发明名称 FREMGANGSMAADE OG APPARAT TIL FREMSTILLING AF PLASTFOLIE
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 DK237381(A) 申请公布日期 1981.12.01
申请号 DK19810002373 申请日期 1981.05.29
申请人 NIPPON UNICAR CO LTD 发明人 FUJITANI S;MATSUDA Y
分类号 B29C55/28;B29C47/00;B29C47/88;B29C49/00;B29C55/00;C08J5/18 主分类号 B29C55/28
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