| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve opening property when a flexible container for storing developer is opened. <P>SOLUTION: A developer storage container for storing developer includes: a developer bag 16 provided with an inlet for receiving developer and an opening 35a for discharging developer; and a sealing member 19 having a joint part jointed to the developer bag 16 to seal the opening, and being capable of exposing the opening by being moved to cause the joint part to be detached from the developer bag 16. The sealing member has a first joint part 22a upstream of the opening and a second joint part 22b downstream of the opening in a sealing member opening direction with the opening interposed therebetween, and the second joint part is arranged at a position where it does not contact the opening. <P>COPYRIGHT: (C)2013,JPO&INPIT |
