| 摘要 |
PROBLEM TO BE SOLVED: To provide an excellent corrugated tube capable of improving its flexibility while being provided with a plate-like lap portion, and to provide a method for forming the same. SOLUTION: In a corrugated tube 21, a plate-like lap portion 28, formed projectedly at one of opposed side edges sandwiching a slit 25 formed along the axial direction of a tube body 23, laps over the inner peripheral side of the other side edge. End walls, facing and sandwiching the slit 25 between, of a ridge portion 30 at the peripheral ends are cut away and an opening 36 is formed. |
