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 along with a length of a carrier web is fed to an extruder with the lightweight web positioned atop the carrier web. A polymer film is then extruded onto the combined lightweight web and carrier web to provide an extrusion-coated lightweight web. 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 US2004091733(A1) 申请公布日期 2004.05.13
申请号 US20030691743 申请日期 2003.10.23
申请人 KNAUF GARY H. 发明人 KNAUF GARY H.
分类号 B05D1/26;B05D7/00;B29C47/02;B29C47/14;B32B15/08;B32B27/10;B32B27/12;B32B37/15;D04H13/00;D21H23/46;(IPC1-7):B29D11/00 主分类号 B05D1/26
代理机构 代理人
主权项
地址