| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a device for washing the inner surface of a cylindrical article which can surely wash the inner surface of the cylindrical article by an external operation without requiring that a worker enters the inside of the cylindrical article. <P>SOLUTION: This device for washing the cylindrical article has a device body disposed in the inside of the cylindrical article and moving in the lengthwise direction thereof, a plurality of radial holding legs attached around the device body and always contacting with the inner surface of the cylindrical article to keep the device body at the center of the cylindrical article, a revolving body supported rotatably to a support cylinder of the device body, a plurality of radial nozzle support arms attached around the revolving body and always capable of contacting with the inner surface of the cylindrical article, and a plurality of high pressure water nozzles each fixed to a part of the nozzle support arm near the tip end in a state where the nozzle is disposed closely to the inner surface of the cylindrical article and inclined in the radial direction. <P>COPYRIGHT: (C)2003,JPO</p> |
