Carton having a barrier construction and method of making the sa

Details Carton having a barrier construction and method of making the sa Carton having a barrier construction and method of making the sa

1990-12-31

1991-12-31

Marcus, Stephen

Envelopes, wrappers, and paperboard boxes

Paperboard box

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

229206, 229208, 229232, 229237, 229132, B65D 554

Patent

active

050764390

ABSTRACT:
A paperboard carton blank including a first panel having side walls connected thereto by scored fold lines formed between a respective one of the side walls and a respective edge of the first panel is disclosed. A second panel is provided having a side wall connected thereto by a scored fold line formed between the side wall and an edge of the second panel. A seal flap is provided and extends a predetermined distance from a predetermined edge of one of the side walls of the first panel, the predetermined edge of the side wall being that edge which extends adjacent to a predetermined edge of the second panel of a carton formed from the blank. The blank also includes opposing end panels connected to each of the side walls and the first and second panels with each of the end walls having at least one die cut edge. A predetermined portion of at least one of the end panels is skived and overfolded along a fold line adjacent to the die cut edge such that no die cut edge is exposed within the carton formed of the blank. An opening feature defined by the predetermined edge of the second panel and regions of weakness formed in the second panel extending from the predetermined edge of the second panel for permitting access to the inside of a carton formed from the blank is also provided with the regions of weakness being formed of a pair of substantially parallel lines of weakness with at least one of lines of weakness being a knurled line of weakness. The above paperboard being used to form a carton of a high barrier carton construction for containing a product placed therein wherein not die cut edges are exposed within the interior of the carton.

REFERENCES:
patent: 630789 (1899-08-01), Wyman
patent: 3399820 (1968-09-01), Foster et al.
patent: 3580466 (1969-01-01), Thelen et al.
patent: 3656513 (1972-04-01), Evans et al.
patent: 4613046 (1986-09-01), Kuchenbecker
patent: 4687104 (1987-08-01), Ielmini
patent: 4690282 (1987-09-01), Ghini
patent: 4746019 (1988-05-01), Prater
patent: 4951824 (1990-08-01), Kuchenbecker et al.

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