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Priority to ES1978237816UpriorityCriticalpatent/ES237816Y/en
Publication of ES237816UpublicationCriticalpatent/ES237816U/en
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Publication of ES237816YpublicationCriticalpatent/ES237816Y/en
Cornerboard for cardboard boxes and flexible materials, of the type constituted by superposition of one of the sides of the box with an inner wing bent as a dihedron, integral with the adjacent side, whose wing is determined by cutting and splitting the area of the angle of the sheet forming the assembly, which is characterized by the fact that said wing presents a circular arc zone that is joined and articulated to the adjacent side of the box, thus determining an arched fin, with a weakened line of folding central that allows the superposition of both areas, being provided next to the articulation edge of the said wing, a notch width equivalent to the thickness of the two superimposed portions of the arched fin, to allow the introduction and locking of this, to form box. (Machine-translation by Google Translate, not legally binding)
ES1978237816U1978-07-171978-07-17
CANTONERA FOR CARDBOARD BOXES AND FLEXIBLE MATERIALS.
ExpiredES237816Y
(en)