Valves and valve actuation – Valve actuator is inlet or outlet – Biased valve
Patent
1982-11-18
1985-02-26
Chambers, A. Michael
Valves and valve actuation
Valve actuator is inlet or outlet
Biased valve
251337, 22240222, 267180, F16K 3100, B65D 8300
Patent
active
045014094
ABSTRACT:
A tilt valve for an aerosol can is constructed so that it can be actuated only by transverse tilting forces. An output valve stem assembly is sealed to a valve housing whose inlet communicates with the interior of the aerosol can. A tilt element is biased against the bottom of the output valve assembly so as to seal the interior of the valve housing. A barrel-shaped spring is used to bias the tilt element so that the resistance of the output stem to tilting, and the stroke required for actuation, are reduced. The input stem and the bottom of the tilt element provide a secondary valve which is closed upon the output stem being subject to downward axial forces. Therefore, only transverse forces provided by an automatic actuating device can be used to actuate the tilt valve assembly.
REFERENCES:
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patent: 2650617 (1953-09-01), Wasser
patent: 2852168 (1958-09-01), Suellentrop
patent: 3060965 (1962-10-01), Taggart
patent: 3506241 (1970-04-01), Ewald
patent: 3531086 (1970-09-01), Shannon
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patent: 3572557 (1971-03-01), Graham et al.
patent: 3575323 (1971-04-01), Steinman
patent: 3642180 (1972-02-01), Lehmann
patent: 3675823 (1972-07-01), Steiman
patent: 3907176 (1975-09-01), Harris
patent: 4354621 (1982-10-01), Knickerbocker
Hill James J.
Marven Al
Chambers A. Michael
Cook International, Inc.
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