Tube plugging method

Details Tube plugging method Tube plugging method

1991-02-22

1992-12-08

Bryant, III, James E.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

138 90, F16L 5510

Patent

active

051689022

ABSTRACT:
Resilient stopper rings are inserted into a tubular conduit and are compressed endwise so as to expand outwardly against the conduit wall to block or stop flow or leakage of fluid from the conduit. In operation, axial spacing of stopper leading and trailing cylindrical end parts threaded together and sandwiching the rings is adjusted by a wrench to compress the rings to plug the conduit or alternatively to release the rings for removal of the stopper from the conduit.

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