Metered and active sprayer devices with aerosol functionality (“Flairosol II”)
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United States of America Patent
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Jul 25, 2017
Issued Date -
N/A
app pub date -
Sep 20, 2012
filing date -
May 5, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
“Flairosol” dispensing devices are presented. They utilize a combination of Flair® technology, precompression valves and aerosol like pressurization of the dispensed liquid. An exemplary device has a main body comprising a pressure chamber, the latter being provided with a pressure piston and a pressure spring, a piston and a piston chamber which draws liquid from a container, and fills the pressure chamber with that liquid as a user operates a trigger in various compression and release strokes. The piston chamber has both an inlet valve and an outlet valve, which serve to prevent backflow. A dome valve can be provided near the outlet channel at the top of the dispensing head, such that once its pressure is exceeded by the liquid, it opens and allows for a spray. Alternatively, in an activated embodiment, the dome valve is locked unless opened by a user.
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