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:
May. 14, 2019
Filed:
Mar. 01, 2018
Seiko Epson Corporation, Tokyo, JP;
Taiki Hanagami, Matsumoto, JP;
Isamu Togashi, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A flow path member includes a film, a main body that includes a recess portion that is closed by the film, a first opening and a second opening that are provided in the recess portion and used to supply and emit a liquid, and a wall which is provided in the recess portion. The film and the wall are configured to switch between contact and non-contact between the film and the main body according as the film displaces. In a first direction, the wall is provided around the first opening, the wall has a first slit in one of two portions of the wall across the first opening from each other and a second slit in the other one of the two portions, and the second opening is outside the wall. An opening area of the first slit is larger than an opening area of the second slit.