ES290364U - Self-folding folding box (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Self-rotating folding box, of the type that are made from a die-cut sheet provided with fold and cut lines with which a rectangular base is defined with respective prolongations on its sides, separated by fold lines, is characterized by the extensions of the major sides have two rectangular windows close to their ends and from the fold line and with two extensions of their lateral sides of a general rectangular shape, whose opposite side to the junction has a diagonal projection on its free vertex and a cutout in its even vertex; the extensions of the smaller sides extend in their rectangular areas provided with respective lateral flaps, the free side of said rectangular areas having a trapezoidal cut with a central extension in "Y", while the lateral flaps have in their more remote side a flange and a cut of the vertex close to the diagonal projection; all in order that in the assembly of the box the lateral extensions of the extensions corresponding to the long sides overlap with the extensions of the lower or front sides and their diagonal protrusions are retained as they emerge through the hole formed in the die cut of a flange central part belonging to the front, the flange of the lateral flaps of the front walls is inserted in the rectangular windows of the larger sides, and the extension in "Y" is folded on itself with the ends of its branches retained in two recesses of the upper edge from overlapping extensions to the front ends. (Machine-translation by Google Translate, not legally binding)