Schwerlastreifen

Details

Veröffentlichungs-Nr.

EP3960494

Aktenzeichen

EP21189805

Anmeldetag

5. August 2021

Veröffentlichung

1. November 2023

Erteilung

1. November 2023

Rechtsraum

EP

IPC

B60C1/00B60C9/28B60C11/00B60C11/03

Abstract

An object of the present invention is to provide a heavy duty tire having improved fuel efficiency, wet grip performance, abrasion resistance, chipping resistance, and tear resistance with good balance. The heavy duty comprises a carcass (12) extending from a tread part (22) through a sidewall part (6) to a bead core of a bead part and a belt layer (18) arranged outside in a tire radial direction of the carcass and inside of the tread part, wherein the tread has a cap rubber layer (30) and a base rubber layer (28), the cap rubber layer comprises a predetermined rubber component and silica and the loss tangent tan δ of the base rubber layer is within a predetermined range.

Anmelder

Firma

Sumitomo Rubber Industries, Ltd.

Land

🇯🇵 Japan

Fachgebiete