baber/WOPTO huggingface dataset:
Patent GB-1012868-A (GB)
Title: Electrical switching circuit
Inventor: PRICE JOHN CLIFFORD
IPC: H04B14/04
Filed: 1964-02-18
Abstract: 1,012,868. Pulse modulation systems. STANDARD TELEPHONES & CABLES Ltd. Feb. 18, 1964, No. 6704/64. Heading H4L. A switching circuit, e.g. in a P.C.M. system, comprises an input over which may be received an electrical signal of positive or negative polarity, a trigger circuit which is settable to its first or its second state dependent on whether its input signal is positive or negative, means under the control of the trigger circuit for producing an output from the switching circuit having an amplitude dependent upon the amplitude of the input signal and of one polarity only irrespective of the polarity of the input signal, the trigger circuit supplying a signal which is indicative of the polarity of the input signal to a further output of the switching circuit. As shown in Fig. 1, input signal samples from 1 are supplied via a channel gate 2 and load resistor 3 to a trigger circuit 4 and also to an amplifier 5 feeding a transformer 8 having a centre tapped output winding. The trigger 4 is set in one or the other state according to the polarity of the incoming signal and operates a circuit 9 or 10 to clamp the corresponding end of the output winding of transformer 8 to earth so that amplitude modulated pulses of the same polarity appear at the output 11. The polarity of the input is represented by binary one or binary nought appearing on the output 13. The transformer 8 may be replaced by a pair of capacitors, Fig. 2 (not shown), or by transistors, Fig. 3 (not shown).
Patent GB-471411-A (GB)
Title: Improvements in and relating to electric discharge tubes
IPC: H01J19/00
Filed: 1937-03-06
Abstract: 471,411. Thermionic valves. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. March 6, 1937, No. 6717. Convention date, March 9, 1936. [Class 39 (i)] In an electric discharge tube comprising a cathode 1, an anode 10 and four or more grids, the first grid 2 is composed of a number of rods, and a second grid 3, which completely surrounds the cathode 1 and grid 2, is formed partly of plateshaped material. The grid 3 is provided with plates 4, 5 at the ends adjacent the rods forming the grid 2. When used as a mixing tube in a superheterodyne receiver, two of the grids 6, 8 are connected together and the grid 9 is connected to the cathode 1 ; the first two grids 2, 3 are then used as oscillator electrodes, the grids 6, 8 as screen grids, the grid 7 as a control grid and the grid 9 as a suppressor grid. The tube may also be used as a triode-hexode.
Patent GB-820002-A (GB)
Title: Screw-containing cartridges
Inventor: AUSTIN LEONARD EDMOND
IPC: B25B23/06
Filed: 1955-08-30
Abstract: 820,002. Packaging screws. ILLINOIS TOOL WORKS. Aug. 30, 1955, No. 6759/59. Divided out of 820,001. Class 94(1). A cartridge containing screws 10 comprises a channel-shaped-member 4 having inturned confronting-flanges 8 to confine the screwheads, the ends of the flanges being deflected towards one another to prevent the passage of screws between them. The cartridge may be used to supply screws to the magazines of portable power-operated screw-drivers as described in Specification 820,001.
Patent GB-1118996-A (GB)
Title: Arrangement for mounting a loader on a vehicle
Inventor: FINNE HANS HENRIK VON STRATEN
IPC: E02F3/627
Filed: 1966-02-16
Abstract: 1,118,996. Shovel excavators. INTERNATIONAL HARVESTER CO. 16 Feb., 1966, No. 6770/66. Heading E1F. [Also 'n Division B8] To facilitate mounting and removal of a shovel unit on a vehicle there is rotatably mounted on one or both of brackets pivotally carrying a vertical swingable shovel-carrying yoke, an eccentric that bears as it is rotated on one or the other of two spaced apart abutments on a guideway supporting the associated one of the brackets to cause relative longitudinal displacement between the brackets and the vehicle so that the brackets can be entered into or withdrawn from connections that enable the brackets to be secured to the vehicle.
Patent GB-698567-A (GB)
Title: Combined circuit-breaking means for electrical apparatus and catch-releasing or unlocking means for the cabinets containing the same
Inventor: CARTER PERCIVAL RAVENSCROFT
IPC: H01H9/22
Filed: 1951-03-22
Abstract: 698,567. Switch covers. HALLAM, SLEIGH & CHESTON, Ltd. April 29, 1952 [March 22, 1951], No. 6829/51. Class 38 (v) Movement to the left of a slidable handle 5 unlocks the door 2 of a container and also opens the switch 6. The door is locked by a pin 16 on a bell-crank lever 17 engaging behind a shoulder on a catch element 15 fixed to the door. The vertical limb of the bell-crank lever has pivoted to it at 20 a swinging part 21 which is biased by a spring 24 and has a flange 23 allowing only counter-clockwise rotation relative to the bellcrank lever. When the handle 5 is pulled, e.g. by gripping the parts 5, 29, a conical member 14 fixed to the handle engages a pin 22 on the part 21, rotating it and the bell-crank lever 17 so that the pin 16 releases the catch 15. Simultaneously the bevelled end 27 of the handle comes away from the micro-switch 6 which opens. In the form shown the door 2 is the panel of a drawer. In reclosing the door the conical member 14 engages the pin 21 and rotates the part 21 relative to the bell-crank 17 till it can slip by. Simultaneously the catch 15 slips past the pin 16 which lifts to allow it to do so and the part 27 recloses the switch. In a modification, Fig. 8 (not shown) the conical part 14 serves to operate the switch, the part 27 being dispensed with.
Patent GB-957572-A (GB)
Title: Retaining member for presenting a shoulder at the end of a screw threaded rod
Inventor: MELSHER FRANCIS GEORGE
IPC: F16B37/16
Filed: 1962-02-21
Abstract: 957,572. Screw sockets. PATON CALVERT & CO. Ltd. Dec. 12, 1962 [Feb. 21, 1962], No. 6833/62. Heading F2H. A retaining member whicn presents a shoulder S at the end of a screw-threaded rod R, is constituted by a nut blank of flexible plastics material or rubber having a blind tapered bore B adapted to have screw threads formed therein on its rotation in contact with the screw threads on the rod. The retaining member has a cylindrical counterbore C of diameter commensurate with the external diameter of the rod R and leading into the tapered bore B.
Patent GB-821769-A (GB)
Title: Improvements in or relating to bottle stoppers
IPC: B65D47/06
Filed: 1956-03-05
Abstract: 821,769. Stoppers. SMITH, G. V. Feb. 18, 1957 [March 5, 1956], No. 6863/56. Class 125(3). A bottle stopper arranged for pouring and moulded of polythene polyvinylchloride or the like has a hollow taper body 10 with serrated head 11 and axially spaced circumferential ribs 13, the stopper having a bore 16 communicating with a tubular part 19 and a tubular part 20 the bore of which is engaged by a polystyrene tube 21 to allow air to enter the bottle as liquid is poured out through part 19.
Patent GB-668002-A (GB)
Title: Improvements in or relating to means for attaching reeds to mouthpieces of musical instruments
IPC: G10D7/06
Filed: 1950-03-20
Abstract: 668,002. Wood-wind instruments. MPELLER, W. W. March 20, 1950. [April 7, 1949] No. 6866/50. Class 88 (ii). A plate 5, Figs. 5, 6, curved to the shape of the outer surface of the reed 1 of e.g. a clarinet, is positioned between the reed and a split band 4 and is provided with a lug 6 apertured to receive the thumbscrews 8 which tighten the band to secure the reed in position. The plate is made of a slightly deformable material e.g. silver, silver alloy, or a plastic to distribute the pressure evenly on the reed which may be formed of a plastic e.g. polystyrene or a phenol aldehyde resin.
Patent GB-456706-A (GB)
Title: Improvements in or relating to furnaces for the treatment of pulverulent materials
IPC: F27B19/02
Filed: 1936-03-09
Abstract: 456,706. Furnaces for treating pulverulent materials. SAINT - JACQUES, E. C., 11, Rue Marbeau, Paris. March 9, 1936, No. 7130. Convention date, March 12, 1935. [Class 51 (ii)] A furnace for the heat treatment of pulverulent materials, e.g. ores, comprising a body portion 1 having at its upper end an extension 2 with an outlet 4 to a suction fan and inlets designed to impart a whirling motion to entering streams of material carried in gaseous suspension, as described in French Specification 774,593, is connected at its lower end to a reverberatory melting-chamber 9. The furnace is heated by burners 8, 12, and air is supplied from the belt 6. The charge-carrying gaseous current enters the space around the coned outlet 4 tangentially, and is distributed in the furnace by curved blades 5.
Patent GB-904666-A (GB)
Title: Improvements in or relating to pulse circuit arrangements for scanning flat display tubes
IPC: H04N3/233
Filed: 1959-03-02
Abstract: 904,666. Television. PHILIPS ELECTRICAL INDUSTRIES Ltd. March 2, 1959 [March 4, 1958], No. 7160/59. Class 40 (3). [Also in Group XL (c)] Fig. 1 shows a deflection system for a flat picture tube wherein an earthed electron gun 1 forms a vertical beam 4 between the fluorescent screen 2 and a series of deflection plates 3 0  to 3 6 . Conventional magnetic line deflection arrangements are provided. At the end of each frame scan, all plates excepting 3 0  are connected to a supply V s  by means of an electronic switch 22. The earthed plate 3 0  deflects the beam to the top (right-hand side as shown) of the screen 2. A synchronizing or trigger pulse on lead 8 starts an electronic circuit 61 which charges the capacitance formed by plate 31 and a conductive coating on the fluorescent screen 2 so that the voltage of the plate 3 1  falls linearly, deflecting the beam downwards (to the left as shown). When the charge has reached a predetermined level, a pulse is fed to a similar circuit 6 2 . The scan is then continued until circuit 6 6 , controlling the lowermost plate 3 6 , is reached, when a pulse is fed to close the electronic switch 23, 22 which discharges the plates 3 1  to 3 6  via rectifiers 5. A pulse from the output of circuit 6 6  may be fed via a delay circuit to circuit 6 1  so that the system becomes self-oscillating. The system may alternatively be used for line scanning; a conventional frame scanning system then being provided. Suitable scanning circuits are described (see Group XL (c)).
Patent GB-509273-A (GB)
Title: Improvements in folding boxes of paper, cardboard or the like
IPC: B65D5/465
Filed: 1938-03-08
Abstract: 509,273. Boxes. AUSTIN, Ltd., J., and AUSTIN, E. L. March 8, 1938, No. 7173. [Class 18] Slots 20, 21 are formed in two closing flaps 5, 4 parallel to the hinge crease lines A, B which connect the flaps 5, 4 to side walls 3, 1, and through the slots are passed handles formed by cut-away portions in wings 17, 18 hinged at right angles to the hinge lines C, D which connect two closing flaps 15, 16 to end walls 12. The flaps 5, 4 are connected by tongue- and-slot means 7, 6 and the end walls 12, 11 by similar means 13, 14. The box shown is shaped as an inverted truncated pyramid, with base 2.
Patent GB-235647-A (GB)
Title: Apparatus for separating liquids of different specific gravity
IPC: B01D17/02
Filed: 1924-03-20
Abstract: 235,647. Pink, F. March 20, 1924. Separating by gravity.-The apparatus comprises a horizontally elongated vessel through which the lighter liquid flows straight in a horizontal direction while the heavier liquid falls to the bottom and collects in a well provided with a discharge-valve automatically controlled by rising and falling of the heavier liquid in the well. Fig. 1 shows a tank with inlet 3 baffles 2, heating coils 10, 11, lighter liquid outlet 4 and well 6 with automatic valve 7 for collecting and discharging the heavy liquid. Apparatus with two separating chambers 12, 13 is shown in Fig. 4. The mixture enters the chamber 12 at inlet 15, lighter liquid passing away through outlet 16 while the heavier enters the conpartment 13 through passage 17. Further separation takes place, the lighter part leaving by outlet 19, while the heavier collects in the well and is discharged through a valve operated by a float 8. The float instead of being directly connected to the valve may operate it by mechanical and electrical means, such as those, described' in Specification 218,462.
Patent GB-345463-A (GB)
Title: Improvements in or relating to card tables or the like
IPC: A47B25/00
Filed: 1930-03-05
Abstract: 345,463. Card tables. POWER, R. F., 18, Chesterford Gardens, Hampstead, London. March 5, 1930, No. 7223. [Class 52 (iii).] Card tables are fitted with small-mouthed opentopped receptacles for games accessories, e.g. scoring sheets, counters or coins, cigarettes, tobacco ash, &c., leaving the table surface free of obstructions. They may also be fitted with supports for tumblers. Fig. 4 shows a receptacle for a scoring pad or for paper money. It is inserted in a slot in the table top, and consists of a trough-like body 1 with a slotted bottom 2, and with convexlycurved flanges 3 which may be drawn down, so as to grip the baize on the table top by driving wedges between lugs 4 and the underside of the table. Similar receptacles of square or circular cross section may be provided for receiving coins, dice, ash receptacles, &c. The receptacles shown in Fig. 4 may have widened parts 8 near the middle of the mouth to enable a finger and thumb to grip the edge of a scoring pad &c. A smoker's accessory consists of a trough-like receptacle 1a, Fig. 6, for cigarettes, with an extension containing a grid-like false bottom 9, on which, and under the hood 10, the burning end of a cigarette is placed, the unlighted end resting on a ridge 11. The ash falls into a sliding tray 12, which may contain liquid. In a modification, the sliding tray 12 is replaced by a vertically removable trough. Holders 17, Fig. 11, for tumblers or like articles are pivoted to the flanges 5a on the underside of the table tops 7 by means of a pivot screw 18, or by means of a universal joint made rigid by a spring device.
Patent GB-1531344-A (GB)
Title: Method and means for conditioning the intake air of a supercharged low-compression ratio diesel engine
IPC: F02N19/00
Filed: 1976-02-24
Abstract: 1531344 Starting supercharged IC engines SOC D'ETUDES DE MACHINES THERMIQUES 24 Feb 1976 [25 Feb 1975] 07273/76 Addition to 1482605 Heading F1B The method claimed in Specification 1482605 is modified by the addition of the step of preventing fuel injection during an initial part of the starting time period of the engine. Fuel injection is prevented by a timer which operates for a predetermined period after mechanical cranking of the engine begins e.g. the time taken for the engine to make twenty revolutions, so that the air in the cylinder is heated by mixing with residual air heated by compression. Fuel injection may begin when the air in the cylinder reaches a predetermined temperature.
Patent GB-589421-A (GB)
Title: A process for the hardening and protecting of metallic films
IPC: C23D5/00
Filed: 1945-03-22
Abstract: In a process for hardening, protecting and increasing the adhesion of films of gold, silver or other noble metals deposited on a glass or vitreous surface, the film is subjected to the action of the vapour of a silicon tetrahalide having an appreciable vapour pressure at the ordinary temperature, such as silicon tetrachloride.  In an example, a gold film, deposited on glass by the process of Specification 497,240, is placed face downwards over a solution of ammonia for one minute, exposed to the atmosphere for two and a half minutes, to a current of air for half a minute and finally placed face downwards over a vessel containing silicon tetrachloride for five minutes.  The treated film may then be subjected to a heat treatment or may have a transparent lamination placed over it.
Patent GB-198462-A (GB)
Title: Improvements in and relating to the preparation of quinoline and quinoline derivatives or compounds
IPC: C07D215/04
Filed: 1922-03-13
Abstract: In the synthesis of quinoline and its derivatives by the Skraup reaction or the Döbner and von Miller reaction, chloropicrin is employed as the oxidizing agent.  In examples the use of chloropicrin in the production of the following compounds is described:-quinoline, 6- or 8- methylquinoline, 5 : 8-dimethylquinoline and 8-hydroxyquinoline, from glycerol and the corresponding aromatic amine; alizarin blue from b -aminoanthraquinone and glycerol; 2-methylquinoline from aniline and paraldehyde.
Patent GB-397786-A (GB)
Title: Improvements in and relating to cooling plants for internal combustion engines
IPC: F01P3/18
Filed: 1933-03-11
Abstract: 397,786. Cooling cylinders. AKTIESELSKABET FRICHS, Aaby Aarhus, Denmark. March 11, 1933, No. 7464. Convention date, March 11, 1932. [Class 7 (ii).] The cooling system of a motor-vehicle engine includes, both a radiator cooled by natural air flow past the vehicle, and a radiator 7 cooled by the air flow of a fan 8. In the arrangement shown, two engines 1a, 1b have separate radiators 6a, 6b and the cocks shown enable either to be cut out of the circuit and drained ; circulation through a tank 4 is produced by pumps 3a, 3b and a pump 3c causes circulation through the radiator 7, but the tank 4 may have considerable height so' that circulation through the radiator 7 may be by convection ; the pumps and the fan may be driven at variable speed by electric motors. A connection 14 enables the radiator 7 to be connected in series with the other radiators by closing a cock 12, the radiator being preferably reserved for overload working, but having a sufficiently large flow area to permit this, without increased back pressure.
Patent GB-374502-A (GB)
Title: Improvements in or relating to machine guns
IPC: F41A21/24
Filed: 1931-03-11
Abstract: 374,502. Machine guns. VICKERSARMSTRONGS, Ltd., LARSSON, C. A., and HIGSON, P. R., Vickers House, Broad way, Westminster. March 11, 1931, No. 7563. [Class 92 (ii).] A metal cooling sleeve A contacting throughout its length with the barrel B is connected to the front end of the barrel so as to move with the barrel during recoil and run-out but is otherwise free to expand rearwardly relatively to the barrel when heated. In the form shown a sleeve having longitudinal ribs A<1> is attached to the barrel by a stirrup-shaped member C, Fig. 4, which is pushed vertically over slots in the barrel and has a projection C<1> engaging a recess in the sleeve. The member C is retained and clamped by a rivet C<2> passing through a slot in the lower surface of the barrel. The sleeve may be made of aluminium, aluminium alloy or other metal or alloy having high heat conductivity.
Patent GB-116277-A (GB)
Title: An Improved Process for Refining Alloys.
IPC: C22B9/10
Filed: 1918-05-07
Abstract: 116,277. Stabilimenti Biak-Ing. A. Pouchain. (Assignees of Peynetti, P.). May 7, 1917, [Convention date]. Alloys; dry processes of refining metals and alloys.-A process for eliminating oxygen and oxides from alloys other than iron alloys consists in placing in the mould into which the alloy is to be cast a small quantity of one or more of the constituent metals of the alloy, preferably the metal or metals having the greatest affinity for oxygen. The metal or metals may be introduced into the mould in powdered form enclosed in an envelope of an easily fusible metal such as lead The Specification as open to inspection under Sect. 91 (3) (a) refers also to the application of the invention to the treatment of metals in general. This subject-matter does not appear in the Specification as accepted
Patent GB-1104693-A (GB)
Title: Improvements in or relating to the manufacture of superconducting solenoids
Inventor: PRIOR ARTHUR CUNNINGHAM
IPC: H01L39/00
Filed: 1964-02-25
Abstract: A niobium-tin (Nb3Sn) solenoid is made by bringing Nb and Sn together, forming them into the desired final shape and heat-treating the assembly to form the alloy solenoid.  The Nb and Sn may be assembled together by:-  1)  Providing alternate layers of Nb and Sn (e.g. tapes).  2)  Coating Nb tape or wire by vacuum evaporation of Sn (Fig. 7) with an optional thickening of the coating by electro-deposition from a potassium stannate bath.  and 3)  Mixing Nb and Sn powders Figs. 5 and 6 (not shown).  In Fig. 7 the tin source 21 is heated by electron bombardment from filament 29 in a hollow electrode 31 through hole 35 of which tin vapour passes and is plated on to the substrate which is heated to 400 DEG -500 DEG C. by means of heaters 49 and 51 during or after coating. Figs. 5 and 6 (not shown) illustrate a method for making solenoid disks by heat treatment after pressing of a powder mixture of Nb and Sn.  Heat treatment temperatures of 900 DEG -1000 DEG C. for 1-16 hours are disclosed.  Methods for joining superconductor bodies by interleaving of Nb and Sn tapes of different bodies Figs. 2 and 3 (not shown) and by use of NbSn powder mixture placed in between adjacent disks and then pressed and heated are also disclosed.ALSO:<PICT:1104693/C1/1> A niobium-tin (Nb3Sn) solenoid may be made by coating Nb tape or wire by vacuum deposition of Sn thereon, thickening the coating by electrodeposition, forming into the desired shape and heat-treating to alloy the metals.  As shown in Fig. 7, a tin source 21 heated by electron bombardment from filament 29 in a hollow electrode 31 provides tin vapour which passes through hole 35 and is plated on to the Nb wire or tape drawn from reel 37. The wire or tape may be sufficiently heated to 400-500 DEG  C. by means of filament 29 but further electron bombardment heaters 49 and 51 may be employed. Thereafter, the Sn coating is built up to provide the correct proportions for Nb3Sn by electrodeposition from potassium stannate, optionally heated to over 860 DEG  C., formed into a solenoid coil and alloyed by heating, typically at 900-1000 DEG  C.
Patent GB-918429-A (GB)
Title: Improvements in latches for sliding doors
Inventor: LITTLEHALES GEORGE LEOPOLD
IPC: E05B65/08
Filed: 1960-03-05
Abstract: 918,429. Fastenings. HALLAM, SLEIGH & CHESTON Ltd. March 2, 1961 [March 5, 1960], No. 7877/60. Class 44. A fastening for a sliding door comprises a hook 7 pivoted at 15 to be operated by a peg 19 associated with the handle 17 and a detent 6 pivoted at 20 and biased by the spring 8 when the door is opened to retain the hook in the inoperative position. When the door is closed the pin 25 engages the face 27 of the keeper so that the detent pivots to release the hook which is then biased to its operative position by the spring 8. The handle is centred by the spring 28 and a barrel-type lock may be incorporated in the spindle 16 of the handle.
Patent GB-576307-A (GB)
Title: Improvements in and relating to the scalding of vegetables
IPC: A23B7/06
Filed: 1943-05-19
Abstract: Vegetables are scalded, prior to drying, by treatment with hot, very damp air.  Root vegetables are cut into strips, and leafy vegetables shredded, and may be dipped into sulphite solution before scalding. Scorching may be avoided, in the case of root vegetables, by applying a fine water spray to the surface layer exposed to the scalding air for a short period during the scalding operation and, in the case of leafy vegetables, by passing the air upwards through a thin layer of the vegetable. The wet-bulb temperature of the scalding air is preferably held at or above 95 DEG C.  In examples (1) the air is drawn by a fan through a layer of vegetable on a tray in a tunnel drier and (2) the air is circulated in an electrically heated cabinet-type drier, all the moisture to damp the air being supplied by the vegetable.  Specifications 550,076 and 557,227 are referred to.  Reference has been directed by the Comptroller to Specification 557,227.
Patent GB-935960-A (GB)
Title: A textile roller card and a carding process
IPC: D01G15/18
Filed: 1961-03-06
Abstract: 935,960. Carding-engines. DEUTSCHER SPINNEREIMASCHINENBAU INGOLSTADT NIEDERLASSUNG DER SCHUBERT & SALZER MASCHINENFABRIK A.G. March 6, 1961 [April 19, 1960], No. 8014/61. Class 120 (1). Fibres are worked in a carding machine between carding rollers 1, 2, 3, 4 which have teeth inclined forwards with reference to their direction of rotation and which are acted upon by a common fancy roller 5 that rotates at a higher peripheral speed. A feed roller S and licker-in V forward fibres to the first carding roller 1.