Tubular obturator for use with a hollow body

Details Tubular obturator for use with a hollow body Tubular obturator for use with a hollow body

1980-03-07

1982-02-23

Bryant, III, James E.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

138 90, 138 96R, 220307, 220308, 220323, F16L 5512

Patent

active

043164870

ABSTRACT:
A tubular obturator for use with a hollow body e.g. a pipeline or cylindrical container, terminating in a cylindrical opening for closing the opening when it is desired to subject the body to a pressure test, comprises a cover, the diameter of which is slightly smaller than that of the opening of the body to be tested, and a cylindrical skirt extending from the cover and comprising a plurality of strips.

REFERENCES:
patent: 1559704 (1925-11-01), Hubbard
patent: 1976817 (1934-10-01), Walker
patent: 2658434 (1953-11-01), Miller
patent: 2840113 (1958-06-01), Simpson et al.
patent: 2944265 (1960-07-01), Carmichael
patent: 3326243 (1967-06-01), Augustus
patent: 3829184 (1974-08-01), Chevret
patent: 4076142 (1978-02-01), Naz
patent: 4122592 (1978-10-01), Ehret et al.

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