A pneumatic tire comprises a tread block having a top face provided with a three-dimensional sipe, the sipe extendi ng along its longitudinal di rection with an angle of 0 to 45 degrees with respect to a tire axial direction, the sipe having a fist opening configuration extendi ng i n a wavy manne with amplitude w and a cycle a1 in a cross sectional view of the block parallel to the top face, the sipe having a second opening configuration exteriding in a wavy manner with amplitude w and a cycle a2 in a cross sectional view of the block perpendicular to the longitudinal direction of the sipe, and the sipe satisfying the following relation (1) in a rectangular coordinate system in which the x-axis corresponds to the longitudinal direction, the z-axis corresponds to a depth direction of the sipe: y = W sin 2 À x / a 1 + 2 À z / a 2 + ¸ .
Pneumatic tire with tread having three dimensional sipes
2016-09-06
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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