Reifen

Details

Veröffentlichungs-Nr.

EP4074520

Aktenzeichen

EP22165079

Anmeldetag

29. März 2022

Veröffentlichung

23. August 2023

Erteilung

23. August 2023

Rechtsraum

EP

IPC

B60C1/00C08L7/00

Abstract

Provided is a tire that provides improved overall performance in terms of fuel economy, abrasion resistance, and handling stability. Included is a tire which includes a tread including a rubber composition, the rubber composition containing rubber components including an isoprene-based rubber, a polybutadiene rubber, and a styrene-butadiene rubber, and fillers including silica and carbon black, the rubber composition satisfying the following relationships (1) to (3): (1) Isoprene-based rubber content > Styrene-butadiene rubber content; (2) Isoprene-based rubber content > Polybutadiene rubber content; and (3) Silica content ≥ Carbon black content, the tire satisfying the following relationships (4) and (5) with respect to the tan δ at 30°C of the rubber composition and the negative ratio N (%) of the tread: (4) tan δ at 30°C < 0.10; and (5) tan δ at 30°C x N < 4.0.

Anmelder

Firma

Sumitomo Rubber Industries, Ltd.

Land

🇯🇵 Japan

Fachgebiete