发明名称 SELF-SEALING TYRE FOR MOTOR VEHICLE WHEELS AND SELF-SEALING TYRE
摘要 <p>The present invention relates to a self-sealing tyre for vehicle wheels comprising at least one carcass ply (3), a tread band (7) in a crown zone of the tyre, at least one liner (9) applied in radially internal position with respect to said carcass ply, a sealing assembly (12) applied in radially internal position with respect to the liner and axially extended at least at a part of the crown portion; wherein said sealing assembly (12) comprises a self-supporting elastomeric film (11) comprising at least 50% by weight with respect to the weight of the film of a thermoplastic elastomeric polyurethane (TPU), and a layer of sealing material (10) associated with and supported by said self-supporting elastomeric film (11); wherein the self-supporting elastomeric film (11) is radially internal with respect to the layer of sealing material (10) and said layer of sealing material is in contact with the liner (9).</p>
申请公布号 WO2015079384(A1) 申请公布日期 2015.06.04
申请号 WO2014IB66329 申请日期 2014.11.25
申请人 PIRELLI TYRE S.P.A. 发明人 GIANNINI, LUCA
分类号 B29C73/22;B29C73/20;B29D30/06;B60C19/12 主分类号 B29C73/22
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