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:
Mar. 04, 2003
Filed:
Jan. 18, 2000
Ken Ikegame, Tokyo, JP;
Yoshiaki Suzuki, Yokohama, JP;
Toshio Kashino, Fujisawa, JP;
Shuji Koyama, Kawasaki, JP;
Masashi Miyagawa, Yokohama, JP;
Junji Tatsumi, Kawasaki, JP;
Hiroaki Mihara, Musashino, JP;
Miki Ito, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head having plural liquid paths and plural discharge openings is formed by joining an adhesion face of an orifice plate with an adhesion face of a head main body. The liquid paths are provided in the head main body, and the adhesion face of the head main body has apertures of the liquid paths. The adhesion face of the orifice plate has recessed portions and protruding portions. The protruding portions have a shape corresponding to the cross-sectional shape of the liquid paths, and the discharge openings are provided in the protruding portions. The protruding portions or parts thereof fit into the liquid paths, and are inserted into the liquid paths for joining the adhesion face of the orifice plate with the adhesion face of the head main body.