| 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 secure separation of a lid material from a bottom material in the first opening, and re-sealing of the lid material in the bottom material even after 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. An end part of the storage part 5 of a fusion part 11 between an opening 12 and the fusion part 11 is provided with a linear fusion part 11a having a fusion force between a lid material seal resin layer 2c and a bottom material seal resin layer 3b, relatively stronger than that of a part on the opening 12 adjacent to the end part. |
