发明名称 Tree plug
摘要 <p>A plug (10) for sealing a conduit is described. The plug comprises a housing (42), a setting member (14), at least one anchor (16) and at least one seal element (18). Rotation of the setting member with respect to the housing in a setting direction sets the at least one anchor and the at least one seal element.</p>
申请公布号 GB2457390(B) 申请公布日期 2012.04.04
申请号 GB20090007391 申请日期 2007.11.19
申请人 PETROWELL LIMITED 发明人 DANIEL PURKIS
分类号 E21B23/02;E21B33/03 主分类号 E21B23/02
代理机构 代理人
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