发明名称 Method an apparatus for manufacturing security films
摘要 <p>The preparation of a security film for security paper comprising a translucent carrier film with a partially coated top layer comprises the preparation of the carrier film, printing of this with a high pigment printing ink, which is dried to form a colored coating (CC), the formation of a thin top layer on the printed carrier film, removal of the CC by solvent washing and mechanical action of a textile surface structure (sic), and drying and trimming of the carrier film. - Independent claims are included for the following: - (a) a safety film prepared as above; and - (b) a device for carrying out the process using a washing device which includes a textile surface structure.</p>
申请公布号 EP1520929(B1) 申请公布日期 2009.03.04
申请号 EP20040015119 申请日期 2004.06.28
申请人 GIESECKE & DEVRIENT GMBH 发明人 BURCHARD, THEO, DR.
分类号 D21H21/44;B41M3/14;B42D15/00;B44C3/00 主分类号 D21H21/44
代理机构 代理人
主权项
地址