Foamer trigger dispenser with sealing device

摘要

The invention is particularly directed to a trigger sprayer having structure for foaming a dispensed liquid where the structure is adapted for adjustments to vary the foam pattern of the dispensed liquid to obtain an optimum foam pattern for any particular liquid, and to the incorporation of a device integral with the sprayer nozzle housing for sealing the opening of a foam dispensing passage of the foamer trigger sprayer.