| 摘要 |
PROBLEM TO BE SOLVED: To provide an unsealing seal member constituted so that the opening of a developer housing part can be stably opened. SOLUTION: This member is provided with a first sheet member 43A which seals the opening 21BA of the developer housing part 21BG and which can be unsealed and a second sheet member 43B bonded to the first sheet member 43A so as to tear off the first sheet member 43A along the opening 21BA. The sheet member 43B is provided with a folding-back part 43B1 folded back with respect to the first sheet member 43A. Besides, the first and the second sheet members 43A and 43B are discontinuously provided with bonded parts 46 spot-joined to the vicinity of the folding-back part 43B1 of the second sheet member 43B. |
