Luftreifen

Details

Veröffentlichungs-Nr.

EP3763546

Aktenzeichen

EP20182986

Anmeldetag

29. Juni 2020

Veröffentlichung

26. April 2023

Erteilung

26. April 2023

Rechtsraum

EP

IPC

B60C1/00B60C11/03B60C11/12C08L15/00C08C19/25C08C19/44

Abstract

A pneumatic tire (1) comprising a tread portion (2) which has three or more main grooves (3) and has a land portion (4) divided by the main grooves (3), wherein a shoulder sipe (35, 39) extending in the tire axial direction is formed in at least one of shoulder land portions (8) that are disposed at outermost sides in the tire axial direction of the land portion (4), a tread width Wt and a depth D of each main groove (3) satisfy the following expression (I), the tread width Wt and a length Ls of the shoulder sipe (35, 39) formed in at least one of the shoulder land portions (8), satisfy the following expression (II), and, in a shoulder land portion rubber composition forming the shoulder land portions (8), not less than 4 parts by mass of a low-temperature plasticizer having a solidifying temperature not higher than -10°C, and not less than 3 parts by mass of a resin having a softening point of 60 to 120°C, are contained per 100 parts by mass of a rubber component.

Anmelder

Firma

Sumitomo Rubber Industries, Ltd.

Land

🇯🇵 Japan

Fachgebiete