| 发明名称 |
A METHOD OF PRODUCING FILM FROM THERMOPLASTIC MATERIAL IS ALSO CLAIMED |
| 摘要 |
An apparatus and method for internally cooling extruded tubular film produced from film-forming polymers such as polyethylene, polypropylene and the like. |
| 申请公布号 |
AU3195877(A) |
申请公布日期 |
1979.06.28 |
| 申请号 |
AU19770031958 |
申请日期 |
1977.12.23 |
| 申请人 |
UNION CARBIDE CORPORATION |
发明人 |
RICHARD BERNHARD ALDERFER;GERALD HARRY SCHEIBNER |
| 分类号 |
B29C55/00;B29B7/00;B29C47/00;B29C47/20;B29C47/88;B29C47/90;B29C49/00;B29C55/28;B29C69/00 |
主分类号 |
B29C55/00 |
| 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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