Method for producing intermediate material for flexible packaging material container, method for producing flexible packaging material container, and method for producing flexible packaging material container package

摘要

A first polymerization step (P1) in which the second sheet (120) is superimposed on the first sheet (110), and a part of the first sheet (110) and the second sheet (12, 120) are joined to form a second An enclosing portion forming step (P2) for forming a filling material enclosing portion for enclosing a filling material formed by a non-joined region between the first sheet (110) and the second sheet (12, 120); A folding step (P4) in which the first sheet (110) and the second sheet (12, 120) are folded with the first sheet (110) as the outside so that the filler enclosing portions are present on both sides connected through the inside thereof. ), A housing part forming step (P5) of forming a housing part by joining a plurality of places including at least one of the first sheet (110) and the second sheet (12, 120), and cutting at least the first sheet (110). Cutting step (P6) of forming an intermediate material (A1) for a soft packaging material container by performing Method of manufacturing the intermediate material. With such a configuration, it is possible to more easily and reliably manufacture a soft packaging material container having a filler enclosing portion in a larger area.