Reifen

Details

Veröffentlichungs-Nr.

EP3594021

Aktenzeichen

EP19178175

Anmeldetag

4. Juni 2019

Veröffentlichung

30. Dezember 2020

Erteilung

30. Dezember 2020

Rechtsraum

EP

IPC

B60C11/03B60C11/12B60C11/13

Abstract

A tyre has a tread portion (2) having a tread ground contacting surface (2s) and a main groove (3) having a bottom surface (40) and two groove wall surfaces (41) extending outwardly in a tyre radial direction from the bottom surface; in a lateral cross section perpendicular to a length direction, at least one groove wall surface (41) has an inner groove wall portion (42) connected with the bottom surface and a protruding portion (43) connected with the inner groove wall portion and having a protruding end (44) protruding inwardly in a groove width direction from a groove reference line (42a) obtained by extending the inner groove wall portion; the protruding portion (43) has an inclined surface portion (45) which extends obliquely between the protruding end (44) and the tread ground contacting surface (2s), when the tread portion in a reference state is loaded with a tyre load of 1.20 times a standard tyre load, the whole inclined surface portion (45) contacts a flat surface.

Anmelder

Firma

Sumitomo Rubber Industries, Ltd.

Land

🇯🇵 Japan

Fachgebiete