baber/WOPTO huggingface dataset:
Patent GB-850433-A (GB)
Title: Improvements in or relating to the production of quinonoid compounds
Inventor: HOWK BENJAMIN W
IPC: C07C50/04
Filed: 1958-12-30
Abstract: Quinonoid compounds are obtained by reacting, in a liquid reaction medium, an acetylenic compound with carbon monoxide in contact with a halide, carbonyl, or chelate of ruthenium or rhodium as a catalyst, the acetylenic compound having the formula R - C ­ C-R1 where R and R1 which may be the same or different are hydrogen or hydrocarbon radicals free from non-aromatic unsaturation, or alkoxy, alkoxyaryl, or haloaryl radicals.  Acetylene itself is preferably used as acetylenic compound, but compounds in which R or R1 or both are methyl, ethyl, octyl, dodecyl, phenyl, xylyl, naphthyl, benzyl, cyclohexyl, chlorophenyl, chloronaphthyl, methoxyphenyl, dodecyloxynatphthyl, methoxy, or butoxy radi cals may be used. The liquid reaction medium may be water, an alkanol, cyclohexanol, methyl ethyl ketone, diethyl ether, dioxane, acetonitrile, or tetrahydrofurane.  The catalyst may be ruthenium di-, tri-, or tetrachloride, bromide, or iodide, rhodium tri-, or tetra-chloride, diruthenium nona-carbonyl, ruthenium, dicarbonyl di-iodide, rhodium tetracarbonyl, rhodium dicarbonyl chloride, ruthenium or rhodium acetyl-acetonate.  The halides of ruthenium and rhodium may be used alone or modified with aryl, e.g., phenyl, derivatives of arsenic, phosphorus, antimony, nitrogen, or bismuth.  The nature of the quinonoid product is dependent on the choice of catalyst and reaction medium as well as on the acetylenic starting material.  When using acetylene, ruthenium halide, carbonyl, or chelate catalyst, and an oxygencontaining but non-hydroxylic polar solvent, the major product is quinhydrone.  When the catalyst is rhodium or ruthenium halide, carbonyl, or chelate, and the reaction medium is a hydroxylic polar solvent, the major product is hydroquinone.  The reaction may be carried out at temperatures of 85 DEG -200 DEG  C. under pressures of 50-3,000 atmospheres.ALSO:Rhodium dicarbonyl chloride is obtained by heating a mixture of rhodium trichloride trihydrate, copper powder, and n-hexane in a silver-lined pressure reactor under an initial pressure of 250 atmospheres of carbon monoxide at 160 DEG C.  Rhodium carbonyl is made by injecting carbon monoxide into a pressure reactor containing a mixture of rhodium powder and n-hexane in an atmosphere of hydrogen, a temperature of 179-182 DEG C. and a pressure of 770-950 atmospheres being maintained for 15 hours.
Patent GB-1168686-A (GB)
Title: Roasting Ores.
Inventor: ARRIZAGA CARLOS
IPC: C22B1/02
Filed: 1967-09-18
Abstract: 1,168,686. Rotary retort furnaces. C. ARRIZAGA and A. GAJARDO. 18 Sept., 1967, No. 42468/67. Heading F4B. A rotary retort furnace for roasting ores e.g. molybdenite comprises a series of tubular retorts 36 mounted between hollow disc-like boxes 32 and 34 on a hollow axle 30 driven by motor M and reduction gearing R, the whole being disposed in a reverberating furnace fired by burners 14 in each corner opening into combustion chambers 12 defined by vertical walls extending upwardly into the furnace chamber. The charging ends of the retorts 36 extend through box 32 which is outside the furnace and are closed by doors 38 provided with central ports 42 for the supply of air and for sighting the reaction progress. The other ends of the retorts abut the inner face of box 34 inside the furnace, and open into said box through ports 48, the box itself opening into axle 30 through ports 44. The boxes 32 and 34 are in turn mounted on a truck 50 running on a ball race formed between pairs of rails 53 by an adjustable bearing 56 for the axle 30. In situ the other end of the axle is supported by a bearing 60 outside the furnace. The retorts are charged by a long trough feeder (Fig. 3) and discharged by a rake (Fig. 4) by hand. During roasting air enters the retorts through ports 42 or oxygenated air or commercial O 2  is supplied therethrough, an ejector box 62 supplied with compressed air drawing reaction gases from the retorts and cooling air through the cooler 30.
Patent GB-992985-A (GB)
Title: Improvements relating to apparatus for the separation of small or fine coal, or other particulate material, containing components of different specific gravities
Inventor: EVESON GEORGE FRANK
IPC: B03B4/04
Filed: 1962-11-12
Abstract: 992,985. Pneumatic separating. HEAD, WRIGHTSON & CO. Ltd. Oct. 24, 1963 [Nov. 12, 1962], No. 42734/62. Heading B2H. A fluidized bed separator comprises a bed 2 of porous material with an outlet 9 for the heavy fraction and a weir 141 over which flows the light fraction, gas being introduced from below the porous bed. Apart from the use of a porous bed, the apparatus is as described in Specifications 970,643, 970,644, 971,583 and 992,984, but is provided additionally with a drain 221, Figs. 3 and 4, at the base of the upper fluidized bed. The drain enables the bed to be cleared as may become necessary in the event of spontaneous ignition. The drain 221 runs into the feed pipe 134 which normally delivers the overflow to the lower bed 2 which is a bed of magnetite, galena, or ferrosilicon. The drain is closed by a sliding shutter 225 driven by worm 228. The drain may comprise a separate conduit containing a valve, Fig. 2 (not shown).
Patent GB-1019881-A (GB)
Title: Improvements in gas separation
IPC: B01D53/22
Filed: 1962-11-13
Abstract: 1,019,881. Polymeric organic material as diffusion membrane. E. I. DU PONT DE NEMOURS & CO. Nov. 13, 1962, No. 42813/62. Heading B1L. A gas is separated from a mixture of gases by selective diffusion through a gas permeable membrane of a polymeric organic material in the form of a plurality of hollow fibres of external diameter from 10-250 microns, the external diameter of the fibres, d e , being from 1À18-3À0 times the internal diameter d i , and the expression de+di / de<SP>2</SP>(de-di) being equal to or greater than 20,000 cm.<SP>2</SP>. The following gas mixtures are referred to: H 2 -CH 4 ; He-CH 4 ; O 2 -N 2 ; CO 2 -CH 4 . In the apparatus of Fig. 1, pressure vessel 1 is divided into two compartments 2 and 3 by plate 5. Fibres 10 are doubled over and have their ends sealed through plate 5. The gas mixture is fed in at 6 and diffused gas is withdrawn at 8. Alternatively, bundles of straight fibres closed at their lower ends may be used. In another embodiment, the pressure vessel is divided into three by means of two dividers, and straight openended fibres are sealed through the dividers to project into the end compartments.
Patent GB-1507170-A (GB)
Title: Method for increasing the lifetime of an extraction medium used for reprocessing spent nuclear fuel and/or breeder materials
IPC: G21C19/46
Filed: 1975-10-20
Abstract: 1507170 Processing spent nuclear fuel GES FUER KERNFORSCHUNG mbH 20 Oct 1975 [18 Oct 1974] 42931/75 Heading G6R A mixture of an organophosphorus acid ester and a hydrocarbon which has been used for reprocessing spent nuclear fuel is purified by contact with a 0À1 to 1À0 M aqueous hydrazine hydrate solution at a temperature between 20‹ and 75‹ C. The ester is preferably tributyl phosphate, but trioctyl phosphate and trihexyl phosphate are also referred to. The diluent may be a paraffin, e.g. kerosene, or a naphthalene. The two liquids may be contacted by countercurrent flow, the aqueous hydrazine solution containing the impurities then being treated with formic acid or subjected electrolysis as described in Specification 1,505,157. Following purification according to the invention, the organic phase may be treated with lead tetraacetate or solid lead dioxide mixed with silica gel to effect further decontamination and used again for reprocessing nuclear fuel.
Patent GB-1521037-A (GB)
Title: Manufacture of thin walled plastics articles by thermoforming
IPC: B29C35/04
Filed: 1975-08-07
Abstract: 1521037 Thermoforming PLASTONA (JOHN WADDINGTON) Ltd 7 Aug 1975 [4 Oct 1974] 43081/74 Heading B5A A sheet 30 which is to be thermoformed by conventional means is heated to a controlled temperature by the downwardly directed gas and/or steam jets 28 as it passes through the heating chamber 12. The sheet may be heated by additional means, not shown, and may be kept hot by passing it through a chamber heated by gas to a constant temperature before moulding.
Patent GB-985956-A (GB)
Title: Improvements in the production of caprolactam
IPC: C07D201/04
Filed: 1962-11-14
Abstract: Caprolactom is prepared by rearranging cyclohexanom-oximi with sulphuric acid and neutralizing the sulphuric acid liquor so produced with an aqueous solution of ammonium sulphite and/or bisulphite.  The cyclohexanone-oxime may be prepared from cyclohexanone and hydroxylamine which is made by Raschigs reaction using the sulphur dioxide evolved in the neutralization step.  In a preferred embodiment, the sulphuric acid liquor is neutralized with an aqueous solution containing, per litre, 1.3 to 2.7 moles of ammonium sulphite and 2.7 to 1.3 moles of ammonium bisulphite.
Patent GB-1367321-A (GB)
Title: Method and apparatus for the storage and retrieval of articles
IPC: B65G1/137
Filed: 1971-09-17
Abstract: 1367321 Automatic warehouses; endless chain conveyers H POHL and H R FRANZ 17 Sept 1971 [17 Sept 1970] 43447/71 Headings B8E and B8A Articles are fed from racks 1, Fig. 1, to coded locations on an endless conveyer 2 by inserting devices 3. On instructions from a computer, required articles are fed from the conveyer 2 to a shorter endless conveyer 5 by transfer mechanism 18 and subsequently from the conveyer 5, by further transfer mechanism 18, to a perpendicular conveyer 7 which delivers the articles to a container 9. The devices 3 run on rails on the storage racks and have means for feeding information to the computer. Attendants manually place articles on the conveyers 2 and feed the information through the devices 3. Conveyers 2 and 5 comprise vertical rows of platforms 17, Fig. 4, suspended between guide tracks 20, 21. At the transfer point the conveyers are adjacent each other, Fig. 6, and the articles are pushed from one conveyer to the other by pushers 18 which move synchronously with the conveyers. Similar transfer is effected between conveyers 5 and 7. Containers 9 are fed to the article receiving point via a roller conveyer 11. Articles on the conveyers are monitored by vertical banks of lights alongside the conveyer which, in co-operation with mirrors at the opposite side of the conveyer, register the presence or absence of articles and feed the information to the computer.
Patent GB-435955-A (GB)
Abstract: 435,955. Domestic fire - grates. EMSCOTE FOUNDRY CO., Ltd., and KEMPTON, C. H., Stangate House, Westminster Bridge Road, London, and PEARSON, A. H., 58, Warwick New Road, Leamington, Warwickshire. Aug. 30, 1934, No. 25004. [Class 126] In a domestic fire-grate, of the kind comprising an openwork bottom 14 which may be agitated to clear it of ashes, a front member 13, and an ignition gas-burner 32 extending transversely in front of the latter, the front member is formed with downwardly-directed fingers 20 in line with forwardly-directed fingers 23 formed at the front of the bottom 14, thus producing a series of elongated slots having the combined length of the fingers 20 and 23 through which slots the burner directs its flames. In the grate shown, the fingers 23 extend substantially to the rear of the bottom grate 14, which is pivoted at the back edge so that it may be oscillated by an independent lever 26 pivoted beneath it at 27. The forward end of the grate rests on lugs 25 formed on the end fingers 20. The side members 11, 12 of the grate are formed with fingers 22 in line with corresponding fingers 40 at the sides of the bottom.
Patent GB-1057709-A (GB)
Title: Line tracer scanning head
IPC: B23Q35/128
Filed: 1964-04-15
Abstract: 1,057,709. Photo-electric curve following systems. CANADIAN WESTINGHOUSE CO. Ltd. April 15, 1964 [April 19, 1963], No.43786/65. Divided out of 1,057 708. Heading G1A. [Also in Division G3]  In a photo-electric scanning system for use in a copying-machine a line on a template is illuminated through a transparent nose-cone 70. The reflected light beam, through a lens 73, is incident upon photo-cells 37, 38 which are mounted on an arm 83, pivoted about a shaft 85, having a permanent magnet 95 which co-operates with an electromagnet 100, 101 energized at mains frequency. The oscillations of the arm 83 about the shaft 85 are controlled by a spring 87 damped by a rubber sleeve 88, the natural frequency of oscillation being adjusted by a screw 89. The photo-cells are displaced, to compensate for the width of a kerf cut by the associated machinetool, by a lever 131 acting on a spring-loaded body 99 carrying the photo-cells and magnet. The displacement of the lever 131 is effected by a manually actuated screw 135 through a block 133 carrying a scale read through a transparent cover 136. The photo-cell 37 is employed in a velocity control arrangement and photo-cell 38 in a steering arrangement for movement of the scanning head around a line template to control, by a follow-up system, see Specification 1,057,708 a gas cutting machine tool. The photo-cells are aligned with respect to the line by positioning arrows 93, 94 projected on to the template by lamps 113.
Patent GB-1508969-A (GB)
Title: Arrangement for detecting high voltage
IPC: H02B13/02
Filed: 1976-10-21
Abstract: 1508969 Voltage measuring SIEMENS AG 21 Oct 1976 [24 Oct 1975] 43825/76 Heading G1U Continuity of a connection from a voltage measuring or detecting device 15 to a cylindrical electrode 5 surrounding a high voltage conductor 2, is tested by providing a second independent connection to the electrode 5 and arranging, by switches 11 and 14, that the continuity of both connections can be checked using a battery 13 and a meter 12. By changing over switch 14 so that the battery 13 is connected to the conductor housing 1, it is also possible to test that the insulating bushes 9, through which the connections to the electrode 5 pass, are sound.
Patent GB-1166271-A (GB)
Title: Method of Making a Journal Bearing with a Thin Bearing Layer.
IPC: F16C33/14
Filed: 1966-10-03
Abstract: 1,166,271. Making composite bearings. GLYCO-METALL-WERKE DAELEN & LOOS G.m.b.H. 3 Oct., 1966 [2 Oct., 1965], No. 43994/66. Heading B3A. [Also in Division F2] A bearing shell is formed of a material comprising a backing layer and a bearing layer 12, the hardness of a longitudinal centre zone of the material being less than that of a lateral zone. In Fig. 3 a steel strip 11 with a central portion of reduced thickness is coated with a lead bronze layer 13 to make the cross-section of the strip rectangular. A white metal layer 12 is then applied and the strip shaped into a shell, Fig. 4 (not shown), by lateral deformation. Alternatively a steel strip is repeatedly heat-treated and rolled, or only the centre zone heat-treated, to produce the differences in hardness. The bearing layer 12 may be of PTFE or epoxy resin, layer 13 of aluminium alloy and layer 11 of aluminium. The coated strip may be cut from a larger coated strip.
Patent GB-952888-A (GB)
Title: Two-wheel motor vehicle
IPC: B62K11/04
Filed: 1960-12-22
Abstract: 952,888. Motor vehicles. ETABLISSEMENT VALERCA. Dec. 22, 1960 [Dec. 29, 1959], No. 44100/60. Headings B7D and B7H. A two-wheeled motor vehicle comprises a frame member 6 to which is removably connected the front portion 2 comprising a wheel 1 and handlebars 3. An auxiliary frame 14 is pivoted to a shaft 11 secured to plates 10 welded to the members 9 of frame 6, and supports the motor M upon plates 16, 17, 18 and the rear wheel 15 in plates 22. The frame 6 is suspended upon rubber bands 30 passing over bars 33 and 31, the former being detachably secured to the frame 6 and the latter being held by a screw 36 rotatably mounted in a tube 26 attached to the frame 14 and by means of which the height of bar 31 can be adjusted. The frame 6 may be provided with removable panels and may support a seat 8. The motor M is located near the centre of gravity of the vehicle. The rubber bands 30 may be replaced by springs. Specification 952,887 is roferred to.
Patent GB-1479596-A (GB)
Title: Threshold logic gates
IPC: H03K19/08
Filed: 1973-09-20
Abstract: 1479596 Threshold logic NATIONAL RESEARCH DEVELOPMENT CORP 16 Sept 1974 [20 Sept 1973] 44143/73 Heading G4A Threshold logic gate includes a network of logic cells in a matrix, each cell having two inputs and two outputs, and each cell including an AND gate 16 and an OR gate 14, the two cell inputs being connected to respective inputs of the AND and OR gate, the output of the AND gate forming the first cell output and the output of the OR gate forming the second cell output. The cell at the beginning of each row has its first input connected to an input terminal 20-26 and each remaining cell in each row has its first input connected to the first output of the preceding cell in the row. The cell at the end of each column has its second output connected to a gate output 45-52 and each remaining cell in each column has its second output connected to the second input of the next adjacent cell in the column. In response to gate inputs a number of gate outputs are energized, starting from the left, equal to the number of energized inputs. Weighted inputs, e.g. 20, are connected to the appropriate number of network inputs. The arrangement is such that the output signals build up, left to right, with no transitory signals appearing on higher ordered outputs. One or more thresholds may be established by providing connections, permanent or via a wiper, to the appropriate outputs, e.g. to output 48 for a threshold of flow. Two modifications are described in which, respectively, only thresholds above and below a given value are used. In the former case, Fig. 4 (not shown), the cells to the left of the network are replaced by an AND gate, and in the latter case, Fig. 3 (not shown), some of the cells to the right are replaced by an OR gate.
Patent GB-893585-A (GB)
Title: Improvements in heat sealing methods and means
Inventor: HARBOUR DONALD WILLIAM
IPC: B29C65/00
Filed: 1959-12-31
Abstract: 893,585. Seaming non-metallic sheet material. BRAND & CO. Ltd., R. A. Dec. 22, 1960 [Dec. 31, 1959], No. 44479/59. Classes 42 (1) and 42 (2). [Also in Group XIII] In a method of sealing a seam made by mechanically uniting at the edges thereof, reinforced sheet material having at least one surface of heat sealable synthetic plastic material, with the heat-sealable surfaces on the same face of the united material when extended and the united edges projecting together from said face, molten heat-sealing material compatible with the heat-sealable material on the surfaces is applied to the heat-sealable material of the extended united material over the united edges and a relatively narrow area including the united edges is then placed between compression means so that the applied material is squeezed over the united edges to solidify and thereby produce a weld between the heat-sealable material on opposite sides of the united edges which weld incorporates the edges. Fig. 1 shows apparatus for carrying out the sealing process. Sheet material, the edges of which have previously been united, e.g. by stitching, is passed so that the heat-sealable surfaces with the protruding united-edges are uppermost, between rollers 2 and 8. The lower roller 2 is vertically movable by means of pedal 4 and the upper roller has a depressed surface to accommodate the edges. The upper roller comprises two differential parts 8, each separately driven by chains 13 from freewheel sprockets 17 on the shaft of electric motor 14, and a separate friction held centre section 29 tongued into the two outer parts 8, and is mounted on a fixed spindle 9 which is hollow and expanded into a drum 18 having a baffle 18a, so that cooling water can be passed through it. The motor 14 also drives through a magnetic clutch and gearing 20 a feed means 21, comprising opposite driving cones 24, 25, for a solid rod of sealing material, e.g. polythene. The rod is fed downwards through hopper 26 into tube 27 when it is thermostatically heated by an electric coil 28 and discharged from the other end of the tube in a molten state on to the heat-sealable surfaces of the material so as to form a weld therewith which weld incorporates the united edges.
Patent GB-1061790-A (GB)
Title: Improved rack construction
Inventor: STANLEY SYDNEY WILLIAM
IPC: A47B57/42
Filed: 1962-11-24
Abstract: 1,061,790. Shelves or racks. METAL PRODUCTS (ARDEN) Ltd. Nov. 25, 1963 [Nov. 24, 1962], No. 44537/62. Heading A4B. In a rack, cross members 4, which have L-shaped lugs 6 rigidly secured to their ends, are mounted on slotted uprights 1 by inserting the lugs 6 into slots 2. The cross members 4 may have cleats 12 spaced a short distance from their ends to engage the sides of the uprights 1 and limit lateral movement of the cross members.
Patent GB-941943-A (GB)
Title: Improvements in or relating to cooking apparatus
IPC: A47J37/06
Filed: 1961-12-13
Abstract: 941,943. Cooking apparatus; grills. O. VOIGT. Dec. 13, 1961 [Dec. 13, 1960], No. 44647/61. Heading A4D. The baking apparatus described in Specification 911,013 has its lower shell heating element 20 surrounded by a removable and invertable frustro-conical ring 24 provided with adjustable apertures 26. The upper shell 12 has a handle 18 and is clamped in any desired position by a clamp 16. The lower shell 10 rests in a base 14.
Patent GB-1180087-A (GB)
Title: Improvements in or relating to Mechanism for Producing Apertures in Information Sheets.
Inventor: RAVEN CLARENCE HARRY
IPC: G06K1/06
Filed: 1967-10-02
Abstract: 1,180,087. Punching apparatus. C. H. RAVEN. 11 Sept., 1968 [2 Oct., 1967], No. 44831/67. Heading B4B. A machine for perforating information sheets 30 comprises a base 1, a gantry 2 arranged to traverse the base in one direction and a turret arranged to traverse the gantry at an angle to the direction of travel of the latter, a drilling device mounted in the turret and scales 10, 13 for indicating the position of the drilling device over the sheets. The base is provided with a translucent top 7 over which the sheets 30 are located by means of stops 8. The gantry 2 is movable on guides 9 and locked in the desired position by means of a lever 11. The turret is movable on a guide 12 on the gantry and locked in position by means of a lever (15, Fig. 2). The drilling device is driven by a rotary electric motor and is moved downwardly against spring pressure by means of a lever 17; alternatively the motor could be moved down directly by means of a knob line with the motor. Spring-loaded plungers (18, Fig. 2) are provided for engaging the sheets when the motor is moved downwardly in order to hold the sheet against movement during drilling. A lamp (4, Fig. 2) is mounted under the top 7 in order that the perforations may be clearly seen after drilling.