MULTI-CHAMBER REFILL UNIT AND DISPENSERS
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United States of America Patent
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app pub date -
Sep 9, 2015
filing date -
Sep 12, 2014
priority date (Note) -
Abandoned
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Abstract
Exemplary embodiments of refill units and dispensers are provided herein. An exemplary refill unit or dispenser includes an air pump portion having a flexible plastic portion that includes a first side and a second side, an inlet valve, a foam located between the first side and the second side and an air outlet valve. A liquid pump portion is included that has a flexible plastic portion that includes a first side and a second side, a liquid inlet, a foam located between the first side and the second side and a liquid outlet valve for allowing liquid out of the liquid pump portion is included. A foaming chamber is located downstream of the liquid outlet valve and the air outlet valve. The foaming chamber has a flexible plastic portion having a first side and a second side, and an open cell foam located there between.
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