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:
Aug. 05, 2014
Filed:
Mar. 25, 2011
Applicants:
Soichi Yamazaki, Shiojiri, JP;
Ayako Nishiki, Matsumoto, JP;
Inventors:
Soichi Yamazaki, Shiojiri, JP;
Ayako Nishiki, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/01 (2006.01); B41J 2/21 (2006.01); B41J 2/165 (2006.01);
U.S. Cl.
CPC ...
B41J 2/01 (2013.01); B41J 2/2107 (2013.01); B41J 2/16538 (2013.01);
Abstract
An ink jet recording device is provided which includes an ink jet head which has a nozzle surface where a plurality of nozzle opening ends are arranged and which ejects water-based ink from the nozzles to a recording medium and a wiping device that executes a wiping operation where the nozzle surface and a wiping member are brought into contact and the nozzle surface is wiped, where oleic acid and a dispersant for dispersing the oleic acid into water by emulsifying the oleic acid are added to the water-based ink.