B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
80/25, 32/33, 29
B21D 5/08 (2006.01) B21C 37/08 (2006.01) B21D 5/12 (2006.01) B21B 1/26 (2006.01) B21B 1/38 (2006.01) B21B 45/06 (2006.01)
Patent
CA 1272015
ABSTRACT A method for roll forming of articles from hot rolled steel strip is provided. This method includes the step of forming a hot rolled steel strip to fracture and/or loosen a layer of mill scale adhered thereto. The steel strip is then shaped in a shaping region of a roll forming mill to a pre-determined shape in the presence of a roll forming lubricant. The pre-determined shape is then sized in a sizing region of the roll forming mill in the presence of a detergent to remove particles of mill scale and residual roll forming lubricant adhering to the pre-determined shape. The detergent acts as a lubricant for sizing rolls in the sizing region.
515101
Palmer Leslie Harold
Palmer Ross Leslie
Copperweld Corporation
Mccarthy Tetrault Llp
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