| 摘要 |
<p>A pneumatic tyre having an aspect ratio of 0.7 or less, characterised by a tread provided with six longitudinal grooves (G1,G2,G3) extending circumferentially and parallel to the tyre equator (CO) and including first (G1) second (G2) and third (G3) longitudinal grooves arranged axially outwardly in that order from the tyre equator (CO) on each side thereof and transverse grooves (J1, J2, J3) extending each continuously from said first longitudinal groove (G1) toward and beyond said third longitudinal groove (G3) forming on each side of the tyre equator, (CO) a row of internal blocks (26) between said first and second longitudinal grooves (G1,G2) a row of intermediate blocks (27) between said second and third longitudinal grooves (G2,G3) and a row of external blocks (29) between said third longitudinal groove (G3) and the edge of said tread, and each transverse groove being inclined with respect to the tyre equator (CO) and the angle (A2) between the intermediate portion thereof and said second longitudinal groove (G2) being larger than the angle (A1) between the internal portion thereof and said first longitudinal groove (G1) and smaller than the angle (A3) between the external portion thereof and said third longitudinal groove (G3).</p> |
