Inner diameter pipe plug

Details Inner diameter pipe plug Inner diameter pipe plug

1997-10-07

1998-08-25

Brinson, Patrick F.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

138 90, 138 93, 220237, F16L 5510

Patent

active

057974314

ABSTRACT:
An inner diameter plug for sealing a pipe near an open end of the pipe. The plug is capable of being reused within a range of pipe inner diameter tolerances and of providing effective fluid-tight sealing over a range of internal pressures. The plug can be hand tightened and provides self-gripping and self-sealing features.

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patent: 4282982 (1981-08-01), Nuesslein
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patent: 4385643 (1983-05-01), Noe
patent: 4474216 (1984-10-01), Noe
patent: 4602500 (1986-07-01), Kelly
patent: 4760868 (1988-08-01), Saxon
patent: 4817671 (1989-04-01), Mathison et al.
patent: 5119861 (1992-06-01), Pino

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