Flexible pouch with folded spout

Details Flexible pouch with folded spout Flexible pouch with folded spout

1990-10-01

1994-02-15

Lavinder, Jack

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493195, 493210, 493248, B31B 1936

Patent

active

052862488

ABSTRACT:
A flexible pouch formed from a single sheet of plastic material folded over upon itself along an umbrella like fold assembly to provide the opposed walls of a chamber for storing a product and an optional second sheet to form the bottom of the chamber. The walls and the bottom are sealed along their periphery to form the chamber. The pouch has a self-opening spout formed in part by the 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: 2283069 (1942-05-01), Knuetter
patent: 3147674 (1964-09-01), Hoeppner
patent: 3254374 (1966-06-01), Greiner
patent: 4913693 (1990-04-01), Ball

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