bridge 52. The composite signal appearing across resistor 43 in the emitter circuit of the amplifier 39 is supplied via a filter 62 removing an unwanted (SCA) subcarrier to an amplifier 64 which supplies the composite signal derived from its collector circuit in conventional manner to a centre tap on the secondary winding of the transformer 51. The resultant L and R signals appearing at terminals 56, 59 respectively contain a crosstalk component which is balanced out by the insertion of a portion of the composite signal derived from the resistor 69 in the emitter circuit of the transistor 64 and supplied via an adjustable resistor 71 to the junction of resistors 53, 54 in the output circuit of the diode bridge.
Patent GB-624665-A (GB)
Title: Improvements relating to the production of molten metal in rotary kilns and the like
IPC: C21B13/08
Filed: 1947-01-29
Abstract: A process for the production of molten metal of the iron group in a rotary kiln, drum furnace or the like, by melting of scrap or by reduction of ore containing, for example iron carbonate or by both simultaneously, in which slag-forming materials containing carbon dioxide and including enough calcium carbonate to produce a non-fluid purifying slag are passed continuously through a calcining zone, carbon, which is used as a reducing agent or to provide a reducing atmosphere, being brought into contact with the slag-forming materials only after the calcination and the slag formed being discharged separately from the kiln.  The slag-forming materials may be such that they are converted into cement or lime simultaneously with the formation of molten metal. They may contain calcium sulphate in which case the greater part of the sulphur is expelled as sulphur dioxide during calcination. Carbon monoxide produced in the reduction zone may be burnt by addition of air to the kiln, to provide the heat necessary for calcination of the slag forming materials. Alternatively, a part of the gases from the reduction kiln may be used to preheat air used in the reduction zone or the calcining zone. The reducing and calcining zones may be in a single kiln or they may be in apparatus separate from but connected to each other (see Group XII).