发明名称 METHOD OF PREPARING TUBULAR FILM
摘要 This invention is to provide the method for moulding tubular film of a polyolefine-resin with improved mechanical strength. Tubular film is moulded to melt and inject a polyolefine-resin by an air-cooling inflantion method and by moulding apparatus with resin babble strabilizer on the top of dais.(exit temp. of the dais 200≦̸C, flow-ratio 4, and winding speed of film 50m/min.).
申请公布号 KR810000639(B1) 申请公布日期 1981.06.10
申请号 KR19750002715 申请日期 1975.12.13
申请人 IDEMITS SEGYU KAKAKU CO LTD 发明人 USHIODA KATSUYOSHI
分类号 (IPC1-7):B29D7/02 主分类号 (IPC1-7):B29D7/02
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