Title:
INK JET HEAD AND INK JET RECORDING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/047533
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an ink jet head and the like having a flow path allowing circulation of ink, the ink jet head being small and capable of achieving high resolution, improving injection stability, and reducing manufacturing costs. An ink jet head 1 of the present invention is characterized by being provided with: a head chip 2 provided with a plurality of nozzles N, a plurality of pressure chambers 311 communicating with the nozzles N, a plurality of piezoelectric elements 42 provided to correspond to the plurality of pressure chambers 311, a plurality of separate circulation flow paths 102 which are diverted from an ink flow path extending from an inlet 311a of the pressure chambers 311 to an outlet Nb of the nozzles N, and which are capable of discharging ink inside the pressure chambers 311, and a common circulation path 703 with which at least two of the plurality of separate circulation flow paths 102 communicate; and a commonly supplied liquid chamber 3a provided on a top face of the head chip 2 and storing the ink to be commonly supplied from a plurality of ink supply holes 601 formed on the top face of the head chip 2 to each of the plurality of pressure chambers 311.
Inventors:
MATSUO TAKASHI (JP)
Application Number:
PCT/JP2016/076734
Publication Date:
March 23, 2017
Filing Date:
September 12, 2016
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
B41J2/14; B41J2/18
Foreign References:
| JP2015150882A | 2015-08-24 | |||
| JP2015147374A | 2015-08-20 |
Other References:
See also references of EP 3351388A4
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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