| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid filling bag which is not equipped with a stopper, having a sealed portion of a simple structure, and which allows a liquid filling nozzle to be easily inserted into the unsealed portion thereof. SOLUTION: The bag 1 is made of plastic films and has at least one opening end 8 formed therein, along which opening end 8 belt-like sealed portions 3, 3 are provided that bond face and back plastic films to form a bag, while an unsealed portion 5 is formed in the sealed portions 3, 3. COPYRIGHT: (C)2005,JPO&NCIPI
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