Lock bars for blowout preventer

Details Lock bars for blowout preventer Lock bars for blowout preventer

2006-05-16

2006-05-16

Bastianelli, John (Department: 3751)

Valves and valve actuation

Blow-out preventers

C137S383000, C277S325000

Reexamination Certificate

active

07044430

ABSTRACT:
Lock bars for blowout preventers and blowout preventers having, in certain aspects, a body with a top, a bottom, and a bore therethrough, at least one bonnet releasably secured to the body, a first lock bar recess defined by a first portion in the body and a second portion in the bonnet, at least one lock bar removably disposed in the lock bar recess for releasably connecting the at least one bonnet to the body, the at least one lock bar having a body with a first end and a second tapered end and/or with an end opening in an end of the at least one lock bar.

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PCT/GB 2005/050018: Annex to Form PCT/ISA/206: 4pp.: mailed Apr. 27, 2005.

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