Multi-piece flat top container

Details Multi-piece flat top container Multi-piece flat top container

1989-07-03

1990-05-22

Elkins, Gary

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

53478, 53491, 22912533, 493102, 493183, B65D 4314

Patent

active

049270753

ABSTRACT:
A flat top, thermoplastic coated, paperboard container including a separate cover member and a membrane-type seal, with corner gussets for providing (1) a liquid tight corner construction and (2) top strength and rigitidy for convenient commercial distribution and consumer use. The cover member serves only to protects the membrane, and need only be minimally tack-sealed to the structure to withstand transportation stresses.

REFERENCES:
patent: 1394590 (1921-10-01), Weis
patent: 2737336 (1956-03-01), Moore
patent: 2940654 (1960-06-01), Easter
patent: 3124292 (1964-03-01), Stegner
patent: 3762283 (1973-10-01), Renner
patent: 4397415 (1983-08-01), Lisiecki
patent: 4842188 (1989-06-01), Lisiecki

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