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. 09, 1999
Filed:
Sep. 29, 1997
Applicant:
Inventors:
Toshiaki Sasaki, Abiko, JP;
Hisashi Yamamoto, Machida, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 85 ;
Abstract
An ink filling method in which ink is filled to an ink container provided with a porous material for retaining the ink to be supplied to a head portion for ejecting the ink and a container casing for accommodating the porous material, including the steps of compressing the porous material accommodated in the container casing, and filling the ink using restoring force of the porous material when it is released from compression state