| 摘要 |
PURPOSE: A pneumatic tire for a vehicle is provided to disgregate the stress in a grounded surface through forming a kerf according to the depth corresponding to the stress and disgregate the stress into longitudinal direction and vertical direction according to the driving direction of a vehicle. CONSTITUTION: A pneumatic tire for a vehicle comprises a tread(1), a sidewall(2), a bead portion(3), a block(4), a groove(5), and a kerf(6). The block and the groove are formed in the tread. The kerf is formed in the block and composed of a vertical kerf and a horizontal kerf. The vertical kerf is formed into cross direction of a tread surface. The horizontal kerf is connected to the vertical kerf and formed into parallel direction of a tread surface.
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