| 发明名称 |
METODO DE FABRICO DE UM ARTIGO DE SEGURANCA |
| 摘要 |
A method of manufacturing a security item comprises coextruding at least two polymer plastic materials (6,7) with different characteristics so as to form a substrate so that neither material are biaxially oriented, and providing security indicia (14) on the substrate. |
| 申请公布号 |
PT1062104(E) |
申请公布日期 |
2002.11.29 |
| 申请号 |
PT19990939180T |
申请日期 |
1999.03.03 |
| 申请人 |
DE LA RUE INTERNATIONAL LIMITED |
发明人 |
CHARLES EDWARD CHATWIN;CHRISTOPHER JOHN FICE |
| 分类号 |
B29C47/04;B42D15/10 |
主分类号 |
B29C47/04 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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