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. 23, 2023
Filed:
Mar. 03, 2021
Applicant:
Seiko Epson Corporation, Toyko, JP;
Inventors:
Akira Mizutani, Matsumoto, JP;
Yuta Asakawa, Azumino, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 (2006.01); C09D 11/54 (2014.01);
U.S. Cl.
CPC ...
B41J 2/16552 (2013.01); C09D 11/54 (2013.01); B41J 2002/16558 (2013.01);
Abstract
A maintenance method for an ink jet recording apparatus that performs recording using an ink composition and a treatment liquid containing a coagulant, wherein the ink jet recording apparatus has an ink jet head for ejecting the ink composition, the method includes a wiping step of wiping a nozzle-forming surface of the ink jet head with a maintenance liquid and an absorbent wiping member, and the maintenance liquid contains water that constitutes 80% or more by mass of a total mass of the maintenance liquid.