Printing system having valved ink and gas distribution for printhead
US8733908B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2011 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Jun 6, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87338
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of fluid tubes each defining an individual closed fluid flow loop, a first multi-channel valve arrangement for selectively allowing fluid flow along each closed loop via the printhead by selectively moving a pinch element into and out of pinching contact with the fluid tubes so as to respectively block and allow fluid flow through the fluid tubes, a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a second multi-channel valve arrangement for selectively allowing venting of gas in each closed loop via the gas vents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.