Self-supporting polymer bag and method of manufacture

Details Self-supporting polymer bag and method of manufacture Self-supporting polymer bag and method of manufacture

1990-05-29

1992-10-27

Marcus, Stephen

Flexible bags

Free-standing

383120, 383121, B65D 3302

Patent

active

051583712

ABSTRACT:
A flexible expandable plastic bag self-supporting when open with a rigidifying panel mounted for pivotal movement as the bag is snapped open.

REFERENCES:
patent: 2057748 (1936-10-01), Smith
patent: 2271962 (1942-02-01), Weiner
patent: 2650016 (1953-08-01), McMillan
patent: 3682372 (1972-08-01), Rodley
patent: 3738565 (1973-06-01), Ackley et al.
patent: 4848931 (1989-07-01), Kamada et al.
patent: 4930903 (1990-06-01), Mahoney

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