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 |