| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method and a device for cleaning piping, which make the piping effectively cleaned and subjected to deodorization and sterilization treatment, through simple operations. <P>SOLUTION: The piping cleaning method comprises at least a step of producing a cleaning liquid containing many micro air bubbles, and a step of emitting a jet of the cleaning liquid, containing the many micro air bubbles, toward the inner peripheral surface of the piping via a nozzle. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
