Soft shock pressure plug

Details Soft shock pressure plug Soft shock pressure plug

1979-06-06

1981-10-06

Chambers, A. Michael

Fluid handling

Destructible or deformable element controlled

Destructible element

166318, F16K 1304

Patent

active

042929881

ABSTRACT:
The invention comprises a plug assembly for selectively closing and opening a flowway in a tubular conduit. The apparatus includes a seating body having a main passage and adapted to be mounted in the conduit with the main passage in register with the conduit flowway. The seating body defines a seat for receipt of a plug for closing the main passage and supporting a pressure differential across the seat. The apparatus further includes a release control mechanism operative upon the presence of a pressure differential across the seat in excess of a given magnitude to open a bypass passageway bypassing the seat and plug to permit a relatively slow decrease in the pressure differential across the seat.

REFERENCES:
patent: 3053322 (1962-09-01), Kline
patent: 3090442 (1963-05-01), Cochran et al.
patent: 3151681 (1964-10-01), Cochran
patent: 3331378 (1967-07-01), Gibbs et al.
patent: 3713490 (1973-01-01), Watson
patent: 3768556 (1973-10-01), Baker
patent: 4099563 (1978-07-01), Hutchisin et al.
patent: 4114694 (1978-09-01), Dinning
patent: 4188999 (1980-02-01), Amancharia

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