| 发明名称 |
Pressure responsive sealing means |
| 摘要 |
A sealing device such as a piston ring has an L shaped cross section with primary and secondary sealing surfaces held in contact. The device is mounted in a groove to dispose the primary sealing surface against two relatively movable members and the secondary sealing surface substantially normal thereto.
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| 申请公布号 |
US4132417(A) |
申请公布日期 |
1979.01.02 |
| 申请号 |
US19770856081 |
申请日期 |
1977.11.30 |
| 申请人 |
KOMMANDITBOLAGET UNITED STIRLING (SWEDEN) AB & CO. |
发明人 |
LAGERQVIST, ROY S. G. |
| 分类号 |
F16J9/02;F16J9/06;F16J9/08;(IPC1-7):F16J9/02 |
主分类号 |
F16J9/02 |
| 代理机构 |
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代理人 |
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