| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a storage device for obtaining tonner with a high yield by suppressing an ejection failure from the storage device in which tonner is stored, and for obtaining toner which is stable in image quality or heat characteristics in a long period by securing a high operation rate, and preventing any unexpected contamination in the production of the next and following lots. <P>SOLUTION: The storage device 1 in which tonner particles or tonner are stored includes a flexible partition member 4 capable of ventilation at the inner peripheral part of a storage part, and gas is supplied between the inner wall face of the storage part and the partition member so that the volume of a space part arranged between the inner wall face of the storage device and the partition member can be made variable, and the ventilation characteristic of the partition member is 0.2 cm<SP POS="POST">3</SP>/cm<SP POS="POST">2</SP>sec or more, and 50.0 cm<SP POS="POST">3</SP>/cm<SP POS="POST">2</SP>sec or less. <P>COPYRIGHT: (C)2013,JPO&INPIT |
