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公开(公告)号：EP2889141A1
公开(公告)日：2015-07-01
申请号：EP13879647.9
申请日：2013-08-09
发明人： WATANABE, Shunsuke , FUKUZAWA, Yuma , ENOMOTO, Katsumi , OKUI, Hiroaki , MIYATA, Yoshinao , OGUCHI, Satoshi , AKAHANE, Fujio
IPC分类号： B41J2/165
CPC分类号： B41J2/16535 , B41J2/055 , B41J2/14233 , B41J2/1606 , B41J2/16538 , B41J2/16552 , B41J2002/14241 , B41J2002/14362 , B41J2002/14419
摘要： Provided is a liquid ejecting apparatus capable of suppressing ink from remaining on a nozzle surface.
A liquid ejecting apparatus includes a head unit 16 capable of ejecting a liquid from a nozzle 27 provided in a nozzle surface 22a of a nozzle plate 22, an anchoring plate 17 in which the head unit 16 is anchored and that is provided with an opening region 17a that exposes the nozzle surface 22, and a wiper member 12 that wipes an anchoring plate exposed-surface 17b located on the opposite side of the head unit 16 of the anchoring plate 17 and the nozzle surface 22a. When an angle of contact between the nozzle surface 22a and the liquid is taken as θn, an angle of contact between the anchoring plate exposed-surface 17b and the liquid is taken as θs, and an angle of contact between the wiper member 12 and the liquid is taken as θw, the relationship θn > θs > θw > 90° is fulfilled.摘要翻译： 提供一种能够抑制墨水残留在喷嘴表面上的液体喷射装置。 液体喷射装置包括：头部单元16，其能够从设置在喷嘴板22的喷嘴表面22a中的喷嘴27喷射液体，锚固板17，其中头部单元16被锚定在其中，并且设置有开口区域 暴露喷嘴表面22的刮板部件12以及擦拭位于锚固板17的头部单元16的相对侧上的锚固板暴露表面17b和喷嘴表面22a的擦拭器部件12。 当喷嘴表面22a和液体之间的接触角为¸n时，锚固板暴露表面17b和液体之间的接触角取为¸s，并且刮水件12之间的接触角 液体为¸w，满足¸n>¸s>¸w> 90°的关系。
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公开(公告)号：EP3231612A1
公开(公告)日：2017-10-18
申请号：EP17168279.2
申请日：2012-11-20
CPC分类号： B41J2/1433 , B41J2/055 , B41J2/14233 , B41J2/175 , B41J2002/14241 , B41J2002/14306
摘要： A liquid ejecting head (16) comprising:
a nozzle forming member (22) defining a nozzle (27);
a pressure chamber forming substrate (29) defining a pressure chamber (31);
a pressure generator (35) corresponding to the pressure chamber;
a communication member (23) provided between the nozzle forming member and the pressure chamber forming substrate and in which are formed a nozzle communication path (36) that allows communication between the pressure chamber and the nozzle, an empty liquid chamber portion (33) forming a part of a common liquid chamber (32), and a supply-side communication path (34) that allows communication between the empty liquid chamber portion and the pressure chamber,
the communication member further including an individual communication path (42); and
a case member (26) that is bonded to the communication member and is disposed at a position outward from the pressure chamber forming substrate relative to the pressure chamber;
wherein the case member is bonded to the pressure chamber side of the communication member.摘要翻译： 一种液体喷射头（16），包括：形成喷嘴（27）的喷嘴形成构件（22）; 形成压力室（31）的压力室形成基底（29）; 压力发生器（35），对应于压力室; （23），设置在所述喷嘴形成部件与所述压力室形成基板之间，形成有使所述压力室与所述喷嘴连通的喷嘴连通路（36）;空液室部（33） （32）的一部分以及允许所述空液室部分与所述压力室之间连通的供给侧连通路径（34），所述连通构件进一步包括单独的连通路径（42）;以及连通构件， 以及壳体部件，其与所述连通部件接合，配置在比所述压力室更靠所述压力室形成基板的外侧的位置; 其中壳体构件结合到连通构件的压力室侧。
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公开(公告)号：EP3919279A1
公开(公告)日：2021-12-08
申请号：EP21177022.7
申请日：2021-06-01
发明人： OKUI, Hiroaki , WATANABE, Eiichiro , KATSUIE, Shun
IPC分类号： B41J2/155
摘要： A liquid ejecting head that has an ejection surface configured to ejecti a liquid includes a plurality of head chips that are long in a first direction. The plurality of head chips are arranged inside a virtual parallelogram including a first virtual side and a second virtual side that are in contact with at least one of the plurality of head chips and that extend in the first direction, and a third virtual side and a fourth virtual side that are in contact with at least one of the plurality of head chips and that extend in a second direction intersecting the first direction, and the ejection surface is not overlapped with an acute-angled portion of the virtual parallelogram when the ejection surface is viewed in a normal direction of the ejection surface.
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公开(公告)号：EP2889141B1
公开(公告)日：2018-02-21
申请号：EP13879647.9
申请日：2013-08-09
发明人： WATANABE, Shunsuke , FUKUZAWA, Yuma , ENOMOTO, Katsumi , OKUI, Hiroaki , MIYATA, Yoshinao , OGUCHI, Satoshi , AKAHANE, Fujio
CPC分类号： B41J2/16535 , B41J2/055 , B41J2/14233 , B41J2/1606 , B41J2/16538 , B41J2/16552 , B41J2002/14241 , B41J2002/14362 , B41J2002/14419
摘要： Provided is a liquid ejecting apparatus capable of suppressing ink from remaining on a nozzle surface. A liquid ejecting apparatus includes a head unit 16 capable of ejecting a liquid from a nozzle 27 provided in a nozzle surface 22a of a nozzle plate 22, an anchoring plate 17 in which the head unit 16 is anchored and that is provided with an opening region 17a that exposes the nozzle surface 22, and a wiper member 12 that wipes an anchoring plate exposed-surface 17b located on the opposite side of the head unit 16 of the anchoring plate 17 and the nozzle surface 22a. When an angle of contact between the nozzle surface 22a and the liquid is taken as ¸n, an angle of contact between the anchoring plate exposed-surface 17b and the liquid is taken as ¸s, and an angle of contact between the wiper member 12 and the liquid is taken as ¸w, the relationship ¸n > ¸s > ¸w > 90° is fulfilled.
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公开(公告)号：EP3822082A1
公开(公告)日：2021-05-19
申请号：EP20207718.6
申请日：2020-11-16
发明人： TAKABE, Motoki , HIRAI, Eiju , OKUI, Hiroaki
IPC分类号： B41J2/14
摘要： A liquid discharging head includes a piezoelectric body, a vibration plate provided on one side in a first direction with respect to the piezoelectric body, and a pressure chamber substrate provided on the one side with respect to the vibration plate, the pressure chamber substrate including a plurality of partition walls that partition a pressure chamber for applying a pressure to a liquid, the piezoelectric body, the vibration plate, and the pressure chamber substrate being provided side by side in the first direction, in which in two positions in a second direction intersecting with the first direction in the pressure chamber, when one position where a distance in the second direction to the partition wall located at a nearest position in the second direction is long is assumed as a first position, and the other position where the distance is short is assumed as a second position, both the piezoelectric body and the vibration plate are provided at the first position and the second position, and a thickness of the vibration plate at the second position is smaller than a thickness of the vibration plate at the first position.
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