| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a tube containing a towing line in which a rope used to supplement the deficit length from the end of the towing line to the tube opening during transport of a protective tube can be prevented from being loosen to be entangled, the desired deficit length is surely supplied at extension of a tube, and a tube manufacturing worker's load can be reduced, when the end of a towing line is drawn in a tube at extension of a tube. SOLUTION: A tube 1 containing a towing line is a tube 2 in which the towing line 3 is inserted along the longitudinal direction, wherein a towing line supplemental member 4 in which a rope is knitted to untie in a untieable state is mounted in the towing line 3.</p> |
