Closure for vacuum-sealed containers with resealable pressure re

Details Closure for vacuum-sealed containers with resealable pressure re Closure for vacuum-sealed containers with resealable pressure re

1998-01-06

1999-09-21

Bhat, Nina

Food or edible material: processes, compositions, and products

Packaged or wrapped product

426123, 215262, 220271, B65D 8500, B65D 5116, B65D 1732

Patent

active

059551275

ABSTRACT:
A food container, of the type having a quantity of food vacuum-packed within a body of the container with a closure affixed on an open end of the body of the container, is provided with a low cost improvement for facilitating removal of the closure from the body of the container in the form of a vent opening extending through a wall of the closure overlying the open end of the container and a flexible film strip, a portion of which is sealed to the wall around an area overlying the vent opening. A portion of the film strip which overlies the vent opening is designed to be released from closure wall for equalizing the pressure within the container with that external thereto by pulling up on an unsecured end portion of the film strip. Furthermore, after releasing of the vacuum in the container, the film strip is able to be re-adhered over the vent opening. Additionally, the vent opening and the film strip are located within a locally recessed portion of closure wall so as to prevent inadvertent dislodging of the film strip or damage to it.

REFERENCES:
patent: 3850330 (1974-11-01), Koontz et al.
patent: 4960206 (1990-10-01), Johannes
patent: 5460285 (1995-10-01), Harding, Sr.
patent: 5584409 (1996-12-01), Chemberlen
patent: 5692632 (1997-12-01), Hsieh et al.
patent: 5713481 (1998-02-01), Jordan
patent: 5779082 (1998-07-01), Miramon

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