F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/53
F16L 19/08 (2006.01) F16B 39/10 (2006.01) F16L 19/00 (2006.01) F16L 23/036 (2006.01) F16L 23/20 (2006.01)
Patent
CA 2022675
A pipeline coupling comprisess first and second substantially annular connecting pieces at each end of a length of pipe, an internally threaded nut on the first connecting piece and a corresponding external thread on the second connecting piece, and a sealing ring for location between adjacent ends of two lengths of pipe to be connected, a sealed connection between the two lengths of pipe being effected by screwing the nut onto the external thread to draw the connecting pieces axially towards one another and to compress the sealing ring therebetween. A substantially. annular locking ring is mounted on the second connecting piece to be axially movable therealong but rotatably fixed relative thereto, the locking ring and nut being provided with corresponding projections and recesses adapted to engage with one another to prevent relative rotation between the two connecting pieces, releasable means retaining the projections and the recesses in engagement with one another.
Anson Limited
Gowling Lafleur Henderson Llp
LandOfFree
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