Envelopes – wrappers – and paperboard boxes – Paperboard box – Including an access opening in a sidewall intended to permit...
Patent
1989-05-24
1990-02-13
Elkins, Gary
Envelopes, wrappers, and paperboard boxes
Paperboard box
Including an access opening in a sidewall intended to permit...
221302, 221305, 229117, B65D 536
Patent
active
048999296
ABSTRACT:
A self-erecting container 20 has a removable section 32 adjacent the engaging panels of a self-erecting end structure, and a permanent web which supports the self-erecting structure notwithstanding separation of the removable panel. A front side wall panel 24 has a removable section 32 at an end of the container adjacent the self-erecting structure 42, 44, 54, 56. A flap panel 44 is attached at least initially to the removable section 32. An end panel 56 adjacent the flat panel 44 has a back-folded tab 62 fixed to the flap panel 44 by a permanently attached web 60, maintaining the structural integrity of the self-erecting container bottom when removable section 32 is separated from front side wall panel 24.
REFERENCES:
patent: 3207380 (1965-09-01), Hennessey
patent: 3494536 (1970-02-01), Henry
patent: 3517875 (1970-06-01), Wakefield
patent: 3568883 (1971-03-01), Reynolds
patent: 3731873 (1973-05-01), Brangle, Jr.
patent: 3889867 (1975-06-01), Berg
patent: 3927824 (1975-12-01), Razziano
patent: 4222598 (1980-09-01), Ullger
patent: 4550834 (1985-11-01), Fletcher et al.
patent: 4739224 (1988-04-01), Zimmermann
patent: 4805765 (1989-02-01), Barrett et al.
Elkins Gary
Triangle Container Corporation
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