Collapsible, self-expanding liquid container

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

Patent

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Details

383 43, 383 71, 383127, 220 92, 220904, B65D 3330

Patent

active

054294371

ABSTRACT:
A liquid container especially suited for use in the capture of liquid hazardous materials is disclosed, the container comprising a bottom, preferably circular, and a generally vertical wall, preferably annular or conical, attached to the perimeter of the bottom to form a container with a large open top. The bottom and wall are composed of a flexible, liquid impermeable material, preferably a material that is also chemical resistant and wear resistant. The container may further comprise a liner. The top edge of the wall incorporates a semi-rigid floating member which completely encircles the opening, the floating member being collapsible or foldable for storage purposes. The perimeter portion of the bottom incorporates a structural or frame member which is composed of a flexible, resilient material which provides rigidity to the perimeter and acts to spread the bottom to its maximum size. The frame member is collapsible on itself such that the device can be collapsed into a small size for storage. The frame member is self-opening from the collapsed state to the full open rigid state.

REFERENCES:
patent: 1897018 (1933-02-01), Draheim
patent: 2664131 (1953-12-01), Miller
patent: 2754869 (1956-07-01), Bartels
patent: 2854049 (1958-09-01), Wyllie

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