Vacuum container

Details Vacuum container Vacuum container

1996-08-26

1997-07-29

Cronin, Stephen K.

Receptacles

Closures

Combined or convertible

220231, 220240, 215228, 215262, 215270, 2065248, 141 65, 99454, 99472, 417545, B65D 4156, B65D 5126, B65D 5128, B65D 5130, B65D 5132

Patent

active

056514700

ABSTRACT:
A vacuum container has a vessel and an installed air extraction device covering the vessel. The installed air extraction device has a cap, an air extraction device disposed in the cap, and an air inlet valve passing through a center of the cap. The cap has an inner cover, an outer cover, and a hollow interior defined between the inner cover and the outer cover. An inner sleeve extends downward from the center portion of the outer cover. A spring encloses the middle portion of the air inlet valve. Another spring encloses the inner sleeve.

REFERENCES:
patent: 5398811 (1995-03-01), Latella, Jr.
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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