Kappenlauffläche und Pkw-Reifen

Details

Veröffentlichungs-Nr.

EP4092077

Aktenzeichen

EP22168512

Anmeldetag

14. April 2022

Veröffentlichung

14. Dezember 2022

Rechtsraum

EP

IPC

C08L9/00B60C1/00C08K3/04C08K3/36C08L57/00C08L7/00C08L9/06

Abstract

Provided are a cap tread and a passenger car tire which provide improved handling stability over a wide range of temperatures. Included is a cap tread of a passenger car tire, including a rubber composition A phase and a rubber composition B phase which are independent of and share a boundary with each other, the rubber composition A phase having a silica content of 135 parts by mass or more and a carbon black content of 10 parts by mass or less, each per 100 parts by mass of the rubber components, the rubber composition B phase having a carbon black content of 20 parts by mass or more and a silica content of 10 parts by mass or less, each per 100 parts by mass of the rubber components, the rubber composition B phase having a continuous surface in the tire circumferential direction and/or the tire radial direction without being divided by the rubber composition A phase.

Anmelder

Firma

Sumitomo Rubber Industries, Ltd.

Land

🇯🇵 Japan

Fachgebiete