| 摘要 |
PURPOSE: A tread center block of a vehicle tire is provided to support stable driving functions by improving the drain function of a tire tread in the rain. CONSTITUTION: The tread center block of a vehicle tire includes a rubber block(2) and a groove(3). The rubber block is contacted to a road surface(1). The rubber block is formed by including a predetermined slope angle between a road contact surface(4) and a center line. A vertical gap(a) between a road contact unit(5) and both edge units(6) is established according to the depth of the groove. The groove is formed between rubber blocks. The center line of the rubber block is established according to the length of the contacted surface.
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