| 发明名称 |
Method of manufacturing a security item |
| 摘要 |
<p>A method of manufacturing a security item comprises extruding or casting a polymer plastics substrate (3) and, during the forming process, introducing a security thread (4) into the substrate. The security thread (4) is embedded to different depths in the substrate so as to generate a windowed effect. <IMAGE></p> |
| 申请公布号 |
EP1258334(A2) |
申请公布日期 |
2002.11.20 |
| 申请号 |
EP20020253245 |
申请日期 |
2002.05.09 |
| 申请人 |
DE LA RUE INTERNATIONAL LIMITED |
发明人 |
CUNNINGHAM, KAREN;MARX, JONATHAN BRIAN |
| 分类号 |
B29C47/02;(IPC1-7):B29C47/02;B29C47/10 |
主分类号 |
B29C47/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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