发明名称 Method of extrusion molding prism film and prism film manufactured by the same
摘要 A method of extrusion molding a prism film and a prism film manufactured by the same, the method including providing a molten film, simultaneously forming a prism pattern and an embossed pattern on opposite surfaces of the molten film by passing the molten film through a gap between a prism roll and an emboss roll, and cooling the molten film having the prism pattern and the embossed pattern on opposite surfaces thereof.
申请公布号 US7936517(B2) 申请公布日期 2011.05.03
申请号 US20090654121 申请日期 2009.12.10
申请人 CHEIL INDUSTRIES, INC. 发明人 CHO GYU CHAN;LEE JIN WOO;PARK SUN HONG;KIM JONG KWAN
分类号 G02B27/10 主分类号 G02B27/10
代理机构 代理人
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