RULLO GOFFRATORE, GRUPPO GOFFRATORE E METODO DI GOFFRATURA DI VELI CELLULOSICI, E MATERIALE GOFFRATO OTTENUTO

摘要

The embossing roller has a plurality of embossing protuberances (P3), each of which has a base (41), a side surface (45) and a head surface (43). The side surface (45) of at least some of the embossing protuberances (P3) has variable inclination along the perimeter extension of the protuberance.