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. 22, 2020

Filed:

Feb. 19, 2019
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Ken Yamagishi, Shiojiri, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); F16K 31/126 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17509 (2013.01); B41J 2/14233 (2013.01); B41J 2/175 (2013.01); F16K 31/126 (2013.01); B41J 2202/07 (2013.01);
Abstract

A flow path member includes a gas chamber which allows inflow and outflow of gas, and a flexible member that partitions part of the gas chamber and deforms in response to pressure change in the gas chamber, wherein the flexible member has a contact section configured to abut another object, the contact section being disposed inside a regulation section in which deformation is regulated, and the contact section abuts the another object to seal the another object during at least one of depressurization and pressurization of the gas chamber.


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