Back to results
US 11,987,703 B2Granted
Rubber composition and tire
AssigneeSumitomo Rubber Industries, Ltd.
InventorKensuke Washizu
Life of this patent
Estimating the term…
Abstract
The present invention aims to provide rubber compositions and tires which provide improved overall performance in terms of wet grip performance and dry grip performance. The present invention relates to a rubber composition having a hardness that reversibly changes with water and satisfying the following relationship (1): Hardness when dry−Hardness when water-wet≥10 (1) wherein each hardness represents the JIS-A hardness at 25° C. of the rubber composition.
Claims14
A tire, comprising:
- a tire component, the tire component including:
- a rubber composition, having a hardness that reversibly changes with water and satisfying the following relationship (1):
- Hardness when dry−Hardness when water-wet≥10 (1)
- wherein each hardness represents a JIS-A hardness at 25° C. of the rubber composition,
- wherein the hardness when dry is in a range of 55-60, and the hardness when water-wet is in a range of 32-47.
2 more elements
Dependencies are inferred from the claim text.