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:
Sep. 24, 2013
Filed:
Sep. 27, 2010
Asayo Nishimura, Ibaraki-ken, JP;
Hiroshi Sugitani, Ibaraki-ken, JP;
Akiko Hayashi, Ibaraki-ken, JP;
Asayo Nishimura, Ibaraki-ken, JP;
Hiroshi Sugitani, Ibaraki-ken, JP;
Akiko Hayashi, Ibaraki-ken, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
A duplex printing machineincludes an inkjet headwith a piezoelectric element set for vibrations to propel out droplets of aqueous ink, an inkbottlefor supplying aqueous inkto the inkjet head, a system of ink lineshaving a lower tank, a circulation pump, a filter, and an upper tank, a degasserhaving a degassing pumpfor degassing flux of aqueous inkbeing to be supplied to the inkjet head, and a controlleroperable to control the degassing pump, the controllerbeing adapted to operate, as a print time calculated from an image data set of a print job is equal to or greater than a prescribed value, for driving the degassing pumpto degas flux of aqueous ink