Collapsible container with reinforcing members

Details Collapsible container with reinforcing members Collapsible container with reinforcing members

1978-08-28

1980-02-12

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

B65D 536, B65D 544

Patent

active

041879767

ABSTRACT:
A rectangular, collapsible container includes a collapsible lock bottom structure in which each bottom side flap is glued to a bottom end flap. At least two of the bottom flaps have fold lines which permit the box bottom to collapse inwardly. The container includes cover flaps which extend from the upper edges of side wall panels and which overlap one another in a closed position. Reinforcing members extend from the upper edges of the end wall panels. Each reinforcing member includes a relatively narrow bridge panel which extends toward the opposite end panel and a locking panel of which extends downwardly from the edge of the bridge panel to a position at the bottom of the container at which it engages a bottom or floor panel to help rigidify the container. Preferably, the container is made from a one piece blank of a suitable sheet material such as cardboard or containerboard.

REFERENCES:
patent: 2163117 (1939-06-01), Evans et al.
patent: 2898029 (1959-08-01), Sherman
patent: 2943780 (1960-07-01), Bolding
patent: 3014635 (1961-12-01), Mairs et al.

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