Valves and valve actuation – Valve
Patent
1981-04-02
1983-08-09
Chambers, A. Michael
Valves and valve actuation
Valve
251357, 141206, 222509, F16K 3160
Patent
active
043974473
ABSTRACT:
An improved poppet valve constructed having a lower member partially mating and fitting within an upper portion is constructed in the shape of a top hat, and with the lower member having a formed shoulder upon which a gasket seats, and being biased thereagainst by means of the flanged upper portion of the valve, with a spring forcing these various components, including the gasket, against the valve seat of the body of the dispenser. An aperture is formed through the base member of the valve, and opens into that location between this base member and the upper portion of the poppet valve, thereby effectively venting any encapsulated air located between these two components, or to prevent the development of any vacuum therein.
REFERENCES:
patent: 2874996 (1959-02-01), Zajac
patent: 3817285 (1974-06-01), Wilder et al.
patent: 3877480 (1975-04-01), Hughes et al.
patent: 4016910 (1977-04-01), Dumpis et al.
patent: 4031930 (1977-06-01), Sutcliffe et al.
Chambers A. Michael
Denk Paul M.
Husky Corporation
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