ES286979A1 - Procedure for training boxes of cardboard without glue (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Method of forming cardboard boxes without glue characterized in that it is made starting from a flat piece of thin cardboard or cardboard, die-cut, in which a quadrilateral of parallel opposite sides that will form the background or is formed centrally with lines marked by pressure the upper face of the box according to whether a bottom or a lid is made; said quadrilateral is flanked on all its perimeter by other parallel lines, equally marked, so that a narrow first band and two other bands equal to each other are narrower than the previous one; in the smaller sides of the quadrilateral there is next to these bands the mark of another that will have as width the height that the sides of the box will have, and to its other side another band is marked with the same width, and the latter band presents at its two ends a small semicircular lugs; in the greater sides of the quadrilateral, to the mentioned narrow bands follows a band of equal width that the height of the sides, like the one previously mentioned for the smaller sides, and then an almost of the same width as also has been said before; these broad bands of the long sides have at their ends short extensions and not joined together and small semicircular perforations suitable to said lugs. (Machine-translation by Google Translate, not legally binding)