| 摘要 |
<p>The present invention relates to a pneumatic radial tire comprised of threads, a sidewall, and a bead portion wherein a plurality of thread blocks and a plurality of grooves are formed on the thread; and a tie bar formed between the thread blocks. The tie bar includes one or more waveform kerfs. The tire of the present invention can significantly improve rigidity and control stability of the tire without separation due to the abnormal abrasion and stress concentration.</p> |
