INK-JET RECORDING APPARATUS - KONICA MINOLTA INC

Title:

INK-JET RECORDING APPARATUS

Document Type and Number:

WIPO Patent Application WO/2018/008397

Kind Code:

A1

Abstract:

The present invention addresses the problem of providing an ink-jet recording apparatus that is capable of effectively removing bubbles, foreign objects, and the like present inside a head, together with ink, while maintaining ink ejection stability. An ink-jet recording apparatus 200 according to the present invention is provided with such as an ink-jet head 100 having: individual connection flow channels 18 through which ink can be discharged from pressure chambers 13A; and a common flow channel 19 at which ink from the individual connection flow channels 18 merges, wherein when the ink is ejected, in a nozzle 11a through which the maximum amount of ink per unit time is ejected, the relationship of (Fn/Fi)≤10 is satisfied, Fn representing the amount of ink ejected per unit time from the nozzle 11a, and Fi representing the average flow rate of ink discharged per unit time from the individual connection flow channels 18, and the relationship of (Rc/Rt)≤10 is satisfied, Rc representing the flow channel resistance of the common flow channel 19, and Rt representing the synthetic resistance of the individual connection flow channels 18.

Inventors:

HAMANO HIKARU (JP)

Application Number:

PCT/JP2017/022781

Publication Date:

January 11, 2018

Filing Date:

June 21, 2017

Export Citation:

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Assignee:

KONICA MINOLTA INC (JP)

International Classes:

B41J2/14

Domestic Patent References:

WO2014021812A1	2014-02-06
WO2009143362A1	2009-11-26
WO2015199181A1	2015-12-30

Foreign References:

JP2008254196A	2008-10-23
JP2008200902A	2008-09-04
JP2008290292A	2008-12-04
JP5385975B2	2014-01-08
JP5590321B2	2014-09-17

Other References: