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:
Feb. 17, 2015
Filed:
Apr. 03, 2014
Fujifilm Corporation, Tokyo, JP;
Ryuji Tsukamoto, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An ink circulation apparatus, including: an ink tank that accumulates radical polymerization-type UV-curing ink; a supplying flow path that communicates with the ink tank and a supply port of an inkjet head; a supply pump that supplies the ink accumulated in the ink tank to the inkjet head; oxygen removing unit that removes oxygen from the ink to be supplied to the inkjet head; a discharging flow path that communicates with a discharge port of the inkjet head and the ink tank; a collecting pump that collects the ink to be discharged from the discharge port in the ink tank; and oxygen supplying unit that supplies oxygen to the ink to be collected in the ink tank.