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:
Apr. 07, 2015
Filed:
Apr. 02, 2014
Applicant:
Oce-technologies B.v., Venlo, NL;
Inventors:
Hendrikus J. M. Freriks, Venlo, NL;
Hans Reinten, Velden, NL;
Marcus J. Van Den Berg, Venlo, NL;
Igor Shklyarevskiy, Nijmegen, NL;
Klaas Verzijl, Well, NL;
Ronald Berkhout, Maasbree, NL;
Assignee:
Oce-Technologies B.V., Venlo, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1433 (2013.01); B41J 2/14233 (2013.01); B41J 2/161 (2013.01); B41J 2/1628 (2013.01); B41J 2/1629 (2013.01); B41J 2202/11 (2013.01); B41J 2202/12 (2013.01);
Abstract
A droplet ejection device comprising a flow passage, a nozzle orifice formed in a wall of the flow passage, a circulation system for circulating a liquid through the flow passage, and an actuator system for generating a pressure wave in the liquid in the flow passage, wherein an obstruction member is arranged in the flow passage in a position opposite to the nozzle orifice and projecting towards the nozzle orifice.