| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging container related to a packaging container for packaging a storage object such as a food product, enabling a user to re-seal a lid material in a bottom material even after opening once, and precisely determine opening once.SOLUTION: A packaging container 1 formed of a lid material 2, a bottom material 3, and a storage part 5 formed between the lid material 2 and the bottom material 3 can re-seal the lid material 2 and the bottom material 3. A second non-fusion part 13 where a lid material seal resin layer 2c and a bottom material seal resin layer 3a are not fused, and a second fusion part 14 where they are fused are provided regularly or irregularly between an opening 12 and a first fusion part 11 so as to decrease an adhesive force between the lid material 2 and the bottom material 3 in the second non-fusion part 13 and the second fusion part 14 when re-sealing. |
