Flat top container and blank for constructing same

Details Flat top container and blank for constructing same Flat top container and blank for constructing same

1992-11-13

1994-08-09

Shoap, Allan N.

Envelopes, wrappers, and paperboard boxes

Paperboard box

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

229133, 229137, 229223, B63D 1732

Patent

active

053358473

ABSTRACT:
A flat top thermoplastic coated container and blank including side edge panels, a front edge panel adaptable to being folded back onto itself and having an arcuate-shaped perforated line formed thereon, and a cover panel. The perforated line breaks upon the cover panel being opened to form a horizontal, arcuate-shaped pouring edge. The side edge panels are wider adjacent the cover panel than adjacent the front edge panel to effectively control film delamination upon the cover panel being opened and prevent seepage or "wicking" at the side seam upper edge.

REFERENCES:
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patent: 3661321 (1972-05-01), Tessmer, Jr.
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patent: 3958748 (1976-05-01), Smith et al.
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patent: 4397415 (1983-08-01), Lisiecki
patent: 4702407 (1987-10-01), Lisiecki
patent: 4784272 (1988-11-01), Lisiecki et al.
patent: 4911305 (1990-03-01), Chung et al.

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