| 摘要 |
A tire for a heavy vehicle is provided to prevent the upper and lower portions from making contact with each other by increasing the width of a decoupling groove installed at the sidewall of a shoulder section. A tire for a heavy vehicle comprises a tread(1) having a shoulder section, a sidewall and a bead section. The sidewall(2) of the shoulder section of the tread(1) is formed with upper and lower decoupling grooves(3,4). A stud(5) is formed between the upper and lower decoupling grooves(3,4). The upper decoupling groove(3) has a size larger than that of the lower decoupling groove(4). The decoupling grooves(3,4) are formed at the shoulder section, so that load applied to the tread(1) can be distributed and attenuated while transferring the load to the sidewall.
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