PREASSEMBLED OPEN BOX WITH AUTOMATICALLY GENERATED SUPPORTS FOR STACKING Russian patent published in 2017 - IPC B65D5/50 

FIELD: packaging industry.

SUBSTANCE: preassembled open box contains an external billet having outer and inner surfaces, and an insert billet pasted to one or more of the inner surfaces on a variety of adhesive zones. Many adhesive zones include, at least, one quick-drying adhesive area and, at least, one slow-drying adhesive zone. The insert billet is made with the ability to automatically take shape, when the external billet is folded. The insert billet is made with the ability to automatically generate multiple supports located in the outer corners of the billet, when the outer billet is folded. Plenty of supports contain the first support that lies in the first corner of the outer billet, and the second support, which is located in the second corner of the outer billet. The first corner and the second corner are located opposite each other diagonally. The first and the second supports have an asymmetrical shape, when compared with each other.

EFFECT: easy folding and unfolding of the box.

13 cl, 8 dwg