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:
Nov. 14, 2000
Filed:
Jun. 07, 1995
Satoshi Shinada, Suwa, JP;
Seiji Mochizuki, Suwa, JP;
Yoshinori Miyazawa, Suwa, JP;
Takao Kobayashi, Suwa, JP;
Hisashi Koike, Suwa, JP;
Yukiharu Suda, Suwa, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An ink tank cartridge for an ink-jet type recording apparatus is provided. The ink tank cartridge comprises a plural number of first chambers and a plural number of second chambers adjacent to and associated with a first chamber, each pair of first and second chambers being formed as an integral unit. The ink tank cartridge also has a partition wall disposed in the cartridge which separates each second chamber from an associated first chamber, the two chambers communicating through a communicating hole positioned near the bottom of the partition wall disposed between the associated chambers. The communicating hole extends only a portion of the width that the partition wall. Finally, a plural number of ink supply ports, each extending through a wall of a respective one of the plural number of first chambers, supply ink to the exterior of the ink cartridge from each respective porous member of the plural number of porous members.