Pipe coupling

Details Pipe coupling Pipe coupling

F - Mech Eng,Light,Heat,Weapons

16

L

285/55

F16L 17/00 (2006.01) F16L 21/04 (2006.01)

Patent

CA 1254920

PIPE COUPLING Abstract of the Disclosure A pipe coupling for the joining of plain end pipe that includes an annular gasket and a compressible lock ring at each end of the coupling between a tubular middle ring and an annular follower. Bolts extending between the opposite followers are effective when tightened to compress both the gasket and lock ring into their operative relation for sealing and gripping a coupled pipe end, respectively. An annular recess contained in the backface of the gasket affords a clearance of controlled dimension initially about the juxtaposed portion of the lock ring. The clearance functions when the bolts are tightened to enable gasket sealing pressure to be achieved about the pipe sequentially before an effective grip on the pipe is attained by the lock ring.

462478

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