Methods for applying ink and washing-up after printing
US6883427B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2003 |
| Grant date | Apr 26, 2005 |
| Priority date | — |
| Expiry date | Dec 4, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41P2235/30
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In a printing system where ink from an applicator roller is applied to a form roller in rotational contact with a plate cylinder, methods of washing up after printing in which methods the form roller is disengaged from the plate cylinder and a subtractive roller system removes a mixture of residual ink and ink solvent from the form roller and applicator roller. In preferred embodiments, the press drive is stopped during wash-up and the form roller is independently driven.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.