Process for the manufacture of packaging material in the form of a bag for bulk materials mainly hidroscopicos, character of double bag and installation for arealizacao process

摘要

An inner bag (2) of a plastics foil is surrounded by an outer bag (1) of woven material. The edge regions (3,4) of the open ends of the inner bag and/or the outer bag are coated with a hotmelt adhesive and are firmly connected with one another by heat and pressure applied by means (5,6). IMAGE