| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a flexible tube capable of eliminating dispersion of a product size in the axial and diameter directions of an outer blade and stabilizing the spring constant of the whole of the flexible tube. <P>SOLUTION: The flexible tube comprises a cylindrical bellows 1 being provided in an exhaust pipe of an engine of a vehicle and having a plurality of bellows 1c, and a cylindrical outer blade 2 surrounding the bellows 1. Cylindrical protectors 3,3 are respectively fitted into both ends of the bellows 1. Widening diameter parts 3a are respectively formed by fixing one ends of the protectors 3,3 to the bellows 1 and widening the other ends of the protectors 3,3 toward the outside of the diameter direction. The outer blade 2 is out-fitted and fixed to the widening diameter parts 3a,3a. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
