| 摘要 |
PROBLEM TO BE SOLVED: To provide a production method for improving the quality of a packaging container as a whole by making the quality of a container main body equivalent to the quality of a lid of an outlet part. SOLUTION: In the packaging container, the lid surrounding the outlet part is fitted to a packaging material top wall. In the method for producing the packaging container, the lid is formed by the surfaces of the inner and outer surfaces of the lid being made of a resin film comprising at least a barrier resin 1 layer, and at least one desired fluid resin material being held by the resin film to be contained and in the preceding process for fitting to the packaging container, by engaging the lid with a molding box, is formed in a desired shape having a thick wall to be fitted to the packaging material top wall. Since the lid part of the outlet can be formed to have quality similar to that of the packaging container main body, the packaging material for keeping the quality of the container main body sufficiently is provided. |
