发明名称 |
Laminated chromium plating layers having superior wear resistance and fatigue strength |
摘要 |
<p>A laminated chromium plating layers providing improved wear resistance and fatigue strength for use in mechanical parts of an internal combustion engine. The lamination is formed on a base body and contains a plurality of high hardness chromium plating layer and a plurality of low hardness chromium plating layer, and each high hardness chromium plating layer is formed upon each low hardness chromium plating layer to provide the lamination of alternating high hardness chromium plating layer and low hardness chromium plating layer. &lt;IMAGE&gt;</p> |
申请公布号 |
EP0972861(A3) |
申请公布日期 |
2000.05.24 |
申请号 |
EP19990112291 |
申请日期 |
1999.06.25 |
申请人 |
NIPPON PISTON RING CO., LTD. |
发明人 |
TATEISHI, YUKIO;ONODA, MOTONOBU;OGAWA, KATSUAKI;SHIMIZU, KAZUO |
分类号 |
C25D3/04;C25D5/14;C25D5/18;(IPC1-7):C25D5/14;F16J9/00 |
主分类号 |
C25D3/04 |
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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