Interlaminar structure for security element
US7744797B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 6, 2003 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | May 7, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24917
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A multilayer security element with at least two security features exactly disposed to each other is produced by the security features being present on separate carrier foils (100, 200) and the carrier foils being laminated with each other in such a way that the security features in the layer compound are disposed to each other in register. As to achieve an exact register of the security features, each carrier foil has register marks, with the help of which the foils are controlled relative to each other. The controlling is effected by stretching that carrier foil, the security features of which are running behind relative to the security features of the respective other carrier foil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.