Evacuatable or inflatable plastic bag

Details Evacuatable or inflatable plastic bag Evacuatable or inflatable plastic bag

1992-02-25

1993-08-31

Shoap, Allan N.

Special receptacle or package

Evacuated

383 3, 383 41, 383 63, B65D 8120

Patent

active

052401120

ABSTRACT:
A thin flexible plastic bag having a permanently closed end and an open end with a main zipper closure formed of mateable male and female interlockable portions extending across the entire open end. The bag is provided with a stem and pinch valve construction with which the bag can be orally evacuated for sealing its contents in a vacuum-tight condition or with which the bag can be orally inflated and then used as a packing around breakables.

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patent: 5142970 (1992-09-01), Erkenbrack

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