Foaming cartridge
First Claim
Patent Images
1. A foam dispenser having foaming cartridge for dispensing an formulation containing alcohol comprising:
- a dispenser housing;
a container containing a formulation containing alcohol;
a multi-diaphragm sequentially activated pump located within the housing having at least one fluid pumping diaphragm in fluid communication with the formulation containing alcohol and at least two air pumping diaphragms;
a mixing chamber in fluid communication with an outlet of the at least one fluid pump diaphragm and the at least two air pump diaphragms;
a foaming cartridge in fluid communication with the mixing chamber;
the foaming cartridge havinga housing;
a foaming stage having two or more mix media;
wherein at least two of the mix media are sponges, one being an upstream sponge and one being a downstream sponge;
wherein at least two sponges have different porosities.
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Accused Products
Abstract
Foaming cartridge for use with a foam pump, refill unit or foam dispenser includes a housing and a foaming stage disposed within the housing. The foaming stage includes two or more mix media located within the foaming stage. At least two of the mix media are sponges and the sponges have different porosities.
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Citations
20 Claims
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1. A foam dispenser having foaming cartridge for dispensing an formulation containing alcohol comprising:
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a dispenser housing; a container containing a formulation containing alcohol; a multi-diaphragm sequentially activated pump located within the housing having at least one fluid pumping diaphragm in fluid communication with the formulation containing alcohol and at least two air pumping diaphragms; a mixing chamber in fluid communication with an outlet of the at least one fluid pump diaphragm and the at least two air pump diaphragms; a foaming cartridge in fluid communication with the mixing chamber; the foaming cartridge having a housing; a foaming stage having two or more mix media; wherein at least two of the mix media are sponges, one being an upstream sponge and one being a downstream sponge; wherein at least two sponges have different porosities. - View Dependent Claims (2, 3, 4)
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5. A foam cartridge for a foam dispenser comprising:
a housing; a foaming stage having four mix media; wherein at least two of the mix media are sponges wherein the at least two sponges have different porosities; wherein the four mix media include an inlet screen, an upstream sponge, a downstream sponge, and an outlet screen; wherein the inlet screen is adjacent to the upstream sponge; wherein the upstream sponge is adjacent to the downstream sponge; and wherein the downstream sponge is adjacent to the outlet screen.
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6. A foam dispenser comprising:
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a housing; a motor; a foam pump wherein the foam pump includes; a wobble plate; a plurality of pump diaphragms wherein each pump diaphragm is connected to the wobble plate; a mixing chamber; at least one foaming stage disposed in a housing; two or more mix media located within the foaming stage; wherein at least two of the mix media are sponges, including an upstream sponge and a downstream sponge; wherein the upstream sponge and the downstream sponge have different porosities; and an outlet for dispensing foam. - View Dependent Claims (7, 8)
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9. A foam dispenser comprising:
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a housing; a motor; a sequentially activated multi-diaphragm foam pump having; a liquid pump diaphragm for pumping liquid into a mixing chamber; a first air pump diaphragm for pumping air into the mixing chamber; and a second air pump diaphragm for pumping air into the mixing chamber; wherein the liquid pump diaphragm, the first air pump diaphragm and the second air pump diaphragm are compressed sequentially to pump liquid and air; a foam cartridge downstream of the mixing chamber wherein the foam cartridge includes; at least one foaming stage; two or more mix media located within the foaming stage; wherein at least two of the mix media are sponges comprising an upstream sponge and a downstream sponge; wherein the upstream sponge and the downstream sponge have different porosities; and a foam outlet located downstream of the foam cartridge. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification