B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
205/13, 26/155,
B21C 37/06 (2006.01) B21C 23/22 (2006.01) B22F 5/10 (2006.01) B22F 7/06 (2006.01) B22F 7/08 (2006.01)
Patent
CA 2003295
0 A process for manufacturing clad metal tubing from two different types of metals having different deformation resistances is disclosed. The process comprises preparing a combined billet having two blank pipes arranged concentrically with each other, the pipes being made of different metals, and applying hot extrusion to the billet while adjusting the heating temperature of the pipe such that a pipe of the metal having a higher deformation resistance is heated to a higher temperature.
Fukuda Tadashi
Hiraishi Nobushige
Kikuchi Junichi
Nakanishi Mutsuo
Ohashi Yoshihisa
Osler Hoskin & Harcourt Llp
Sumitomo Metal Industries Ltd.
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