Container system including an air evacuation valve

Details Container system including an air evacuation valve Container system including an air evacuation valve

1997-08-26

1999-08-31

Cronin, Stephen K.

Receptacles

Closures

With condition responsive vent or valve

22020328, 2203671, 220805, 220806, B65D 5116

Patent

active

059442115

ABSTRACT:
A container system includes a one-piece, one-way valve. The container system can be evacuated by pressing the lid, thereby forcing air out of the one-way valve. The one-way valve does not allow air to enter the container system. The one-way valve includes an interface or release which allows air to enter the container system when the interface is pressed. The one-way valve is preferably an umbrella-shaped valve made of a silicone or plastic.

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