baber/WOPTO huggingface dataset:
Patent GB-1227512-A (GB)
IPC: F23Q3/00
Filed: 1969-01-15
Abstract: 1,227,512. Igniters. BRAUN A.G. 15 Jan., 1969 [18 Jan., 1968], No. 2297/69. Heading F4F. [Also in Division H2] An igniter for gas burners comprises a magneto-electric device with snap-action interrupter means including a yoke 1, a coil 2, a magnet 3 and an armature 5 rotatable about an axis 4 and having a leaf spring 6, an actuator 8 having a push-button 81 or draw button 82 and an actuating surface 84 to-engage the leaf spring, a further actuating means consisting of an eccentric 11 with an axis of rotation 11 which may be rotated by means of a pulley and string.
Patent GB-1230661-A (GB)
IPC: C07C17/00
Filed: 1968-03-06
Abstract: 1,230,661. Chlorobutadienes. PETRO-TEX CHEMICAL CORP. 6 March, 1968 [6 March, 1967], No. 10885/68. Heading C2C. 1- and/or 2-chlorobuta-1,3-diene are prepared by reacting one or more of 1,2-dichlorobutene, 2,3-dichlorobutane and 2-chloro-butene-1 with at least one quarter mol. of oxygen per mol. of said dichlorobutane or chlorobutene or mixtures thereof present, said reaction being conducted in the vapour phase, at a temperature of from 300‹ to 850‹ C. in the presence of (a) chlorine, bromine or iodine or mixtures thereof, or a compound capable of liberating chlorine, bromine or iodine or mixtures thereof, in such a concentration that there is at least 0.001 mol. of said halogen or halogens per mol. of said dichlorobutane or chlorobutene or mixtures thereof and that there is more than 1.25 mols. of oxygen per mol. of said halogen or halogens, and (b) a catalyst comprising one or more metals of Group IA or IIA of the Periodic Table or inorganic compounds or one or more of acetates, citrates or oxalates thereof; and one or more metals, or one or more inorganic salts, acetates, oxides or hydroxides of one or more metals, of Groups III B , V B , VI B  or VIII or of copper or manganese. Reference has been directed by the Comptroller to Specifications 961,856, 983,951, 992,115, 1,007,489, 1,011,762, 1,027,744, 1,027,745, 1,027,816.
Patent GB-1230788-A (GB)
IPC: G03F7/028
Filed: 1968-08-16
Abstract: 1,230,788. The production of colour images by polymerization. AGFA-GEVAERT A.G. Aug.16, 1968 [Aug.16, 1967], No.39320/68. Heading G2C. A process for the production of coloured photographic images comprises the following steps: (a) exposing a photographic material which comprises at least one silver halide emulsion layer which layer comprises polymerizable dyes containing one or more olefinically unsaturated groups which are diffusible, (b) developing the material with a developing agent which comprises one or more substances which reduce the exposed silver halide and which form oxidation products which cause the acid dyes to polymerise, the polymerised dyes being non-diffusible and (d) either removing the unpolymerized diffusible dye by washing to form a negative image, or removing the unpolymerized diffusible dye by transfer to a receiving layer to form a positive image on the said receiving layer. The silver halide emulsion may contain an uncoloured copolymerizable monomer containing one or two carbon-carbon double bonds. The polymerizable dye preferably contains one to three vinyl groups which may be further substituted. The developing agent is preferably a compound of one of the following formulae:- R 1 -HN-NH-R 2 , R-NH-OH and wherein R is hydrogen, alkyl or aryl; R 1  is a hydrogen atom alkyl containing up to 5 carbon atoms, aryl, acyl or a heterocyclic group, which groups may be substituted; R 2  is a group having one of the meanings given for R 1  or-COR 1  or-SO 2 R 1 ; R 3  is hydrogen or alkyl containing up to 5 carbon atoms and R 4  is alkyl. #-Ethoxyphenylhydrazine, #-N- methanesulphonyl-#-ethoxyphenylhydrazine, 2, 6- ditertlary butyl-4-methylphenol, N-phenyl-N<SP>1</SP>- acetylhydrazine, hydrazine hydrogen sulphate and 2-hydrazinobenzthiazole are disclosed.
Patent GB-1231028-A (GB)
IPC: B65G21/18
Filed: 1968-12-12
Abstract: 1,231,028. Endless conveyers. SOVEX Ltd. 7 Jan., 1970 [12 Dec., 1968], No. 59188/68. Heading B8A. Articles are conveyed along a track 11 having a series of descending convolutions (Fig. 2) each of which has a sinuous layout when viewed in plan (Fig. 1), by the action of a series of pusher rods 20 which extend vertically between an upper conveyer chain (shown diagrammatically at 21) disposed above the uppermost convolution, and a lower conveyer chain disposed beneath the lowermost convolution. The track 11 is formed by rails 16, 17, having load-engaging surfaces of polytetrafluorethylene, nylon loaded with molybdenum disulphide, or any substances impregnated with graphite. The track may have load bearing rollers. The articles may be wire buckets or trays. The latter may carry rollers or low-friction surfaces. The track 11 has entry and exit points 24, 25.
Patent GB-1231193-A (GB)
IPC: H01R4/24
Filed: 1967-06-08
Abstract: 1,231,193. Sleeve couplings. PLESSEY CO. Ltd. 23 May, 1968 [8 June, 1967], No. 26492/67. Heading H2E. A channel-type insulated wire-jointing clip comprises a raised anvil formed at each end of the base of the channel such that when the clip is crimped to interconnect two wires, the free end of each wire will be automatically trimmed, short of the end of the insulation of the clip. A portion of a connector clip prior to the crimping operation is shown, the clip 1 having sharp edged protuberances 4 serving to pierce the insulation of wires A, B and being accommodated in a length 5 of extruded channel of insulating material. The depressions or cut-out windows 1e and complementary projecting ridges If serve to minimize spring-back of the channel walls after crimping and also assist in electrical connection. A bent-over strip 1d of each side wall forms a sharp-edged anvil 1g, the adjacent end of the remaining length of side wall forming a guillotine knife edge lh with a short length of the wall 1i joggled inwardly to produce a more effective cutting action. Modified forms of the anvil are described (Figs. 2 and 3, not shown).
Patent GB-1238710-A (GB)
IPC: H01L21/00
Filed: 1968-11-26
Abstract: 1,238,710. Semi-conductor devices. ALLMANNA SVENSKA ELEKTRISKA A.B. 26 Nov., 1968 [27 Nov., 1967], No. 55958/68. Heading H1K. [Also in Division C7] A solder suitable for use in soldering current terminals on to a semi-conductor wafer 11 consists of a eutectic alloy of gold and thallium, or of an alloy having gold and thallium as the main constituents and a melting point which does not differ by more than 50‹ C. from the melting point of 131‹ C. of the eutectic alloy of 73% by weight of thallium and 27% by weight of gold. The surfaces of the semi-conductor wafer are provided with electrodes 12, 13 of gold or a gold alloy such as gold-silicon-antimony or goldsilicon-boron before soldering, and are then bonded to bolt 14 and counter electrode 15, of copper, copper alloy, silver or silver alloy, serving as the current terminals, by layers 16 and 17 of the solder. A heat sink 32 and casing are provided. Embodiments showing other forms of heat sink and casing arrangements for diodes, transistors and thyristors are described, in some of which support plates of molybdenum and tungsten covered with gold or gold alloy on the solder-facing side may be present.
Patent GB-1250282-A (GB)
IPC: C08F2/22
Filed: 1969-12-24
Abstract: 1,250,282. Chlorinating chlorohydrocarbons. PRODUITS CHIMIQUES PECHINEYSAINT-GOBAIN. 24 Dec., 1969 [27 Dec., 1968], No. 62849/69. Heading C2C. A process for the continuous chlorination of at least one dichloroethylene and/or vinyl chloride in admixture with at least one chloroethane comprises the reaction with molecular chlorine in the liquid phase at 20 to 90 C., in at least two reaction zones arranged in series, in the absence of both light and a catalyst, the chloroethylene containing less than 0-001% by weight of stabilizers. The chlorination may be carried out in an inert solvent e.g. CCl 4  or C 2 FCI 5  and the chlorine in the effluent from the final reaction zone is preferably recovered. The products of the chlorination comprise, inter alia, 1,1,1,2 - tetrachloroethane 1,1,2,2- tetrachloroethane, 1,1,2 - trichloroethane and 1,1,1-trichloroethane.
Patent GB-1251777-A (GB)
IPC: A01N57/22
Filed: 1970-04-22
Abstract: 1,251,777. Phosphoric and phosphonic acid derivatives. FARBENFABRIKEN BAYER A.G. 22 April, 1970 [23 April, 1969; 3 Nov., 1969], No. 19323/70. Heading C2P. The invention comprises compounds of the Formula I where R is optionally halogen-substituted C 1-6  alkyl or alkoxy, or optionally substituted aryl, R<SP>I</SP> is C 1-6  alkyl, R<SP>II</SP> is hydrogen or C 1-4  alkyl, R<SP>III</SP> is C 1-4  alkyl, or aryl, R<SP>IV</SP> is C 1-4  alkyl and X is oxygen or sulphur. The compounds of Formula I are prepared (a) by reacting an ester of Formula IV with a suitably substituted hydrazine, (b) by reacting a salt of Formula II where M is an alkali or alkaline earth metal or ammonium with a suitably substituted 2-halogenoacetic acid hydrazide, (c) by reacting a salt of Formula II with a suitably substituted 2- halogenoacetic acid halide, and then with a suitably substituted hydrazine, or (d) by reacting a compound of Formula VIII with a suitably substituted 2-mercaptoacetic acid hydrazide. The compounds of Formula IV are obtained by reacting a salt of Formula II with an optionally substituted alkyl or phenyl ester of an R<SP>II-</SP>, R<SP>III</SP>-substituted halogenoacetic acid. The compounds of Formula I may be used as insecticides and acaricides either alone or in the form of a composition containing an inert diluent or carrier, and optionally containing other conventional additives.
Patent GB-1252910-A (GB)
IPC: G03G15/11
Filed: 1968-12-20
Abstract: 1,252,910. Drying copy sheets. RICOH K.K. Dec.20, 1968 [Dec.20, 1967], No.60590/68. Heading G2H. In an electro-photographic copying machine, a sheet 2 of zinc oxide coated paper is developed in a liquid bath 1. Rollers 3 and 4 of metal and rubber respectively sqeeze developer on the surface of the sheet 2 back into the bath 1. Rollers 5 and 6 feed the sheet to rollers 10 and 11. The roller 5 has a liquid absorbing layer 8, e.g. of blotting paper or felt on a metal core 7 while the roller 6 may be of metal or rubber. Part of the roller 5 is disposed in a duct 12 connected to a blower (not shown). The air stream produced may be heated or may be the cooling air circulated around the exposure lamp of the machine.
Patent GB-1264586-A (GB)
IPC: H03H2/00
Filed: 1970-02-23
Abstract: 1,264,586. Aerials; radio receiving circuits. MOTOROLA Inc. 23 Feb., 1970 [14 March, 1969], No. 8508/70. Headings H3Q and H4A. In a radio receiver an aerial circuit which presents a high value capacitive impedance is coupled to an R.F. stage which presents a low value resistive impedance by a circuit comprising a tunable series inductance-capacitance circuit, which includes a voltage variable capacitor. As described, an aerial circuit (such as an automobile whip aerial) is represented by a signal generator 9 and a series capacitor 48. Stray capacitance to ground is represented by a capacitor 49, and a shunt capacitor 50 may be provided to adjust the receiver system to cover a desired band of frequencies. A coupling circuit 10 comprises a voltage-variable capacitor 41 (such as a hyper-abrupt varactor diode) in series with an inductor 40. Tuning voltage for the capacitor 16 is obtained from the movable contact of a potentiometer 20, and is applied through an isolating resistor 42. A resistor 52 provides a return to ground for the tuning voltage, and blocking capacitors 44, 53 are provided at the input and output of the circuit 10. The R.F. stage comprises a PNP transistor 12, signals from the circuit 10 being applied across the emitter-base path thereof. A tuned circuit 13 in the collector-base path of the transistor 12, comprises a voltage-variable capacitor 16 and tuning voltage for this, and for a similar capacitor in a local oscillator, is obtained from the said movable contact of the potentiometer 20, through respective isolating resistors 21, 27. In another embodiment, an additional voltagevariable capacitor (60), Fig. 2 (not shown), is provided in shunt across the input of the coupling circuit (10).
Patent GB-1265359-A (GB)
IPC: C08K7/14
Filed: 1969-12-23
Abstract: 1,265,359. Coated glass fibres. ASHAI KASEI KOGYO K.K. 23 Dec., 1969 [24 Dec., 1968], No. 62703/69. Heading B2E. [Also in Division C3] Glass fibres are coated with a styrene polymer, e.g. polystyrene (which may be a high impact type), or a styrene/methyl methacrylate or styrene/acrylonitrile/optionally butadiene copolymer. The fibres may be coated with a solution of the polymer in a solvent, molten polymer or with styrene monomer (which may be in solution in a polymer thereof) which may then be polymerised in situ. The glass fibres may be pre-treated with an aminosilane compound before coating.
Patent GB-1266813-A (GB)
IPC: B65H20/02
Filed: 1970-04-08
Abstract: 1,266,813. Feeding webs. NIPPONDENSO K.K. 8 April, 1970, No. 16729/70. Heading B8R. A roll of web 1 is supported on a reel 2 driven by an electric motor 17, the reel 2 being formed with gear teeth 2a meshing with a gear-wheel 5 which is attached to a feed-roller 3 and which also meshes with a similar gear-wheel (6) attached to a further feed roller (4) spring-biased into contact with the roller 3 (Fig. 4, not shown). In operation, when the motor 17 is energized the reel 2 rotates to drive the feed rollers 3, (4) so that the web 1 is fed smoothly from the roll into a store 9 where it is received by a plate 10 supported by a spring 11; when the weight of the web overcomes the biasing force of the spring 11 the plate 10 is depressed and a switch (12), Fig. 2 (not shown), is operated to stop the motor 17, which is again energized when the weight on the plate is sufficiently reduced by the feeding of the web from the store. The peripheral velocities of the rollers 3, 4 are arranged to be slightly higher than the peripheral velocity of the web roll at its maximum diameter so that the web is tensioned whilst being fed.
Patent GB-1267155-A (GB)
IPC: B31B50/22
Filed: 1970-02-18
Abstract: 1,267,155. Cutting apparatus. G. P. LATROBE SHEA-SIMONDS. 5 Jan., 1971 [18 Feb., 1970], No. 7778/70. Heading B4B. A machine for cutting slots in cardboard sheets comprises a framework a constructed to support a stack of sheets standing on edge in a working space o within the framework, and a rotary chain slotting cutter c extending across the working area and mounted on guide pillars e so as to be movable in a substantially vertical direction. The framework a is provided with rows of rollers h, k for supporting a stack of cardboard sheets in the working space o. The chain cutter c is driven by a motor b mounted in a subframe which is slidable on the guide pillars e; the sub-frame provided with a handle d and counter-balanced by a means g. The stack is held in position during cutting by releasable clamps m.
Patent GB-1290650-A (GB)
IPC: G01R23/04
Filed: 1969-08-05
Abstract: 1290650 Band injection filters WESTERN ELECTRIC CO Inc 5 Aug 1969 [7 Aug 1968] 6468/72 Divided out of 1200953 Heading G2J [Also in Division H1] A band-injection filter specifically for "optical" frequencies comprisis a first transmission line and at least one "resonant cavity" (as disclosed a material having a higher respective index than the substrate on which it is mounted) comprising a second transmission line disposed to form a directional coupler with the first transmission line, and reactive termination loops at each end of the second transmission line. The direction of coupler is that disclosed in Specification 1288953. A channel-dropping filter is also disclosed, and involves a second "resonant cavity" coupled to the first transmission line.
Patent GB-1296821-A (GB)
IPC: G01G15/00
Filed: 1968-09-27
Abstract: 1296821 Weighing apparatus NOVOTECHNICS Ltd 29 Dec 1969 [27 Sept 1968] 46027/68 Heading G1W [Also in Division B8] A machine for dispensing articles such as potatoes in bulk quantities comprises a hopper 1 into which the articles are fed, the hopper 1 having two or more measuring pockets 4 which are open at their upper ends for receiving the articles and are mounted for angular displacement about an axis X-X which is at an angle to the vertical, the machine also comprising a drive for displacing the pockets 4 successively from a filling to a discharge position and a device for releasing the contents of the pockets when in the discharge position to a weighing device. Each pocket 4 may be provided with a trap door 10 which is opened automatically or manually when the pocket arrives at the discharge position to discharge the articles in the pocket to an empty one of a plurality of weighing devices W mounted on a rotatable table T. As the table T is rotated a check weighing operation is effected and corrections may manually or automatically be made to the load before the latter is tipped, at a discharge position, into a bag P which is subsequently moved from the machine by a conveyer 26. The hopper 1 may be fed with material from a base pan 8 by means of an endless conveyer 6 and each of the pockets may have an adjustable base 80 whereby the volume of each pocket can be adjusted automatically in accordance with weighing signals by way of solenoid operated pawl and ratchet arrangements so as to ensure the minimum amount of corrections have to be effected during the check-weighing operations. Manual over-ride arrangements may be provided to prevent a pocket discharging its contents into a weigh pan 13 which is already loaded and to prevent a weigh pan 13 having an underweight or overweight load from discharging its contents to a bag P.
Patent GB-1297757-A (GB)
IPC: E06B5/20
Filed: 1971-04-19
Abstract: 1297757 Soundproof doors; partitions OVERLY MFG CO 19 April 1971 [4 Sept 1970] 27020/71 Headings E1J and E1W A soundproof door or partition comprises a frame which carries one or more panels in receptacles on each face, the panels each being of a hollow construction and carrying an inner, non-rigid limp septum. In the embodiment shown, a door has a hollow metal frame 20 filled with sand, and panels 50 and 52 with metal facing sheets 54, 56 fixed to a hollow, filled frame 58 to which is also attached the septum 66, which is of lead vinyl. Each panel also has vertical stiffeners 70 and is filled with rockwool. Each panel is located around its periphery by a U-sectioned gasket, e.g. 74. The space between the panels contains vertical braces 86 and rockwool 88. At the bottom of the door, pockets 90 and 92 are provided inside the frame and a pocket 94 is provided outside the frame, each with an apertured external surface, and filled with rockwool. In the embodiment of Figs. 4-6 (not shown), each door frame has three panels on each face.
Patent GB-1297925-A (GB)
IPC: G03G21/00
Filed: 1969-12-01
Abstract: 1297925 Electro-photographic processes RICOH KK 1 Dec 1969 [30 Nov 1968] 58494/69 Heading G2H An element comprising a conductive support bearing a photo-conductive layer and a surface insulating layer is repeatedly cycled through a process comprising electrostatically charging, imagewise exposing, developing and transferring; the element being uniformly exposed (preferably with radiation having a wavelength of 600 millimicrons or less) and electrostatically charged with a polarity opposite to that of the first mentioned charge after each said process in order to remove residual charges.
Patent GB-1304971-A (GB)
IPC: C07D277/72
Filed: 1971-04-30
Abstract: 1304971 2-Mercaptobenzothiazole SUMITOMO CHEMICAL CO Ltd 30 April 1971 12471/71 Heading C2C 2-Mercaptobenzothiazole is prepared by reacting aniline, CS 2  and S, first at 250-300‹ C. and then in a second stage at 200-240‹ C., both under superatmospheric pressure. A batch procedure using a single reactor may be used, or a continuous process using two reactors, at least one preferably being of tubular form with a circular cross-section and a length at least 100 x the diameter.
Patent GB-1305390-A (GB)
IPC: B63C9/105
Filed: 1969-05-19
Abstract: 1305390 Life jackets E G MACKENZIE 18 May 1970 [19 May 1969] 25295/69 Heading A3V A self-inflating life jacket comprises an oilskin garment A provided with an outer panel F beneath which a rubber tube B is located and which is inflatable on immersion of the jacket from a cylinder of pressurized gas C through a valve E. Inlets A 1 , A 2 , in the jacket direct water on immersion to a spring-loaded device which triggers the discharge of the gas into the tube. The jacket on inflation of the tube B has a buoyancy of 250 lbs and a wearer is caused to float upright.
Patent GB-1306217-A (GB)
IPC: C07C39/17
Filed: 1969-07-04
Abstract: 1306217 Isobornylphenol and methylethers thereof MAR-PHA SOC D'ETUDE ET D'EXPLOITATION DE MARQUES 3 July 1970 [4 July 1969] 33959/69 Heading C2C The invention comprises a methyl ether of isobornylphenol of formula wherein R 1  and R 2  may be identical or different and each represents a hydrogen or halogen atom or a straight or branched chain (C 1-4 ) alkyl group, provided that R 1  and R 2  are not simultaneously hydrogen atoms. This compound may be obtained by condensing camphene with a methyl ether of a phenol of formula in which R 1  and R 2  are as defined above in the presence of stannic chloride as catalyst. The invention also comprises a process for the preparation of an isobornylphenol of fromula wherein R 1  and R 2  are each as defined above in which the methyl ether of Formula I is demethylated. The examples describes the preparation of the methyl ether of 6-isobornyl- 3,4-xylenol which is subsequently converted to 6-isobornyl-3,4-xylenol.
Patent GB-1307214-A (GB)
Title: Manufacture of cylindrical bodiesfrom metal powder
IPC: B21B27/00
Filed: 1969-04-02
Abstract: 1307214 Moulding metallic powders DAVY & UNITED ENG CO Ltd 24 March 1970 [2 April 1969] 17287/69 Heading B5A [Also in Division C7] A method of manufacturing a composite generally cylindrical body, particularly a roll for a rolling mill, in which a quantity of metallic powder is introduced into a thin-walled mould to form a layer on the inner surface and the mould is then filled with a different metal powder, the mould and powder then being subject to compaction and the powder sintered. A high surface hardness powder is poured into lower portion 3 of a thin-walled metal mould 1 rotating about its vertical axis, through a tube 4 which is gradually withdrawn upwards. The central portion of the mould is filled by passing a powder which may be of lower surface hardness through tube 6 and simultaneously passing powder of high surface hardness through tube 4. Finally upper portion 3 is filled with appropriate powder. The mould is then compressed isostatically by a hot gas such as argon at 1200 to  1300 F. which simultaneously sinters the powders. The mould is finally machined off the sintered, compacted body. Alternatively a rubber or plastics mould is used in which compaction is at ambient temperature and the powders are sintered after compaction. The metal mould and powder may also be compacted between dies in a forging press or other impact machine. The compacted body is then sintered and the mould machined off.