| 发明名称 |
Withdrawal device for a blown tubular film |
| 摘要 |
A withdrawal device for a plastic tubular film is manufactured in a blowing method by an extruder. To prevent the formation of center wrinkles in the withdrawal of plastic tubular film, at least one deflection cylinder and/or angle bar has a differing diameter across its length.
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| 申请公布号 |
US5674540(A) |
申请公布日期 |
1997.10.07 |
| 申请号 |
US19950554791 |
申请日期 |
1995.11.07 |
| 申请人 |
WINDMOELLER & HOELSCHER |
发明人 |
SENSEN, KLEMENS;BECKMANN, HANS-UDO;LINKIES, JUERGEN;KOETTER, EGON;KRAUSE, ULRICH |
| 分类号 |
B29C55/22;B29C47/00;B29C47/20;B29C47/34;B29C55/28;B65H23/32;(IPC1-7):B29C53/20 |
主分类号 |
B29C55/22 |
| 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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