Metering valve and dispensing apparatus
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United States of America Patent
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Aug 4, 2015
Grant Date -
Mar 4, 2010
app pub date -
Nov 7, 2007
filing date -
Dec 13, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A metering valve (10) for dispensing metered doses of a pressurized product derived from a bulk supply of a pressurized product, the metering valve comprising a valve body (14), a valve stem (11), and sealing means (17,18), the valve stem (11) comprising an outlet for the pressurized product, the valve body (14) defining an internal volume (33), the metering valve further comprising a metering chamber (12), the valve stem being movable between a non-dispensing position in which the metering chamber is, in use, in fluid communication with the bulk supply of pressurized product and a dispensing position in which the metering chamber is in fluid communication with the outlet, characterized in that, in use, the bulk supply of pressurized product is wholly contained within the internal volume (33) of the valve body (14).
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