E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/50
E21B 33/06 (2006.01)
Patent
CA 1224411
- 1 - Abstract A seal for a ram assembly of a reciprocating ram-type blowout preventer is described. It comprises an arcuate run having opposite end portions and opening in a later- ally inward direction; a pair of connector runs integrally adjoining the respective end portions of said arcuate run and extending generally longitudinally therefrom; a trans- verse run integrally adjoining said connector runs and extending therebetween in a position spaced generally longitudinally from said end portions of said arcuate run, said transverse run having a recess opening in a laterally outward direction opposite said laterally inward direction and defining a support surface facing longitudinally away from said arcuate run.
511377
Camerano James J.
Granger Stanley W.
Kirby Eades Gale Baker
Nl Industries Inc.
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