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. 16, 2021
Filed:
Sep. 16, 2019
Riso Kagaku Corporation, Tokyo, JP;
Naoto Tsujino, Ibaraki, JP;
RISO KAGAKU CORPORATION, Tokyo, JP;
Abstract
An ink circulator includes a first tank configured to supply ink to an inkjet head, a second tank configured to collect the ink from the inkjet head, an inter-tank path through which the ink is delivered from the second tank to the first tank, and an ink deliverer arranged in the inter-tank path and configured to deliver the ink from the second tank to the first tank through the inter-tank path. A third tank and the inter-tank path are connected via a connection path in which a switch arranged. Ink supply to the ink circulator is performed by driving the ink deliverer to deliver the ink from the third tank to the first tank with communication between the inter-tank path and the third tank allowed by the switch.