| 摘要 |
Prefabrication of a bag package starting from a reel (2) of simple paper characterized by the fact that upon the inner walls (1) there are areas (3), treated with a layer of adhesive substance, which correspond to the thermosealing zones (4) that, properly dried, are made adhesive by the measured pressure exerted from the outside by thermocontrolled opposing pincers (5) to create a package that results hermetically closed after filling. |
