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:
Sep. 14, 1999
Filed:
Nov. 13, 1997
Shuichi Yamaguchi, Nagano, JP;
Toshio Ito, Nagano, JP;
Masahide Matsuyama, Nagano, JP;
Yasuhiro Ogura, Nagano, JP;
Fuminori Doi, Nagano, JP;
Masanori Kamijo, Nagano, JP;
Hisashi Koike, Nagano, JP;
Takeo Yamaguchi, Nagano, JP;
Hideo Fujimori, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A method of manufacturing an ink cartridge for use in an ink jet recorder, comprising the step of providing an ink bag having a top end, and a bottom end below the top end, the top end being open and the bottom end having an ink feed port therein; moving the ink bag from a first position near a top edge thereof and positioning the ink bag in a vacuum chamber; depressurizing the vacuum chamber; charging a selected quantity of ink into the ink bag; sealing the open end of the ink bag at a second position below the first position; pressing the sealed portion of the ink bag to a selected thickness with press plates; sealing the bag in the pressed position at a third position below the second position; and cutting the ink bag between the second and third positions.