Title:
LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE DEVICE
Document Type and Number:
Japanese Patent JP2020104495
Kind Code:
A
Abstract:
To reduce an error of liquid amount to be supplied to a plurality of liquid discharge sections of a liquid discharge head.SOLUTION: A liquid discharge head includes: a first liquid discharge section which discharges liquid; a second liquid discharge section which discharges liquid; a common supply flow passage to which liquid is supplied from a liquid storage section; a first individual supply flow passage which communicates the common supply flow passage with the first liquid discharge section; a second individual supply flow passage which communicates the common supply flow passage with the second liquid discharge section; a first filter which is installed in the first individual supply flow passage; and a second filter which is installed in the second individual supply flow passage. In the first individual supply flow passage, flow passage resistance in the first filter is maximum. In the second individual supply flow passage, flow passage resistance in the second filter is maximum. The flow passage resistance in the first filter is equal to the flow passage resistance in the second filter.SELECTED DRAWING: Figure 2
Inventors:
KANEGAE TAKAKIMI
OKUBO KATSUHIRO
HAGIWARA HIROYUKI
OKUBO KATSUHIRO
HAGIWARA HIROYUKI
Application Number:
JP2018248168A
Publication Date:
July 09, 2020
Filing Date:
December 28, 2018
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
B41J2/175; B41J2/18
Domestic Patent References:
| JP2013043312A | 2013-03-04 | |||
| JP2014079895A | 2014-05-08 | |||
| JP2018108741A | 2018-07-12 | |||
| JPH04211962A | 1992-08-03 |
Foreign References:
| EP3381690A1 | 2018-10-03 | |||
| DE69120569T2 | 1997-01-09 |
Attorney, Agent or Firm:
Akira Obayashi
Seiichi Takada
Taro Takahashi
Seiichi Takada
Taro Takahashi