Foam dispensing device
First Claim
1. A foam dispensing device comprising, in combination,a a flexible container for holding a foamable liquid and air having a discharge port at its upper end,b a porous member separating the area adjacent said discharge port and the inside portion of said container,c a conduit means extending longitudinally at least substantially through said porous member said conduit means including an opening communicating with the inside portion of said container, an opening communicating with the porous member and an air re-entry opening, andd a directional valve system associated with the air re-entry opening for precluding outward fluid flow through the air re-entry opening and directing fluid from inside the container through the conduit means into the porous member through said opening communicating with said porous member when the container is pressurized.
2 Assignments
0 Petitions
Accused Products
Abstract
A foam dispensing device having a foaming member and valve system in a flexible container designed to produce a quality foam when the container is pressurized regardless of the position of the container.
94 Citations
8 Claims
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1. A foam dispensing device comprising, in combination,
a a flexible container for holding a foamable liquid and air having a discharge port at its upper end, b a porous member separating the area adjacent said discharge port and the inside portion of said container, c a conduit means extending longitudinally at least substantially through said porous member said conduit means including an opening communicating with the inside portion of said container, an opening communicating with the porous member and an air re-entry opening, and d a directional valve system associated with the air re-entry opening for precluding outward fluid flow through the air re-entry opening and directing fluid from inside the container through the conduit means into the porous member through said opening communicating with said porous member when the container is pressurized.
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7. A foam dispensing device comprising, in combination,
a a flexible container for holding a foamable liquid and air having a discharge port at its upper end, b a porous member separating the area adjacent said discharge port and the inside portion of said container, c a conduit means extending substantially between said porous member and the inside portion ot the container said conduit means including an opening within the inside portion of said container, an opening communicating with the porous member, and an air re-entry opening, and d a directional valve system associated with the air re-entry opening for precluding outward fluid flow through the air re-entry opening and directing one of said fluids from inside the container through the conduit means into the porous member through said opening communicating with said porous member, while the other of said fluids is directed into said porous member by a different path, when the container is pressurized.
Specification