| 摘要 |
PROBLEM TO BE SOLVED: To provide a scale remover small-sized and having simple structure. SOLUTION: This scale remover for removing scales on the inner surface of a pipe includes: a rod member 10; a blade part 20 formed on a part of the tip part of the rod member 10; and a centering part 30 provided on the periphery of another part of the rod member 10 for centering the rod member 10 in the pipe. COPYRIGHT: (C)2005,JPO&NCIPI
|
