Blowout preventer and movable ram block support

Valves and valve actuation – Blow-out preventers

Reexamination Certificate

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Details

C277S325000

Reexamination Certificate

active

07051989

ABSTRACT:
A blowout preventer which, in certain aspects, has a main body and ram block holding apparatus releasably secured to and movable with respect to the main body and/or to a door or bonnet, movable ram apparatus within the body including a ram block, the ram block holding apparatus positioned for selective engagement of and support of the ram block and for moving the ram block away from the body.

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patent: 2004/0084644 (2004-05-01), Wiedemann
patent: 2004/0222393 (2004-11-01), Kinder

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