公开(公告)号：US11167600B2

公开(公告)日：2021-11-09

申请号：US16099583

申请日：2017-05-09

Applicant: Apollo Tyres Global R&D B.V.

Inventor： Ydwer Rinske Woudstra ,  Ysbrand Hans Wijnant ,  Dirk Anton Bekke

IPC: B60C11/13 ,  B60C11/04 ,  B60C19/00 ,  B29D30/06

Abstract: A pneumatic tyre including a tread portion, wherein the tread portion has a groove which is oriented at an angle between +45 and −45 degrees with respect to the rolling direction of the tyre, the groove having a depth extending in the radial dimension, wherein the groove includes a plurality of protrusions extending along the direction of the groove, wherein each protrusion has a length in the direction of the groove, a width perpendicular to its length and a height. Each protrusion has a length of at least 75% of the circumferential length of the tyre tread.