| 摘要 |
The invention relates to a tyre (1) comprising two sidewalls (2), a crown (3) provided radially externally with a tread (4), a carcass-type reinforcing structure (5), and at least one crown ply (6), the tread comprising an acoustic energy absorption layer (10) extending from one shoulder to the other and made from materials having compressibility characteristics that vary from the centre to the shoulders, with an increase in compressibility from the centre towards the shoulders. |
