| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for cleaning piping and a method for inspecting piping, these methods sufficiently covering the inner wall of the piping and highly reliably protecting the piping. <P>SOLUTION: The method for cleaning the piping includes: a step of removing a deposit sticking to the inner wall of the piping; a step of forming a first resin layer in the inner wall of the piping; and a step of forming a second resin layer having a different color from the color of the first resin on the first resin layer. Alternatively, the method for inspecting the piping includes: the step of removing the deposit sticking to the inner wall of the piping; the step of forming the first resin layer in the inner wall of the piping; the step of forming the second resin layer on the first resin layer having the different color from the color of the first resin on the first resin layer; and a step of measuring the color on the surface of the second resin layer. <P>COPYRIGHT: (C)2013,JPO&INPIT |
