Rolling apparatus

Details Rolling apparatus Rolling apparatus

B - Operations, Transporting

21

B

B21B 37/16 (2006.01) B21B 13/02 (2006.01) B21B 37/26 (2006.01) B21B 39/08 (2006.01) B21C 37/02 (2006.01) B21H 7/00 (2006.01) B21B 1/38 (2006.01) B21B 13/14 (2006.01) B21B 15/00 (2006.01) B21B 31/02 (2006.01) B21B 39/14 (2006.01) B21B 45/00 (2006.01)

Patent

CA 2327499

A rolling apparatus is disclosed which forms a thin walled portion on part of a steel strip by allowing the steel strip to intervene between a pair of upper and lower rolling rolls, in which the upper rolling roll is vertically movable. The steel strip which has been pressed between a pair of upper and lower rolling rolls is repeatedly moved on a traveling table to upstream side and downstream side alternately, thereby forming the thin walled portion having a width corresponding to the movement quantity. In forming the thin walled portion, the steel strip is grasped on both upstream side and downstream side with a plurality of clamping means and is subjected to a tension due to tension imparting means, thereby facilitating formation of the thin walled portion.

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