Seamless glued closing device applicable to any cation packing especially to the flap boxes normally called closing with paper seals (Machine-translation by Google Translate, not legally binding)

摘要

By a closing device, without seams or glued, applicable to any cardboard packaging, especially to the boxes of flaps normally called closure with paper seals, characterized by being formed by tabs arranged in the half-layers or "flaps" of the packaging or box, both in the upper part and in the lower part and on both sides, in a variable number, alternating with free spaces, so that when facing a half-layer or "flap" with the opposite one, the tabs of one side coincide with the free spaces of the other or vice versa, and also fitting, between each other and two to two, the rounded tips of the reeds referred to in the crevices or vertices that form the opposite, thus ensuring closure. (Machine-translation by Google Translate, not legally binding)