baber/WOPTO huggingface dataset:
Patent GB-1347793-A (GB)
Title: Ignition arrangement for a discharge tube
IPC: H01J61/54
Filed: 1971-11-01
Abstract: 1347793 Discharge tubes PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 1 Nov 1971 [4 Nov 1970] 50643/71 Heading H2H [Also in Divisions G2 and H1] An electric discharge in a gas and/or vapour discharge tube 1, Fig. 1, having an external ignition electrode 12 is initiated by means of a piezoelectric element 2. Operation of the element 2 gives rise to a voltage which triggers an SCR 6 and the resulting voltage across the secondary winding 11 of a transformer serves to ignite the discharge (which may be stopped by discharging a capacitor 15 charged from the supply 13). The device may be used on a camera 40, Fig. 4, whose shutter 41 is linked to a percussion device 42 which operates the piezoelectric element 44 in an adaptor 43 so as to ignite either an electronic flash lamp 46 or a high-voltage combustion flash bulb. 48. The arrangement may be such that the adaptor may be omitted (Fig. 3, not shown) and the element may be incorporated in the camera itself (Fig. 5, not shown). Alternatively, the element may be incorporated in a rotary switch 100, Fig. 6 (not shown), for the ignition of a high-pressure sodium vapour discharge lamp (81); the element (103) is connected to the ignition electrode (95) so that rotation of the switch closes the circuit and at the same time causes the element to be struck to provide the ignition voltage.
Patent GB-1070650-A (GB)
Title: The manufacture of carbon disulphide
Filed: 1963-12-23
Abstract: Carbon disulphide and hydrogen chloride are produced by reacting dry chlorinated hydrocarbons with sulphur at a temperature of from 600 DEG  to 1200 DEG  C., the molar ratios in the starting materials of chlorine to hydrogen and of carbon to sulphur being 1 : 1 and 1 : 2, respectively. The reaction products are separated, for example by absorption of the hydrogen chloride with water, the carbon disulphide remaining being condensed, collected and rectified; alternatively, the hydrogen chloride may be converted into chlorine.  Use of dry starting materials with the above molar ratios prevents formation of hydrogen sulphide, chlorine or undesired chlorinated by-products; if the starting materials do not contain chlorine and hydrogen in equimolar proportions, hydrocarbons may be added when chlorine is in excess, and gaseous chlorine, sulphur chloride or higher chlorinated hydrocarbons may be added when hydrogen is in excess. The chlorinated hydrocarbons, which preferably contain not more than twelve carbon atoms, may be the undesired isomers of hexachlorocyclohexane obtained as by-products in the preparation of the gamma-isomer.  At the beginning of the reaction, carbon black is formed as a coating on the walls of the apparatus.
Patent GB-1476384-A (GB)
Title: Liquid motor fuel compositions
IPC: F02B75/02
Filed: 1974-04-26
Abstract: 1476384 Diesters of adipic acid ROHM & HAAS CO 26 April 1974 [2 May 1973] 50807/76 Divided out of 1476381 Heading C2C [Also in Divisions C5 and C3] Diesters of adipic acid with (a) a C 1 -C 24  aliphatic alcohol and (b) an alkoxylated alkyl phenol which esters may have the formula where Z is the hydrocarbon residue of adipic acid, n is a value in the case of a single compound or average value in the case of a mixture of compounds in the range 1-20, R 7  is C 4 -C 9  alkyl and R 9  is C 1 -C 24  alkyl; may be prepared by reacting a mixture of aliphatic alcohol and an alkoxylated alkyl phenol with adipic acid.
Patent GB-1158416-A (GB)
Title: Transistor Amplifier
IPC: H03F3/45
Filed: 1966-11-15
Abstract: 1,158,416. Transistor amplifier circuits. INTERNATIONAL BUSINESS MACHINES CORP. 15 Nov., 1966 [13 Dec., 1965], No. 51033/66. Heading H3T. In an amplifier comprising at least one amplifier transistor 2-1-2-n, the input circuit of the amplifier includes at least one input transistor 6-1 having the same base-emitter characteristics as the amplifier transistor and having its base and collector electrodes connected together to an input terminal 7 and to the base electrode of the amplifier transistor and the or each input transistor 6-1-6-n is biased so that the collector current I1-I5 of the or each input transistor substantially equals the collector current I o  which flows through the or each amplifier transistor. This bias is provided by supply 9 and a resistor 10. The gain and input impedance of the amplifier may be reduced by increasing the number of input transistors used: or the gain and input impedance may be increased by reducing the number of input transistors and adding further amplifier transistors 2-n in parallel with each other. The amplifier may be constructed as an integrated circuit. The output from the amplifier 1 may be connected to a direct current amplifier (20, Fig. 2, not shown), the output of which is fed back to bias the amplifier at point 11 via a negative feedback network (22).
Patent GB-1433367-A (GB)
Title: Postal cards
IPC: B44F1/12
Filed: 1973-11-05
Abstract: 1433367 Post cards KLASSEN BRONZE Ltd 5 Nov 1973 [18 July 1973] 51240/73 Heading B6A A post card 10 comprises a card 12 bearing on its front face a substantially flat emblem 16, e.g. a cloth, metal or plastics badge, the emblem being held to the card by a substantially transparent synthetic plastics film 18, e.g. a polyethylene film adhered or heat sealed to at least a portion of the front face. Lines of perforations may be provided in the film and card to facilitate removal of the film from the card and release of the emblem. The front face of the card may comprise a photograph or drawing.
Patent GB-1184298-A (GB)
Title: A Mount for a Self-Aligning Spherical Bearing Bush
IPC: F16C35/02
Filed: 1968-10-29
Abstract: 1,184,298. Bearings. SHICK ELECTRIC Inc. 29 Oct., 1968 [5 Feb., 1968], No. 51253/68. Heading F2A. The bush 26 of a spherical self-aligning bear ing is supported in a mounting 10 which has a plurality of fingers 18, 20 of resilient material which are formed to define an internal concave surface against which bears the outer spherical surface of the bush. The fingers are provided on one side with a recess 24 which is of such dimensions that the retaining portion of the concave surface is resiliently deformable to allow removal and insertion of the bush. The shaft 30 which is journalled in the bushes may be provided with washers 34, 36 which may engage the mounting 10 to transmit the thrust from the shaft to the mounting.
Patent GB-1061807-A (GB)
Title: A method for improving an edge of a metal stamping
IPC: B21B1/22
Filed: 1964-12-18
Abstract: 1,061,807. Rolling. DAIMLER-BENZ A.G. Dec. 18, 1964 [Dec. 18, 1963; June 13, 1964], No. 51571/64. Heading B3M. The cut edges (2<SP>1</SP>) (2<SP>1</SP>) of a U-shaped, Z- shaped or semicircular or oval open hollow section stamping are deburred by rolling them between profiled vertical rolls, (3), (3). A horizontal roll (4) may be provided for rolling the edge flat, whilst vertical rolls (3), (3) may be of parabolic form. The rolls may be adjustable towards or away from the work. The work may be placed with its web on a rolling or sliding support, and may be pushed through the rolls, or the feed may be produced by the rolls, (3), (3).
Patent GB-1001389-A (GB)
Title: Derrick
Inventor: ECKELS GEORGE HENRY
IPC: B66C23/72
Filed: 1962-11-02
Abstract: 1,001,389. Mobile cranes; loading and unloading. OHIO BRASS CO. Nov. 2, 1962, No. 51951/64. Divided out of 1,001,388. Drawings to Specification. Headings B8B and B8E. [Also in Division E1] The subject-matter is identical to that of Specification 1,001,388 but the claims differ.
Patent GB-1200126-A (GB)
Title: Projection system
Inventor: YAMADA TATSUYA
IPC: H04N5/74
Filed: 1967-11-15
Abstract: 1,200,126. Cathode-ray tubes. TOKYO SHIBAURA ELECTRIC CO. Ltd. 15 Nov., 1967 [17 Nov., 1966; 13 Jan., 1967; 12 May, 1967 (2); 12 Sept., 1967] No. 51995/67. Heading H1D. [Also in Division H4] Specification describes a projection television using a Schlieren optical system and a thin light-modulating membrane optically deformable in accordance with an electrostatic change distribution corresponding to the image to be projected. In one embodiment, Fig. 1, optical elements 15 and 16 are so positioned, that, without the intervention of tube 4, the image of a first grid 17 would be so projected on to a second grid 19 (spaces of one on to the opaque parts of the other) that no light from source 13 is projected on to screen 21. The optically deformable membrane causes distortion of the projection of grid 17 so that controlled light portions pass grid 19 for projection on to the screen. Tube 4 comprises an electron gun 9 biased to - 10 Kv and projecting an electron beam modulated by the video signal and scanning a plate assembly 5 in a raster. The assembly 5 comprises Fig. 2, a dielectric glass sheet 22 on which a negative charge image is built up by the electron beam, an evaporated aluminium grid 23 in the form shown in Fig. 3, or as in Fig. 4 and at OV, and the deformable membrane 32 comprising methyl silicone oil. The membrane varies its thickness in dependence on the charge on the glass sheet. Instead of the light passing through the assembly 5 and the tube 4 the assembly 5 may be formed with a light reflective layer 44, Fig. 6, whereby the image of the first grid, now being the reflective upper half of an inclined grid 41, is reflected (and distorted by layer 132) on to or through the second grid, now being the lower half of the grid 41. An unfocused erasing electron gun may be added, Fig. 11 (not shown). A dielectric layer of calcium fluoride may be added to the outer surface of the glass sheet, having a high secondary electron emission and enabling the use of a low voltage, easily focused, electron beam, Fig. 10 (not shown). Reference has been directed by the Comptroller to Specification 1,084,624.
Patent GB-1444564-A (GB)
Title: Method of and apparatus for making carbon
IPC: C01B31/00
Filed: 1973-11-08
Abstract: 1444564 Decomposition apparatus HOKUETSU HUME PIPE KK 8 Nov 1973 [8 Nov 1972 12 Dec 1972 19 Dec 1972 (2)] 51995/73 Heading B1F [Also in Division Cl] Apparatus for making carbon comprises an elongate chamber 1 rota table about its central longitudinal axis and inclined transfer pieces 12 fixed in one sector of the chamber and arranged in part spiral form which on rotation of the chamber transfer carbonaceous material from the inlet to an outlet for carbon at the other end of the chamber and at least one stirrer 13 fixed in another sector of the chamber, and means for heating the chamber.
Patent GB-1209269-A (GB)
Title: Array of cells in integrated circuits
IPC: G11C19/18
Filed: 1968-06-21
Abstract: 1,209,269. Semiconductor circuit arrays. R.C.A. CORPORATION. 21 June, 1968 [23 June, 1967], No.52009/69. Divided out of 1,209,268. Heading H1K. The subject matter of this Specification is included in Specification 1,209,268 from which it has been divided. The claims relate to a rectilinear array of cells on a common substrate with runways positioned between the rows of cells. Each cell includes a number of current paths extending between diffused spaced regions of opposite conductivity type to the underlying material. An insulating layer on the surface carries conducting paths extending along the runways and is provided with apertures giving access to the spaced regions. One of the regions is common to a pair of adjacent cells in a column and where it extends under the runway between the cells is connected through one of the apertures to one of said conducting paths.
Patent GB-1405326-A (GB)
Title: Sheet-collecting apparatus
IPC: B41L/
Filed: 1973-11-09
Abstract: 1405326 Delivering sheets MASCHINENFABRIK GOEBEL GmbH 9 Nov 1973 [10 Nov 1972] 52241/73 Heading B8R Sheets cut from a web 1 are fed by tapes 5, 6 to a collecting cylinder 7. As each sheet reaches the cylinder, it is supported by a tape 9 during the first part of its path round the cylinder, and its leading end overlies grippers 8 which are clamping the previously fed sheets. Before leaving the zone of support by the tape 9, the grippers move a small distance forward relative to the sheet, open, move back, and close on the new sheet. A completed stack is released by the grippers and transferred to a cylinder 15 for further processing, e.g. folding. The bodily movement and the opening and closing movement of the grippers are controlled by two cams.
Patent GB-1406329-A (GB)
Title: Pallet trucks
IPC: B62B3/06
Filed: 1972-11-13
Abstract: 1406329 Pallet trucks HILL & CO AB 13 Nov 1972 [2 Dec 1971] 52253/72 Heading B8H [Also in Division F2] A pallet truck in which the rate at which its lift forks 1, 2 are raised is adjustable comprises an hydraulic jack 3 which contains a piston 17 whose upper end on being raised, raises the forks 1, 2, the raising of the piston 17 being effected by pumping afoot pedal 10 which causes a cam 20 to rotate about a shaft 19 and actuate a roller 22 which is connected to a two-piston unit 23, the two pistons 24, 25 of the unit being displaced upwardly so that hydraulic fluid in the jack housing 18 is able to travel through channels 28, 29 in the interiors of the respective pistons upwardly to the base of the piston 17. Adjustment of the amount of fluid passing to the piston 17 is effected by means of a handle 14 connected to a control plate 16 on the jack 3 by means of a transfer rod 15 located in a drawbar 9, the control plate 16 being connected to a pin 34 in the jack 3. In the condition of the jack 3 shown in Fig. 3a in which the handle 14 is in a first position the pin 34 is not in engagement with a ball 35 which is seated under spring pressure against a valve seat 36, so that the hydraulic fluid is permitted to flow from both the pistons 24, 25 to the piston 17, so that the rate of elevation of the forks 1, 2 is a maximum. If the handle 14 is moved to a second position the pin 34 engages the ball 35 which is moved leftwards in Fig. 3a to a position in which it obstructs the passage of fluid from piston 25, Fig. 4a (not shown), so that only the fluid flowing through the piston 24 reaches the piston 17 and consequently the raising of the forks 1, 2 is effected more slowly, and if the handle 14 is moved to a third position the pin 34 and ball 35 are moved more to the left, the ball 35 engaging a pin 42 which inserts a ball 43, the latter obstructing the passage of fluid from the piston 24 thus totally preventing the flow of hydraulic fluid to the piston 17 which is able to return to its lowest position thereby lowering the forks 1, 2.
Patent GB-1131067-A (GB)
Title: Improvements in and relating to lifting jacks for vehicles
IPC: B66F13/00
Filed: 1965-12-10
Abstract: 1,131,067. Screw jacks. M. STORZ, and W. PLISCHKE. 10 Dec., 1965 [12 Dec., 1964], No. 52498/65. Heading B8J. A lifting jack, Figs. 1, 2, for vehicles, comprises a support column 20 mounted on a base (not shown) with a load-carrier 22 arranged on the column 20 for lifting and lowering by a threaded spindle 24 driven by a crank handle 34 through bevel gears 32, 28 arranged in a headpiece 26 and is characterized by stopping means 42, 44 which prevent further drive of the spindle 24 in a predetermined position of lift of the load carrier 22. The stopping means 42, 44 comprise an attachment 42 on the crank handle 34 which contacts an abutment 44 on the load carrier 22, as it approaches the region of its upper lifting position, further rotation of the crank handle 34 becoming impossible. The stopping means may comprise a cam 48, Fig. 5, which co-operates with an extension 56 on a load carrier 54, Fig. 4 (not shown), to prevent further rotation of a crankpin (50) at maximum lift. As shown in Fig. 6 a rocking lever 60 pivoted to a load carrier 58 is deflected into the path of a crank 66 at maximum lift. As shown in Fig. 7 an abutment for blocking a crank 80 is provided by a spring-loaded slide 70 associated with a displaceable locking bolt 74. As shown in Fig. 11 a crankpin 102 is driven by a crank 98, a tilting lever 90 forcing the crank 98 off the crankpin 102 as a load carrier 110 approaches its upper lifting position. A friction clutch adjusted to the maximum torque permissible may be interposed in the transmission means for driving a crankpin (108), Figs. 12, 13 (not shown).
Patent GB-1447081-A (GB)
Title: Electrical connectors with simultaneously-actuated insulation- piercing contacts
IPC: H01R24/38
Filed: 1973-11-13
Abstract: 1447081 Two-part couplings BUNKER RAMO CORP 13 Nov 1973 [21 Nov 1972] 52701/73 Heading H2E A coupling part comprises two dielectric bodies 231, 237 rotatable relatively to each other about the longitudinal axis of the coupling from a non-actuated to an actuated setting, a plurality of apertures 238 extending through body 237 and into body 231 for receiving the ends of insulated wires 239, guide slots 236 extending transversely to and intersecting respective apertures contacts 241 mounted on the body 231 each having a terminal portion 248 within a respective guide slot 236, such that rotation to the actuated setting causes the portions 248 to pierce the insulation, and locking means for locking the two bodies in the actuated setting. In the Figure, the conductor-receiving slots 238 are in two parts and the body 237 is mounted for limited rotation about a shaft 243 on the body 231. In use, the body 237 is assembled on the shaft with the slot parts 238A, 238B aligned and the insulated conductor ends 239 inserted in the slot parts. The body 237 is then rotated about the shaft carrying the conductor ends into engagement with the insulation piercing terminal portions 248 of the contacts 241 which are in passages 233 in the surface of the part 231. The contacts 241 have contact element (242, Fig. 16) which abut identical contact elements in a complementary connector (330, Fig. 20). A key (244) slides along a keyway 245 to engage a slot 246 and the two bodies are locked together by a housing 251 which fits over the bodies 231, 237 in the actuated position. A further embodiment (Figs. 8-11) discloses a tapered extension (465) to the shaft (464) on which the body (437) rotates, the extension serving to separate and grip the individual insulated conductors of the cable. Further, the socket housing (450) has a hollow cylindrical body (451) extending beyond the body (431) and holding on its inner surface bridging contacts (456) each connecting with a respective contact (441) mounted in the insert and with an identical contact (441) of a complementary plug which is inserted into the hollow body (451).
Patent GB-1247669-A (GB)
Title: Moulding composition
IPC: C08L61/10
Filed: 1967-11-21
Abstract: 1,247,669. Moulding composition. COURTAULDS Ltd. 20 Nov., 1968 [21 Nov., 1967], No. 62868/67. Headings C3B, C3N and C3R. A moulding composition is prepared by incor-. porating carbon filaments in a liquid mixture of a thermosetting resin, spreading the mixture to enable the resin to cure to an intermediate curing stage and grinding the product to form the moulding composition. The resin may be a phenolic or epoxy resin and the composition may contain a curing agent. The fibres may have been carbonised at > 1000‹ C. and/or graphitized at > 2000‹ C.; they may be prepared from polyacrylonitrile.
Patent GB-528862-A (GB)
Abstract: 528,862. Ball and float valves. GODWIN, Ltd., H. J., and ORPET, G. C. May 12, 1939, No. 14244. [Class 135] A cistern supply valve particularly adapted for use on cisterns supplied by a power driven pump controlled automatically by a pressure switch is adapted to be latched in the open position and held in that position by a floatactuated catch until the cistern is nearly full when the catch is released and the valve closes with a snap action. The valve piston 2 which in the closed position obturates a side discharge port 21 has a reduced part 14 fitted with a leather washer 15 adapted to co-operate with a seating lip 13 on the casing around the inlet 16. The valve is actuated by a bell-crank lever 5 pivoted at 6 to a rod 7 carrying a float 10 and guided in a bracket 8, 9 secured to the valve casing. The locking device comprises a pivoted float 19 the arm of which carries a projection 20 adapted to pass through a slot 21 in the casing into engagement with a recess in the valve, member when the valve moves to the open position.
Patent GB-1240760-A (GB)
Title: Switching arrangements for alternating current
IPC: H03K17/79
Filed: 1969-10-29
Abstract: 1,240,760. S.C.R. switching circuits. BROWN BOVERI & CIE. A.G. 29 Oct., 1969 [2 Nov., 1968], No. 53013/69. Heading H3T. [Also in Division H2] A bidirectional semi-conductor controlled rectifier is triggered by a bi-stable transistor circuit electrically isolated from the rectifier. In Fig. 1, a triac TL is connected in series with a load V between A.C. terminals 1, 4. Initially a transistor T 1  is conductive and current flows through a lamp L 2  which illuminates a photoconductor F and maintains the triac off. If now a pulse is applied to a terminal 3, the transistor T 1  is burned off together with the lamp L 2 . The voltage across resistors R 6 , R 7  now increases sufficiently to turn on transistor T 2  and lamp L 1 . A subsequent pulse would again reverse the conductive states of the transistors. When the lamp L 2  is off, the photoconductor F changes its resistance and the triac TL is gated on. The components of the circuit are chosen so that switching occurs at zero voltage. In a modification, Fig. 2 (not shown), zero switching is ensured by connecting a pair of transistors between the junction of resistor R 8  and photo-conductor F and the A.C. terminal 4. When the lamp L 2  is on, these transistors are conductive and prevent current flowing to the gate of the triac. When lamp L 2  is off, the triac is gated on at the beginning of the next positive half-cycle, and a capacitor is charged in parallel with the load. This capacitor discharges in the following negative half-cycle to hold the triac on. The photoelectric coupling may be replaced by a thermistor arrangement, and pulses may be transmitted to the switching circuit by proximity, contact, or optically or acoustically controlled devices.
Patent GB-1454320-A (GB)
Title: Printing unit particularly intended for price labelling machines
IPC: B41J1/42
Filed: 1974-12-09
Abstract: 1454320 Selective printing O A E WALLMARK 9 Dec 1974 [4 Feb 1974] 53187/74 Heading B6F A printer, e.g. for a price-labelling machine, consists of a number of print wheels 21 each bearing print matrices a, o, n, m around its periphery and rotatably mounted on a carrier arm 22 which is pivoted at 25. The print wheels are continuously rotated by an advancement rod 17 which rotates about an axis 12 and engages notches 24 within the print wheels. A pin 31 on each carrier arm 22 engages a slot in the upper end of a pressure arm 34, the lower end of which is pivoted at 35 to the armature 37 of an electromagnet 19 or 20. Energization of the appropriate electromagnet pulls the connected pressure arm downwards until a shoulder 41 contacts a rotating impact rod 16 so that the upper end of the pressure arm is moved sideways and the associated print wheel thus brought to the printing position.
Patent GB-1532322-A (GB)
Title: Copolymers of bromoalkyl esters of unsaturated dicarboxylic acids
IPC: C08F20/00
Filed: 1976-12-21
Abstract: 1532322 Flame retardant plasticizers for plastics MONSANTO CO 21 Dec 1976 [22 Dec 1975] 53368/76 Headings C3K C3M and C3P [Also in Division C2] A copolymer of a bromoalkyl ester of formula where n = 0-4, n<SP>1</SP> = 0-4, x = 1-8, x<SP>1</SP> = 1-8, with an ethylenically unsaturated comonomer having a "reactivity value" [see Chemical Reviews, vol. 46, p. 212-222] such that the product of the reactivity value and the reactivity value of diethyl fumarate is <1, the copolymer being liquid at 25 C. Suitable unsaturated comonomers are triallyl cyanurate, vinyl acetate and ethyl acrylate and the molar ratio of bromoalkyl ester to comonomer is normally 1 : 1 to 20 : 1. The copolymers act as flame-retardant plasticizers for a different polymer such as polyethylene, polystyrene, an acrylonitrile/butadiene/styrene terpolymer or a polymethacrylate.