Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
1995-07-14
1997-08-19
Zimmerman, John
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
428626, 428632, 428658, B32B 1508
Patent
active
056586795
ABSTRACT:
A personal ornament which has an appearance of nickel tone or black nickel `tone` and assumes no magnetism is disclosed. In one embodiment of the personal ornament, a chromate layer is formed on a surface of a substrate made of pure zinc and a clear coating layer of brown color is superposed thereon. In another embodiment of the personal ornament, a Cu layer, a pure Zn layer, a chromate layer, and a clear coating layer of brown color are sequentially superposed in the order mentioned on a surface of a substrate made substantially of zinc. Further, in a personal ornament having an appearance of black nickel tone, a Cu layer, a Zn--Cu alloy layer, a brass activator conversion coating (blackly dyed) layer, and a clear coating layer of brown to black color are sequentially superposed in the order mentioned on a surface of a substrate made substantially of zinc.
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YKK Corporation
Zimmerman John
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