Flexible pouch

Details Flexible pouch Flexible pouch

1980-01-14

1981-09-01

Hall, George T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 48T, B65D 3302

Patent

active

042867460

ABSTRACT:
A flat pouch is provided with reinforcements along its opening edge adjacent the predetermined locations where sharp corners are desired when the pouch is opened. The reinforcements resist flexing when the pouch is opened, thus ensuring bending of the pouch material, and the formation of sharp corners, at the predetermined locations.
A method is also provided for opening the pouch, which method ensures reliable formation of the required sharp corners in the predetermined locations.

REFERENCES:
patent: 3596824 (1971-08-01), Lehmacher
patent: 4084689 (1978-04-01), Yamagata
patent: 4088260 (1978-05-01), Stark et al.

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