Digital printing system
US10569534B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2018 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Dec 20, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/012
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A system printing comprises: a movable intermediate transfer member in the form of a flexible, substantially inextensible, belt guided to follow a closed path, an image forming station for forming an ink image, a drying station for drying the ink image to leave an ink residue film, first and second impression stations spaced from one another in the direction of movement of the belt, each impression station comprising an impression cylinder for supporting and transporting a substrate and a pressure cylinder for urging the belt against the substrate supported on the impression cylinder, and a transport system including a perfecting system for selectively inverting the substrate during transportation between the two impression stations; and a treatment station situated between the second impression station and the image forming station, the treatment station configured to apply a treatment agent comprising polyethylenimine (PEI) to pre-treat the belt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.