发明名称 |
Tire and tire forming mold |
摘要 |
A tire of the present invention has a roughness motif maximum length A in a predetermined range on at least a part of the tread surface. In addition, a tire forming mold of the present invention has a roughness motif maximum length A in a predetermined range on at least a part of the tread-surface molding surface. |
申请公布号 |
US9403407(B2) |
申请公布日期 |
2016.08.02 |
申请号 |
US201214363860 |
申请日期 |
2012.12.28 |
申请人 |
BRIDGESTONE CORPORATION |
发明人 |
Amano Masakazu |
分类号 |
B60C11/00;B29C33/42;B29D30/06;B29L30/00 |
主分类号 |
B60C11/00 |
代理机构 |
Sughrue Mion, PLLC |
代理人 |
Sughrue Mion, PLLC |
主权项 |
1. A tire comprising a tread portion having a tread surface, wherein at least a part of the tread surface of the tread portion has protusions having a hemispherical shape and has a surface roughness formed by the protrusions at which a roughness motif maximum length A specified by JIS B 0631 (2000) is 5 μm or more and 100 μm or less,
wherein a ten-point average roughness Rz specified by JIS B0601 (1994) of the tread surface of the tread portion of the tire is 1.0 to 50 μm. |
地址 |
Tokyo JP |