baber/WOPTO huggingface dataset:
Patent GB-612452-A (GB)
Title: Improvements in or relating to pyrotechnic devices for producing disturbances under water
IPC: G10K15/04
Filed: 1946-05-23
Abstract: 612,452. Pyrotechnic. devices. DOYLE, R. H., LUCAS, S. H., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. May 23, 1946, No. 15720. [Class 9 (ii)] [Also in Group XXXVIII] Relates to pyrotechnic devices for producing under water a timed sequence of disturbances for signalling or other purposes. The invention provides a perforated metal tube or tubes filled with a slow-burning thermal composition and a plurality of detonator charges in cupshaped containers located in the perforations of the tube. In addition, ignition means are provided to ignite the thermal composition, which upon ignition burns at a known rate from one end of the tube successively igniting the charges in the containers. Symmetrically arranged between two plates 14, 15 are four cylindrical metal tubes 1 having perforations 2 in which are placed containers 3, each holding a primed percussion cap 4. In the lower end of each tube 1 is a sealing cup 5 having a screwthreaded projection 6 passing through the plate 15 and held by a nut 18. Each tube 1 is filled with a slow-burning gasless thermal composition 7, the mouth of each tube being closed by a plug 8 into which is screwed a fuze holder 9 accommodating a conventional type electric fuze 10, sealed in with a cold-setting phenol formaldehyde cement. Each tube 1 is covered with self-adhesive tape 13 and sprayed with waterproof paint.
Patent GB-1271924-A (GB)
Title: Process for producing full density urania particles
Inventor: PIERRE PHILIPPE DOUGLAS SHERWO
IPC: C01G43/025
Filed: 1970-04-02
Abstract: 1,271,924. Dense uranium dioxide. GENERAL ELECTRIC CO. 2 April, 1970 [29 April, 1969], No. 15722/70. Heading C1A. Uranium dioxide having substantially 100% of the theoretical density is produced by heating a polycrystalline sintered urania body to between 1900-2300‹ C. for 1-4 hours in a dry hydrogen atmosphere and cooling in a dry substantially non-reactive environment, such as hydrogen, nitrogen, a noble gas or a vacuum to form monocrystals. The polycrystalline urania body may be formed by compacting ammonium diuranate at a pressure between 0À5 and 5 tons per square inch, and heating in a wet hydrogen atmosphere to form urania without fragmenting the body, and sintering.
Patent GB-1493980-A (GB)
Title: Method of treating an exhaust gas
IPC: C01F11/46
Filed: 1975-04-16
Abstract: 1493980 Treating exhaust gas MITSUBISHI JUKOGYO KK 16 April 1975 [19 April 1974] 15726/75 Heading C1A Exhaust gas is treated to remove oxides of nitrogen and of sulphur by washing with a lime or limestone slurry containing alkali metal iodide or alkaline earth metal iodide. It is desirable that the exhaust gas is subjected to a pre-cooling to 90‹ C. or less and a pre-oxidizing step, preferably using ozone, hydrogen peroxide or nitric acid, to convert nitrogen monoxide to dioxide before the washing step. After washing, the excess lime may be converted to calcium sulphate (in the form of gypsum) by adding sulphuric acid, and keeping the pH below 6, and the resultant calcium sulphite is then oxidized to Ca sulphate with a free-oxygen containing gas. The solid components may be separated from the slurry by filtration or centrifuge and the separated liquor containing the iodide may be recycled.
Patent GB-661075-A (GB)
Title: Automatic control of evaporated metal film thickness
IPC: C23C14/54
Filed: 1949-06-14
Abstract: 661,075. Resistance and physical qualities, measuring. BRITISH AMERICAN RESEARCH, Ltd. June 14, 1949, No. 15820/49. Class 37. [Also in Groups II and XXXV] In a system for automatically maintaining constant the thickness of metal film deposited on dielectric sheet material passing through a low-pressure chamber containing the metal vapour, the rate of deposition is controlled either by varying the speed of the sheet or the rate of supply of metal vapour in accordance with the electrical resistance of a standard section of film. In Fig. 1, a D.C. series motor 86 driving feed rolls 3, 5 draws a regenerated cellulose web 2 through a low-pressure chamber 4 containing zinc vapour produced by boiling zinc in a crucible 6 heated by an electrical resistance heater 7. A metal film is deposited on the web which may be used in the manufacture of electrical condensers. The resistance of a loop 8 of the web, which is dependent on film thickness, is measured between contacts 16, 18 associated with rolls 10, 14 and deviation of this resistance from a value corresponding to the desired thickness upsets the balance of an A.C. bridge 23 the output of which controls, through an amplifier 35, demodulator 40 and push-pull amplifier 42, a reversible solenoid motor 48 which rebalances the bridge by adjusting a variable condenser 36. At the same time motor 48 adjusts supply and bleed valves 66, 64 controlling the pneumatic pressure applied to a servomotor 72 which, by adjusting a rheostat 80, restores the thickness of metal being deposited to the desired value either by controlling the speed of motor 86 as shown or, alternatively, by controlling the voltage applied to heater 7. Solenoid motor 48 also controls a pin 56 of an indicating and recording mechanism 54 which may be calibrated in terms of thickness of the metal film.
Patent GB-167460-A (GB)
Title: Improved manufacture of articles of metal sheet or plate provided with handles or the like
IPC: B21D39/03
Filed: 1921-06-08
Abstract: 167,460. Borel, J. July 30, 1920, [Convention date]. Addition to 160,127. Handles.-Relates to a modification of the handle and like securing-means described in the parent Specification. The boss 3, Fig. 3, is surrounded by a washer or flange sleeve adapted to be held in place by the compression of the parts. The outer edge of the sleeve is then turned down and the opening in the handle to hold it in position. As illustrated, a covering piece 6 is fitted over the sleeve and compressed so as to be gripped between the sleeve and the flared edge of the handle opening. In a second form, Fig. 6, the washer 8 has an integral cover formed with a projecting central part 10 adapted after the compression of the parts to be riveted over the hole in the handle. In a further modification, Fig. 5, a detachable fitting is afforded by a covered washer 8 formed with a squared central part to engage a hole in the handle and a threaded stem adapted to receive a milled securing-nut 9.
Patent GB-420750-A (GB)
Title: Eccentrics for effecting reciprocating movements
IPC: B30B1/26
Filed: 1933-06-02
Abstract: 420,750. Eccentrics. CRABTREE, W. A., Wrose Brow Works, Shipley, Yorkshire. June 2, 1933, No. 15958. [Class 122 (i)] In an adjustable eccentric comprising an eccentric member b rotatably mounted on an eccentric a integral with the shaft, and a rotatable key m seated in a recess h in the eccentric a and adapted to engage recesses x<1>-x<7> in the member b for various degrees of adjustment, an arm on the key is bolted to a flattened portion of the eccentric a to hold the key in operative position. When the key is in inoperative position the eccentric b may be rotated by a tool inserted in recesses w in its periphery. The recesses x<5>-x<7> provide positions of adjustment intermediate between those of the recesses x<1>-x<4>.
Patent GB-736053-A (GB)
Title: Extrusion head for providing cables with multi-layer coating
IPC: B29C48/06
Filed: 1953-06-10
Abstract: 736,053. Coating cables &c. by extrusion. S.A.S. LAVORAZIONE MATERIE PLASTICHE (L.M.P.) DI M. I. COLOMBO & CO. June 10, 1953 [June 17, 1952], No. 16019/53. Class 87 (2). Two or more coatings of plastic material are applied to a wire or cable by an extrusion machine having two or more presses. From each press the path of the material divides into two, then each of these two paths divided into two paths, so that the material is divided into four portions (or eight portions), Fig. 2 (not shown), by the time it gets to the point of application to the wire. The lengths of the four paths are equal to each other so that the resistances met by the portions of material'are equal to each other. Fig. 3 shows the head of a machine having two presses. 'One press feeds material to a conduit 9 and another press feeds material to a conduit 10. From conduit 9 the material passes into the centre of a semi-circular channel 12, Fig. 4, which feeds at its ends two channels 13, Fig. 5. Each channel 13 then similarly branches through channels 14 into four channels 15, which lead into a space 16 where the material forms a first coating on a wire travelling vertically downwards through members 22, 18, 21. The channels 15, are disposed at the vertices of a regular polygon, as shown a square. The material fed in at 10 follows similar paths, emerging at 19 to form a second coating on the first coating. The various channels are formed in or between eight plates I ... 8 held together by bolts 11. The ratio between the quantities of materials fed by the two temperatures and the temperatures of the materials, may be varied.
Patent GB-116451-A (GB)
Title: Improvements in Brushes.
Inventor: FORRESTER HAROLD JOSEPH CHARLE
Filed: 1917-11-03
Abstract: 116,451. Forrester, H. J. C., (Worcester Brush & Scraper Co.). Nov. 3, 1917. Rotary and wire brushes; bristles, fixing; brush stocks.-A cylindrical or other shaped brush particularly adapted for cleaning gun barrels is formed with tufts of wire or other bristles held between separators which are mounted on a central core and are secured between end plates which have full thickness edges, the inner part being undercut to produce an edge-gripping action. Fig. 1 shows a brush in which the tufts 20 are provided with collars 21 having recesses therein. The bristle tufts are set in spacing plates 24 notched round the periphery to receive the collars 21, the notches corresponding in position to the recesses in the separators 16. The separators are held between a fixed end plate 13 on the stock and a washer end plate 14 held up by a nut 17. Both the end plates are undercut as shown at 15. A flange 28 may be employed on one separator to keep the brush central in use. When wooden separators are employed, spurs may be formed on the tuft collars to hold them in place.
Patent GB-1110312-A (GB)
Title: Improvements relating to liquid dispensing means
Inventor: GRETTON-LOWE REX
IPC: G01F11/28
Filed: 1964-04-17
Abstract: 1,110,312. Delivering measured quantities of liquid. FAIREY ENGINEERING Ltd. 15 July, 1965 [17 April, 1964], No. 16080/64. Heading B8N. Apparatus for dispensing a measured quantity of liquid, e.g. beer, from a supply comprises a metering tube 10 connected at its inlet end to a two-way inlet valve 11 operated by a solenoid 12 which when energized moves a valve member 26 against the action of a spring 28 to admit compressed propulsion gas to the tube 10 from a conduit 17, and shut off the liquid supply to the latter from a conduit 14, and a liquid sensing probe 80 at the outlet end of the tube 10 is included in an electric control circuit for ensuring that the inlet valve solenoid is not energized unless the tube 10 is filled with liquid. A further solenoid valve 40 is provided at the outlet end of the tube 10 and is opened when energized to allow liquid to be forced from the tube 10 through a dispensing nozzle 43 by compressed gas passing through the simultaneously energized solenoid valve 11. A further liquid sensing probe 81 at the inlet end of the tube 10 controls energization of the solenoid of the outlet valve 40. Alternatively a manually operated outlet valve may be provided.
Patent GB-542109-A (GB)
Title: Improvements in and relating to means for joining two sections of a composite concrete ramming pile
IPC: E02D5/52
Filed: 1940-11-06
Abstract: 542,109. Sectional concrete piles. NAAMLOOZE VENNOOTSCHAP SCHOKINDUSTRIE. Nov. 6, 1940, No. 16189. Convention date, Oct. 31, 1939. [Class 68 (ii)] The joint between sections of a composite concrete pile is constituted by forming the end 3 of a section 1 of cylindrical or prismatic shape and the adjacent end of the next section 2 with a cylindrical or prismatic recess 4 somewhat larger than the head 3, a wooden or other soft material ring 5 being sunk in a groove near the end of recess 4, to fit the head tightly. The recess 4 communicates with the atmosphere through passages 6, 7 and has substantially axial ribs 8 slidably engaging the head 3. Iron bar reinforcements 9, 10, 11, 12 extend in substantially longitudinal and axial direction. After driving home the first section, mortar, dry mix or other filling material, preferably in a bag is deposited on the head and the second section positioned and driven home by blows of a ram so that the mortar &c. fills the spaces between the ribs, the upper part of the recess 4 and channel 6.
Patent GB-462458-A (GB)
Title: A new or improved method of making tubes and apparatus therefor
IPC: B27D1/08
Filed: 1935-06-04
Abstract: 462,458. Cork &c. tubes. ARMSTRONG CORK CO. June 4, 1935, No. 16200. Convention date, Oct. 30, 1934. [Class 99 (ii)] A cork &c. tube, for use more particularly as a cot for a textile roll, is made by winding helically, into tubular form a strip S of cork composition having a slow-setting adhesive applied to at least one of its longitudinal edges, urging the edges of the cork strip into firm abutting engagement, and forming a confining tube of paper &c. about the cork tube to hold the edges of the latter together until the adhesive therebetween has set. The confining tube preferably comprises a helically-wound paper strip 55 jointed by a strip 60 of adhesive paper disposed over the abutting edges thereof ; alternatively, the strip is wrapped with its edges overlapping, adhesive being applied to the overlapped portions. A suitable tube forming machine, Fig. 10, comprises a stationary mandril 2, an endless belt 4 which is wrapped around the mandril in a helix 15 and serves to wind the several strips S, 55, 60 on to the mandril, and a spring-pressed sleeve 24 provided at its inner end with a surface 25 in the form of a half helix corresponding to the helix angle of the wound cork strip. The belt 4 is mounted on two pulleys 5, 6 and is driven by a motor through a pulley 7, the pulleys 5, 6 being carried by supports 12, 13 which are slidably mounted on base plates 14, 14<1> so that the tension of the belt may be adjusted, and the complete mechanism is secured to a support 22 which is rotatably mounted in a base 23 whereby the pitch of the helix 15 may be varied. The helix 15 of the belt is arranged to have a pitch less than that of the wound cork strip so that the latter is retarded during winding and urged rearwardly against the surface 25 of the sleeve 24, the sleeve 24 reacting to compress the tube being formed and force the abutting edges of the cork strip into close contact. The cork strip is fed to the mandril from a roll 49, adhesive being applied to one edge from a feed 50 and, if desired, to the other edge from a feed 43 on the sleeve 24, and the confining and adhesive strips 55, 60 are fed from rolls 56, 61 respectively through a tensioning device 57 and past a moistening device 62. A base strip 45 of oilcoated paper is preferably applied to the mandril before the cork strip, and a securing strip 51 of adhesive paper from a roll 52 may be applied to the helical joint of the cork tube before formation of the confining tube. The sleeve 24 is provided with a hold-down plate 27 and finger 30 to urge the cork strip into contact with the mandril. Specifications 409,959, [Group IX], and 462,457 are referred to.
Patent GB-907764-A (GB)
Title: A method of zone melting a rod of semi-conductor material
IPC: C30B13/20
Filed: 1960-05-06
Abstract: A rod of silicon, produced by the deposition of silicon from a gaseous or vaporous silicon compound on to an electrically resistance heated carrier rod of silicon having terminal pieces of carbon or graphite, is subjected to the passage of a molten zone produced by induction heating while still attached to at least part of one terminal piece, said part being heated first thereby effecting preheating of the adjacent end of the rod by conduction before formation of the molten zone by induction heating.  The molten zone may be initially formed in the adjacent end of the rod or at the opposite end adjacent a seed crystal after passage of a hot non-molten zone through the rod.  Specification 861,135 is referred to.
Patent GB-1001989-A (GB)
Title: Electrolytic bath for the anodic oxidation of aluminium
IPC: C25D11/06
Filed: 1963-04-24
Abstract: An electrolyte for anodizing aluminium or alloys thereof contains an alkali metal bisulphate, e.g. sodium bisulphate (50-200 g. per litre), and a sugar, e.g. glucose (100-200 g. per litre).  A little ZnSO4 may be added (10-50 g. per litre).
Patent GB-542627-A (GB)
Title: Improvements in internal combustion engines operating with gaseous fuel stored under pressure
IPC: F02M21/00
Filed: 1940-11-08
Abstract: 542,627. Regulating gas engines. FAWCETT, PRESTON & CO., Ltd., and BATHER, J. C. Nov. 8, 1940, No. 16252. [Class 7 (vi)] In an engine supplied with gaseous fuel under pressure from a cylinder 2 through a reducing-valve 4, this valve is actuated together with the throttle valve 8 by linkwork 5, 6 from the accelerator pedal 7. The gas may pass through a carburetter as shown, or may be supplied to the cylinders by a rotary distributing-valve, the throttle 8 then controlling the air supply.
Patent GB-404273-A (GB)
Title: Improvements in pistons
IPC: F02F3/08
Filed: 1932-06-09
Abstract: 404,273. Pistons. OUBRIDGE, W. A., Parklands, Park Road, Coventry. June 9, 1932, No. 16258. [Class 122 (i).] In a light metal piston in which the gudgeon-pin bosses b are separated from the skirt a the latter is provided interiorly with one or more struts c<1> of oval ring form having a coefficient of expansion higher or lower than that of the piston. In the former case, the skirt is made oval with its major axis at right angles to the axis of the gudgeonpin bosses, Fig. 2, and the strut c<1> has its major axis parallel to the gudgeon pin axis; the skirt is thus caused to become circular when hot. When the strut has a coefficient of expansion less than that of the piston, it is forced under compression into the skirt with its major axis at right angles to the gudgeon pin axis ; the piston is thus deformed, but resumes the circular form when hot. In this case the piston may be turned oval before or after insertion of the strut, and may be slit circumferentially and /or axially. The strut may be split for convenience of assembly, and is either forced under compression into the skirt, or the piston may be cast about the strut while the latter is under initial stress. The strut may be placed immediately below and in contact with the gudgeon pin bosses to assist heat dissipation, and may be provided with radiating fins, webs or holes for this purpose. The strut may be in the form of a slotted oval disc, which may also act as an oil baffle.
Patent GB-860447-A (GB)
Title: Improvements in or relating to gas burners
IPC: F23D14/58
Filed: 1958-05-21
Abstract: 860,447. Gas burners. FLYNN, J. H. May 21, 1958, No. 16284/58. Class 75 (1). A gas burner comprises an elongated casing 32 having a longitudinal discharge port 36 and divided by partitions 56 into three sections 58, a gas conduit 64 extending through the casing and having an outlet port 76a, 76b, 76c, in each section 58 of the casing and a valve 66 operated by a control rod 102 to open any one or more of the outlet ports 76a, 76b, 76c. The valve 66 is adapted to supply gas to any one section or to any two sections or to all three sections. The valve comprises three sleeves 96a, 96b, 96c, each connected by spiders to the control rod 102 and each having a series of circumferential ports 114 some of which are contiguous and others spaced; thus the ports of the sleeve 96a consist of three contiguous ports 114a and one port 114a spaced therefrom by a wall portion 116. The control rod 102 is journalled in the end covers of the gas conduit 64 and extends through one end cover into a housing 104 having a pivoted cover 108. In a modified construction, Fig. 16 (not shown) the valve 66 is in the form of a continuous tube rotatable in the gas conduit 64 and having ports co-operating with the ports 76a, 76b, 76c of the gas conduit ; and in a further modified construction, Fig. 17 (not shown) the valve 66 is a slide valve having valve plates provided with a series of ports and co-operating with the ports 76a, 76b, 76c of the gas conduit. The gas conduit 64 has additional outlets which are not controlled by the valve 66 and provide small flames at each section of the burner when the valve therefor is closed. Alternatively a pilot burner is disposed between the burner sections and is supplied with gas through ports in the partitions 56 and registering apertures in the gas conduit 64. The discharge port 36 is flanked by low pressure discharge ports 38 supplied with gas from the discharge port 36 through ducts 39. The discharge port 36 and the low pressure discharge ports 38 contain sets of major and minor ribbons arranged to provide in each discharge port passages of high, medium and low velocity gas.
Patent GB-1304279-A (GB)
IPC: H02J9/06
Filed: 1970-04-07
Abstract: 1304279 Standby supply systems TENELUX Ltd 7 April 1970 [8 April 1969] 16336/70 Heading H2H [Also in Division F4] A standby system for a fluorescent light FL including a ballast BAL comprises an inverter INV supplied by a battery B and a semiconductor switching device CR which is rendered conductive on failure of the A.C. mains supply at terminals 8, 9 to enable the operation of the inverter, the output of which is supplied to the light and ballast. During mains operation of the light, the battery B is charged via a diode D1 and a network including resistors R2, R4 and a capacitor C1 maintains the potential at the gate 10 of the thyristor CR negative with respect to its cathode during both positive and negative half cycles of the A.C. so that the thyristor is switched off. On failure of the mains supply, the potential at the gate 10 becomes positive with respect to the cathode and the thyristor conducts to connect the battery to the feedback windings N3, N4 of the inverter transformer T1. The inverter is a self saturating type of inverter. Transistors Q1, Q2 in the inverter are alternately triggered so that a high frequency alternating voltage is induced in the secondary winding N5 of the transformer T1 and is fed to the light FL via a current limiting capacitor C2. The thyristor CR may be replaced by a transistor.
Patent GB-458078-A (GB)
Title: Improvements relating to insulating parts or members in electrical apparatus
IPC: G01T1/185
Filed: 1935-06-05
Abstract: <PICT:0458078/III/1> Electrical apparatus includes an insulating member made by burning a mixture consisting substantially of magnesium oxide or hydroxide and titanium dioxide, so that these materials are converted wholly or partly to magnesium titanate. Alkaline earth compounds and clay may be introduced into the mix. The product may be used as the base-cap 1 of an electron discharge tube 3, the bulb being fixed to the base directly or with the interposition of easily fusible layers, e.g. of glass.  The lead-in wires 5 pass through bores 4 in the base cap, fusible glass tubes 6 giving a hermetical closure.  Contact members may be fused into the bottom of the base-cap.