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:
Dec. 25, 2001
Filed:
Oct. 08, 1999
Noribumi Koitabashi, Yokohama, JP;
Masami Ikeda, Tokyo, JP;
Sadayuki Sugama, Tsukuba, JP;
Naohito Asai, Yokohama, JP;
Hiromitsu Hirabayashi, Yokohama, JP;
Tsutomu Abe, Isehara, JP;
Hiroshi Sato, Yokahama, JP;
Shigeyasu Nagoshi, Yokahama, JP;
Eiichiro Shimizu, Yokohama, JP;
Masahiko Higuma, Tohgane, JP;
Yuji Akiyama, Yokohama, JP;
Hitoshi Sugimoto, Yokohama, JP;
Miyuki Fujita, Tokyo, JP;
Shinichi Sato, Kawasaki, JP;
Fumihiro Gotoh, Kawasaki, JP;
Masaya Uetsuki, Yokohama, JP;
Hiroki Tajima, Yokohama, JP;
Toshio Kashino, Fujisawa, JP;
Takeshi Okazaki, Sagamihara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid container for a liquid jet recording apparatus comprises a first chamber containing negative pressure producing material and having a liquid outlet connectable to a liquid jet head to supply liquid from the container to the liquid jet head and an air vent for allowing ambient air into the container, wherein the liquid outlet is provided in a bottom portion of the first chamber. A second chamber communicates with the first chamber 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 the negative pressure producing material extending from a point partly up the wall toward the communication path for introducing ambient air into the second chamber.