baber/WOPTO huggingface dataset:
Patent GB-1079272-A (GB)
Title: Improvements relating to the denitrogenation of hydrocarbon fractions
IPC: B01J23/882
Filed: 1963-11-14
Abstract: Hydrocarbon fractions containing at least 0.001% weight nitrogen and boiling in the range 150-650 DEG  C. are denitrogenated by contacting the fraction in the presence of hydrogen at a temperature of 260-482 DEG  C. and a pressure of 2000-3000 p.s.i.g. with a catalyst comprising one or more hydrogenating components selected from metals of Groups VIa and VIII of the Periodic Table and compounds thereof, e.g. molybdenum oxide/cobalt oxide or tungsten-nickel sulphide on a mixed refractory oxide support consisting of 50-95 weight per cent of predominantly eta-alumina derived from a bayerite precursor, and 5-50 weight per cent of one or more other refractory oxides of elements of Groups III and IV of the Periodic Table, e.g. boria, silica, titania, and zirconia. The space velocity is preferably 0.1-10 v/v/hr. with a gas flow rate of 500-20,000 SCFH/B.
Patent GB-1236271-A (GB)
Title: Method of forming steel powder
Inventor: JOHNSON MILTON
IPC: C21D3/04
Filed: 1968-09-23
Abstract: 1,236,271. Treating steel powder. A. O SMITH CORP. Sept. 23, 1968 [Sept. 28, 1967], No. 45164/68. Heading C7D. Steel powder containing iron oxide is passed through a heating zone in which it is heated to 1450-2100 F, and contacted with a reducing gas the dew point of which is maintained between 5 and 100 F. below the equilibrium value for reduction of iron oxide for the temperatures involved throughout the heating zone. The treatment softens the powder, reduces the carbon content and provides a cake-like structure which can readily be broken up. Alternatively the powder can be heated to 1600-1800F. at the beginning of the heating zone, the temperature being reduced to 1400-1600F. at the end of the heating zone. The dew point of the atmosphere is at 100-145F. at the beginning of the heating zone and is reduced, preferably progressively, to a value below 80F, at the end of the heating zone. The reducing gases, e.g. dissociated ammonia, may be passed through the furnace countercurrent to the travel of the powder and the dew point may be controlled by controlling the rate of flow of reducing gas.
Patent GB-1182158-A (GB)
Title: Method for Inhibiting Polymerisation of Conjugated Dienes.
IPC: C07C7/20
Filed: 1967-09-20
Abstract: 1,182,158. Inhibiting diene polymerization. JAPANESE GEON CO. Ltd. 20 Sept., 1967 [22 Sept., 1966], No. 45324/69. Divided out of 1,182,157. Heading C5E. The tendency of conjugated dienes to polymerize in polar solvent solutions at elevated temperatures, e.g. during solvent extraction or extractive distillation separation processes, is inhibited by adding thereto one or more compounds selected from cinnamic aldehyde, aldol and morpholine. The polar solvent may be acetonitrile, dimethylformamide, acetone or N-methylpyrrolidone, and water may be present. The solutions may additionally contain any of the inhibitors disclosed in Specifications 1,182,157 and 1,182,159, i.e. an α-#-unsaturated nitrile, an aliphatic nitro compound, α-nitroso- #-naphthol, isatine, or an aromatic mercaptan, e.g. thiophenol or thiosalicylic acid; or any of the following previously known inhibitors: sodium nitrite, hydroquinone, Methylene Blue, sulphur, tert.-butylcatechol, #-naphthylamine, furfural, benzaldehyde or an aromatic nitro compound. Examples are given of solutions containing such additional inhibitors.
Patent GB-1436816-A (GB)
Title: Heating apparatus
IPC: H05B3/68
Filed: 1973-06-08
Abstract: 1436816 Resistance heating elements C H VAN TOORN 8 June 1973 45450/74 Addition to 1385273 Heading H5H A heating apparatus, whose principal components are a flattened heating conductor located in a groove in a support member, is generally as described and claimed in the parent Specification 1,385,273 except that (a) the metal layer covering the conductor and the groove is omitted and (b) the claims are restricted to the flattened conductor lying wholly within the groove. The parent Specification's methods of making and using such as heating apparatus are correspondingly modified.
Patent GB-1095065-A (GB)
Title: Improvements in or relating to colour television systems
Inventor: PARKER-SMITH NORMAN NEVILLE
IPC: H04N9/69
Filed: 1965-10-27
Abstract: 1,095,065. Colour television. MARCONI CO. Ltd. July 26, 1966 [Oct. 27, 1965], No. 45506/65. Heading H4F. In a colour television system a high degree of compatibility is achieved, by transmitting a luminance signal Y<SP>1</SP>/γ = (0.59G + 0.30R + 0.11B)<SP>1</SP>/γ two colour signals of the form R<SP>1</SP>/γ- Y<SP>1</SP> and B<SP>1</SP>/γ-Y<SP>1</SP>, where Y<SP>1</SP> = 0.59G<SP>1</SP>/γ + 0.30R<SP>1</SP>/γ + 0.11B<SP>1</SP>/γ, and a luminance correction signal Y<SP>1</SP>/γ-Y<SP>1</SP>. A monochrome receiver responds to the signal Y<SP>1</SP>/γ to produce an image of the correct luminance value, whilst a colour receiver combines the correction signal with the luminance signal to obtain Y<SP>1</SP> which may be used in conjunction with the colour signals to produce an image of correct colour and luminance. It is stated that the invention may be applied to N.T.S.C. and P.A.L. systems, but it is described in detail only as applied to the SECAM (R.T.M.) system in which the colour signals are conveyed by frequency modulation of the sub-carrier. At the transmitter, Fig. 1 (not shown), a SECAM-type signal is produced in the usual manner in response to component colour signals originated by a three- or fourtube camera, but in addition there is produced a luminance correction signal Y<SP>1</SP>/γ-Y<SP>1</SP>. This signal is then amplitude modulated on to the subcarrier. At a colour receiver, Fig. 2 (not shown), an amplitude detector is provided to derive the correction signal which is combined with the luminance signal Y<SP>1</SP>/γ to produce Y<SP>1</SP>. The sub-carrier is amplitude limited before frequency detection to obtain the colour signal. Alternatively the correction signal may be used to remodulate the sub-carrier so as to remove the amplitude modulation by the correction signal.
Patent GB-998309-A (GB)
Title: Electrical signal comparing system
IPC: G06F7/02
Filed: 1961-12-20
Abstract: 998,309. Testing for greater or smaller of two voltages. INTERNATIONAL BUSINESS MACHINES CORPORATION. Dec. 20, 1961 [Dec. 23, 1960], No. 45577/61. Heading G1U. [Also in Division H3] An electrical system for determining the smallest or the largest of n electrical signals comprises an n Î n magnetic core matrix, the n signals controlling both the rows and the columns. Signals W, X, Y, Z, Fig. 1, feed row conductors Rw, Rx, Ry, Rz and column conductors Cw, Cx, Cy, Cz in series. A row conductor Rw includes windings 13 on cores 11 of (n-1) storage cells 10. Column conductor Cw includes a winding 12 on each core of the column. The column includes the storage cell 10a which has no row winding. As shown, the windings 12 and 13 are oppositely poled. The cores are normally set to 0. Row and column windings 12, 13 respectively tend to drive a storage cell to 0, 1. When all the signals are applied together, a column of cores all set to 0 identifies the smallest signal. A row of cores all set 0 identifies the largest signal. The rows are read in sequence by drivers 36 to 39. Output windings on the cores feed output conductors Sw, Sx, Sy, Sz and amplifiers 41 to 44. The output signals are gated by AND elements A (45 to 48) to triggers T (50 to 53) which are normally ON and are set OFF by an output signal. A trigger remaining ON after reading all the rows marks the smallest signal. Equipment for reading the columns in sequence may be incorporated in the same device (Fig. 5, not shown). A biasing conductor linked with windings 23 controls the minimum recognisable difference between signals. The row and column windings 12, 13 may differ so that in each row of storage cells a signal is compared with a constant proportion of the other signals (Fig. 3, not shown).
Patent GB-1240538-A (GB)
Title: Improvements relating to photographic apparatus
IPC: G03B17/04
Filed: 1968-07-25
Abstract: 1,240,538. Photographic cameras. INTERNATIONAL POLAROID CORP. July 25, 1968 [July 25, 1967], No.45623/70. Divided out of 1, 240, 531. Heading G2A. The camera is described in Specification 1, 240, 531 the invention being directed to a folding camera in which a photo-sensitive element is positioned on a first housing section, a mirror is positioned on a second housing section coupled to the first section so that in an extended position the mirror and plane of the photosensitive element forms an acute angle other than 45 degrees, and a lens lying within the acute angle formed by the first and second sections when in their extended position and having its optical axis oriented to direct scene light on to the mirror from which it is redirected on to the photo-sensitive element.
Patent GB-1120114-A (GB)
Title: Improvements in or relating to rotary hydraulic reciprocating pumps and motors
Inventor: THOMA OSWALD H
IPC: F01B3/00
Filed: 1964-11-11
Abstract: 1,120,114. Resilient couplings. UNIPAT A.G. 21 Jan., 1966 [11 Nov., 1964], No. 45876/64. Heading F2V. [Also in Division F1] A torsional vibration damper for damping vibrations in the rotary parts of a reoiprocating pump or motor comprises a ring 27 biased into frictional engagement with diesel engine flywheel 12 and connected by a sleeve 13 to the rotary drive flange 14. The damper will damp vibrations due to torsional resilience of the pump drive shaft 25. In a further embodiment, Fig. 4 (not shown), a viscous fluid damper is provided by fluid fed from the pumping chambers via a passage (32) to a clearance between a recess (31) in the flywheel and a part (30) connected to the drive flange sleeve. The damper may comprise a vane type pump fitted between the flywheel and drive flange.
Patent GB-1249109-A (GB)
Title: Improvements in or relating to prismatic periscopes
Inventor: RICKETS WILLIAM THOMAS
IPC: G02B7/18
Filed: 1967-10-09
Abstract: 1,249,109. Periscopes; prisms. HELIO MIRROR CO. Ltd. Jan. 9, 1969 [Oct. 9, 1967], No. 46102/67. Heading G2J. A periscope for a land vehicle is designed so that reflection therefrom of light sources such as the sun or a searchlight is substantially reduced or eliminated. The periscope comprises a prism 10 having parallel entry and exit surfaces 13, 14 downwardly inclined to the vertical at an angle between 10-40 degrees, parallel internal reflecting surfaces 15, 16 and light absorptive surfaces 17, 18, 19, 20, the prism 10 being mounted in a casing 11 which defines an acceptance angle as the angle between the limiting rays R1, R2 and which is designed so that surfaces 13, 14 are dimensionally substantially the same. In operation light reflected from the entry surface 13 of a source at ground or sky level is directed downwardly whilst light reflected from surfaces 15, 16 from rays such as x admitted outside the acceptance angle and light internally reflected from surface 14 such ray Rr is absorbed within the prism by surfaces 17, 18, 19, 20 and does not emerge from surface 13. A further embodiment is described Fig. 2 (not shown) wherein the periscope comprises two prisms having a sealed airspace therebetween.
Patent GB-979129-A (GB)
Title: Motors for actuating advertising and the like display devices
Inventor: GREEN CYRIL
IPC: H02K25/00
Filed: 1963-11-22
Abstract: 979,129. Electric motors. AUTO-PROJECTION ENGINEERS Ltd. Dec. 17, 1963 [Nov. 22, 1963], No. 46265/63. Heading H2A. A battery - operated interrupter-type display motor comprises a barmagnet rotor between two core-less coils 14 which are energized alternately through interrupters 9. The coils are simply slipped on to the supporting frame 1 without other support, while the magnet is of moulded ferrite and is carried on the rotor spindle 6 through a nylon bush 12. The interrupter contacts are engaged by a finger projecting from a coil-spring gripping the rotor shaft, the current leaving the shaft by spring-brush 19.
Patent GB-1452369-A (GB)
Title: Method of restraining the escape of dust and smoke from a coke dry-quenching chamber
IPC: C10B39/02
Filed: 1974-10-25
Abstract: 1452369 Coke dry-quenching facility NIPPON KOKAN KK 25 Oct 1974 [25 Oct 1973] 46351/74 Heading F4B In a coke dry-quenching installation with a dry quenching chamber 3 which normally operates with quenching gas at a pressure of 0 to 10 mm of water in the upper region (a), automatic controls are fitted to lower the pressure in this region to below atmospheric pressure (0 to -30 mm) when the cover 15 is lifted to charge the quenching chamber, thereby preventing escape of dust and smoke. Red hot coke is charged into chamber 3 through opening 2 normally covered by a lid. The quenching gas is fed in by pipe 14 at the bottom of the chamber and withdrawn at 5 by the circulating blower 13. The used quenching gas is passed through the dust separator 7 to heat-exchanger 9 (e.g. a boiler). The cooled gas is further cleaned in cyclone 11 and forced back into the chamber 3. At the top of the chamber there is a vent 18 controlled by a valve 19. To provide a subatmospheric pressure the valve 19 is closed and a valve 17 opened to allow the returning quenching gas to be vented through pipe 16. The valves 17 and 19 are opened and closed respectively by means detecting the removal of the charging lid or the lowering of the charging bucket (Figs. 2 and 3, not shown) and thereafter controlled by a pressure gauge 20 to keep the pressure inside the chamber at the selected sub-atmospheric pressure.
Patent GB-1360715-A (GB)
Title: Acidic bath for electroplating zinc
IPC: C25D3/22
Filed: 1972-10-09
Abstract: 1360715 Bright zinc electro-plating baths NIPPON KOKAN KK 9 Oct 1972 [16 Nov 1971] 46458/72 Heading C7B An acidic bright zinc electro-plating bath comprises zinc sulphate, zinc chloride, ammonium chloride, sodium succinate, and nicotinic acid amide and/or ethoxylated naphthol sulphonic acid. The bath is stirred vigorously during plating.
Patent GB-1350777-A (GB)
Title: Method for coagulating rubber latex
IPC: C08C1/14
Filed: 1971-10-07
Abstract: 1350777 Coagulating latices; graft polymerization KUREHA KAGAKU KOGYO KK 7 Oct 1971 [8 Oct 1970] 46715/71 Headings C3G and C3P Latices of butadiene homo- and co-polymer rubbers, which have been prepared by emulsion polymerization in the presence of a fatty acid soap, are coagulated by adding thereto, either alternately or simultaneous, a solution of an acidic substance having a concentration in the range of 0À05-1À0 wt. per cent, e.g. dilute HCl or H 2 SO 4 , and a solution of an alkaline substance having a concentration of 0À1-10 wt. per cent, e.g. aqueous NaOH or KOH, while maintaining the pH of the latex in the range 7À0-11À0. The latex may have added thereto, prior to coagulation, a dispersion stabilizer, e.g. sodium dodecylbenzene sulphonate or sodium dioctyl sulphosuccinate. Examples relate to the coagulation of (1) polybutadiene and (2) butadiene/ styrene/divinyl benzene copolymer. The coagulated product of Example 2 is used as base polymer in a graft polymerization process, the added monomers being styrene, methyl methacrylate and a small amount of divinyl benzene.
Patent GB-1205520-A (GB)
Title: Photographic shutter with electronic timing device
IPC: G03B7/083
Filed: 1968-10-03
Abstract: 1,205,520. 520. Photographic shutters. PRONTOR-WERK ALFRED GAUTHIER G.m.b.H. Oct.3, 1968 [Oct.18, 1967], No.46891/68. Heading G2A. An electronically timed shutter in which the exposure time is set by a setting member 16 has provision for the plugging-in of additional exposure controlling devices has an inter-engaging device which permits insertion of a plug into the shutter only after previous movement of the setting member to a certain setting position A, any change in the position of the setting member after insertion of the plug being prevented. Member 16 selects one of a group of resistors 10 which in conjunction with a capacitor C forms an RC timing network. For timing exposures automatically according to the prevailing illumination, a plug connected to a control housing 18 is inserted, thus operating a switch S to put capacitor C out of circuit. The exposure is then timed by photo-resistor 20 and one of the capacitors Ce selected by slide contact 22, selection being according to film speed and aperture. In an alternative embodiment, a plug having contact pin omitted is inserted, the control housing having a set of fixed resistors and a varible resistor. Reference has been directed by the Comptroller to Specifications 1, 106, 310 and 1,101, 365.
Patent GB-1006267-A (GB)
Title: Improvements in or relating to frequency converters
IPC: H02M7/155
Filed: 1962-12-13
Abstract: 1,006,267. Converting. F. R. SAUTER A.G., and AGIE A.G. FUR INDUSTRIELLE ELEKRONIK. Dec. 13, 1962 [Dec. 13, 1961], No. 47193/62. Heading H2F. The description is substantially identical with that of Specification 1,006,269, but the claims are directed to a two-stage frequency converter including diodes between the controllable inverter elements and the ends of the primary winding of the output transformer. Specification 1,006,268 also is referred to.
Patent GB-1450924-A (GB)
Title: Electron beam deflection circuits
IPC: G01R13/22
Filed: 1973-10-10
Abstract: 1450924 Deflection coil driver circuits SIEMENS AG 10 Oct 1973 [23 Nov 1972] 47205/73 Heading H3T An amplifier feeding deflection coils, e.g. for character tracing, comprises a pre-amplifier 15 driving a power amplifier 16 connected to the coils 4, a second path 13 from the pre-amplifier to the coils to provide the high frequency components of the deflection coil drive and a coil 3 connected between the power amplifier and the coils 4 to prevent the high frequency components passing from the second path to the power amplifier. The need for the power amplifier to have a response at the higher frequencies is thus avoided. In Fig. 3, not shown, two such circuits are arranged to provide drive of opposite polarities.
Patent GB-1462985-A (GB)
Title: Gas burner
IPC: F23D14/58
Filed: 1974-11-05
Abstract: 1462985 Burners FURIGAS BV 5 Nov 1974 47828/74 Heading F4T A burner is provided with a pattern of burner orifices constituted by at least three slots 9 parallel to one another and perpendicular to the axis of the burner and three circular holes 10 at each end of each slot, the distance between adjacent holes 10 in the axial and perpendicular directions and between the slots and adjacent holes being the same. The pattern may be repeated at an axial distance along the burner and extended around the burner.
Patent GB-479312-A (GB)
Abstract: 479,312. Suppositories. GOLNIK, P., and GEIGER, 0. Nov. 23, 1936, No. 32031. Convention date, Dec. 11, 1935. [Classes 81 (i) and 81 (ii)] A suppository comprises a medicated mass a on which is fitted a rear cap b, a skin sheath c of soluble gelatine being drawn over the whole and sealed at the rear end. A recess e is preferably provided between the rear end of the mass a and the cap b.
Patent GB-1314076-A (GB)
Title: Fluid logic circuit
IPC: G05B19/44
Filed: 1970-05-12
Abstract: 1314076 Valves INTERNATIONAL BUSINESS MACHINES CORP 12 May 1970 [14 May 1969] 48304/71 Divided out of 1314071 Heading F2V The spring urged spool 3 of a control valve 1 is moved downwardly when operation of a pilot valve 14 directs oil through a line 15, 12 to the space above the spool, the downward movement of the spool being delayed until pressure suddenly builds-up in the line 12 when a free piston 19 moved by the oil bottoms in a cylinder 20. To increase the delay, valves 16, 17, 18 in a bleed line connected to the line 12 are moved from an open to a closed position after, instead of before, the valve 14 is operated. The speed of the free piston 19 is influenecd by the size of an orifice 21 in the line 15, 12. Changeover of the valve 14 directs fluid to the lower ends of the spool 3 and piston 19 to cause them to return, the oil displaced by the piston 19 flowing to a return R via a non-return valve 23. The arrangement described above constitutes part of the control system of Specification 1,314,072.
Patent GB-1280433-A (GB)
Title: Strip of headless fastenings
Inventor: REICH JOERG MATTHIAS
IPC: F16B15/08
Filed: 1970-10-13
Abstract: 1280433 Strips of nails J M REICH 13 Oct 1970 [14 Oct 1969] 48593/70 Heading F2H In a strip of interconnected headless fastenings 2 (102) the thickness of all the fasteners 2, at least when measured at right angles to the plane 4 of symmetry of the strip, is reduced on the same side of the steps 6 formed by such reduction of thickness, Strips of star nails 2 may be formed with two shanks 1 of each nail in the plane 4 connected by webs 11, Fig. 3, and with only their two shanks 5 reduced to form steps 6. The weight of each nail may be reduced by forming the shanks 5 with recesses 10 leaving guide projections 7 and projections 8 adjacent the steps 6 whose sides facing the recess 10 may be shaped like barbs. A strip may be cast in one piece and if placed in a magazine of a percussion tool with its end abutting another strip at least one end nail 2 of each strip arranged as in Fig. 3 must be provided with at least one disc 9 to prevent overlapping. Each nail may have an adhesive coating of a synthetic resin which will liquefy when the nail is struck into a material and later solidify in the material to increase the grip of the nail.
Patent GB-1331791-A (GB)
Title: Sedimentation system
IPC: B01D21/06
Filed: 1970-10-14
Abstract: 1331791 Settling vessel PURAC AB 14 Oct 1970 [31 Oct 1969] 48767/70 Heading B1D [Also in Division C1] A circular sedimentation tank for water and sewage comprises an inlet 1,2,3 which delivers incoming Suspension to the floor of the tank whence it flows upwards, clear liquid overflowing into an array of concentric annular channels 4 supported by vertical outlet pipes 5 through which the liquid is withdrawn. Scrapers 10 depend from rotary bridge 9 and direct settled sludge to well 11 and outlet 12. The tank may be divided by partitions 13 into concentric portions to ensure more vertical flow. Tube 3 encloses an inlet volume wherein aeration, flotation or flocculation may be effected.
Patent GB-1114674-A (GB)
Title: Improvements in or relating to dispensing apparatus for liquids
Inventor: MCENENY JAMES HUGH MONTEITH
IPC: B67D3/04
Filed: 1963-12-11
Abstract: 1,114,674. Valves. SYMINGTON VENDING (SCOTLAND) Ltd. 2 Feb., 1965 [11 Dec., 1963], No. 48860/63. Heading F2V. A valve for dispensing a predetermined quantity of liquid comprises a resilient tube (not shown) connected at one end to a source of the liquid and normally clamped between a movable plate 16 and a fixed plate 14, the former having pins 15 mounted thereon for carrying a plate 17 against which a spring 19 acts to urge the plates 14, 16 together. A solenoid plunger 18 bears against the plate 17 and the valve is opened for a predetermined period by motor-driven cam means which actuate the solenoid switch. In a modification, the spring 19 is replaced by two tension springs acting between plate 16 and a fixed support.