Die and process for extrusion

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United States of America Patent

PATENT NO 9387620
APP PUB NO 20140106128A1
SERIAL NO

14006473

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Abstract

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The present disclosure is related to a die suitable for extrusion of thermoplastic vulcanizate, in particular for co-extrusion of multiple materials comprising a thermoplastic vulcanizate. The die comprises a pool die plate, an orifice die plate, and a profile die plate. By utilizing the die according to the present disclosure in extrusion, the flow of extrudate can be well controlled and balanced due to the design of flow pool and through orifice, thereby an extruded article achieves good shape performance, for example, good surface smoothness, and an undesired effect like edge tear, warpage, die moustache, silver line in the extrusion can be avoided.

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Patent Owner(s)

Patent OwnerAddress
CELANESE INTERNATIONAL CORPORATION222 WEST LAS COLINAS BOULEVARD IRVING TX 75039

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fan, Xing Shanghai, CN 97 647
Li, Liang Shanghai, CN 515 3124
Yamaguchi, Toshiaki Yokohama, JP 84 612

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