| 摘要 |
The invention relates to a noise-reducing device (A) intended to be inserted into a groove in the tread of a tyre, comprising an elastic sole (S) which extends preferably in a given longitudinal direction, characterized in that said sole has one or more flexible walls (P) on one of its faces, the planes of said walls (P) being positioned approximately perpendicularly to the longitudinal direction of the sole. |
