公开(公告)号：US20170246920A1

公开(公告)日：2017-08-31

申请号：US15442058

申请日：2017-02-24

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

Inventor： Paulus BREMMER ,  Antoon Johannes Hendrikus SPREEUWEBERG

IPC: B60C15/024 ,  B60B21/10

CPC classification number: B60C15/024 ,  B60B21/102 ,  B60B21/104 ,  B60C2015/0245

Abstract: A pneumatic tyre comprises a tread portion, a pair of opposing sidewall portions and a pair of opposing bead portions, the tread portion extending radially outwards from the sidewall portions and the sidewall portions extending radially outwards from the bead portions, wherein each bead portion comprises an axially inward side and an axially outward side which are joined at a base of the bead portion and each axially outward side of the bead portion comprises a concave region extending axially inwards. Each concave region further comprises a convex region located within the concave region which extends axially outwards.