Dispensing – With discharge assistant – Fluid pressure
Patent
1997-01-23
1998-05-19
Derakshani, Philippe
Dispensing
With discharge assistant
Fluid pressure
222564, B65D 8314
Patent
active
057526311
ABSTRACT:
Disclosed herein is a valve device for an aerosol container, comprising a housing the upper end of which is fixed to the interior of a lid, a partition wall arranged in the housing and provided with an insertion hole, an upper chamber provided above the partition wall, a lower chamber provided below the partition wall, a stem vertically movably installed in the upper chamber and provided with a pressing part at its lower end, the upper end of said stem being biased and projected outward from the lid through a stem gasket, a change-over valve vertically movably installed in the lower chamber facing the pressing part situated at the lower end of the stem, and a flow path for small spraying, which is made in the change-over valve and communicates the upper chamber with the lower chamber, wherein the change-over valve is pressed against and biased toward a valve seat provided on the lower surface of the partition wall, whereby the communication of the upper chamber with the lower chamber is cut off except for through the flow path for small spraying, and the insertion hole can be opened by pressing down the change-over valve by the stem.
REFERENCES:
patent: 3396874 (1968-08-01), Malone
patent: 4396152 (1983-08-01), Abplanalp
Hoshino Kazunori
Yabuno Kimio
Derakshani Philippe
Soft 99 Corporation
Toyo Aerosol Industry Co. Ltd.
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