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.

Date of Patent:
Sep. 12, 2023

Filed:

Jul. 27, 2021
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Tomonaga Hasegawa, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 3/407 (2006.01); B41J 2/045 (2006.01); B25J 11/00 (2006.01); B25J 9/16 (2006.01); B25J 15/00 (2006.01);
U.S. Cl.
CPC ...
B41J 3/4073 (2013.01); B25J 9/1661 (2013.01); B25J 9/1697 (2013.01); B25J 11/0075 (2013.01); B25J 15/0019 (2013.01); B41J 2/04541 (2013.01); B41J 2203/011 (2020.08);
Abstract

Provided is a three-dimensional object printing apparatus, in which a printing operation for a workpiece includes: a first pass in which liquid is ejected toward a first region of the workpiece; a second pass in which the liquid is ejected toward a second region that partially overlaps the first region of the workpiece; a third pass in which the liquid is ejected toward a third region of the workpiece; a fourth pass in which the liquid is ejected toward a fourth region that partially overlaps the third region of the workpiece, the curvature of a surface including the first region and the second region is larger than the curvature of a surface including the third region and the fourth region, and an overlapping width between the first region and the second region is smaller than an overlapping width between the third region and the fourth region.


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