发明名称 |
Blowing head for extruding films, comprising clamping elements containing ducts for cooling air |
摘要 |
Tubular film die head for extruding single-layer or multi-layer film which has at least the following features: a substantially annular die gap, fastening elements which fix at least two components with respect to one another which together border areas bearing plastic melt within the tubular film die head, coolant-carrying elements. At least one part of the fastening elements is structured as coolant-carrying elements.
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申请公布号 |
US7195471(B2) |
申请公布日期 |
2007.03.27 |
申请号 |
US20040502060 |
申请日期 |
2004.08.02 |
申请人 |
WINDMOELLER & HOELSCHER KG |
发明人 |
SENSEN KLEMENS;MEYER ULRICH |
分类号 |
B29C47/88;B29C47/08;B29C47/20 |
主分类号 |
B29C47/88 |
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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