Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
1994-05-27
1997-03-11
Simmons, David A.
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
428626, 428457, B32B 1508
Patent
active
056099681
ABSTRACT:
A colored steel sheet having a coating thickness which is sufficiently small to permit welding therethrough, and yet exhibiting an excellently colored and lustrous surface. It is a steel sheet having a surface plated with zinc or a zinc alloy, and carrying a chromate film formed on its plated surface, and a colored film formed on the chromate film from a composition comprising specific proportions of a thermosetting resin and a dye, which are both soluble in an organic solvent. The composition may further contain a solid lubricant, or a granular rust-inhibitive pigment, or both. The colored film has a specific range of thickness, and a color other than black.
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Bigelow et al., "The Chemistry of Synthetic Dyes and Pigments", 1972, pp. 577-578.
Database JAPS/JPO Host: Epooue (E.P.O.) & JP-A-62010292 (Nippon Steel Corp.) Jan. 19 1987.
Miyoshi Tatsuya
Ookuma Toshiyuki
Watanabe Toyofumi
Yamashita Masaaki
Yoshimi Naoto
Gray Linda L.
NKK Corporation
Simmons David A.
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