MANUFACTURE OF DISSIMILAR METAL COATING METAL PIPE

PURPOSE:To easily perform the manufacture of a dissimilar metal coating metal pipe in a necessary coating layer thickness by spreading a non-ferrous metal pipe to the inner peripheral face or outer peripheral face of the metal pipe having higher tensile strength than the non-ferrous metal pipe. CONS...

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Bibliographische Detailangaben
1. Verfasser:	KANARI SHOHEI
Format:	Patent
Sprache:	eng
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:	PURPOSE:To easily perform the manufacture of a dissimilar metal coating metal pipe in a necessary coating layer thickness by spreading a non-ferrous metal pipe to the inner peripheral face or outer peripheral face of the metal pipe having higher tensile strength than the non-ferrous metal pipe. CONSTITUTION:A lead pipe 2 is inserted at the interval to the degree of not spoiling the workability into a steel pipe 1. The steel pipe 1 is then drawn by a die 3 by using the die 3 and a plug 4, the lead pipe 2 is thinned by the plug 4 as well, is spread to the inner peripheral face of the steel pipe 1 and a lead coating metal pipe is manufactured. The lead pipe 2 can similarly be spread to the outer peripheral face of the steel pipe 1.