Ram-type blowout preventer with improved ram front packer

Details Ram-type blowout preventer with improved ram front packer Ram-type blowout preventer with improved ram front packer

1982-09-16

1985-09-17

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277127, 277198, 277199, 251 13, F16J 1556, E21B 3306

Patent

active

045416397

ABSTRACT:
A ram-type blowout preventer having a body with a central bore extending therethrough and with guideways extending outward from the central bore, a ram in each of the guideways and having a recess on its front face, a front packer positioned in said ram recess and including a backing portion and an insert portion, the insert portion being tightly inter-engaged with said backing portion.

REFERENCES:
patent: 1466137 (1923-08-01), Mead
patent: 2194255 (1940-03-01), Allen
patent: 2912214 (1959-11-01), Allen et al.
patent: 3692316 (1972-09-01), Bishop et al.
patent: 4332367 (1982-06-01), Nelson
patent: 4398729 (1983-08-01), Bishop et al.

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