Improved apparatus for utilizing detonation waves

742,458. Spraying-apparatus. UNION CARBIDE & CARBON CORPORATION. June 11, 1952, No. 17034/54. Divided out of 742,387. Class 69 (3). A detonation gun for spraying powder has an elongated barrel 16 communicating with supply conduits 10, 11 for fluid fuel, e.g. acetylene, and oxidizing gas, e.g. ai...

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Bibliographische Detailangaben
Hauptverfasser:	LAMPREY HEADLEE, SARGENT HERBERT BRIGGS, POORMAN RICHARD MARION
Format:	Patent
Sprache:	eng
Schlagworte:	ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BLASTING CASTING CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMBUSTION ENGINES CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL DIFFUSION TREATMENT OF METALLIC MATERIAL FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS ANDORDNANCE, e.g. CANNONS GLASS GRINDING HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JET-PROPULSION PLANTS JOINING GLASS TO GLASS OR OTHER MATERIALS LIGHTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY MILLING GRAIN MINERAL OR SLAG WOOL MOUNTINGS FOR SMALLARMS OR ORDNANCE NOZZLES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHING POWDER METALLURGY PREPARATORY TREATMENT OF GRAIN FOR MILLING PUNCHING METAL SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE ORCOMBUSTIBLE PROPELLANT CHARGE WEAPONS NOT OTHERWISE PROVIDED FOR WORKING METALLIC POWDER WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Zusammenfassung:	742,458. Spraying-apparatus. UNION CARBIDE & CARBON CORPORATION. June 11, 1952, No. 17034/54. Divided out of 742,387. Class 69 (3). A detonation gun for spraying powder has an elongated barrel 16 communicating with supply conduits 10, 11 for fluid fuel, e.g. acetylene, and oxidizing gas, e.g. air, a chamber 14 having means, e.g. a sparking-plug 15, for igniting the acetylene/air mixture, and separate valves 35, 37 controlling the conduits 10, 11 operable in synchronism with the plug 15. Powder may be entrained in the acetylene or air, or introduced into the barrel 16 at a T-piece 28. A variable speed motor 26 drives a shaft 33 carrying a cam 27 for the valves 35, 37 and a spark timing cam 34. Also on the shaft 33 is a cam 32 for a valve 31 in an inert gas conduit 29, e.g. nitrogen. The sequence of operations is :-cam 27 opens valves 35, 37 to admit fuel and air ; cam 27 permits valves 35, 37 to shut ; cam 32 opens valve 31 to allow nitrogen to flow across valves 35, 37 to prevent flashback ; cam 34 closes circuit to fire the plug 15 ; after detonation nitrogen flows out behind combustion products and forms a protective zone ; finally, cam 32 allows valve 31 to shut. The barrel, which may be 1 inch diameter, and 3 to 6 feet long, may be water cooled. Fuels include hydrogen, butane, propane, pentane, ethylene or coal dust suspended in a gas, and oxygen may replace or be mixed with air. Specifications 742,387, 742,459 and 742,460, [both in Group XXII], are referred to.