| 摘要 |
A pneumatic tire tread contains at least one central bar and grooves. The central bar has the longitudinal groove and lateral hollows of variable size, two middle and two outside rows are located on the both side of the bar, divided by the circumferential grooves. The elements of middle rows are made in the form of parallelograms, which two sides are straight and two are arc-like, divided by the hollows onto four parts and have cuts, and the elements of outside rows are made in the form of solid blocks, equipped with the longitudinal grooves and cuts. |
