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:
Mar. 13, 2001
Filed:
Feb. 17, 2000
Hiroyasu Sasada, Tokyo, JP;
Mutoh Industries Ltd., Tokyo, JP;
Abstract
For the purpose of performing a high quality drafting with an ink that has a minimum contact with atmosphere and having high volatility and its ink ingredient is easy to separate, the ink jet type recording heads,and the sub tanks,are mounted at the side of the Y cursor,, and the main tanks,are disposed at the side of the printer body. In the condition of completion of drafting or the standby of drafting, the ink in the sub tanks,is recovered to the side of the main tanks,, and the ink in the recording heads,is recovered to the side of the waste solution tank,. After the ink in the sub tanks,is recovered to the side of the main tanks,, and before the ink in the main tanks,is supplied into the sub tanks,, the ink in the main tanks,is stirred. After the ink in the recording heads,is recovered to the waste solution tank,, the inside of the recording heads,is cleaned with the cleaning solution, and after the cleaning, the air is supplied into the recording heads,, and the inside of the recording heads,is dried. The atmosphere release valve,is provided on the sub tanks,, and after filling the ink in the recording heads,, the atmosphere release valve,is closed excluding the drafting and the supply and discharge of the ink to the sub tanks,so that the ink in the sub tanks,is not evaporated.