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Method for spinning a multifilament yarn from a thermoplastic material, polyester multifilament yarns, and tire cord.
Method for spinning a multifilament yarn from a thermoplastic material, polyester multifilament yarns, and tire cord.
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机译:由热塑性材料纺制复丝纱的方法,聚酯复丝纱和轮胎帘线。
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摘要
A method is provided for spinning a multifilament thread from a thermoplastic material, including the steps of extruding the melted material through a spinneret with a plurality of spinneret holes into a filament bundle with a plurality of filaments, winding the filaments as thread after solidifying, and cooling the filament bundle beneath the spinneret, whereby in a first cooling zone the gaseous cooling medium is directed in such a way that it flows through the filament bundle transversely, the cooling medium leaving the filament bundle practically completely on the side opposite the inflow side, and in a second cooling zone beneath the first cooling zone, the filament bundle being cooled further essentially through self-suction of the gaseous cooling medium surrounding the filament bundle.
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