Tubing isolation disc valve

Details Tubing isolation disc valve Tubing isolation disc valve

1985-07-19

1986-09-02

Weakley, Harold W.

Fluid handling

Destructible or deformable element controlled

Destructible element

137 71, 166317, 166323, F16K 1714

Patent

active

046090053

ABSTRACT:
In the representative embodiment of the invention disclosed herein, a disc valve is cooperatively arranged to include a disc member of a ductile material which is transversely positioned within an enlarged chamber in the axial bore of a tubular housing and sealingly secured to the housing. A piston-actuated tubular mandrel having a forward position defining a slanted annular cutting edge with a notch on one side thereof is arranged in the housing so that as the mandrel is advanced against the disc, the inclined cutting edge will progressively sever the central portion of the disc from its peripheral portion and progressively bend that part of the central disc portion disposed in the notch outwardly to confine the central disc portion between the housing wall and the exterior of the mandrel.

REFERENCES:
patent: 2616502 (1952-11-01), Lenz
patent: 2958545 (1960-11-01), Stelzer
patent: 3074486 (1963-01-01), Murray
patent: 3779263 (1973-12-01), Edwards
patent: 3887108 (1975-06-01), McDaniel
patent: 3908684 (1975-09-01), Short
patent: 4126184 (1978-11-01), Hinriche
patent: 4245660 (1981-01-01), Rozniecki

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