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US 4,184,615 AGranted
Foam dispensing device
OwnerHershel E. Wrightinventor
Life of this patent
Estimating the term…
Abstract
This foam dispensing device includes a flexible container for foamable liquid having a discharge opening at one end. The container is provided with a foam producing assembly which includes a passage leading to the discharge opening and at least one porous member mounted in the passage and having a foam discharging area greater than the cross-sectional area of the passage at the mounting location.
Claims7
A foam dispensing device comprising:
- (a) a flexible container for holding a foamable liquid and air having a discharge port,
- (b) foam producing means separating the area adjacent said discharge port and the interior of the container including:
- (1) passage means from the interior of the container leading to the discharge port, said passage means having a cross sectional area smaller than the container,
- (2) at least one porous member mounted in the passage means, the porous member having a foam discharging surface area greater than the minimum cross-sectional area of the passage means at the mounting location.
1 more element
A foam dispensing device comprising:
- (a) a flexible container for holding a foamable liquid and air having a discharge port,
- (b) foam producing means separating the area adjacent said discharge port and the interior of the container including:
- (1) passage means leading to the discharge port,
- (2) a primary foam producing stage and a secondary foam producing stage disposed outwardly of the primary foam producing stage, said secondary foam producing stage including a stationary porous member mounted in the passage means, the porous member having a foam discharging surface area greater than the minimum cross-sectional area of the passage means at the fixed mounting location.
1 more element
Dependencies are inferred from the claim text.