baber/WOPTO huggingface dataset:
Patent GB-1409000-A (GB)
Title: Process for purifying a sulphur dioxide-containing gas and producing elemental sulphur
IPC: B01D53/14
Filed: 1973-09-20
Abstract: 1409000 Purifying gas streams; sulphur INSTITUT FRANCAIS DU PETROLE 20 Sept 1973 [22 Sept 1972 11 Jan 1973] 44211/73 Heading C1A A gas containing sulphur dioxide and free oxygen is contacted in a first stage with a solution of urea, thiourea or an alkali metal or ammonium salt of a carboxylic acid or of an alkyl; cycloalkyl or aryl phosphoric acid in water and/or an organic solvent, thus absorbing the sulphur dioxide and reacting the so formed solution with hydrogen sulphide producing sulphur and regenerating the absorbent used in the first stage. Preferred salts which may be used in the absorbing stage are the sodium, potassium and ammonium salts of citric, adipic, benzoic, phthalic, salicylic, nicotinic, dibutylphosphoric and glycerophosphoric acids. Specified organic solvents are tetramethylene sulphone, ethylene glycol, triethylene glycol, polyethylene glycol having an average molecular weight of from 200 to 600, hexaethylene glycol methyl ether-and C 12 -C 20  alcohols. Each stage of the process may be carried out at a temperature from 20 to 130 C.
Patent GB-1042360-A (GB)
Title: Improvements in and relating to closed combined domestic heating and hot water systems
IPC: F24D3/08
Filed: 1963-11-08
Abstract: 1,042,360. Hot water supply systems; heating buildings. I. F. P. WOLFF. Nov. 8, 1963 [Nov. 19, 1962], No. 44213/63. Headings F4A and F4U. In a closed and pressurized domestic water system supplying space heating water and hot water for tapping off, the water is heated in a unit 1, i.e. a boiler or heat exchanger, connected to first and second conduits 12, 13 and to a cold water inlet 11, a plurality of feed and return pipes 14, 15 being connected in parallel between conduits 12 and 13, feed pipes 14 supplying radiators or tapping off devices. Pipes 14, 19 lead into one end of mixing tank 24, conduits 23 at this end supplying radiators 10 and conduits at the other end supplying taps 26. When hot water is tapped off cold water from pipe 22 is mixed and drawn off with the hot water when valve 8, controlled by thermostat 29, opens. The length of the tank prevents cold water reaching the end of the tank supplying the radiators. The water from radiators returns through conduit 21, collecting tank 25 and conduits 20, 15, 13 to the boiler 1. Valve 7 in conduit 20 is controlled by a room thermostat 9 and regulates the temperature of the radiators. The two-way valve 4 is operated by pressure sensitive member 30 to keep the pressure at the outlet of pump 2 constant, thus opening when valve 7 closes. Valve 3 is controlled by thermostat 5 and external thermostat 6 and by by-passing water through conduit 18 controls the temperature of water supplied from the boiler and keeps it above a minimum value. Air vent 27 and safety valve 28 are provided at the top of the boiler 1.
Patent GB-1440439-A (GB)
Title: Apparatus incorporating pivotally interconnected members
IPC: A47B27/06
Filed: 1972-09-25
Abstract: 1440439 Counterbalancing pivoting members eg drafting tables ONWAY CONSTRUCTION CO Ltd 24 Sept 1973 [25 Sept 1972] 44288/72 Heading A4H Apparatus, e.g. a drafting table, comprises a first member, e.g. pedestal 15 to which is horizontally  pivoted around axle 17 a second member, e.g. arm 12 and third member, e.g. table top 13 pivoted on the arm over horizontal parallel axle 21; a first counterbalancing system between the first and second  members comprising cam 22 fixed relative to one member, e.g. 15 and member 23 acting around the cam under the load of spring 24 connected between the members, a second counterbalancing system between the second and third members comprising cam 35 fixed relative to one member, e.g. 13 and member 39 acting around the cam under the load of spring 40 connected between the members; and a further cam 31 fixed relative to the third member with the spring of the first counterbalancing system acting around the cam 31, e.g. via lever 26 and roller 33, whereby within a predetermined range of angular settings of members 12, 13 with respect to member 15, the turning movements of members 12 13 are substantially counterbalanced around axles 17, 21. With arm 12 horizontal member 13 is pivotable from substantially vertical as in Fig. 2 to a horizontal position in which case spring 40 is tensioned to act around lobe 38 of cam 35 to counterbalance around axle 21, while lobe 32 of cam 31 acting via lever 26 releases tension in spring 24 to counterbalance about axle 17. With arm 12 and member 13 vertical as in Fig. 4, lobe 37 of cam 35 tensions spring 40 to counterbalance member 13 and lobe 34 of cam 31 eases spring 24 which is off the cam 22 since member 2 needs no counterbalancing. The table may be locked by screws 46, Fig. 6 pressing disc 42, 42', Figs. 1, 6 secured to respective axles against set screws 48 under the action of respective springs 72, 72', and released by depressing handle 65, Fig. 8 pulling on cables 60, 60 connected to screw levers 47, 47'. By moving handle 65 to one side or the other one or other or both locking screws are actuated by handle lugs 68, 69 engaging with cable levers 58. The center of gravity of the table top may be altered by an adjustable weight 74 and the arm 12 move up to stop 73.
Patent GB-1414003-A (GB)
Title: Tubular arc welding electrode
IPC: B23K35/30
Filed: 1972-11-03
Abstract: 1414003 Weld deposit TELEDYNE Inc 3 Nov 1972 [3 Nov 1971] 44325/72 Heading C7A [Also in Division B3] A cored, tubular, consumable electrode (Division B3) provides undiluted weld deposits including: -
Patent GB-993322-A (GB)
Title: Method and apparatus for making optic devices
IPC: C03B37/025
Filed: 1961-12-13
Abstract: <PICT:0993322/C1/1> <PICT:0993322/C1/2> In the formation of glass-coated glass fibres a glass rod 10 surrounded by a tube 11 of a lower refractory index glass are fed at different rates into an electrical furnace 12 whereby they are fused together.  The rod 10 and tube 11 are attached to collars 22, 221, respectively, on lead-screws 13, 131 which are rotated by differential gearing 15 so as to move the rod and tube into the furnace 12 at a relative speed corresponding to the required coating to core ratio. On withdrawal from the furnace 12, the coated fibre 30 passes through a photo-electric thickness sensing unit 28 provided with an indicator 29 and is then guided by pulleys 31-34 into a drum 35.  This drum has a heat-insulating resin surface coating with electric heating elements embedded therein and is mounted on a shaft 45 driven by motor 46 and geared to a leadscrew 50 for moving along the length of the drum a carriage 44 supporting pulley 33 and having a pivoted arm 41 carrying pulley 34, the fibre 30 passing under pulley 34 and secured to drum 35.  The carriage 44 moves only when the indicator 29 shows the fibre diameter at the required value and the fibre 30 wound on the drum 35 is sprayed with liquid resin at each turn for a nozzle 621.  At the end of the drum, the fibre transfers to a roller 75, carried by pivoted arm 77, which, when the arm is in working position, is driven at the speed of the drum and the fibre is wound thereon until it returns to the first end of the drum, when a further layer of fibres is wound.  Several coated fibres may be simultaneously drawn and wound on to a drum.  As the carriage moves along the drum, the sprayed fibres are air dried sufficiently to hold them together and before removal, the adhesive in two regions 92 of the fibre layer is cured by energizing the electrical heaters 59, thereafter two cuts 180 degrees apart produce half-rings 90 of fibres from which a bundle 93 may be cut, the uncured resin between the fibre ends being removed as by immersion in sulphuric acid.
Patent GB-968687-A (GB)
Title: Electrical power supply system
IPC: H02J7/14
Filed: 1960-12-29
Abstract: 968,687. Charging and discharging batteries. KAMAN AIRCRAFT CORPORATION. Dec. 29, 1960 [Feb. 29, 1960], No. 44657/60. Heading H2H. A load 10 is supplied alternatively from a primary source comprising an A.C. generator 20 and a rectifier 18 and/or a secondary source such as a battery 24, the absence of the primary source being indicated by a lamp 32 energized through contacts 40 of a relay 42 which is supplied from the ripple component of the rectified A.C. through a rectifier 58, transformer 54 and a capacitor 48. Padding resistors 64, 66 may be connected in the relay circuit as shown. A switch 28 may be connected serially in the battery circuit to conserve the energy stored therein.
Patent GB-1077930-A (GB)
Title: Salt water ice making machine
IPC: F25C1/14
Filed: 1965-10-27
Abstract: 1,077,930. Ice - making. LASCO INDUSTRIES Inc. Oct. 27, 1965 [Oct. 29, 1964], No. 45579/65. Heading F4H. An ice-making machine, particularly intended for freezing seawater, comprises a freezing cylinder 14 surrounded by a refrigerant evaporator coil 20, and a pre-cooling coil 22 for the seawater surrounding part of coil 20 and separated therefrom by a thin strip of thermal insulation 24. Coil 22 discharges into the bottom end of cylinder 14 through pipe 46. Cylinder 14 contains an auger rotatable by a belt 18 and has peripheral discharge opening 38 at its upper end, the machine being surmounted by a deflecting hood 42.
Patent GB-1222810-A (GB)
Title: Prothrombin complex
IPC: C12N9/74
Filed: 1969-09-16
Abstract: 1,222,810. Prothrombin complex. BAXTER LABORATORIES Inc. 16 Sept., 1969 [2 Oct., 1968], No. 45582/69. Heading A5B. A method of preparing a prothrombin complex comprises adjusting the pH of an aqueous suspension of Cohn Plasma Fraction III to within a range of from about 7.0 to about 7.4, separating the resulting suspension and thoroughly mixing the supernatant with tribasic calcium phosphate to adsorb the coagulation factors, thoroughly mixing the tribasic calcium phosphate adsorbed - protein precipitate with trisodium citrate to elute the coagulation factors, separating the resulting suspension and subjecting the supernatant to a succession of two cold ethanol precipitations, first at a pH of about 6.8 and a final concentration of from about 14% to about 16% ethanol at about -5C with retention of the supernatant, and then at a pH of about 5.2 and a final concentration of about 25% ethanol at about -7C with retention of the precipitate as the active prothrombin complex. After removal of the tribasic calcium phosphate precipitate, an anticoagulant such as heparin may be added to the solution.
Patent GB-1370345-A (GB)
Title: Lobster pot
IPC: A01K69/08
Filed: 1972-12-20
Abstract: 1370345 Lobster pot F FLETCHER 20 Dec 1972 [1 Oct 1971] 45696/71 Heading A1A A lobster pot with flat base 12, flat ends 3 and arched top 15 supporting a funnel trap entrance 22 is made of openwork plastics sections held together by detachable plastics knock-in pegs 14. The base has recesses 6 to carry bolted in ballast weights in the form of concrete blocks and also has a sliding door 11 for removal of the catch. The funnel which reaches half way to the base has a number of hooks moulded onto its outer surface for suspension of bait in the cage of the assembled pot. The funnel is attached to the arched top also with plastics pegs.
Patent GB-1125467-A (GB)
Title: Improvements relating to motor control apparatus
Inventor: AYLING KENNETH ROBIN
IPC: H02P7/292
Filed: 1965-11-03
Abstract: 1,125,467. Automatic speed control. M. E. L. EQUIPMENT CO. Ltd. July 18, 1966 [Nov. 3, 19651, No. 46537/65. Heading G3R. The armature of a D. C. motor is supplied through an assembly of thyristors whose periods of conduction are determined by the magnitude of a speed-error signal derived from a comparator including a gain correction stage to compensate for non-linearity in the armature voltage-speed relationship. The reference voltage is derived from a potentiometer or transformer, and the signal representing speed from a motor-driven tachometer generator. The amplified error signal is applied to the base of transistor 11, the output from the gain correction stage being taken from the collector of the transistor. When Zener diode 16 is non- conductive, the gain of the circuit is fixed by resistors 12-14 and is of a high order. When the voltage across resistor 13 is sufficient to render the diode 16 conductive, resistors 15 replaces the resistor 13 to reduce the gain. The diode 16 is conductive over the linear portion of the armature voltage-speed characteristic.
Patent GB-1092538-A (GB)
Title: Low-temperature tough steel
IPC: C22C38/04
Filed: 1964-11-16
Abstract: A steel having good low temperature toughness contains in percentage by weight .C.0.01-0.15 .Si.0.05-0.4 .Ni.4.5 -7.5 .Mn.0.5 -3.5 .N.0.001-0.05 .Al.(acid soluble) not more than 0.05 .Mo.0.05-0.5 optionally present .Fe.balance and has a structure of fine dispersed austenite in a ferrite matrix.  The aluminium present as nitride may be replaced by an equivalent amount of one or more of Zr, Ti, Be, Nb, V, Hf, Ta or B.  The steel may be austenitized at 700 DEG  -900 DEG C., followed by quenching and tempering at 525 DEG  -650 DEG  C., but when more than 0.005% of aluminium nitride is formed the first step may be carried out at a higher temperature sufficient to dissolve the nitride without producing excessive grain growth. Alternatively the steel may be treated at an even higher temperature e.g. 1350 DEG  C., quenched, and then austenitized; in yet a further variation the steel may be treated at 1350 DEG  C., quenched, normalized from 700 DEG C., and then austenitized, quenched and tempered.  The fine dispersed austenite produced in the tempering step may be partially converted to martensite upon the subsequent quenching.
Patent GB-1113098-A (GB)
Title: Concrete containment vessel
IPC: G21C13/02
Filed: 1965-11-04
Abstract: 1,113,098. Reactor containment. UNITED STATES ATOMIC ENERGY COMMISSION. 4 Nov., 1965 [11 Jan., 1965], No. 46837/65. Heading G6C. A concrete reactor containment vessel 10 having an access opening provided with a steel fitting 12 is reinforced by a first series of cables 13 joined at their ends to the fitting and having vertical portions 13a and horizontal portions 13b and by a second series of cables 14 forming closed horizontally-disposed rings. In order to equalize the strain throughout the length of the cables, each cable 13 or 14 is surrounded by a polyethylene jacket 16 or 21 (Figs. 2, 4, not shown), embedded in the concrete and is capable of movement longitudinally with respect to the jacket. In a modification, the jacket is of metal; further, the cables may be replaced by rods.
Patent GB-1410766-A (GB)
Title: Inflation valve
IPC: F16K15/20
Filed: 1971-10-09
Abstract: 1410766 Valves DUNLOP Ltd 3 Oct 1972 [9 Oct 1971] 47116/71 Heading F2V An inflation valve for a tyre comprises a rigid tubular stem 18 having a diaphragm closure 20 secured against a wheel rim 24 and sleeve 21 and by a ring 25. A member 19 when depressed allows the escape of pressurized air from within the tyre. The diaphragm may be secured between the sleeve and the stem (Figs. 1 and 2, not shown) in which case the sleeve seals the valve to the rim.
Patent GB-1210743-A (GB)
Title: Improvements in or relating to scrap baling and shearing apparatus
Inventor: NAGEL KARL-MARTIN
IPC: B23D31/00
Filed: 1968-10-04
Abstract: 1,210,743. Consolidating and feeding scrap. MASCHINENFABRIK HASEHOLEVER A.G. 4 Oct., 1968 [12 July, 1968], No. 47281/68. Heading B3H and B3W. The feed line to a scrap shear 1 comprises a baling bed 6 having hydraulically or pneumatically actuated side pusher 7 and pressing lid (13), Fig. 5 (not shown), a feed bed 4 having a feed pusher 5 and a ram 2 for compressing the scrap. In operation, with the shear blade 1 and ram raised, the pusher 5 fully advanced and a pusher 10 for transferring the baled scrap to the feed bed 4 fully retracted, the side pusher 7 retracted and the pressing lid (13) open the baling bed is filled with scrap 3. The pusher 7 is advanced releasing an interlock on pusher 10 and the lid (13) is closed. The pusher 10 transfers the baled scrap to a loading plate 11 attached to the pusher 5, which is then retracted causing the scrap to fall on to the floor of the feed bed 4 and a timer device controlling the length of the feed stroke to be actuated. A plough (12), Fig. 1 (not shown), prevents the scrap from being carried back by the pusher 5 which is then advanced to feed the scrap into the blade mouth. Simultaneously with the end of the feed stroke the ram 2 is lowered, followed shortly by the blade 1. At the end of the blade stroke upward movement of the ram then of the blade is initiated. At the fully retracted position of the ram and the blade, the pusher 5 is actuated to carry out a further feed stroke and the cutting cycle is repeated until the pusher 5 is fully advanced when it actuates a switch to cause the ram and blade to be held in raised position. Meanwhile on the return of the pusher 10 to its retracted position before the first cutting stroke the side pusher 7 was actuated to bale a further charge of scrap and actuation of the switch to hold the ram and blade in raised position also initiates movement of the pusher 10 to transfer the baled scrap to the feed bed.
Patent GB-967035-A (GB)
Title: Improvements in and relating to hay conditioning apparatus
IPC: A01D82/00
Filed: 1962-12-27
Abstract: 967,035. Hay crushing apparatus. INTERNATIONAL HARVESTER CO. Dec. 17, 1962 [March 5, 1962], No. 47489/62. Heading B2A. [Also in Division F2] Hay conditioning apparatus 2 comprises crushing means arranged on a mobile support structure and movable thereon relative to the ground between a lower operative position and a higher, inoperative position under the action of means operable to raise the crushing means and adapted to allow the same to drop by gravity, movement of the crushing means being effected via a member 91 movable toward and away from a relatively stationary member 105 of the structure and there being arranged to act between the said members resilient shock absorption means 106 secured to one of said members and adapted to abut the other of said members when the crushing means is in its operative position. The crushing means comprises upper and lower rollers 41, 50 which as described in Specification 864,167 are rotatably mounted in bearings on arms 38 associated with a spring toggle device 19 and the side walls 3 of a main frame 7 respectively. The arms 38 are pivotally connected to a link 80 having an elongated slot 81 co-operating with a pin 82 mounted on the lower end of an arm 83, which is connected to a rockshaft 84 carrying at each end arms providing bearings for the main supporting wheels 88 of the structure. An hydraulic unit 95, Fig. 1 (not shown), when energized acts through a lever 91 to swing the rockshaft 84 and so raise the entire structure relatively to the ground to an inoperative position, and at the same time the rockshaft acts through the arms 83, pin 82 and arms 38 to disengage the upper roll 41. When the hydraulic unit is de-energized the lever 91 swings in counterclockwise direction, Fig. 2, the structure falls under gravity to its operative position; during this action, the spring toggle device 19 is actuated to engage the upper roll 41 with the lower roll 50 on the lower end of the lever 91, as it swings away from the stationary frame member 105, acts through a rod 103 and nut 116 to compress the elastomer material 113 of a shock absorber unit (see Division F2); the position of the nut 116 on the rod 103 serves to determine the lowermost position of the structure.
Patent GB-1089563-A (GB)
Title: Improvements relating to carpets
Inventor: WENTWORTH VICTOR HAROLD
IPC: D06N7/00
Filed: 1964-11-23
Abstract: 1,089,563. Laminates. MONSANTO CHEMICALS Ltd. Oct. 6, 1965 [Nov. 23, 1964], No. 47533/64. Heading B5N. A carpet, which may be tufted or woven, has a secondary backing comprising an extruded foamed aliphatic thermoplastic resin having a glass-transition temperature below 0‹ C. and a density between 1 pound per cubic foot and 10 pounds per cubic foot. The resin is one derived by polymerization or copolymerization of one or more ethylenically unsaturated monomers, e.g. ethylene, propylene or butylene acrylonitrile, vinyl or vinylidene chloride or vinyl acetate, ethyl acrylate or methyl methacrylate. If the transition temperature is too high plasticizers are added. It may be extruded through a slit die and may be corrugated, preferably with closed cells of 0.002 inch to 0.1 inch diameter, or may be in the form of a perforated sheet, a fabric or a net of extruded foam. Alternatively strips of resin may be used. Corrugating or embossing may be effected after extrusion by profiled rollers. The foaming agent may be gas, volatile liquid or chemical blowing agent several examples being given. Preferably a nucleating agent is included e.g. silica or alumina with zinc stearate, or sodium bicarbonate with or without a weak acid. More than one layer of foam may be used and if corrugated the corrugations in alternate layers may be arranged at 90 degrees to one another. The foam may be fastened to the carpet by sewing, impact or pressure-sensitive adhesive, or a polymer latex e.g. natural subber, poly. styrene-butadiene, a nitrile rubber or a thermoplastic such as a polyvinyl acetate. Mineral fillers such as barytes, china clay, whiting or titanium dioxide may be included. The binder composition of a tufted carpet may be utilized as adhesive. The tufts may be of rayon and the primary backing of jute or hessian.
Patent GB-1370103-A (GB)
Title: Process control apparatus
IPC: G05B11/26
Filed: 1971-10-15
Abstract: 1370103 Process control LUCAS ELECTRICAL CO Ltd 14 Jan 1972 [15 Oct 1971] 48024/71 Heading G4H Process control apparatus includes two transducers 21, 23 producing signals representing two parameters related to the process being controlled, a duration significant output control pulse being derived from the signals. As described each time a monostable 24 is triggered, gates 71, 72 are enabled for a predetermined time to feed frequency significant signals from transducers 22, 23 to counters 73 and 74 carrying over to counter 75 and 114. The counts in counters 75, 114 are decoded and used to enable one of the rows 11a-11p and one of the switches 15a-15b in a diode matrix arrangement 77 so that parallel coded signals representing the two parameters are fed to a comparator 53. At the start of the operation a bi-stable 46 is triggered which results in the output pulse being commenced and in a counter 52 being pulsed, after a delay determined by a counter 49, by pulses from a source 48 (which may be controlled in accordance with a third parameter). The counter output is fed as the outer input to the comparator 53, at equality of its inputs a counter 54 being incremented, counters 74, 75 and 72 reset and monostable 24 triggered. This process is repeated for a number of times determined by counter 54, the output from which, after, for example, 16 signals from the comparator, resets the bi-stable 46 to terminate the output pulse. Each pulse from comparator 53 also increments counters 86, 87 the counts in which consequently vary in a cyclic manner, the instantaneous count being entered into counters 73, 74 each time the monostable 24 is triggered. This is stated to compensate for small variations in the input. The delay introduced by the counter 49 ensures that a minimum output pulse length is always provided. Specifications 1,370,104 and 1,370,105 are referred to.