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. 08, 2006
Filed:
Jul. 27, 2004
Kazuhiko Hara, Nagano, JP;
Minoru Usui, Nagano, JP;
Kouichi Toba, Nagano, JP;
Takao Kobayashi, Nagano, JP;
Kazuhiko Hara, Nagano, JP;
Minoru Usui, Nagano, JP;
Kouichi Toba, Nagano, JP;
Takao Kobayashi, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An ink tank cartridge for use in an ink jet recorder has a container having exterior walls, a porous member is stored in the container, an ink supply port that extends through one of the exterior walls of the body to supply ink to the exterior of the cartridge, and a packing member, disposed within the ink supply port and having an opening therethrough and a rib formed on a upper surface. A pressing member may be provided to bias the packing member against an inner surface of the ink supply port. The ink tank cartridge can be assembled to limit the occurrence of air bubbles in the tank.