POUCH PACKAGE PRODUCTION METHOD, POUCH PACKAGE, AND POUCH CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide a pouch package production method capable of securing sufficient self-supporting stability, a pouch package produced by the method, and a pouch container suitable for the production method.SOLUTION: A side edge of a gusset sheet 12 and a side edge of an exterior sheet 11 are heat sealed for forming a side edge seal part SS. A lower part of the side edge seal part SS is pressed and widened at a folding line CL by a regulation guide RG for holding in a regulated state of facing to a depth direction outside of a pouch container 2. Then, a content is filled from a mouth of a spout 20.