C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
204/126, 204/15
C25D 5/36 (2006.01) C25D 7/06 (2006.01)
Patent
CA 1337554
The present invention resides in a method and apparatus for producing a one-side zinc electroplated strip having enhanced phosphating characteristics. The strip is produced by an apparatus such that prior to the step of electroplating, the non-electroplated side of the steel strip is cathodically pickled. After pickling the strip is then passed through a plating unit. The improvement involves the cathodic pickling minimizing staining and etching to the non-electroplated strip surface by the zinc electrolyte during electroplating of the oppsite strip surface.
586881
Gibson Alan F.
Robbins Douglas J.
Roberts Timothy R.
Smith David M.
Armco Steel Company L.p.
Riches Mckenzie & Herbert Llp
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