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:
Jan. 29, 2002
Filed:
Nov. 13, 1998
Applicant:
Inventors:
Toshiyuki Yano, Minami-Ashigara, JP;
Hiromi Nagai, Minami-Ashigara, JP;
Ken Hashimoto, Minami-Ashigara, JP;
Naoki Morita, Minami-Ashigara, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 3/08 ; B41J 2/165 ;
U.S. Cl.
CPC ...
B08B 3/08 ; B41J 2/165 ;
Abstract
There are provided a washing solution for an ink jet head, the washing solution restoring a print head, which has experienced problems such as clogging, to its normal condition, a method for producing the washing solution, and a washing method. The washing solution comprises 80% by weight or more of water and 1.0% by weight or less of a substance (having a viscosity of 10 mPas or more at 25° C.) and/or a solid substance and has a viscosity between 0.6 and 3.0 mPas at 25° C. and an electroconductivity of 3×10 S/m or less at 25° C.