发明名称 Extrusion die for Tubes with a modified profile of the spider legs of the mandrel
摘要 Extruder head for making rigid or foam polyvinyl chloride tubes comprises an inner (1) and an outer (2) collar. These are connected by V-shaped spokes (3), each of which is rotated with respect to its neighbors.
申请公布号 EP1338401(A1) 申请公布日期 2003.08.27
申请号 EP20030002726 申请日期 2003.02.06
申请人 BATTENFELD EXTRUSIONSTECHNIK GMBH 发明人 DOHMANN, HEINRICHT;WITT, REINHARD
分类号 B29C47/20;B29C47/70 主分类号 B29C47/20
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