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. 12, 2006
Filed:
Dec. 08, 2003
Yasuto Sakai, Fukui-ken, JP;
Satoshi Shinada, Nagano-ken, JP;
Taku Ishizawa, Nagano-ken, JP;
Akira Ichihashi, Nagano-ken, JP;
Yuichi Seki, Nagano-ken, JP;
Akihiko Kitazawa, Nagano-ken, JP;
Kenji Ito, Nagano-ken, JP;
Yasuto Sakai, Fukui-ken, JP;
Satoshi Shinada, Nagano-ken, JP;
Taku Ishizawa, Nagano-ken, JP;
Akira Ichihashi, Nagano-ken, JP;
Yuichi Seki, Nagano-ken, JP;
Akihiko Kitazawa, Nagano-ken, JP;
Kenji Ito, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An ink cartridge is provided with an ink accommodating section for containing ink, an ink supplying part for supplying ink contained in the ink accommodating section to an inkjet type recording apparatus by inserting an ink supplying needle provided at a lower part of the inkjet type recording apparatus, and an atmospheric valve, which seals a communicating hole in order that the ink accommodating section and the atmosphere communicate, while opening a communicating hole, which allows the ink accommodating section to communicates with the atmosphere, by moving perpendicular to a direction in which the ink cartridge is inserted into the inkjet type recording apparatus by being pushed up by a contact member.