B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
80/21
B21B 1/00 (2006.01) B21B 1/08 (2006.01)
Patent
CA 1160482
Abstract of the Disclosure: A blank for a wide flange beam is produced by feeding a flat slab to a break-down mill in which a box- shaped groove, one or more forming grooves and a sizing groove are formed by a pair of rolls, and rolling the material in a former stage of the rolling process so that the rectangular ratio of the rolled material is substantially equal to the rectangular ratio of the slab.
365402
George H. Riches And Associates
Sumitomo Metal Industries Ltd.
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