| 摘要 |
<p>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. <IMAGE></p> |
| 申请人 |
NKK CORP., TOKIO/TOKYO, JP |
发明人 |
YOSHIMI, NAOTO, C/O NKK CORPORATION, TOKYO 100, JP;WATANABE, TOYOFUMI, C/O NKK CORPORATION, TOKYO 100, JP;YAMASHITA, MASAAKI, C/O NKK CORPORATION, TOKYO 100, JP;OOKUMA, TOSHIYUKI, C/O NKK CORPORATION, TOKYO 100, JP;MIYOSHI, TATSUYA, C/O NKK CORPORATION, TOKYO 100, JP |
