EP 2734371 B1 20150826 - PRINT HEAD FOR AN INK JET PRINTER
Title (en)
PRINT HEAD FOR AN INK JET PRINTER
Title (de)
DRUCKKOPF FÜR EINEN TINTENSTRAHLDRUCKER
Title (fr)
TÊTE D'IMPRESSION POUR IMPRIMANTE À JET D'ENCRE
Publication
Application
Priority
- AT 10812011 A 20110722
- EP 2012063582 W 20120711
Abstract (en)
[origin: WO2013013983A1] The invention relates to a print head for an ink jet printer, wherein the print head comprises at least one ink supply channel and at least one nozzle having a nozzle channel and an inflow opening, and ink can be pressed from the ink supply channel through the inflow opening into the nozzle channel and ejected therefrom, wherein the nozzle is arranged in a stationary manner on a side wall of the ink supply channel and in the ink supply channel a ram is provided, which can be moved back and forth between a reversal point (U1) that has a minimal distance from the inflow opening of the nozzle and a reversal point (U2) that has a maximal distance from the inflow opening of the nozzle, wherein first means limit the movement of a ram end face to a movement between the reversal points (U1, U2) and second external means are provided for applying a negative pressure relative to the ambient air pressure to the ink in the ink supply channel.
IPC 8 full level
B41J 2/04 (2006.01)
CPC (source: EP US)
B41J 2/04 (2013.01 - EP US); B41J 2/045 (2013.01 - US); B41J 2/14 (2013.01 - EP US); B41J 2/175 (2013.01 - US); B41J 2002/041 (2013.01 - EP US); B41J 2202/05 (2013.01 - EP US)
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 MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2013013983 A1 20130131; CN 103826858 A 20140528; CN 103826858 B 20160817; EP 2734371 A1 20140528; EP 2734371 B1 20150826; EP 2734371 B3 20230823; ES 2553749 T3 20151211; ES 2553749 T7 20240423; JP 2014520689 A 20140825; JP 6133857 B2 20170524; PL 2734371 T3 20160429; US 2014192117 A1 20140710; US 2015360472 A1 20151217; US 2017297340 A1 20171019; US 9751313 B2 20170905; US 9994029 B2 20180612
DOCDB simple family (application)
EP 2012063582 W 20120711; CN 201280036261 A 20120711; EP 12735287 A 20120711; ES 12735287 T 20120711; JP 2014520610 A 20120711; PL 12735287 T 20120711; US 201214233933 A 20120711; US 201514837378 A 20150827; US 201715641745 A 20170705