| 摘要 |
<p>This invention relates to a flexible tube (51) that includes a bellows havin g a plurality of convolutes (55) formed in the wall of said tube (51) and extending above the outer surface (52) of the tube (51), said convolutes bei ng spaced from one another in the axial direction of the tube (51), wherein at least one of said convolutes (55) comprises two opposing bending sections (5 7) and two restrained elongation sections (59) positioned between the bending sections (57), and wherein the height of the bending sections (57) above the outer surface (52) of the tube (51) is greater that the height of the restrained elongation (59) sections above the outer surface (52) of the tube (51).</p> |
