| 摘要 |
PROBLEM TO BE SOLVED: To provide a foamer dispenser that can prevent backflow of content liquid into an air cylinder to maintain foam quality in good condition.SOLUTION: The foamer dispenser comprises: a hollow stem 7 for supplying content liquid to a nozzle head 14; an air piston 10 that presses and pressure-feeds air in a large diameter cylinder 4b; and a cylindrical guide 10a that is connected integrally to the air piston 10, forms between the hollow stem 7 and the guide a ventilation passage A1 for supplying the nozzle head 14 with air and holds slidably the hollow stem 7, and separates from a flange 7b in association with the slide of the hollow stem 7 so as to open the ventilation passage A1. The flange 7b has: an outer annular wall 7f protruding upward from the outer edge thereof; and a guide rib r that is positioned outside in a radial direction of the cylindrical guide 10a and guided by the cylindrical guide 10a when the hollow stem 7 slides. |
