Dispensing – With plural openings or discharge guides – Having flow controllers or closures
Patent
1992-03-05
1994-05-10
Kashnikow, Andres
Dispensing
With plural openings or discharge guides
Having flow controllers or closures
1374938, 222212, 222490, 222494, B67D 300
Patent
active
053101120
ABSTRACT:
A valving gasket is disclosed for a squeeze bottle sprayer. The gasket includes upper and lower gaskets, each having a vent hole and a flap valve. The vent hole on the upper gasket cooperates with the flap valve on the lower gasket, and the vent hole on the lower gasket cooperates with the flap valve on the upper gasket. The result is that two valved vent paths are created--one for incoming air and one for outgoing air. The incoming air is used to fill the dispenser after squeezing, to equalize pressure in the bottle. The outgoing air is directed through a vent path to a spray chamber and is intermingled with outgoing liquid to create a fine mist spray pattern. The outgoing air vent is small enough to allow escaping air but to prevent exhausting of all pressure during squeezing. The outgoing air flap valve prevents leakage through the outgoing air hole when the bottle is inverted. The upper gasket may also have a flap valve for the outgoing liquid. There is also disclosed a key-keyway arrangement for assisting in assembly of the gaskets so that the valves and holes align.
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Kashnikow Andres
Kaufman J. A.
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