Valved gasket for dispenser

摘要: A valving gasket is disclosed for a squeeze bottle sprayer. The includes upper and lower gaskets, each having vent hole flap valve. on the cooperates with valve gasket, gasket. result that two valved paths are created--one incoming air one outgoing air. used to fill dispenser after squeezing, equalize pressure in bottle. directed through path spray chamber intermingled liquid create fine mist pattern. small enough allow escaping but prevent exhausting of all during squeezing. prevents leakage when inverted. may also have liquid. There key-keyway arrangement assisting assembly gaskets so valves holes align.