Reifen

Details

Veröffentlichungs-Nr.

EP4717470

Anmeldetag

4. September 2025

Veröffentlichung

1. April 2026

Rechtsraum

EP

IPC

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

Abstract

Provided is a tire with excellent overall performance in terms of fuel economy during driving in urban areas and lane change performance during high-speed driving. 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 20% by mass or less, (2) a width W1 of the first land portion and a width W2 of the second land portion satisfy W1/W2 > 0.3, and (3) total styrene content of the rubber component/(W1 - W2 × 0.3) ≤ 1.5.

Anmelder

Firma

Sumitomo Rubber Industries, Ltd.

Land

🇯🇵 Japan

Fachgebiete