| 发明名称 |
Seal rings for potable water applications |
| 摘要 |
A cemented carbide seal ring has at least one hard phase in a binder phase based on Co, Ni and Fe which results in a content Fe, Ni and Cr of less than 50 mug/l of each in a leach test with deionized water at 85° C. performed according to the requirements of British Standard BS6920: Section 2.6: 1996.
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| 申请公布号 |
US6602312(B2) |
申请公布日期 |
2003.08.05 |
| 申请号 |
US20020067804 |
申请日期 |
2002.02.08 |
| 申请人 |
SANDVIK AB |
发明人 |
EDERYD STEFAN;PAUTY EMMANUEL |
| 分类号 |
C22C29/08;C22C19/03;C22C29/06;C22C38/00;F16J15/34;(IPC1-7):C22C29/08 |
主分类号 |
C22C29/08 |
| 代理机构 |
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代理人 |
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