Pipe proof test fixture

Details Pipe proof test fixture Pipe proof test fixture

1976-01-21

1977-05-24

Phillips, Charles E.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

220237, 220327, F16L 5512

Patent

active

040248933

ABSTRACT:
An end closure for large diameter thin wall pipe employs separate opposed outside contractible and inside expansible assemblies to grip the pipe. A separate yoke member is carried by a closure member of the inside assembly and in turn carries means to actuate a seal between the closure member and the pipe. The external contractible member assembly has a sleeve-like clamp which extends longitudinally beyond the area of the internal expansible member and seal and confines the pipe beyond said areas.

REFERENCES:
patent: 3548881 (1970-12-01), Pavan
patent: 3695482 (1972-10-01), Smith

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