Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1978-02-27
1979-07-10
Caroff, Marc L.
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
134 15, 134 26, 134 28, 148156, B08B 704
Patent
active
041606779
ABSTRACT:
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 the sink roll and its drive are raised while maintaining them horizontal. This permits changing from one type of strip which is subjected to the salt bath to another type of strip which is not subjected 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. The guide roll is covered in its lower position and uncovered in its upper position.
REFERENCES:
patent: 2317014 (1943-04-01), Yochem
patent: 2649099 (1953-08-01), Huff
patent: 2864106 (1958-12-01), Muddiman
patent: 3087505 (1963-04-01), Laine
patent: 3166266 (1965-01-01), Erskine
patent: 3565311 (1971-02-01), Mitchell
Lukac Frederick S.
Zbryski William P.
Allegheny Ludlum Industries, Inc.
Caroff Marc L.
Dropkin Robert F.
Gioia Vincent G.
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