baber/WOPTO huggingface dataset:
Patent GB-1404328-A (GB)
Title: Rotary internal combustion engine
IPC: F01C20/14
Filed: 1972-10-12
Abstract: 1404328 Rotary I C engines NISSAN MOTOR CO Ltd 12 Oct 1972 [18 Oct 1971 3 April 1972] 47102/72 Heading F1F A trochoidal-type rotary piston internal combustion engine has a plurality of partitions 24 in the inlet passageway 22 formed parallel to the direction of flow of the intake charge, and a valve 28 for controlling the effective cross-section of the flow passages formed by the partitions 24. The partitions prevent flow from the exhaust chamber into the suction chamber as the apex seal therebetween passes the intake passage. While the valve shown is a butterfly valve, alternatives are possible, i.e. a non-return reed valve for each flow path between the partitions Fig.2 (not shown); two reeds attached at one end each to opposite sides of the intake passage with their free ends co-operating to form a non-return valve Fig.4 (not shown); a rotary valve Figs. 5 to 6C (not shown); a slide valve Fig.7 (not shown); and a plurality of smaller butterfly valves Fig.8 (not shown). The profile of the intake port leading into the chamber may be circular, square or triangular Figs.9A, 9B, 9C (not shown).
Patent GB-1108433-A (GB)
Title: Improvements in or relating to roof structures
Inventor: TREVELYAN LESLIE CALVERLEY
IPC: B60P3/34
Filed: 1963-11-29
Abstract: 1,108,433. Convertible vehicles. AUTOSLEEPERS Ltd. 27 Nov., 1964 [29 Nov., 1963], No. 47195/63. Heading B7B. The subject-matter is identical with that of Specification 1,108,432 but the claims differ.
Patent GB-1063830-A (GB)
Title: Stand for electrical soldering irons
IPC: B23K3/02
Filed: 1964-11-19
Abstract: 1,063,830. Soldering. G. YGFORS. Nov. 19, 1964 [Nov. 29, 1963], No. 47203/64. Heading B3R. A stand for an electrical soldering iron comprises a frame having rear supporting means to support the iron from below between its centre of gravity and bit and front supporting means to support the soldering head of the iron from above, the front supporting means being adjustably displaceable. A bottom plate (1), Fig. 1 (not shown), of iron or asbestos cement supports two iron, aluminium or copper side members (3), (4) connected together by an integral or separate end plate (5) slotted to receive the shaft of the iron (7). A support (8) to engage the top of the bit (14) is secured to the members (3), (4) by screws (10) engaged for adjustment in arcuate slots (11) in the members (3), (4). The support (8) of the same metal as members (3), (4) may be of rectangular, circular or elliptical cross-section and may be a straight plate which may be recessed to receive the bit. The members (3), (4) may be perforated at (15) to control the cooling.
Patent GB-1044529-A (GB)
Title: Coating webs
Inventor: SHAPIRO URIEL GEORGE
IPC: B05B5/14
Filed: 1962-12-14
Abstract: 1, 044, 529. Coating webs. COMMERCIAL PLASTICS Ltd. Dec. 3, 1963 [Dec. 14, 1962], No. 47310/62. Heading D1L.  An electrically non-conducting web 10 is coated on both sides by being passed between spray heads 12, 13 across which a high tension electrostatic field is maintained. The spray heads may be mechanical atomizers but, as shown, they are preferably an electrostatic type. Each head comprises a base plate 15 supported by brackets on insulators 17, a trough 18 to which coating liquid is passed by a pipe 20 and over a weir-forming edge of which the coating liquid passes to flow down the blade 15, a retainer blade 22 having a lower edge 23 closely approaching the blade 15 and supporting brackets 24 provided with screw means to adjust its separation from the blade 15. The spray heads are charged to high, equal and opposite potentials, brass spheres 25 being provided on the corners of the plates 15 to control the field in these regions. Alternatively each spray head comprises an inclined doctor blade having a feed roller in contact with the upper edge thereof. Drying apparatus e.g. an oven 14 may be provided. The distance between the edge of the blades 15 and the web is preferably between 4 and 7 inches while the potential on each head is in the range 55-125 kV. Examples are given of (a) coating a paper web with polyvinyl chloride and (b), coating a polypropylene web with polyvinylidene chloride; details of the constituents of the coating composition and drying temperatures being given in each case.
Patent GB-1313069-A (GB)
Title: Saddletype branch pieces for pipes
IPC: F16L41/04
Filed: 1971-10-13
Abstract: 1313069 Pipe branches UPO OSAKEYHTIO 13 Oct 1971 [13 Oct 1970] 47650/71 Heading F2G A saddle branch piece 2, for connection to a main pipe 1, comprises a socket end 4, a guide ring portion 6 for insertion into a hole in the main pipe 1, fastening means 7 for engagement below the edge of the hole and a resilient flange 5 having a groove 8 to receive a packing ring 3. In one embodiment, as shown, the fastening means 7 comprises a plurality of resilient hooks which yield when the guide-ring 6 enters the hole in the main pipe 1 to snap under the edge of the hole. The socket portion 4 may extend at other angles from the flange 5 than that shown. In another embodiment, a separate split-ring (11) (Fig. 4, not shown) constitutes the fastening means and comprises a flange which engages the inside periphery of the pipe hole and has a tubular portion with grooved surfaces which is pressed between bifurcated wall portions (9) on the branch piece also grooved to form complementary locking hooks. In a further arrangement, the inner wall of the bifurcated portion has apertures (12) (Fig. 5, not shown) into which engage hooks (13) at the end of a split-ring 11. In a still further arrangement, a separate flanged fastening ring (11) (Fig. 6, not shown) has hook portions (17) on an external wall formed by grooves which engage corresponding hook portions (18) in the bore of the branch piece to fasten the branch piece to the main pipe.
Patent GB-1082870-A (GB)
Title: Gasoline octane determination
IPC: G01N33/28
Filed: 1965-11-10
Abstract: 1,082,870. Automatic control of octane rating. E.I. DU FONT DE NEMOURS & CO. Nov. 10, 1965 [Nov. 10, 1964], No. 47764/65. Heading G3R. [Also in Divisions F1 and G1] The octane rating of a fuel in a production line 13, Fig. 1, is compared with that of a standard or prototype fuel which is fed, at 17, with a sample of the production fuel, at 15, to a system 16, which includes a spill-type carburetter, the two fuels being supplied alternately for predetermined periods of time and at a constant fuel to air ratio to a "knock" test engine 18, having a detonation meter 19, 20 which measures the knock intensities of the fuels, these being compared in a computer 23. A measured difference in octane ratings is used to control the amount of antiknock agent added, at 11, to a blender 12, or to control an earlier stage of the fuel production line. The computer is initially calibrated by supplying the engine, in turn, with two primary reference fuels, A, B, of known octane ratings, and using the computer to measure the (known) difference between them. The detonation meter is arranged to have a large time constant while measuring each of the production line and prototype fuels, to prevent it from being too sensitive to short term instabilities in the system; and to have a short time constant during the changeover from one fuel to the other, to ensure that it settles down to an accurate and steady measurement of the new fuel as quickly as possible. The computer is controlled by a programmer 26, which sets the application times of the two fuels, adjusts the time constant of the meter at the appropriate times, and arranges that the octane comparison is carried out by the computer at the later stages of each fuel application period. When it is required to produce a fuel of slightly different octane rating, without having to change the prototype fuel used for comparison, the computer is preset to maintain this slight difference. In the fuel supply system, Figs. 2 and 3 (not shown) the two fuels are passed through respective filters (31, 32), valves (36, 37) and a chiller unit (35) to ensure a common temperature, and then to outlets (55) and (58). The outlets (55, 58) are laterally slidable, and are arranged so that one outlet passes fuel to a chamber (51) from which it passes via a needle valve (53) and a Venturi (50) to the engine, while the other outlet passes the second fuel to a spill trough (57) and drain (58). Solenoids (61, 62) are used to position the appropriate outlet over the chamber (51) and when the prototype fuel is not being used a further solenoid (38, Fig. 2) closes the valve (37) to avoid wastage.
Patent GB-1048057-A (GB)
Title: Photographic materials
IPC: G03C1/34
Filed: 1964-11-26
Abstract: 1,048,057. Photosensitive silver halide materials. Nov. 26, 1964 [Jan. 3, 1964], No. 48170/64. Heading G2C. Haze is reduced in a gelatin-silver halide emulsion containing an agent which increases the covering power of the developed silver, such as dextran or polyvinyl pyrrolidone, by incorporating in the emulsion 2 to 15 parts by weight of an alkali metal or ammonium sulphate per 100 parts by weight of gelatin. The sulphate may be added to the emulsion as an aqueous solution at any stage after the final washing and preferably just prior to coating.
Patent GB-1407534-A (GB)
Title: Method for removing radioactive gases from a nuclear reactor
IPC: G21C19/307
Filed: 1973-10-17
Abstract: 1407534 Treating nuclear reactor coolants WESTINGHOUSE ELECTRIC CORP 17 Oct 1973 [17 Oct 1972] 48329/73 Heading G6C Radioactive gases are removed from liquid nuclear reactor coolant by partially draining the coolant from the reactor, introducing an inert gas into the space formed, circulating the coolant through the reactor to facilitate release of radioactive gases from the coolant into the inert gas, and then withdrawing the inert and radioactive gases from the reactor. More inert gas may then be introduced into the reactor and the process repeated. The withdrawn gases may be passed through a condenser to separate water and then compressed and led to decay tanks. Any hydrogen present may be catalytically combined with oxygen to form steam which is condensed and removed. As described the coolant is water and the inert gas nitrogen, although argon and helium are also referred to.
Patent GB-1149958-A (GB)
Title: Improvements in or relating to ventilators
IPC: F24F7/02
Filed: 1966-10-28
Abstract: 1,149,958. Roof ventilators. LENSCRETE Ltd., and W. F. GOUGH. 16 Oct., 1967 [28 Oct., 1966], No. 48508/66. Heading F4V. [Also in Division A5] A building or vehicle roof ventilator comprises a cover formed by two flaps 15 hinged at 18 to a square or rectangular throat 10 and in their closed positions (Figs. 1, 2, not shown), having sides 16 vertical and tops 17 extending inwardly over a gutter 13 fixed at its ends by plates 14 above the throat 10. The flaps 15 are spring urged at hinges 18 towards their open positions and are controlled by cords (19) (Fig. 2) attached to sides 16 and passed through rings 22. Alternatively, one of the flaps 15 may be fixed. For simultaneous control, the cords (19) are joined at a point (20) to form a single cord which includes a fusible link to ensure opening of the flaps in the event of a fire. The joining point (20) may be chosen to limit the fully opened positions of the flaps. The flaps 15 have closed ends 23. In other embodiments, the tops 17 of the flaps 15 are provided with downwardly projecting flanges (30, 33, Figs. 4, 5 and 6, 7 respectively, not shown), the flanges (33), in the closed positions of the flaps, forming a V-shaped channel above the gutter 13, which in this form is narrower than that shown. When there is only one hinged flap 15, its top 17 may be wider or narrower than that shown.
Patent GB-1070680-A (GB)
Title: Improvements in or relating to positioning apparatus
IPC: G11B21/10
Filed: 1965-11-16
Abstract: 1,070,680. Positioning systems; data storage. INTERNATIONAL BUSINESS MACHINES CORPORATION. Nov. 16, 1965 [Dec. 21, 1964], No. 48531/65. Headings G4C and G4H. Apparatus positioning a movable member relative to a rotatable disc bearing a positiondefining pattern, compares the desired and actual radial positions to generate an error signal, and also generates timing signals indicative of the rotation of the disc. A reference pattern (30) on a magnetic disc store (10) comprises "spokes," each with a radial edge and an edge which is part of an Archimedean spiral. A radially movable transducer assembly (12) bearing the magnetic read-record heads also delivers light to the pattern (30) and routes reflected light to a detector (50). Time base pulses are derived from crossing of the radial edges of the pattern (30) and pulses indicating by their timing the radial position of the transducer assembly (12) are derived from crossing of the spiral edges. The relative phase of the time base pulses and the overflow pulses from a recycling binary counter (72) fed by an oscillator (73) is used to adjust the oscillator frequency so that the relative phase is zero. The counter (72) reading is compared (80) with the required radial position (address) from a computer (16) to produce a pulse train the phase of which is compared (90) with that of the actual-radialposition pulses to produce an amplitude-significant error voltage which controls the transducer (12) position through a velocity feedback position servo (100). As a modification, the store may be a magnetic drum, both edges of the pattern strokes being linear. The optical sensing of the reference pattern could be replaced by magnetic or radiation sensing.
Patent GB-1285891-A (GB)
Title: Improvements in or relating to the treatment of minerals
Inventor: MALDEN PETER JAMES
IPC: C01F11/18
Filed: 1968-10-15
Abstract: 1285891 Bleaching alkaline earth metal carbonates ENGLISH CLAYS LOVERING POCHIN & CO Ltd 9 Oct 1969 [15 Oct 1968] 48798/68 Heading C1A An alkaline earth metal carbonate is bleached by contacting with a gas comprising ozone at below 20‹ C. The carbonate may be ground, either before or during contact with the ozone, so that at least 60% of the particles by weight are smaller than 2 microns equivalent spherical diameter. The carbonate may be in the form of an aqueous suspension, preferably containing a dispersing agent, which may be a salt of a polyacrylic or a polymethacrylic acid. The gas comprising ozone may be ozonized air or oxygen containing from 0À1 to 15% ozone by weight. The required bleaching can usually be achieved by contact for from 1 minute to 5 hours. Starting materials referred to are limestone, chalk whiting, dolomite, strontianite and witherite.
Patent GB-1354397-A (GB)
Title: Drying cyed fabrics
IPC: F26B13/02
Filed: 1971-10-21
Abstract: 1354397 Drying dyed fabrics BRUCKNERAPPARATEBAU GmbH 21 Oct 1971 [21 Oct 1970] 48876/71 Heading D1L Apparatus for drying fabrics dyed on a beam by organic solvent dyestuff solutions comprises a drying device 2 having an upper chamber 15 into which a carriage 3 containing a rotatable dyeing beam 4 is moved from the dye bath (1) [Fig. 1, not shown] and a series of lower drying chambers 10, 11, 12 containing a conveyor belt 13 onto which the dyed fabric is unwound for drying, the first lower chamber 10 lying beneath the upper chamber 15 and communicating therewith via apertures 14 through which the fabric 16 and organic solvent vapours descend.
Patent GB-1367954-A (GB)
Title: Energy absorbing devices for vehicles
IPC: B60R19/40
Filed: 1971-10-21
Abstract: 1367954 Vehicle bumpers; crash restraint bags REGIE NATIONALE DES USINES RENAULT and AUTOMOBILES PEUGEOT 21 Oct 1971 [30 Oct 1970] 48941/71 Headings B7J and B7B [Also in Division F2] An energy absorbing device comprises a bumper 1 and movable supporting members 2 adapted to be carried by a motor vehicle body 3 so that the bumper 1 may be brought from a retracted inoperative position close to the body 3 to an extended operative position as shown, and expandable energy absorbing elements such as inflatable bags 5 carried in the bumper 1 and adapted to be released and expanded when the bumper, in its extended operative position, receives a shock, whereby they assume an operative inflated position 4 interposed between and acting against the bumper 1 and the body 3. The inflatable bags 5 each comprise a source of gas controlled by a release member responsive to shocks, such as an inertia fuse, and the respective inertia fuses may be calibrated for different deceleration values. The pressure within the inflated bags 5 is kept substantially constant by means permitting exhaust of gas in proportion to increase of internal pressure. These means may be localized weaker areas or apertures in the surface of the bags 5, or a number of valves calibrated to different pressure values.
Patent GB-1114370-A (GB)
Title: Buffer assembly
IPC: F41A3/70
Filed: 1966-11-01
Abstract: 1,114,370. Buffers. COLT'S Inc. 1 Nov., 1966 [18 April, 1966], No. 48948/66. Heading F2S. [Also in Division F3] A buffer for an automatic firearm having a bolt assembly comprises a body 66 housing a plurality of weights 80, the weights 80 being separated from each other and from the forward end of the buffer body by washers 82 of a material having a very low coefficient of restitution. The rear end of the body 66 is closed by a plug 72 held within the body by a pin 74 and by crimping the body at several points into a groove 79 of the plug. The orimping seals the buffer cavity. The plug is provided with a bumper 76 of, for example, polyurethane of high durometer hardness. The weights 80 are able to move relatively to each other and the buffer body 66 such that on the bolt assembly being locked in the battery position the weights are urged forwardly in the body to oppose any rebound motion of the bolt assembly.
Patent GB-1085948-A (GB)
Title: Improvements in switching circuits for controlling lamps
IPC: H05B39/09
Filed: 1963-12-12
Abstract: 1,085,948. Photo-electric waveform generators. R. GOUDIE. Sept. 28, 1964 [Dec. 12, 1963], No.49068/63. Heading G1A. [Also in Divisions G4 and H3] In a switching circuit for effecting the periodic flashing of a lamp, the current through the lamp is controlled by a silicon controlled rectifier. In one embodiment, Fig. 1, capacitor C1 charges from the A. C. supply via the bridge rectifier until the voltage across it is sufficient to energize relay RE1, closing contacts A and firing the controlled rectifier SCR. Since the rectifier supply to the SCR provides a series of half cycle pulses the SCR is fired and extinguished every half cycle as long as contacts A are closed and the lamp L remains lit without flicker. With the SCR fired, the voltage across the potential divider R1, R2, R3 is reduced, and capacitor C1 discharges through the relay RE1 until it releases. When the SCR next becomes extinguished, it remains extinguished until capacitor C1 recharges and the cycle repeats. In a modification, Fig. 2 (not shown) the relay is replaced by a Zener diode. In a second embodiment, Fig. 3, the flashing rate of the lamp is determined by the illumination falling on a cadmium sulphide cell PE. The cell, normally in darkness, is subjected to periodic pulses of light by means of a rotating shutter or apertured disc, which turns on transistor TR to fire the SCR. Two or more flashing circuits may be connected to the same supply.
Patent GB-1036210-A (GB)
Title: Variable-ratio transmission
IPC: F16H37/04
Filed: 1963-12-12
Abstract: 1,036,210. Change-speed control; clutches. INTERNATIONAL HARVESTER CO. Dec. 12 1963 [Jan. 16, 1963], No. 49107/63. Headings F2C and F2D. A two-speed tractor drive comprises high and low ratio trains 28, 38 and 30, 40. between shafts 12, 32 and engaged by separate fluidpressure operated disc clutches 46, 58, the latter having an associated one-way clutch 82 arranged in parallel. Drive is normally transmitted through the high ratio train 28, 38, the clutch 46 being engaged by an annular piston 56, and the light duty lock-up clutch 58 released with the one-way clutch 82 overrunning. Low ratio is engaged by releasing clutch 46 and engaging clutch 58 by a second piston 66, the clutch initially acting as a brake to decelerate pinion 30 and idler shaft 26, and engage clutch 82, drive from shaft 12 then passing through the clutch housing member 16, clutch 82, shaft 26 and gear train 30, 40. After initial engagement of lock-up clutch 58, the latter engages in parallel with clutch 82 and the timing of fluid-pressure application to clutch 58 in relation to release of main clutch 46 is not critical.
Patent GB-1362804-A (GB)
Title: Freezing apparatus having a rotatable annular table
IPC: F25D13/06
Filed: 1971-10-22
Abstract: 1362804 Rotating freezing tables BRODRENE GRAM AS 22 Oct 1971 [27 Oct 1970] 49272/71 Heading F4H The lower surface of a rotating annular table formed of segmental sections 1, 2 is cooled by the action of a freezing medium which also passes through radial open-ended duets 10 formed by co-operating U-shaped plates 8, 9 adjacent each edge 6, 7 of the sections The co-operating plates have downwardly extending flanges 11, 12 which lie closely adjacent each other to define a narrow slit therebetween through which the medium flows into the ducts. The flanges 11, 12 may be flat as shown or of sinuous form. Pockets 5 formed in the sections for the reception of products to be frozen project downwardly from the lower surface of the table and the flanges defining the slit may be of at least the same depth as the pockets.
Patent GB-1087269-A (GB)
Title: Improvements in slag removal plants
IPC: C21B3/06
Filed: 1964-12-04
Abstract: 1,087,269. Removing slag from beds. F. FORSCHEPIEPE. Dec. 4, 1964, No. 49319/64 Heading B8E. Parallel slag beds 2, 3 arranged in groups have hoppers 4 spaced longitudinally therein and filled by a tractor provided with a scarifier and a bulldozer blade. Conveyer means 10 running in closed or open passageways 5 feeds the slag to inclined conveyers leading to a loading station or further treatment plant. Various arrangements of beds and treatment plants are described.
Patent GB-1154369-A (GB)
Title: Improvements in or relating to Standpipes for Irrigation Pipe-Lines
Inventor: RUNDLE WILLIAM THOMAS ALAN
IPC: B05B15/622
Filed: 1965-11-20
Abstract: 1,154,369. Irrigation systems. WRIGHT RAIN Ltd. 18 Nov., 1966 [20 Nov., 1965], No. 49400/65. Heading A1D. A stand-pipe 1 of an irrigation system is arranged so that at least a part of the pipe is inclined to a line perpendicular to the axis of the pipe-line 3 to which the socket 2 of the stand-pipe 1 is connected. Two support rods 7 are attached to the upper part of the pipe 1 and engage in the ground. The pipe 1 is bent so that the upper part of the pipe 1 is vertical the upper end carrying a sprinkler 5.