baber/WOPTO huggingface dataset:
Patent GB-1220027-A (GB)
Title: Transport flask for nuclear fuel elements
Inventor: CAPET HENRI
IPC: G21F5/06
Filed: 1969-08-22
Abstract: 1,220,027. Shielded transport flasks. COMMISSARIAT A L'ENERGIE ATOMIQUE. 22 Aug., 1969 [30 Aug., 1968], No. 42018/69. Heading B4Q. A flask comprises a solid cylindrical body 1, e.g. of mild steel or lead steel sandwich, having recesses 4 for receiving spent fuel elements. A shaft 8 fixed to the body 1 rotatably supports by bearings 20 a solid cover 10 of the same material as the body, this cover having an opening 14 which may be aligned with any one of the recesses 4. Bolts 48 may secure the cover 10 to the body 1. The flask is supported on a cradle 30 by rollers 28 carried on brackets 29, these rollers engaging grooves 26 formed in the body and cover. Half straps 32, 33 extending from the brackets 29 and fixed together above the flask clamp the latter to the cradle. In order to load the recesses 4 the straps 32, 33 securing the body 1 are slackened, the bolts 48 are removed and the body 1 is rotated to bring the recesses in succession in alignment with the opening 14, this rotation being performed by a motor 36 driving a threaded shaft 38 co-operating with a toothed ring 40 on the body. During transport the flask ends are protected by removable shockabsorbing caps 42, 44 and the body position " O," Fig. 2, is aligned with the opening 14, this body position not being provided with a recess 4. A removable plate 16 normally seals the opening 14 and extensions 6 of the recesses are normally closed by plugs 7. These plugs are removed to allow the insertion of rods to eject the fuel elements from the recesses.
Patent GB-889310-A (GB)
Title: Improvements in or relating to steroid compounds
IPC: C07J75/00
Filed: 1959-12-10
Abstract: The invention comprises steroid compounds of the general formula <FORM:0889310/IV (b)/1> wherein A and R each represent a hydrogen atom or methyl radical and wherein one of the radicals X and Y represents an alkanoylthio radical and the other represents a hydrogen atom or an alkanoylthio radical, the alkanoylthio radical containing less than 9 carbon atoms, and of the general formula <FORM:0889310/IV (b)/2> wherein A, R, X and Y have the above significance and M represents hydrogen, ammonium or an alkali metal. The compounds may be prepared by mixing a thioalkanoic acid of the formula Alkyl-CO-SH with a D 1- and/or D 6 dehydro derivative of the corresponding steroid compound of the general formula <FORM:0889310/IV (b)/3> wherein A and R have the above significance, to form the compounds of the first general formula above.  The compounds of the second general formula above are obtained by treating the compounds of the first general formula above with aqueous alkali to form the alkali metal and ammonium salts from which the free acids may be prepared by exposing the salts to a proton source.  In the examples the following compounds are prepared: 1a -acetylthio - 17a  - (2 - carboxyethyl) - 17b  - hydroxy - androst-4-en-3-one lactone, 17a -(2-carboxyethyl)-17b  - hydroxy - 1a - propionylthioandrost - 4 - en - 3-one, 7a -acetylthio-, 7a -propionylthio-, and 7a -octanoylthio - 17b  - hydroxy - 4 - en - 3 - one lactone, 1a , 7a  - diacetylthio - and 1a , 7a  - di - propionylthio - 17a  - (2 - carboxyethyl) - 17b  - hydroxyandrost - 4 - en - 3 - one lactone, 7a  - acetylthio - and 7a  - propionylthio - 17a  - (2 - carboxyethyl) - 17b  - hydroxy - 19 - nor - androst - 4-en-3-one lactone, and 7a -acetylthio-17a -(2-carboxyethyl) - 17b  - hydroxy - 6 - methylandrost - 4-en-3-one lactone.  17a  - (2 - carboxyethyl) - 17b  - hydroxy - 19 - nor - androsta - 4, 6 - dien - 3 - one lactone is prepared by reducing the corresponding 19-nor-androst-4-ene with chloranil.  17a  - (2 - carboxyethyl) - 17b - hydroxy - 6b  - methylandrost-4-en-3-one lactone is prepared by reducing the corresponding androst-4-ene with chloranil.
Patent GB-1499619-A (GB)
Title: Electrochemical oxygen production method and device
IPC: C25B1/02
Filed: 1976-10-11
Abstract: 1499619 Producing oxygen electrolytically SOC GENERALE DE CONSTRUCTIONS ELECTRIQUES ET MECANIQUES ALSTHOM ET CIE 11 Oct 1976 [29 Oct 1975] 42160/76 Heading C7B Oxygen is produced by reacting air in oxidation reaction chamber 6 in a neutral or basic medium (pH 7 to 10 or 14) with the reduced form of an (alkyl) anthraquinone derivative to obtain a peroxide capable of spontaneously decomposing into water or H 2 O 2  and into the oxidized form of the derivative, decomposing H 2 O 2  (if present) into water and oxygen in decomposer 7, and in an electrolyzer having anode and cathode compartments 4, 5 separated by a semi-permeable membrane 3 electro-chemically oxidizing the water to liberate oxygen via F 7  and reducing the oxidized form to regenerate the reduced form of the derivative via F 6 . The derivative may be anthraquinone 2, 7 Na or Li disulphonate and the basic medium may be alkali metal hydroxide e.g. KOH; a borate or carbonate buffer may be added to maintain the pH.
Patent GB-1151165-A (GB)
Title: Face-Bonded Semiconductor Devices
Inventor: IKEDA KOICHI
IPC: H01L23/498
Filed: 1967-09-18
Abstract: 1,151,165. Semi-conductor devices. NIPPON ELECTRIC CO. Ltd. 18 Sept., 1967 [17 Sept., 1966], No. 42448/67. Heading H1K. A face-bonded semi-conductor device comprises a semi-conductor element, Fig. 1a, having metallic electrodes 5, 5<SP>1</SP> comprising both narrow regions and broad regions on one surface thereof and an insulating substrate, Fig. 2, having metallic terminals also comprising both narrow regions and broad regions, the metallic electrodes and/or metallic terminals being coated with a solder and then bonded one to the other at co-operating ones of said broad regions by the application of heat. The maximum dimension of the broad regions does not exceed 2 mm. so that the solder thereon takes up a substantially semicircular section; the width of the narrow regions is at least 30 microns less than that of the broad regions so that the solder on the broad regions protrudes above that on the narrow regions by at least 15 microns. The triangular portions of the terminals shown in Fig. 2 serve for the connection of lead-out conductors. The assembled device is then embedded in an epoxy resin, Figs. 4a, 4b (not shown). The particular element illustrated in Fig. 1a comprises a planar type transistor having emitter and base regions on the surface shown; the semi-conductor is silicon and the electrodes are aluminium plated with nickel and gold and these are coated with an indium solder. The substrate is of glass bearing a film of tin oxide and goldplated nickel terminals. The solder used on the substrate is a tin-lead alloy. Alternative materials may be used; thus the semi-conductor material may be silicon, germanium or a III-V compound, the solders may be Sn-In, In, Sn-Pb, Pb-Cu, Sn-Sb, Sn-Au, Pb-Sn-Ag, Pb-Sn, Pb-Ag, Au-In, Cu-Sn, and the metallic coatings Au, Ag, Cu, Ni, Pt or an alloy thereof deposited on Al, Mb, Ti, Cr or W in the case of the semi-conductor and deposited on tin oxide or lead oxide in the case of the substrate. The substrate may be of glass, ceramic or devitrified glass. Fig. 5 (not shown) shows an alternative embodiment comprising a semi-conductor integrated circuit face-bonded to a substrate and then sealed in a glass container having lead-out conductors hermetically sealed through its walls.
Patent GB-1111768-A (GB)
Title: Tactical landing approach radio
IPC: G01S13/42
Filed: 1965-10-06
Abstract: 1,111,768. Aircraft landing system. GENERAL PRECISION Inc. 6 Oct., 1965 [27 Nov., 1964], No. 42489/65. Heading H4D. The invention relates to an improvement of the aircraft landing system disclosed in Specification 965,326, wherein, to overcome leakage interference between the reference signal output of the frequency discriminator and the direction dependant signal output of the amplitude modulation detector, the signals being of equal frequency in said prior landing system, the reference signal at the ground transmitter is frequency divided before being applied to frequency modulate the transmitted beam, and the output of the frequency discriminator is correspondingly frequency multiplied to produce the two required equal frequency signals for phase comparison. In addition, it was found that with the prior landing system, a slight movement of the aircraft off of the glide path, when near the ground transmitter, caused over rapid movement of the indicator pointers. To overcome this the deflector coils for the pointers are increasingly damped as the aircraft approaches the ground transmitter. Each coil is thus shunted by two transistors connected to each other by mutual emitter to collector connections, said connection points being connected to either end of the coil and exhibiting an impedance therebetween controlled by the automatic gain control signal of the system fed to the bases of the transistors.
Patent GB-1390877-A (GB)
Title: Apparatus for reproducing coloured still picture image
IPC: H04N9/79
Filed: 1973-09-11
Abstract: 1390877 Colour television MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 11 Sept 1973 [14 Sept 1972] 42580/73 Heading H4F A colour still picture is reproduced from a colour television signal by compressing each line period of the two chrominance signals X and Z into half a line period and converting the compressed signals into a time sequential signal which is stored on a storage tube 110, the luminance signal being stored on a second storage tube 102. The time sequential chrominance signals read out from the storage tube 110 are time expanded and rendered simultaneous by means of a half line period delay line and supplied together with the read out luminance signal from storage tube 102 delayed by one line period to a colour display tube.
Patent GB-1147800-A (GB)
Title: Variable delay combustible fuse and propellant charge device
IPC: F42C14/02
Filed: 1966-09-23
Abstract: 1,147,800. Delay fuzes. A.A.I. CORP. 23 Sept., 1966 [24 Sept., 1965], No. 42680/66. Heading F3A. A variable delay combustible fuze particularly for dispensing grenades comprises a primer 33 in ignition communication with a propellant charge C through a combustible charge 65 in a body 63, and a combustible charge 51 extending longitudinally along the interior wall of a body 43 and having a different burning rate to the charge 65, the body 63 having at least two longitudinally and angularly spaced ports such as that at 69a, one of which is aligned with the charge 51 on relative rotation of the two bodies to select the desired delay. The ports contain flash charges 67. Rotation of the body 63 is by a selector 23 keyed thereto by interfitting flats. The fuze is fitted into a well 19 in a dispensing grenade 13 and the primer 33 is detonated by a striker 15a on release of a handle 15. The gas produced by the burning of the propellant charge C ejects a disc 45, ruptures the well bottom 19c, and drives a piston 81 to expel a charge 85 of gas, particles and/or liquid through a port uncovered by the ejection of a plug (13a, Fig. 4, not shown) from the base of the grenade. Selector 23 co-operates with engraved markings on the grenade.
Patent GB-1010807-A (GB)
Title: Power supply regulation system
IPC: H02M3/137
Filed: 1961-11-29
Abstract: 1,010,807. Automatic voltage control. WESTERN ELECTRIC CO. Inc. Nov. 29,1961 [Dec. 19, 1960], No. 42788/61. Heading G3R. In an automatic D.C. voltage regulator of the kind in which a PNPN semi-conductor switching device is connected between the source and the load and is pulse-width modulated to maintain the output voltage constant, the switching frequency is 5 kc/s to simplify smoothing. The input, which is rectified and partly-smoothed alternating current, is supplied to the load 26 through an inductance 23 and a switching circuit 22 including a first PNPN device 18. Device 18 is periodically switched off by a 5 Kc/s relaxation Oscillator formed by a double base diode 31 and the RC circuit 35, 36. Pulses from this oscillator cause a second PNPN switching device 12 to conduct, the resulting drop in anode voltage being momentarily transferred by capacitor 17 to the anode of device 18 so that 18 ceases to conduct; the circuit arrangement is such that the PNPN device 12 is again rendered non-conductive when device 18 is turned off. After an interval proportional to load voltage error, device 18 is caused to conduct again. A transistor 52 compares a portion of the load voltage tapped off a potential divider 59 with a Zener diode 57 and the resultant error voltage is applied to one base of a double base diode 43. The higher the output voltage the higher is the base voltage. The second base provides the turn-on pulse to PNPN device 18 when the emitter voltage of diode 43 rises above that of the controlled base. The emitter voltage is a saw-tooth obtained by charging a capacitor 42 through a resistor 41 whenever device 18 is non-conducting. Therefore the higher the load voltage, the longer the delay before PNPN device 18 is turned on, whereby variations are corrected and the load voltage maintained at a constant value. Specification 956,450 is referred to.
Patent GB-1501779-A (GB)
Title: Vehicle safety devices
IPC: F02B1/04
Filed: 1976-10-15
Abstract: 1501779 Vehicle safety systems SPENCER & SONS (MARKET HARBOROUGH) Ltd 15 Oct 1976 42861/76 Heading G4N A vehicle, e.g. an hydraulic tower wagon, has a part movable between a stowed position and an operable position, switches being arranged to be operated when the part takes up its stowed position and when the clutch is operated, the switches being arranged in an electrical circuit so that the engine is stopped if the clutch is operated when the movable part is not in the stowed position.
Patent GB-927322-A (GB)
Title: Improvements in or relating to electric switches for reversing electric motors
IPC: H01H21/58
Filed: 1959-12-18
Abstract: 927,322. Control of motors; controllers; snap-action switches. ELECTROLUX A.B. Dec. 18, 1959 [Dec. 23, 1958], No. 43041/59. Classes 38 (3) and 38 (5). The agitator of a washing-machine is driven by a universal motor of the reversible series type which is coupled through worm 28 with wormwheel 29 carrying pin 30 adapted to drive arms 32, 33. This displaces rod 37 so that frame 71 moves to the right and spring 83 is tensioned since frame 70 is locked by bar 72. After the frame 71 has moved so far to the right that its wall 81 engages projection 77 on locking-bar 73, the wall 81 reaches projection 78 on locking- bar 72 to release the frame 70. The spring 83 then drives the frame 70 and operating member 86 towards the right, this movement being retarded by a piston working in cylinder 90 having a restricted air-passage 93. During movement of the member 86 to the right, it first disengages arm 48 to open switch 51 and interrupt the motor circuit. The energy stored in the spring 83 continues to displace the member 86 until it engages arm 49 to close switch 52. The motor is then started in the reverse direction. The pin 30 moves away from the arm 32, the member 86 remaining stationary until the pin re-engages the other side of the arm. Subsequent operation is similar to that described, the motor being continuously reversed, with periods of stand-still between reversals.
Patent GB-1059270-A (GB)
Title: Improvements in joints for electric cables
Inventor: GOSLING CYRIL HENRY
IPC: H02G15/24
Filed: 1964-10-23
Abstract: 1,059,270. Enclosing cable Joints: BRITISH INSULATED CALLENDER'S CABLES Ltd. Oct. 22, 1965 [Oct. 23, 1964], No. 43355/64. Heading H2E. A joint for metal sheathed fluid impregnated power cables has a fluid-tight metal enclosure 14, 18, 21, 23, 19, 15 sealed to the sheaths of the two cable lengths, which is divided into at least three parts, including a central part 23 which surrounds the joint between the cable conductors, and which is electrically insulated from the sheaths of the cables by means of insulating rings 22, 24. One of the end sections 14, 18, 21 is split into two sections, namely a tapering section 14, 18 and an island section 21, which are separated by another insulating ring 20. The ends of the main enclosure are surrounded by two supplementary enclosures 25, 26 of insulating material which may be filled with a hard setting compound such as bitumen. The outer conductor of a bonding cable 30 is connected to a terminal lug 33 on the section 18, and the inner core is connected via a terminal 35 and a flexible strip 36 to a perforated cylindrical metal screen 11 embedded in a paper roll 10, the other end of the screen 11 being connected via a tapered metal bell 37 to the cable sheath 17. The tapered end parts of the built-up insulation of the connection of the cables are provided with stress screens 5 and 6 of lead wire which are connected to dielectric screens 7. 8. In a modification, Fig. 3 (not shown), the " island " part 21 and the rings 20, 22 may be replaced by a single -ring 41 through which the inner core of the bonding cable is connected to the metal screen 11. The paper roll is replaced by a perforated tubular body 44, 45 of synthetic resin, bonded directly to the inner surface of the ring 41. In a further modification, flanged tubular metal parts 50 and 62, Figs. 4 to 7 (not shown), are plumbed to the sheaths of the cables. The outer conductor of the bonding cable is connected directly to the section 50 while a connection is made from the inner core to the screen 11 through the insulating ring 51. The outer surface of the central portion of the enclosure may be made corrosion resistant and fitted with a heat exchanger.
Patent GB-1011030-A (GB)
Title: Improvements in or relating to inflating valves
Inventor: FRIEDLAND SIEGMUND
IPC: F16K15/20
Filed: 1964-10-24
Abstract: 1,011,030. Valves. FRIDO Ltd. Oct. 24, 1964, No. 43453/64. Heading F2V. A valve for sealing an inflatable hollow object comprises a plastics sleeve 11, integral with said object, which grips a valve member 13 by means of its natural resilience and the pressure within the object. The member 13 comprises a cylindrical body 14 with an eccentric bore 15, terminating in a smaller partly rectangular bore 16. A cylindrical stem 17 extends from the end of the body and its axis is also eccentric with respect to the axis of the body. A small tab 18 prevents rotation of the member 13 within its seat whilst threads 19 are provided at the entrance to bore 15 to permit the removal of the member 13 by a threaded pulling adaptor, such as the adaptor of the inflating pump. Specification 898,538 is referred to.
Patent GB-1434949-A (GB)
Title: Means for protecting a towing or mooring cable bulkable polyester yarns
IPC: D07B1/00
Filed: 1973-09-19
Abstract: 1434949 Sleeves for ropes HALLAM POLYMERS & ENG Ltd 6 Sept 1974 [19 Sept 1973] 43882/73 Heading D1T A sleeve of resilient wear-resistant material, longitudinally split into two separate parts 3A, 3B, has at least one longitudinally extending flat face 2 and means for securing the two parts 3A, 3B of the sleeve together. In Fig. 2 each of the parts 3A, 3B include metal straps 8A, 8B bonded into the resilient material, the parts 3A, 3B being joined together by screws 5 passing through the straps 8A and being threaded into the straps 8B. Lengths of rod 14 welded to the straps assist in keying the resilient wear-resistant material to the straps. The bore 15 may be a grip fit, or a sliding fit, on the cable. The ends of the sleeve are tapered. The sleeve may be of polyurethane but any suitable synthetic rubber or plastics may be used.
Patent GB-1493635-A (GB)
Title: Filter apparatus
IPC: B01D29/11
Filed: 1975-10-24
Abstract: 1493635 Filters K SCHULTE 24 Oct 1975 [25 Oct 1974] 43916/75 Heading B1D A filter comprises a frusto-conical or conical filter element I having slots 10, covering filtrate-receiving container 2 and extruding into container 3 which has inlet 11 and blades 6 mounted on rotatable shaft 9. In use the blades impel the liquid to be filtered towards the filter element 1 and the separated solids towards the bottom of the filter element for removal through channel 7 and outlet 13. The filter has means for applying a positive pressure to container 3 means for applying suction to container 2. The slots may vary in length. A plurality of filters may be connected in series, the slots of the filter elements decreasing in width in the direction of liquid flow.
Patent GB-1100788-A (GB)
Title: Method of making extruded thermoplastic foam materials
Inventor: RICHTER SVEN UNO KARL AVID
IPC: C08J9/04
Filed: 1965-10-18
Abstract: Process for extruding a thermoplastic polymer foam comprises adjusting the melt flow of the polymer by introducing a softening agent, feeding the polymer so adjusted into an extruder, introducing into the extruder an expanding agent and extruding a foam product. The preferred polymer is general purpose polystyrene although polyvinyl chloride or polyolefines such as polyethylene and polypropylene may be used.  Softening agents include propellants or expanding agents such as pentane, propane, butane, hexane and petroleum ether having a boiling range from 30-60 DEG  C., when added in an amount less than that required to produce foamable material, i.e. 3% in the case of propellants and 4% in the case of expanding agents by weight of the polymer. Other suggested softening agents are cyclohexane for polypropylene, methyl ethyl ketone or low molecular weight polyvinyl chloride polymers for polyvinyl chloride and impact polystyrene containing butadiene rubber for general purpose polystyrene.  Conventional expanding agents which may or may not be identical to the above softening agents are employed.  The polymer and softening agent are blended in a jacketed closed ribbon blender flushed with carbon dioxide and the blend may be stored prior to extrusion.  The treated polymer, optionally mixed with nucleating agents and plasticizers, is then fed to a conventional injection extruder and the blowing agent is injected at a temperature from 250 DEG  to 350 DEG  C.  Nucleating agents used are talc or a mixture of sodium bicarbonate and citric acid. Suggested plasticizers are toluene, xylene, di-2-ethylhexyl-phthalate, dibutyl-phthalate and triphenyl phosphate.  Mineral oil, stearic acid, stearates or finely ground silica may also be added.  The product is preferably extruded as a foamed sheet.
Patent GB-1522608-A (GB)
Title: Apparatus for and method of pulse-echo examination
IPC: G01S15/89
Filed: 1974-10-11
Abstract: 1522608 Ultrasonic inspection devices NATIONAL RESEARCH DEVELOPMENT CORP 3 Oct 1975 [11 Oct 1974] 44090/74 Heading G1G In pulse-echo examination of animal tissue, pulses of wide frequency spectrum ultrasonic vibrations are used, the derived echoes being amplified in an amplifier 4 the gain of which is varied to compensate for attenuation, the gain control signal 18 being derived by filtering, 8, 9, two different frequency components from the received echoes, taking their logs, 10, 11 and subtracting one from the other, 12. A smooth time dependent gain control signal T is also generated, subtracted at 14 from the output of 12 and added to the result at 16. A threshold circuit 22 disables gate 23 when the filtered components drop to a too low level (leading to instability 21 in the control signal) the signal T acting alone in this event. Switch 19 enables selection of the T signal only. A differentiator 17 derives an A-scan 24 of the attenuation producing character of the tissue. B- scans 30, 31 of the pulse-echo signal 7 and attenuation signal 24 respectively may be produced and signals 7, 30, 28, 24 and 31 may be photographed.