F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
222/59, 128/71
F16K 21/04 (2006.01) B65D 83/14 (2006.01) G01F 11/02 (2006.01) A61M 15/00 (2006.01)
Patent
CA 1281012
Abstract of the Disclosure The present invention relates to metering valves and methods for repeatably delivering a precise amount of a pressurized fluid such as an aerosol. Each metering valve is configured such that the metering chamber exists only upon actuation of the valve stem to dispense a dosage. Thus, the metering chamber is created, filled with aerosol formulation, and emptied during the brief moment that the valve stem is depressed and subsequently released by the user to dispense a dosage. Alternative embodiments of the present invention also include means for pressure filling an aerosol container through such a metering valve.
544196
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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