Flexible pouch with folded spout

Details Flexible pouch with folded spout Flexible pouch with folded spout

1990-02-12

1991-10-22

Marcus, Stephen

Flexible bags

With means to maintain the bag mouth in an open configuration

383104, 383906, 222572, 222575, B65D 3338

Patent

active

050590359

ABSTRACT:
A flexible pouch having opposed walls closed around their periphery to define a chamber for storing a product. The pouch has a self-opening spout forming in part by a fold assembly which expands and springs open when the sealed end of the spout is cut off. The fold assembly not only provides a large spout opening, but also provides a spring force which keeps the spout open so that all the product may be emptied from the chamber.

REFERENCES:
patent: 1787710 (1931-01-01), Wilson
patent: 2866488 (1958-12-01), Thompson
patent: 2998340 (1961-08-01), Conway et al.
patent: 2999627 (1961-09-01), Reinhardt
patent: 3171581 (1965-03-01), Kugler
patent: 3318505 (1967-05-01), Garrison et al.
patent: 3473703 (1969-10-01), Lippincott
patent: 3502521 (1970-03-01), Doyen et al.
patent: 3663239 (1972-05-01), Rowe et al.

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