| 摘要 |
PURPOSE: A vehicle tire is provided to supply to a consumer in a customized manner by connecting a ring tread to a connecting groove, which ring tread satisfies the demand of the customer. CONSTITUTION: A vehicle tire comprises a bead portion, sidewall, and a tread(1). A connecting groove is formed on the tread. A ring tread(3) is connected to the connecting groove. The connecting groove includes a retention protrusion(21) and a retention groove(22) which is formed at the bottom of the retention protrusion. The ring tread comprises a retention protrusion(30) and a retention groove(32) correspondingly. Additional connecting protrusions(4,41) and additional connecting grooves(5,51) are formed on the sidewalls of the connecting groove and the ring tread.
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