| 摘要 |
PROBLEM TO BE SOLVED: To effectively clean a rotary drum in a coating device with the rotary drum.SOLUTION: A coating device is provided with a ventilation type rotary drum which is rotationally driven around an inclined axis thereof. The cleaning of the rotary drum is performed while the rotary drum is rotated in a cleaning liquid. The rotary drum has a drum rib 5b, which makes the cleaning liquid flow forward in the rotation direction, in a bottom wall part. The side surface 5e of the drum rib 5b on the forward side in the rotation direction has a shape gradually displaced to the forward side in the rotation direction in accordance with the movement to the external side. |
