| 发明名称 |
APERFEICOAMENTO NO PROCESSO DE FORMACAO DE PELICULA ASSOPRADA E APARELHO PARA SUA FORMACAO |
| 摘要 |
A process for forming tubular film by permitting a molten tubular film to expand by cooling it rapidly by blowing cooling air perpendicular to the axis of the tubular film and then cooling with secondary cooling air. |
| 申请公布号 |
BR8206036(A) |
申请公布日期 |
1983.09.13 |
| 申请号 |
BR19828206036 |
申请日期 |
1982.10.15 |
| 申请人 |
NIPPON UNICAR COMPANY LIMITED |
发明人 |
SHIEGO FUGITANI;YOUICHI MATSUDA |
| 分类号 |
B29C55/28;B29C47/00;B29C47/88;B29C49/00;B29C55/00;B29L7/00;(IPC1-7):B29D23/03 |
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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