| 摘要 |
PURPOSE: A multi-tube for a cable is provided to facilitate construction work while securely protecting a communication cable and to prevent an inner pipe from contracting or expanding after the communication cable is buried. CONSTITUTION: A multiple tube for a cable comprises an outer tube(10) and multiple inner tubes(30). The outer tube is used as an outer cover. The multiple inner tubes are provided inside of the outer tube and include a cable accommodation space. |
