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:
Oct. 23, 2012
Filed:
Aug. 13, 2007
Chiaki Miyajima, Matsumoto, JP;
Masahide Matsuyama, Nagano-ken, JP;
Yuichi Seki, Matsumoto, JP;
Satoshi Shinada, Shiojiri, JP;
Hisashi Koike, Suwa, JP;
Chiaki Miyajima, Matsumoto, JP;
Masahide Matsuyama, Nagano-ken, JP;
Yuichi Seki, Matsumoto, JP;
Satoshi Shinada, Shiojiri, JP;
Hisashi Koike, Suwa, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A method of manufacturing a liquid container, the liquid container including a liquid containing chamber in which a liquid can be contained, an air communicating passage allowing the liquid containing chamber to communicate with the air, a liquid supply port for supplying the liquid contained in the liquid container to an outside, a liquid flow passage allowing the liquid container and the liquid supply port to communicate with each other, a valve accommodating chamber disposed in the liquid flow passage, a differential pressure valve which is disposed in the valve accommodating chamber, which is normally urged to a closed state, and which is changed from the closed state to an opened state when a differential pressure of a side of the liquid supply port and a side of the liquid containing chamber is equal to or more than a predetermined value, and a film member forming a part of the valve accommodating chamber, the method includes: pressing a valve body of the differential pressure valve in a direction in which the differential pressure valve is opened; and injecting the liquid from the liquid supply port to the liquid containing chamber via the liquid flow passage while maintaining the opened state of the differential pressure valve.