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:
Jun. 28, 2005
Filed:
Jul. 10, 2001
Shogo Kawamura, Shizuoka, JP;
Toshiaki Hirosawa, Kanagawa, JP;
Minoru Nozawa, Kanagawa, JP;
Kyota Miyazaki, Tokyo, JP;
Kenta Udagawa, Kanagawa, JP;
Shuzo Iwanaga, Kanagawa, JP;
Kazuhiko Okito, Kanagawa, JP;
Shogo Kawamura, Shizuoka, JP;
Toshiaki Hirosawa, Kanagawa, JP;
Minoru Nozawa, Kanagawa, JP;
Kyota Miyazaki, Tokyo, JP;
Kenta Udagawa, Kanagawa, JP;
Shuzo Iwanaga, Kanagawa, JP;
Kazuhiko Okito, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head cartridge includes a recording element unit having a plate member with liquid supply paths for supplying liquid to a recording element base plate for recording by discharging the liquid; a liquid supply unit portion having a communication passage for conducting liquid from a liquid supply source; and an elastic sealing member that forms a seal between one end portion of the liquid supply paths of the plate member and an end portion of the communication passage facing the one end portion of the liquid supply paths. The elastic sealing member is provided with liquid flow paths communicating with the liquid supply paths and the communication passage. The liquid supply unit portion and the recording element unit are adhesively bonded with each other at locations other than those having the elastic sealing member arranged thereon.