Reifen

Details

Veröffentlichungs-Nr.

EP4714671

Anmeldetag

4. September 2025

Veröffentlichung

25. März 2026

Rechtsraum

EP

IPC

B60C1/00, C08L9/06(SUMITOMO RUBBER IND et al.)

Abstract

Provided is a tire with excellent dry grip performance during cornering. The tire includes a tread, the tread including a tire rubber composition, the tire rubber composition containing a rubber component including styrene-butadiene rubber and an ionic bonding coupling agent, the tread including a first land portion closest to a tire equator among land portions present in an area on a vehicle outboard side from the equator and a second land portion disposed outwardly of the first land portion, the tire satisfying the following conditions (1) to (3): (1) the styrene-butadiene rubber has a styrene content of higher than 20% by mass, (2) a land ratio L1 of the first land portion and a land ratio L2 of the second land portion satisfy L2/L1 > 0.3, and (3) (L2 - L1 × 0.3) × total styrene content of the rubber component > 500.

Anmelder

Firma

Sumitomo Rubber Industries, Ltd.

Land

🇯🇵 Japan

Fachgebiete