TOP GAP FOLDING BOX HAVING A TOP CLOSURE INTERLOCK

摘要

A top gap folding box having four top flaps and a top closure by which the flaps are engaged. Each flap interlocks the adjacent flaps by means of a pair of incisions in the outer edge of the flap which each engage an associated incision in each of the adjacent flaps. The incisions are of a configuration permitting smooth engagement. The material of which the box is made is of a stiff nature, having resistance to bending.