Compressible packing bag

Details Compressible packing bag Compressible packing bag

1985-09-27

1987-04-28

Marcus, Stephen

Flexible bags

Selectively adjustable volume

383120, 150 52E, A45F 400

Patent

active

046619895

ABSTRACT:
A packing bag made of a strong cloth material, combined with a tensioning device which facilitates simple but effective adjustment of the volume of the compressible contents therein. A high degree of compression is achieved by placing two substantially rigid, elongated, stiffening members along the sides of the bag and attaching one or two straps thereto with fasteners. The distance between the stiffening members is controlled by the straps, allowing for the alteration of the volume of the bag. The pressure which appears at compression is divided along the sides of the bag because of the stiffening members, and is not confined to the areas where the straps are attached. The bag can be designed with the opening at either end, thus taking the shape of a cylinder, or with the opening at a wider end, thus taking on a conical shape prior to compression and a cylindrical shape after compression. In alternative embodiments of the invention, the opening can be placed between the stiffeners instead of on either end, enabling easier packing of a larger-size bag, or the bag can be designed in the shape of a cone with the opening at the wide end, so that only one strap is required for adjustment of the upper parts of the stiffening members while the lower parts thereof are firmly attached to the bag.

REFERENCES:
patent: 2795830 (1957-06-01), Leatherman
patent: 3912138 (1975-10-01), Pava
"Tight Wad Compression Stuff Bag", full-color brochure; marketed by Everest Elite, Div. of Slumberjack, P.O. Box 31405, Los Angeles, CA 90031-0405.

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