baber/WOPTO huggingface dataset:
Patent GB-512165-A (GB)
Title: Improvements relating to apparatus for conditioning or purifying air by means of high tension electric discharge
IPC: A61L9/16
Filed: 1938-04-12
Abstract: 512,165. Treating air. PROSSER, J. F. C., and PROSSER, H. K. April 12, 1938, No. 11148. [Class 137] [Also in Group XL] Apparatus for purifying air comprises a casing a adapted to be attached to or suspended from the ceiling of a room and having openings e at the lower part through which air can enter and an air exit passage p at the upper part, a plurality of tubular electric discharge units f, g, arranged vertically or at an incline so that air can pass through and over 'them, an electrically driven fan j for promoting the flow of air, and an electric transformer n for supplying energy to the discharge units. The casing is connected to a support b by hinges d and bolts c, and a ring h carried from the support by bars i supports the discharge units by arms l and the motor k and fan j by arms m connected to a ring r surrounding and secured to the motor casing. The electric discharge units consist of a cylinder f of quartz or other insulating material and inner and outer mesh or perforated sheet metal electrodes g. A fabric or other air filter o may be arranged over the fan inlet.
Patent GB-761100-A (GB)
Title: Systems for catching animals by means of electric impulses on land or in water
Inventor: PELLOW HERBERT
IPC: A01M1/22
Filed: 1954-04-20
Abstract: 761,100. Converting; charging and discharging condensers. PEGLOW, H. April 20, 1954, No. 11403/54. Classes 38 (2) and 38 (4). A system for catching fish or animals comprises passing impulses between two electrodes in a conductive medium. A condenser 4 is charged from a D.C. source 3 over a slip-ring 21, reversing commutator 15, 16, ignitron 6, conductive medium between the electrodes 1, 2, reversing commutator 15, 16 and slip-ring 27. At a given instant the positions of the slip rings 21, 27 and reversing commutator 15, 16 aro such that the ignitron 5 is ignited and the condenser discharges through the conductive medium between the electrodes 1, 2 over the ignitron 5, slip-ring 21, reversing commutator 15, 16, power source 3 and slip-ring 27, current continuing to flow over this circuit until the condenser 4 is charged with the opposite polarity. Ignitron 5 is now extinguished, and, ignitron 6 being ignited, the condenser once again discharges, thus the cycle is repeated. A series of voltage doubled alternating impulses is thus passed through the water between electrodes 1, 2; alternatively the circuit may be arranged so that the impulses are unidirectional. The ignitrons are fired by means of auxiliary sliprings 20, 25 and thyratrons 7, 8. A further slip-ring 38 is provided to short-circuit the electrodes 1, 2 to reduce the decay time of the condenser discharge current. The rotary commutators and slip-rings may be replaced by vibratory members. If desired, the ignitrons may be dispensed with.
Patent GB-118607-A (GB)
Title: Improvements in or relating to Apparatus for Lifting Liquids.
Inventor: LICHTENTHAELER FRANK EDWARD
IPC: F04F1/06
Filed: 1918-07-12
Abstract: 118,607. Lichtenthaeler, F. E. Aug. 13, 1917, [Convention date]. Direct air, gas, and steam pressure apparatus, automatic; floats; valves for pressure fluid, actuation of; valves for pressure fluid, arrangement of.-Apparatus for raising corrosive and other liquids comprises a chamber 14 from which the liquid is forced by compressed air &c. admitted by a slide valve 16 through pipes 42, 18 when a float 32 is raised by the liquid and moves a valve 28 to admit compressed air from a pipe 50 to one end of the cylinder 46 in which the valve 16 slides. When the float sinks, the valve 28 is moved to admit compressed air from the pipe 50 to the other end of the cylinder 46 to close the valve 16. While the vessel is filling, the displaced air passes out through ports 34, 36 controlled by the valve 28. The float carries an air chamber 70, which supports the float in the raised position until the liquid falls below the lower edge of the chamber. When the float falls, a valve 74 is opened and allows the air to escape from the chamber 70 through a pipe 30 and ports 72. The volume of liquid delivered may be measured by means of a counting-apparatus 82, actuated by the valve 28. In a modification, the partition 68 in the float is dispensed with.
Patent GB-479651-A (GB)
Title: Improved means for sharpening drills
IPC: B24B3/26
Filed: 1937-04-22
Abstract: 479,651. Sharpening twist &c. drills. BARTON, E. G. C. April 22, 1937, No. 11537. [Class 60] A device for sharpening twist and other drills comprises a base 5 to which is secured adjustably, by slots 27, 28, a vertical template 6 having a slot 7 and a horizontal part 8. Clamped to the base is a hand-operated grindstone 9, to the work-rest 10 of which is secured a curved guide 11 having end stops 13, 14, the stop 13 being farther from the axis of the grindstone than is the stop 14. The drill 22 is held in a clamp comprising upper and lower parts pressed onto the drill by a screw 23, a U-shaped extension 24 being secured in lugs 19, 19A, 20, 20A on the clamp by a screw 25. In operation, the drill is set by a reference line on the clamp and is pressed against the rotating grindstone, the cutting end of the drill resting on and being moved along the guide 11, whilst the extension 24 rests on the template 6 with one limb in the slot 7. In order to prevent scoring of the guide 11, the point end of the drill may be provided with a rider which rests on the guide and may be in the form of a barrel carried by an extended part of one limb of the member 24. In a modification, the curved guide 11 may form part of a link mechanism whereby the drill point is moved along a curved path. In a further modification, Fig. 5, the drill is ground by a grindstone 9 which is rolled along a straight edge 40 whilst resting on an inclined support 39, and the drill point rests in a slot 7 in a template 6 placed adjacent to the stone 9, whilst the extension 24 is moved along a curved guide 11. A rotary stop 41 serves, at the end of each forward roll of the grindstone 9, slightly to rotate the grindstone.
Patent GB-792394-A (GB)
Title: Improvements in or relating to methods and circuits for initiating electric discharges
IPC: H01J17/04
Filed: 1956-04-16
Abstract: 792,394. Converting. SIEMENS SCHUCKERTWERKE AKT.-GES. April 16, 1956 [April 15, 1955; July 22, 1955; July 26, 1955], No. 11561/56. Class 38 (2). [Also in Group XL (c)] In an electric discharge vessel St, the discharges are initiated by application to the control electrode of a train of pulses obtained by differentiating the pulse train output of at least one semi-conductor triode acted upon by control alternating voltage of the same frequency as that applied to the main electrodes of the discharge vessel. The alternating voltage UTr added to a direct voltage Ur (Fig. 2a) is applied to the emitter-collector circuit of transistor T, between the emitter and base of which is connected direct voltage source Ge so that the emitter-collector current rapidly changes from zero to saturation and back again each cycle (Fig. 2b). These rapid changes of current in the primary winding of transformer W, produce voltage pulses (Fig. 2c) in the secondary winding which are applied to grid of valve St, biased by voltage Sp. The instants at which the pulses occur may be varied by altering the value of voltage Ur or the phase of the A.C. supply. In a modification the added alternating and direct voltages are applied between the base and emitter of a transistor, the current through the pulse transformer connected in series with a source of direct voltage between the collector and emitter being controlled by a second transistor which operates between zero current and saturation, Fig. 3 (not shown). The second transistor may alternatively be connected in the input to the first transistor to control the baseemitter current and thereby the collector current of the first transistor, Fig. 5 (not shown). In the modification of Fig. 6 the sum of alternating and direct voltages is applied to the base of transistor Ti through a current 'limiting transistor Te. The rectangular voltage is derived through capacitor Cd from the terminals of a resistor Rd connected in series with a D.C. source Ga, across the collector and emitter of transistor Ti. The collector Ic jumps rapidly between relatively low and high values corresponding to points A and B on the Ic, Uc characteristics shown in Fig. 7. The family of curves show the characteristics for different values of base current Ib, line AB, determined by the value of Rd being followed as Ib changes. Both points A, B lie below the permissible loss hyperbola Nc. The input voltage may be limited by the arrangement of resistor Rb and rectifiers HG. The ignition voltages may be amplified and supplied to the control grids. through a further transformer.
Patent GB-1414711-A (GB)
Title: Pressure vessels
IPC: B65D8/18
Filed: 1973-03-09
Abstract: 1414711 Pressure vessel TROISDORFER BAU-UND KUNSTSTOFF GmbH 9 March 1973 [22 April 1972] 11653/73 Heading B1X A pressure vessel comprises a cylindrical shell 1, having welded to it dished ends 2 which are in the form of half-cylinders disposed with their longitudinal axes at right angles to the longitudinal axis of the shell, and a union 3. Both shell and ends may be double-walled and the vessel may be of steel or plastics material. The ends preferably have both length and diameter equal to the diameter of the shell.
Patent GB-514892-A (GB)
Title: Improvements in or relating to printing and projecting arrangements
IPC: G03B21/134
Filed: 1938-04-19
Abstract: 514,892. Type-printing telegraphy. STEVENS, A. H. (Trans-Lux Corporation). April 19, 1938, No. 11739. [Class 40 (iii] [Also in. Group XVI] A dual printing arrangement comprises a printing- device having printing means movable longitudinally with respect to a platen and a printing - device adapted to print information longitudinally of a narrow tape, the printing-devices being'operated simultaneously, and means being provided for projecting images of the characters appearing on the narrow tape. As shown, the printing-device P is adapted to print transversely of a transparent or opaque web W which is supported in roll form at 3 and extends upwardly over a platen 4 where it is printed by type keys housed at 5. The keys are electrically-operated by impulses transmitted by conductors in a cable 6. The second printing -device PI is adapted to print the same matter as that printed by the device P, but longitudinally of a narrow transparent tape T, and is electrically-operated by impulses transmitted by conductors in a cable 7 connected either to the operating circuit of the device P or in parallel with the excternal operating circuit thereof. The images of the characters on the tape T are projected on to a screen 13 by a projection system including a light source 8, mirror 9, lenses 10, 11, and mirrors 12.
Patent GB-126541-A (GB)
Title: Improvements in Processes for Treating Paper Articles with Paraffin Waxes and the like.
Inventor: LANCASTER MARTIN LEWIS
IPC: B31B1/74
Filed: 1918-07-18
Abstract: 126,541. Lancaster, M. L. July 18, 1918. Proofing.-Bags and like paper articles are put up in bundles b and placed, preferably edge downwards, in a tray a, to which the requisite amount of wax c to impregnate them is admitted. The tray is fixed in an oven, and heated to a temperature of 10-20‹ above the melting-point of the wax for 2-4 hours, when the articles will have become evenly impregnated. The trays of articles are preferably heated for a short time before admitting the wax in order to drive off moisture. Specification 2662/13 is referred to.
Patent GB-943000-A (GB)
Title: Method of and apparatus for the production of a continuous tobacco rod
IPC: A24C5/18
Filed: 1960-04-04
Abstract: 943,000. Feeding tobacco. K. KÍRBER. April 4, 1960 [July 12, 1959], No. 11783/60. Heading A2C. [Also in Division B8] Apparatus for trimming or equalising a tobacco stream comprises an air permeable conveyer 2, Fig. 1 moving over a suction chamber 4, a trimming or equalising device 5a, 5b facing the suction chamber and a cover plate 6 between the suction chamber and the conveyer having a graded flow area to provide a progressively reduced suction towards the trimming device. Cut tobacco 11 supplied to a conveyer belt 9 is pressed into a peripheral duct 2a on the suction feed wheel 2 at the commencement A of the suction chamber. The bottom of the duct 2a is formed by a drumlike screen 2b, apertures through which connect the duct to a radial chamber 2c. The tobacco is subjected to a powerful suction which draws the tobacco into the duct 2a and holds it there during conveyance by the wheel 2. Due to the progressive reduction in the through way section of the plate 6 the suction progressively falls towards the point of trimming. If complete release of the tobacco is required at trimming the chamber 4 may terminate short of the trimming device (as shown) and also apertures 7 may be provided in the plate 6 which provide connection between the duct 2a via openings in the screen 2b, radial chamber 2c and ducts 8 with the atmosphere. The cover plate 6 may be provided with apertures the number and/or size of which progressively falls towards the trimming point. Alternatively a series of transversely disposed slots which are progressively smaller in width and/or more widely spaced towards the trimming point may be provided. In another embodiment Fig. 2 the cover plate consists of a wall portion dividing separate suction chambers 15 from a common main chamber 17, the wall having ports 16 leading to the chambers 15 which become progressively smaller towards the trimming device. At least the cross-section of one of the ports 16 is adjustable by means of a needle valve 19. The tobacco is carried by an endless perforated conveyer belt 14 and is confined laterally by two endless belts 13. Specification 940,155 is referred to.
Patent GB-728998-A (GB)
Title: Improvements in or relating to wind gauges
IPC: G01P5/02
Filed: 1953-04-29
Abstract: 728,998. Wind gauges. SLETTENMABK, K. I. G. April 29, 1953 [April 30, 1952], No. 11854/53. Class 69 (1). A pressure-responsive wind gauge consists of a float 3 in a measuring tube 1 which is substantially vertical when in use, has an upwardly increasing cross-section, and is provided with a lower air inlet 4 and an upper air outlet 5 which are so relatively disposed that an air flow passing outside the gauge causes a difference in pressure between the inlet and the outlet. As shown, the float 3 is a thin light disc with a hub guided on a shaft 2, whilst the tube 1 is conical and made of transparent material which may carry a scale. The gauge may have a hollow transparent handle 6 containing readable matter.
Patent GB-1192134-A (GB)
Title: Improvements to the Production of Cementitious Construction Material
IPC: C04B24/26
Filed: 1968-03-11
Abstract: 1,192,134. Cementitious compositions. SOC. D'ETUDE ET DE RECHERCHE DES NOUVEAUX AGGLOMERANTS. 11 March, 1968 [14 March, 1967], No. 11858/68. Heading C1H. An emulsion of a copolymer of styrene with methyl acrylate or with ethylhexyl acrylate is included in an aqueous mix containing 75 partsof size-graded sand and 25 parts of Portland cement. 1 to 5 wt. per cent based on the dry weight of the mix of the copolymer is added to a mix containing 6 to 8 wt. per cent of water. Lithium sulphate may be included as a setting accelerator in an amount of 0À5 to 2 wt. per cent based on the cement.
Patent GB-314623-A (GB)
Title: Improvements in the method of and means for cooking food and other substances
IPC: A47J27/05
Filed: 1928-04-23
Abstract: 314,623. Barton, C. F. April 23, 1928. Heating and cooking vessels.-Food is cooked in closed receptacles D disposed within a series of nested containers B formed with perforated bottoms so that steam generated in the lowermost vessel A can effect the cooking. The receptacles D are spaced above the bottoms of the containers by means of blind or perforated projections H formed therein, thus allowing free passage for the steam and return of condensed water through the perforations F. The uppermost container is closed by a lid C.
Patent GB-660713-A (GB)
Title: An improved air purifying arrangement for pulsators and especially milking machine pulsators
IPC: A01J5/10
Filed: 1949-05-04
Abstract: 660,713. Cow-milkers. AKTIEBOLAGET SEPARATOR. May 4, 1949 [May 4, 1948], No. 11921/49. Class 84 [Also in Group XXVIII] The air entering a pulsator 1 passes through a narrow slot 3 between the pulsator body and an annular fitting 2 formed with a channel 5 into which the slot opens and in which dirt which has passed the slot is deposited. A packing washer 4 engages a peripheral recess 8 on the pulsator spigot and serves to retain the fitting 2 when the pulsator is detached.
Patent GB-278660-A (GB)
Title: Improvements in electrically-wound clocks
IPC: G04C1/06
Filed: 1927-05-04
Abstract: 278,660. Togami, N. Oct. 8, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts]. Winding-apparatus, electric. - The mainspring 1 of a clock is maintained normally woundup by a shading-coil type electric motor 16, 17, 18 through gearing 19, 20 and pawl 23 to such a degree that the mainspring tension counterbalances the motor torque, thus giving a constant energy for rotating the hands 10, 10<1> through gearing 4 - - 9 and spring friction member 13. The spring is connected to an escapement 14 as usual. A shaft 27 permits of manually winding the spring 1, and a shaft 28 allows of setting the hands.
Patent GB-1481156-A (GB)
Title: Electrolytic chronometers
IPC: G04F13/04
Filed: 1976-03-25
Abstract: 1481156 Electrolytic coulometers W KIRYLUK [trading as W K ELECTRONICS]  25 March 1976 11997/76 Heading G1U An electrolytic coulometer used as a time indicator comprises a mercury-column cell 9 mounted in a housing 2 filled with an oil 3 of viscosity in the region 5,000-20,000 poise, preferably a hexamethyldisiloxane of viscosity 11,000-13,000 poise. The cell is further protected from shock by being mounted on springs 4a, 4b of nickel wire which also provide electrical contact, and has an air bubble 10 to allow for expansion Terminal connections to the cell are as disclosed in Specification 1131736. Specification 1131737 is also referred to.
Patent GB-976706-A (GB)
Title: Improvements in or relating to the sharpening of shaving razors
IPC: C09K3/14
Filed: 1961-04-04
Abstract: A razor setting paste comprises a diamond powder of particle size up to 5m  and a binding agent.  A preferred composition suitable for application to blades when coated homogeneously on a supple support comprises 2 g. diamond powder (0.5-3m ), 48 g. paraffin oil, 10 g. paraffin wax and 40 g. white petroleum jelly.
Patent GB-1456121-A (GB)
Title: Rotary-cylinder circular knitting machine
IPC: D04B15/78
Filed: 1974-03-19
Abstract: 1456121 Knitting machines P MAYER [trading as MAYER & CIE MASCHINENFABRIK] 19 March 1974 [4 April 1973] 12080/74 Heading D1C In a circular knitting machine the needles or needle jacks are selectively tilted out of the path of raising cams by selecting members which are actuated or locked, to be rendered operative or inoperative in accordance with the desired pattern, by means of piezoelectric elements which bend in a direction at right angles to the direction of reaction forces between the selecting members and the needles or jacks. In a first embodiment (Figs. 1 to 4, not shown) the selecting members are formed as cams for engaging pattern butts of the needle jacks, each such cam being mounted on the free end or ends of one or two piezoelectric elements which bend in a vertical plane between a normal butt-engaging position and an energised butt-missing position. In the embodiment of Fig. 7 the selecting members are slides 23 which are all initially retracted against the force of springs 35 by butts formed on trick-defining strips 33 of the needle cylinder and selected slides are held in the retracted position by the deflection of piezoelectric elements 36 to engage in detent recesses 232 in the slides. In the Fig. 13 embodiment slides 42 are all advanced against the force of springs 44 by control cams 47 to pivot jacks 41 and selected slides are held in the advanced position by the engagement behind butts 423 by locking bars mounted on selectively energised piezoelectric elements 50. In the Fig. 16 embodiment the selecting members are formed as rocking levers 54 pivoted at 55 and engaging transversely extending piezoelectric bending elements 58. In a modification of this embodiment (Figs. 21 to 23, not shown) the levers extend to the rear of the pivots 55 and are furnished with restoring springs while the piezoelectric elements are mounted on one side of hydraulic pressure boxes whose other side bears on the levers 54 with increased pressure The piezoelectric elements are selectively energised by means of an electronic control device.
Patent GB-768538-A (GB)
Title: Improvements in domestic irons
IPC: D06F75/22
Filed: 1955-04-27
Abstract: 768,538. Hand irons. McLAUGHLIN, J. C. April 27, 1955, No. 12194/55. Class 138 (2). A domestic iron comprises a housing 2 fixed to a sole-plate 1, the housing enclosing heating means 5 for the sole-plate and acting as a water reservoir, and manually operable means disposed adjacent to a handle 3 for the iron for supplying air pressure to a spraying device connected to the reservoir and adapted to spray water on to the work being ironed. Air circulating openings (as 33a) in the housing expose the exterior of the reservoir to the cooling effects of air circulation. In one example a rubber bulb 10 is connected to the restricted bore 13 of a nozzle 14 which is connected to the interior of the housing 2 by a tube 15. The bulb 10 is compressed by means of a handle 11 pivoted at 12 and connected to upper and lower plates 22, 23. The plate 22 has a pair of lugs 24 with a pin 25 and slots 26 connected to the side limbs of a forked part 11a of the lever 11. A similar connection is made between lugs 27 on the plate 23 connected to levers 28 pivoted at 29 to lugs 30 fixed to the housing 2, links 31 connecting the levers 28 to the forked parts 11a of the lever 11. A pair of torsion springs 32 urge the plates 22, 23 apart. The bulb 10 is provided with a non-return air valve 21. The tube 15 is surrounded by a second tube 16 and the housing 2 is provided with an air inlet 18. The compartment 4 is provided with ventilating tubes 7 passing through the housing 2. In a modification the bulb 10 is replaced by an elongated rubber bag 34 partly nested within a channel formed along the lower side of the handle 3. This bag 34 is adapted to be compressed by finger pressure. The bag 34 has an extension 35 of smaller diameter connected to the nozzle 14.