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