METODO PER LA PRODUZIONE DI TUBI SALDATI A SPIRALE

In the prodn. of spiral seam welded tube by resistance roller seam welding of strip, in which the tube dia. is regulated by imparting a controlled elevation to the edges during welding, the elevation is obtd. by forming a bend at the edge of the strip or the tube near the weld site, the bend being a...

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Hauptverfasser:	ROMASHKO DMITRY VASILIEVICH, MEDVEDEV ALEXANDR NIKOLAEVICH, PUSHKAR ALEXANDR NIKOLAEVICH, KUZMIN JURY NIKOLAEVICH, SKACHKO JURY NIKOLAEVICH, POPOV NIKOLAI VLADIMIROVICH, MOSHKIN VENEDIKT FEOFANOVICH, CHERNOKOZENKO VLADIMIR VLADIMIROVICH, SAKALO NIKOLAI NIKITOVICH
Format:	Patent
Sprache:	ita
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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Beschreibung
Zusammenfassung:	In the prodn. of spiral seam welded tube by resistance roller seam welding of strip, in which the tube dia. is regulated by imparting a controlled elevation to the edges during welding, the elevation is obtd. by forming a bend at the edge of the strip or the tube near the weld site, the bend being accomplished in the sector between the tube generatrix, which passes through the weld site and a line normal to the weld seam line at the weld site.