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:
Aug. 02, 2016
Filed:
Mar. 28, 2013
Seiko Epson Corporation, Tokyo, JP;
Keiji Hara, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
The flow channel member includes an attachment member having a first flow channel to be connected to an ink cartridge; a flow channel plate having a second flow channel to be connected to a head main body ejecting an ink; an adhesive arranged on a first joining surface and a second joining surface where the attachment member and the flow channel plate are opposing each other, and enclosing openings of the first flow channel and the second flow channel; a seal member arranged on the joining surfaces, enclosing an outer side of the adhesive; and an air chamber between the adhesive and the seal member, in which a communication channel allowing the air chamber to communicate outward is disposed in the attachment member, and the communication channel is capable of communicating with an outward open channel of the ink cartridge.