Expandable container frame

Flexible bags – With means to maintain the bag mouth in an open configuration – Hinged mouth stiffeners

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Details

141390, 141391, 248100, B65D 3302

Patent

active

048158666

ABSTRACT:
A foldable and expandable frame for use independently of or as a part of a wall mounted system for reinforcing the opening periphery of a flexible container, such as a plastic bag or the like, to facilitate filling and emptying of the container. The frame includes a pair of identical frame members each hinged centrally thereof and at opposite ends interconnected with integral hinge pin portions to facilitate expanding movement of the frame from a folded parallel storage position to an expanded container reinforcing and holding position. The frame members include an integral locking arrangement which releasably locks the frame members in the storage and expanded positions. Bracket mounting means are included in the system to mount the frame on a vertical supporting surface.

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patent: 4273167 (1981-06-01), Stillwell
patent: 4601315 (1986-07-01), France

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