PNEUMATIC TIRE

A pneumatic tire, which may include a bead portion reinforcing cord layer disposed along a turn-up portion of a carcass, includes at least one component member selected from the group consisting of a carcass cord ply and a belt cord layer and/or the bead portion reinforcing cord layer including an e...

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1. Verfasser: SAITO YASUYO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A pneumatic tire, which may include a bead portion reinforcing cord layer disposed along a turn-up portion of a carcass, includes at least one component member selected from the group consisting of a carcass cord ply and a belt cord layer and/or the bead portion reinforcing cord layer including an end rubber wrapping the end part thereof, the end rubber having a loss tangent larger than 0.20 and 0.35 or smaller at 2% strain at 25° C. and a difference E′ between a storage modulus at 0.1% strain and a storage modulus at 2% strain at 25° C. being 10 MPa or more and 30 MPa or less, and a coating rubber covering a cord in the component member and/or the bead portion reinforcing cord layer including the end rubber has a loss tangent at 2% strain at 25° C. of 0.20 or less.