ECCENTRIC BALL FOR WASHING PIPING

摘要

PROBLEM TO BE SOLVED: To provide a washing ball for efficiently removing slime or the like adhering to the inner surface of piping having a diameter larger than that of the washing ball. SOLUTION: The washing ball of which the center-of-gravity position is made eccentric is constituted of two or more kinds of materials 1 and 2. The washing ball performs eccentric motion and the contact number of times of the washing ball with the inner wall surface of the piping is increased.