发明名称 Pneumatic tire
摘要 The present invention provides a pneumatic tire having excellent durability. Provided is a pneumatic tire including a sidewall and a carcass, the sidewall being produced from a rubber composition for a sidewall which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a sidewall and the rubber composition for a carcass topping satisfying a specific relationship. Provided is a pneumatic tire including a clinch and a carcass, the clinch being produced from a rubber composition for a clinch which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a clinch and the rubber composition for a carcass topping satisfying a specific relationship.
申请公布号 US8875764(B2) 申请公布日期 2014.11.04
申请号 US201213480813 申请日期 2012.05.25
申请人 Sumitomo Rubber Industries, Ltd. 发明人 Miyazaki Tatsuya
分类号 B60C1/00;B60C9/00;C08K3/06;C08K5/375 主分类号 B60C1/00
代理机构 Birch, Stewart, Kolasch & Birch, LLP 代理人 Birch, Stewart, Kolasch & Birch, LLP
主权项 1. A pneumatic tire comprising a clinch and a carcass, the clinch being produced from a rubber composition for a clinch which contains a rubber component and has a sulfur content of greater than 1.91 parts by mass but less than 2.5 parts by mass per 100 parts by mass of the rubber component, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping which contains a rubber component, and the sulfur contents of the rubber composition for a clinch and the rubber composition for a carcass topping satisfying the following relationship: −0.6<(the sulfur content per 100 parts by mass of the rubber component in the rubber composition for a carcass topping)−(the sulfur content per 100 parts by mass of the rubber component in the rubber composition for a clinch)<1.1.
地址 Kobe-shi JP