Carton having tear resistant hand holes

Claim 1

In a rectangular box including two opposed end walls, two opposed side walls extending between opposite ends of said end walls and a divider wall extending between said side walls, thereby dividing the interior of the box into two compartments, the improvement wherein: (a) said divider wall and side walls comprise a pair of U-shaped vertically disposed corrugated panels each having a central portion and arm portions, integral with said central portion, extending from opposite ends of said central portion, the central portions of said pair of U-shaped panels abutting to form said divider wall and said arm portions extending at right angles in opposite directions from the respective of said central portions and joined to the respective opposite ends of said end walls, the pair of arm portions at each end of said divider wall forming the respective of said side walls; and (b) each of said pair of arm portions, forming an end wall, having a pair of contiguous finger insertion openings, one of said openings being in each arm portion immediately adjacent to the respective central portion, said finger insertion openings being aligned and each limited in size to permit insertion of only two adult fingers therein, each said opening being formed with a fillet of a substantial radius provided at the upper corner of each opening adjacent the respective central portion, said fillet bridging said arm portion and said central portion, and said central portion extending from said fillet at a right angle to reinforce said fillet and said finger insertion opening against tearing.