F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/12 (2006.01) F16L 55/128 (2006.01) F16L 55/18 (2006.01)
Patent
CA 2237257
A downstream plug is disclosed of a simplified structure where a dragging disc is used at a rear end to induce the expansion of locking elements engaging the pipeline. The locking results in an expansion cone being firmly held in place and forming a solid counterpart to the elastomeric seal expanded by the cone.
Friedrich Jaromir
Savard Donald D.
Walter Bronislav
Gowling Lafleur Henderson Llp
Pa - Plug Inc.
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