发明名称 |
METHOD AND DEVICE FOR THE SECURE PROTECTION OF OFFICIAL DOCUMENTS BY MEANS OF A TRANSPARENT FILM HAVING A SINGLE CONTINUOUS THERMOPLASTIC LAYER |
摘要 |
The invention relates to a method for the secure protection of a surface portion (5) of an official document (9) in which a transparent security film is heat-transferred onto said surface portion. The security film includes a single continuous layer (2) which determines the format thereof and has a thickness of 5 mum to 25 mum, made up of a thermoplastic resin having a glass-transition temperature of 30 °C to 120 °C. A protective device supporting said security film is laminated at a lamination temperature higher than said glass-transition temperature in order to perform the transfer thereof. |
申请公布号 |
HK1205483(A1) |
申请公布日期 |
2015.12.18 |
申请号 |
HK20150106171 |
申请日期 |
2015.06.29 |
申请人 |
FASVER |
发明人 |
BES, LAURENCE;PHILIPPE, ERIC;GALLO, ANTHONY |
分类号 |
B32B;B41M;B42D;B44C |
主分类号 |
B32B |
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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