发明名称 |
METHOD AND APPARATUS FOR MANUFACTURING A TYRE FOR VEHICLE WHEELS |
摘要 |
<p>During manufacture of a tyre for motor vehicles, one or more structural elements of elastomeric material, such as a tread band provided with a respective under-layer, are manufactured by laying a continuous elongated element on the carcass structure or other forming support, which elongated element is longitudinally divided into a first and second mutually-coupled portions that are obtained through extrusion of two different elastomeric materials coming from respective extruders leading to a common extrusion die. Laying of the coils takes place in such a manner that the first and second materials form a first layer and a second layer overlapping the first layer, respectively.</p> |
申请公布号 |
EP1817157(B1) |
申请公布日期 |
2013.10.02 |
申请号 |
EP20050792254 |
申请日期 |
2005.10.11 |
申请人 |
PIRELLI TYRE S.P.A. |
发明人 |
LO PRESTI, GAETANO;NOTO, RODOLFO;POZZATI, GIOVANNI |
分类号 |
B29D30/14;B29C47/04;B29C47/06;B29D30/28;B29D30/60 |
主分类号 |
B29D30/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|