Dispensing – Simulations – Firearms
Patent
1975-08-07
1976-07-13
Knowles, Allen N.
Dispensing
Simulations
Firearms
137525, 222477, 222498, 251 75, B67D 508
Patent
active
039689050
ABSTRACT:
Timed release of measured quantities of an aerosol spray is accomplished by attachment of an improved dispenser to a conventional aerosol container. The contents of the container are controllably passed through a porous sintered plug and a flow restricting orifice into a measuring chamber in the body of the dispenser. The exit passage of this chamber is sealed by a spring disk which is concave upward with its periphery seated against a shoulder encircling the exit orifice. As the container contents enter the chamber, the pressure therein rises until it is sufficient to overcome the spring resistance of the disk. When this occurs, the disk snaps into its stressed condition, assuming a concave downward shape. It is then supported on projections formed on the exit orifice shoulder. These projections retain the stressed disk in spaced relation to the exit orifice and allow a quantity of the chamber contents to pass around the disk and escape through a nozzle mounted on the exit orifice. As the chamber contents escape, the pressure within the chamber diminishes until the disk snaps back to its original shape. The cycle is then repeated.
REFERENCES:
patent: 2695766 (1954-11-01), Peltz
patent: 2991911 (1961-07-01), Spain
patent: 3477613 (1969-11-01), Mangel
patent: 3542248 (1970-11-01), Mangel
Continental Can Company Inc.
Kerwin Joseph E.
Knowles Allen N.
Kowalik John J.
Lane Hadd
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