| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid agent bag from which a sealed liquid agent is hard to leak even when a large impact acts. SOLUTION: The liquid bag sealing an ink (a liquid agent) is formed of a first sheet material 107 forming a back section and a belly section and a second sheet material 113 forming side sections, and the edges of the first material 107 and the second material 113 are heat fusion bonded (bonded) so that the second sheet material 113 is formed into a gusset in the longitudinal direction. |
