发明名称 |
Removable pipeline plug |
摘要 |
A removable plugging device for a pipeline, and particularly for pressure testing a steam pipeline in a boiling water reactor, wherein an inflatable annular sealing member seals off the pipeline and characterized by radially movable shoes for holding the plug in place, each shoe being pivotally mounted for self-adjusting engagement with even an out-of-round pipeline interior.
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申请公布号 |
US4470946(A) |
申请公布日期 |
1984.09.11 |
申请号 |
US19820412871 |
申请日期 |
1982.08.30 |
申请人 |
AUTOMATION INDUSTRIES, INC. |
发明人 |
VASSALOTTI, MICHAEL;ANASTASI, FRANK |
分类号 |
F16L55/136;F22B37/22;G21C13/028;(IPC1-7):F16L55/12 |
主分类号 |
F16L55/136 |
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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