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:
Aug. 29, 2023
Filed:
Feb. 22, 2022
Applicant:
Screen Holdings Co., Ltd., Kyoto, JP;
Inventor:
Takeshi Matsuda, Kyoto, JP;
Assignee:
SCREEN HOLDINGS CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/18 (2006.01);
U.S. Cl.
CPC ...
B41J 2/18 (2013.01);
Abstract
The buffer tankwhose atmosphere communicates with an atmosphere in the recovery tankis provided. When an atmosphere in the supply tankand an atmosphere in the recovery tankcommunicate with each other, the difference between the positive pressure Pinside the supply tankand the negative pressure Pinside the recovery tankis cancelled. The negative pressure Poccurs in the recovery tankand the supply tank, and leakage of the ink from the nozzle N can be prevented.