The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 22, 2008
Filed:
Mar. 31, 2005
Applicants:
Sandra J. Graveson, Enfield, NH (US);
Alan Menard, Ashford, CT (US);
Inventors:
Sandra J. Graveson, Enfield, NH (US);
Alan Menard, Ashford, CT (US);
Assignees:
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Dimatix, Inc., Lebanon, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
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.