Container with interlocking corners

Details Container with interlocking corners Container with interlocking corners

1978-10-05

1980-02-19

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 35, B65D 530

Patent

active

041890884

ABSTRACT:
A panel locking means is provided for securing together two or more corrugated paperboard panels in face-to-face contact. For this purpose, the panels to be secured together are provided with notches which have a narrow entry portion along the edge of a panel and taper outwardly to a wider base portion interiorly of the panel, and locking tabs which have a relatively narrow hinge portion interiorly of a panel and taper outwardly to a wider end portion along the edge of the panel.

REFERENCES:
patent: 2846132 (1958-08-01), Carpenter
patent: 3008626 (1961-11-01), Lawrence
patent: 3246829 (1966-04-01), Sexton
patent: 3335935 (1967-08-01), McCallum
patent: 3616989 (1971-11-01), Martinek
patent: 3655112 (1972-04-01), Jeffers
patent: 3682369 (1972-08-01), Isakson

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