LINE FOR MANUFACTURING HELICAL-SEAM TUBES OF ROLLED STRIP COILS

FIELD: tube production, possibly manufacture of helical-seam tubes of large diameter for oil field and main gas-oil pipelines. ^ SUBSTANCE: line includes movable butt-welding plant for welding end portions of coils by cross seam; molding/welding mill; plant for welding outer cross seams of tubes. In...

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Hauptverfasser:	RAJCHUK JURIJ ISAAKOVICH, PERMJAKOV IGOR' L'VOVICH, KARDAEV NIKOLAJ EVGEN'EVICH, EVSEEV NIKOLAJ MIKHAJLOVICH, LJUCHKOV ANATOLIJ DEM'JANOVICH, MASHINSON IZRAIL' ZINOV'EVICH, CHELYSHEV VALERIJ VALENTINOVICH, LUBE IGOR' IVANOVICH, VJATCHENNIKOV VLADIMIR VLADIMIROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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