Rotary printing machine for security papers
US6101939A · kind A · utility
33Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1999 |
| Grant date | Aug 15, 2000 |
| Priority date | — |
| Expiry date | Apr 6, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F11/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The web fed or sheet fed printing machine for security papers, in particular banknotes, possesses a principal printing group. It further has an additional, independent printing group (20) placed upstream of the principal printing group in the feed direction of the paper and allowing a pattern in at least one predetermined color to be printed over the entire width of the paper before the paper passes into the principal printing group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.