Invention Grant
- Patent Title: Ink jet printing method and ink jet printing apparatus
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Application No.: US16802609Application Date: 2020-02-27
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Publication No.: US11241887B2Publication Date: 2022-02-08
- Inventor: Tadashi Watanabe , Ippei Okuda
- Applicant: Seiko Epson Corporation
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JPJP2019-035173 20190228
- Main IPC: B41J2/21
- IPC: B41J2/21 ; B41J2/165

Abstract:
An ink jet printing method includes an application step of ejecting a coloring ink composition functioning to color a printing medium through an ejection opening of a first ink jet head to apply the coloring ink composition onto a printing medium, and an application step of ejecting a non-coloring composition different from the coloring ink composition through an ejection opening of a second ink jet head to apply the non-coloring composition onto the printing medium. The coloring ink composition is circulated through a circulation path connected to the first ink jet head after being fed into the first ink jet head and before being ejected through the ejection opening of the first ink jet head. The non-coloring composition is not circulated through a circulation path after being fed into the second ink jet head and before being ejected through the ejection opening of the second ink jet head.
Public/Granted literature
- US20200276828A1 Ink Jet Printing Method And Ink Jet Printing Apparatus Public/Granted day:2020-09-03
Information query
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