baber/WOPTO huggingface dataset:
Patent GB-1189032-A (GB)
Title: Process for the Manufacture of Nitrogen-Containing Aromatic Dyestuff Materials
IPC: C09B1/36
Filed: 1968-08-19
Abstract: 1,189,032. Process for preparing N-containing dyestuffs. CIBA Ltd. 19 Aug., 1968 [18 Aug., 1967], No. 39662/68. Heading C4P. Nitrogen containing aromatic dyestuffs are prepared by condensing an aryl halide containing a halogen atom which is replaceable under the reaction conditions with a nitrogen compound in which the nitrogen bears a replaceable hydrogen atom in presence of an acid-binding agent and an addition compound of a copper I halide and a tertiary base as catalyst, e.g. addition compounds of cuprous iodide with triethylamine, dimethylaniline, N - methylpyridine, N - methylmorpholine, pyridine, quinoline, picolines, lutidines, collidines, isoquinolines and αα<SP>1</SP>-di-pyridyls. The reaction preferably takes place in an inert organic solvent boiling above 120‹ C., at 120-250‹ C. The preferred aryl halides are anthraquinones and the N-containing compounds may be of the anthraquinone, triazine, carboxylic acid amide, quinazoline, benzthiazole and melanine series.
Patent GB-1378089-A (GB)
Title: Fibre opening mechanism
IPC: D01H4/32
Filed: 1972-08-25
Abstract: 1378089 Opening device for open end spinning machine ELITEX-ZAVODY TEXTILNIHO STROJIRENSTVI GENERALNI REDITELSTVI 25 Aug 1972 [27 Aug 1971] 39684/ 72 Heading DIN An opening device comprises a body having a cavity containing an opening roller 2 and a fibre feeding channel 15 containing a pair of rollers 3, 7 one roller being resiliently pressed towards the other. The part of the feed channel between the rollers and the opening roller is defined on one side by a guide surface 17 preventing premature contact of the fibres with the opening roller. The guide surface 17 is provided with a groove communicating with the cavity. The rollers 3, 7 may be flanged.
Patent GB-1098176-A (GB)
Title: Improvements in control means for conveyor means
Inventor: DAVIES RICHARD EDWARD
IPC: G05D7/06
Filed: 1963-10-10
Abstract: 1,098,176. Automatic control of conveyers. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Sept. 25, 1964 [Oct. 10, 1963], No. 40006/63. Heading G3R. A signal dependent on deviation of the loading of material on part of a conveyer from a datum value is multiplied by a signal dependent on conveyer speed, and the product utilized together with a rate component to control the supply of material to the conveyer. In Fig. 2, the belt 1 of a main conveyer for particulate material bears on a pivoted lever 17 influenced by a balance weight 19 and a centring spring 23. Variations in conveyer load cause, through a rack and pinion 27, rotation of an arm 41 to move a pick-up coil 43 relative to a fixed pick-up coil 45. A disc 35, carrying a permanent magnet 39 influencing coils 43 and 45 and peripheral teeth 37 influencing a further pick-up coil 51, is rotated by a selsyn system (not shown) in synchronism with a tachometer generator-controlled electric motor (not shown) driving the conveyer. The position of coil 43 relative to coil 45 corresponds in magnitude and sense to the deviation in conveyer load from a desired value chosen by weight 19. A gate 55 is opened during the passage of magnet 39 between coils 43 and 45 so that a number of pulses from coil 51, corresponding to the load error, is passed to cold cathode counters 57. The number of sets of these pulses in a given counting period is dependent on the speed of disc 35, and hence conveyer speed, so that an output from counters 57, corresponding to the load error multiplied by the conveyer speed to give a suitable gain, is obtained periodically and applied to an analogue to digital converter 59 which controls the speed of an electric motor driving an auxiliary conveyer (not shown) feeding the main conveyer or the depth of material on the auxiliary conveyer to correct the main conveyer load. Each output from counter 57 is compared with the previous output stored in a device 61 which derives the difference and thus adds a rate of change component to the control system. The electric motors driving the conveyers are supplied and controlled through silicon controlled rectifiers.
Patent GB-1446074-A (GB)
Title: Apparatus for evaporating liquids
IPC: C02F1/06
Filed: 1973-08-23
Abstract: 1446074 Film evaporator ATOMENERGI AB 23 Aug 1973 [28 Aug 1972] 40085/73 Heading BIB The invention relates to an evaporator, which may be one stage of a multistage flash evaporator, in which liquid, e.g. sea water is emitted from nozzle 6 and flows in oppositely curved paths against fixed guide vanes 7 and 8 and then against collector 9 into vessel 5, from which the liquid may be emitted into the next similar stage. The vapour may be condensed on preheater tubes 2 and condensate collected on troughs 3.
Patent GB-971908-A (GB)
Title: Dihydroxybenzhydrylidene cycloalkanes and derivatives thereof
IPC: C07F9/12
Filed: 1960-11-22
Abstract: The invention comprises compounds of formula <FORM:0971908/C1/1> where R is a saturated straight or branched-chained alkylene radical of 3 to 8 carbon atoms, and R1 and R2 are similar or dissimilar and are hydrogen, alkyl radicals of 1 to 6 carbon atoms, alkenyl radicals of 2 to 6 carbon atoms, phenyl-alkyl radicals in which the alkyl radical contains 1 to 3 carbon atoms, saturated or unsaturated, straight or branched chain alkane carbonyl radicals of 1 to 18 carbon atoms which may be substituted by free carboxyl groups or carboxyl groups converted to salts, esters or amides, cyclopentane or cyclohexane carbonyl radicals, or radicals of carbonic, sulphuric or phosphoric acids. The compounds are prepared by forming a double bond by removing a compound R3-R4 from a compound of formula <FORM:0971908/C1/2> where R, R1 and R2 are as above and one of R3 and R4 is hydrogen and the other OH or an ester thereof. The compounds of Formula II are prepared (a) by reacting a Grignard reagent of formula <FORM:0971908/C1/3> where X is halogen and R6 is the same as R2 but is not hydrogen or an acid radical, with a ketone of formula <FORM:0971908/C1/4> where R5 is the same as R1 but is not an acid radical; (b) by reacting a p, p1-dihydroxybenzophenone or alkylated derivative thereof, with a Grignard reagent of formula <FORM:0971908/C1/5> where X is halogen; (c) by reacting an ester of formula <FORM:0971908/C1/6> where R7 is a residue of an alcohol, with a Grignard reagent of formula VI; (d) by reacting a ketone of formula <FORM:0971908/C1/7> with an organo-metallic compound, e.g. a lithium compound of formula <FORM:0971908/C1/8> Compound II is converted to Compound I by heating in a vacuum. Compounds of Formula I where R1 and R2 are alkyl groups may be hydrolysed to the dihydroxy compounds, and these may be mono- or diesterified, mono- or di-etherified, or mono-esterified and mono-etherified. Compounds esterified with polybasic acids may have the free acid radicals converted to salts, esters or amides. Examples are given.  Ketones of Formula III above are prepared by reacting an acid of formula <FORM:0971908/C1/9> or the corresponding chloride with phenol or a phenylalkyl ether, or by oxidation of an alcohol of formula <FORM:0971908/C1/100> Compounds of formula <FORM:0971908/C1/111> where R1 and R2 are as above, are prepared by reacting phenyllithium with the corresponding compound containing a hydrogen atom in place of the lithium atom.  Therapeutic compositions contain the compounds of Formula I together with sugar, starch, gelatin, magnesium stearate, emulsifying agent, corn oil, propylene glycol, polyethylene glycol and water-soluble gum. Examples are given.
Patent GB-1275847-A (GB)
Title: External rear view mirror assembly for a vehicle
IPC: B60R1/06
Filed: 1970-08-20
Abstract: 1275847 External rear view mirrors FECHENBACHER ARMATURENUND METALLWARENFABRIK HOHE KG 20 Aug 1970 [20 Aug 1969] 40238/70 Heading B7J [Also in Division G2] An external rear view mirror assembly for a vehicle comprises a mirror glass 3 mounted in a dished housing 1 by means of a resilient sealing ring 4 interposed therebetween, the ring 4 having a plurality of channels 7 connecting the interior of the housing 1 to the outside of the assembly. The ring 4 has an annular lip 5 embracing the periphery of the glass 3 and an annular disc portion 6 between the reflective face of the glass 3 and the interior surface of the housing. The channels 7 extend right through the lip 5 and then radially inwards to the inner periphery of the portion 6 but only over a part of the thickness thereof.
Patent GB-904543-A (GB)
Title: Improvements in or relating to polyamides
Inventor: ROGIER EDGAR ROBERT
IPC: C08G69/26
Filed: 1960-11-23
Abstract: A process for the production of amino-polyamides comprises reacting a polyamine of the general formula H2NR(NHR)nNH2 where R is an alkylene radical having 2 to 4 carbon atoms and n is an integer from 1 to 4, with a polycarboxylic acid or an ester thereof of the general formula <FORM:0904543/IV(a)/1> where R1 is hydrogen or alkyl radical having from 1 to 12 carbon atoms, x and y are integers from 5 to 11 and may be the same or different, the sum of x and y being from 12 to 20. Specified polycarboxylic acids are those obtained by the addition of carbon monoxide to unsaturated higher fatty acids.  Specified polyamines are diethylene triamine, triethylene tetramine, di-1:3-propanetriamine, tri-1,3-propane tetramine and di-1:2-propanetriamine.  The products of the invention may be used for curing epoxy resins, specified epoxy resins being the reaction products of polyhydric phenols with polyfunctional halohydrins and/or glycerol dichlorohydrin.  In the examples, polyamides are derived from:-(1) diethylene triamine and isomeric heptadecanedioic acid; (2) diethylene triamine and isomeric dimethyl heptadecanedicarboxylate; (3) triethylene tetramine and isomeric dimethyl heptadecane dicarboxylate and (4) diethylene triamine, triethylene tetramine and isomeric dimethyl heptadecanedicarboxylate, the products being used for curing epoxy resins derived from epichlorohydrin and bis-phenol-A. U.S.A.  Specifications 2,585,115 and 2,589,245 are referred to.ALSO:The Specification discloses three methods of making dicarboxylic acids and esters thereof of the general formula <FORM:0904543/IV (b)/1> where R1 is hydrogen or an alkyl group containing 1 to 12 carbon atoms, x and y are integers from 5 to 11 and may be the same or different and the sum of x and y being from 12 to 20 by:-(a) the addition of carbon monoxide and water to unsaturated fatty acids in the presence of a nickel catalyst, (b) the reaction of carbon monoxide and the unsaturated fatty acid in the presence of cobalt carbonyl to produce the alcohol or aldehyde which is oxidised to the acid and (c) the reaction of carbon monoxide with the unsaturated fatty acid in the presence of sulphuric acid or hydrogen fluoride.  Specified unsaturated fatty acids are linoleic, linolenic, ricinoleic and elaidic acid and mixtures and esters thereof.  The example describes the reaction between the methyl esters of tall oil fatty acids and carbon monoxide in the presence of hydrogen and cobalt tallate, the resultant hydroxy and aldehyde esters being saponified, oxidised by fusion with caustic potash, acidified, esterified with ethanol and fractionally distilled to produce isomeric diethyl heptadecane dicarboxylate.
Patent GB-1476308-A (GB)
Title: Method of making an electrical interconnection between battery plates in a pair of adjacent cells of an electric storage battery
IPC: H01M50/529
Filed: 1973-08-25
Abstract: 1476308 Making intercell connections for batteries LUCAS BATTERIES Ltd 15 Aug 1973 [25 Aug 1973] 40372/73 Heading H1B [Also in Division B3] In making an electrical connection between battery plates in an electric storage battery, extensions 14a, 15a on conductive bars 14, 15 connected to the plates are arranged parallel to an apertured partition wall, first and second welding electrodes 18, 19 which are movable together and which carry projections 21, 21 having part spherical or frusto conical end portions are located adjacent the extensions and the projections are caused to deform the extensions to engage one another through the aperture, current then being passed between the electrodes to melt the extensions. A battery box 11 moulded from polypropylene is divided into compartments by walls 12 and in each compartment a pack 13 of lead-acid battery plates and separators is arranged. In the compartments, other than the end ones, the sets of plates are connected to lead alloy bars 14, 15 each provided with an extension 14a, 15a on opposite sides of a partition wall having a hole 12a therein. Each intercell connection is made by placing the welding electrodes 18, 19, on opposite sides of a wall with the projections 21 in engagement with the extensions 14a, 15a in alignment with the hole 12a. Current is passed after the projections have forced the extensions to meet within the hole, thus melting the ex tensions to join them and <seal the hole 12a. When all intercell connections are complete the box is welded to a thermoplastic lid by heat and pressure. The projections on the electrodes may be part spherical or may be formed of two frusto conical portions 22a, 22b, Fig. 5.
Patent GB-1350615-A (GB)
Title: Pilot flame burner
IPC: F23Q9/00
Filed: 1971-08-27
Abstract: 1350615 Pilot burner VSH FABRIEKEN NV 27 Aug 1971 [2 Sept 1970] 40377/71 Heading F4F A non-atmospheric pilot burner comprises a cylindrical tubular portion 2 closed at one end and merging into an internally screw-threaded base portion 6 for the attachment of a gas supply tube, a main lateral gas outlet opening 8 and a second lateral outlet opening 9, and a sleeve 5 mounted on the tube to define an annular space 10 into which opening 9 debouches, the sleeve being formed with three further outlet openings 16 orientated normally with respect to the sloping portion 13 of the sleeve in which they are formed. Both the uppermost and lowermost portions 12 and 11 may sealingly engage the tube 2 or alternatively the upper portion 12 may be spaced from the tube to define gaps 17 for auxiliary gas outlets. Both the tube 2 and sleeve 5 may alternatively have cross-sections other than circular. In an alternative embodiment, instead of a separate sleeve the tube 2 itself is bent outwards over a central section to define the annular space 10 whose inner side is closed by inserting a second tube inside the first tube 2, the second tube having a lateral opening corresponding to the opening 9.
Patent GB-1415305-A (GB)
Title: Electrode assembly for use in corrosive atmospheres
IPC: H05B3/64
Filed: 1972-09-01
Abstract: 1415305 Lead assembly for molten electrolyte furnaces ALUMINUM CO OF AMERICA 1 Sept 1972 [7 Sept 1971 (2)] 40591/72 Heading C7B A lead assembly for supplying current to an electrode or furnace chamber for use in the production of aluminium or aluminium chloride comprises a low resistance electrically conductive lead member of material which is susceptible to corrosive attack by chlorine at 550‹C having a fluid impervious electrically conductive sleeve member of material which is resistant to attack by chlorine at 550‹C, e.g. of graphite; with either (a) the sleeve extending around one end of the lead member, or (b) having a space extending between the lead member and the sleeve, which space is connected to means for introducing fluid thereto. As shown an electrode 14 is positioned abutting wall 12 of an aluminium molten electrolyte cell, and current is supplied thereto via corrosive lead member 16 provided with corrosion-resistant sleeve member 20; the lead member making a force-fit with the sleeve and the sleeve making a force-fit in a bore 18 in the electrode 14. The cell wall consists of a conductive shell 13 and an inner non- conductive lining 12; seal 32 serving to insulate the electrode from the conductive shell 13. Cooling fluid may be passed through passages 44 in the lead 16; and inert fluid may be passed under pressure through 28 to header space 21 and bores 30 between the lead and the sleeve.
Patent GB-1168855-A (GB)
Title: Ice Making Machine
IPC: F25C1/06
Filed: 1967-09-07
Abstract: 1,168,855. Ice-making. COUNCIL MFG. CORP. 7 Sept., 1967 [17 March, 1967], No. 40957/67. Heading F4H. Ice-making apparatus comprises a singlespeed constantly operating centrifugal pump 24 for circulating water in a closed circuit including a refrigerant-jacketed tube 30, and a pressuresensitive switch 86 connected to the water line 30A upstream of the inlet of tube 30, the switch being operable to initiate thawing of tube 30 by hot gaseous refrigerant when the pressure in line 30A rises to a predetermined value consequent on the formation of a desired quantity of ice in the tube. The loosened ice is forced into a bin 40 by the continued pressure of the water from the pump. The latter supplies water at a rate in excess of that required to maintain all of the water in the tube 30 in circulation during the freezing step and the rate of flow is limited by a restrictor valve 29 upstream of switch 86. A further pressure switch 90 is arranged to terminate refrigeration if the pressure at the discharge side of the pump falls to a predetermined value. Tube 30 is of helical form and undergoes an abrupt change of direction at its outlet section 34 so that the hydraulically ejected rod of ice is broken into short cylindrical sections as it passes through said section. Bin 40 may contain a device for shutting down the apparatus when the ice has reached a predetermined level. Water from bin 40 drains into a tank 12, to which make-up water is added under the control of a float 14, and returns to the pump through line 22. The refrigeration system comprises a compressor 104, condenser 110, receiver 114 and expansion valve 116. A hot-gas solenoid valve 126 is provided in a line 124 leading from the compressor discharge side for supplying hot gas to an intermediate point of the jacket of tube 30 through line 120 and to the inlet end of the jacket through checkvalve 122.
Patent GB-929643-A (GB)
Title: Production of dispersable polyethylene waxes
Inventor: SCHROEDER GERD
IPC: C08F28/00
Filed: 1961-11-16
Abstract: Waxy ethylene polymers dispersable in water are produced by polymerizing ethylene at 50 DEG -250 DEG C. and 100-2,000 atmospheres in p  20-80% of an organic solvent containing up to 20% of water in the presence of 0,1-20% of an at least 50% or wholly neutralized unsaturated polymerizable carboxylic or sulphonic acid and free radical forming calalysts.  The acids may be acrylic, methacrylic, crotonic, maleic, fumaric or vinylsulphonic.  An alkali, e.g. Na or K, hydroxide or ammonium hydroxide may be used for neutralization as well as organic ammonium compounds in which the H of the NH4 may be substituted by alkyl, alkoxy, aryl or aralkyl radicals.  Amides or anhydrides of the above acids may be used together with the acids and their salts.  The catalysts, e.g. 0,001-5%, may be organic or inorganic peroxides, e.g. benzoyl, a per salt, peroxyesters, azo compounds or redox systems or the radicals may be produced by high-energy radiation.  Regulators, e.g. allyl acetate, may be used. The solvent may be alcohols, ketones, esters, ethers, lactones, and/or hydrocarbons. Dispersants may be used during polymerization which may be carried out in autoclaves or continuously in flow tubes.
Patent GB-1168499-A (GB)
Title: Improvements in or relating to the Production of Silicon Nitride Articles
Inventor: TAYLOR RICHARD ALAN
IPC: C04B35/591
Filed: 1967-09-08
Abstract: 1,168,499. Sintered silicon nitride. BIRMINGHAM SMALL ARMS CO. Ltd. Aug. 6, 1968 [Sept. 8, 1967j, No. 41053/67. Heading C7D. [Also in Division C1] Silicon nitride articles are produced by first sintering a compact of silicon powder in a protective atmosphere substantially free from nitrogen, and then subsequently nitriding it. The said protective atmosphere may contain argon, hydrogen, or helium and the first sintering may be carried out at temperatures between 800‹ and 1400‹ C ., whilst the nitriding treatment is carried out for about 16 hours at 1350‹C. and 20 hours at 1450‹ C.
Patent GB-1358764-A (GB)
Title: Fuel cell battery
IPC: H01M8/04223
Filed: 1971-09-03
Abstract: 1358764 Automatic voltage control SIEMENS A G 3 Sept 1971 [5 Sept 1970] 41302/71 Heading G3R [Also in Division H1] A fuel cell battery comprises individual cells 6 arranged in blocks 2, 3, 4, 5, the cells of each block being connected in parallel in respect of the oxygen supply which enters the battery at 12, the blocks being serially connected in respect of the oxygen supply. The number of cells in each block decreases in the direction 13 of oxygen flow whereby the oxygen velocity through the cells increases from block to block to compensate for the increase in the accumulation of reaction gases in the oxygen as it flows through the battery. The oxygen flow is regulated by an electromagnetic valve 15 to maintain maximum efficiency under various battery-operating conditions, the valve being operated by a controller 19 responsive to the differences between the voltages across the cell blocks 4, 5. Normally, the oxygen flow through the battery is at a sufficiently low level such that the voltage across block 5 is less than that across block 4 (due allowance being made for the different numbers of cells in the two blocks), this voltage difference being pre-set by the valve 15 to a desired value. This difference is due to the increase of gaseous reaction products accumulating in the oxygen as it flows through the battery. The actual voltage difference between lines 17 and 18 and the desired pre-set differences are compared in the controller 19 which adjusts the valve 15 by controlling the width of constant frequency pulses so as to maintain the pre-set difference with varying changes of e.g. load, electrolyte temperature or fuel concentration. The fuel consists of hydrozine in solution in KOH electrolyte and is supplied to all the cells in parallel across conduits 8, 9, the fuel circuit including a reservoir 7, pump 11 and nitrogen remover 10.
Patent GB-1532130-A (GB)
Title: Removable foldable rotary clothes drier
IPC: D06F57/04
Filed: 1977-10-05
Abstract: 1532130 Rotary clothes drier E ALLESCH and N BANK 5 Oct 1977 [19 Oct 1976 5 April 1977] 41424/77 Heading A4V A rotary clothes drier comprises a post 6 rotatably mounted in a socket 9, arms 2 pivotally connected to the post and extending radially from it, tension members 1 pivotally connected to the post and releasably connected to the distal ends of the arms, and clothes lines 4 extending radially beneath the arms, whereby on detaching the tension members 1 from the arms 2 the arms, the tension members and the clothes lines can fold down to lie along the post. A pin 8 co-operates with holes 7 in the post for adjusting the height of the arms. A cover, e.g. a tarpaulin or canvas, may be placed over the drier so that it acts to protect clothes from the rain or as a sun-umbrella and a garden table may be fitted round the post. Side sheets may be attached to the cover to provide a tent. An arm and associated tension member may be attached to a wall.
Patent GB-1503372-A (GB)
Title: Dredge-spoils-conveying pipe assembly
IPC: F16L23/22
Filed: 1975-10-10
Abstract: 1503372 Pipe joints BALLAST-NEDAM GROEP NV 10 Oct 1975 [18 Oct 1974] 41653/75 Heading F2G A butt joint between flanged 5 steel pipes incorporates a seal comprising an outer steel ring 9 to which is vulcanized and/or bonded an inner elastic natural or synthetic rubber ring 8 that projects unstressed beyond the sides of the steel ring 9, the steel ring 9 being held firmly between the flanged pipe ends at normal working temperatures, e.g. by tensioned bolts through holes 7 in the flanges 5, and the pipes having an internal diameter 50-100 times their wall thickness f. When held between the pipes the internal diameter of the rubber ring 8 is 101-105% of the internal pipe diameter; in the unstressed state the rubber ring 8 projects axially beyond the steel ring 9 by an amount sufficient to provide a seal even when the pipe flanges 5 are separated by the maximum temperature-induced amount.