发明名称 Device for fitting an oil pipe stiffening sleeve on a support structure
摘要 A device for fitting a stiffening sleeve which is located at the end of an oil pipe onto a bearing structure. The device comprises an internal hollow tube fixed on the bearing structure, the tube having an internal diameter slightly greater than the diameter of the cylindrical wall of the stiffener, and two support/centering devices, respectively a lower device formed by retractable balls and an upper device formed by a conical collar, the devices interacting with the cylindrical wall of the stiffener and a conical bearing surface at the top of the tube in order to support/center the stiffener.
申请公布号 US6352115(B1) 申请公布日期 2002.03.05
申请号 US19990423996 申请日期 1999.11.17
申请人 COFLEXIP 发明人 MATHIEU PATRICE RAYMOND
分类号 E21B17/01;E21B19/00;E21B43/01;(IPC1-7):E21B15/02 主分类号 E21B17/01
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