发明名称 |
Procedimiento para generar marcas de identificación sobre papel o cartón y material marcado fabricado con el procedimiento |
摘要 |
The invention comprises a method for producing identification marks (5) on layer-structured paper or board (7) to be manufactured in a continuous web and the marked papers and boards obtained with this method. With this method, the marks (5) are made with a laser beam on a moving web form fiber layer (1), on which a second layer of material (6) is subsequently overlaid in such a way that the marks remain inside the layer-structure of the moving web. The second material layer (6) may comprise a second fiber layer or, for example, a polymer coating. The laser marking takes place by engraving the surface of the fiber layer (1). Inside the layer structure, the marks (5) are protected, but detectable with a detector to ensure the authenticity of the material. The marked paper or board is suitable for product packages to be protected against product forgeries. |
申请公布号 |
ES2461546(T3) |
申请公布日期 |
2014.05.20 |
申请号 |
ES20120188525T |
申请日期 |
2005.01.04 |
申请人 |
STORA ENSO OYJ |
发明人 |
RÄSÄNEN, JARI;TEVÄ, ERKKI;MIIKKI, NINA |
分类号 |
B41M5/24;B41M5/26;B41M7/00;D21H21/40;D21H25/00;D21H25/04;D21H27/02;D21H27/38 |
主分类号 |
B41M5/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|