B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 15/04 (2006.01) B05D 7/00 (2006.01) B32B 15/18 (2006.01) C09D 7/00 (2006.01) C09D 7/12 (2006.01) C23C 22/84 (2006.01)
Patent
CA 2056639
ABSTRACT OF THE DISCLOSURE 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.
Miyoshi Tatsuya
Ookuma Toshiyuki
Watanabe Toyofumi
Yamashita Masaaki
Yoshimi Naoto
Miyoshi Tatsuya
Nkk Corporation
Ookuma Toshiyuki
Swabey Ogilvy Renault
Watanabe Toyofumi
LandOfFree
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