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    LIQUID JET HEAD AND LIQUID JET APPARATUS
    1.
    发明申请
    LIQUID JET HEAD AND LIQUID JET APPARATUS 有权
    液体喷射头和液体喷射装置

    公开(公告)号：US20130083143A1

    公开(公告)日：2013-04-04

    申请号：US13625927

    申请日：2012-09-25

    Applicant: Akifumi SAKATA ,  Yoshinori DOMAE

    Inventor： Akifumi SAKATA ,  Yoshinori DOMAE

    IPC: B41J2/18

    CPC classification number: B41J2/18 ,  B41J2/14209 ,  B41J2/17563 ,  B41J2002/14419 ,  B41J2202/07 ,  B41J2202/11 ,  B41J2202/12

    Abstract: A head chip (2) includes an actuator substrate (3) having channels (5) for liquid ejection formed therein, and a cover plate (4) having a liquid supply chamber (6) for supplying liquid to the channels formed therein, the cover plate being stacked on the actuator substrate. The flow path member (7) is provided to the cover plate and supplies the liquid to the liquid supply chamber. The flow path member includes an inflow port (8) through which the liquid flows in, an outflow port (9) through which the liquid flows out, and a circulation path (10) along which the liquid is circulated from the inflow port to the outflow port. No filter is interposed in any of a flow path between the inflow port and the channels and a flow path between the outflow port and the channels.

    Abstract translation: 头芯片（2）包括具有用于液体喷射的通道（5）的致动器基板（3）和具有用于向形成在其中的通道供应液体的液体供应室（6）的盖板（4），盖板 板被堆叠在致动器基板上。 流路构件（7）设置在盖板上，并将液体供给到液体供给室。 流路构件包括液体流入的流入口（8），液体流出的流出口（9），以及液体从流入口向其流通的循环路径（10） 流出口 在流入口和通道之间的任何流动路径中以及流出口和通道之间的流动路径中都不设置过滤器。

    LIQUID JETTING HEAD, METHOD OF CHARGING LIQUID FOR LIQUID JETTING HEAD, LIQUID JETTING RECORDING DEVICE, AND METHOD OF USING SAME
    2.
    发明申请
    LIQUID JETTING HEAD, METHOD OF CHARGING LIQUID FOR LIQUID JETTING HEAD, LIQUID JETTING RECORDING DEVICE, AND METHOD OF USING SAME 审中-公开
    液体喷射头，液体喷射头液体充气方法，液体喷射记录装置及其使用方法

    公开(公告)号：US20110221824A1

    公开(公告)日：2011-09-15

    申请号：US12998282

    申请日：2009-08-19

    Applicant: Akifumi Sakata ,  Tominaga Kazuyoshi ,  Watanabe Toshiaki ,  Kayama Ayako

    Inventor： Akifumi Sakata ,  Tominaga Kazuyoshi ,  Watanabe Toshiaki ,  Kayama Ayako

    IPC: B41J2/04 ,  B41J2/175

    CPC classification number: B41J2/14209 ,  B41J2/16532 ,  B41J2/175 ,  B41J2002/14362 ,  B41J2202/12

    Abstract: To improve a space factor of a liquid jet head to improve flexibility in designing a liquid jet recording apparatus, and to improve the ability to collect excess liquid to prevent contamination with excess liquid and stabilize jetting of liquid after the liquid is filled, provided is a liquid jet head including a nozzle guard (24) formed so as to cover a nozzle plate (31), the nozzle guard (24) including a top plate portion (24a), the top plate portion being disposed away from a surface of the nozzle plate (31) and having a slit (24c) formed therein so as to be opposed to a nozzle column (31c), and an airtight portion (24) for hermetically sealing space between a peripheral portion of the top plate portion (24a) and the nozzle plate (31), and in which an absorber (60) for absorbing excess ink (Y) which overflows from nozzle holes (31a) is disposed between the top plate portion (24a) of the nozzle guard (24) and the nozzle plate (31).

    Abstract translation: 为了提高液体喷射头的空间因子，以提高液体喷射记录装置的设计灵活性，并且提高收集多余液体以防止多余液体污染的能力，并且在液体被填充之后稳定喷射液体，提供了一种 液体喷射头包括形成为覆盖喷嘴板（31）的喷嘴护罩（24），喷嘴防护件（24）包括顶板部分（24a），顶板部分远离喷嘴表面 板（31）并且具有形成在其中的狭缝（24c）以与喷嘴柱（31c）相对;以及气密部分（24），用于气密地密封顶板部分（24a）的周边部分和 喷嘴板（31），其中用于吸收从喷嘴孔（31a）溢出的多余墨水（Y）的吸收器（60）设置在喷嘴保护件（24）的顶板部分（24a）和喷嘴 板（31）。

    Liquid Injection Head, Liquid Injection Recording Apparatus, and Method of Filling Liquid Injection Head With Liquid
    3.
    发明申请
    Liquid Injection Head, Liquid Injection Recording Apparatus, and Method of Filling Liquid Injection Head With Liquid 有权
    液体注射头，液体注射记录装置，以及液体注射头的填充方法

    公开(公告)号：US20110199432A1

    公开(公告)日：2011-08-18

    申请号：US12736994

    申请日：2009-05-15

    Applicant: Akifumi Sakata ,  Kazuyoshi Tominaga ,  Toshiaki Watanabe ,  Masatoshi Toda ,  Akihiro Sadaki

    Inventor： Akifumi Sakata ,  Kazuyoshi Tominaga ,  Toshiaki Watanabe ,  Masatoshi Toda ,  Akihiro Sadaki

    IPC: B41J2/135 ,  B41J2/175

    CPC classification number: B41J2/175 ,  B41J2/1433 ,  B41J2/1721

    Abstract: To enhance a space factor and ability of collecting excess liquid, there is provided a liquid injection head provided with a plurality of nozzles includes a nozzle guard that is formed so as to cover the nozzles, the nozzle guard including: a top portion having a slit opposed to the nozzles while being placed apart from a surface of the nozzles; a sealing portion that seals an area between a peripheral edge of the top portion and the nozzles; and a suction flow path in which a suction port is opened to a lower portion of the nozzles, and is communicated to an inside space of the nozzle guard, in which the inside space of the nozzle guard is rendered a negative pressure chamber by a suction portion connected to the suction flow path, and a first liquid overflowing the nozzles to the negative pressure chamber is sucked.

    Abstract translation: 为了增强空间因素和收集多余液体的能力，提供了一种设置有多个喷嘴的液体注射头，包括形成为覆盖喷嘴的喷嘴护罩，喷嘴护罩包括：具有狭缝的顶部 在与喷嘴的表面分离的同时与喷嘴相对; 密封部分，其密封所述顶部的周边边缘与所述喷嘴之间的区域; 以及吸入口向喷嘴的下部开口的吸入流路，并且与喷嘴保护装置的内部空间连通，在该内部空间中，通过吸力使喷嘴保护罩的内部空间成为负压室 连接到吸入流路的部分，并且将喷嘴溢出到负压室的第一液体被吸入。

    LIQUID JET HEAD, LIQUID JET RECORDER AND METHOD FOR FILLING LIQUID JET HEAD WITH LIQUID
    4.
    发明申请
    LIQUID JET HEAD, LIQUID JET RECORDER AND METHOD FOR FILLING LIQUID JET HEAD WITH LIQUID 有权
    液体喷射头，液体喷射记录仪和液体液体喷射头填充方法

    公开(公告)号：US20110234698A1

    公开(公告)日：2011-09-29

    申请号：US12998606

    申请日：2009-08-20

    Applicant: Akifumi Sakata ,  Kazuyoshi Tominaga ,  Ayako Kayama ,  Toshiaki Watanabe

    Inventor： Akifumi Sakata ,  Kazuyoshi Tominaga ,  Ayako Kayama ,  Toshiaki Watanabe

    IPC: B41J2/135 ,  B41J2/175

    CPC classification number: B41J2/14209 ,  B41J2/16505 ,  B41J2/16535 ,  B41J2/16585 ,  B41J2/17596 ,  B41J2/18 ,  B41J2202/12

    Abstract: A liquid jet head including: an opening and closing mechanism for, in an open state, opening a wall portion release opening (24n) to expose nozzle holes to outside and for, in a closed state, closing the wall portion release opening to form closed space between a wall portion (24) and a nozzle plate (31); a suction flow path (15) having, on one end side thereof, a suction port (15a) which is open below a nozzle column while another end side thereof being connected to a suction pump (16) for, by sucking an inside of the closed space with the suction pump, causing the closed space to become a negative pressure chamber to supply ink I from an ink tank of the ink to the nozzle holes; and an atmosphere release flow path (33) which is switchable between communication of the closed space with the outside and interruption thereof.

    Abstract translation: 一种液体喷射头，包括：打开和关闭机构，用于在打开状态下打开壁部分释放开口（24n），以将喷嘴孔暴露于外部，并且在关闭状态下封闭壁部分释放开口以形成闭合 壁部分（24）和喷嘴板（31）之间的空间; 吸入流路（15）的一端侧具有在喷嘴列的下方开口的吸入口（15a），其另一端侧与抽吸泵（16）连接，吸入口 利用抽吸泵封闭空间，使封闭空间成为负压室，以将油墨I从油墨罐供给喷嘴孔; 以及在封闭空间与外部连通和中断之间可切换的气氛释放流路（33）。

    Liquid jet head and liquid jet apparatus
    7.
    发明授权
    Liquid jet head and liquid jet apparatus 有权
    液体喷头和液体喷射装置

    公开(公告)号：US08662643B2

    公开(公告)日：2014-03-04

    申请号：US13625927

    申请日：2012-09-25

    Applicant: Akifumi Sakata ,  Yoshinori Domae

    Inventor： Akifumi Sakata ,  Yoshinori Domae

    IPC: B41J2/05 ,  B41J2/18

    CPC classification number: B41J2/18 ,  B41J2/14209 ,  B41J2/17563 ,  B41J2002/14419 ,  B41J2202/07 ,  B41J2202/11 ,  B41J2202/12

    Abstract: A head chip includes an actuator substrate having channels for liquid ejection formed therein, and a cover plate having a liquid supply chamber for supplying liquid to the channels, the cover plate being stacked on the actuator substrate. A flow path member mounted to the cover plate supplies the liquid to the liquid supply chamber. The flow path member includes an inflow port through which the liquid flows in, an outflow port through which the liquid flows out, and a circulation path along which the liquid is circulated from the inflow port to the outflow port. No filter is interposed in either the flow path between the inflow port and the channels or the flow path between the outflow port and the channels. The sectional area of the circulation path in a direction orthogonal to the circulating direction of liquid flow is larger than that of the liquid supply chamber.

    Abstract translation: 头芯片包括具有形成在其中的用于液体喷射的通道的致动器基板，以及具有用于向通道供应液体的液体供应室的盖板，盖板堆叠在致动器基板上。 安装到盖板的流路构件将液体供应到液体供应室。 流路构件包括液体流入的流入口，液体流出的流出口以及液体从流入口向流出口循环的循环路径。 在流入口和通道之间的流动路径或流出口和通道之间的流动路径中不设置过滤器。 在与液体流动的循环方向正交的方向上的循环路径的截面积大于液体供给室的截面面积。

    LIQUID JETTING HEAD, LIQUID JETTING RECORDING DEVICE, AND METHOD FOR REFILLING LIQUID JETTING HEAD WITH LIQUID
    8.
    发明申请
    LIQUID JETTING HEAD, LIQUID JETTING RECORDING DEVICE, AND METHOD FOR REFILLING LIQUID JETTING HEAD WITH LIQUID 审中-公开
    液体喷射头，液体喷射记录装置，以及用于液体注射液体喷射头的方法

    公开(公告)号：US20120133705A1

    公开(公告)日：2012-05-31

    申请号：US13138106

    申请日：2009-12-01

    Applicant: Akifumi Sakata ,  Kazuyoshi Tominaga ,  Toshiaki Watanbe ,  Ayako Kayama

    Inventor： Akifumi Sakata ,  Kazuyoshi Tominaga ,  Toshiaki Watanbe ,  Ayako Kayama

    IPC: B41J2/165

    CPC classification number: B41J2/1714 ,  B41J2/14209 ,  B41J2/1433 ,  B41J2/16505 ,  B41J2002/14362 ,  B41J2202/12

    Abstract: Provided are a liquid jet head and a liquid jet recording apparatus which are capable of improving ability to collect excess liquid to prevent contamination with excess liquid and which are capable of stabilizing jetting of liquid after the liquid is filled. A liquid jet head includes a nozzle guard (24) for covering a periphery of a nozzle column (31c), the nozzle guard having a slit (24c) formed therein which is opposed to the nozzle column (31c), and a suction flow path (15) connected to a suction pump for sucking excess ink which leaks from the nozzle column (31c), in which inside space of the nozzle guard (24) is partitioned into first space (S1) and second space (S2), and the first space (S1) and the second space (S2) communicate with each other via a communication hole group (31f) in a nozzle plate (31).

    Abstract translation: 提供一种液体喷射头和液体喷射记录装置，其能够提高收集多余液体的能力，以防止多余液体的污染，并且能够在液体被填充后能够稳定液体的喷射。 液体喷射头包括用于覆盖喷嘴列（31c）的周边的喷嘴保护罩（24），喷嘴防护件具有与喷嘴列（31c）相对的形成在其中的狭缝（24c），吸入流路 （15），其连接到抽吸泵，用于吸取从喷嘴列（31c）泄漏的多余的油墨，其中喷嘴防护件（24）的内部空间被分隔成第一空间（S1）和第二空间（S2），并且 第一空间（S1）和第二空间（S2）经由喷嘴板（31）中的连通孔组（31f）彼此连通。

    LIQUID JETTING HEAD, LIQUID JETTING RECORDING APPARATUS, AND METHOD FOR FILLING LIQUID JETTING HEAD WITH LIQUID
    9.
    发明申请
    LIQUID JETTING HEAD, LIQUID JETTING RECORDING APPARATUS, AND METHOD FOR FILLING LIQUID JETTING HEAD WITH LIQUID 审中-公开
    液体喷射头，液体喷射记录装置以及用液体填充液体喷射头的方法

    公开(公告)号：US20110285783A1

    公开(公告)日：2011-11-24

    申请号：US12998951

    申请日：2009-10-16

    Applicant: Akifumi Sakata ,  Kazuyoshi Tominaga ,  Toshiaki Watanabe ,  Ayako Kayama

    Inventor： Akifumi Sakata ,  Kazuyoshi Tominaga ,  Toshiaki Watanabe ,  Ayako Kayama

    IPC: B41J2/165

    CPC classification number: B41J2/16505 ,  B41J2/16538 ,  B41J2/16552

    Abstract: A liquid jet head including: a wall portion (24) which surrounds a jetting hole column and protrudes in the same direction as a direction of openings of jetting holes; a lid member (62) which may open and close an opening formed in the wall portion; an opening and closing mechanism (60) for forming closed space between the wall portion and a jetting body (23) and for, in an open state, exposing the jetting holes to the outside; an absorber (40) provided on a back surface of the lid member, for absorbing liquid which overflows from the jetting holes; a suction flow path (15) which has a suction port (15a) that is open to the closed space and which is connected to an outside suction device (8); and an atmosphere release portion (33) which is switchable between release of the closed space to the outside and interruption thereof.

    Abstract translation: 一种液体喷射头，包括：围绕喷射孔列并沿与喷射孔的开口方向相同的方向突出的壁部分（24） 可以打开和关闭形成在壁部中的开口的盖构件（62） 用于在所述壁部和喷射体（23）之间形成封闭空间的打开和关闭机构（60），并且在打开状态下将所述喷射孔暴露于外部; 吸收器（40），其设置在所述盖部件的后表面上，用于吸收从所述喷射孔溢出的液体; 吸入流路（15），其具有与所述封闭空间开口并且连接到外部抽吸装置（8）的吸入口（15a）; 以及在所述封闭空间向外部释放和中断之间可切换的气氛释放部（33）。

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