发明名称 |
INTERNAL RESTRAINT DEVICE |
摘要 |
<p>A restraint or gripping device for anchoring within the interior of a pipe comprises a pair of end plates adapted to be urged towards each other and a plurality of shoes, positioned between the end plates, and adapted to be moved radially outwardly as the end plates are urged together. In a further aspect, a method of restraining a pipe plug or isolation tool is provided. Also provided are assemblies for pipe isolation including an integral restraint or gripping mechanism.</p> |
申请公布号 |
EP2329181(A1) |
申请公布日期 |
2011.06.08 |
申请号 |
EP20090809143 |
申请日期 |
2009.08.28 |
申请人 |
CAR-BER INVESTMENTS INC. |
发明人 |
CARSON, GLENN;BROWN, GRAHAM T. |
分类号 |
F16L55/136;F16L55/10;F16L55/11;F16L55/132 |
主分类号 |
F16L55/136 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|