Inking unit for a printing machine
US4620481A · kind A · utility
8Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 3, 1985 |
| Grant date | Nov 4, 1986 |
| Priority date | — |
| Expiry date | Jul 3, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S101/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In an inking unit, the ink is taken in metered quantities from an ink reservoir and distributed by inking rollers to form an ink film adapted to be applied by ink applicator rollers to a printing plate. To avoid mottling, an ink applicator roller is moved axially in the phase of a machine cycle during which the ink applicator roller is not in engagement with the printing plate. During the ink application, on the other hand, the ink applicator roller performs either no axial movement or only a slight axial movement. This avoids an undesirable increase of the size of the screen dots and improves the print quality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.