Bag-less box for flowable materials

Details Bag-less box for flowable materials Bag-less box for flowable materials

1990-01-16

1991-08-27

Marcus, Stephen

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220441, 220418, 229133, 22912519, B65D 542, B65D 532

Patent

active

050426842

ABSTRACT:
A bag-less box for flowable materials constructed of a preferably single-wall outer covering, a preferably triple wall liner glued to the inner panel surfaces thereof, and a lid positionable on the outer covering when folded in and assembled. The outer covering is formed by cutting and folding a corrugated blank to define interconnected panels, top flaps and bottom flaps. Gusset fold areas are formed by diagonal through-cuts in the bottom flaps at flap corners adjacent the panels. With the gusset fold areas and the bottom flaps folded in, a self-sealing box bottom is defined such that a liner bag is not needed.

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patent: 4548351 (1985-10-01), Gusic
patent: 4635815 (1987-01-01), Grigsby
patent: 4657177 (1987-04-01), Karabedian
patent: 4693413 (1987-09-01), McFarland

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