abstract |
PROBLEM TO BE SOLVED: To provide a storage bag in which a seal does not break in a seal portion and slip of the seal portion does not occur during manufacturing, a method of manufacturing the same, and a seal mold for performing the manufacturing method, A manufacturing apparatus and a heating element are provided. SOLUTION: The seal portion 3 of the storage bag 8 for chemical warmer, It is characterized in that the temporary attachment portion 7 is connected to the inside of 4, 6. |