Hermetic sealed carton

Details Hermetic sealed carton Hermetic sealed carton

1978-07-24

1980-01-29

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 17R, B65D 572, B65D 502

Patent

active

041857658

ABSTRACT:
A hermetically sealed carton of the type having a generally rectangular cross-section with four side walls, a bottom closure and a top closure including a vertical fin formed by a face-to-face seal of the outer portions of two opposed top closure flaps integrally formed with and hingedly attached to opposed side walls and triangular folds integrally formed with and hingedly attached to the other opposed side walls, with the improvement comprising means joining said fin portions only at the base thereof in a face-to-face relationship and scorelines placed in said fin portions such that when an upward pressure is applied to one of said triangular folds of said top closure, said fin portions separate at said scorelines above said joining means to allow easy access for separating said fin portions.

REFERENCES:
patent: 2087934 (1937-07-01), Anderson
patent: 2300703 (1942-11-01), Ray
patent: 2321139 (1943-06-01), Gruger
patent: 3172594 (1965-03-01), Kuchenbecker
patent: 3203614 (1965-08-01), Larson et al.
patent: 3227353 (1966-01-01), Bump
patent: 3269644 (1966-08-01), Bump
patent: 3327920 (1967-06-01), Hynes et al.
patent: 3797726 (1974-03-01), Reil

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