Improved arrangement, applicable to folding boxes and the like, of the type in which the side walls have upper longitudinal flaps, arranged to be folded over them, inwards, forming a double wall, arranged in one of each two adjacent side walls, a protruding lateral flap arranged to bend orthogonally and to be imprisoned between the other wall and its flap, when refuting it; according to which, at the free longitudinal edge of said flaps are articulated second flaps, arranged to be folded orthogonally and to be applied on the bottom of the box; providing on the intermediate flap of one of each two adjoining walls a lateral notch located next to the fold edge of the end flap, and on the end flap of the other wall a lateral ear arranged to be bent orthogonally and fits into the said notch, ensuring the permanence of the assembly in its mounting position. (Machine-translation by Google Translate, not legally binding)
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