发明名称 |
Seal assembly for hollow tubular structure |
摘要 |
An annular built up seal section on a diaphragm used for closing the end of a large tube with the annular built up seal section sized for sealing engagement with the tube end.
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申请公布号 |
US4124988(A) |
申请公布日期 |
1978.11.14 |
申请号 |
US19760733249 |
申请日期 |
1976.10.18 |
申请人 |
OIL STATES RUBBER CO. |
发明人 |
LANDERS, DON B. |
分类号 |
E02B17/00;(IPC1-7):E02D5/00 |
主分类号 |
E02B17/00 |
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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