| 摘要 |
PROBLEM TO BE SOLVED: To remove clogging of a spray nozzle reliably in a short time. SOLUTION: High pressure air piping (c) for clogging removal through which high pressure air for clogging removal is connected with compressed air piping (b) for clogging check on the just front of the spray nozzle 1 and is supplied to a nozzle body 5 from a compressor 27 via an electromagnetic switching valve 26 is disposed. When the clogging is detected by a monitor, the supply of the compressed air is temporarily stopped for the spray nozzle 1 in which the clogging is detected during the stoppage of spray after the clogging is detected and, alternatively, the high pressure air is supplied for a prescribed time. COPYRIGHT: (C)2006,JPO&NCIPI
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