Valve apparatus

Details Valve apparatus Valve apparatus

1979-03-14

1980-07-01

Leppink, James A.

Wells

Valves, closures or changeable restrictors

Rotated operator

251251, 251352, E21B 4312

Patent

active

042102073

ABSTRACT:
A valve apparatus is provided for use in a subterranean well and is responsive to manipulation of a fluid transmission conduit to manipulate a valve head relative to a valve seat between open and closed positions, the valve head means comprising camway slot means defined exteriorly thereon. Camway ball means are secured to the valve seat means and carriable in the camway slot means to pivot the valve head means as the head is rotated relative to its seat.

REFERENCES:
patent: 3386701 (1968-06-01), Potts
patent: 4130166 (1978-12-01), Akkerman et al.

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