| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary spray type coating apparatus, in which the deterioration of a coating film quality is prevented by preventing a coating material from sticking on a seal part to retain. SOLUTION: In the center feed tube system rotary spray type coating apparatus, the axial directional length (a) of an inside end part 51 formed most adjacent to the outer circumferential surface of a feed tube 14 and parallel to the axial direction of feed tube is adjusted to be <2 times of the gap dimension (b) between the inside end part and the feed tube outer circumferential surface.
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