Easy opening carton

Details Easy opening carton Easy opening carton

1983-09-19

1985-04-16

Shoap, Allan N.

Special receptacle or package

With pallet feature

Knockdown or collapsible type

206634, 229 17R, B65D 572

Patent

active

045110433

ABSTRACT:
An easy opening carton and blank for forming same made from a paperboard material comprising a laminate of a smooth cover sheet and an inner lining, or a unitary construction are provided. The generally rectangular carton has opposed front and back walls, opposed side walls and opposed top and bottom walls. A parallel array of perforation lines are disposed on one side wall adjacent the top wall in a configuration such as a V or a semi-circle to form an easy opening area. The parallel array of perforations includes a plurality of parallel lines of perforations having each perforation in alternating positions between adjacent lines of perforations. The parallel array of perforations defines a wide area of penetration which sufficiently weakens the inner paperboard lining to facilitate opening the carton. Inward pressure on the easy opening area will separate the area from the side walls and permit the top wall to be torn back to form a pour spout.

REFERENCES:
patent: 2321655 (1943-06-01), Carr
patent: 2680558 (1954-06-01), Mai
patent: 2844297 (1958-07-01), Holmes
patent: 2953293 (1960-09-01), Anderson
patent: 3104793 (1963-09-01), Hickin
patent: 3404988 (1968-10-01), Ransing
patent: 3958748 (1976-05-01), Smith et al.
patent: 4429828 (1984-02-01), Farber

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