baber/WOPTO huggingface dataset:
Patent GB-987994-A (GB)
Title: Improvements in apparatus for use in the maintenance of gas pipes
IPC: F16L41/04
Filed: 1961-10-10
Abstract: 987,994. Stopping gas mains. EAST MIDLANDS GAS BOARD and A. A. A. WHITE. Jan. 10, 1963 [Oct. 10, 1961], No. 36342/61. Heading F2P. For use in the operation of lagging a gas pipe, i.e. sealing off part of its length by drilling a hole and inserting bags through the hole which are then inflated to seal off the pipe at each end of the part to be isolated, there is provided, according to the invention, a gas tight box having an opening in its base adapted to be brought into gas tight connection with the length of pipe and having means affording access to the interior of the box by an operative's hands whilst retaining the box gas tight and a gas tight window to allow the interior of the box to be visible. The box 1 is placed over the hole 10 and a saddle 5 interposed which seats on the pipe 9, the necessary gear being contained in the box. The saddle is clamped to the pipe by hoops 14 and nuts 15. The operative places his hands in gloves 8 which are inside the box and which make gas tight joints at openings 7 in the walls 3 and the window 4 enables him to see as required to perform the bagging operation. After bagging off is completed a valve is opened in an outlet 11 so that any escaped gas will flow therethrough to a flame trap which has its exhaust outlet raised to a safe level. When maintenance work is completed the box 1 is used to enable the bags to be removed and the hole 10 to be plugged in safety. In a modification, Fig. 4, the base of the box 20 has an opening 29 to fit a spigot on one of a set of saddles from which one may be selected for a pipe of a particular diameter. To accommodate pipes of different diameters the saddles are attached to them by chains, for which four anchorage lugs 33 are provided, whereby the box may seat lengthwise or sideways with regard to the pipe. The transparent top is detachable. One wall of the box has an extension which provides a recess 24 for accessories. An air pipe 44 is led into the box to inflate the bags.
Patent GB-825997-A (GB)
Title: Improvements in or relating to undercarriages for aircraft
IPC: B64C25/14
Filed: 1957-11-21
Abstract: 825,997. Aircraft undercarriages. RECHERCHES ETUDES PRODUCTION R. E. P. Nov. 21, 1957 [Nov. 22,1956], No. 36372/57, Class 4. A retractable undercarriage for aircraft which retracts forwardly and inwardly within a fuselage has means for shortening the undercarriage and simultaneously swinging the wheel to lie parallel to the undercarriage leg. A fuselage 31 carries an upwardly inclined pivot 7 for a bracket 6, which carries further pivots 2 and 5 for a leg 1 and a shock absorber 3 respectively, pivotally connected at 4. The lower telescopic element 8 of leg 1 carries a pivot 10 for a wheel axle 9 in turn connected to leg 1 by a link 11 so that retraction of element 8 within leg 1 will swing the wheel R from the fullline position of Fig. 1, to a position in which it lies inboard of and parallel to the leg 1. Mechanism for shortening leg 1 comprises a housing 19 attached to leg 1 which accommodates a spring- loader plunger (not shown) formed with rack teeth to engage a pinion fast with a shaft 17 and lever 16 in turn connected by a further link 14 to element 8. The lever 16 has a connection 28 with a telescopic link 25 connected at 26 to the fuselage, with the result that retraction of the undercarriage about pivot 7 in the direction of arrow #, Fig. 6, tensions link 25 to rotate lever 16 and thereby link 14 from their in-line bracing positions against the action of the spring in housing 19 to draw element 8 into leg 1 with consequent swinging movement of axle 9 and wheel R about pivot 10. Hydraulic operation may replace or supplement the mechanical operation described above.
Patent GB-879694-A (GB)
Title: Plasticization of improved synthetic copolymers
Inventor: GESSLER ALBERT MURRAY
IPC: C08K5/01
Filed: 1958-11-12
Abstract: Rubbery iso-olefine-multiolefine copolymers of low unsaturation are mixed with an oxycarbon black, subjected to a temperature of from 250 DEG -450 DEG F., and one or more plasticizers added in a proportion of from 0,5%-50% based on the copolymer, to yield products with improved stress and elastic properties. Isobutylene copolymerized with butadiene, dimethyl butadiene, isoprene, pentadiene, hexadiene, dimethyl butadiene, piperylene, dimethallyl and cyclopentadiene may be used and the carbon black, e.g. channel black or a treated furnace black has an oxidized or active oxygen-containing surface with a pH value of less than 7. The heat treatment may be during the agitation, and the amount of carbon black may range from 20-200 parts by weight of the copolymer.  The plasticizers may be light or heavy hydrocarbon oils, preferably a paraffinic distillate of 40 s.s.u. at 210 DEG F., ethers or esters and conventional fillers and pigments may be included.  After treatment the copolymer composition may be combined with sulphur and non-sulphur curing agents and cured. The products are suitable as tyre treads, casings or inner tubes, electrical insulation, tank linings, and waterproof fabrics and they retain high chemical resistance.  Specification 565,974 is referred to.
Patent GB-428952-A (GB)
Title: Improvements in and relating to blackboards
IPC: B43L1/04
Filed: 1933-12-28
Abstract: 428,952. Educational appliances. GAMBLE, G. M., and McQUILLEN, W. T., Royal Military College, Camberley, Surrey. Dec. 28, 1933, No. 36449. [Class 146 (ii)] A blackboard comprises in combination a plate of magnetic material having a coating of paint on the face of the plate of such matt surface as to permit of marking with chalk and of ready erasure of markings, and a number of symbols or models each of which comprises a magnet strong enough to hold the symbol &c. to the magnetic plate on its painted side. The blackboard consists of a light frame made in two parts hinged together and provided with a catch so as to be set up as an easel, and the frame is covered on one or both sides with a thin iron plate 15 which is let into the edges of the frame 11. The frame is stiffened with plywood 16 and packing pieces 17, and the surface of the plate 15 is covered with a matt shellac varnish, having lampblack or zinc white as the colouring medium. Alternatively, the blackboard may be formed from a thin wooden board upon which is secured a layer formed of filings of magnetic material mixed with shellac varnish, size, glue, &c., with the addition of a suitable colouring substance. Symbols or models printed on or represented by plates 23 may be mounted on the blackboard by attaching the plates to horseshoe magnets 22 or to bar magnets. In the latter case, when representing models of wheeled vehicles, two wheels may be attached to each polepiece, by mounting them on a spindle having a good clearance in a hole in the polepiece. When formed of magnetic material, these wheels adhere to the blackboard surface ; when not so formed, light springs may be provided to press them against the blackboard, so that when the symbols are to be adjusted on the surface the magnets may be pulled away slightly, but the wheels remain in contact therewith and facilitate the adjustment. The magnets and attached symbols may be stored in a compartmented box, the base of which is of iron and which serves as a keeper for the horseshoe magnets. The blackboard may be used as a magnetic backing for a chart which can be attached by adhesive pins, clamps, or by means of permanent magnets, or it may be used as a suitably coloured screen on to which diagrams &c. may be projected. British Specification 19908/04, [Class 146], and U.S.A. Specification 1,879,002 are referred to.
Patent GB-1054642-A (GB)
Title: Ships for transporting liquefied gases
Inventor: MCMULLEN JOHN JOSEPH
IPC: F17C3/02
Filed: 1964-02-13
Abstract: 1,054,642. Carrying liquefied gases. J. J. McMULLEN. Feb. 13, 1964 [Feb. 14, 19631, No. 36473/66. Divided out of 1,054,641. Heading B7A. [Also in Division F4] The subject matter of this Specification is identical to that described in Specification 1,054,641, but the claims relate to the provision of a layer of insulation on the bulkheads of a ship, the insulation being spaced from a tank for liquefied gas.
Patent GB-416845-A (GB)
Title: Improvements in and relating to navigation lamps for aircraft
IPC: B64D47/06
Filed: 1932-12-23
Abstract: 416,845. Aircraft &c. navigation lamps. PEIRCE, H. C., The Wedge, Eliot Place, Blackheath, and DESOUTTER, A. M., The Cottage, Stormont Road, Hampstead Lane, Highgate, both in London. Dec. 23, 1932, No. 36534. [Class 75 (iv).] In an aircraft or like navigation lamp in which light from an electric lamp bulb h shines through red and green colour screens l, the bulb is provided with only a single filament j which lies transversely across the axis of symmetry of the lamp. The filament may be #-shaped, curved, or straight. In the form shown, a circular or stream-lined cover glass b with a slight rim b<1> is secured to a correspondingly shaped white enamelled base a by means of rubber packing d, a ring c, and screws c<1>. The colour screens may be made of glass or other translucent material and are mounted on a shoulder e<1> on a collar e and their juxta-posed edges are preferably ground and united by cement. The rear edges of the screens may be provided with outstanding chromium plated shields m which are formed as a single unit with feet screwed to the base a, and a small triangular piece of metal n may be fitted over the top of the colour screens. The cover glass may be omitted by providing a colourless segment behind the colour screens, or a single dome may be provided with the colour sectors flashed on. The bulb and its holder may be mounted in the collar e and removed as a unit from the lamp without dismantling the colour screens and other parts, as described in Specification 417,319.
Patent GB-368346-A (GB)
Title: Combustion chambers of compression-ignition engines
IPC: F02B21/00
Filed: 1930-12-04
Abstract: 368,346. Manually-actuated valves. LISTER & CO., Ltd., R. A. and SANDERS, A. F., Victoria Iron Works, Long Street, Dursley, Gloucestershire. Dec. 4, 1930, No. 365,84. [Class 135.] Lift valves.-In a doubleseating valve, as shown, for isolating a portion of a combustion chamber in an internal - combustion engine means are provided whereby carbon deposit on the valve seats may be removed by rotation of the valve head 20 on its seating during the last portion of closing movement of an actuating hand-wheel 23. A screwed sleeve 22 has a keyway which engages a key 21 on the valve spindle, limited relative axial movement between the stem and sleeve during the last few turns after the valve contacts with either seat being permitted by helical springs 26 located between abutments formed on the ends of the sleeve and spindle.
Patent GB-1424119-A (GB)
Title: Flameproof polyamide moulding compositions
IPC: C08K5/32
Filed: 1973-08-02
Abstract: 1424119 Self-extinguisher polyamide compositions BAYER AG 2 Aug 1973 [2 Aug 1972 (2)] 36778/73 Heading C3R A self-extinguishing polyamide moulding composition contains 1.5 to 40% (by weight of the total composition) of a fire-retardant which comprises (a) a defined halogenated aromatic nitro-compound and/or (b) a defined aromatic compound together with (c) any organic halogen compound, such flame retardant containing 8 to 86 wt. per cent Ha and 1.5 to 15 wt. per cent N present as NO 2 . The defined compounds are (a) Ha- and NO 2 -substituted mono- or condensed poly-nuclear hydrocarbons, diphenyl, diphenyl-ethers, -alkanes, -sulphones or -sulphides, and alkali metal salts of aromatic sulphonic acids; and (b) nitro-substituted mono- or condensed polynuclear hydrocarbons, diphenyl, diphenyl-ethers or -alkanes or alkali, alkaline earth or zinc salts of aromatic sulphonic or carboxylic acids or phenols. Various such compounds are mentioned and (c) may be polymeric, e.g. a polycarbonate. Synergestic metal compounds may be present to enhance the activity of the fire-retardant, e.g. Sb, Fe, Zn, Sn or Pb oxides, sulphates, nitrates, phosphates or acetates or a mixture of zinc or iron oxide and a salt of a Group Ia, IIa or IIb metal with an oxy-acid of B, Al, Ga, In, C, Si, Ge, Sn, Pb, P, As, Sb or Bi or with H 2 S. The composition may also contain pigments, dyes, heat- and light-stabilizers, optical brighteners, plasticizers chain breakers, lubricants, mould-releasers, and 0.1 to 50 wt. per cent of fillers, e.g. kaolin, carbon, glass or asbestos fibres, glass beads, talc, chalk, quartz, or feldspar. Specified polyamides are homo- or copolymers of aminoacids, e.g. amino-caproic or undecanoic ; lactams, e.g. pyrrolidone or capro-, enantho-, caprylo- or lauric lactam; or combinations of diamines, e.g. ethylene, hexa-, deca- or dodecamethylene, or m- or p-xylylene diamine, and dicarboxylic acids, e.g. adipic, sebacic or iso- or tere-phthalic. Mixtures of polyamides are used in some examples.
Patent GB-894173-A (GB)
Title: Low temperature storage facilities for liquid gases
IPC: F17C13/08
Filed: 1960-10-27
Abstract: 894,173. Storage containers for liquefied gas. CHICAGO BRIDGE & IRON CO. Oct. 27, 1960 [Dec. 7, 1959], No. 36843/60. Class 8(2). A tank for the storage of liquefied gas comprises an outer shell 11 supported on columns 13 and spaced and insulated from an inner storage vessel 10 supported on assemblies 16, the latter comprising stub columns 20 attached to the inner vessel 10, e.g. by welding, and stub column supports 23 joined by means of sections 26 to the columns 13, respectively; the connection between each stub column 20 and its associated support 23 is such as to allow relative sliding movement between the column and its support when the inner vessel 10 contracts and expands. A pin 24 secured to the support 23 co-operates with a slot in the column 20 to guide the sliding movement. The inner vessel 10 and its supporting assemblies 16 may be made of aluminium, stainless steel or nickel-steel alloys; the supports 23 may however be made of mild carbon steel or of foam concrete or other cellular masonry, or of wood. Alternatively, heat insulating material may be inserted at the upper end of the supports 23 or the latter may be replaced by diaphragm plates mounted within the columns 13. Specification 893,537 is referred to.
Patent GB-1380988-A (GB)
Title: Testing welded joints for leaks
IPC: G01M3/28
Filed: 1972-08-07
Abstract: 1380988 Welding by fusion NIPPON KOKAN KK 7 Aug 1972 36859/72 Heading B3R [Also in Division G1] In order to ascertain gaseous or liquid tightness across a double-fillet welded T-joint in ship construction, wherein an inter-bead cavity 9 exists between the edge and face respectively of workpieces 1, 2, holes 8, 11 are drilled through the plate 2 into the cavity 9, a surface active agent, e.g. soapy water, is spread over the weld beads, and compressed air is fed to the hole 8. Pressures at the holes 8, 11 are compared by gauges 10, 5. On indication of leakage by pressure drop between the holes, a leak, indicated by bubbling of the surface-active agent, is found and repaired and the joint is tested again.
Patent GB-1299979-A (GB)
Title: Improvements in or relating to control systems
Inventor: ELLIS ALFRED BRIAN EDWIN
IPC: H03K17/969
Filed: 1970-07-30
Abstract: 1299979 Photoelectric devices MARCONI CO Ltd 19 April 1971 [30 July 1970] 36871/70 Heading H1K [Also in Division G4] At each of a plurality of locations along a group of parallel conductors on a substrate, one or more of the conductors each have an interruption filled with a photo-sensitive element (e.g. CdS doped with Cl and Cu), or all the conductors may have such an element with selected elements overlaid and shorted by strips of conducting material. Photo-sensitive elements may bridge selected pairs of conductors at each location, instead. Alternatively, the conductors may be electrically linked by photosensitive inserts in an insulating layer to a transparent conductive layer on a transparent substrate. The insulating layer may be omitted and the conductive layer divided into fingers orthogonal to the conductors, insulating elements being provided at the intersections aching photo-sensitive elements. The fingers may be non-transparent generally, but in this case they are thinned adjacent to the photosensitive elements to make them transparent there. Light can be cut off manually from reaching one of the locations, producing a a respective coded group of signals on the conductors.
Patent GB-408408-A (GB)
Title: Improvements in and relating to electric motor control systems
IPC: B21B37/60
Filed: 1932-12-30
Abstract: 408,408. Master control of motors. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.- (Assignees of Rhea, T. R.; 1031, Wendell Avenue, and SNYDER, W. B.; 1382, Nott Street, both in Schenectady, New York, U.S.A.) Dec. 30, 1932, No. 36928. Convention date, Dec. 30, 1931. [Class 38 (iii).] Following movement of control member.-A system for controlling the movement of an object, e.g. the roll of a rolling mill 11<a>, to a plurality of selected positions, comprises a reversible driving motor 10, a plurality of pairs of motion-transmitting devices 28, 29, separately adjustable to a plurality of selected positions, a single pair of motion receiving devices 38, 39 differentially responsive to the motor and to a selected pair of the transmitting devices, switching means 40 for connecting a selected pair of transmitting devices to the receiving devices, means responsive to one of the receiving devices for operating the motor at high speed to give a coarse adjustment, and means responsive to the other receiving device for operating the motor at low speed to complete the adjustment. In the arrangement shown, the armature of the motor is connected to the D.C. lines 12, 13 through resistances 19, 20, 21 by an " up " or " down " switch 14 or 15 controlled by relays 25, 26, one or other of which is energized when a contact arm 43 carried by the rotor of the coarse adjustment receiving device 38 is moved on to one of a pair of contact segments 44, 45 geared to the rotor of the motor 10. The resistances 19 ... 21 are then successively cut out by the contactors 16 ... 18 and the motor 10 runs at high speed until the contact segment 44 or 45 has been rotated out of contact with the contact arm 43. The relay 25 or 26 is then deenergized, the resistances 19 ... 21 are reinserted in the armature circuit, and a further resistance 22 is shunted across the armature in response to a relay 23. The switch 14 or 15 is maintained closed by a circuit controlled by a contact arm 48 and segments 49, 50 on the fine adjustment receiving device 39, and the motor continues to rotate at a reduced speed until the circuit is finally broken by the contact arm 48. In a modified arrangement, the contact arms and conducting segments of the motion receiving devices are replaced by thermionic valves. One pair of valves is arranged to control the energization of the motor for high and low speed operation in one direction, while a second pair of valves controls the operation in the reverse direction, the valves being rendered conductive at the appropriate times by means of voltages applied to the grids in accordance with the relative positions of the motion receiving devices.
Patent GB-510776-A (GB)
Title: Improvements in hermetically sealed cans with opening keys therefor
Filed: 1938-12-19
Abstract: 510,776. Preserve tins. HAUSTRUP, N. J. Dec. 19, 1938, Nos. 36955 and 36956. Convention dates, July 4, and Dec. 13. [Class 66] The weakening line 5 in the cover 4 of a preserve tin is formed with an inwardly-directed bight 7, the metal enclosed by which bight is adapted to be pressed down to afford an opening enabling the corner portion or tongue 6 of the weakened area to be engaged by the prongs 3, 8, of the opening key so that this part can be prised up by the key ready for the commencement of the rolling-up operation. Fig. 6 shows a modified form of key the part 14 of which serves to effect the initial rupture when the key is levered inwardly about the edge 16, the part 13 acting as a stop to limit the degree of depression of the metal of the bight 7.
Patent GB-1148919-A (GB)
Title: Improvements in static information storage arrangements
Inventor: COTTON JOHN MICHAEL
IPC: G11C11/06
Filed: 1965-08-31
Abstract: 1,148,919. Matrix data stores. BRITISH TELECOMMUNICATIONS RESEARCH Ltd. 30 Aug., 1966 [31 Aug., 1965], No. 37138/65. Heading G4C. In a matrix store, e.g. of magnetic cores, the respective bits of a single word may be read-out sequentially, or alternatively the content of corresponding bit positions in a number of words may be read-out sequentially. A bit position is selected by a bit counter BC and decoder BD and similarly the word is selected by counter WC and decoder WD. Either counter may be set to a predetermined position while the other is incremented through a complete cycle so as to read out the selected word or bits. The output wires of the matrix are all connected through OR-gate G3 to provide for serial read-out, and a write-in operation is performed using a conventional inhibit wire threaded through all the cores of the store. The store may be used with a computer to control the setting up of telephone connections.
Patent GB-344784-A (GB)
Title: Improvements in or relating to sound gates for talking film apparatus
IPC: G11B15/34
Filed: 1929-12-04
Abstract: 344,784. Reproducing recorded sound. SCHIFFL, F., 11, Elsworthy Terrace, Hampstead, and HEYL, E. O., 15, Down Street, both in London. Dec. 4, 1929, No. 37163. [Class 40 (ii).] Optical apparatus.- To prevent damage to a sound film as it passes through the " sound gate of reproducing apparatus, the gate is constructed with a shoe which contacts with the non- emulsified surface of the film, and which has an aperture therein for allowing the passage of a light beam through the film. The shoe coacts with guides or rollers arranged at the opposite side of the film, and causes the film to follow a curved path. In the construction shown, the sound gate comprises a shoe f, consisting of an apertured prism with a rounded apex, slidably fitted into the usual slot of a pressure plate e. A frame g between which and the shoe the film a passes, supports the spindles of a pair of two-part rollers h, over which the film is fed by sprockets b, c, each roller being concave as shown in Fig. 2. and consisting of two flanged portions pressed together by a spring q. The apex of the shoe f is substantially in line with the axes of the rollers. The sprockets b c are driven at the same speed, but the sprocket c is driven through a spring or like lost-motion device, so that a bight is formed in the film at d<1>. This is taken up by a spring-urged pad d acting against the non- emulsified side of the film.
Patent GB-326549-A (GB)
Title: Improvements in or relating to casings particularly for use for containing inflated playing balls
IPC: A63B39/02
Filed: 1928-12-17
Abstract: 326,549. Dunlop Rubber Co., Ltd., and Hyde, A. W. T. Dec. 17, 1928. Opening by tearing.-A case for tennis balls and the like comprises a spherical shell made in two or more part spherical members 1, 2 of celluloid or other cellulose derivatives or resins, retained in position by an adhesive. In the, form shown, the part 1 is stepped outwardly at 3 to form a recess for the rim 4 of the part 2. A tearing string 18 with a loose end 19 may be disposed in the joint to facilitate opening. In a modification, the component parts abut, and are retained by a band of similar substance to the shells, which mav have an end projecting to facilitate tearing. In another form, a wider abutting surface is provided and the band is omitted.