VENT VALVES AND REFILL UNITS WITH VENT VALVES FOR USE WITH INVERTED NON-COLLAPSING CONTAINERS
An exemplary refill unit for a dispenser includes an inverted non-collapsing container for holding a liquid. A pump housing is secured to the bottom of the inverted non-collapsing container. The pump housing includes a pump chamber for pumping fluid out of the inverted non-collapsing container. The...
Saved in:
Main Author | |
---|---|
Format | Patent |
Language | English French German |
Published |
05.08.2020
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | An exemplary refill unit for a dispenser includes an inverted non-collapsing container for holding a liquid. A pump housing is secured to the bottom of the inverted non-collapsing container. The pump housing includes a pump chamber for pumping fluid out of the inverted non-collapsing container. The pump housing includes an annular venting chamber. The annular venting chamber has a floor with an opening therethrough. A vent valve is located within the venting chamber. The vent valve has a first wiper seal in contact with a wall of the annular venting chamber. |
---|---|
Bibliography: | Application Number: EP20160738909 |