Machine for roll-forming a corrugated cylindrical sheath

Details Machine for roll-forming a corrugated cylindrical sheath Machine for roll-forming a corrugated cylindrical sheath

B - Operations, Transporting

21

D

80/12, 80/52, 11

B21D 15/06 (2006.01) B21B 17/14 (2006.01)

Patent

CA 2009868

ABSTRACT A process and a device for roll-forming a flat corrugated metallic strip having longitudinal edges into tubing with axially spaced corrugations. The device comprises a plurality of forming stations for progressively arching laterally spaced apart portions of the metallic strip, with different radii, in successive steps to bring the longitudinal edges of the strip in overlapping relationship to form the corrugated tubing.

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