Valve device for aerosol container

Details Valve device for aerosol container Valve device for aerosol container

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

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