| 摘要 |
PROBLEM TO BE SOLVED: To remove coating dregs and contaminant of a conveyor chain, used in a coating booth, by using high-pressure water. SOLUTION: Arm-form rotating nozzle support bodies 15 each provided at a central part with a rotary axis 16, are situated at both sides parallel to the moving direction of the conveyor chain at the inside of a box covering 3. High-pressure water injection nozzles 19 are mounted on the opposite ends of the nozzle support body.
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