| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a protective pipe capable of protecting a main pipe exposed from a sleeve in a double pipe and keeping insulation effectiveness. <P>SOLUTION: This protective pipe 1 for protecting the main pipe 6 exposed from the sleeve 4 at an end part of the double pipe 7 composed of the main pipe 6 and the sleeve 4, comprises an elastic bellows flexible pipe main body 2, and the flexible pipe main body 2 is constituted to have a trough diameter X smaller than an outer diameter of the sheath pipe 4 and a crest diameter Z larger than the outer diameter of the sleeve 4, and capable of being externally fitted and slidable to the sleeve 4. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
