| 摘要 |
<p>A heavy-transport radial tire (1), the tread (2) of which has a number of circumferential main grooves (4) and, at each shoulder (3), a circumferential decoupling groove (5) defining a peripheral rib (6), which contacts the ground along a respective annular contact portion (9) and, in section, is of tapered shape defined by a taper (8) formed along an outer surface of the peripheral rib (6) and imparting a substantially truncated-cone shape to the respective shoulder (3). <IMAGE></p> |
