| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning apparatus and a cleaning method easily removing targets to be removed, e.g. foreign matter and dirt, from pits of articles to be cleaned and being capable of contributing to e.g. reduction of the production cost of the articles. SOLUTION: A spraying nozzle 30 sprays, from its tip, a pulsating cleaning flow P generated in a cleaning flow generating section 20 upward to the inside of a pit H under a specified spraying pressure so as to remove dirt D remaining in or adhered to the inside of the pit of a work piece W. The tip of the nozzle 30 dashes into the pit H and has a clearance S between it and the inside surface of the pit H for discharging dirt D. The upward spraying of the cleaning flow P from the nozzle 30 and the clearance S formed between the inside surface of the pit H and the tip of the nozzle 30 facilitate detachment and removal of dirt D. COPYRIGHT: (C)2005,JPO&NCIPI
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