Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
1997-04-30
1999-09-07
Zimmerman, John J.
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
428627, 428628, 428632, 428635, 428660, B32B 1504
Patent
active
059485485
ABSTRACT:
An article is coated with a multi-layer coating comprising a copper layer, a nickel layer, a chrome layer, a refractory metal layer, preferably zirconium layer, a sandwich layer comprised of alternating layers of a refractory metal compound and a refractory metal, a refractory metal compound layer, preferably zirconium nitride layer, and a refractory metal oxide layer or a layer comprised of the reaction products of refractory metal, oxygen and nitrogen. The coating provides the color of polished brass to the article and also provides abrasion protection, corrosion protection, and improved acid resistance.
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Jonte Patrick
Petersen John H.
Trendelman Carl W.
Welty Richard P.
Kapustij Myron B.
Masco Corporation
Zimmerman John J.
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