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:
Aug. 17, 1993
Filed:
Sep. 17, 1990
Hideo Saikawa, Kawasaki, JP;
Seiichiro Karita, Yokohama, JP;
Toshio Kashino, Chigasaki, JP;
Akio Saito, Hadano, JP;
Hiroshi Nakagomi, Yamato, JP;
Teruo Arashima, Yokohama, JP;
Makiko Kimura, Sagamihara, JP;
Hiroshi Sugitani, Machida, JP;
Yoshifumi Hattori, Yamato, JP;
Masami Ikeda, Tokyo, JP;
Masaaki Izumida, Kawasaki, JP;
Shigeaki Tanaka, Kawasaki, JP;
Nobuyuki Kuwabara, Tokyo, JP;
Asao Saito, Yokohama, JP;
Kazuaki Masuda, Sagamihara, JP;
Tsuyoshi Orikasa, Kasukabe, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet head includes an ink container; a recording head having an ink ejection outlet; a supply pipe for supplying the ink from the container to the recording head; a porous material contained in the container for retaining the ink; wherein the supply pipe is pressed to the porous material to deform it, wherein a depth of the deformation is larger than a maximum length of a cross-section of the supply pipe.