baber/WOPTO huggingface dataset:
Patent GB-609956-A (GB)
Title: Improvements in or relating to mountings for internal combustion turbines
IPC: F02C7/20
Filed: 1946-03-26
Abstract: 609,956. Gas turbines; jet propulsion plant. LOMBARD, A. A. March 26, 1946, No. 9343. [Class 110 (iii)] [Also in Group XXV] A gas turbine or jet propulsion engine is attached to its supporting structure by two mountings arranged at different places along its length, one mounting comprising a linkage system connected to the supporting structure at at least two points and allowing the engine to turn about its axis and the other mounting providing no such freedom. The compressor casing 5, Fig. 4, of a gas turbine jet propulsion unit is attached to the ribs 11 of an aircraft wing by two trunnions 13 disposed at opposite sides of the compressor on a common horizontal axis transverse to the longitudinal axis of the engine. The trunnions locate the engine in the horizontal plane, but allow it to rock in the vertical plane. The turbine casing 6, Fig. 2, is attached to the ribs 11 by a pair of struts 20 which are articulated together at 23 and a pair of links 19 which are articulated to the struts 20 at 17 and to two brackets 22 attached to the casing 6. The point 23 is pivotally attached to the casing by a shackle 24 and the pivot points 17 to the ribs 11 by shackles 15. This arrangement allows the turbine casing to turn on its axis relative to the supporting structure so that no torsional loads due to deformation of the structure are imparted to the turbine plant. The shackles 15 are mounted on brackets 16 by pins 26 and the widths of the brackets are less than the free lengths of the pins so that the shackles can slide relative to the brackets to accommodate axial expansion of the engine.
Patent GB-719248-A (GB)
Title: Self-priming centrifugal pumps
IPC: F04D9/02
Filed: 1952-04-15
Abstract: 719,248. Centrifugal pumps. PULSOMETER ENGINEERING CO., Ltd., and PRICE, A. V. April 7, 1953 [April 15, 1952], No. 9369/52. Class 110(1) A self-priming centrifugal pump comprises an auxiliary impeller with an inlet which is separate from that of the main impeller and is arranged to be submerged in liquid, and communicating passages leading from the main impeller to the auxiliary impeller, the flow of liquid through the auxiliary impeller exerting an ejector effect to draw off air or other gases from the main impeller. The auxiliary impeller comprises vanes 26 formed on the rear wall 23 of the main impeller 22. Initially, the whole of the pump is filled with water. On rotation, the auxiliary impeller draws water from a reservoir 12 through a passage 16 and delivers it to a discharge volute 13. In passing the communicating passages 27, the liquid flowing through the auxiliary impeller exerts an ejector effect and draws water from the main impeller, together with any entrained air or gas, thereby priming the pump. The air or gas separates from the water in the volute 13 and passes to the delivery pipe, while the water passes from the top of the volute to the reservoir 12. When the pump is stopped, water will remain in the reservoir 12 at least up to the lowest discharge level of the volute 13, so that on subsequent operation of the pump the auxiliary impeller will automatically exert its priming function. The auxiliary impeller may be shrouded and may be arranged on the front wall instead of the back wall of the main impeller. Or, there may be auxiliary impellers on both walls.
Patent GB-431803-A (GB)
Title: Improvements in or relating to roof and wall sheeting
IPC: E04D3/32
Filed: 1934-03-26
Abstract: 431,803. Roof and wall sheeting. UNIVERSAL ASBESTOS MANUFACTURING CO., Ltd., Tolpits, Watford, Hertfordshire, and HURDEN, E., The Gables, Harefield, Middlesex. March 26, 1934, Nos. 9408 and 19383. [Class 87 (i)] A wall or roofing sheet or tile formed of asbestos cement or similar material and corrugated preferably in the form of arcuate crests alternating with flat portions of relatively considerable width, the crests merging by reverted curves into the flat portions, is bent at both ends transversely of the corrugations in rising and falling curves at any angle between 15 and 90‹ to the general plane of the sheet or tile. The sheets with one end turned up and the other down are suitable for covering roofs having very little slope, Fig. 1, while the sheets with both ends turned down are used on buildings which may be spanned by a single sheet, or at the ridge or highest part of a sloping roof, Fig. 2. When the sheets are laid, their ends, if of similar curvature, are advanced one over the other so that an air space is left at each joint, as shown at K in Fig. 4, to prevent creeping of moisture and facilitate accommodation to change of temperature, bolts H or other fastening means being passed through the crowns of the corrugations. The sheets may be strengthened by means of a flexible non- corrodible reinforcement, and where four sheets or tiles meet, the width of the corrugations may be tapered. Specification 400,267 is referred to in the Provisional Specification.
Patent GB-806943-A (GB)
Title: Improvements in or relating to cold-cathode counter tube circuit arrangements
Inventor: CROWTHER GERALD OFFLEY
IPC: H03K29/00
Filed: 1955-03-31
Abstract: 806,943. Electronic counting - apparatus. MULLARD RADIO VALVE CO. Ltd. March 16, 1956 [March 31, 1955], No. 9428/55. Class 106 (1). [Also in Group XL (a)] A multi-cathode gas discharge tube has only two guide electrodes between each pair of adjacent cathodes and is connected in a circuit so arranged that in the rest condition a discharge passes to a cathode and to the adjacent first guide electrode and that a single pulse applied to the second guide electrode causes the discharge to move to its next rest position. A few of the electrodes only are shown in Fig. 1. The first guides are internally connected together and a potential of + 40 v. is applied thereto. The second guides are similarly connected and the +40 v. source is applied to them over a resistor 3. The even-numbered cathodes are connected together and over resistor 11 shunted by capacitor 12 to earth, and the odd-numbered cathodes excluding the ninth, which has an independent circuit, are similarly connected. Suppose the tube is in a rest position with the discharge passing to the eighth cathode 8k and the adjacent first guide 8g1: then a negative pulse applied at 5 to the second guides causes part of the discharge to move to the second guide 8g2, this gap being primed to a greater extent than that of the preceding second guide due to the fact that, as explained below, a far greater current flows in the rest position to the first guide than to the cathode. The discharge to the second guide 8g2 triggers the gap to the adjacent cathode 9k and the whole discharge passes to this gap since initially the cathode 9k is at earth potential. When this occurs, the potential of the cathode 9k rises due to a resistor 13 until it becomes steady at +40 v., the potential of the adjacent first guide 9g1, to which, as it is directly connected to +40 v., the bulk of the discharge then passes. The tube is now in its ninth rest condition. Transfer of the discharge between other adjacent pairs of cathodes takes place in a similar manner. However, when the discharge is moved on from the ninth cathode 9k, a rectifier 16 connected over a resistor 18 to a +40 v. source, is initially conductive due to its connection to the ninth cathode which at this stage, is initially also at +40 v. Consequently, the negative pulse produced at the anode 1 as the discharge reaches the next (zero) cathode, is passed by the rectifier to a terminal 20 which may be directly connected to the input terminal of an adjacent higher order multi-cathode tube. When the discharge passes to other cathodes, the rectifier 16 is biased off since the cathode 9k is (at least initially) at earth potential. To increase the speed of operation, the zero cathode may have an independent circuit with a time constant much greater than that of the other cathode circuits. The cathodes may have bent-over ends pointing towards the adjacent second guides. Specification 806,944 is referred to.
Patent GB-453637-A (GB)
Title: Improvements in or relating to auxiliary-ribbon means for producing copies on typewriters
IPC: B41J35/35
Filed: 1936-03-30
Abstract: 453,637. Ink ribbon mechanism. ZIEGLER, H., 15, Dufourstrasse, Zollikon, Zurich, Switzerland. March 30, 1936, No. 9450. Convention date, March 28, 1935. [Class 100 (iv)] An auxiliary-ribbon duplicating-device for typewriters comprises a rod supported on the platen-carriage, and upon which is mounted at least one carrier in the lateral members of which is rotatably supported a shaft comprising two rods guided in a tube and pressed apart to an extent limited by stops in the tube, by a spring, and two arms curved to fit the platen are mounted at the outer ends of this twopart shaft so that an auxiliary ribbon provided with end-pieces can be mounted between the ends of the arms. The shaft 1, Fig. 1, is permanently mounted in brackets 2 on the carriage. A frame consisting of arms 3 and a brace 4 is clipped to the shaft 1, and carries, slidably and rotatably, two rods 5, 6, sliding in a sleeve 7, pressed apart by a spring 10 and restrained by keys and slots 8, 9. The rods 5, 6 carry arms 11 curved to fit the platen and provided with teeth 12 to engage endpieces 14 of a ribbon 13. Set-screws 17 on the rods 5, 6 engage cam-faces 16 on the arms 3 so that, when the arms 11 are turned backwards, they are also cammed inwards, thus facilitating easy removal or replacement of the ribbon. The arms 11 may have several pairs of teeth 12 for different positions of the. ribbon. A second ribbon-carrying frame 19, Fig. 4, may be clipped to the shaft 1. The clip arms 3 may be provided with one straight and one curved jaw adapted to engage a flap on shaft 1 in such a way that, in active position, the arms 3 are pressed into contact with the platen. The ribbon may be covered on one side by a strip of impermeable material such as that sold under Registered Trade Mark " Cellophane."
Patent GB-181164-A (GB)
Title: Improvements in turning indicators for aircraft or the like
IPC: G01C19/42
Filed: 1921-03-30
Abstract: 181,164. Stewart, C. J., Stainer, W. W., and Burn, L. March 30, 1921. Gyroscopic apparatus.-In an instrument for indicating the rate of turn or aircraft, and comprising a gyroscope capable of precessing against the action of resilient restraining-means, the restraining-means are so arranged that in the neutral position of the gyroscope a zero or minimum restraining action is exerted along a line which intersects the precession axis. The hollow rotor 16, the axis of which lies longitudinally of the aircraft is mounted in bearings 17 in a frame 18 capable of precessing around transverse pivots 19 within a casing 20. The reetraining-means comprise a blade spring 21 secured at one end to a bridge 23 carried by the casing and connected at the other end by a link 25 to the frame 18, the connections being such as to allow the link to turn about a transverse horizontal axis in relation to both the spring and the frame. In the neutral position of the gyroscope, the axis of the link 25 intersects the axis 19. The sensitiveness of the restraint can be adjusted by turning a screw 29 engaging in a saddle 28, which is slidably mounted on the bridge 23 and carries a knife-edge which bears on the rear face of the spring. The frame 18 carries a pin 39 entering a slot 40 in a wheel 41 which is mounted on the bridge 23 and has teeth 43 gearing with a pinion 41, to the spindle 45 of which a pointer 38 is secured. The wheel 43 may be formed with a cam-surface 47, Fig. 8, on which bears a roller 48 carried by an arm 15 pivoted on the member 23, the roller being pressed against the wheel by a spring 49. The constraint provided by this device supplements that due to the blade spring. The gyroscope may be balanced whilst running by an adjustable weight comprising a split threaded spring stud 52 screwed into a tubular boss 51 on the frame 18. A modified form of the restraining- means comprises a single spring member one end of which is secured to the bridge, the other end 37, Fig. 5, being bent round at right-angles and pivoted to the frame 18.
Patent GB-1502638-A (GB)
Title: Second harmonic flux gate arrangements
IPC: G11B20/08
Filed: 1975-03-07
Abstract: 1502638 Flux gate magnetometer MARCONI CO LTD 16 Feb 1976 [7 March 1975] 9524/75 Heading GIN [Also in Division H3] A second harmonic flux gate, Fig. 1, has its excitation winding 3 energized by squarewave pulses applied to the winding through a voltage amplifier and a threshold current limiter, Fig. 3 (not shown).
Patent GB-400669-A (GB)
Title: Improvements in and relating to the terminals of accumulators, batteries and the like
IPC: H01R11/28
Filed: 1932-04-02
Abstract: 400,669. Binding-posts. WELCH, A. P., 19, Lincoln Gardens, The Drive, Ilford. April 2, 1932, No. 9528. Drawings to Specification. [Class 38 (i).] Electric batteries are provided with terminals of the known type in which a member, which may be a separate washer or may be integral with the base of the terminal and is provided with upstanding flanges formed with slots or apertures, positions the wire while the nut is being tightened. The flanged member may be in the form of a lock-nut. The base and the holding-down nut may be of insulating or of conducting material.
Patent GB-494558-A (GB)
Title: Improvements relating to filters
IPC: B01D29/00
Filed: 1938-03-29
Abstract: 494,558. Filters. AEROX FILTERS, Ltd., and LORAINS, J. P. March 29, 1938, No. 9540. [Class 46] In a filter of the type comprising a chamber 1 containing spaced pairs of porous ceramic discs 7 threaded on a perforated tube 5, the liquid to be filtered entering the chamber through inlet 2 and being discharged through the outlet 4, the edges of the discs are sealed by bands 10 of material adapted to resist chemical attack by the liquid.
Patent GB-741659-A (GB)
Title: Improved adhesive bandages
Inventor: SCHUELER GEORGE BERTHOLD EDWAR
IPC: A61F13/02
Filed: 1952-04-16
Abstract: A two-ply adhesive bandage comprises an open-mesh fabric, termed the carrier, impregnated or coated with a water-resistant adhesive in such manner that the treated fabric remains porous, to which is adhered a porous material, termed the backing, such that the bandage has one surface of an adhesive nature and one which is dry and, if desired, washable in situ.  The carrier may be cotton open-mesh woven fabric whilst the backing may be a woven fabric of natural or synthetic fibres or a perforated sheet or film.  Both carrier and backing may be elastic in one or both directions or non-elastic.  A rubber adhesive may be employed.
Patent GB-891816-A (GB)
Title: Improvements in or relating to thermally actuated electric switches
IPC: H01H29/28
Filed: 1960-03-18
Abstract: 891,816. Mercury switches. TELEFUNKEN G.m.b.H. March 18, 1960 [March 20, 1959; April 15, 1959], No. 9667/60. Class 38 (5). In order to ensure quick resetting of a thermally actuated switch having a mercury moving contact bridge in a capillary tube movable in response to pressure differences between chambers at the ends of the tube both chambers are heated but the heating of one chamber is delayed. In Fig. 1 radiation, such as that of the sun, is concentrated by a lens 5 to heat a member 6 which warms the gas in the right-hand chamber to increase its pressure so as to move the mercury 2 to the left connecting contacts 3, 4. If the radiation continues, heat is transferred to the glass walls of the righthand chamber and to a heat-conducting bridge 8 to warm the walls of the left-hand chamber, increasing the pressure therein to ensure quick return movement of -the mercury when the radiation ceases. The switch may have an electrical heating element 9 and a heat-conducting bridge (Fig. 2, not shown) or as shown in Fig. 6 the left-hand chamber may be surrounded by a heater 18 in parallel with the main heater 9. The heater 18 may be wound on to, spaced from or embedded in the wall of the chamber (Figs. 7 to 9, not shown). The heater 18 can be arranged so that, after a predetermined period of energization, the pressure in the lefthand chamber resets the switch.
Patent GB-208467-A (GB)
Title: Improvements in the construction of dry gas meters
IPC: G01F3/22
Filed: 1923-04-09
Abstract: 208,467. Marks, E. C. R., (Griffiths, H.). April 9, 1923. Gas meters.-A dry gas-meter is constructed with a circular casing 4, provided with the usual partition 5 and measuring chamber 9, 10, upon which is removably mounted a valve plate 12, gas tight communications being effected therewith by means of flanged pipes 11, projecting from the chambers 9, 10 through the chamber 4, adapted to form gas-tight seatings for the valve plate when the parts are drawn together by means of the studs 18. The measuring chambers 10 are each formed by a circular ring 23 secured to the partition 5, the ring being provided with a flange 24 between which and a stout ring 26 the diaphragm 22 is clamped by means of bolts 25. The diaphragms are strengthened by the usual discs 27 secured by means of a central bolt 28 which also serves to secure the flag to the diaphragm.
Patent GB-158169-A (GB)
Title: Improvements in universal-bar mechanism for typewriting machines
IPC: B41J19/54
Filed: 1920-04-06
Abstract: 158,169. James, R. W., (Remington Typewriter Co.). April 6, 1920. Letter-spacing mechanism.-In a universal-bar mechanism comprising an intermediate oscillator, for example, a rock-shaft 16, Fig. 2, pivoted on coned screws 23 and having arms 15 pivoted to arms 13 on a universal bar 7 seated in the typelever segment, and another arm 17 connected by a link 20 to the dog rocker, the pivot screws 23 of the rock-shaft are now mounted in hangers 25, Figs. 2 and 3, having independent sliding adjustment transversely to the rock-shaft on lugs 27 depending from the top plate 1 of the machine. Each hanger 25 is attached to its lug 27 by screws 26 passing through holes 28 in the hanger made larger than the shanks of the screws to admit of adjustment of the hanger both vertically and horizontally. A washer 30 is provided between the hanger and the heads of the screws. The hanger may be formed with two holes 31 and the lug subsequently drilled with registering holes 32 to receive dowel pins 33 for making the adjustment permanent.
Patent GB-1372065-A (GB)
Title: Dry shavers
IPC: B26B19/38
Filed: 1972-03-22
Abstract: 1372065 Dry shavers GILLETTE INDUSTRIES Ltd 22 March 1972 [19 April 1971] 9844/71 Heading B4B [Also in Division C7] An apertured metal foil of electroformed nickel is used as the reciprocable cutter of a dry shaver and is heated to a temperature of 100- 150‹ C. for at least 1 hour while held in the arched form in which it is to be used. Preferably it is held during heat treatment by attachment to the driving member of the cutter.
Patent GB-397953-A (GB)
Title: Improvements in or relating to protective arrangements for electric power transformers
IPC: H01F27/40
Filed: 1932-04-06
Abstract: 397,953. Protective cut-out systems. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and GARRARD, C. C., c/o General Electric Co., Witton, Birmingham. April 6, 1932, No. 9907. [Class 38 (v).] Oil switch-fuses; latching and unlatching; handles.-A static transformer has a switchfuse 3 in the h.t. side 1 and a circuit-breaker 5 in the l.t. side 4, both being operable by a single removable handle 9 in such a way that the switch-fuse 3 can only interrupt the noload current. The switch-fuse is operable by means of a square-ended spindle 7 to which the handle 9 can be applied to turn it off, an extension 10 of the handle engaging between a lug 11 on the enclosure 8 and the enclosure to prevent removal of the handle with the switchfuse in the off position. The circuit-breaker 5 has a similar spindle 12 and lug 14 which prevents the handle 9 from being removed when the breaker is " on." Thus the switchfuse can only be opened and closed when the breaker is open.. The switch-fuse is preferably oil-immersed and the circuit-breaker faultresponsive. The Provisional Specification states also that the fuses protect the transformer against internal shorts.
Patent GB-374985-A (GB)
Title: Improvements in or relating to electric water heaters
IPC: F24H9/12
Filed: 1931-04-01
Abstract: 374, 985. Heating water by electricity. PETRIE, D. G., 40, Guessens Court, and YOUNG, OSMOND & YOUNG, Ltd., Unity Works, both in Welwyn Garden City, Hertfordshire. April 1, 1931, No. 9917. [Class 39 (iii).] The heating element 9 and the outlet pipe 4 are independently mounted on a plate 8 secured to the tank by a union nut 16 engaging a screwed ferrule 15. Lugs 18 on the plate co-operate with pins 19 on the ferrule to retain the plate in position while the nut is being removed from or screwed on to the ferrule. The inner end of the ferrule is swaged over. The outlet pipe is surrounded by an air tube 5 to which it is coupled at its upper end by a syphon element as described in Specification 367,181.
Patent GB-1475681-A (GB)
Title: Mixing spray nozzle
IPC: B01F25/46
Filed: 1974-05-20
Abstract: 1475681 Mixing spray nozzles FISONS Ltd 20 May 1974 [1 March 1973] 9918/73 Headings B1C and B2F  A mixing spray nozzle for diluting one liquid with another comprises a vortex spray nozzle 1 for connection to a source of a diluent liquid, and a conduit 9 having its inlet adapted to be connected to a container 10 for liquid to be diluted, and its outlet terminating in the vortex chamber 8 of the spray nozzle, the container being capable of feeding liquid to the inlet at a substantially constant pressure. Nozzle 1 consists of an outer plate 2 having a central orifice 3 and an inner plate 4 having at least two channels 5, 6 inclined to the axis of nozzle 1, and a central orifice 7 connected to the outlet of conduit 9. The total crosssectional area of channels 5, 6 and orifice 7 is less than that of orifice 3. Container 10 is provided with a constant head device in the form of a tube 11 opening into the atmosphere, and having its inner end 12 adjacent to the bottom of container 10. The nozzle 1 is mounted on a hose 13 through which the diluent liquid is fed under pressure. A non-return valve may be mounted on the hose to prevent the liquid which is being diluted from passing into the source of diluent liquid. The device may be used for diluting a pesticide, or the like, or for producing a cleaning spray of diluted detergent.