| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a flexible hose having a sufficient strength while maintaining permeability. SOLUTION: In the flexible hose (6) constructed by helical winding, the hose (6) is integrally constructed by helical winding wherein a permeable tapes (5) made of non-woven or woven fabrics are interposed between the edge segments of a tape (1) made of resin to be wound which precede and succeed consecutively in longitudinal direction of the hose.</p> |
