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公开(公告)号：EP1099824A2
公开(公告)日：2001-05-16
申请号：EP01200460.2
申请日：1997-04-21
摘要： An apparatus for optionally gripping and releasing a tube, said apparatus having an elevator with a set of slips for optionally gripping and releasing a tube and a spider with a set of slips for optionally gripping and releasing the other end of said tube, said elevator and spider slips being in communication one to the other by pressurized conduits, said conduits forming a pressure circuit to supply pressure to release one set of slips only when the other set of slips is gripping said tube, wherein said apparatus has improved response time, said spider may be hydraulically or pneumatically actuated and said elevator maybe pneumatically operated, and wherein said spider may be flush mounted; and methods.
摘要翻译： 一种用于可选地夹持和释放管的设备，所述设备具有带有一组滑动件的升降器，用于可选地夹紧和释放具有一组滑动件的管和十字形件，用于可选地抓住和释放所述管的另一端，所述升降器和 通过加压导管彼此连通，所述导管形成压力回路以提供压力，以便仅当另一组卡瓦夹紧所述管时释放一组卡瓦，其中所述装置具有改进的响应时间，所述卡爪 可被液压地或气动地致动，并且所述电梯可被气动地操作，并且其中所述星形件可齐平安装; 和方法。
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公开(公告)号：EP1099824A3
公开(公告)日：2001-09-05
申请号：EP01200460.2
申请日：1997-04-21
摘要： An apparatus for optionally gripping and releasing a tube, said apparatus having an elevator with a set of slips for optionally gripping and releasing a tube and a spider with a set of slips for optionally gripping and releasing the other end of said tube, said elevator and spider slips being in communication one to the other by pressurized conduits, said conduits forming a pressure circuit to supply pressure to release one set of slips only when the other set of slips is gripping said tube, wherein said apparatus has improved response time, said spider may be hydraulically or pneumatically actuated and said elevator maybe pneumatically operated, and wherein said spider may be flush mounted; and methods.
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公开(公告)号：EP1099824B1
公开(公告)日：2003-09-03
申请号：EP01200460.2
申请日：1997-04-21
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