baber/WOPTO huggingface dataset:
Patent GB-1440958-A (GB)
Title: Electrohydraulic servo-distributor
IPC: F15B13/043
Filed: 1973-12-21
Abstract: 1440958 Fluid-pressure servomotor systems MESSIER-HISPANO 21 Dec 1973 [29 Dec 1972] 59427/73 Heading G3P An electro-hydraulic servo-distributer comprises a primary stage 1 having drive means formed by a magnetic circuit including two electromagnets 3, 31 co-operating with permanent magnets 6, 6' so that the fields act in the same direction across one airgap 11' and in opposite directions across a second air-gap 11 to provide a biasing torque on a movable assembly 10 carrying a baffle 19 co-operating with jets 20, 20'. The latter are supplied from the inlet 21 of a secondary stage 2 by way of a filter 23 and produce a pressure differential to operate a spring- centred valve 25. Torsion bars 15, 15' support the movable assembly. In a modification, the valve 25 has chambers (32, 32'), Fig. 4 (not shown) in communication with the pilot stage and one end (37) in communication with an exhaust port (38) while the other end (36) communicates with the output (34) of the valve. The output pressure at the port (34) is inversely proportional to the strength of the current in the coils (4, 4'). In a further modification, the end (37), Fig. 6 (not shown), of the valve 25 communicates with the supply aperture so that the output pressure is not sensitive to small variations in the return pressure.
Patent GB-1329118-A (GB)
Title: Wobble drive motor
IPC: G01D5/12
Filed: 1970-12-15
Abstract: 1329118 Recording apparatus TELETYPE CORP 15 Dec 1970 [17 Dec 1969] 59472/70 Heading G1J [Also in Division H2] An XY plotter comprises a web 14 and an inscriber 17 which is arranged to be moved horizontally, the web itself being vertically adjusted to produce the desired trace 21. The movement of the web is controlled by a platen 11 having teeth 12 engaging holes 13 in the web, the platen being rocked about its axis by a wobble drive motor (see Division H2). The motor is supplied with two signals, one representing the variable to be recorded, the other being a feedback signal representing the actual vertical position of the web and being obtained from a photosensor 48 co-operating with a light source 46 and a slotted disc 42 mounted on the shaft of the platen. The web 14 is fed from a fan-folded inventory 15 in a container 16. The inscriber may be an ink jet nozzle.
Patent GB-1449030-A (GB)
Title: Isothiazolidin-3-ones and their use as biocides
IPC: A01N43/80
Filed: 1973-12-28
Abstract: 1449030 Isothiazolidin-3-ones ROHM & HAAS CO 28 Dec 1973 [28 Feb 1973] 59908/73 Heading C2C Novel isothiazolidin-3-ones having the general formula wherein R<SP>1</SP> is a hydrogen atom or an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl group or a carbamyl group of the formula Y is an oxygen or sulphur atom; R<SP>4</SP> is an optionally substituted alkyl, alkylsulphonyl, arylsulphonyl, aralkylsulphonyl, aryl, aralkyl or carboalkoxyalkyl group; R<SP>2</SP> and R<SP>3</SP> are halogen atoms or optionally substituted alkyl groups and X is a halogen atom, are prepared by either (i) halogenating a 4-isothiazolin-3-one of the formula preferably at a temperature of from -15 to 120 C. in a non-hydroxylic solvent, or (ii) by cyclization of a dithiodiisobutyramide of the formula e.g. by simultaneous addition of a halogenating agent and the amide to a solvent at a temperature of from 25 to 70 C. The novel compounds may be used as biocides.
Patent GB-1374751-A (GB)
Title: Enzyme inhibitors of microbial origin
IPC: C12P1/06
Filed: 1971-12-23
Abstract: 1374751 Testing enzymes BAYER AG 23 Dec 1971 [28 Dec 1970 24 Sept 1971] 59939/71 Heading G1B [ Also in Divisions A5 and C3] The following methods of testing enzyme potency are disclosed. Amylase and saccharase are incubated in starch and sucrose solutions, respectively, and the reaction mixture is treated with dinitrosalicylic acid and the colour produced evaluated. Maltase is incubated with p-nitrophenyl -α-D-glucopyranoside in solution and the amount of p-nitrophenolute in the reaction mixture is determined photometrically. The tests are used to ascertain the inhibiting effect of the micro-biologically produced, glycosidehydrolase inhibitors described and claimed.
Patent GB-1305250-A (GB)
IPC: D06P1/62
Filed: 1970-12-17
Abstract: 1305250 Triazine derivatives UNITIKA KK 17 Dec 1970 [2 July 1970] 60076/70 Heading C2C Triazines of the general formula wherein R 1  is a phenyl (optionally substituted by nitro, chloro, aceto or alkyl), biphenyl or naphthyl group, R 2  is -NR 5 R 4 (SO 3 M) n  or -OR 4 (SO 3 M) n  in which R 4  is a di- or tri-valent aromatic group containing up to 20 carbon atoms or an alkylene group containing up to 6 carbon atoms, R 5  is H or C 1-5  alkyl group, M is the atomic equivalent of an alkali or alkaline earth metal or manganese, n is 1 when R 4  is divalent or 2 when R 4  is trivalent, R 3  is OH, OR 1  or R 2 , are made by contacting an aqueous suspension of cyanuric chloride with a molar equivalent of each of R 1 OH, R 2 H and R 3 H in the presence of at least one inorganic base which is a carbonate or bicarbonate or hydroxide of an alkali or alkaline earth metal or manganese, at 0-20‹ C., and separating the triazine derivative from the reaction mixture.
Patent GB-1315140-A (GB)
Title: Shell and tube steam generator with economizer
IPC: F22B35/00
Filed: 1970-12-21
Abstract: 1315140 Steam generator COMBUSTION ENG Inc 21 Dec 1970 [24 Dec 1969] 60603/70 Heading F4A In a vapour generating unit 10, heating liquid enters at inlet nozzle 30 passing to an outlet nozzle 32 via tubes 28. Primary and secondary fluid inlets 36, 38 allow entry of vaporizable fluid to the vapour generating chamber 26. Hot fluid enters a preheat section at the inlet 36, baffles 40, 48, 40 facilitating maximum heat transference. Similarly the vapour on reaching a superheat section encounters baffles 60, 44 which impedes vapour movement before the superheated vapour exits at an outlet nozzle 34. Cooler fluid enters the chamber 26 at the nozzle 38 and falls through a vapour filled volume 52 before reaching the preheat section. A baffle 61 minimizes the thermal shock to the shell 12. Regulators (76) and check valves (72, 74), Fig. 2 (not shown), control the ratio of the feed water which enters at the inlets 36, 38. Additional control elements (82, 84) monitor the feedwater temperature and load demand on the unit respectively.
Patent GB-1278690-A (GB)
Title: Improvements relating to screen projectors
Inventor: MCLINTIC WILLIAM JAMES
IPC: G03B21/20
Filed: 1969-12-17
Abstract: 1278690 Reflectors THORN LIGHTING Ltd 9 Dec 1970 [17 Dec 1969] 61558/69 Heading F4R A modified ellipsoidal reflector, particularly for use in a slide projector, has a surface composed of two part-ellipsoidal portions symmetrical about, and meeting in, a meridional plane 30 of the reflector, the reflector being obtained, in effect, by making cuts 31, 32 through a normal ellipsoidal reflector in planes symmetrically disposed on opposite sides of a meridional plane of the ellipsoid, removing the slice cut off between the two symmetrical planes, and uniting the remaining portions along their cut edges. The cuts may be convergent, as shown, or parallel, and the reflector, which preferably has a dichroic coating, is manufactured in one piece from a mould of modified form. When used with a flattened coil filament 22 as the light source the reflector cannot produce an image of the cool ends of the filament and therefore gives a more uniform light distribution.
Patent GB-2001035-A (GB)
Title: Hook mounted vertical compensating apparatus
IPC: B66C13/10
Filed: 1978-07-05
Abstract: Disclosed is a self-contained vertical motion compensation unit adapted to be carried by a crane hook 19 between the crane hook and the load 14. The unit includes a cylinder and piston assembly 22, 26 which supports the load on a compensated hook 126 and automatically varies the distance between the crane hook and the compensated hook to compensate for relative vertical movement of a platform 11 supporting the crane and a platfrom 15 to or from which the load is to be transferred. Sensors 110 which generate a signal in response to vertical movement are associated with each platform which is movable with respect to the other platform. Signals from the sensors 110 are used to control the position of the piston in the cylinder and thereby vary the vertical separation between the compensated hook 126 and the crane hook 19 in relation to relative vertical movement between the crane boom 17 and the landing platform 15. <IMAGE>
Patent GB-2006207-A (GB)
Title: N- epsilon -Trimethyl-L-lysine salts
IPC: A61P35/00
Filed: 1978-10-12
Abstract: There are disclosed novel salts of N- epsilon -trimethyl-L lysine, formed with one or two molecules of aspartic acid, fumaric acid or glutaminic acid a process for their preparations and pharmaceutical compositions containing them. The new salts are stable and may be advantageously used for various pharmacological purposes.
Patent GB-2034789-A (GB)
Title: Offshore structure
IPC: E02B17/02
Filed: 1978-11-23
Abstract: An offshore structure includes a plurality of tower elements (1, 4, 5, 6) which are disposed one above the other to extend from the seabed to above the maximum water level. The elements are assembled on site from the bottom upwards until the required height is reached. The structures 1, 4, 5 are of concrete and the top portion 6 is of steel. <IMAGE>
Patent GB-2009541-A (GB)
Title: >A method and apparatus for synchronizing waveforms
IPC: H04L27/38
Filed: 1978-12-21
Abstract: Frequency synchronisation apparatus comprises a high frequency oscil- loaded into the counter 11 under the pulses from the oscillator 10, a counter 17 for counting N cycles of an incoming carrier signal and a counter 15 controlled by a gate 14 to produce a count indicative of the time difference between N cycles of the oscillator 10 and N cycles of incoming carrier signal. During a subsequent period of N cycles the count of the counter 15 is loaded into the counter 11 under the control of a data selector 19 so that the frequency of the oscillator 10 is synchronised with that of the incoming carrier. The selector 19 splits the count of counter 15 into groups of bits of decreasing significance and loads these groups into counter 11 at times related to the significance of the bits of the groups. <IMAGE>
Patent GB-2015720-A (GB)
Title: Dewar vacuum flask for cryogenic liquid
IPC: H01F7/20
Filed: 1979-02-15
Abstract: A Dewar vacuum flask 10 includes a spun can 25 for the liquid, e.g. liquid nitrogen, which spun can is surrounded by an exterior shell 26. Between the exterior shell 26 and the can 25 is an evacuated space containing a second shell 29 that functions as a radiation shield. The can and both shells are formed of an aluminium alloy having a very high percentage of aluminium. The exterior can surface, interior surface of the exterior shell, and both surfaces of the second shell have clean, non-pitted, smooth, matted, smut free and etched appearances free from discoloration and stains so that these surfaces have low radiation emissivity properties and there is a minimum amount of radiant energy transmitted from the exterior shell to the can and reduce heating of the liquid in the can. Each of the surfaces is initially polished, either mechanically, electrochemically or chemically, and then chemically treated with an etchant of nitric acid and hydrofluoric acid for a sufficient duration to achieve the desired appearance. <IMAGE>
Patent GB-2029246-A (GB)
Title: Toy vehicle with magnetic wheels
IPC: A63H17/26
Filed: 1979-02-16
Abstract: A toy motorcar has a plurality of magnetic wheels wherein each wheel comprises a magnetic disc 12 and two circular iron plates, 14, 15 said magnetic disc being surrounded by a tire 13 and fixed to a wheel axle 8 of the car, each of said circular iron plates having a diameter equal to that of the magnetic disc plus tire, having a hole 19 larger than the diameter of the wheel axle at its centre so as to be rotatably free of said wheel axle and having a plurality of bosses 16 around the centre on one side face, and said magnetic disc being so sandwiched between said two circular iron plates that the bosses of said iron plates are in contact with both side faces of the magnetic disc. The toy may be powered by an electric motor, clockwork, or an inertia flywheel motor. <IMAGE>
Patent GB-2046086-A (GB)
Title: Washing machine
IPC: B08B3/10
Filed: 1979-04-05
Abstract: An industrial washing machine suitable for use in the cleaning of food containers, trays and cutlery comprises a washing section 12 having at least one tank 38 containing wash water 40, a pump 42, a spray head 44 for spraying the articles to be cleaned with wash water supplied by the pump, and a heat exchanger 20 for heating the wash water arranged above the spray head and tank so that it is not contaminated by material removed from the articles being cleaned. The heat exchanger may comprise a pair of concentric tubes 24, 28, hot combustion gases from burner 26 flowing in the direction of arrow A through inner tube 24 and wash water flowing in the opposite direction through outer tube 28. The machine may also be provided with a rinse section 14 and a drying section 16. <IMAGE>
Patent GB-2048941-A (GB)
Title: Readily cross-linkable anodically electrodeposited polybutadiene compositions
IPC: C09D5/44
Filed: 1979-04-18
Abstract: In the production of a resinous coating on a metal surface by anodically electro-depositing a film on the surface from an aqueous solution or dispersion of derivatives of liquid polybutadienes and cross-linking at elevated temperature, the solution or dispersion comprise anions derived from one or more liquid polybutadienes which have been combined with from 17.5 to 42.5 per cent by weight of maleic anhydride and subsequently half-esterified with one or more hydroxyalkyl or epoxyalkyl acrylates or methacrylates sufficient to half-esterify at least one quarter of the anhydride residues, sufficient carboxy groups being formed thereby to render the composition anodically electro- depositable after neutralisation and/or solution or dispersion in water. The anodically electro-deposited film is cross-linked by heating the metal surface at a temperature not less than 120 DEG C and not more than 180 DEG C. The presence of the hydroxyalkyl or epoxyalkyl acrylates or methacrylates in the composition enables cross- linking to be effected at significantly lower temperatures than previously proposed anodic electrodeposition compositions based on polybutadienes.
Patent GB-2019375-A (GB)
Title: A process for the recovery of silver
IPC: C01G5/00
Filed: 1979-04-20
Abstract: Metallic silver contained in photographic film waste is recovered by treating the film with an alkaline solution containing cyanide ions and persulphate ions, to dissolve and oxidise the silver, the silver being then recovered from the solution in a manner known per se.
Patent GB-2030152-A (GB)
Title: Process foe heat-treating a fluoro-carbon sulphonamide cation exchange membrane
IPC: C08J7/12
Filed: 1979-07-05
Abstract: An ion exchange membrane of a fluorinated polymer which contains sulfonyl groups, wherein the sulfonyl groups on one surface of the membrane are in the form of N-monosubstituted sulfonamide groups formed from a di- or polyamine, is treated by heating at a temperature of 100 DEG  to 160 DEG  C. for a time of at least 15 minutes. The resulting membrane is useful as the membrane in a chloralkali electrolysis cell, and permits operation of such cells at high current efficiency over extended periods of time.
Patent GB-2024658-A (GB)
Title: Coating of compressed board materials
IPC: B27N7/00
Filed: 1979-07-09
Abstract: Compressed board material, such as chipboard, is first treated with a polyester resin to provide a sealing coat, and is then sprayed electrostatically with a powdered organic polymeric material which is cured to a hard coat which is crack-resistant yet has some flexibility. The curing may be an infra- red heat source.
Patent GB-2057542-A (GB)
Title: Controlled drop mechanism
IPC: E06B9/78
Filed: 1979-09-01
Abstract: A roller blind control mechanism which allows the position of the blind to be controlled by a single pull cord located at one side of the blind. The cord controls the operation of a pawl (21) which is resiliently biased into engagement with ratchet teeth (26) rotatable with the roller. When tension above a certain threshold is applied to the cord it causes disengagement of the pawl (21) from the ratchet teeth (26) and allows the roller to rotate freely in either direction while the tension remains above the threshold. The cord may pass through a hole 24 in the pawl. <IMAGE>
Patent GB-2033017-A (GB)
Title: Internal combustion engine plant
IPC: F02B29/04
Filed: 1979-10-25
Abstract: An internal combustion engine plant comprises a water-cooled internal combustion engine (1), at least one supercharging unit (3,8) the air charge conduit (6) of which includes an air cooler heat exchanger (7), a first vapour circuit (13) arranged to operate at a higher pressure and temperature level and to extract, in a heat exchanger 12, waste heat from the exhaust gases of the engine, and a second vapour circuit (25) arranged to operate at a lower pressure and temperature level and to extract, in heat exchanger 7, heat from the air charge and to extract waste heat from the cooling water of the engine, in heat exchanger 22. Working medium from the two vapour circuits is fed to a vapour turbine (32) for expansion to perform work, the cooling water circuit of the internal combustion engine being arranged as a hot-water circuit (21, 22, 23, 24) at positive pressure e.g. 5 atmospheres and with cooling water temperatures in excess of 100 DEG C, e.g. 130 DEG C, in which the second vapour circuit for the evaporation of the working medium in that circuit includes a heat exchanger (28) disposed in the heat exchanger 7 for heating the working medium in a liquid state, an expansion device (31) for vapour generation, and a chamber (34) in which vapour and liquid are separated. <IMAGE>
Patent GB-2037922-A (GB)
Title: Pipe Joint Structure
IPC: F16L27/04
Filed: 1979-11-12
Abstract: A joint structure between two tubes (10, 11) of an exhaust system comprises part-spherical end portions (12, 13) of the tubes sandwiched between an internal support (14) and a band (17) which embraces the end portions. The band can be tightened to secure the tubes rigidly to one another in a selected angular relation. <IMAGE>
Patent GB-2038726-A (GB)
Title: Vehicle air conditioning systems
IPC: H04N5/28
Filed: 1979-12-19
Abstract: An outside broadcast vehicle is described having individually air conditioned control compartments 1, 2 and 3. The control compartments are separated by fixed walls, and there is provided in the vehicle roof space over each of the compartments at least one device 4 for accommodating a compact air conditioning system. <IMAGE>
Patent GB-2041889-A (GB)
Title: Device for Registering and Copying Multiple Sheetlike Originals
IPC: B65H43/00
Filed: 1980-01-23
Abstract: Two or more originals can be registered and then copied on to one sheet of receiving materials in one copying run. The side edges of originals to be copied, e.g. manually taken from trays 10, are positioned against registering lays (3,4,5,6) at a positioning station (2). The sheets are then simultaneously transported to an exposure plate and copied together. If required there may be provided on the exposure plate a mask which partly obscures the originals on copying and which may itself bear information to be copied. Sheet sensors associated with one or more of the registered positions defined by the lays, may initiate a copying cycle. <IMAGE>
Patent GB-2051430-A (GB)
Title: Fluid-tight watch case
IPC: G04B39/02
Filed: 1980-05-23
Abstract: A bezel (6) is composed of two parts (12 and 13) which may be formed by machining and are thereafter joined to one another by welding, soldering, brazing, or cementing. A peripheral rib (14) of a wall (2) of the case back (1) extends within the U-shaped profile formed by the two bezel parts (12 and 13). The rib (14) surrounds a gasket (15) fitted on the inner arm (13a) of the U-shaped profile (12, 13), the outward face of which being frustoconical and flaring downwards, for holding the gasket in place, thus facilitating assembly.
Patent GB-2076343-A (GB)
Title: A tailgate mechanism for a tipping container on a vehicle, such as an agricultural tractor
IPC: B60P1/26
Filed: 1980-05-27
Abstract: Pivotal transmission linkage (22, 34, 38) is interposed between the tailgate (18) and a fixed part of the vehicle, e.g. the chassis (10), to be responsive to tripping of the container (14) to cause the tailgate to open by turning thereof about a pivotal support (20) on which said tailgate is mounted to the container. The invention is characterised by an arm (22) forming part of the linkage, which arm is operatively driven by a cam (42) as the container tips. The arm is driven only during a predetermined initial tipping movement of the container, e.g. the first 11 degrees, whereafter the cam disengages the arm, which thereafter remains fixed against a stop (50). While the arm is being driven, the linkage mechanism acts to hold the tailgate locked closed, but with further tipping of the container after the predetermined initial tipping movement during which the arm (22) is stationary against the stop, the remaining parts (34, 38) of the linkage drive the tailgate open. A reverse procedure occurs when the container is restored to its rest or untipped position. <IMAGE>
Patent GB-2052498-A (GB)
Title: Method and apparatus for preparing aromatic hydrazo or diaminodiphenyl compounds
IPC: C25B9/19
Filed: 1980-06-02
Abstract: A method and apparatus for preparing aromatic hydrazo compounds by electrochemical reduction of aromatic nitro compounds on a technical scale. The reaction is carried out continuously and in two steps, comprising a first step in which the aromatic nitro compounds are reduced to form the corresponding azoxy compounds, which are isolated, and a second step in which the azoxy compounds isolated are reduced to form the corresponding hydrazo compounds.
Patent GB-2077783-A (GB)
Title: Mercerising cloth
IPC: D06M11/40
Filed: 1980-06-03
Abstract: The invention relates to a method and unit for treating a cotton cloth of twisted yarn in loom state. A cotton cloth is boiled with simultaneous mercerization by guiding it alternatingly through a boiling solution of caustic soda in a bath 19 and its vapors in a zone 22. The cloth is then steamed on a roll under a 5-10 kgf/m tension, whereas the steaming of the cloth following its bleaching and dyeing is conducted for 1-2 minutes under tension and for 2-10 minutes without tension. The cloth is subjected to stentering in the course of its boiling with simultaneous mercerization by a device 25 in the caustic soda vapor phase, and also prior to the steaming in the roll, prior to the leaching and in the course of the leaching by stentering devices. <IMAGE>
Patent GB-2058703-A (GB)
Title: Winch system
IPC: B66D1/38
Filed: 1980-07-31
Abstract: A winch system for paying out and retrieving line includes a spooling unit (34), traction unit (22), and automatic level winding system (42). The automatic level winding system allows the location of the spooling unit and traction unit to be varied with respect to each other. The spooling unit, traction unit, and automatic level wind can thus be arranged to avoid reverse bends in the line even though the winch system is packaged as a single compact unit. The automatic level wind linearly reciprocates the point at which line is directed on or off the spooling unit. <IMAGE>