opening system facilitated bags of all sizes, suitable for shipment or the custody of paper, papers, files, documents

摘要

thanks to a striscietta located at the point of bending of the envelope opening this can happen easily by pulling the strip.the system is aimed at cartiero sector and to all sectors able to produce on an industrial scale.the solution found is in the application of this strip that is supported in the upper part and lower millimetrici cuts from each equidistant from the other.allow the total security of an opening corretta. - the use of this system is directed at those who have the need to use a plain envelope and correct in the opening.