F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/12 (2006.01) F16K 7/10 (2006.01) F16L 55/124 (2006.01)
Patent
CA 2080046
ABSTRACT OF THE DISCLOSURE A device for the temporary obturation of a pipeline carrying any fluid whatesoever, the device comprising an inflatable bag associated with a brace co-operating with the inner wall of the pipeline and pivotedly connected to a rod or a jack so that a bag may be inserted positively and in the correct direction into the pipeline and may after having been inflated be mechanically and positively retained in its position of obturation of the pipeline.
Pfeiffer Dominique
Wartel Christian
Gaz de France
Mcfadden Fincham
LandOfFree
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