Tray-like container

Details Tray-like container Tray-like container

1975-04-07

1976-08-10

Lowrance, George E.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 30, 229 32, B65D 524, B65D 526

Patent

active

039737225

ABSTRACT:
A tray-like container of a plastic coated paper blank having a base panel, which has four or more even numbers of side edges, side walls, corner portions, a peripheral portion extending along side walls and corner portions, and a pig-tail like folding line formed in each corner portion of the peripheral portion, of which a flange of the tray-like container is formed. The pig-tail like folding line assists in the outward bending of the peripheral portion so that it forms the outwardly projecting flange of the tray-like container. The outer shape of the tray-like container is forcedly molded by a movable and stationary complementary moulds.

REFERENCES:
patent: 2643812 (1953-06-01), Lange
patent: 3358901 (1967-12-01), Wainberg
patent: 3536248 (1970-10-01), Odenhagen
patent: 3550835 (1970-12-01), Persson

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