发明名称 METHOD AND DEVICE FOR EXTRUSION-MOLDING TUBULAR FOAMED POLYMER SHEET
摘要 A process and system for the formation of a polymer foam sheet of comparatively uniform biaxially orientation and comparatively uniform dimensions prepared by extruding polymer foam so that it rides on a fluid bearing film between the point of extrusion and a point of diameter expansion of the extruding tube.
申请公布号 JPS59120428(A) 申请公布日期 1984.07.12
申请号 JP19830239044 申请日期 1983.12.20
申请人 MOBIL OIL CORP 发明人 DEIBITSUDO EMIRU JIYONSON
分类号 B29B7/00;B29C44/50;B29C47/00;B29C47/20;B29C47/88;B29C47/90;B29C47/92 主分类号 B29B7/00
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