FORWARD METERING VALVE
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United States of America Patent
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-
N/A
Issued Date -
Jul 15, 2010
app pub date -
May 8, 2006
filing date -
May 10, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A dose metering inhaler for administration via a liquid phase uses a rotating metering element that transports the metered dose from the pressurized canister to the mouthpiece. The metering is improved in that there is an efficient protection against penetration of outside air, and in that the counting of the doses is improved by preventing backwards rotation of the rotating metering element.
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Family
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Cited Art Landscape
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