Foam dispenser
OwnerHershel Earl Wrightinventor
Life of this patent
Estimating the term…
Abstract
This foam dispenser includes a flexible container for foamable liquid, having a discharge opening at the upper end. A porous member is housed in the discharge opening and a conduit communicating with said porous member extends downwardly into the interior of the container. A flow directing valve system within the conduit determines the path of air and liquid through the conduit and the porous member during manual pressurization and depressurization of the container. The foamable liquid and air are isolated from each other by a bag member disposed within the container.
Claims14
A foam dispensing device comprising:
- a. a flexible container for holding a foamable liquid having a dishcarge port,
- b. a porous member separating the area adjacent said discharge port and the inside of said container,
- c. air bag means disposed within the container for holding an air supply isolated from said liquid,
- d. conduit means communicating between the porous member and the air bag means, and including means permitting an air flow into the air bag means, and
- e. a flow directing means associated with the conduit means for directing air from inside the air bag means through the conduit means and into the porous member while the foamable liquid is being directed into the porous member from inside of said container during pressurization of the container.
A foam dispensing device comprising:
- a flexible container for holding a foamable liquid having a discharge port,
- b. a porous member separating the area adjacent said discharge port and the inside of said container,
- c. air bag means disposed within the container for holding an air supply isolated from said liquid,
- d. conduit means communicating between the porous member and the air bag means, and permitting an air flow into the air bag means, said conduit means extending at least substantially through said porous member and including a first opening leading to the porous member and a second opening leading to the area adjacent said discharge port, and
- e. a flow directing means associated with the conduit means for directing air from inside the air bag means through the conduit means and into the porous member while the foamable liquid is being directed into the porous member from inside of said container during pressurization of the container and including valve means associated with said second opening to substantially close said second opening during said pressurization.
A foam dispensing device comprising:
- a. a flexible container for holding a foamable liquid and air, said container having a discharge port,
- b. a porous member separating the area adjacent said discharge port and the inside portion of said container,
- c. a conduit means communicating between the inside portion of said container and the porous member, including means permitting an air flow into the container, and
- d. a flow directing means associated with the conduit means for directing one of said fluids from inside the container through the conduit means into the porous member, while the other of said fluids, is being directed into the porous member from inside of said container by a different path during pressurization of the container.
Dependencies are inferred from the claim text.