发明名称 PNEUMATIC TIRE
摘要 A pneumatic tire in which a tread part is provided with a pair of central main grooves extending continuously around the circumference of the tire on both sides of a tire equator C, and central thin grooves extending continuously around the circumference of the tire on the tire-axially inner sides of the central main grooves and having less groove width than the central main grooves. The central thin grooves include a linear first central thin groove running along the tire circumference, and zigzagging second central thin grooves. The first central thin groove is provided on the tire-axially inner sides of the second central thin grooves.
申请公布号 US2016243898(A1) 申请公布日期 2016.08.25
申请号 US201415024465 申请日期 2014.10.02
申请人 SUMITOMO RUBBER INDUSTRIES, LTD. 发明人 ITO Tadashi
分类号 B60C11/03 主分类号 B60C11/03
代理机构 代理人
主权项 1. A pneumatic tire comprising: a tread portion being provided with a pair of circumferentially and continuously extending central main grooves on both sides of a tire equator and a circumferentially and continuously extending central narrow groove disposed axially inward of the central main grooves and having a groove width smaller than those of the central main grooves; the central narrow groove comprising a first central narrow groove extending in a straight shape along a circumferential direction of the tire and a second central narrow groove extending in a zigzag shape; and the first central narrow groove being disposed axially inward of the second central narrow groove.
地址 Kobe-shi, Hyogo JP