Patent · US Active

Ink degassing for circulating ink supply systems in ink jet printers

US8157365B2 · kind B2 · utility

7Cited by

4References

26Claims

0Family size

Assignee

AGFA GRAPHICS NV · BE

Inventors

Paul Wouters · Vilvoorde, BE
Werner Van De Wynckel · Mortsel, BE

Key dates

Filing date	Dec 21, 2007
Grant date	Apr 17, 2012
Priority date	—
Expiry date	Feb 22, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J2/175
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

An ink circulation system includes a supply subtank for supplying ink to an ink jet print head and a return subtank returning the ink not ejected by the ink jet print head. A print circulation path links the supply subtank with the ink jet print head and the return subtank for providing a print flow of ink from the supply subtank to the ink jet print head, the return subtank, and back to the supply subtank. A degas circulation path links the supply subtank with a through-flow degassing unit for providing a degas flow of ink from the supply subtank to the through-flow degassing unit and back to the supply subtank. The ink circulation system improves the degassing quality of the ink supplied to the ink jet print head of a printing apparatus is provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.