F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/136 (2006.01) F16L 55/10 (2006.01) F16L 55/11 (2006.01) F16L 55/132 (2006.01)
Patent
CA 2735561
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.
Un dispositif de retenue ou de préhension servant à sancrer dans lintérieur dun tuyau comprend deux plaques dextrémité conçues pour être pressées lune vers lautre et une pluralité de patins, positionnés entre les plaques dextrémité, et conçus pour se déplacer radialement vers lextérieur lorsque les plaques dextrémité sont pressées ensemble. Selon un autre aspect, linvention se rapporte à un procédé de retenue dun outil disolation ou bouchon de tuyau. Elle se rapporte également à des ensembles pour isolation de tuyau comprenant un mécanisme de retenue ou de préhension intégré.
Brown Graham T.
Carson Glenn
Blake Cassels & Graydon Llp
Car-Ber Investments Inc.
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