B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
149/4
B05C 3/02 (2006.01) C21D 9/56 (2006.01) C23G 3/02 (2006.01)
Patent
CA 1112139
METHOD AND APPARATUS FOR TREATING STRIP ABSTRACT OF THE DISCLOSURE In treating certain types of steel strip, it passes through a plurality of processes including a salt bath having a driven sink roll therein. In order to by-pass the salt bath means are provided to raise and lower the sink roll and its drive while maintaining them horizontal. This permits changing from one type of strip which is subject to the salt bath to another type of strip which is not subject to the salt bath without rethreading the entire line. A guide roll at the exit end of the salt bath tank is below and out of contact with the strip which has been in the salt bath, but is raised into contact with strip which by-passes the salt bath. Means are provided to cover the guide roll in its lower position and uncover it in its upper position.
297159
Lukac Frederick S.
Zbryski William P.
Allegheny Ludlum Corporation
George H. Riches And Associates
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