APPARATUS FOR APPLYING COAT TO INTERNAL SURFACES OF PARTS

FIELD: metallurgy, mechanical engineering, aviation and cosmic equipment, transportation, heat engineering, municipal water heating system. SUBSTANCE: apparatus has powder mixture charging hopper with ejector-type feeder-doser, mixing chamber, spraying head connected to mixing chamber, and gas suppl...

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Bibliographische Detailangaben
Hauptverfasser:	SMOLIN A.G, NIKITIN P.V
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	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 DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	FIELD: metallurgy, mechanical engineering, aviation and cosmic equipment, transportation, heat engineering, municipal water heating system. SUBSTANCE: apparatus has powder mixture charging hopper with ejector-type feeder-doser, mixing chamber, spraying head connected to mixing chamber, and gas supply system for supplying gas into spraying head. Spraying head is formed as longitudinal nozzle with rotary device facilitating turning of working gas flow through 90 deg away from part axis. Apparatus is adapted for applying coat to parts in the process of manufacture thereof (for example on rolling mill). Such construction of apparatus provides for obtaining of uniform coat of required thickness over the entire internal surface of part without necessity of rotating part around its axis. Part or article may be of any shape (cylinder, polyhedron, prism etc). EFFECT: wider operational capability and increased efficiency. 2 dwg