baber/WOPTO huggingface dataset:
Patent GB-836921-A (GB)
Title: Pigment compositions comprising the lead salt of tetrabromofluorescein
IPC: C09D11/02
Filed: 1957-05-21
Abstract: The invention comprises a red pigment composition or pigment paste comprising the lead salt of 2 : 4 : 5 : 7-tetrabromo-3 : 6-fluorandiol and minor proportions by weight sufficient to impart anti-bronzing properties to the pigment composition of one or more rosin amines and one of the following acid red dyes: Acid Alizarin Red B, Violamine B, and halo-3 : 6-fluorandiols.  The acid red dye may be used in its free acid form or as a water-soluble salt such as the alkali-metal or ammonium salt or it may be combined with the rosin amine as the rosin ammonium salt of the dye.  Up to about 5% by weight of the lead salt of 2 : 4 : 5 : 7-tetrabromo - 3 : 6 - fluorandiol may be replaced by the lead salt of 4 : 5-dibromo-3 : 6-fluorandiol.  Rosin amines specified are abietylamine, dehydro -, tetrahydro - and dihydroabietylamine, dextro - and dihydrodextropimarylamine and mixtures thereof. Halo-3 : 6-fluorandiols mentioned are 4 : 5-dibromo-, 2 : 4 : 5 : 7 - tetrabromo - or tetraiodo -, 12 : 13 : 14 : 15 - tetrachloro -, 2 : 4 : 5 : 7 - tetrabromo-12 : 13 : 14 : 15 - tetrachloro - and 2 : 4 : 5 : 7-tetrachloro - 12 : 13 : 14 : 15 - tetraiodo - 3 : 6-fluorandiols and diiodotetrachlorofluorescein.  The compositions are made by mixing the ingredients in a conventional manner and are used in heat-set printing inks.  Examples are given.
Patent GB-1413269-A (GB)
Title: Aperture correction of video signals
IPC: H04N5/208
Filed: 1974-04-11
Abstract: 1413269 Television ROBERT BOSCH FERNSEHANLAGEN GmbH 11 April 1974 [25 May 1973] 16086/74 Heading H4F An aperture correction signal for a video signal is modified so that the peak values therein are brought to a constant level before it is added to the video signal, i.e. the peak values are rendered independent of the frequency of the video signal and thus independent of the rise time of the pulses in the video signal. The initial aperture correction signal at terminal 1, Fig. 3, derived by differentiating 6, non- linearly amplifying 8 and differentiating 9 the input video signal, is modified in a controllable amplifier 2 in response to a reference signal proportional to the maximum peak value of the correction signal occurring during one or more frame periods, this reference signal being derived by a rectifier stage 4 and stored, e.g. on a capacitor, in this stage. Fig. 4 shows the voltagetime diagrams at points (a)-(f) in Fig. 3 of two different pulses flanks of the video signal to be corrected, the pulse flank shown dashed having a longer rise time than that shown in full lines. Without regulating circuit (2, 4) the corrected video signal having a long rise time would have the dot and dashed shape. In a second embodiment the rectifier-storage stage 4<1>, Fig. 2, is supplied with the input correction signal to amplifier 2<1>.
Patent GB-885965-A (GB)
Title: Manufacturing method of solid electrolytic capacitors
IPC: H01G9/00
Filed: 1960-05-06
Abstract: 885,965. Solid electrolytic capacitors. NIPPON ELECTRIC CO. Ltd. May 6, 1960 [May 12, 1959 (2)], No. 16155/60. Class 37. A solid electrolytic capacitor 7 is sealed in a container 6 which encloses an atmosphere of oxygen or an oxygen-giving substance. The inclusion of the oxidizing atmosphere is stated to improve the stability of the capacitor at high operating temperatures, and to this end, a substance 9 which decomposes to evolve oxygen or an oxidizing gas at a temperature below 300‹ C is included in container 6. Leads 1, 2 pass through a glass seal 3 fused to a cover 4 which is welded to container 6. The capacitor 7 may comprise a wound tantalum foil or a porous sintered tantalum rod anode anodized at its surface and coated with a semi-conducting layer of MnO 2  or germanium, the cathode being a coating of aluminium or of graphite coated with a metal. Other anode materials disclosed are niobium, zirconium and aluminium
Patent GB-1181456-A (GB)
Title: Improvements in or relating to Variable Resistance Control Units
Inventor: BUDD WILBERT HENRY
IPC: H01C10/32
Filed: 1967-04-07
Abstract: 1,181,456. Variable resistors. CTS CORP. 7 April, 1967, No. 16159/67. Heading H1S. The movable contactor 13 of a variable resistor wipes the collector 35, which is connected to centre terminal 24 supported by a moulded non-ceramic dielectric base 18, and the resistance element 21 which is a film fired on a ceramic substrate 25 of, e.g., alumina or steatite, the substrate 25 being mounted on a supporting surface 20 of the base from which inner end portions 22a, 23a of two terminals project for respective connection to the ends of the resistance track. The base may be moulded from a compound of phenolformaldehyde or polyester, and the ends of the terminals are connected by conductive epoxy resin to conductive paths 27 at the ends of the track. The wiper is a carbon button 33 on contactor fingers 13b. The contactor fingers 13a engage the collector 35. The resistance track may be deposited by screening, and the substrate 25 secured to the base by adhesive. For ease of moulding base 18 round the terminals the latter may be blanked out of strip metal, bridging portions being removed after moulding (Fig. 3, not shown).
Patent GB-338920-A (GB)
Title: Improvements in hydrostatic depth regulating plate arrangements for torpedos
IPC: F42B19/04
Filed: 1929-05-25
Abstract: 338,920. Triggs, W. W., (Silurificio Italiano). May 25, 1929. Torpedoes, locomotive.-A hydrostatic depthsetting device, of the kind in which a diaphragm in one wall of a fluid-tight chamber is actuated on one side by the external water pressure and on the other side by compressed air, a stabilizing pendulum, and a spring, and is connected to the depth-regulating mechanism, has the said chamber mounted in a free open chamber in the torpedo and freely exposed over the whole of its surface to the water. As shown, a fluid-tight chamber 2 is arranged in an open chamber 7 in the body of the torpedo. A diaphragm 1 disposed on the wall of the chamber 2 is controlled externally by water pressure and internally by compressed air and a pendulum 3, and by a spring 9. The movements of the diaphragm are communicated to the depth-regulating mechanism bv a rod 4, a lever 5 and an arm 8. The chamber 7 may be annular in shape, as shown, or it may be of any shape occupying the whole or part of the space comprised between two bulkheads 10, 11. The chamber 2 may be mounted in the chamber 7 in a readily removable manner.
Patent GB-264387-A (GB)
Title: Improved material for patching or repairing pneumatic tyres
IPC: B29C73/10
Filed: 1926-06-28
Abstract: 264,387. Boyce, R. D. June 28, 1926. Puncture - closing and other repair devices.- Patching or repairing material for air tubes and covers consists of - ordinary rubber b, with a raw rubber or like ` sensitive ' surface c protected by a layer a of tracing linen &c., and one or more layers d of canvas, one surface of which has been treated with indiarubber &c.
Patent GB-1349191-A (GB)
Title: Cinematographic reproduction apparatus
IPC: G03B21/32
Filed: 1971-05-21
Abstract: 1349191 Cine apparatus AGFA-GEVAERT A G 21 May 1971 [21 May 1970] 16269/71 Heading G2E  A cine projector includes a receiver 19 in which a stack of film cartridges 20 may be placed, the bottom cartridge being in the operating position in which its film is removed, projected and then rewound into the cartridge. An ejector 25 having an end 25a for abutting the cartridge is provided and this may be moved manually or driven by a belt driven pinion 26 meshing with a rack 25b connected to ejector arm 25c. The arm 25c enters the receiver 19 through aperture 19a and the cartridge 20 is forced through a door 29, normally held closed by spring 30, on to a removable platform 32. The projector includes a film stripping device comprising a pivoting drive wheel (5) Fig. 1 (not shown) and a separately pivotable stripping finger (8) and a film rewind device (11), both devices contacting the film via apertures in the walls of the cartridges 20.
Patent GB-997049-A (GB)
Title: Method and apparatus for control
IPC: G05B15/02
Filed: 1962-04-30
Abstract: 997,049. Automatic control. E.I.DU PONT DE NEMOURS CO. April 30, 1962 [May 8, 1961], No. 16376/62. Heading G3R. In an automatic control system, a signal dependent on a condition is sampled repetitively and the necessary action to correct the value of the condition is computed from each sample, that one of a plurality of correction rates which closest approximates to the computed corrective action being selected to control the condition. As shown, D.C. signals from a plurality of transducers 14 responsive to variables in a chemical plant are selected in sequence by a programmer 11 and applied through an analogue to digital converter 15 to a computer 16. Programmer 11, which includes binary counters operated from a pulse source 10, produces output pulses which select each transducer 14 at a repetition rate suited to the variable to which it is responsive. Computer 16, also controlled by programmer 11, derives signals representing deviations of the variables from desired values and, by means of memory devices storing previous measurements of the variables, adds components representing rate of change or even rate of change of rate of change of the variables. The resultant error signals so produced are applied to a logic circuit 17 including a diode matrix for selecting from a source 21 one of a plurality of pulse repetition rates corresponding to the magnitude of each deviation and variable involved. An appropriate valve-operating motor 19 selected by programmer 11 is then supplied with power intermittently at the chosen pulse repetition rate to correct the variable in the interval before the next measurement selection. The valve-operating motors are synchronous motors supplies in series with saturable reactors to the control windings of which the pulses are applied so that the motor operates in the appropriate direction at the chosen average speed. Non-digital systems and systems employing A.C. signals are referred to. The following auxiliary features are also referred to: - (a) Operation of an alarm when error of a variable is excessive. (b) Alternative manual control of each valve or groups of valves at maximum or inching speed. (c) Manual stepping of programmer 11. (d) Electric remote indication of valve positions.
Patent GB-106055-A (GB)
Title: Improvements in Yarn and like Packages and in Devices employed in the Winding of the same.
Inventor: ULMANN CARL JOSEPH
IPC: B65H54/54
Filed: 1916-11-15
Abstract: 106,055. Ulmann, C. J. Nov. 15, 1916. Balling - machines.- A ball of yarn &c. having a hollow interior and end flanges 29, 30, which extend substantially at right-angles to the axis, and have openings of less diameter than the interior is wound on a tubular core 27 secured to a carrier 10 by fingers 22, which are pivoted in radial slots 14 in the carrier and adapted to move within the periphery of the carrier to allow the ball to be removed. The fingers are kept in their normal position by a spring 21 acting on a member 16 having projections 17 sliding in the slots 14, and also on a plate 20 carried by a stem 18 sliding in a bushing 19 in the end of the carrier. The end of the yarn is secured between the plate 20 and the carrier. When sufficient pressure is exerted on the ball successively to move it axially relatively to the carrier, it operates the member 16 and the plate 20 against the action of the spring 21 by cam surfaces 24 on the fingers 22. The fingers are provided with squared ends 26 to limit their operative positions.
Patent GB-748035-A (GB)
Title: Process for the production of derivatives of naphthalene and naphthalene-hexachlorocyclopentadiene adducts
Inventor: HYMAN JULIUS
IPC: C07C205/12
Filed: 1953-06-15
Abstract: The invention comprises 2-monosubstituted, 2:3-disubstituted and 1:2:3:4-tetrasubstituted derivatives of the 5:6, 7:8-bis-(hexachlorocyclopentadiene) adduct of naphthalene, the preparation thereof by treating the said adduct (designated "CHTP") with reagents which introduce substituents into a benzenoid ring, and the thermal decomposition thereof to form 2-, 2:3- or 1:2:3:4-substituted naphthalenes.  The thermal decomposition may be carried out at 175-375 DEG  C., preferably under reduced pressure. In examples: (1) CHTP is tetrachlorinated by passing chlorine through a heated solution thereof in tetrachloroethane containing a trace of iron powder, and the product is decomposed to 1:2:3:4-tetrachloronaphthalene; (2) CHTP is treated with bromine under somewhat similar conditions, and the resulting 2:3-dibromo compound is decomposed to 2:3-dibromonaphthalene; (3) CHTP is mononitrated by heating with excess of nitric and sulphuric acids, and the product is decomposed to b -nitronaphthalene; (4) CHTP is refluxed with sulphuryl chloride in the presence of aluminium chloride to produce CHTP sulphonyl chloride, which is decomposed to naphthalenesulphonyl chloride; (5) CHTP is monosulphonated with fuming sulphuric acid and the product is decomposed to naphthalene-2-sulphonic acid.  Specification 730,430 is referred to.
Patent GB-893984-A (GB)
Title: Improvements relating to roof supporting arches
IPC: E21D11/18
Filed: 1958-05-22
Abstract: 893,984. Mine arches. GUTEHOFFNUNGSHUTTE STERKRADE A.G. May 22, 1958 [May 22, 1957], No. 16555/58. Class 20(2) A foot 1 into which the end 2 of a mine arch enters has superposed metal plates 3, 4, 5 resting on it which embrace the arch end and have slots 3<SP>11</SP>,4<SP>11</SP>,5<SP>11</SP> for a wedge 6, the slots being arranged so that the plates grip the arch end to prevent sinking. The slots may be uniformly offset from the direction of displacement, the centre plate 4 being inverted. The centre plate 4 may be thicker than the others. Wedges and slots may be provided both sides of the arch end. Pressure members 7 with friction inserts may take up unfilled space.
Patent GB-554169-A (GB)
Title: Process for the production of sulphur
IPC: C01B17/06
Filed: 1941-12-23
Abstract: 554,169. Sulphur; calcium sulphate; arsenious oxide. MASON & BARRY, Ltd., and RICH, E. Dec. 23, 1941, No. 16577. Drawings to Specification. [Classes 1 (iii) and 90J Gases containing sulphur dioxide are scrubbed with a solution of calcium polysulphide in presence of a catalyst to produce calcium polythionate, which is then decomposed into sulphur and hydrated calcium sulphate. The gas is preferably the waste gas resulting from the preparation of sulphur by smelting pyrites with a reducing agent, and the solution is the liquor obtained by scrubbing the molten sulphur with milk of lime. It contains calcium polysulphide, thiosulphate and thioarsenate. The scrubbing is effected in a tower filled with lumps of limestone. The calcium polythionate is decomposed by injecting steam into the liquid and the sulphur is separated from the gypsum by flotation. Arsenic may be recovered from the polythionate liquor by filtering off the arsenic sulphide, dissolving it in alkali, and reprecipitating with sulphur dioxide.
Patent GB-1241395-A (GB)
Title: Electric machines
IPC: H02K5/167
Filed: 1970-04-08
Abstract: 1,241,395. Dynamo-electric machines; cable clamps. DUCELLIER & CIE. 8 April, 1970 [9 April. 1969], No. 16590/70. Headings H2A and H2E. An electric machine comprises stator poles mounted inside a ferromagnetic metal casing 1, a rotor 7 having a winding connected to a commutator 8, the end of the rotor adjacent the commutator being mounted in a bearing 2 by a bearing bush 32, Fig. 4 (not shown), the bush being seated partly in the bearing and partly in an annulus (33) located between the bearing and a brush-holder 19 which is attached to one side of the bearing, there being attached to the opposite side of the bearing a member 20 for mounting the machine on a support. In the motor shown, the member 20, bearing 2 and brush-holder 19 are secured together by rivets 17, 18. The stator poles may be coils or permanent magnets. The brush-holder is made of synthetic resin material and includes two diametrically opposed brush boxes (23, 24), the brush springs (25) being held in the boxes by stoppers (26) resiliently mounted in the boxes. The member 20 may have integrally formed studs 21 for securing the machine to support or may have apertures to receive studs on the support. One, 5, of the bolts, 4, 5, securing the bearings 2, 3, to the casing, also supports an insulating mounting 9 for the supply leads 13. The mounting 9 comprises two parts 10, 14, of rubber or synthetic resin material, the part 10 having two parallel grooves 11, 12, each having an enlarged region 11a, 12a, for receiving the insulation surrounding the core of a supply lead and a region 11b, 12b, for receiving the core itself. The parts 11c, 12c, receive members for connecting the leads to the brushes. The leads. are clamped in position by the bolt 5 securing the part 14 to the part 10.
Patent GB-113456-A (GB)
Title: Shuttle Locking Attachment for Sewing Machines and the like.
Inventor: WILDEY EDWARD MILTON
IPC: D05B57/26
Filed: 1916-11-23
Abstract: 113,456. Wildey, E. M. Nov. 20, 1916. Sewing-machines; lock-stitching by shuttles.- A device of the kind shown in Fig. 1 is pivoted on the shuttle race, as shown in Fig. 4, so that, when the machine is started, the forward side of the shuttle driver comes in contact with the arm l and drives the arm a across the shuttle k, thus automatically forcing it into working position. The arm a may be resilient and is provided with a guiding tongue s and convex bearing surface p which acts on the shuttle. Movement of the device is limited in one direction by a stop i and in the other direction by the bridge-piece d.
Patent GB-434151-A (GB)
Title: Improvements in or relating to the atomization of heavy oils
IPC: F23C99/00
Filed: 1934-06-04
Abstract: 434,151. Spray burners. LUCICH, G., 518, Chiadino S. Luigi, Trieste, Italy. June 4, 1934, No. 16618. Convention date, Nov. 16, 1933. [Class 75 (i)] Heavy oil, e.g. naphtha, for heating boilers, furnaces, &c. is sprayed, e.g. through nozzles 8, 9, into a current of air which is fed under pressure to an atomizer with one or more fan wheels 24, 25 and one or more filters 26, 29, and is conducted to the point of combustion. Steam may be supplied through a nozzle 10. The orifices of the nozzles 8, 9 may be of different cross-section. The flow of the mixture is regulated by a pair of discs 17, 18 with radial slots, one disc 18 being fixed and the other rotatable. The disc 18 carries the shaft 22 for the fans 24, 25 which rotate in opposite directions. The filters may be of wire gauze, or similar to a honeycomb. The tubular member 33 may be double-walled to receive a cooling medium.
Patent GB-640560-A (GB)
Title: Improvements in or relating to ridging ploughs
IPC: A01B61/04
Filed: 1948-06-21
Abstract: 640,560. Agricultural implements. MORRISON, J., and BARCLAY, ROSS, & HUTCHISON, Ltd. June 21, 1948, No. 16636. [Class 6(i)] The stem 1 of a ridging plough is pivoted at 4 on the plough frame 2 and is releasably held in operative position by a catch 9 pivoted to swing horizontally on a lower member 6 of the plough frame. The catch, Fig. 3, is pivoted on a vertical pin 10 and has a face 9c which normally engages a roller 11 mounted on a retaining arm 12. If the plough strikes an obstruction, the catch yields and swings on the pin 10 until a concave face 9d engages the roller 11 against the action of a spring 14, the catch remaining thus until the stem 1 is returned to the working position.
Patent GB-497395-A (GB)
Title: Improvements in or relating to filters or purifiers for air or other gases or for vapours
IPC: B01D47/02
Filed: 1937-06-16
Abstract: 497,395. Air-filters. WITTEMEIER, H., and WITTEMEIER, C., (trading as DELBAG DEUTSCHE LUFTFILTER-BAUGES., DR. H. WITTEMEIER). June 16, 1937, No. 16693. Convention date, Aug. 10, 1936. [Class 8 (ii)] An air purifier comprises a filter consisting of a series of metal gratings 3 dipping into an oil bath and masked by an adjustable plate, e.g. one made in two parts 7a, 7b, giving a maximum air flow through the filter. The air afterwards passes through a baffle liquid separator 9, 10, and a filter 12 before passing to the outlet. The apparatus may be in three parts, viz. hood 17, filtering means all carried by plate 7b, and bath 1, the whole being detachably yoked together.
Patent GB-1469706-A (GB)
Title: Heat-hardened stainless steel article and process of producing it
IPC: C22C38/28
Filed: 1974-04-17
Abstract: 1469706 Martensitic stainless steel ARMCO STEEL CORP 17 April 1974 [25 April 1973] 16785/74 Heading C7A A heat hardened stainless steel article has a composition:- having Ti rich carbides uniformly dispersed throughout a martensitic matrix. The steel may be prepared by remelting using a slag, protective atmosphere or vacuum technique, casting, hot and cold working, tempering, heat-treating at 870‹ to 1235‹C, cooling at a rate at least equivalent to that of cooling in still air e.g. using a moving gas stream or oil quench and tempering or stress relieving. The steel may be used in corrosive and abrasive environments e.g. in bearings, ball joints, tyre studs, cutlery, mining and ore processing machinery.
Patent GB-283795-A (GB)
Title: Improvements in or relating to the vulcanizing of rubber tyres and the like
IPC: B29D30/06
Filed: 1927-06-24
Abstract: 283,795. Shaw, O., and Shaw & Co., Ltd., F. June 24, 1927. Vulcanizing tyres.-A tyre-vulcanizing mould comprises divided inner and outer shells a, d, which are detachably fitted together in spaced relationship so as to form a steam chamber e by means of a bayonet-type fastening consisting of inner and outer co-operating interrupted flanges a<1>, a<2>, d<1>, d<2>, automatic steam-tight joints being formed by rubber rings f which are held in groovesin the outer shells and are provided with tapered extensions which act under pressure of the steam to seal the joints. The two halves of the outer shell are locked together in similar bayonetfashion by a ring g, the necessary rotation of which can be effected by a hand-wheel i engaging a screwed connecting-rod h. As shown, two moulds are mounted together on a common bed plate s and the outer half-shells remote from the support are carried on vertical hinges t.
Patent GB-1135864-A (GB)
Title: Method for diffusion coating of substrates
IPC: C23C14/28
Filed: 1967-04-12
Abstract: 1,135,864. Vacuum deposition; sintering chromium. V.A. BELYAEV. J.A. KUZNETSOV. N.E. LEVCHENKO. and G. I. ESAREV. April 12, 1967, No.16799/67. Headings C7D and C7F. Articles to be coated with a relatively more volatile material are placed wholly or partially within recesses in a block prepared from the coating material and the block and articles are heated in a vacuum so that a coating forms on the articles. Preferably the block is moulded from a powder of the coating material, is sintered before use and is itself placed in a container before being put into a vacuum furnace. For example chromium powder may be pressed into a disc with openings, into which the articles to be coated are to be placed, and the disc be sintered before use in vacuum at 1,100‹C. to 1,150‹ C. for one hour. The articles to be coated may be of tungsten or molydenum. After an hour of heating at 1,150‹ C. a diffusion layer 12-154 thick forms on tungsten and one 15-184 thick on molybdenum.