Process for the continuous production of longitudinally...

Details Process for the continuous production of longitudinally... Process for the continuous production of longitudinally...

B - Operations, Transporting

21

C

B21C 37/08 (2006.01) B21C 37/20 (2006.01) B21D 15/04 (2006.01)

Patent

CA 2332191

In a process for the continuous production of longitudinally seam-welded and corrugated metal tubes (46), a metal band drawn off from a supply reel is formed into an open-seam tube, welded at its longitudinal edges, and the welded smooth tube (45) corrugated. A withdrawal apparatus driven by an electric motor engages the smooth tube. The smooth tube (45) is corrugated by means of a corrugation plate (43) located in a corrugation head (42) which can be driven rotationally. The corrugation head (42) is driven directly by a hollow shaft motor (37, 38).

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