| 摘要 |
<p>A heavy-duty tire (1) having a tread (2) in turn having a number of circumferential grooves (3) and a number of transverse grooves (4) defining, on the tread (2), a number of circumferential rows (5) of blocks (6); and wherein each block (6) has transverse siping (11) on a front portion of a rolling surface (7), so that the block (6) increases in rigidity from a leading edge (8) to a trailing edge (9) of the rolling surface (7). <IMAGE> <IMAGE></p> |
