发明名称 METHOD FOR EXTRUSION COATING A LIGHTWEIGHT WEB
摘要 The specification discloses a method for extrusion coating a lightweight web. According to the method, a length of a lightweight web (14) along with a length of a carrier web (20) is fed to an extruder (34) with the lightweight web positioned atop the carrier web. A polymer film (12) is then extruded onto the combined lightweight web and carrier web to provide an extrusion-coated lightweight web (10). Thereafter, the extrusion-coated lightweight is separated from the carrier web. Also disclosed are extrusion-coated lightweight webs formed according to the method.
申请公布号 CA2463766(C) 申请公布日期 2008.07.29
申请号 CA20022463766 申请日期 2002.10.16
申请人 INTERNATIONAL PAPER COMPANY 发明人 KNAUF, GARY H.
分类号 B29C47/02;B05D1/26;B05D7/00;B29C47/14;B32B15/08;B32B27/10;B32B27/12;B32B37/15;D04H13/00;D21H23/46 主分类号 B29C47/02
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