US 4,184,615 · Granted 1980-01-22

Foam dispensing device

This foam dispensing device includes a flexible container for foamable liquid having a discharge opening at one end. The container is provided with a foam producing assembly which includes a passage leading to the discharge opening and at least one porous member mounted in the passage and having a foam discharging area greater than the cross-sectional area of the passage at the mounting location.

Fig. 1. Illustration of a pump bottle. Not this patent’s official drawing.

Patent details

Publication number
US 4,184,615
Filing date
1977-04-11
Grant date
1980-01-22
Assignee
Wright Hershel E
Inventor(s)
WRIGHT, HERSHEL E
CPC class
A45D27/02

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