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:
May. 28, 2013
Filed:
Jul. 14, 2011
Applicants:
Akihiko Shimomura, Yokohama, JP;
Toshihiko Ujita, Yokohama, JP;
Takashi Fukushima, Yokohama, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/135 (2006.01); B41J 2/015 (2006.01); B41J 2/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink jet recording head comprises a discharge port forming member that forms a discharge port used to discharge ink and a channel forming member that forms an ink channel communicating with the discharge port, at least either one of the channel forming member and the discharge port forming member comprising a substance having fluorine atoms and a rubber member composing a part of an ink passage continuous with the channel, the rubber member being cross-linked by an organic substance.