Patent · US Expired

Ink jet device with ink deaerator

US7401908B2 · kind B2 · utility

0Cited by

8References

10Claims

0Family size

Assignees

Heidelberger Druckmaschinen AG · DE
Dimatix, Inc. · US

Inventors

Sandra Graveson · Enfield, US
Alan W. Menard · Bolton, US

Key dates

Filing date	Mar 31, 2005
Grant date	Jul 22, 2008
Priority date	—
Expiry date	Jan 22, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J2/17503
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

An ink jet device includes an ink jet print head and a deaerator having an ink passage, a membrane and a vacuum chamber. The ink passage has an exit connected to the ink jet print head and an inlet, and the membrane has a first side and a second side. The first side contacts ink in the ink passage and the second side contacts the vacuum chamber. The inlet of the ink passage is located above the exit.

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