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:
Jan. 28, 2003
Filed:
Apr. 17, 2001
Applicant:
Inventor:
Masahiko Higuma, Tohgane, JP;
Assignee:
Canon Aptex Kabushiki Kaisha, Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 ;
U.S. Cl.
CPC ...
B41J 2/175 ;
Abstract
An ink container for supplying ink out of a main body thereof through an ink supply port. The container includes an ink retaining material for retaining the ink in the main body of the container, a pressure adjusting device for adjusting a pressure in the main body, and a valve member disposed in the ink supply port. The valve includes a substantially non-elastic plug member for plugging the ink supply port and an elastic member for urging the substantially non-elastic member toward the ink supply port.