发明名称 HEAVY DUTY PNEUMATIC TIRE
摘要 A heavy duty pneumatic tire includes a tread portion including a plurality of blocks separated by a plurality of circumferentially extending main grooves and a plurality of lateral grooves. At least one of the blocks is provided with two axially extending sipes to divide the block into a first end portion, a second end portion and a middle portion between the first end portion and the second end portion. The first end portion includes a first projected portion that protrudes outwardly in a block-width direction from the middle portion so as to form a steplike side, and the second end portion includes a second projected portion that protrudes outwardly in an opposite block-width direction to the first projected portion from the middle portion so as to form a steplike side.
申请公布号 US2016152089(A1) 申请公布日期 2016.06.02
申请号 US201514933690 申请日期 2015.11.05
申请人 SUMITOMO RUBBER INDUSTRIES, LTD. 发明人 MATSUDA Kae
分类号 B60C11/03;B60C11/13;B60C11/12;B60C11/04 主分类号 B60C11/03
代理机构 代理人
主权项 1. A heavy duty pneumatic tire comprising: a tread portion comprising a plurality of blocks separated by a plurality of circumferentially extending main grooves and a plurality of lateral grooves; at least one of the blocks being provided with two axially extending sipes to divide the block into a first end portion, a second end portion and a middle portion between the first end portion and the second end portion; the first end portion comprising a first projected portion that protrudes outwardly in a block-width direction from the middle portion so as to form a steplike side; and the second end portion comprising a second projected portion that protrudes outwardly in an opposite block-width direction to the first projected portion from the middle portion so as to form a steplike side.
地址 Kobe-shi JP