| 发明名称 |
Blow molding die and process for producing blown film |
| 摘要 |
<p>Provided is a blown molding die (50) to obtain a film having excellent properties and good appearance in blown film forming of a thermoplastic resin manifesting anisotropy in molten state. The blow molding die (50) has a simple structure compared with a conventional spider die, and can be produced easily and at low cost. <IMAGE></p> |
| 申请公布号 |
EP0988956(A1) |
申请公布日期 |
2000.03.29 |
| 申请号 |
EP19990118041 |
申请日期 |
1999.09.22 |
| 申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
YAMAGUCHI, TAKANARI;FURUTA, MOTONOBU |
| 分类号 |
B29C55/28;B29C47/00;B29C47/20;(IPC1-7):B29C47/20 |
主分类号 |
B29C55/28 |
| 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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