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COEXTRUSION HEAD FOR COEXTRUDING A COMPLEX RUBBER PROFILE SECTION FOR MANUFACTURING A TYRE
COEXTRUSION HEAD FOR COEXTRUDING A COMPLEX RUBBER PROFILE SECTION FOR MANUFACTURING A TYRE
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机译:共挤出头用于共挤出用于制造轮胎的复杂橡胶轮廓部分
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摘要
A head is provided for the co-extrusion of a complex rubber profiled element for the manufacture of a tire. The head makes it possible to co-extrude a sublayer and a tread with inserts. To this end, the head includes, from upstream to downstream: a) a first extrusion duct divided into various sub-ducts, b) a discontinuous first profiling blade, c) a second extrusion duct divided into various sub-ducts, d) a discontinuous second profiling blade incorporating at least one third extrusion duct in the continuation of a divider, and e) a first profiling blade having a projecting tooth in front of and next to each outlet of a third duct in the transverse direction.
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