EP 4303017 A1 20240110 - DISCHARGE HEAD AND DISCHARGE APPARATUS
Title (en)
DISCHARGE HEAD AND DISCHARGE APPARATUS
Title (de)
AUSSTOSSKOPF UND AUSSTOSSVORRICHTUNG
Title (fr)
TÊTE DE DÉCHARGE ET APPAREIL DE DÉCHARGE
Publication
Application
Priority
- JP 2022107666 A 20220704
- JP 2023057974 A 20230331
Abstract (en)
A discharge head (100) includes: multiple nozzles (111) from each of which a liquid is discharged; multiple pressure chambers (121) respectively communicating with the multiple nozzles (111); multiple supply branch channels (152) each communicating with two or more of the multiple pressure chambers (121) to supply the liquid to the two or more of the pressure chambers (121); multiple collection branch channels (153) each communicating with two or more of the multiple pressure chambers (121) to collect the liquid from the two or more of the pressure chambers (121); a supply main channel (156) communicating with each of the multiple supply branch channels (152) to supply the liquid to the multiple supply branch channels (152); and a collection main channel (157) communicating with each of the multiple collection branch channels (153) to collect the liquid from the multiple collection branch channels (153).
IPC 8 full level
B41J 2/18 (2006.01); B41J 2/14 (2006.01); B41J 2/19 (2006.01)
CPC (source: EP)
B41J 2/14233 (2013.01); B41J 2/18 (2013.01); B41J 2/19 (2013.01); B41J 2002/14419 (2013.01); B41J 2002/14459 (2013.01); B41J 2202/12 (2013.01)
Citation (applicant)
- JP 2017159561 A 20170914 - RICOH CO LTD
- JP 2019209595 A 20191212 - RICOH CO LTD
Citation (search report)
- [AD] JP 2017159561 A 20170914 - RICOH CO LTD
- [A] US 2010079511 A1 20100401 - MURAKAMI ATSUSHI [JP], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DOCDB simple family (application)
EP 23177969 A 20230607