| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a protection pipe device capable of preventing heavy equipment and the like from contacting a protection pipe. <P>SOLUTION: A protection pipe device includes: a movable body 2 arranged outside a cylindrical protection pipe 1 for protecting a wiring Y and supported by the protection pipe 1 so that it can be displaced in relation to the protection pipe 1; detection means 3 for detecting that the movable body 2 is energized and displaced in relation to the protection pipe 1; and notification means 5 for notifying that the movable body 2 is energized as the detection means 3 detects the displacement of the movable body 2. <P>COPYRIGHT: (C)2012,JPO&INPIT |
