| 摘要 |
<p>PROBLEM TO BE SOLVED: To lay a plural number of flexible tubular bodies in a conduit at one time by aligning them in multiple stages and multiple streaks. SOLUTION: A plural number of rotating bases 1 are provided on an inlet side of a conduit 7, and a plural number of flexible tubular bodies 2 are wound in multiple stages around each of them. An alignment roller mechanism 3 is provided between an inlet of the conduit and a plural number of the rotating base 1, a plural number of the flexible tubular bodies 2 drawn out of each of stages of each of the rotating bases 1 are aligned in the streak direction for each of the rotating bases 1 and in the stage direction for each of the stages, their head end portions are tightened in a lump in size to draw them in the conduit, tracted into the conduit by a traction wire 11 and drawn in it.</p> |
