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:
Dec. 05, 2017

Filed:

Oct. 26, 2015
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Hiroyuki Ishii, Shiojiri, JP;

Taiki Hanagami, Matsumoto, JP;

Isamu Togashi, Matsumoto, JP;

Ryota Kinoshita, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17596 (2013.01); B41J 2/175 (2013.01); B41J 2/17563 (2013.01);
Abstract

A flow channel structure includes a first flow channel chamber to which an ink is supplied, a first sealing body that configures a wall face of the first flow channel chamber, a valve body that controls flow and blocking of the ink in accordance with deformation of the first sealing body, a second flow channel chamber that communicates with the first flow channel chamber, and a second sealing body that configures a wall face of the second flow channel chamber, in which the rigidity of the second sealing body is greater than the rigidity of the first sealing body.


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