C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
117/149, 117/198
C25D 5/48 (2006.01) A47B 96/02 (2006.01) B05D 3/00 (2006.01) B05D 7/14 (2006.01) B32B 15/08 (2006.01) C25D 5/14 (2006.01)
Patent
CA 1153979
Abstract of the Disclosure A plastic coating for plated metal shelving used in walk-in coolers, and the method of applying the coating to the metal shelving. When the metal shelving is cleaned and prepared for the plating, a nickel film and a chromium film are electrodeposited in that order on the metal shelv- ing in two successive operations. The deposited chromium metal surface is then treated with an iron phosphate in order to enhance the adhesion of a final outer layer of plastic. The iron phosphate treatment is carried out in a three-stage spray washer operation. The coating in the form of an epoxy resin is then applied, where the epoxy resin is preferably a thermosetting plastic of the Bisphenol-A type which requires specific time and temperatures to achieve a proper desired cure and color.
353763
Giza Gerald J.
Welsch John H.
Kirby Eades Gale Baker
Metropolitan Wire Corporation
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