- Patent Title: Valve unit, liquid ejecting head, liquid ejecting apparatus, method of producing valve unit, method of producing liquid ejecting head, and method of producing liquid ejecting apparatus
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Application No.: US15922398Application Date: 2018-03-15
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Publication No.: US10525719B2Publication Date: 2020-01-07
- Inventor: Kei Tadachi , Satoshi Nagatoya , Hiroyuki Tsuchiya
- Applicant: SEIKO EPSON CORPORATION
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Workman Nydegger
- Priority: JP2017-058699 20170324
- Main IPC: B41J2/175
- IPC: B41J2/175 ; F16J15/00 ; B29C70/80 ; B05D5/00
Abstract:
A valve unit includes a flow path member having an opening surface that has a flow path opening of a liquid flow path, a valve having a sealing surface configured to seal the flow path opening, and a sealing member disposed on one of a peripheral portion of the flow path opening in the opening surface and a portion of the sealing surface facing the peripheral portion. The sealing surface is configured to be moved forward and backward relative to the opening surface to open and close the flow path opening. The sealing member is configured to be in contact with the peripheral portion of the flow path opening and the sealing surface when the valve is closed. The sealing member includes a fluorinated polyether.
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