| 摘要 |
<p>Non-extendible element (10) comprising a base body made of elastomeric material internally reinforced with non-extendible wires (11) lying on a longitudinal plane (L) and interposed between an inner part (10a) and an outer part (10b). The inner part (10a) is provided with longitudinal hollows (12) and grooves (13) disposed transversely to the longitudinal hollows (12), which grooves have a depth that is deeper than or equal to the depth (A) of the longitudinal hollows (12) and that is equal to the thickness (S) of the inner part (10a).</p> |
