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. 22, 1998
Filed:
Aug. 24, 1995
Applicant:
Inventors:
Yasuo Kotaki, Machida, JP;
Masanori Takenouchi, Yokohama, JP;
Hideo Saikawa, Machida, JP;
Hisashi Yamamoto, Hiratsuka, JP;
Yuji Hamasaki, Sagamihara, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B46J / ;
U.S. Cl.
CPC ...
347 86 ;
Abstract
An ink container cartridge detachably mountable to an ink jet recording head, includes a main body of ink container cartridge; an ink retaining member, in the main body, for retaining the ink; wherein the ink retaining member is contained in the ink container cartridge so that a compression ratio A of the ink retaining member by a side having an ink supply opening of the ink container cartridge and a side opposite therefrom, and a compression ratio B by other two opposite sides thereof, satisfy A>B, and 1.1.ltoreq.A.ltoreq.1.6.