| 发明名称 |
Piston ring especially for use with aluminum cylinder e.g. engine cylinder |
| 摘要 |
The piston ring, used especially with an aluminum cylinder and having a nitride coating at least on its sliding faces, consists of a special steel containing 0.4-0.75 wt.% C and 7.0-11.0 wt.% Cr. Preferred Features: The nitride layer has a hardness of 900-1090 HV and has its surface compound film removed.
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| 申请公布号 |
DE19911533(A1) |
申请公布日期 |
1999.10.14 |
| 申请号 |
DE19991011533 |
申请日期 |
1999.03.16 |
| 申请人 |
NIPPON PISTON RING CO |
发明人 |
SAMESHIMA, SHUJI;TAKEDA, YUTAKA;SUZUKI, TAKANORI |
| 分类号 |
B23P15/06;C22C38/00;C22C38/18;C23C8/26;F16J9/26;(IPC1-7):F02F5/00 |
主分类号 |
B23P15/06 |
| 代理机构 |
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代理人 |
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| 主权项 |
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