Patent ID: 6508283
Filing Date: 2003-01-21
Classification: B60C,Y10S

Abstract:
A tyre having a tread band, the tread band comprising:at least two circumferentially-extending longitudinal grooves; and a plurality of transverse grooves parallel to each other, each comprising at least one first concave stretch and one second convex stretch relative to a circumferential direction of the tyre and forming a transversely continuous groove of undulated extension, the longitudinal and transverse grooves delimiting at least two rows of shoulder blocks circumferentially distributed at opposite side edges of the tread band, and at least one row of centre blocks disposed between the rows of shoulder blocks, wherein each of the centre blocks has a substantially Z-shaped conformation defined by a centre portion disposed diagonally at an equatorial plane of the tyre and interconnected on respectively opposite sides with two side portions substantially parallel to the equatorial plane of the tyre.