Gasket and valve construction

Details Gasket and valve construction Gasket and valve construction

1974-11-15

1976-11-09

Weakley, Harold W.

Valves and valve actuation

With means to increase head and seat contact pressure

Fluid pressure

251192, 251195, 251357, F16K 2500

Patent

active

039906760

ABSTRACT:
A resilient sealing gasket of patch-like shape having a ring-like sealing lip that defines a continuous pressure chamber open to receive positive fluid flow, is mounted in a shape-conforming positioning on a valve control body that is adapted to be moved, slid or rotated into and out of a fluid flow closing-off position within a valve housing. The sealing portion of the gasket is cross connected along its central area, and the valve housing defines a fluid passageway therein that is serviced by inlet and outlet ports. A second sealing lip is also shown that is sensitive to positive fluid pressure applied in a direction opposite to fluid pressure applied to the first-mentioned sealing lip.

REFERENCES:
patent: 612394 (1898-10-01), Bernardi
patent: 1880700 (1932-10-01), Beynon
patent: 2505270 (1950-04-01), Allen
patent: 2683464 (1954-07-01), St. Clair
patent: 2844353 (1958-07-01), Gurries
patent: 2852226 (1958-09-01), Wheatley
patent: 3010477 (1961-11-01), Graham
patent: 3327429 (1967-06-01), Slaughter
patent: 3761347 (1973-09-01), Yackiw

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