| 发明名称 |
VALUABLE PAPER INCORPORATING A SECURITY THREAD, AND PROCESS FOR MANUFACTURING IT |
| 摘要 |
<p>The security thread is transparent and has on one side a printed image and on the opposite side, adapted to the printed image, a lens structure. Such threads change in appearance with the viewing angle. To produce the security threads, a transparent film embossed in the desired lens relief is guided over guide elements having a relief structure which is the opposite of that of the film to a printer with repeat matching repeat and is then divided into individual threads in a cutter. …<IMAGE>… </p> |
| 申请公布号 |
EP0238043(A3) |
申请公布日期 |
1988.09.14 |
| 申请号 |
EP19870103855 |
申请日期 |
1987.03.17 |
| 申请人 |
GAO GESELLSCHAFT FUR AUTOMATION UND ORGANISATION MBH |
发明人 |
KAULE, WITTICH, DR. PHYS.;SCHWENK, GERHARD,DR. CHEM.;MOLL, JURGEN, DR. CHEM.;STENZEL, GERHARD, DR. PHYS. |
| 分类号 |
B29C59/04;B29D7/00;B29D11/00;B29D99/00;B41F13/02;B41F19/02;B42D15/00;B42D25/355;B44B5/00;B44F1/10;B65H23/00;B65H35/02;D01D5/42;D21H21/42;D21H21/48;G07D7/12;(IPC1-7):D21H5/10;B65H23/02;B44F1/12 |
主分类号 |
B29C59/04 |
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