Container with a self-contained evacuation lid

Details Container with a self-contained evacuation lid Container with a self-contained evacuation lid

1996-05-01

1997-12-02

Cronin, Stephen

Receptacles

Closures

Combined or convertible

220240, 215228, 215262, 215270, B65D 3104

Patent

active

056926324

ABSTRACT:
This invention relates to a container with a self-contained evacuation lid. The container is provided for preserving food and is closed on the top by the evacuation lid. The lid includes a piston rod to be reciprorated up and down such that air inside the container is pumped out. An elastic element is fitted under the piston rod to bias a depressed part of the lid upward for an upward stroke when the depressed part is released after the downward movement. A valve rod is pulled to release the vacuum of the container for removal of the lid.

REFERENCES:
patent: 5390809 (1995-02-01), Lin
patent: 5406992 (1995-04-01), Miramon
patent: 5469979 (1995-11-01), Chiou
patent: 5546997 (1996-08-01), Miramon
patent: 5558243 (1996-09-01), Chu
patent: 5564480 (1996-10-01), Chen
patent: 5564581 (1996-10-01), Lin

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