F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/52
F16L 19/00 (2006.01)
Patent
CA 1051482
NEW AND IMPROVED COUPLING APPARATUS Abstract of the Disclosure For use in connecting first and second pipes, an apparatus which incorporates an external sleeve adapted to be abutted against a flange and positioned about a first pipe and enclosing oppositely facing sets of tapered slips. The slips incorporate serrations to enable them to grip the first pipe. An encircling cavity receives fluid under high pressure and hydraulically forces the two sets of slips to an actuated position, firmly gripping the first pipe. This provides a good mechanical connection of the connector to the first pipe. The second pipe is preferably connected to the flange. A separate set of fluid seals prevent leakage. They are actuated by means of a second set of pistons which hydraulically force the seal members with adequate pressure to cause them to seal the connection of the first and second pipes. The coupling apparatus has a separate mechanical coupling and an isolated seal mechanism which are separately actuated.
244429
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