Schwerlastreifen

Details

Veröffentlichungs-Nr.

EP3795377

Aktenzeichen

EP20196035

Anmeldetag

14. September 2020

Veröffentlichung

20. Juli 2022

Erteilung

20. Juli 2022

Rechtsraum

EP

IPC

B60C1/00B60C11/03B60C11/11B60C11/12

Abstract

Heavy duty tire comprising a tread (1) composed of a rubber composition comprising 30 parts by mass or more of a silica having 175 m²/g or more of a nitrogen adsorption specific surface area (N₂SA) based on 100 parts by mass of a rubber component, wherein the rubber composition comprises 20% by mass or more of a styrene-butadiene rubber and 20% by mass or more of an isoprene-based rubber, and the tread has 3.0% or more of difference between a ratio S1 of a circumferential groove (4, 5) area to a contact area and a ratio S2 of a transverse groove (9, 13, 15) area to the contact area.

Anmelder

Firma

Sumitomo Rubber Industries, Ltd.

Land

🇯🇵 Japan

Fachgebiete