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:
May. 21, 2019
Filed:
Jul. 08, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Tsuyoshi Kanke, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
B41J 2/01 (2013.01); B41J 2/165 (2013.01); B41J 2/1652 (2013.01); B41J 2/16535 (2013.01); B41J 2/16552 (2013.01);
Abstract
An ink jet recording device capable of maintaining an ejection stability for a long period of time. The ink jet recording device includes a recording head having an ejection port configured to eject an aqueous ink and an ejection-port surface in which the ejection port is opened and a liquid supply mechanism configured to supply an ejection-port clogging prevention liquid into the ejection port, the aqueous ink contains at least one component selected from the group consisting of pigment particles and resin particles, and the clogging prevention liquid has a dielectric constant of 20 to 40 at 25° C.