Schwerlastreifen

Details

Veröffentlichungs-Nr.

EP4647272

Aktenzeichen

EP25170276

Anmeldetag

14. April 2025

Veröffentlichung

12. November 2025

Rechtsraum

EP

IPC

B60C1/00C08K3/36C08L7/00

Abstract

Provided is a heavy-duty tire comprising a tread part, the tread part comprising a rubber layer composed of a rubber composition, the rubber layer comprising a tread surface, the rubber composition comprising: a rubber component comprising a predetermined amount of an isoprene-based rubber; and a filler comprising a predetermined amount of silica, and wherein the content A<IR>, in % by mass, of the isoprene-based rubber in the rubber component, the content A<SIL>, in % by mass, of the silica in the filler, 0°C tan δ of the rubber composition, a total area S<MG>, in mm<2>, a pair of outermost circumferential main grooves present on a tread ground-contacting surface of the tread part, and a total area S<LG>, in mm<2>, of a shoulder lateral groove and a shoulder sipe that are present on the tread ground-contacting surface satisfy the predetermined inequalities.

Anmelder

Firma

SUMITOMO RUBBER INDUSTRIES, LTD.

Land

🇯🇵 Japan

Fachgebiete