Method and apparatus for manufacturing tube-shaped packages made of flexible material

摘要

A method for manufacturing tube-shaped packages made of flexible material, characterized in that an annular portion is pushed inward in a U-shaped arrangement at at least one closed end of a tube-shaped package, said annular portion being at least partially heat-sealed to the remaining part of the package at facing portions thereof. An apparatus for carrying out the method. A package obtained with the method and the apparatus.