Combination collapsable self-erecting self-locking carton

Details Combination collapsable self-erecting self-locking carton Combination collapsable self-erecting self-locking carton

1980-04-14

1981-09-29

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 39R, B65D 536

Patent

active

042918286

ABSTRACT:
A self-erecting, collapse-resistant, self-locking carton is formed from a single blank of material. The bottom of the box is formed by two inward folding bottom sections. Each bottom section is formed from two elements and includes a scored locking flap. Forcing the box from a flat folded condition to an upright condition interengages and latches the two bottom sections together. Folding, tearing or removing the locking flaps disables the self-locking collapse-resistant feature thereby permitting the box to be refolded to the flat condition.

REFERENCES:
patent: 2011232 (1935-08-01), Parks et al.
patent: 2017724 (1935-10-01), Neumann
patent: 2284283 (1942-05-01), Himes
patent: 2326417 (1943-10-01), Ullrich
patent: 2388190 (1945-10-01), Smart
patent: 2676750 (1954-04-01), Gastright
patent: 2914237 (1959-11-01), Malmad
patent: 3455498 (1969-07-01), Gadier
patent: 3494536 (1970-02-01), Henry

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