DOUBLE FOLDING PAPER SACK, MANUFACTURING PROCEDURE OF SUCH SACO AND USE OF SUCH SACO.

摘要

Single or double fold paper bag, characterized in that it is provided, on the one hand, with side bellows and, on the other hand, in the vicinity of its opening, a band having closing means, this band forming two layers (2 , 3) substantially opposite each other, being fixed only one of the two layers on the inner face of the inner fold of the bag before filling and closing.