发明名称 |
ORNAMENT AND METHOD FOR PREPARATION THEREOF |
摘要 |
An ornament, such as external ornamental parts of a watch, which comprises a substrate comprising stainless steel, titanium or titanium alloy and having a hardened layer comprising a solid solution of at least one type of atom selected from the group consisting of a carbon atom, a nitrogen atom and oxygen atom in the substrate and, formed on the surface of the hardened layer, a hard coating film such as TiC or TiN. The ornament has excellent resistance to scratching without detriment to the corrosion-resistant property of the substrate and can have a variety of colors such as gold, and thus is significantly valuable from an ornamental point of view. <IMAGE> |
申请公布号 |
EP1146136(A4) |
申请公布日期 |
2006.09.06 |
申请号 |
EP20000956994 |
申请日期 |
2000.09.07 |
申请人 |
CITIZEN WATCH CO. LTD. |
发明人 |
KUSHIDA, HACHIROU;HANAI, KENJI;ANDOU, YOSHITUGU;INOUE, TAKESHI;HAMANO, KAZUMI;TANOKURA, YUKIO;MEGURO, AKIRA;IKEDA, SHINJI |
分类号 |
A44C27/00;C23C8/80;C23C28/00;G04B37/22 |
主分类号 |
A44C27/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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