| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To remove efficiently deposits such as limewash and dust projecting on the inner wall of a hollow pillar with simple work using spouting force of high-pressure water. <P>SOLUTION: A long and thin hose for removing the deposits to which a hose rotating device and a high-pressure water injecting device are connected is inserted into an electric pole, an opening is formed in a peripheral wall of the distal end of the hose for removing the deposits, water high pressure-injected into the hose for removing the deposits and flowing into the distal end is jetted from the opening toward the inner wall of the hollow pillar and the rear, and the hose advances to the inside of the hollow pillar while removing the deposits of the inner wall of the hollow pillar by the jet of the high pressure-injection water. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
