发明名称 |
Intermittent sealing device |
摘要 |
An exemplary embodiment disclosed herein relates to an articulatable sealing device. The device includes a plurality of seal elements each of which is urgable against a seal-surface, a fixing member tightenable about a perimeter of the seal elements, and a retractor in operable communication with the plurality of seal elements and able to move the plurality of seal elements in a desired direction.
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申请公布号 |
US8511688(B2) |
申请公布日期 |
2013.08.20 |
申请号 |
US201113033538 |
申请日期 |
2011.02.23 |
申请人 |
WILSON DAVID GORDON;BALLOU JON M.;PRAXAIR TECHNOLOGY, INC. |
发明人 |
WILSON DAVID GORDON;BALLOU JON M. |
分类号 |
F16L17/00 |
主分类号 |
F16L17/00 |
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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