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:
Jul. 15, 2014
Filed:
Jun. 20, 2011
Hideo Izawa, Chiba, JP;
Akira Ishikawa, Chiba, JP;
Wataru Itabashi, Chiba, JP;
Miyakoshi Printing Machinery Co., Ltd., Narashino-shi, Chiba, JP;
Abstract
A pressure purging device for an inkjet recording apparatus includes a back pressure tank, a distribution tank, ink opening/closing electromagnetic valves, and recording heads, and in which the distribution tankis connected to the back pressure tankvia an ink supply path, the ink opening/closing electromagnetic valvesare attached to the distribution tankwhile being connected to the recording headsvia the distribution supply pipe, the ink opening/closing electromagnetic valvesare directly attached to the distribution tank, and there is provided an air switching three-port electromagnetic valveconnected to an upper part inside of the back pressure tankvia an air pathwhile being connected to a compressed air supply path