Vent plug for self-contained viscous liquid dispenser

Details Vent plug for self-contained viscous liquid dispenser Vent plug for self-contained viscous liquid dispenser

A - Human Necessities

47

K

A47K 5/12 (2006.01)

Patent

CA 2549126

A self-contained viscous liquid dispenser having an improved vent valve is provided. The vent valve inclues a plug member having a sealing ridge at its perimeter. The vent valve is activated at reduced pressure differentials between the inside and outside of the dispenser. The vent valve also provides redundant sealing capability.

L'invention concerne un distributeur de liquide visqueux autonome équipé d'une valve de mise à l'air libre améliorée. Cette valve de mise à l'air libre comprend un élément d'obturation comportant un bord d'étanchéité sur son périmètre. La valve de mise à l'air libre est activée lors de différences de pression réduites entre l'intérieur et l'extérieur du distributeur. La valve de mise à l'air libre peut être ouverte et fermée de façon répétée.

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