baber/WOPTO huggingface dataset:
Patent GB-931353-A (GB)
Title: Improvements relating to fire-fighting apparatus for delivering foam or water
Inventor: NEUHAUS HANS WERNER SAMUEL
IPC: A62C5/00
Filed: 1958-11-13
Abstract: 931,353. Fire-extinguishing. PYRENE CO. Ltd. Nov. 13, 1959 [Nov. 13, 1958], No. 38274/59. Divided out of 931,351. Class 47. In fire-fighting apparatus delivering foam or water in which water mixed with a foamstabilizing material passes through a jetforming device 10 on the downstream side of which air is drawn in at an orifice 25 by the resultant jet, the device 10 is movable to increase the cross-sectional flow area for the passage of water and means, e.g. a float valve 29, is provided responsive to the resultant pressure change to close the air inlet 28. The movement of the device 10 causes the apparatus to deliver water alone instead of foam, as described in Specification 931,351. The apparatus can be used with a nozzle automatically adjustable to deliver foam or water as described in Specification 931,352. Specification 602,654 also is referred to.
Patent GB-1455050-A (GB)
Title: Recovery of group-i-b metal halides from bimetallic salt complexes
IPC: C07C1/00
Filed: 1974-09-03
Abstract: 1455050 Metal halides; removal of acetylene, carbon monoxide; from gases TENNECO CHEMICALS Inc 3 Sept 1974 [17 Sept 1973] 38493/74 Heading C1A Group Ib metal halides are recovered from a solution of M I M I X n .Ar (wherein M I  is a Group Ib metal, preferably copper (I), M II  is a Group IIIa metal, preferably aluminium, X is a halogen, preferably chlorine, n is equal to the sum of the valencies of M I  and M II , and Ar is a monocyclic aromatic hydrocarbon having 6-12, and preferably 6-9, carbon atoms) in an aromatic solvent by contacting with anhydrous ammonia, whereupon solid M I  halide is precipitated, and separating the solid M I  halide. The recovery is suitably applied to solutions which have been used in the removal of, e.g. acetylene and carbon monoxide from gases and from which the absorbed gases have been stripped; in this case, the Group Ib metal halide may suitably be used to prepare a fresh sorbent solution.
Patent GB-939768-A (GB)
Title: Process for the preparation of aromatic compounds from acetylenically unsaturated hydrocarbons
IPC: C07C2/48
Filed: 1961-10-27
Abstract: Mononuclear aromatic hydrocarbons are obtained by the cyclizing polymerization of acetylenic hydrocarbons, or their mixtures, containing no other polymerizable unsaturated bond, in the presence of a catalyst which is a tungsten halide or oxyhalide or mixtures thereof in the absence of any reducing compounds. Preferably the reaction is effected by introducing the acetylene into an inert solvent containing the catalyst, the acetylene being added as a gas or liquid; alternatively the acetylene is passed in the gaseous phase over the catalyst which may be supported on pumice or asbestos. Suitable acetylenes are acetylene, methylacetylene, ethylacetylene, dimethylacetylene, diethylacetylene, diphenylacetylene or mixtures thereof.  The catalyst may be WCl6, WOCl4, WBr5, WBr6, WOBr4, o WO2Br2.  The solvent may be aliphatic, cycloaliphatic or aromatic and preferably boils above the product which may then be continuously distilled off as formed.  The solvent contains 2-40 grams of catalyst per litre and reaction is effected at -10 DEG  to 200 DEG C. and 100-800 mm. Hg.
Patent GB-1349490-A (GB)
Title: Temperature control system
IPC: G05D23/30
Filed: 1971-08-18
Abstract: 1349490 Automatic temperature control ROBERTSHAW CONTROLS Co 18 Aug 1971 [19 Aug 1970] 38786/71 Heading G3R In an automatic temperature control system (e.g. for air conditioning) comprising heating and cooling means (not shown), a room thermostat control unit incorporating a sensor 31 Fig. 5 (e.g. an NTC thermistor) responsive to the temperature of a media to be controlled and in heat exchange relationship with an anticipatory heater 33, there is provided a heat shield 35 interposed between the sensor and the anticipatory or feedback heater 33 to delay heating of the sensor by the heater for a predetermined period, whereby to prevent short-cycling of the thermostat unit. The desired room temperature is pre-set on a resistor 61 in bridge 19. During alternate halfcycles when the upper end of secondary winding 53 goes positive relative to the lower end, if the sensed temp. is below the desired temp., the resultant increase in resistance of sensor 31 will unbalance the bridge so that node 79 will be more positive than node 51. This causes triggering of an SCR 21 which conducts passing current through the anticipating heater via coil 53 and a resistance 23. Thereby current through R23 increases sufficient to operate a thermostatic bi-metal blade controlling a heating unit 25 for the media. Consequently the resistance of a series path including R23 and the sensor 31 increases and thus current therethrough decreases so that the self heating of the sensor is reduced. The sensor accordingly cools to a temperature below the selected target temperature of the media at which the SCR is triggered, thereby latching the SCR in its triggered state during alternate half cycles of the supply, and preventing shortcycling. The decrease in self heating gives a false indication that the sensed temp. of the media is lower than its actual temp. so that the media will be heated to above the desired value before the SCR is blocked. The feedback or anticipatory heater is provided to prevent such overshoot, but would diminish the desired "latch-on" effect. Thus the heatshield (e.g. aluminum) is interposed to delay heating of the sensor by R33 for a predetermined period after conduction of the SCR has been initiated, during which period the trigger signal will consequently be maintained. Eventually the heat shield will pass sufficient heat to the sensor so that the SCR will be cut off when the target temp. is reached. A second thermostatic switch 59 is operated by resistance element 57 and in turn operates air conditioning or cooling equipment (not shown) when the sensed temp. is above the target value. Thus during half cycles when the lower end of the secondary 55 is positive, the decrease in resistance of the sensor unbalances the bridge so that node 79 is more positive than node 51 and the SCR will fire thereby increasing current through element 57 to operate thermostatic switch 59.
Patent GB-1124783-A (GB)
Title: Vehicle guidance system
Inventor: GILES CYRIL GEORGE
IPC: G05D1/02
Filed: 1964-09-23
Abstract: 1,124,783. Inductive control of vehicles. NATIONAL RESEARCH DEVELOPMENT CORP. 17 Sept., 1964 [23 Sept., 1964], No. 38827/64. Heading H4U. In an automatic guidance system for vehicles, a cable energized by alternating current extends along one edge of the desired path and a sensing element consisting of a ferrite rod (10), Fig. 1 (not shown), carrying a sensing coil (11) tuned by capacitors to the frequency of the alternating current, and a coupling coil (12), is mounted on the vehicle. The voltage induced in the coil (11) will vary with the distance between the leader cable and the coil (11) and this voltage after amplification by transistors T1 to T4, Fig. 3 is rectified by transistor T5 and supplied via emitter-follower T6 to one side of a centrezero meter M1. A reference voltage representing the correct distance from the edge of the path is derived via transistors T8, T7, stabilized by Zener diodes D3, D4, and fed to the other side of the meter so that the magnitude and sense of any deviation from the required course will be indicated. Any difference signal is also applied to a recording device and also controls the steering of the vehicle.
Patent GB-920507-A (GB)
Title: Method and means for continuous manufacture of a ceramic strip of material
Inventor: RAGAN RANDALL CREECH
IPC: B28B3/12
Filed: 1959-11-16
Abstract: 920.507. Moulding ceramic materials. GLADDING McBEAN & CO. Nov. 16, 1959, No. 38840/59. Class 87(2). A method of moulding finely divided ceramic material, containing not less than 30% of particles passing a 60 mesh sieve, into a strip comprises passing the material downwardly by gravity to the nip of a pair of rollers travelling at the same speed, wherein the relationship between the thickness of the strip and the radius R of the rollers is R/R+T = 0À950 to 0À980 and continuously discharging the moulded strip. Compositions of ceramic materials and sieve sizes are given. In Fig. 1 the material is rolled by rollers 10, 101 and discharged on to a belt 16 where it is coated with glazing material from rollers 11, 11<SP>1</SP> and fed to a stamping machine 18. In Figs. 5 and 6 the rollers are worm driven and one roller 64 has end flanges whose height is between 1À5 and 4 times the nip gap. The material is discharged on to an adjustable guide 67 and thence to a transverse cutting knife 71, angularly adjustable to travel with the strip to cut squarely and operated electrically by a cam on a roller 75, and to side trimmers 81 and ploughs 85. The cutting knives 71, 85 may only score the strip which may be fed through rollers 97, 98, Fig. 8, to a roller 99 located beneath the nip of the rollers 97, 98 to break the strip across the score marks. The rollers 10, 10<SP>1</SP>, may be profiled to impress on the strip a pattern of tiling, Fig. 2 (not shown), and one roller, Fig. 3 (not shown), may be have protruding bevelled edges to form a chamfer 4 on the sides of the rolled strip, Curing ovens and cooling means are provided.
Patent GB-1500248-A (GB)
Title: Pinch roller actuating device
IPC: G11B15/29
Filed: 1976-09-20
Abstract: 1500248 Pinch roller actuating device BELL & HOWELL CO 20 Sept 1976 [20 Sept 1975] 38844/76 Heading G2E The mechanism for bringing the pinch roller into engagement with the capstan in a sound film camera is so arranged that such engagement is brought about rapidly instead of gradually, so that the film is transported immediately at the proper speed, instead of below speed for perhaps a frame or two. As shown, the capstan 1 is rotated smoothly and continuously by a motor-driven fly wheel 2. The pinch roller 3 is carried on a bracket 5 which pivots on an axis 4, the bracket 5 having an arm 8 with a lug 7 at the farther end. A trigger member 9 can pivot on an axis 10, its movement being limited by stops 11a to and 11b. In the rest position of Fig. 2 (not shown) and Fig. 1, the trigger member is urged by a spring 12 to abut against stop 11a. A blocking tab 18 forming part of the trigger member lies in the vicinity of lug 7. Pivoted on trigger member 9 by an axis 14 is a lever 15, also connected to the trigger member by a spring 17 which biases the lever clockwise. When the mechanism is actuated by pressing button 19 in the direction A, trigger member 9 pivots clockwise, reaching first the intermediate position of Fig. 3. A pin 16 on lever 15 bears against the edge of arm 8, thus urging the bracket 5 clockwise. This movement is prevented however, since by now blocking tab 18 has moved behind lug 7, so that arm 8 is not free to move clockwise. The pressure of pin 16 on arm 8 is taken up by slight anticlockwise movement of lever 15, with consequent further tensioning of spring 17. With further pressure on button 19, trigger member 9 is pivoted still further clockwise until it reaches the limit of its movement, abutting stop 11b, this fully actuated position being shown in Fig. 4. Blocking tab 18 has now moved fully clear of lug 7, so that arm 8 is no longer prevented from clockwise rotation. Thus the action of spring 17 now suddenly causes lever 15, and hence arm 8, and hence bracket 5, to swing clockwise, and thus the pinch roller 3 is brought rapidly into full engagement with the capstan 1 (Fig. 4). When the pressure on button 19 is released, trigger member 9 is driven anticlockwise by spring 12. The interlock between tab 18 and lug 7 prevents disengagement of the pinch roller from the capstan, until the movement of trigger member 9 is completed. In the modification of Figs. (not shown) 7 and 8 the trigger member has a sliding, instead of pivoting, movement, and the parts of the mechanism are of somewhat different design, producing the same controlling sequence of movements.
Patent GB-1519017-A (GB)
Title: Flame retardant textiles
IPC: D06M11/60
Filed: 1975-09-23
Abstract: 1519017 Flame retardancy AMERICAN CYANAMID CO 23 Sept 1975 [24 Oct 1974 (2)] 39025/75 Heading DIP  Flame retardancy is imparted to fibrous textile material by impregnating the material with an aqueous solution of a tetrakis (hydroxymethyl) phosphonium sulphate, drying the impregnated material at an elevated temperature to a moisture content between 3 and 20% owf, exposing the dried impregnated material to gaseous ammonia, and, if desired, subsequently washing with an aqueous solution of an oxidising agent, preferably hydrogen peroxide. The solution of the tetrakis (hydroxymethyl) phosphonium sulphate is preferably partially neutralised e.g. with sodium hydroxide, to a pH between 7.0 and 7.6 before application to the textile material. In this case the textile may be dried to a moisture content of 3-30% owf. Examples relate to the treatment of 100% cotton, flannelette and are contrasted with similar treatments using tetrakis (hydroxymethyl) phosphonium chloride.
Patent GB-859292-A (GB)
Title: Vinyl and vinylidene polymers pigmented with carbon black
IPC: C08F2/44
Filed: 1958-12-03
Abstract: Carbon black-pigmented vinyl or vinylidene polymer compositions are prepared by processes comprising adsorbing at least one vinyl or vinylidene monomer on to carbon black in the substantial absence of any resinous polymer and subjecting the monomer to polymerization. The monomer may be vinyl acetate, styrene, methyl acrylate, methyl methacrylate, acrylonitrile and mixtures, e.g. of acrylonitrile and acrylic acid or acrylonitrile and methyl methacrylate. Polymerization may be effected in bulk, emulsion or solution, e.g. in diethylether, carbon tetrachloride, chloroform, methylene chloride, dioxane, glycol formal, methanol, ethanol, isopropanol, acetone, methyl ethyl ketone, benzene and glacial acetic acid.  The liquid may be a non-solvent for the polymer formed or may be a solvent or swelling agent therefor. Catalysts, e.g. azodiisobutyronitrile, and redox systems, e.g. potassium chlorate and sodium bisulphite, may be present.  The products may be modified by treatment after polymerization, e.g. polymers containing ester groups, such as vinyl acetate, may be subjected to saponification or hydrolysis.  The products may be dissolved in solvents, e.g. dimethylformamide, dioxane and cyclohexanone, and spun into filaments, and may be used for pigmenting spinning solutions of cellulose acetate in acetone.
Patent GB-1294669-A (GB)
Title: Cargo handling crane
IPC: B66C23/60
Filed: 1969-12-02
Abstract: 1294669 Jib cranes ALGOSHIP INTERNATIONAL Ltd 2 Dec 1969 [27 Dec 1968 10 April 1969 26 Aug 1969] 39244/71 Divided out of 1294668 Heading B8B A cargo handling crane comprises a twosection post, one section 52 fixed to the deck of a ship, the second section 51 being mounted on a swivelling support 54 for rotation about the first section 52. Two booms 1 are mounted on the section 51, each by way of a gooseneck 30 and each arranged to be slewed by a motor 41 and topped by pairs of ropes 8. A traversing trolly 2 is provided on each boom 1 and is moved by ropes 7, 7<SP>1</SP> from a winch 16. Each trolley 2 carries a cargo hook 5 on a rope 6 from a winch 15.
Patent GB-1523344-A (GB)
Title: Banking arm construction for curvebank vehicles
IPC: B60G21/05
Filed: 1975-09-25
Abstract: 1523344 Motor vehicle suspensions J KOLBE 25 Sept 1975 [27 Sept 1974] 39401/75 Heading B7D In a motor vehicle having a suspension which banks the body of the vehicle inwardly when cornering and comprises front and rear rigid axles 6, 7 connected to body frame 1 by torsionally resilient roll banking arms 9, each banking arm 9 has at its inner end a support member 10 which is connected to the frame 1 by a balljoint 11 and includes two lever arms 14, 15 bearing on the frame 1 through polyurethane cushions 17, 19 the arms 14, 15 and the cushions 17, 19 being aligned along an axis 75 passing through the centre of the ball-joint 11 and through the central region of the associated axle 6, 7. The cusions 17, 19 are carried by respective mounting plates 16, 18 and 20, 21 fixed to the arms 14, 15 and to the frame 1, the upper mounting plate being fixed to the frame in the case of the cushion 17 nearer the associated axle, and to the arm in the case of the other cushion 19. The cushions 17, 19 have curved cross-sections so that shear deformation of the cushions due to transverse axle loading in a turn takes place along circular paths 65, 66 defining a banking arm axis 60 about which a ball-joint 13 connecting the axle to the banking arm 9 moves along a portion 61 of a circular arc 64 to effect inward inclination of the body. Each axle 6, 7 is also connected to each banking arm 9 by polyurethane cushions 25, 27 and by a torque control assembly 36 which resists rotation of the axle. Anti-roll bars 53 are connected to the axles 6, 7 by links 57.
Patent GB-884074-A (GB)
Title: Curing process and agent therefor
Inventor: DUNHAM JR MILTON L
IPC: C08G18/00
Filed: 1957-12-23
Abstract: A curing composition comprises a zeolite molecular sieve containing in the absorbed state an organic peroxide, an organic amine containing at least 3 carbon atoms, an aldehyde, a thiazole, a thiocarbamate or ammonia.  The actual curing agent is desorbable from said molecular sieve on heating to the curing temperature of the material to be cured.  Exemplified curing agents are di-tertiary-butyl peroxide, methyl ethyl ketone peroxide, diethylene triamine, piperidine, diethanolamine, diethylamine, propylene diamine and di-n-butylamine.  An extremely active accelerator containing mercaptobenzothiazole and di-butyl ammonium thiocarbamate can be added to rubber compounds in the presence of a zeolite with safety.ALSO:A curing composition comprises a zeolite molecular sieve, (i.e metal-aluminium-silicates) containing in the adsorbed state an organic peroxide, an organic amine containing at least 3 carbon atoms, an aldehyde, a thiazole or a thiocarbamate or ammonia. The actual curing agent is desorbable from said molecular sieve on heating to the curing temperature of the material to be cured. Exemplified curing agents are ammonia, paraformaldehyde, di-tertiary-butyl peroxide, methyl ethyl ketone peroxide, diethylene triamine, piperidine, diethanolamine, diethylamine, propylene diamine and di-n-butylamine.  An extremely active accelerator containing mercaptobenzothiazole and di butyl ammonium thiocarbamate. can be added to rubber compounds in the presence of a zeolite with safety. Resins and rubbers cured are co-polymers of butadiene and acrylonitrile, co-polymers of butadiene and styrene, natural rubber, copolymers of butadiene and an acrylic ester, a resorcylic end-blocked polysiloxane, unsaturated polyesters containing an unsaturated grouping such as a maleic ester group in a solution of a styrene monomer, phenolformaldehyde resins, neoprene, epoxy resins, nitrile rubber, butyl rubbers, and polyvinyl chloride/polyethylene glycol acrylic diester mixtures.  Additional agents which may be incorporated into the composition for curing are carbon black fillers, zinc oxide, sulphur, zinc stearate, N-cyclohexyl-2-benzothiazole sulphenamide and dioctyl phthalates. Specifications 777,232 and 777,233 are referred to.
Patent GB-1140248-A (GB)
Title: Improvements in or relating to displacement measuring devices employing a laser
IPC: G01S17/50
Filed: 1966-09-06
Abstract: 1,140,248. Lasers. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 6 Sept., 1966 [9 Sept., 1965] No. 39811/66. Heading H1C. [Also in Division G1] A displacement measuring device includes a laser having a resonator in which the radiation paths are optically isotropic, an optically anisotropic system in an output radiation path from the laser, and means for detecting changes in the plane of polarization of output radiation from the laser on movement of a reflecting object in the radiation path. In Fig. 2, a quarter wave plate 30 and polarizer 22 are placed between the laser resonator 29, 31 and the reflecting object 23 whose position is to be measured. The anisotropy axes of plate 30 are at 45 degrees to the polarization axis of polarizer 22. The isotropic laser 21 (e.g. a helium-neon laser) produces linearly polarized radiation with an arbitrary plane of polarization, which is equivalent to two contrarotating circularly polarized waves. These are converted by plate 30 into two mutually perpendicular plane polarized components, one parallel and one perpendicular to the polarization plane of polarizer 22. The former is reflected by object 23, transmitted by polarizer 22 and converted by plate 30 into a dextrorotary wave. The phase difference between this wave and the levorotary wave in resonator 29, 31 determines the direction of the plane of polarization of the linearly polarized beam corresponding to these waves, and depends on the position of the object 23. The laser output is directed by beam splitter 26 on to two quadratic detectors, photo-cells 27, 28, by way of polarizers 24, 25 having their polarization planes mutually at 45 degrees. The locus of the points for which the detector outputs are rectangular co-ordinates is a circle. The output may be displayed on an oscilloscope. In a digital arrangement (Fig. 1, not shown) a polarizer (which may be a Brewster window) is placed between the laser resonator and the movable object. The polarizer transmits one of the components of the randomly oriented linearly polarized radiation set up in the resonator, and this component is reflected by the object back through the polarizer to the resonator. The reflected component will either reinforce or cancel the corresponding component in the resonator so that the resultant amplitude of this component will be either larger or smaller than the perpendicular component in the resonator. The stronger component will tend to be amplified by the active medium at the expense of the weaker, so that the radiation transmitted by a further polarizer having a polarization plane either perpendicular or parallel to that of the first polarizer will have either a large or a small amplitude, depending on the position of the object. The first polarizer may be replaced by a quarter wave plate, in which case one of the radition components is always reinforced at the same time as the perpendicular component is cancelled.
Patent GB-346340-A (GB)
Title: Improvements in sanitary dustbins
IPC: B65F7/00
Filed: 1929-12-31
Abstract: 346,340. Dustbins. LAWSON, R. W., 17, Wren Avenue, Cricklewood, London. Dec. 31, 1929, No. 39870. [Class 26.] A disc 3, Fig. 1, of absorbent material impregnated with a deodorizing and disinfecting material is carried by a dustbin lid. The disc may be protected from injury by a perforated disc 5 with or without an upper disc 6, or by an enclosing perforated casing. The securing bolt 8 may be permanently fixed to the lid, or a piercer 13, Fig. 6, in one with the bolt or adapted to be screwed on to it may be provided to form the necessary hole in the lid.
Patent GB-1390722-A (GB)
Title: Process for the manufacture of acrylic acid
IPC: C07B61/00
Filed: 1973-08-23
Abstract: 1390722 Acrylic acid HOECHST AG 23 Aug 1973 [5 Sept 1972] 39942/73 Heading C2C In a process for preparing acrylic acid by oxidizing acrolein with molecular oxygen in the presence of steam and with a fixed bed cobalt molybdate catalyst which has been prepared by precipitating from combined solutions of cobalt, salt, molybdenum compound and ammonia at 60 C. and up to a pH of 7, the cobalt salt to molybdenum compound is in an atomic ratio of 1.05 to 1, or the combined solutions have a pH of 3.8 to 6.0, the precipitate is dried at 110- 170 C., the dry cobalt molybdate is heated to 250 to 550 C., and the shapes are sintered at 500 to 700 C. to form an inner surface area between 4 and 8 square metres/g., and with volume of pores between 0. 1 and 0À2 millilitres/g. The cobalt molybdate may be ground and compressed to pellets with 2-5 wt. per cent of graphite. Examples describe the preparation of catalyst from ammonium heptamolybdate and cobalt nitrate.