Patent Number: 6,332,675

Title: Ink container, ink and ink jet recording apparatus using ink container

Abstract: A liquid container for a liquid jet recording apparatus comprises a firstchamber containing negative pressure producing material and having aliquid outlet connectable to a liquid jet head to supply liquid from thecontainer to the liquid jet head and an air vent for allowing ambient airinto the container, wherein the liquid outlet is provided in a bottomportion of the first chamber. A second chamber communicates with the firstchamber by a communication path and is substantially hermetically sealed.A wall extends upwardly from the communication path of the first chamber.An ambient air introducing path is provided for between the wall and thenegative pressure producing material extending from a point partly up thewall toward the communication path for introducing ambient air into thesecond chamber.

Inventors: Koitabashi; Noribumi (Yokohama, JP), Ikeda; Masami (Tokyo, JP), Sugama; Sadayuki (Tsukuba, JP), Asai; Naohito (Yokohama, JP), Hirabayashi; Hiromitsu (Yokohama, JP), Abe; Tsutomu (Isehara, JP), Sato; Hiroshi (Yokahama, JP), Nagoshi; Shigeyasu (Yokahama, JP), Shimizu; Eiichiro (Yokohama, JP), Higuma; Masahiko (Tohgane, JP), Akiyama; Yuji (Yokohama, JP), Sugimoto; Hitoshi (Yokohama, JP), Fujita; Miyuki (Tokyo, JP), Sato; Shinichi (Kawasaki, JP), Gotoh; Fumihiro (Kawasaki, JP), Uetsuki; Masaya (Yokohama, JP), Tajima; Hiroki (Yokohama, JP), Kashino; Toshio (Fujisawa, JP), Okazaki; Takeshi (Sagamihara, JP)

Assignee:

International Classification: B41J 2/175 (20060101); C09D 11/00 (20060101); B41J 002/175 ()

Expiration Date: 12/25/2014