发明名称 |
METHOD FOR PRODUCING TYRES |
摘要 |
The present invention relates to a method and an apparatus for producing tyres. The apparatus comprises a mixing extruder (1) including a suction pump (24) in fluid connection with an inner chamber (17) of the mixing extruder (1) at a sector of the mixing extruder (1) close to an extruder head (19), such a suction pump (24) being suitable to operate at a suction pressure (Pa) preferably lower than about 150 mbars. This suction pressure enables the processing ability features of the elastomeric compound, as well as the performances findable in a tyre obtained from semimanufactured products produced with said elastomeric compound, to be improved. |
申请公布号 |
EP2655029(A1) |
申请公布日期 |
2013.10.30 |
申请号 |
EP20110797149 |
申请日期 |
2011.11.28 |
申请人 |
PIRELLI TYRE S.P.A. |
发明人 |
BOTTOMLEY, ALAN;TESTI, STEFANO;HANEL, THOMAS;SCURATI, ALBERTO |
分类号 |
B29B7/42;B29B7/48;B29B7/74;B29B7/84;B29C47/00;B29C47/38;B29C47/40;B29C47/64;B29C47/76;B29D30/00 |
主分类号 |
B29B7/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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