| 发明名称 |
PROCESS AND APPARATUS FOR FORMING A PLASTIC FILM |
| 摘要 |
A plastics film is formed by annealing a molten tubular film (5) in a first enclosed space (6) and immediately thereafter directing cold air perpendicular to the axis thereof and expanding and solidifying the film in a second enclosed space (11) while in contact with cold air flowing parallel to film travel. |
| 申请公布号 |
ZA8103641(B) |
申请公布日期 |
1982.06.30 |
| 申请号 |
ZA19810003641 |
申请日期 |
1981.05.29 |
| 申请人 |
NIPPON UNICAR CO LTD |
发明人 |
SHIGEO FUJITANI;YOUICHI MATSUDA |
| 分类号 |
B29C55/28;B29C47/00;B29C47/88;B29C49/00;B29C55/00;C08J5/18 |
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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