Method and apparatus for bending a rolling mill laying pipe

Details Method and apparatus for bending a rolling mill laying pipe Method and apparatus for bending a rolling mill laying pipe

B - Operations, Transporting

21

D

153/37

B21D 5/00 (2006.01) B21D 7/08 (2006.01) B21D 11/06 (2006.01)

Patent

CA 1228284

823 ABSTRACT OF THE DISCLOSURE A method and apparatus for imparting a three- dimensionally curved configuration to a straight elongated element wherein one end of the element is removably supported with its axis coincident with a reference axis. The element is partially pre-bent away from the reference axis into conformity with a two-dimensional first guide path. Thereafter, the pre-bent element is bent into conformity with a three-dimensional helical second guide path.

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