发明名称 Slip
摘要 A slip for supporting a member, such as a pipe. The slip comprises one or more rolling elements, such as roller, for gripping the member. The rolling elements may contact each other. The slip may be formed from a plurality of pivotally connected segments. The rolling elements may be arranged to roll along ramps, arranged to urge the members into contact with a member to be gripped.
申请公布号 US9322229(B2) 申请公布日期 2016.04.26
申请号 US201314404511 申请日期 2013.06.11
申请人 BALLTEC LIMITED 发明人 Taylor Richard James
分类号 E21B19/10;B66C1/44 主分类号 E21B19/10
代理机构 Barlow, Josephs & Holmes, Ltd. 代理人 Barlow, Josephs & Holmes, Ltd.
主权项 1. A slip for supporting a member, the slip comprising at least two rolling elements for gripping the member, wherein: said rolling elements are configured and arranged to contact each other; and each rolling element is configured and arranged to roll along a different respective ramp on the surface of the slip.
地址 The Gateway, White Lund Industrial Estate Morecambe, Lancashire GB