| 发明名称 | Pneumatic tire | ||
| 摘要 | A pneumatic tire including a closed sipe 5 formed in a tread surface 1 that includes a small hole 2 extending along a tire radial direction and a plurality of cuts 4 extending in a radiation direction from the small hole 2 and that terminating in a land portion 3. A diameter of an inscribed circle of the small hole 2 is greater than a thickness of the cuts 4. The cuts 4 are provided with a twist in a depth direction centered on the small hole 2, and a twist angle θ from a top surface to a bottom surface of the land portion 3 is not less than 10° and less than 135°. | ||
| 申请公布号 | US9193217(B2) | 申请公布日期 | 2015.11.24 |
| 申请号 | US201013321165 | 申请日期 | 2010.05.26 |
| 申请人 | The Yokohama Rubber Co., LTD. | 发明人 | Kuwajima Masatoshi |
| 分类号 | B60C11/12 | 主分类号 | B60C11/12 |
| 代理机构 | Thorpe North & Western, LLC | 代理人 | Thorpe North & Western, LLC |
| 主权项 | 1. A pneumatic tire comprising: a closed sipe that is formed in a tread surface and includes a small hole extending in a tire radial direction and a plurality of cuts extending in a radiation direction from the small hole and terminating in a land portion; wherein a diameter of an inscribed circle of the small hole is greater than a thickness of the cuts, the cuts are provided with a twist in a depth direction centered on the small hole and connect to the small hole from the tread surface to a bottom of the cuts, and a twist angle of the plurality of cuts from a top surface to a bottom surface of the land portion is from 10° to 120°. | ||
| 地址 | JP | ||