baber/WOPTO huggingface dataset:
Patent GB-158016-A (GB)
Title: Improvements in spray or jet carburettors
IPC: F02M19/03
Filed: 1919-08-27
Abstract: 158,016. Anderson, W. H. Aug. 27, 1919. Spray carburettors, in which the main air inlet and fuel or initial fuel mixture outlet are manually and simultaneously controlled, are provided with a cup or chamber the top edge of which is situated at such a height above the normal fuel level that no fuel can overflow under any working conditions. A tube 17 fixed in relation to the choke tube 11 and casing 1 has a nozzle 19 screwed therein and is increased in inner diameter and extended considerably above the top of nozzle 19 to form the chamber or cup. Fitting over the top of the nozzle is an inner tube 21 that carries a nozzle 22 extending into the induction passage 12. A reciprocable tube 9 is screwed at its upper end to engage a valve-member 10 which controls the main air supply and which is manually actuated through links 38, 40 and shaft 41. The valve slides over a tube 32 to which initial air is admitted by a pipe 33. The tube 9 in its axial movement controls the flow of fuel from the float chamber to nozzle 19. Air entering by pipe 33 passes upwardly to ports 35 in tube 9, then downwardly to ports 23, over the nozzle 19 and up tube 21, and taking up in its passage any fuel that may have accumulated in the cup. The air-pipe 33 may be fitted with a valve and filter. In a modified construction, the main air valve slides directly over the fuel nozzle the exterior of which is cut away to form a variable outlet for the initial fuel mixture, a supply of which for slow running issues through an axial duct in the nozzle. The main air valve is actuated from a. butterfly throttle valve, which may, however, be dispensed with. Reference has been directed by the Comptroller to Specification 7626/13.
Patent GB-1281403-A (GB)
Title: Improvements in or relating to tritium (hto) monitor
Inventor: PERRY KENNETH EDWARD GORDON
IPC: G01T7/02
Filed: 1969-04-24
Abstract: 1281403 Determination of tritiated water in air UNITED KINGDOM ATOMIC ENERGY AUTHORITY 20 April 1970 [24 April 1969] 21127/69 Heading G1A The presence and quantity of tritiated water in air is determined by drawing air from the atmosphere by pump 2 through filter 2 and via pipe 4 into bubbler 3. Tritiated water vapour is removed from the air which exits via pipe 5. The water is continuously circulated by pump 7 in a closed loop including solids filter 8 and a spiral passage through an anthracene scintillator 9. A photo-multiplier, which is lead shielded and thermoelectrically cooled, is optically coupled to the scintillator and pulses therefrom are fed via an adaptor to a logarithmic ratemeter which gives a continuous indication and a record. The detector may be associated with a ring of guard counters and coincidence techniques used to obtain a measurement free of errors due to background.
Patent GB-352736-A (GB)
Title: Improvements in travelling chain grates for furnaces
IPC: F23H11/00
Filed: 1930-07-12
Abstract: 352,736. Furnace grates. IMPERIAL CHEMICAL INDUSTRIES, Ltd., Millbank, London, and THORNTON, B. M., Winning- ton Hall, Northwich, Cheshire. July 12, 1930, No. 21151. [Class 51 (i).] A replacement link 11 for travelling chain grates having one or more open-ended slots 12 engaging with transverse pivotal supports 10 is secured in place by pins 20 engaging with holes 15, 18 arranged on opposite sides of the slots. Instead of both slots being vertical (when the link is horizontal) one of them may be inclined to the vertical and therefore without the need for a locking-pin.
Patent GB-1082358-A (GB)
Title: Double injecting semiconductor
Inventor: SHEPARD STANLEY CARDEN
IPC: H01L23/482
Filed: 1965-05-20
Abstract: 1,082,358. Semi-conductor device. STANDARD TELEPHONES & CABLES Ltd. May 20, 1965, No. 21345/65. Heading H1K. A double injection semi-conductor device includes a body of GaAs of resistivity 10<SP>8</SP> ohm/cm. and first and second metal contacts having respectively different work functions both metal contacts being on the same face of the semi-conductor body. Single diodes or a plurality of diodes may be formed on the body, the metal contacts and electrodes therefor being formed by masking techniques. The body may be a film supported on an insulating substrate with a heat sink bonded to the substrate. In an insulated gate field effect transistor Au electrodes 21 and 22 are applied to a GaAs substrate 20 using evaporating and masking techniques. Metal contacts 24 and 25 of Au and Al respectively are formed by evaporation and masking and then a layer 26 of SiO 2  and finally a grid electrode 27 of Au, the grid electrode being connected to a gold terminal. A switching diode sensitive to light in the range 5000-8500 Š is disclosed (Figs. 1 and 2, not shown). Current-voltage characteristics of the diode device are given (Figs. 3 and 4, not shown) which indicate regions of negative resistance. Indium wires may be attached to the gold electrodes by thermo-compression bonding or micro-welding. A plurality of diodes may be made in a single block of GaAs (Fig. 6, not shown).
Patent GB-1409393-A (GB)
Title: Web winding apparatus
IPC: B65H19/22
Filed: 1973-05-04
Abstract: 1409393 Winding webs &c H REISER [trading as DR REISER KG MASCHINENFABRIK] 4 May 1973 [19 June 1972] 21453/73 Heading B8R A web winding apparatus comprises a bracket 9 which supports a pair of spaced winding swords 7, 10 movable on pivoting the bracket successively to a winding station, the bracket being provided with guides 5, 13, which are associated with respective swords to guide the web to be bound to the sword. In operation a pair of feed rollers 2 feed the web past a metering roller 1 and past cutters 3, 4 and the guide 5 to the sword 7. The metering roller 1 initiates pivoted movement of the bracket 9 to a position III at which the winding continues until a predetermined amount is wound on the sword 7. The metering roller then trips the cutters 3, 4, whereby the trailing edge of the web is wound on to the sword 7 and the leading edge is guided by the guide 13. Subsequently the bracket is pivoted upwardly to locate sword 7 at position I for ejection by an ejector 12 of the roll bound on the sword 7 and to locate the sword 10 at position II for continuation of winding at that station.
Patent GB-574954-A (GB)
Title: Improvements in swivelling bladed adjustable pitch propellers
IPC: B63H3/08
Filed: 1943-12-23
Abstract: 574,954. Variable-pitch propellers. ENGLISH ELECTRIC CO., Ltd., ' and SEEWER, P. W. Dec. 23, 1943, No. 21523. Addition to 574,098. [Class 114] In a variable-pitch propeller, a tubular hydraulic connection is made to the hub in accordance with the parent Specification and a meshing gear-wheel motor is driven through this connection, bevel pinions on the blades gearing with bevel pinions which themselves gear with a wheel coaxial with the propeller. The blades carry bevels 20 actuated by a bevel pinion 21 on a shaft carrying a gearwheel 24 coacting with a pinion or ring of pinions 25 to form the servomotor having supply and discharge ducts 10c, 10d which connect with passages formed by longitudinal partitions and an inner tube in a tube 6 led into the nose of the propeller. The inner tube encloses a cable passing round an eccentric or coiled iound a drum on a blade spindle at one end and connected at the other end to an indicator or follow-up valve device. Specification 572,940 is referred to.
Patent GB-875987-A (GB)
Title: Improvements in or relating to apparatus for the wet treatment of textile material
IPC: D06B5/16
Filed: 1960-06-20
Abstract: <PICT:0875987/IV(c)/1> An apparatus for the wet treatment of textile materials with a treating liquor at above 100 DEG C. consists of a treatment vessel provided with means for circulating the liquor, having a supplementary pump for generating pressure in the vessel and for supplying further treating liquor, and having connected to the suction side of the pump a supplementary tank, a valve-controlled by-pass pipe connecting the delivery side of this pump with the supplementary tank and incorporating a pressure control valve, and a connecting pipe joining the by-pass pipe with the treatment vessel, the arrangement being such that, when liquor is not being introduced into the vessel, the supplementary pump circulates the liquor from the tank and through the by-pass pipe, the opening pressure of the pressure control valve determining the pressure in the by-pass pipe and, through the connecting pipe, the pressure in the vessel. Referring to the Figure, supplementary pump 9 fills treating vessel 1, containing cheeses to be dyed, with dye liquor; when vessel 1 is full, vent 20 is closed and liquor circulates through 3-way valve 13, by-pass 14, pressure control valve 15, pipe 16, supplementary tank 11 and pipe 10.  Heating device 21 and circulating pump 3 are started and expansion liquor flows from vessel 1 via pipe 17, control valve 15 and pipe 16 into tank 11, where cooling jacket 18 keeps the temperature below boiling point. When the temperature of vessel 1 reaches its required point, no further liquor passes therefrom to tank 11 and so cooling of this tank is stopped.
Patent GB-738739-A (GB)
Title: Improvements relating to electronic binary registers
Inventor: HUNTLEY KEITH GORDON
IPC: G11C19/20
Filed: 1951-09-15
Abstract: 738,739. Electric digital-data-storage apparatus. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Sept. 1, 1952 [Sept. 15, 1951], No. 21695/51. Class 106 (1). [Also in Group XL (c)] In an electronic binary register, e.g. for series-mode digital computers, including at least two bi-stable triggers each comprising two cross-coupled thermionic valves, and coupling means for shifting the state of a first trigger to a second, if different therefrom, under control of shift pulses, two valve electrodes, one in each trigger, which are both either high potential electrodes (e.g. anodes) or low potential electrodes (e.g. control electrodes and cathodes), are directly coupled by means including a unilaterally conductive device which can be rendered conducting selectively in response to shift pulses to produce a change of state of the second trigger if the triggers are initially in unlike states. In the shifting register illustrated, comprising triggers 1 and 2, including valves 3, 4 and 3a, 4a, the anodes of 3, 3a and 4, 4a are coupled through a resistor and a diode 23, 25 and 23a, 25a respectively. A bias potential applied from line 29 is such that, if the triggers are in unlike states, one of the diodes 25, 25a conducts upon the application of a negative shift pulse 17 through condenser 24 or 24a, thus switching over trigger 2. In a modification the bias for the diodes is obtained by connecting resistors 23, 23a to intermediate tappings on anode load resistors for valves 3, 4. In other forms of register, the positions of condensers 24, 24a and diodes 25, 25a are interchanged, positive shift pulses are applied to the cathodes, or coupling is between cathodes and control grids. Reference is made also to connections for providing " sideways " shift between two parallel-mode registers.
Patent GB-578498-A (GB)
Title: An improved means of hoisting and transferring tubular or other bodies
IPC: B66C1/14
Filed: 1944-11-08
Abstract: 578,498. Lifting-slings. BARTON, C. W., and BARTON, P. Nov. 8, 1944, No. 21909. [Class 78 (iv)] A sling for hoisting tubular or other bodies comprises hooks e, b<3>, the latter of which is connected to the former by a rope c and is attached to a hoisting rope a. In a modification (not shown) the hoisting rope is passed round two pulleys on the hook b<3> and connected to the hook e.
Patent GB-645189-A (GB)
Title: Tunable magnetron
IPC: H01J25/54
Filed: 1947-08-08
Abstract: 645,189. Magnetrons. STANDARD TELEPHONES & CABLES, Ltd. Aug. 8, 1947, No. 21920. Convention date, Aug. 31, 1946. [Class 39 (i)] In a tunable magnetron comprising a plurality of coupled cavity resonators separated at least in part from one another by an anode, and tuned by altering their volume, the separation between the anode and the cathode is also adjustable. The cathode 1 is mounted on flexible bellows 4 closing one end of the metallic cylinder 6. The anode comprises a metallic vane 8 parallel to the cathode. The vane is sealed through a vitreous partition 7 sealing off the envelope, and divides the cylinder 6 into two resonant cavities. The resonant cavities are tuned by the adjustment of a piston 9. Optimum operation is secured by adjustment of the bellows 4. The vane 8 tapers into the inner conductor 10 of a coaxial output line whose outer conductor forms a continuation of the cylinder 6.
Patent GB-134119-A (GB)
Title: Improvements in and relating to Steam Cleansing Apparatus particularly applicable for Vertically Arranged Smoke Tubes.
Inventor: BORE JOHAN
IPC: F28G3/16
Filed: 1918-12-31
Abstract: 134,119. Bore, J., Skoglund, A., and Westerberg, A. Dec. 31, 1918. Cleaning, fluid-pressure processes for.-A steam pipe-cleaning apparatus, particularly applicable to vertically-arranged smoke-tubes, comprises an elongated nozzle 6 on the side of a member 2 rotatable in a chamber 4 connected to the steam inlet 3. A port 5 is formed in the member 2 on the side diametrically opposite ,to the nozzle 6, and is so dimensioned, as shown in Fig. 6, that the member 2 can be turned through half a revolution with the steam full on, a further turning to point the nozzle away from the smoke-tubes relsulting in shutting off the steam. A turning-key 9 fits into the member 2, which is held in place in the chamber 4 by a collar 7.
Patent GB-758339-A (GB)
Title: Improvements in suspension systems for helicopter sustaining rotors or rotary wings
IPC: B64C27/54
Filed: 1951-09-20
Abstract: 758,339. Helicopters. PERCIVAL AIRCRAFT, Ltd., FRISE, L. G., TUSTANOWSKI, J., and WOTTON, J. Dec. 19, 1952 [Sept. 20, 1951], No. 22050/51. Class 4. The jet driven rotor of a helicopter is supported in a combined thrust and spherical bearing. As shown, the hub 11 rotates about the vertical pillar 12 fixed to the helicopter body. Interposed between 11 and 12 is the member 17 which is non-rotatable but which is movable about the arcuate surfaces 15, 26. The hub rotates round 17 on the roller bearings 18, 19, 22, 23. Auxiliary mechanisms may be driven from the rotor by the shaft 50 which is connected to 11 by the links 54, 55. The rotor is supplied with gas through the conduit 45 and the gas-tight seals 42, 43 from engines located in the roof of the machine. Tilting of the rotor is controlled at low speeds by members 30, 31, 32. Specification 758,340 is referred to.
Patent GB-1349868-A (GB)
Title: Emergency power system
IPC: F04D15/00
Filed: 1971-04-19
Abstract: 1349868 Gas turbine engine fuel system SUNDSTRAND CORP 19 April 1971 [5 March 1970] 22084/71 Heading F1G A turbine 14 for driving an emergency hydraulic pump 16 on an aircraft is started by an electronic controller 26 which provides a signal causing pressurization of a monopropellant fuel tank 28 through a passage 29 and opens a solenoid valve 38 in a fuel line leading from the tank to a decomposition chamber 48' via a fuel pump 36 and a control valve 48. At the same time a start initiator 90 of solid propellant type is ignited to preheat the decomposition chamber 48', which delivers hot gases to the turbine 14. The turbine 14 accelerates until after the start initiator 90 has burnt out, and thereafter it is controlled solely by the valve 48. The fuel pump 36, which is driven by the turbine 14 and is preferably of centrifugal type, provides an output pressure which is representative of the turbine speed. When this pressure reaches a value indicative of a speed somewhat above the design speed, it acts on a land 83 of a pilot valve 49 against the action of a spring 86 to open a port 80 leading to a chamber 69. The pressure then acts on a land 62 of the valve 48 against the action of a spring 66 to close a port 58, thereby shutting off the fuel supply to the turbine 14. The turbine 14 then decelerates to a speed somewhat below the design speed, whereupon the pilot valve 49 re-closes and the valve 48 reopens. This cycle of operations of the valves 49, 48 repeatedly occurs, producing a pulsed supply of the fuel, the valve 48 being opened for longer periods and closed for shorter periods as the load on the turbine 14 increases (because the turbine then takes a longer time to accelerate to the higher speed and a shorter time, to decelerate to the lower speed). The valve 48 may have a progressive action instead of being always either fully open or fully closed.
Patent GB-749642-A (GB)
Title: Improvements in flap valves and the like
IPC: F16K15/03
Filed: 1953-08-11
Abstract: 749,642. Valve fittings for drains. COCHRANE, T. B. Aug. 16, 1954 [Aug. 11, 1953], No. 22088/53. Class 33. [Also in Groups XXVIII and XXIX] A closure for the exit end of overflow and like pipes comprises a flap valve 6 pivotally mounted on a strap member 2 which is readily securable upon and detachable from the end of the pipe 1, the strap member being formed with an oblique end forming a seating for the flap valve. A bolt 4 passes through lugs 3 on the member 2 and is secured by a wing nut 5. The flap valve is pivoted on the bolt 4 and prevents the entry of air into the pipe 1.
Patent GB-651050-A (GB)
Title: Improvements relating to the production of covered metal frames
IPC: B21D53/42
Filed: 1948-08-23
Abstract: 651,050. Handbags. KUCHENMEISTER. C. W., and NETZ, J. A. Aug. 23, 1948, No. 22169. Convention date, Aug. 28, 1947. [Class 133] [Also in Group XXII] Metal frames covered with leather &c. for ladies' handbags are made on a machine which cuts blanks from a metal strip, slots and bends the blanks, cements a leather &c. covering strip to the blank and bends the covered blank to the final shape. A metal strip is fed intermittently by a gripper on a slide 1 actuated from a crank through a roll straightener h to a crank operated press at station 4 where flanges b, c are formed on the strip and the blanks parted off. At station 5 a feeler, Fig. 5 (not shown), rests on a correctly located blank but drops and actuates a mercury switch for stopping the machine if no blank is in position. At station 6 a strip of leather &c. is applied to the blank. The blanks a, Fig. 6, are supported on a rail 16 and the strips d are contained in a magazine o. A suction device is raised by racks 17 and gears 18 on a shaft 19 about which the device can be swung. Spaces 21, 22 are connected to a vacuum pump p and a presser 26 operated by a rod 25 contains a heater 23. The suction device is raised by the racks 17 tilted about 30 degrees and lowered into the magazine to extract a strip and is then moved back to locate the strip on the blank. The suction is released and pressure applied to secure the strip. At station 7 the edges of the blank are cut away. The strip is folded about the edges of the blank, the corners of the blank are rounded and blank folded longitudinally by presses operated from a shaft x at stations 8, 9, 10. The finished blanks are ejected to a bin y.
Patent GB-636964-A (GB)
Title: Improved process for the manufacture of phosphoric acid
IPC: C01B25/232
Filed: 1947-08-11
Abstract: Phosphoric acid is prepared by mixing dry ground phosphate rock with sulphuric acid of at least 60 DEG  B<\>ae, heating the mixture, and leaching the thus treated product.  Preferably 98 per cent sulphuric acid is used in slight excess.  The heated step may be effected at 200-300 DEG  C. for 10-30 minutes.  In the leaching step which may be effected in a series of tanks, water is contacted first with nearly spent material, then with progressively richer material until it reaches the freshly heated mixture in the last tank.
Patent GB-775553-A (GB)
Title: Improvements in or relating to vehicle couplings or hitches
IPC: B62D53/08
Filed: 1954-07-31
Abstract: 775,553. Couplings for vehicles. SENTINEL (SHREWSBURY), Ltd., and HAMBLIN, L. F. Aug. 2, 1955 [July 31, 1954; April 28, 1955], Nos. 22417/54 and 12247/55. Class 103(5). A weight-transferring coupling comprises a hydraulic ram 20 pivotally connected at 23 and 24 to the tractor and at 26 to a sub-assembly 27 mounted on a transverse pin 28 at the forward end of the trailer. The piston rod 21 is pivotally connected at 35 to a short link 36 mounted on the pin 28 and when the ram is shortened a downward pressure is exerted on the tractor sufficient if required to lift the forward end of the trailer from the ground. Counterclockwise motion of the sub-assembly 27 about the pin 28 is prevented by rollers 37 engaging an arcuate surface 38 forming part of the trailer. The brackets 34 attached to the ram cylinder may be replaced by a fixed length link pivotally connected to the tractor and trailer. Specification 775,554 [Group XXXI] is referred to.
Patent GB-598143-A (GB)
Title: Improvements in or relating to decorative beading
IPC: B60R13/04
Filed: 1945-08-31
Abstract: A beading (see Group X) is made of thermoplastic compositions, such as the solid polyethylenes, polythene admixed with polyisobutylene, plasticized polyvinylidene chloride, polyvinyl chloride and interpolymers of for example vinyl chloride and up to 15 per cent by weight vinyl acetate or up to 75 per cent vinylidene chloride. Preferred compositions are plasticized vinyl chloride polymer and interpolymer compositions of Shore hardness 90 to 60, and finely ground filler may be added.  Suitable plasticizers are tricresyl phosphate, phthalates of aliphatic alcohols or aliphatic ether alcohols of 3 to 10 carbon atoms, esters of aliphatic dibasic acids, methyl and butyl ricinoleates and esters of phenols or aliphatic alcohols, and long chain aliphatic sulphonic acids.  Suitable plasticiser extenders are aromatic hydrocarbons and chlorinated hydrocarbons such as those described in Specification 573,841. Suitable fillers are talc, china clay, titania, and chalk.  Polymer stabilizers and pigments may also be added.
Patent GB-1025804-A (GB)
Title: Music leaf turner
IPC: B42D9/08
Filed: 1963-06-06
Abstract: 1,025,804. Leaf turners. B. BLEZ. June 6, 1963, No. 22479/63. Heading G5X. A leaf turner is selectively operable to turn in the reverse direction a leaf already turned in the forward direction. The arrangement for forward turning is of the kind described in Specification 796,558 in which an arm 3 carrying a rotatably mounted permanent magnet 6 is swung by means of a treadle-operated Bowden cable 26, 27 from a position of rest (Fig. 1) also Fig. 2, not shown, to a position in which the magnet attracts magnetizable material 11 on the leaf to be turned, the arm then returning under the action of a spring 33 (Fig. 7 not shown) to its rest position and rolling out of engagement with the leaf as described in the above mentioned Specification. For reverse turning operation the arm is formed from two sliding elements 3a, 3b (Fig. 3, not shown) and a further spring 34 (Fig. 7) made stronger than spring 33 is included in the Bowden cable system, the arrangement being such that by pressing down the treadle completely (a partial depression being only required for normal leaf turning) spring 34 is compressed such compression resulting in movement of elements 35, 37a (also Fig. 8, not shown) which operate via arm 39 and link 41 to pull element 3a into element 3b thus shortening the leaf turning arm 3 to cause the magnet to engage the magnetizable material 11 on the leaf already turned (i.e. that on the left-hand side) so that on release of the treadle the arm carries the leaf back to the right-hand position.