Blank for easily opened box and the box formed from such blank

Details Blank for easily opened box and the box formed from such blank Blank for easily opened box and the box formed from such blank

1995-02-01

1996-08-27

Shoap, Allan N.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Having means to facilitate opening the box by severing box...

229237, B65D 1728

Patent

active

055492436

ABSTRACT:
A box blank can be used for American boxes (10), the main flaps (20, 20', 22, 22') of which have dimensions practically equal to the opening of the box and which are glued to each other to close this box. The outer top flap (20) has a perforation (30) located in the vicinity of the fold and the inner top flap (22) has a first cutout (40) adapted so as not to interfere with the pressing down of the middle part (36) of the perforation (30) during the opening of the box, and a second cutouts (42, 44) adapted so as not to interfere with the tearing off of the outer top flap 20 when the box is opened completely.

REFERENCES:
patent: 2854184 (1958-09-01), Heine
patent: 2970743 (1961-02-01), Joseph et al.
patent: 3522907 (1970-08-01), Utterback
patent: 3580482 (1971-05-01), Witte
patent: 3606135 (1971-09-01), Rosenburg, Jr.
patent: 3829006 (1974-08-01), Spiegel
patent: 3865322 (1975-02-01), Hennessey
patent: 3958748 (1976-05-01), Smith et al.
patent: 4676430 (1987-06-01), Wischusen, III et al.

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