发明名称 SELF-SEALING TYRE AND PROCESS FOR ITS MANUFACTURE
摘要 <p>A tire for a vehicle wheel includes a carcass structure, a belt structure, a tread, a pair of sidewalls, and at least one layer of sealing composition placed in a radially inner position with respect to the tread. The carcass structure includes at least one carcass ply shaped in a substantially toroidal configuration. Opposite lateral edges of the carcass structure are associated with respective bead wires. The belt structure includes at least one belt strip. The sealing composition includes at least one high molecular weight amorphous polymer, at least one low molecular weight amorphous polymer, and at least one reinforcing filler. The sealing composition is substantially non-crosslinked and has a flowability value, measured at a temperature of 100° C. and at a pressure of 30 bar, not higher than 30 cm3/s. A process for producing the tire for a vehicle wheel is also disclosed.</p>
申请公布号 EP1509383(B1) 申请公布日期 2009.07.29
申请号 EP20020743136 申请日期 2002.05.31
申请人 PIRELLI TYRE S.P.A. 发明人 SERRA, ANTONIO;NAHMIAS NANNI, MARCO
分类号 B29C73/22;B60C19/12;B29D30/00;B60C1/00;C08K3/00;C08L21/00;C08L91/00 主分类号 B29C73/22
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