Process for manufacturing tubular bodies, particularly for...

B - Operations – Transporting – 21 – C

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B21C 37/06 (2006.01) B21C 37/08 (2006.01) B21D 51/26 (2006.01) B23K 26/08 (2006.01) B23K 26/24 (2006.01) B23K 26/26 (2006.01)

Patent

CA 1136001

ABSTRACT OF THE DISCLOSURE A process for manufacturing a tubular body comprises the steps of rolling up a metal sheet of small thickness, welding the edge portions of the sheet and subjecting the tubular body to radial expansion. The process may be carried out on sheets each corres- ponding to a separate tubular body. The process can also be continuous.

340717

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