公开(公告)号：US20080117270A1

公开(公告)日：2008-05-22

申请号：US11943947

申请日：2007-11-21

申请人： Yasunori KOIKE ,  Katsuhiro OKUBO ,  Noriaki OKAZAWA ,  Keiichi KUMAGAI ,  Takeshi FUJISHIRO

发明人： Yasunori KOIKE ,  Katsuhiro OKUBO ,  Noriaki OKAZAWA ,  Keiichi KUMAGAI ,  Takeshi FUJISHIRO

IPC分类号： B41J2/175

CPC分类号： B41J2/19 ,  B41J2/17509 ,  B41J2/17523

摘要： Provided is a liquid-jet apparatus which can suppress liquid consumption by preventing air that can turn into bubbles from entering a liquid introducing columnar body in replacement of a liquid storage member and thus reducing a frequency of execution of a cleaning operation for discharging the bubbles inside a liquid passage. An ink introducing needle 21 in a printer includes: a needle-like protrusion 23 having a tapered portion 48 whose diameter is gradually increased toward its base from its tip; and a straight portion 51 formed linearly and continuously from the tapered portion 48. In the tapered portion 48 of the needle-like protrusion 23 in the ink introducing needle 21, groove portions 54 extending to an edge portion of the tapered portion 48 are provided.

摘要翻译： 提供一种液体喷射装置，其可以通过防止可能变成气泡的空气进入液体导入柱状体来代替液体存储构件，从而降低执行用于排出气泡的清洁操作的频率来抑制液体消耗 液体通道。 打印机中的墨水引入针21包括：具有锥形部分48的针状突起23，该锥形部分48的直径从其尖端朝其底部逐渐增加; 以及从锥形部48线性地连续地形成的直线部51。 在墨水引入针21中的针状突起23的锥形部分48中，设置有延伸到锥形部分48的边缘部分的槽部分54。

公开(公告)号：US20080043059A1

公开(公告)日：2008-02-21

申请号：US11842788

申请日：2007-08-21

申请人： Noriaki OKAZAWA ,  Takeshi FUJISHIRO

发明人： Noriaki OKAZAWA ,  Takeshi FUJISHIRO

IPC分类号： B41J2/135

CPC分类号： B41J2/17523 ,  B41J2/17513

摘要： There is provided a liquid ejecting head which can introduce a liquid in a liquid storage member to a pressure chamber side via a liquid flow path from a liquid introducing needle and which can eject a liquid in the pressure chamber from a nozzle opening as a liquid drop by operation of a pressure generator. The liquid introducing needle constructed in a hollow needle shape includes an introducing needle portion in which a liquid introducing through hole for introducing a liquid in the liquid storage member is opened, and a cylindrical enlarged diameter straight portion formed at the downstream side of the introducing needle portion and whose inner diameter is enlarged than the inner diameter of the introducing needle portion. The inner space of the enlarged diameter straight portion is to be a bubble chamber which can store a bubble and the enlarged diameter straight portion includes a groove portion extending from the upstream side toward the down stream side on the inner circumference surface.

摘要翻译： 提供了一种液体喷射头，其可以通过液体引导针的液体流动路径将液体存储部件中的液体引入压力室侧，并且可以从作为液滴的喷嘴开口喷射压力室中的液体 通过压力发生器的操作。 以中空针状构成的液体引入针包括引入针部分，其中液体存储部件中引入液体的液体引入通孔被打开，并且形成在引入针的下游侧的圆柱形扩径直线部分 并且其内径比引入针部的内径增大。 扩大直径直线部分的内部空间是可以存储气泡的气泡室，并且扩大直径的直线部分包括在内周面上从上游侧向下游侧延伸的凹槽部分。

公开(公告)号：US20120299997A1

公开(公告)日：2012-11-29

申请号：US13477634

申请日：2012-05-22

申请人： Manabu MUNAKATA ,  Noriaki OKAZAWA

发明人： Manabu MUNAKATA ,  Noriaki OKAZAWA

IPC分类号： B41J2/135 ,  B41J2/015

CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1632

摘要： A liquid ejecting head includes a flow path formation substrate on which individual flow paths communicating with nozzle openings for ejecting liquid are provided, a first member which is provided at one surface side of the flow path formation substrate and has pressure generation units for generating pressure change in liquid in the individual flow paths, and a second member which is provided at a surface side of the flow path formation substrate, which is opposite to the first member. Dummy flow paths are provided on the flow path formation substrate independently of the individual flow paths. Exposure portions which expose a part of wall surfaces of the flow path formation substrate which form the dummy flow paths, are provided at least one of the first member and the second member.

摘要翻译： 液体喷射头包括：流路形成基板，其上设置有与用于喷射液体的喷嘴开口连通的各个流路;第一部件，设置在流路形成基板的一个表面侧，并具有用于产生压力变化的压力产生单元 以及设置在与第一部件相反的流路形成基板的表面侧的第二部件。 独立于各个流动路径，在流路形成衬底上提供虚拟流动路径。 设置有形成虚拟流路的流路形成基板的一部分壁面的曝光部，设置在第一部件和第二部件中的至少一个上。

公开(公告)号：US20100123757A1

公开(公告)日：2010-05-20

申请号：US12620658

申请日：2009-11-18

申请人： Noriaki OKAZAWA

发明人： Noriaki OKAZAWA

IPC分类号： B41J2/04

CPC分类号： B41J2/14274

摘要： A liquid ejecting head includes pressure generation elements that apply pressure change to liquid retained in corresponding pressure generation chambers to discharge the liquid from corresponding nozzle openings. Each of the pressure generation elements is fixed to a fixation plate. Nozzle lines include nozzle openings arrayed in a line. An electrical signal is sent through a flexible substrate from the outside to the pressure generation chambers. Pressure generation elements associated with the pressure generation chambers are fixed to the fixation plate, with the fixation plate being positioned between the pressure generation elements of each of two parallel nozzle lines. A wiring portion is formed at one end part of the fixation plate opposite to the other end that is closer to the pressure generation chambers. The flexible substrate is connected to the wiring portion.

摘要翻译： 液体喷射头包括压力产生元件，其对保持在相应的压力产生室中的液体施加压力变化，以将液体从相应的喷嘴开口排出。 每个压力产生元件固定在固定板上。 喷嘴线包括排列成一行的喷嘴开口。 电信号通过柔性基板从外部发送到压力产生室。 与压力产生室相关联的压力产生元件固定到固定板上，固定板位于两个平行喷嘴管线中的每一个的压力产生元件之间。 布线部形成在固定板的与靠近压力产生室的另一端相对的一端部。 柔性基板连接到布线部分。

公开(公告)号：US20080235947A1

公开(公告)日：2008-10-02

申请号：US12117591

申请日：2008-05-08

申请人： Hirokazu SHIBUYA ,  Yasunori KOIKE ,  Noriaki OKAZAWA ,  Katsuhiro OKUBO ,  Gaku KO ,  Tatsuo AKATSU ,  Takateru YAMASHITA

发明人： Hirokazu SHIBUYA ,  Yasunori KOIKE ,  Noriaki OKAZAWA ,  Katsuhiro OKUBO ,  Gaku KO ,  Tatsuo AKATSU ,  Takateru YAMASHITA

IPC分类号： B23P17/00

CPC分类号： B41J2/1433 ,  B41J2002/14362 ,  Y10T29/49401

摘要： A conductive nozzle plate is formed with a nozzle orifice. An insulative layer is formed on a first face of the nozzle plate. A head body includes a pressure chamber adapted to contain liquid therein and a pressure generating element operable to cause pressure fluctuation in the liquid. The head body is attached to a second face of the nozzle plate so as to communicate the pressure chamber with the nozzle orifice. The second face of the nozzle plate and the head body are fixed to a head case. A conductive head cover covers a part of the first face of the nozzle plate while exposing the nozzle orifice. A part of the nozzle plate and the head cover directly come into contact with each other.

摘要翻译： 导电喷嘴板形成有喷嘴孔。 在喷嘴板的第一面上形成绝缘层。 头体包括适于容纳液体的压力室和可操作以引起液体中的压力波动的压力产生元件。 头体附接到喷嘴板的第二面，以便将压力室与喷嘴孔连通。 喷嘴板和头部主体的第二面固定在头部外壳上。 导电头盖在喷嘴孔暴露的同时覆盖喷嘴板的第一面的一部分。 喷嘴板和头罩的一部分直接相互接触。

公开(公告)号：US20080174640A1

公开(公告)日：2008-07-24

申请号：US12017994

申请日：2008-01-22

申请人： Noriaki OKAZAWA

发明人： Noriaki OKAZAWA

IPC分类号： B41J2/045

CPC分类号： B41J2/1612 ,  B41J2/1623 ,  B41J2/1626 ,  B41J2/1635

摘要： A liquid ejection head includes a channel unit with a channel substrate provided with a channel section having pressure chamber cavity rows formed by arranging a plurality of pressure chamber cavities in rows. The liquid ejection head also includes a nozzle substrate provided with a plurality of nozzle orifices formed so as to correspond to the pressure chambers. A sealing plate of the liquid ejection head seals an opening of the channel section of the channel substrate, in which the nozzle substrate is joined, with one surface of the channel substrate. The sealing plate is joined with the opposite surface of the channel substrate so that the channel unit has a series of liquid channels from a common liquid chamber to the nozzle orifices. The liquid ejection head has a head case to which the channel unit is fixed.

摘要翻译： 液体喷射头包括具有通道基板的通道单元，通道基板设置有通道部分，该通道部分具有​​通过排列多个压力室空腔而形成的压力腔腔排。 液体喷射头还包括设置有多个喷嘴孔口的喷嘴基板，其形成为对应于压力室。 液体喷射头的密封板将通道基底的与喷嘴基底接合的通道部分的开口密封在通道基底的一个表面上。 密封板与通道基板的相对表面接合，使得通道单元具有从公共液体室到喷嘴孔的一系列液体通道。 液体喷射头具有固定有通道单元的头部外壳。

公开(公告)号：US20110221822A1

公开(公告)日：2011-09-15

申请号：US13010198

申请日：2011-01-20

申请人： Hiroyuki HAGIWARA ,  Noriaki OKAZAWA ,  Sumio ARAI ,  Yohei NODA

发明人： Hiroyuki HAGIWARA ,  Noriaki OKAZAWA ,  Sumio ARAI ,  Yohei NODA

IPC分类号： B41J2/135

CPC分类号： B41J2/15 ,  B41J2/14233 ,  B41J2/155 ,  B41J2202/19 ,  B41J2202/20

摘要： A liquid ejection head and a liquid ejection apparatus improved in printing quality by reducing the occurrence of chipping at an opening edge of a positioning hole by a positioning pin are provided. The liquid ejection head includes a head body having a nozzle opening that discharges ink, a base plate provided with the positioning pin, and a positioning plate formed of a silicon substrate and provided with the positioning hole, and the head body is arranged at a predetermined position on the base plate by inserting the positioning pin through the positioning hole, and the opening edge of the positioning hole on the side from which the positioning pin is inserted is chamfered.

摘要翻译： 提供了一种液体喷射头和液体喷射装置，其通过减少定位销在定位孔的开口边缘处的碎裂的发生而提高了打印质量。 液体喷射头包括具有喷射墨水的喷嘴开口，设置有定位销的基板和由硅基板形成并具有定位孔的定位板的头体，并且头体布置成预定的 通过将定位销插入定位孔而将定位销插入基板上，并且定位销插入侧的定位孔的开口边缘被倒角。

公开(公告)号：US20100045758A1

公开(公告)日：2010-02-25

申请号：US12609233

申请日：2009-10-30

申请人： Noriaki OKAZAWA

发明人： Noriaki OKAZAWA

IPC分类号： B41J2/17

CPC分类号： B41J2/175 ,  B41J2/055 ,  B41J2/14016 ,  B41J2/14274 ,  B41J2/16526 ,  B41J2/16532 ,  B41J2/17596 ,  B41J2002/1437 ,  B41J2002/14419 ,  B41J2202/11

摘要： A liquid jet head and apparatus prevent an increase in the viscosity of liquid in the liquid path during long term storage. The recording head has a liquid path unit 1 with nozzle openings 8, pressure generation chambers 7, liquid reservoirs 9, and a diaphragm 5, and a head case 2 bonded to the liquid path unit 1. A damper chamber 12 for releasing pressure change inside the liquid reservoir is formed at a part of the head case or seal plate 5 corresponding to the liquid reservoir 9. A release path 14B for releasing pressure in the damper chamber to the air is formed in the head case. A control path 14A communicating with the damper chamber and release path and having a specific flow resistance restricting dispersion of moisture vapor from the liquid is formed in the head case and/or seal plate.

摘要翻译： 液体喷射头和装置防止在长期储存期间液体通道中液体的粘度增加。 记录头具有液体通道单元1，其具有喷嘴开口8，压力产生室7，液体储存器9和隔膜5以及粘合到液体通道单元1的头部外壳2.用于释放内部压力变化的阻尼室12 液体储存器形成在与液体储存器9对应的头部壳体或密封板5的一部分处。在头部外壳中形成有用于将阻尼室中的压力释放到空气中的释放路径14B。 在头罩和/或密封板中形成有与阻尼室和释放路径连通并且具有限制水分蒸发从液体分散的特定流动阻力的控制路径14A。

公开(公告)号：US20080204512A1

公开(公告)日：2008-08-28

申请号：US12036865

申请日：2008-02-25

申请人： Noriaki OKAZAWA ,  Fujio AKAHANE

发明人： Noriaki OKAZAWA ,  Fujio AKAHANE

IPC分类号： B41J2/135

CPC分类号： B41J2/14233 ,  B41J2002/14362 ,  B41J2002/14419 ,  B41J2202/03

摘要： A liquid ejecting head includes: a flow channel unit including a flow-channel-formed substrate that defines liquid flow channels including pressure chambers communicating with nozzle openings and a sealing plate formed with a diaphragm that varies the capacities of the pressure chambers and a liquid introduction hole, the sealing plate being joined to the flow-channel-formed substrate and defining lines of liquid flow channels including pressure chambers; and a head case including a storage chamber that accommodates a pressure generator for displacing the diaphragm and a case flow channel for supplying liquid to the liquid flow channel of the flow channel unit, the diaphragm being arranged at an opening of the storage chamber on the bottom surface side and the flow channel unit being joined to the head case in a state in which the case flow channel and the liquid flow channel are communicated with each other via the liquid introduction hole, and the sealing plate is formed of a composite plate member formed by adhering an electrically conductive supporting substrate which is joined to the head case and an insulative elastic film joined to the flow-channel-formed substrate to each other, the inner diameter of the liquid introduction hole at least on the side of the supporting substrate is set to be larger than the inner diameter of the case flow channel to form a shoulder portion between the case flow channel and the liquid introduction hole, and an insulating material is secured in the shoulder portion.

摘要翻译： 液体喷射头包括：流道单元，其包括流动通道形成的基板，其限定液体流动通道，其包括与喷嘴开口连通的压力室，以及形成有隔膜的密封板，所述隔膜改变压力室的容量和液体引入 所述密封板与所述流动通道形成的基板接合并且限定包括压力室的液体流动通道的线; 以及头箱，包括容纳用于移动所述隔膜的压力发生器的储存室和用于向所述流路单元的液体流路供给液体的壳体流路，所述隔膜布置在所述储存室的开口处的底部 所述流路单元在所述壳体流路和所述液流通道经由所述液体导入孔相互连通的状态下与所述头壳体接合，所述密封板由形成的复合板构件形成 通过将接合到头罩的导电性支撑基板和与流路形成基板接合的绝缘性弹性膜彼此粘合，至少在支撑基板侧的液体导入孔的内径为 设定为大于壳体流路的内径，以在壳体流动通道和液体引入之间形成肩部 并且绝缘材料固定在肩部。

公开(公告)号：US20120218358A1

公开(公告)日：2012-08-30

申请号：US13463736

申请日：2012-05-03

申请人： Noriaki OKAZAWA

发明人： Noriaki OKAZAWA

IPC分类号： B41J2/17

CPC分类号： B41J2/175 ,  B41J2/055 ,  B41J2/14016 ,  B41J2/14274 ,  B41J2/16526 ,  B41J2/16532 ,  B41J2/17596 ,  B41J2002/1437 ,  B41J2002/14419 ,  B41J2202/11

摘要： A liquid jet apparatus is provided. The liquid jet apparatus includes a first damper chamber and a second damper chamber, a release path operatively associated with both the first damper chamber and the second damper chamber, and a control path connecting the first damper chamber, the second damper chamber, and the release path to each other.

摘要翻译： 提供液体喷射装置。 液体喷射装置包括第一阻尼室和第二阻尼室，与第一阻尼室和第二阻尼室可操作地相关联的释放路径，以及连接第一阻尼室，第二阻尼室和释放的控制路径 相互之路