baber/WOPTO huggingface dataset:
Patent GB-1035339-A (GB)
Title: Process for producing copolymers
IPC: C08F214/06
Filed: 1963-12-17
Abstract: Copolymers comprising vinyl chloride and ethylene in which ethylene is present in an amount of 3 to 25% by weight of the copolymer are made by copolymerizing the monomers in the presence of a catalyst composition containing at least one organic boron compound, and at least one peroxy compound.  The copolymerization may be effected in bulk, solution, but preferably in aqueous suspension, or emulsion. The aqueous media may contain the usual emulsifiers, and also pH, and molecular weight regulators.  The copolymers may contain additional monomers selected from olefines, vinyl esters, vinyl ethers, vinyl halides, acrylics and maleic and fumaric compounds.  Many boron compounds are exemplified, amongst them are tri-n-butyl boron, tri-iso-butyl boron, tri-n-hexyl boron, di-n-butyl boronic acid methyl ester, di-n-boronic acid anhydride, diethyl, di-(bromoethyl), and di-(chloroethyl) boron chloride, and o-chlorophenyl ester of dimethyl boronic acid.  A long list of peroxy compounds is included in the Specification, amongst which are hydrogen peroxide, hydroperoxides, perbenzoic acid, perpropionic acid, t-butyl permaleic acid, methyl ethyl ketone, and sodium persulphate.  The catalyst components may be formed in situ.
Patent GB-1271208-A (GB)
Title: A composite panel
Inventor: KALTHOFF HERBERT
IPC: E06B3/67
Filed: 1970-10-22
Abstract: 1,271,208. Double glazing, panels, revolving doors, screens. FARBENFABRIKEN BAYER A.G. 22 Oct., 1970 [3 Nov., 1969], No. 50194/ 70. Headings E1J and E1R. A composite glass panel comprises two polycarbonate panels 1, 2 secured, e.g. by welding one on. either side of an acrylic glass separator frame 3. The frame 3 has a circumferential groove 5 in which is accommodated a spring 6 to secure a cover section 7 of the edge of a revolving door panel firmly in the frame 3, and the cover section has a groove 8 for sealing back strips (not shown). The exposed edges of the revolving door panel cover section 7 and narrow edges of the panels 1, 2 are covered by a strip 9 of refined steel and the edge is held in the turnstile by a plastics section 7a. The cavity 11 between the panels 1, 2 is sealed off and filled with a gas which at a particular light intensity goes darker in colour, absorbing the suns rays and the panel can thus be used as a protective screen from the sun's rays.
Patent GB-1050507-A (GB)
IPC: B01D3/42
Filed: 1964-12-11
Abstract: 1,050,507. Automatic control of distillation columns. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. Dec. 11, 1964. [Dec. 13, 1963], No. 50575/64. Heading B1B. The ratio between the internal vapour flow Vi and the internal reflux flow Ri in the upper part of a distillation column 1 is automatically maintained approximately constant, so that the top product is of constant composition, by control instruments which take certain measurements of the external vapour and reflux flows and compare the valve obtained after computing these measurements in a certain way with a set valve, and then open or close external reflux control valve 17 accordingly. The external vapour flow in line 6 is measured by a meter 7 and a further meter 8 measures the external reflux flowing from a condenser 3 through line 4. A computing element 11 produces the quotient of these two readings and in the element 12 the term-1 is added and a signal A is obtained. Meter 13 measures the difference in temperature between the reflux flow in line 4 and the vapour leaving the column 1. The output signal from 13 is multiplied in element 14 by a constant factor, the specific heat over the heat of vapourization of the liquid, the term + 1 is added to this product and a signal B passed to computor 15 where the quotient C of A and B is produced. This quotient C, according to an equation given, is equal to the ratio of Vi to Ri (taken on the top distillation tray) minus 1. The signal from element 15 passes to controller 16 which compares the signal with a set value and automatically opens or closes valve 17 accordingly. To eliminate the influence of any disturbances in the column the average internal vapour and reflux flows over several distillation trays are considered. To do this a signal is added to signal B giving B' and in this case C is the ratio of A to B'. This added signal is positive if the vapour flow decreases up the trays and is negative if the vapour flow increases up the trays. The level of the liquid in the accumulator is kept constant by means of a meter 18, controller 19 and valve 20. If the flow meters 7 and 8 are non-linear further meters 9 and 10 extract measurements proportional to the rate of flow.
Patent GB-1474129-A (GB)
Title: Method for the production of d-ribose
IPC: C12P19/02
Filed: 1974-11-22
Abstract: 1474129 Microbiological production of ribose TAKEDA YAKUHIN KOGYO KK 22 Nov 1974 [23 Nov 1973 18 March 1974] 50666/74 Heading C2S A method of producing D-ribose comprises cultivating a microorganism of the genus Bacillus under aerobic conditions in a culture medium containing assimilable carbon and nitrogen sources and nutrients necessary for the growth of the microorganism, wherein the microorganism belongs to the genus Bacillus and lacks sporulation ability or has a high 2-deoxy-D-glucose oxidizing activity or has both of these properties and also lacks at least one of transketolase and D-ribulase phosphate 3-epimerase; causing the strain to elaborate and accumulate D-ribose and then recovering D- ribose from the resulting culture broth. The preferred microorganisms are B. pumilus IFO Nos. 13566, 13585, 13620 and B. subtilis IFO Nos. 13565, 13573, 13586, 13588 and 13621.
Patent GB-1519609-A (GB)
Title: Direct current arc furnace
IPC: H05B7/18
Filed: 1975-12-11
Abstract: 1519609 Direct arc furnaces ASEA AB 11 Dec 1975 [12 Dec 1974 (2)] 50796/75 Heading H5H A D.C. direct arc furnace having a hearth electrode, a working electrode 1 and a starting electrode 9, is started by current passing through a starting electrode 9 introduced via a slag pouring aperture 7. The starting electrode may be pivoted about a vertical axis as shown in Fig 1, about a horizontal axis (Figs. 5, 7, not shown) may be mounted between rollers 18, Fig. 3, for linear movement or mounted on a trolley (Figs. 6, 8, not shown). An aperture closing shutter 11 may be mounted on the electrode or otherwise. A door (8, Fig. 2, not shown) closes the opening in the absence of the starting electrode. A tip 12 of graphite or other carbonaceous material is screwed onto a supporting solid rod or tube 10, Fig. 1. The support may be a tube with a concentric internal tube defining cooling fluid passages (Fig. 3 and Fig. 4, not shown). The starting electrode may be moved hydraulically, pneumatically or by a variety of mechanical means.
Patent GB-1241690-A (GB)
Title: Improvements in or relating to fire extinguishing compositions
Inventor: WILKINSON DAVID ARTHUR
IPC: A62D1/00
Filed: 1968-10-25
Abstract: 1,241,690. Halohydrocarbon fire extinguishants. NU SWIFT INTERNATIONAL Ltd. 17 Oct., 1969 [25 Oct., 1968], No. 50818/68. Heading A5A. A liquid fire extinguishant comprises chlorobromomethane and bromochlorodifluoromethane, preferably each in an amount at least 10% by wt. of the binary mixture. The composition may be stored and ejected under gas or vapour pressure.
Patent GB-1450049-A (GB)
IPC: F23G5/32
Filed: 1972-11-03
Abstract: 1450049 Incinerator for liquid wastes UNITED KINGDOM ATOMIC ENERGY AUTHORITY 27 Dec 1973 [3 Nov 1972] 50870/72 Heading F4B An incinerator for liquid wastes including combustible material comprises a cylindrical inner container 1 of heat conducting material for the waste, a cylindrical outer container 2 having a heat insulating lining 3 of firebrick, and pressure jets 7 mounted above the inner container for injecting air or oxygen substantially tangentially into the outer container and generally downwardly so as to create a vortex within the containers and impart a swirling motion to the waste. As shown, the container 1 has a conical base 5 and handles 6. The jets 7 and air supply thereto through a ring main 9 are illustrated in more detail in Figs. 2 and 3 (not shown). The waste within the container 1 may be lit manually using a propane gas flame or may be lit by automatic means. The containers may be provided with a lid which can be lowered by remote control so as to extinguish flames.
Patent GB-1517620-A (GB)
Title: Process for thermally gasifying high-boiling hydrocarbons by treatment with steam and oxygen
IPC: C01B3/38
Filed: 1976-12-07
Abstract: 1517620 Gasifying hydrocarbons METALLGES AG 7 Dec 1976 [19 Dec 1975] 51067/76 Heading C5E Hydrocarbons having a lower boiling point limit of 250C are reacted with steam and a free oxygencontaining gas under a pressure of 5 to 150 bars and at a temperature of 1000 to 1600C in a catalystfree reaction chamber to produce a product gas comprising carbon monoxide and hydrogen, the reactants and the product gas being caused to flow together through a gas-permeable bed of loose granular inert solids before leaving the reaction chamber. The gas-permeable bed preferably occupies 25 to 60% of the volume of the reaction chamber and the inert solids, which may comprise alumina, magnesia, magnesium or aluminium silicates, magnesium or aluminium spinels or highmelting metals such as titanium, preferably have a particle size of 5 to 30 mm. The product gas is relatively free from carbon black.
Patent GB-1167864-A (GB)
Title: Display Structure.
Inventor: BUTLER MICHAEL
IPC: B42D5/04
Filed: 1965-12-02
Abstract: 1,167,864. Display structures. M. BUTLER. 9 Jan., 1967 [2 Dec., 1965], No. 51147/65. Heading G5C. A display structure comprises two pieces of card or the like encased in sleeves of plastics sheeting 14 welded at the edges and seams, either side of a seam fold 17. The inner faces have further sheets 15 of plastics material welded thereto, from which are cut tongues 20, 21, the former having a slit into which end 21a of the latter is adapted to fit to limit the separation of the display faces.
Patent GB-1409669-A (GB)
Title: Formation of wear-resistant nickel coatings on light alloys
IPC: C25D5/44
Filed: 1972-11-07
Abstract: 1409669 Nickel plating SOC ANON AUTOMOBILES CITROEN 7 Nov 1972 [9 Nov 1971] 51242/72 Heading C7B A wear-resistant coating of Ni containing a dispersed phase of hard fine (less than 400 m) particles e.g. of SiC is formed on a light (e.g. Al-Si) alloy element wall exposed to frictional forces, e.g. the trochoidal inner wall of a rotary piston engine casing, by subjecting the wall to shotblasting, then preferably an attack in a bath of a Na compound, e.g. containing 50 to 150 g/l NaOH and 5 to 15 g/l of a polyhydroxy (e.g. gluconic) acid or salt thereof (e.g. Na gluconate), optionally followed by an attack in a concentrated bath of HNO 3 -HF, prior to first chemically depositing thereon a thin (less than 2Á) layer of Zn, e.g. in an alkali bath then electro-depositing a composite layer of Ni containing dispersed hard fine, particles e.g. of SiC. Prior to electro-depositing the composite layer, the Zn coated wall may be prenickeled by electro-depositing Ni without particles, Ni plating baths may contain Ni sulphomate and chloride, boric acid, saccharin or Na saccharinate and wetting agent. Alternatively, prior to electrodepositing Ni, the wall may be subjected to two successive Zn treatments, the Zn layer deposited in the first being dissolved in concentrated HNO 3  before the second,
Patent GB-1222067-A (GB)
Title: Improvements in electric cable connectors
Inventor: WARDEN JOHN CHRISTOPHER
IPC: H01R4/24
Filed: 1967-11-10
Abstract: 1,222,067. Electric couplings. J. C. WARDEN. 8 Nov., 1968 [10 Nov., 1967], No. 51243/67. Heading H2E. A connection for a tape cable 1 may comprise a cup-shaped washer 12 having deformable prongs, a threaded pin 11 and a nut 14. When the nut is screwed down the prongs enter the insulation of the cable and bend to press against the tape conductor 6. A conventional metal eyelet (22, Fig. 3, not shown) may be used instead of the washer 12.
Patent GB-1029200-A (GB)
Title: Veterinary compositions comprising zinc compounds
IPC: A61K47/18
Filed: 1963-12-31
Abstract: An injectable veterinary preparation for the provision of zinc and phosphorus comprises an aqueous solution containing phosphate ions (e.g. from alkali metal phosphates) and zinc in the form of a water-soluble zinc chelate compound e.g. zinc disodium ethylenediamine tetraacetic acid.
Patent GB-1254563-A (GB)
Title: Air-driven dental turbine for hand-pieces
IPC: A61C1/05
Filed: 1968-11-04
Abstract: 1,254,563. Dental turbines. BIEN-AIR S.A. 4 Nov., 1968 [1 July, 1968], No. 52081/68. Heading A5R. [Also in Divisions Fl and F2] An air driven dental turbine has a rotor 2 with a turbine wheel 4 and an air bearing 7 or 8, on either side of the wheel 4, and an air supply conduit 25 located between the air bearings, each air bearing comprising a perforated floating sleeve 9, 10 for distribution of air under pressure from conduit 25 to the bearing, each floating sleeve being held in a housing 1 of the turbine by means of a pair of resilient annular gaskets 20 located between the housing and a respective sleeve, each gasket comprising an inner and an outer annular flange joined together so that the gasket has a substantially V-shaped cross section, and each gasket being located so that its inner flange bears on the respective sleeve while its outer flange bears on the housing, each pair of gaskets being located so that the spaces 23 between the flanges are open towards each other.
Patent GB-1401823-A (GB)
Title: Generation of timing signals from a modulated carrier signal
IPC: H04L7/033
Filed: 1972-06-20
Abstract: 1401823 Data transmission; clock pulse extraction circuits SANDERS ASSOCIATES Inc 20 June 1972 [1 July 1971] 52321/74 Divided out of 1401822 Heading H4P The description is similar to Specification 1,401,822 but the claims are directed to a clock pulse recovery circuit in which one time sample of the modulated carrier is compared with another time sample spaced a determined interval to produce a signal having a number of pulses, all except a fixed number (n) of which are eliminated. In a particular embodiment, n = 1 and the interval = # radians of the carrier. The circuit (15) Fig. 2 (not shown) receives an output K from an OR gate (14-3) which correlates a signal (B) with a replica (J) delayed by ¢ carrier cycle (1/3 baud). The circuit comprises an exclusive OR gate 15-10 comparing output from a synchronous detector 15-9, in which rising edges of Y input are compared with a CP2 input, with clock pulses CP3, forming a phase locked loop; degree of match or mismatch of input indicates phase difference. After averaging at 15-11 (see Fig. 8, not shown) output from a divided output oscillator 15-1, 15-2 is advanced or retarded at 15-3 by adding/deleting pulses. Output from 15-3 is divided at 15-4, 15-5 which provides 24 time slots t0-t23 within each baud. AND gate 15-8 is primed, and passes pulses, during period t4-t20 by setting and resetting flip-flop 15-6. Logical arrangements to perform the various operations are described in the Specification. Sync. detector 15-9 may be of the form described with reference to Fig. 6 (not shown). Fig. 9 (not shown), illustrates an alternative embodiment in which the timing signal K is derived from a multiple correlation network providing averaging of noise and jitter. Incoming signals are averaged or mixed with delayed replicas of itself over 4 consecutive bauds which are combined in an OR gate (50) to give the K signal.
Patent GB-1403563-A (GB)
Title: Dual temperature exchange systems
IPC: B01D11/04
Filed: 1972-03-22
Abstract: 1403563 Exchange process DEUTERIUM CORP 22 March 1972 [22 March 1971] 52479/74 Divided out of 1403561 Heading C1A In a material exchange process whereby a first fluid phase (full lines, Fig. 1) containing a first material is exchanged with a second material in a pair of countercurrent exchange units (towers T 1  T 2 ) at different temperatures between said first fluid phase and a second fluid phase (broken lines) generally as shown in Fig. 1, (a) the first fluid phase is delivered (at F), passes through at least part of unit T 1 , at least in part through the whole of unit T 2  and is recirculated at least in part to pass through the full extent of unit T 1  and (b) the second fluid phase is recirculated from the first unit T 1  to the second unit T 2 . Product P may be withdrawn where indicated or from the corresponding part of the second fluid phase flow path. Figs. 3 and 3A (not shown) illustrate preferred arrangements wherein a further countercurrent section is embodied within unit T 2  or provided enternally thereof. Specification 1,403,561 is referred to.
Patent GB-1410811-A (GB)
Title: Keyboard apparatus
IPC: G06F3/02
Filed: 1972-11-14
Abstract: 1410811 Keyboards PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 14 Nov 1972 [17 Nov 1971] 52505/72 Heading G4H Keyboard apparatus comprises an array of keys and an individual bi-stable element associated with each, and an interrogation unit which repetitively and successively interrogates the keys to produce an output corresponding to each key after actuation thereof and set the corresponding bi-stable to block further output from the key, and reset the bi-stable when the key has been de-actuated. In Fig. 1, a counter T driven by a clock Cl interrogates in turn the columns of the matrix of keys K11 &c. shown. If, for example, K11 is depressed, interrogation of its column produces an output from AND A11, via AND N11 enabled by the reset state of bi-stable FF11, to output B11, this output being fed back to set bi-stable F11, preventing further output at B11 until the column is interrogated at a time when the key K11 is not depressed. When this happens the absence of an output from AND A11 enables AND G11 via inverter I11 to reset bi-stable FF11. The output at B11 &c. can be encoded into serial or parallel binary form. The row conductors R1, R2, R3 are redundant unless the array of key switches is separate from the rest of the circuit, the latter being provided in integrated circuit form connected to the key array only by the row and column conductors. The diodes D11 &c. can be dispensed with if the attenuation at a closed key switch prevents incorrect enabling of an AND such as All when two switches are closed together.
Patent GB-1332412-A (GB)
Title: Arrangement including one or more light projectors
IPC: F21V21/14
Filed: 1971-11-12
Abstract: 1332412 Lighting fittings SIEMENS AG 12 Nov 1971 [23 Nov 1970] 52784/71 Heading F4R One or more light projectors 1 for a television studio is remotely operated by an arrangement in which an electric generating means G produces control signals that are transmitted via control conductors 5, 6 or by wireless means to one or more drive motion generators which operate the projector to displace arid focus it. The projector 1 is connected through a stirrup 2 and telescopic suspension device 3 to a horizontal carriage 4. Control device 7 regulates driving unit 9 and chain drive 9a for lateral movement and driving unit 10 and a cable drum and pulley system 11 for vertical movement. Control device 8 is connected to an adjusting unit 12 for the turning, tilting, focusing, and movement of the shutters 13 of the projector 1, via flexible shafts 14, 15, 16 and associated gearing. The units 9, 10 and 12 may be electrically, Fig. 3 (not shown) or hydraulically driven. The wireless transmission of signals may employ modulated infra-red light and more than one movement of the remote-controlled fitting may be effected simultaneously.
Patent GB-1191357-A (GB)
Title: Improvements in or relating to a Thread Take-up Lever for a Sewing Machine
IPC: D05B49/00
Filed: 1968-11-07
Abstract: 1,191,357. Sewing-machines. MEFINA S.A. 7 Nov., 1968 ;[20 Dec., 1967], No. 52803/68. Heading D1G. A take up lever for a sewing machine comprises a body made partially or wholly of metal wire. As shown in fig. I a take up lever eye 11 is formed by wire which is set in synthetic plastics which form the rest of the body. In a modification the take up lever may be made wholly of wire shaped as in fig. 1. In a further modification the bent loop portion of the wire may terminate in the synthetic plastics between the eye 11 and the pivot 6.
Patent GB-1559990-A (GB)
Title: Machines for making ice cream shakes or whipped cream
IPC: A23G9/14
Filed: 1976-12-22
Abstract: In order to prevent the reflux of already prepared soft ice-cream compound or of the ice-cream mixture which is still to be frozen from a freezing chamber (1) of the soft ice-cream machine into a source (11) of compressed air and automatically to maintain a set air pressure ratio between the freezing chamber (1) and a supply container (8), the freezing chamber (1) is releasably connected to the supply container (8) by means of an ice-cream mixture pipe (13, 15), which is guided into the supply container (8) and terminates just above the floor of the latter, and to the source (11) of compressed air by means of the upper part, which does not contain liquid, of the supply container (8) via a compressed air pipe (10, 17). The compressed air pipe (10, 17) has a flow-regulating valve (18) between the freezing chamber (1) and a connection which is present on the lid (108) of the supply container (8). The connections are designed as rapid-action couplings (12, 14, 16) which each contain a non-return valve (112,212; 114,214; 116,216). The said couplings automatically close during decoupling, so that there is no loss of pressure or outflow. <IMAGE>
Patent GB-1105279-A (GB)
Title: Method to derive the base timing pulse during the transmission of digital information items
IPC: H04L7/033
Filed: 1965-12-17
Abstract: 1,105,279. Automatic phase control systems. INTERNATIONAL STANDARD ELECTRIC CORPORATION. 17 Dec., 1965 [19 Dec., 1964], No. 63621/65. Heading H3A. A system for the generation of pulses in synchronism with received data comprises a pulse generator whose frequency/phase is variable in discrete steps. In one embodiment, Fig. 3 (not shown), the data is differentiated and passes through one or other of two AND gates, controlled by pulse trains 180 degrees out of phase which come from the clock pulse generator. The AND gate outputs respectively step a counter forwards and backwards, the counter coupling one or more capacitors inductively across the tuned circuit of the oscillator in order to change its frequency. In a second embodiment, the differentiated data pulses are added to the square wave clock signal, the sum signal passing to a circuit which generates a pulse of width dependent on the phase difference between the negative data transitions and the leading edge of the clock pulse. The variable width pulse switches a capacitor across the tuned circuit, thereby changing the oscillator frequency for a period depending on the width, and hence changing the phase of the clock train.
Patent GB-1493405-A (GB)
Title: Abrasion resistant flexible pipe-or tube joint
IPC: F16L57/06
Filed: 1974-12-12
Abstract: 1493405 Pipe joints BRIDGESTONE TIRE KK 12 Dec 1974 [21 Dec 1973 (2)] 53696/74 Heading F2G A flexible joint comprises a reinforcing layer 3 of rubberized cords and an outer rubber layer 5 both of part-spherical form, together with an inner rubber layer 2; the reinforcing layer extending between and bound to axially spaced tube portions 1, 1<SP>1</SP>. The axial length "1" by which said tubes are spaced when the joint is unbent is given by 1<0À68 d where "d" is the tube diameter, and the radius of curvature of the part-spherical formations complies with R#10d. The reinforcing layer 3 may comprise two rubber layers each reinforced with parallel cords which for each layer, run in opposite angular relationship to the joint axis.