US 8,875,764 B2 · Pneumatic tire

Abstract

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.

Claims5

Dependent claims

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.

1 more element

Dependencies are inferred from the claim text.

Pneumatic tire

Life of this patent

Pneumatic tire

Life of this patent

Abstract

Claims5