Multi-color multi-speed printing apparatus with circulation
US11400727B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 1, 2021 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Feb 1, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/18
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Methods, systems, and devices related to a printer system that includes a first primary ink tank holding a dark-colored ink, a second primary ink tank holding a light-colored ink, a first selector valve configured to change a state, a first secondary ink tank connected to the first primary ink tank via the first selector valve, a second secondary ink tank connected to the first and second primary ink tanks via the first selector valve, a second selector valve connected to the first primary ink tank configured to return the dark-colored ink from the print heads to the first primary ink tank, and a third selector valve connected to the second selector valve and the second primary ink tank configured to either return the light-colored ink from the print heads to the second primary ink tank or to direct the dark-colored ink to the second selector valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.