Blowout preventer

Details Blowout preventer Blowout preventer

1979-08-02

1981-03-03

Schwadron, Martin P.

Valves and valve actuation

Blow-out preventers

166 85, 166 92, 166 93, 277127, E21B 3306

Patent

active

042536383

ABSTRACT:
A blowout preventer having a body and bonnets hinged thereto with throw latches for securing the bonnets to the body, wedges between the body and the hinges for adjusting the tilt of the bonnet and the position of the hinge side of the bonnets when closed and wedges between the body and the latches for adjusting the position of the latch side of the bonnets when closed.

REFERENCES:
patent: 1662311 (1928-03-01), Hamer
patent: 1834921 (1931-12-01), Abercrombie
patent: 1899922 (1933-03-01), Black
patent: 3128077 (1964-04-01), Lucky
patent: 3208357 (1965-09-01), Allen et al.
patent: 3272222 (1966-09-01), Allen
patent: 3614111 (1971-10-01), Regan
patent: 3658287 (1972-04-01), Le Rouax
patent: 3897040 (1975-07-01), Le Rouax
Shaffer Tool Works, p. 4564 et seq.-1962-1963 Composite Catalog of Oil Field Equipment & Services-Published by World Oil.

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