Ram type blowout preventer having improved ram front packing

Details Ram type blowout preventer having improved ram front packing Ram type blowout preventer having improved ram front packing

1991-10-02

1992-06-30

Fox, John C.

Valves and valve actuation

Blow-out preventers

Radial reciprocating ram

277188A, E21B 3306

Patent

active

051256207

ABSTRACT:
There is disclosed a ram type blowout preventer whose rams have ram front packings which include seal strips of elastomeric material and top and bottom metal plates received in recesses across the front ends of the ram bodies, with the faces of the inner ends of the metal plates being slanted with respect to the vertical for sliding engagement with an oppositely slanting face of the inner end of the metal plate of an opposing ram.

REFERENCES:
patent: 2090206 (1937-08-01), King
patent: 2266384 (1941-12-01), Nea
patent: 2883141 (1959-04-01), Oliver

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