| 发明名称 |
WERKWIJZE VOOR HET VERVAARDIGEN VAN EEN VLAKKE FOELIE UIT THERMOPLASTISCHE KUNSTSTOF. |
| 摘要 |
In the casting of molten thermoplastic film onto a moving quenching surface and pinning the edges of the film to the quenching surface an improvement is realized by applying additional pinning force to the edge portions of the extruded film to prevent localized thinning of the film. |
| 申请公布号 |
NL178401(C) |
申请公布日期 |
1986.03.17 |
| 申请号 |
NL19730003182 |
申请日期 |
1973.03.07 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY TE WILMINGTON, DELAWARE, VER. ST. V. AM. |
发明人 |
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| 分类号 |
B29B7/00;B29C31/00;B29C41/26;B29C47/00;B29C47/88;B29C71/00;B29D1/00 |
主分类号 |
B29B7/00 |
| 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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