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:
May. 26, 1987
Filed:
Jan. 03, 1986
Applicant:
Inventors:
Yasuhiko Tanaka, Fuchu, JP;
Yoshiaki Kimura, Hachioji, JP;
Assignee:
Konishiroku Photo Industry Co., Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ; G01D / ;
U.S. Cl.
CPC ...
3461 / ; 346-11 ;
Abstract
A method for purging impurities from the ink path from a drop-on-demand ink jet type printing head prior to or subsequent to use in a normal printing operation includes the steps of heating the ink path to a temperature above the temperature used during the printing operation and purging ink through the ink path during or subsequent to the heating step.