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公开(公告)号：US10647127B2
公开(公告)日：2020-05-12
申请号：US16265104
申请日：2019-02-01
摘要： Peripheral portion of filters includes short-side portions and long-side portions. A first component and a second component each include a first holding section and a second holding section, the long-side portion of the filter being compressively held between the first holding sections, and the short-side portion of the filter being compressively held between the second holding sections. At least one of the first component and the second component includes a wall portion configured to isolate the long-side portion and the resin from each other. The short-side portion and the resin are in contact with each other.
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公开(公告)号：US20170021621A1
公开(公告)日：2017-01-26
申请号：US15215044
申请日：2016-07-20
发明人： Yoshihiro Hamada , Masaki Oikawa , Hiroshi Yamada , Atsushi Omura , Takuma Kodoi , Tomotsugu Kuroda , Tomoyuki Tenkawa , Monta Matsui
IPC分类号： B41J2/14
CPC分类号： B41J2/1433 , B41J2/14016 , B41J2/1404 , B41J2/14145 , B41J2/14201 , B41J2002/14419 , B41J2202/07
摘要： A liquid discharge head includes a print element substrate provided with discharge ports, through which liquid is discharged; and a support member having a liquid chamber, which is provided with a communicating opening that communicates with the discharge ports, wherein the liquid chamber has a first surface provided with the communicating opening, and a second surface facing the first surface, the second surface is provided with a buffer chamber, which is a hollow space for storing gas, and the buffer chamber has, in the second surface, an opening having a projecting portion projecting toward the inner side of the opening.
摘要翻译： 液体排出头包括设置有排出口的打印元件基板，液体通过该排出口排出; 以及具有液体室的支撑构件，其设置有与排出口连通的连通开口，其中所述液体室具有设置有所述连通开口的第一表面和面向所述第一表面的第二表面，所述第二表面是 设置有缓冲室，该缓冲室是用于储存气体的中空空间，缓冲室在第二表面中具有一个开口，该开口具有向开口内侧突出的突出部分。
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公开(公告)号：US12103313B2
公开(公告)日：2024-10-01
申请号：US17890921
申请日：2022-08-18
发明人： Atsushi Omura
IPC分类号： B41J2/175
CPC分类号： B41J2/17513 , B41J2/17523
摘要： Bubble clogging at the time of attaching a liquid storage unit to an ink tank is suppressed. The ink tank comprises a joint pin that is inserted into a joint hole comprised by the liquid storage unit, a reservoir portion that internally reserves ink supplied via the joint hole and the joint pin, and a movable portion capable of moving inside the reservoir portion. As a protruding portion comprised by the liquid storage unit is inserted into a concave portion formed in the movable portion while being in contact therewith, the movable portion moves from a first position to a second position higher than the first position.
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公开(公告)号：US09004630B2
公开(公告)日：2015-04-14
申请号：US13893561
申请日：2013-05-14
发明人： Toshikazu Nagatsuka , Shuichi Murakami , Keiji Tomizawa , Atsushi Omura , Etsuko Sawada , Hiroaki Mihara , Yohei Hamade
CPC分类号： B41J2/04541 , B41J2/0458 , B41J2/16526 , B41J2002/16573
摘要： There is provided an inkjet printing apparatus which can perform stable ejection also in successive printing at high speed even in a case of performing printing in use of a print head provided with an ejection opening surface having hydrophilic properties. The inkjet printing apparatus comprises an inkjet print head wherein the control unit controls the print head such that, in a case where the ejection number of the ink ejected from the print head after removing the ink on the ejection opening surface by the ink removal unit is equal to or more than a threshold, a drive energy amount that is supplied for the preliminary ejection operation is larger than a drive energy amount that is supplied for the preliminary ejection operation in a case where the ejection number is less than the threshold.
摘要翻译： 提供了一种喷墨打印设备，即使在使用具有亲水性的喷射开口表面的打印头进行打印的情况下，也能够以高速连续打印执行稳定的喷射。 喷墨打印装置包括喷墨打印头，其中控制单元控制打印头，使得在通过除墨单元去除喷射口表面上的墨后从打印头喷射的墨的喷射次数为 等于或大于阈值时，对于预喷射操作而提供的驱动能量大于在喷射数小于阈值的情况下为预喷射操作提供的驱动能量。
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公开(公告)号：US09630409B2
公开(公告)日：2017-04-25
申请号：US15215044
申请日：2016-07-20
发明人： Yoshihiro Hamada , Masaki Oikawa , Hiroshi Yamada , Atsushi Omura , Takuma Kodoi , Tomotsugu Kuroda , Tomoyuki Tenkawa , Monta Matsui
IPC分类号： B41J2/14
CPC分类号： B41J2/1433 , B41J2/14016 , B41J2/1404 , B41J2/14145 , B41J2/14201 , B41J2002/14419 , B41J2202/07
摘要： A liquid discharge head includes a print element substrate provided with discharge ports, through which liquid is discharged; and a support member having a liquid chamber, which is provided with a communicating opening that communicates with the discharge ports, wherein the liquid chamber has a first surface provided with the communicating opening, and a second surface facing the first surface, the second surface is provided with a buffer chamber, which is a hollow space for storing gas, and the buffer chamber has, in the second surface, an opening having a projecting portion projecting toward the inner side of the opening.
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公开(公告)号：US20170021620A1
公开(公告)日：2017-01-26
申请号：US15202993
申请日：2016-07-06
CPC分类号： B41J2/1433 , B41J2/14145 , B41J2/17513 , B41J2/17523 , B41J2/17553 , B41J2/21 , B41J2202/11
摘要： Provided is a liquid ejection head, including: an ejection unit including: a recording element substrate including a plurality of recording elements configured to generate energy; and a support member formed of a plate-like member and configured to support the recording element substrate, the support member including: a liquid chamber configured to store liquid therein, and an inlet formed in the liquid chamber so as to allow the liquid to flow into the liquid chamber; a flow path unit including a liquid path through which the liquid is supplied into the ejection unit from a liquid tank storing the liquid therein; a joint member sandwiched between the support member and the flow path unit and configured to seal the liquid; and a buffer chamber formed in a space defined by the joint member, the ejection unit, and the flow path unit and configured to retain gas therein.
摘要翻译： 提供一种液体喷射头，包括：喷射单元，包括：记录元件基板，包括被配置为产生能量的多个记录元件; 以及支撑部件，其由板状部件形成并构造成支撑所述记录元件基板，所述支撑部件包括：液体室，其构造成在其中储存液体;以及入口，形成在所述液体室中，以允许所述液体流动 进入液体室; 流路单元，包括液体通道，液体通过该液体通道从其中存储液体的液体罐供应到喷射单元中; 夹在所述支撑构件和所述流路单元之间并且被构造成密封所述液体的接合构件; 以及缓冲室，形成在由接头构件，喷射单元和流路单元限定的空间中，并且被构造成在其中保持气体。
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公开(公告)号：US09193160B1
公开(公告)日：2015-11-24
申请号：US14716230
申请日：2015-05-19
CPC分类号： B41J2/1404 , B41J2/14112 , B41J2/14145 , B41J2002/14403
摘要： The invention provides a liquid ejection head equipped with an energy generating element generating energy utilized for ejecting a liquid, a liquid supply port provided at a surface on which the energy generating element is provided for supplying the liquid to the energy generating element, a liquid flow path for supplying the liquid to the energy generating element from the liquid supply port and a rib extending from the liquid supply port toward an inlet of the liquid flow path, wherein an end portion of the rib on the side of the liquid flow path is provided at a position deviated from a center line of the liquid flow path.
摘要翻译： 本发明提供了一种液体喷射头，其配备有产生用于喷射液体的能量的能量产生元件，设置在该表面上的液体供应口，在该表面上设置有用于将液体供应到能量产生元件的能量产生元件，液体流 从液体供给口将液体供给到能量产生元件的路径，以及从液体供给口朝向液体流路的入口延伸的肋，其中，设置在液体流路侧的肋的端部 在离开液体流路的中心线的位置处。
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公开(公告)号：US20130328968A1
公开(公告)日：2013-12-12
申请号：US13896486
申请日：2013-05-17
发明人： Yoshihiro Hamada , Masaki Oikawa , Atsushi Omura
IPC分类号： B41J2/14
CPC分类号： B41J2/14 , B41J2/1404 , B41J2/1433 , B41J2002/14475
摘要： A liquid ejection head includes ejection ports for ejecting liquid, recesses respectively accommodating the ejection ports in the insides thereof, ejection sections operating as passages directed to the respective ejection ports, and liquid channels for supplying the respective ejection sections with liquid. The ejection sections and the liquid channels are arranged in rows extending in respective directions that intersect each other, and the connection sections respectively connecting the ejection sections and the corresponding liquid channels represent an elliptic contour having a major axis and a minor axis as viewed from the corresponding one of the ejection ports, while the recesses also represent an elliptic contour having a major axis and a minor axis.
摘要翻译： 液体喷射头包括用于喷射液体的喷射口，分别容纳其内部的喷射口的凹部，作为朝向各个喷射口的通道操作的喷射部分和用于向各个喷射部分供应液体的液体通道。 喷射部分和液体通道以相互相交的相应方向延伸的排布置，并且分别连接喷射部分和相应的液体通道的连接部分表示具有长轴和短轴的椭圆轮廓， 对应的一个排出口，而凹部也表示具有长轴和短轴的椭圆轮廓。
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公开(公告)号：US20130307889A1
公开(公告)日：2013-11-21
申请号：US13893561
申请日：2013-05-14
发明人： Toshikazu Nagatsuka , Shuichi Murakami , Keiji Tomizawa , Atsushi Omura , Etsuko Sawada , Hiroaki Mihara , Yohei Hamade
IPC分类号： B41J2/045
CPC分类号： B41J2/04541 , B41J2/0458 , B41J2/16526 , B41J2002/16573
摘要： There is provided an inkjet printing apparatus which can perform stable ejection also in successive printing at high speed even in a case of performing printing in use of a print head provided with an ejection opening surface having hydrophilic properties. The inkjet printing apparatus comprises an inkjet print head wherein the control unit controls the print head such that, in a case where the ejection number of the ink ejected from the print head after removing the ink on the ejection opening surface by the ink removal unit is equal to or more than a threshold, a drive energy amount that is supplied for the preliminary ejection operation is larger than a drive energy amount that is supplied for the preliminary ejection operation in a case where the ejection number is less than the threshold.
摘要翻译： 提供了一种喷墨打印设备，即使在使用具有亲水性的喷射开口表面的打印头进行打印的情况下，也能够以高速连续打印执行稳定的喷射。 喷墨打印装置包括喷墨打印头，其中控制单元控制打印头，使得在通过除墨单元去除喷射口表面上的墨后从打印头喷射的墨的喷射次数为 等于或大于阈值时，对于预喷射操作而提供的驱动能量大于在喷射数小于阈值的情况下为预喷射操作提供的驱动能量。
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公开(公告)号：US20210387454A1
公开(公告)日：2021-12-16
申请号：US17339590
申请日：2021-06-04
发明人： Atsushi Omura , Yuji Tamaru , Yosuke Takagi , Ryo Sato
摘要： A printing element is used, which includes a substrate, an intermediate layer, and a channel forming member layered in this order. The substrate has a common liquid chamber. The channel forming member has a second surface that is a surface facing the substrate via the intermediate layer, and a first surface that is an opposite surface to the second surface. The first surface is formed with a plurality of ejection ports that eject liquid from the common liquid chamber. The second surface is formed with a plurality of channels that make each of the plurality of ejection ports and the common liquid chamber communicate with each other, and a plurality of substantially parallel beam structures, the plurality of beam structures forming a slit portion therebetween.
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