METODO PER CONFEZIONARE BUSTE PARTENDO DA UNA BOBINA DI NASTRO PIANO IL QUALE VIENE RIPIEGATO ED APPIATTITO IN CORRISPONDENZA DI UN PIANO VE

摘要

Method to package envelopes starting from a roll of flat ribbon that is folded and flattened upon a vertical surface, and with operations of transversal sealing it realizes a set of juxtaposed envelopes placed with horizontal sides and the vertical mouth frontally open.