Carton blank for direct injection molded closures

Details Carton blank for direct injection molded closures Carton blank for direct injection molded closures

2004-07-20

2009-08-11

Elkins, Gary E (Department: 3782)

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

C229S125040, C229S900000, C264S257000, C264S268000, C425S110000

Reexamination Certificate

active

07571846

ABSTRACT:
A carton blank is used in a form, fill and seal machine on which a closure is directly molded onto the carton. The molding portion of the machine includes a tool set having first and second tool elements in which the first tool element has an aligning member extending therefrom in a direction transverse to a direction of loading the carton between the first and second tool elements. The aligning element has a predetermined shape having diverging surfaces. The carton blank includes a rear wall panel, a first side wall panel, a front wall panel and a second side wall panel. Each panel is separated from its adjacent panels by a vertical score line. A closure panel is adjacent the front wall panel, has an opening therein and is configured for having a closure molded thereon. The closure panel is partitioned from the front wall panel by a first horizontal score line. The closure panel has a closure panel fin panel extending from a side opposite the front wall panel. The closure panel fin panel has a height measured to an edge of the fin panel. A first upper side panel is adjacent the first side wall panel and is adjacent the closure panel. The first upper side panel has a first upper side panel fin panel having a height. The closure panel fin panel has a cut-out formed therein. The cut-out has converging edges having a shape complementary to the first tool element aligning member and configured to mate with the first tool element aligning member to laterally align the carton with the first tool.

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