Patent Number: 6,332,481

Title: Method of filling an ink cartridge with ink and an apparatus thereof

Abstract: Ink is filled in an ink cartridge having a housing communicating with ambient air through an air communicating hole, a porous member impregnating with ink, an ink supply port, and a valve device including a valve body always urged by a spring and a valve seat abutting against the valve body, and ink is filled in the housing of the ink cartridge through the ink supply port.

Inventors: Shinada; Satoshi (Nagano, JP), Nakamura; Yuichi (Nagano, JP), Koike; Hisashi (Nagano, JP), Suda; Yukiharu (Nagano, JP)

Assignee: Seiko Epson Corporation

International Classification: B41J 2/175 (20060101); B65B 001/04 ()

Expiration Date: 12/25/2018