Box structure with increased resistance to base opening

Details Box structure with increased resistance to base opening Box structure with increased resistance to base opening

1988-11-21

1990-01-02

Marcus, Stephen

Envelopes, wrappers, and paperboard boxes

Paperboard box

Tamper indicating

229152, 229153, 229183, 229185, B65D 510

Patent

active

048907898

ABSTRACT:
A box structure with increased resistance to the opening of its base due to the weight of its contents has in the closure tab for its base a shaped notch which when the box is closed forms a slot parallel and adjacent to the folding line of said tab. From each of the relative box closure tabs, in correspondence with said slot, there projects a tooth which extends to touch the inner side wall of the box, the width of said teeth being just smaller than the length of the slot.

REFERENCES:
patent: 1566196 (1925-12-01), Garcia
patent: 1989659 (1935-03-01), Adsit et al.
patent: 2039315 (1936-05-01), Heineman
patent: 2116652 (1938-05-01), Adler
patent: 3578154 (1971-05-01), Martelli
patent: 4535929 (1985-08-01), Sherman, II et al.
patent: 4752028 (1988-06-01), Ogura
patent: 4770338 (1988-09-01), Tatusch

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