发明名称 INFLATABLE RESTRAINT SYSTEM
摘要 <p>A racking board for retaining tubulars is disclosed having a first finger, a second forger positioned generally parallel to the first finger and with a gap between the fingers serving as a storage area for tubulars. A first inflatable member is supported adjacent to the first finger and a second inflatable member is supported adjacent to the second finger, the inflatable members adapted to expand radially into the gap upon inflation so as to capture and retain the tubular. In some embodiments, a single inflatable member in employed to expand into the gap and retain the tubular. A method of racking tubulars is disclosed using elongate, inflatable restraints.</p>
申请公布号 EP2596202(A2) 申请公布日期 2013.05.29
申请号 EP20110739248 申请日期 2011.07.20
申请人 NATIONAL OILWELL VARCO, L.P. 发明人 HANKINS, JOHN BENJAMIN;ZAHN, BALDWIN
分类号 E21B19/14;F16L3/00 主分类号 E21B19/14
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