baber/WOPTO huggingface dataset:
Patent GB-585238-A (GB)
Title: Improvements in or relating to lead alkyl compounds
IPC: C10L1/10
Filed: 1944-10-13
Abstract: Liquids comprising a major proportion of lead alkyl anti-knock agent are stabilized against deterioration during storage by adding a small amount of hydroquinone or quinhydrone, (e.g., 0.01 to 0.3 lbs. per gallon), Specified lead alkyl compounds are lead tetraethyl, lead tetramethyl, lead dimethyl, lead diethyl, lead monomethyl triethyl and lead compounds containing propyl or isopropyl groups.  In the case of lead tetraethyl the liquid to be stabilized may contain 60-65 per cent. by volume of tetraethyl lead and 35-40 per cent. by volume of lower aliphatic hydrocarbon halides, e.g., ethylene dibromide, ethyl bromide, ethylene dichloride, ethylchloride.  Minor diluents such as kerosene and dyes may also be present.  Storage tests are described.ALSO:Liquids comprising a major proportion of lead alkyl anti-knock agent are stabilized against deterioration during storage by adding a small amount (e.g. 0.01 to 0.3 lbs. per gallon) of hydroquinone or quinhydrone.  Specified lead alkyl compounds are lead tetraethyl, lead tetramethyl, lead dimethyl, lead diethyl, lead monomethyl triethyl, lead monoethyl trimethyl and lead compounds containing propyl or isopropyl groups.  In the case of lead tetraethyl, the liquid to be stabilized may contain 60 to 65 per cent by volume of tetraethyl lead and 35 to 40 per cent by volume of lower aliphatic hydrocarbon halides, e.g. ethylene dibromide, ethyl bromide, ethylene dichloride, ethyl chloride. Minor diluents such as kerosene and dyes may also be present. Storage tests are described.
Patent GB-702485-A (GB)
Title: Machine for loosening and shaking blocks of linen or the like which have been treatedin a hydro-extractor
IPC: D06F95/00
Filed: 1951-08-23
Abstract: 702,485. Endless conveyers. TULLIS, Ltd., D. & T., and SWIFT, J. Nov. 24, 1952 [Aug. 23, 1951], No. 19844/51. Class 78 (1) [Also in Group VIII] A machine for loosening and shaking blocks of linen after treatment in a hydrc-extractor comprises an inclined belt conveyer 2 equipped with a plurality of paddles 4 hinged to the belt, means to hold the paddles approximately perpendicularly to the adjacent flight of the belt for a predetermined portion of the travel of the upper flight of the belt, and a buffer board 12 disposed near the lower end of the conveyer. The paddles 4 have rearwardly projecting arms 6 carrying rollers 7 engaging a trackway 8 disposed parallel to the conveyer. The trackway 8 is formed with ramps 9, 10 at its ends, and when the rollers 7 reach the ramp 9 the paddle swings backwardly and allows the block of linen to tumble down the conveyer until arrested by the buffer board 12. This action, repeated if necessary, shakes out the block of linen, and transverse slats 11 are adequate to elevate the loosened articles and discharge them from the upper end of the conveyer into a receptacle (not shown). The belt 2 is mounted on rollers 3, the lower one being driven by a motor 14 through a belt 15 and gearing 16. The board 12 is fastened to cheek plates 13.
Patent GB-919065-A (GB)
Title: Improvements in laminates
IPC: B32B27/00
Filed: 1961-06-02
Abstract: 919,065. Laminates. DOW CHEMICAL CO. June 2, 1961 [June 9, 1960], No. 19947/61. Class 140. Polyolefins, particularly polymers and copolymers of ethylene, propylene and butylene of high and low density are laminated to paper, cardboard and like cellulosic products with the aid as adhesion promoter of a polyalkylene imine, particularly polyethylene imine, preferably applied in solution in water or a volatile organic solvent. The polyolefin is preferably supplied as a hot-extruded film.
Patent GB-777533-A (GB)
Title: Improvements in or relating to additive mixing circuit arrangements for frequency changing
IPC: H03D7/08
Filed: 1955-07-11
Abstract: 777,533. Frequency-changing circuits. PHILIPS ELECTRICAL INDUSTRIES, Ltd. July 11, 1955 [July 14, 1954], No. 19985/55. Class 40(6) In a self-oscillating frequency-changer comprising a pentode valve in which backcoupling is provided between the grid and screen-grid circuits 3, 2 respectively, one of which, the circuit 2 as shown, is tuned to the local-oscillator frequency, a condenser 10 is connected between screen-grid and anode. The condenser 10 is of low impedance at oscillator frequency, so that for this frequency the anode is effectively strapped to the screen-grid. The primary 7 of an I.F. transformer is in the anode circuit of the valve, being tuned by the condenser 10 in series with the screen-grid' circuit, which is of low impedance at this. frequency. The signal is applied from signal-frequency circuits 5 to a centre-tap on the grid circuit 3.
Patent GB-721060-A (GB)
Title: Improvements in or relating to pulse counting circuits comprising electron tubes
IPC: H03K29/00
Filed: 1952-08-08
Abstract: 721,060. Cathode-ray tubes. TELEFONAKTIEBOLAGET, L. M. ERICSSON. Aug. 8, 1952 [Aug. 15, 1951], No. 20064/52. Class 39 (1) [Also in Group XIX] In an electron valve for counting electrical pulses which contains a cathode, control electrodes, one or a number of anodes connected together, and a magnetic field which causes movement of the electron beam when a voltage pulse is applied to the anodes, the deflection of the beam across two or more control electrodes by one pulse is prevented by the arrangement of condensers in the electrical connections to the control grids or a supply to the control grids of a voltage pulse which is of opposite phase to that applied to the anode. A tube 22, Fig. 3, contains a cathode 21, control electrodes 1, anode 11 and an axial magnetic field to rotate the beam from one space adjacent a control electrode to the next when a voltage pulse is applied to the anode through the transformer 28. Two or more deflections caused by the internal capacities 31 are prevented by condensers 51. The time taken to deflect the beam from one space to the next can be adjusted by a voltage proportional to and of opposite phase to the voltage pulse through a condenser 61, Fig. 4, to the control electrodes 1. The number of pulses can be measured by fluorescent indications on a screen in the tube. A counter 22, Fig. 5, a number of which can be connected in series, has control electrodes 1-10, anode 11 and magnetic field 23. Negative pulses are supplied to the terminals 26, 27 and are led over terminals 73, 74 to the next counter tube. An amplifier contains condenser 78 and resistances 79, 80 which damp out positive pulses and also negative pulses of less than a predetermined peak voltage so that the selected negative pulses are fed to the grid 81 of the amplifying valve 76 which feeds the positive pulses to the oscillator 77. Negative pulses of predetermined duration and voltage are supplied through the triple wound transformer 28 to the terminals 73, 74 and to the anode 11. Series connected counters can be pre-set by a pushbutton switch. Resistances 82 are used for adjusting differences in the tube characteristics. Specification 675,465 is referred to.
Patent GB-1279780-A (GB)
Title: Tank vent valve assemblies
Inventor: HOLLAND JOSEPH LEO
IPC: F16K24/04
Filed: 1971-04-19
Abstract: 1279780 Tanks for aircraft GENERAL MOTORS CORP 19 April 1971 [22 May 1970] 20137/71 Heading B7W [Also in Division F2] A valve for venting a tank 10, such as the lubricating oil tank for an aircraft engine, comprises a housing 21 having a chamber 47 and an axial passage 45 in communication through a vent port 39, a top vent passage 27 in communication with the chamber 47 and a bottom vent passage 31 in communication with the axial passage 45, and a movable valve element 41 loosely disposed in the chamber to close the vent port 39 in one position of the housing and the top vent passage 27 in another position. When the aircraft is in level flight, the element 41 is in the position shown and the tank is vented through the pipe 27 and port 39. In inverted flight, the element closes the pipe 27 and the tank is vented through openings 32 in the bottom vent pipe 31 and a radial passage 44. The openings 32 also provide a vent path from the tank when the port 38 is closed by the element 41 in a nose-down attitude of the aircraft while in the nose-up attitude the openings 32 are submerged and the valve element rests in a position away from both ports 37 and 38. The passage 45 may communicate with atmosphere through a gear-box.
Patent GB-1049806-A (GB)
Title: Power zoom device for cameras
IPC: G03B17/14
Filed: 1964-05-14
Abstract: 1,049,806. Zoom lenses. EASTMAN KODAK CO. May 14, 1964 [June 10, 1963], No. 20149/64. Headings G2E and G2J. In a photographic camera having an objective lens system with at least one axially movable lens element, there is provided drive means for moving said lens element in one of its two axial directions against resilient means biasing the element in the other axial direction, and manually operable control means for coupling or uncoupling said drive means to the said lens element in accordance with the direction of movement required. The lens element 15 is connected by a mount 24 to a movable member 40 having a rack portion. A lever 28 pivotally mounted on a shaft 26 of a motor 25 car ries a gear 30 which may be cammed upwards into engagement with the rack by manual, counterclockwise rotation of a link 34, the gear 30 being rotated by a gear 27 carried on the shaft 26 so that the member 40, and hence the lens element 15, is moved axially forwards. A brake member fixed to the lever 28 holds the member 40 in its forward position upon return of the lever to its original position. The means for retracting the lens element 15 comprises a spring connected between an extension of the member 40 and an anchoring point on the camera casing. A gear train, which is wound up during the forward movement of the member 40, controls the retraction caused by the spring. The brake member is released during the retracting movement by clockwise rotation of the link 34. In a second embodiment (Fig. 3) the movable member comprises a rectangular frame having upper and lower portions 66, 67. A shaft 69 mounts a roller 68 and pivots a lever 70 which is operated by a fingerpiece 75. An extension 78 of the lever 70 is shaped to engage a pivoted lever 80, one end 82 of which carries brake material, so that rotation of the lever 70 in either direction withdraws the lever 80 from the portion 66 of the frame. Counterclockwise movement of the lever 70 causes a roller 77 to lift the portion 67 into contact with the roller 68. The roller 68 is driven by the motor 25 and by frictional engagement with the portion 67 moves the lens element 15 forward. The means for retracting the lens element 15 is similar to that used in the first embodiment.
Patent GB-444151-A (GB)
Title: Improvements in or relating to television transmitters
IPC: H01J31/50
Filed: 1935-07-15
Abstract: 444,151. Television transmitters; discharge apparatus. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. July 15, 1935, No. 20197. Convention date, July 14, 1934. [Classes 39 (i) and 40 (iii)] In a television transmitter of the kind in which an image is projected upon a mosaic screen or equivalent and scanning is effected by means of a cathode ray, direct impingement of the cathode ray upon the photo-active surface is obviated by forming the image, preferably portion by portion, upon the photo-cathode, from the parts of which a varying discharge of electrons is emitted and directed by means of electrostatic lenses upon a mosaic electrode so as to produce an enlarged electron image which is scanned by the cathode ray. In the arrangement shown, a mask D, used either alone when, e.g. a kinematograph film is being transmitted or in combination with a mirror wheel in the case of an actual scene, is employed to project the image line by line upon the photo-cathode 1, from which the photo-emission is directed by biassed electrodes 4, 5, 6 upon a mosaic electrode 7 comprising a line of separate insulated electrodes 8. The latter acquire charges proportional to the varying intensities of light incident upon the elemental areas of the photo-cathode 1, and form with a common positive electrode 9 a series of small-capacity condensers that are discharged by the cathode ray 10 by secondary emission to pass picture signals to the first valve 16 of an amplifier. Preferably, the ray 10 impinges on separate electrodes 12 connected to the electrodes 8, and additional electrodes 13, 14 are provided respectively to collect secondary emission from the electrodes 12 and to suppress emission from the electrodes 8. The electrodes 8 may, however, be scanned directly by projecting the cathode ray on the same side thereof as the cathode 1. The object may be imaged in successive small areas instead of line by line, in which case the electrodes 8 will have a corresponding area arrangement and the common electrode 9 will be replaced by a fine network, through which the scanning ray 10 will penetrate.
Patent GB-447950-A (GB)
Title: Improvements in or relating to rotors with adjustable blades
IPC: F03B3/14
Filed: 1935-07-17
Abstract: 447,950. Hydraulic turbines &c. VOITH, W., VOITH, H., and VOITH, H., (trading as VOITH, J. M., [Firm of]), Heidenheim-on-Brenz, Wurtemberg, Germany. July 17, 1935, No. 20355. Convention date, July 17, 1934. [Classes 110 (i) and 110 (iii)] In hydraulic turbines and pumps in which the rotor vanes b are angularly adjustable in the hub a, the vanes are attached to stub shafts c which have collars f bearing upon split bushes g. The bushes make a bayonet joint with the opening in the hub and are suitably locked. The stub shafts are embraced by stirrups h and are connected to the axially movable controlling spindle o, p by bell-crank levers l and links n, m. All parts are arranged within the hub which is filled with oil. The Specification as open to inspection under Sect. 91 comprises also a description of packing for the stub shafts. This subject-matter does not appear in the Specification as accepted.
Patent GB-1514761-A (GB)
Title: Vehicle hoists
IPC: B66F7/04
Filed: 1976-04-15
Abstract: 1514761 Controlling elevators CHRYSLER UNITED KINGDOM LTD 15 April 1976 [14 May 1975] 20417/75 Heading B8L The platform of a vehicle hoist is powered for vertical movement by a piston 12 and a cylinder 13 within a vertical pillar 17 at one corner of the platform and hoist support structure, the piston 12 carrying an adjustable screw 27 which when the platform reaches a lower limit position, displaces an operating arm 18 to close the hydraulic supply valve from the cylinder 13 whereby lowering of the platform is halted. Hydraulic fluid is supplied to, released from or locked in the cylinder 13 by an hydraulic valve arrangement controlled by a link 21 pivoted to the arm 18, the latter being secured to a pivot shaft 15 to which a handle 14 is also secured whereby manual actuation of the link 21 can be effected. The other corners of the platform are supported by vertical pillars incorporating a suitable arrangement of pulleys and cables.
Patent GB-595635-A (GB)
Title: Improvements relating to spinning and like frames
IPC: D01H1/18
Filed: 1944-10-23
Abstract: 595,635. Delivering sliver &c. to spinning &c. frames. FAIRBAIRN LAWSON COMBE BARBOUR, Ltd., and BEE, J. R. Oct. 23, 1944, No. 20456. [Class 120 (ii)] Sliver is delivered to the drafting rollers of a spinning or like frame for processing jute or similar fibres from rolls supported by pairs of rollers spaced apart a distance equivalent to the pitch of the spindles and positioned close to the intake rollers. The drive to the sliver supporting delivery rollers B, B' is from the lower of the intake rollers E<2> and is arranged to prevent the sliver being dragged from the roll A. Guides may be provided to prevent the rolls from getting out of position. The delivery rollers may be fluted and the sliver may be formed in straight or crimped rolls.
Patent GB-1457826-A (GB)
Title: Inclinometers
IPC: G01C9/14
Filed: 1974-05-09
Abstract: 1457826 Inclinometers ENGLISH ELECTRIC CO Ltd 7 May 1975 [9 May 1974] 20537/74 Headings G1F and G1N An inclinometer comprises a weight 22 Fig. 2 freely supported by gimbal rings 16, 21 from a pin 14 and carrying two cores 27, each located inside a fixed coil winding 23, the two coil and core assemblies being displaced by 90 degrees round the vertical axis of the weight 22, whereby displacement of the main housing from vertical varies the position of the cores 27 relative to the coils 23 and produces rectangular displacement component signals from the coils. The assembly is supported from the top plate 4 of a cylindrical housing 3, and is provided with a dashpot 29 in a bottom plate 2.
Patent GB-905639-A (GB)
Title: Improvements in electric circuit breakers
Inventor: COLEMAN EDWARD
IPC: H01H71/10
Filed: 1959-06-16
Abstract: 905,639. Automatic circuit-breakers. CRABTREE & CO. Ltd., J. A. May 25, 1960 [June 16, 1959; Feb. 3, 1960], Nos. 20564/59 and 3772/60. Class 38 (5). A " moulded case " circuit-breaker comprises a pair of substantially flat casing members in recesses between which are housed contacts 29, 30 and an overload-responsive electromagnetically-tripped mechanism adapted to be reset automatically after a tripping operation and including a main spring 35 acting on a contact arm 17 connected to one end of a toggle 27, 28, the other end of which is connected to an operating handle 3, and a trip lever 24 loaded by a spring 31 and having releasable latching engagement with a catch plate 20. The trip lever 24 is released to break the toggle by the impact or impacts of an armature 15 on the plate 20 so that the force necessary to cause tripping is dependent only on the strength of the spring 31 and not that of the main spring 35 which provides adequate contact pressure. The armature 15 extends through a rectangular opening 20a in the bent end of the catch plate 20 and has an aperture which passes freely over the shank of a rivet 14 to provide a floating location for the armature on an L-shaped magnet frame 13. Extending through the frame 13 is a sealed tube 4 containing a ferrous plunger 6 and a spring 7 operating in a liquid. Under small overload conditions tripping is delayed until the plunger 6 has been moved against the bias of the spring 7 towards a polepiece 18, but under short circuit conditions the armature 15 is attracted without delay. A short ferrous sleeve 12 may surround the righthand end of the tube 4 to assist in completing the magnetic circuit. The main spring 35 in addition to providing the force necessary to open the contacts when tripping occurs, also provides contact pressure as the pivot 32 of the contact arm 17 is movable in slots 32x formed in the casing members. The contact chamber may be provided with deion plates 41. Specifications 905,640, 905,641 and 905,642 are referred to.
Patent GB-392017-A (GB)
Title: An improved method of and apparatus for the treatment of sewage
IPC: C02F1/52
Filed: 1932-07-22
Abstract: 392,017. Treating sewage. LAUGHLIN, W. C., Kew Gardens, Long Island, New York, U.S.A. July 22, 1932, No. 20733. [Classes 46 and 111.] Hydrated gelled cellulose is added to sewage to promote the settlement of solid matter. The gelled cellulose may be obtained by beating waste paper, cardboard, wood or rag pulp, cotton linters, jute, sawdust or other vegetable fibres with water. With the apparatus shown the sewage passes successively through a screen 11, a grit chamber 12, a pump 13, a mixing chamber 16, to which the cellulose is passed from a beater 17, and a settling tank 20. In the settling tank the mixture passes downwards from a launder 15 between baffles 21. Clear liquid rises outside the baffles, passes through filters 28, which may be of sand and include a layer of magnetite, and is discharged by launders 30. The effluent may be chlorinated. The sludge is discharged through outlets 25 and a trough 26 to a vacuum filter 27. Lime may be added to the cellulose and ferric chloride or sulphate to the cellulose, the sewage or to the mixture of sewage with the cellulose. Specification 3252/83, [Class 111, Sewage &c.], is referred to.
Patent GB-153408-A (GB)
Title: Apparatus for effecting deposition of sand, mud and other materials
IPC: E02F7/10
Filed: 1919-08-25
Abstract: 153,408. Simons & Co., W., Brown, W., and Brown. W. Aug. 25, 1919. Shoots.-Mud, sand, &c. discharged through an aperture 3 in a pipe line 2 is deposited gently on a water bed by a shoot 1 containing baffles 4 which may each extend the entire width of the shoot or may be arranged in staggered rows as described in Specification 19159/09, [Class 46. Filtering &c.]. The shoot is pivotally suspended from the floats 5 supporting the pipe line. and may be telescopic. The inclination of the shoot or baffles, or both, may be varied.
Patent GB-1192140-A (GB)
Title: New Indane-Diones and their Preparation
IPC: C07D295/116
Filed: 1969-04-23
Abstract: 1,192,140. Indanedione derivatives. LES LABORATOIRES DAUSSE. 23 April, 1969 [23 April, 1968; 17 July, 1968], No. 20861/69. Heading C2C. Novel compounds of formula and their salts with inorganic or organic pharmaceutically acceptable acids, in which R<SP>1</SP> is hydrogen, halogen, or alkoxy of 1 to 3 carbon atoms, and R<SP>2</SP> and R<SP>3</SP> are the same or different alkyls of 1 to 4 carbon atoms each, or are linked to form with the adjacent nitrogen a heterocyclic ring, which may contain a second hetero-atom and which may be substituted by one or more methyl or ethyl radicals, e.g. a pyrrolidino, piperidino, morpholino, piperazino, or 4-methyl- or 4-ethyl-piperazino radical, are prepared by reacting a compound of formula with a compound of formula R<SP>4</SP>OCH 2 NR<SP>2</SP>R<SP>3</SP> wherein R<SP>4</SP> is C 1-4  alkyl. Pharmaceutical compositions having anticoagulent properties and being in conventional form for oral administration comprise an above novel compound or salt and a carrier therefor.
Patent GB-592005-A (GB)
Title: Improvements in or relating to bats for table tennis
IPC: A63B59/40
Filed: 1944-10-26
Abstract: 592,005. Table tennis bats. WRIGHT, W. Oct. 26, 1944, No. 20862. [Class 132 (ii)] A table tennis bat comprises playing surfaces b b of resilient material, the margins of which are extended and moulded about the edge of the blade to form a protective covering. A single playing surface may be used, the margin being extended about the edge of the blade and moulded to overlap the reverse side, and the moulded portion may be enlarged as at d<1>.
Patent GB-188382-A (GB)
Title: Improvements in and relating to locking devices for roll top and flat top writing desks, and similar articles
IPC: A47B17/04
Filed: 1921-08-05
Abstract: 188,382. Lebus, H. A. H., Lebus, S., and Lebus, L. H., (trading as Lebus, H.), and Zala, E. Aug. 5,1921. Drawers, securing simultaneously.-A bar 7 for securing cabinet &c. drawers simultaneously, and operated by a controlling member such as the fall or roll top or centre drawer of a writing desk, has the part 18 for engagement with the spring 19, the parts 10, 11, 12 for locking the drawers and the part 8 for engagement with the controlling member 1 formed integral with the said bar. Guide slots 16, 17 are also provided to enable the bar to move up and down readily upon screws &c. fixed to the cabinet.
Patent GB-889253-A (GB)
Title: Improvements in or relating to cyclone separators
IPC: B04C5/081
Filed: 1958-06-30
Abstract: 889,253. Centrifugal separators. LICENCIA TALALMANYOKAT ERTEKESITO VALLALAT. June 30, 1958 [July 8, 1957], No. 20907/58. Class 23. In a cyclone for separating fine particles from coarse particles and having a resilient lining 3, 4, a member 10 screwed to the conical part 2 of the cyclone body is axially adjustable and engages the extension 22 of the lining so that the effective diameter of the outlet for coarse particles may be varied.