B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 26/14 (2006.01) B21C 37/15 (2006.01) B23K 13/02 (2006.01) B23K 20/06 (2006.01) B21D 26/02 (2006.01)
Patent
CA 2406454
A method of hydro--forming a tubular structure of varying diameter along its longitudinal axis, comprising the formation of a tubular blank (44, 80) member by welding together, at their periphery, tubes (30, 32, 52, 54) of different diameters using electromagnetic pulse welding (20,50).
Procédé d'hydroformage d'une structure tubulaire de diamètre variable sur son axe longitudinal, qui consiste à former une ébauche tubulaire par soudage, au niveau de leur périphérie, de tubes de diamètre différent à l'aide du soudage par impulsions électromagnétiques.
Ashley Richard
Gabbianelli Gianfranco
Kotagiri Seetarama S.
Brandt Kerstin B.
Cosma International Inc.
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