Self-closing bag

Details Self-closing bag Self-closing bag

1992-04-06

1993-01-05

Garbe, Stephen P.

Flexible bags

With closure

Self-closing type

63 11, 24 305P, 383 40, 383 89, 446486, B65D 3330

Patent

active

051764520

ABSTRACT:
A self-closing bag is disclosed as having front and rear sidewalls which are interconnected at their side edges and top and bottom. A spring strip holder in the form of a longitudinal slot extends from near a top edge to near a bottom edge of the bag on at least one of the front and rear sidewalls. The holder is designed to accept a self-rolling spring strip which has a concave top surface and convex bottom surface. The spring strip has the property of remaining straight when unrolled but self-rolling when it is slightly bent from its straight condition. The spring strip when provided in the bag serves to roll the top of the bag down to seal the bag once it is opened. When the bag is reopened, the user may straighten the spring strip again to thereby hold the bag in its opened condition.

REFERENCES:
patent: 892330 (1908-06-01), Tavis
patent: 1960232 (1934-05-01), Corbe
patent: 2232888 (1941-02-01), Schimelmitz
patent: 2793743 (1957-05-01), Lefebvre
patent: 2884980 (1959-05-01), Miller
patent: 3142437 (1964-07-01), Grant et al.
patent: 3201030 (1965-08-01), Pollack
patent: 3217934 (1965-11-01), Schneider et al.
patent: 3410023 (1968-11-01), Anello
patent: 3537636 (1970-11-01), Rochette
patent: 3889871 (1975-06-01), White
patent: 4795268 (1989-01-01), Jorda
patent: 4997104 (1991-03-01), Pohl

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