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:
Jan. 08, 2019
Filed:
Sep. 12, 2017
Applicant:
Sii Printek Inc., Chiba-shi, Chiba, JP;
Inventor:
Daiki Irokawa, Chiba, JP;
Assignee:
SII PRINTEK INC., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1433 (2013.01); B41J 2/14201 (2013.01); B41J 2/14209 (2013.01); B41J 2/162 (2013.01); B41J 2/1607 (2013.01); B41J 2/1609 (2013.01); B41J 2/1623 (2013.01); B41J 2/1632 (2013.01); B41J 2/1635 (2013.01);
Abstract
A liquid ejection head includes: actuator plates having discharge channels to be filled with an ink; sub-plates stacked on the −Z-direction end surfaces of discharge channels in the actuator plates along a flow direction of the ink and having communication paths communicating with the discharge channels; and a nozzle plate stacked on the −Z-direction end surfaces of the communication paths in the sub-plates along the flow direction and having nozzle holes communicating with the discharge channels through the communication paths. The −Z-direction end surfaces of the sub-plates are polished.