| 发明名称 | Tire for construction vehicle | ||
| 摘要 | A tire for a construction vehicle according to the present invention provides a tire for a construction vehicle having a belt formed by plural layers on the radially outer side of a crown portion of a carcass toroidally extending between a pair of bead portions, in which an outermost belt layer located on the radially outermost side of the belt has a width of 50% or more of a tread width, anda narrow groove is provided such that a distance between an end portion of the outermost belt layer and a bottom portion of the narrow groove is in the range of 15% to 100% of a tread thickness T, where T is a tread thickness at the end portion of the outermost belt layer. | ||
| 申请公布号 | US8955568(B2) | 申请公布日期 | 2015.02.17 |
| 申请号 | US201013387189 | 申请日期 | 2010.07.27 |
| 申请人 | Bridgestone Corporation | 发明人 | Matsuzawa Kazutaka |
| 分类号 | B60C9/28;B60C9/18;B60C11/117;B60C11/11;B60C11/03 | 主分类号 | B60C9/28 |
| 代理机构 | Sughrue Mion, PLLC | 代理人 | Sughrue Mion, PLLC |
| 主权项 | 1. A tire for a construction vehicle, comprising: a belt including six belt layers on the radially outer side of a crown portion of a carcass toroidally extending between a pair of bead portions, wherein an outermost belt layer located on the radially outermost side of the belt has a width of 50% or more of a tread width, a narrow groove is provided such that a distance between an end portion of the outermost belt layer and a bottom portion of the narrow groove is in the range of 15% to 100% of a tread thickness T, where T is a tread thickness at the end portion of the outermost belt layer, an end portion of the outermost belt layer is located nearer to a center in the width direction of the tread than the end portion of the fourth belt layer counting from the inner side in the tire radial direction; wherein the narrow groove is formed within a land portion defined by a lateral groove, and wherein the narrow groove is not connected with other grooves. | ||
| 地址 | Tokyo JP | ||