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    Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unit
    3.
    发明授权
    Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unit 失效
    喷墨记录装置的供墨通道中的阀单元，使用阀单元的墨盒，供墨针和阀单元的制造方法

    公开(公告)号：US06302531B1

    公开(公告)日：2001-10-16

    申请号：US09040238

    申请日：1998-03-16

    申请人： Minoru Usui ,  Takao Kobayashi ,  Satoshi Shinada ,  Hisashi Miyazawa ,  Takahiro Naka

    发明人： Minoru Usui ,  Takao Kobayashi ,  Satoshi Shinada ,  Hisashi Miyazawa ,  Takahiro Naka

    IPC分类号： B41J2175

    CPC分类号： B41J2/17523 ,  B41J2/17596 ,  F16K7/17 ,  Y10T137/7895

    摘要： A valve unit in an ink supply channel of an ink-jet recording apparatus, the ink supply channel having an upstream side and a downstream side, the valve unit having a diaphragm valve having a thin elastic diaphragm operating in response to pressure difference between an upstream side and a downstream side of the diaphragm, a valve body formed on the surface of the thin elastic diaphragm and having an opening therein, and an elastic support portion integrally formed with the valve body for urging the valve body toward the upstream direction, a valve seat disposed in the ink supply channel upstream of the diaphragm and kept in elastic contact with the opening, and a flow-channel forming plate for forming a flow channel disposed on the downstream side of the valve seat, the flow channel, extending in a longitudinal direction of the elastic portion and the flow channel forming plate having an end portion side extending in an upstream direction to form a flow channel whose sectional area decreases in the longitudinal direction.

    摘要翻译： 一种在喷墨记录装置的供墨通道中的阀单元，所述供墨通道具有上游侧和下游侧，所述阀单元具有隔膜阀，所述隔膜阀具有响应于上游侧压力差而工作的薄弹性隔膜 隔膜的侧面和下游侧，形成在薄弹性隔膜的表面上并具有开口的阀体以及与阀体一体形成的用于将阀体朝向上游方向推压的弹性支撑部，阀 位于隔膜上游的供墨通道的座部与开口保持弹性接触;以及流道形成板，用于形成设置在阀座的下游侧的流动通道，流道在纵向延伸 弹性部分和流路形成板的方向具有沿上游方向延伸的端部侧，以形成截面积为de 沿纵向折痕。

    Ink cartridge
    8.
    发明授权
    Ink cartridge 失效
    墨盒

    公开(公告)号：US06302530B1

    公开(公告)日：2001-10-16

    申请号：US08881644

    申请日：1997-06-24

    申请人： Kazumichi Shimada ,  Hideki Oikawa ,  Hisashi Miyazawa ,  Yoshie Kumagai ,  Takao Kobayashi ,  Hisashi Koike

    发明人： Kazumichi Shimada ,  Hideki Oikawa ,  Hisashi Miyazawa ,  Yoshie Kumagai ,  Takao Kobayashi ,  Hisashi Koike

    IPC分类号： B41J2175

    CPC分类号： B41J2/17553 ,  B41J2/17513 ,  B41J2/17523

    摘要： In accordance with the invention, in order to increase the volume of an ink cartridge containing color inks, to prevent the ink cartridge from being improperly mounted on a print head, to ensure that required rigidity of an ink cartridge, and to ensure the viscosities of different inks remain uniform, in an ink cartridge body, a plurality of ink chambers are arranged in at least two linear arrays, and ink supplying ports associated with the ink chambers are also arranged in two linear arrays, whereby the size of the ink cartridge can be reduced, and easy loading of the ink cartridge can be insured. Additionally, the ink supply ports may be arranged in a zig-zag, offset manner to allow for a further reduction in the size of the ink chambers and ink cartridge. The open outer ends of the ink supply ports are formed substantially flush with the bottom walls of the ink chambers. Therefore, the volumes of each of the ink chambers is increased. Further, at least one or the like is provided on the outside of the ink cartridge, to insure the strength and rigidity of the ink cartridge. Circuitous grooves are formed in the surface of a cover member so that the grooves communicating with ink chambers having a smaller volumes are longer than grooves communicating with ink chambers having larger volumes, thus insuring uniform viscosities of all of the inks.

    摘要翻译： 根据本发明，为了增加含有彩色墨水的墨盒的体积，为了防止墨盒被错误地安装在打印头上，以确保墨盒所需的刚性，并且确保墨盒的粘度 不同的油墨保持均匀，在墨盒主体中，多个墨室布置在至少两个线性阵列中，并且与墨室相关联的供墨口也布置成两个线性阵列，由此墨盒的尺寸可以 减少，并且可以保证墨盒的容易装载。 另外，供墨口可以以锯齿形的偏移方式布置，以允许进一步减小墨室和墨盒的尺寸。 供墨口的敞开的外端形成为与油墨室的底壁基本齐平。 因此，每个墨室的体积增加。 此外，在墨盒的外侧设置至少一个等，以确保墨盒的强度和刚性。 在盖构件的表面中形成有凹槽，使得与具有较小体积的墨室连通的凹槽比与具有较大体积的墨室连通的凹槽更长，从而确保所有油墨均匀的粘度。

    Ink cartridge and loading mechanism for ink cartridge
    9.
    发明授权
    Ink cartridge and loading mechanism for ink cartridge 失效
    墨盒的墨盒和装载机构

    公开(公告)号：US06250750B1

    公开(公告)日：2001-06-26

    申请号：US08888936

    申请日：1997-07-07

    申请人： Hisashi Miyazawa ,  Takao Kobayashi ,  Hisashi Koike ,  Hitoshi Igarashi ,  Masanori Yoshida

    发明人： Hisashi Miyazawa ,  Takao Kobayashi ,  Hisashi Koike ,  Hitoshi Igarashi ,  Masanori Yoshida

    IPC分类号： B41J2175

    CPC分类号： B41J2/17513 ,  B41J2/1752 ,  B41J2/17553

    摘要： Reinforcing ridges are formed so as to project from corner portions of peripheral walls, and an opening end edge is made thick-walled, so that an ink cartridge having a sufficient rigidity can be molded using vapor impermeable soft synthetic resins. In addition, shape keeping ribs are formed so as to project from the outer sides of longitudinal ribs that are formed on an inner surface of a cover body, so that deformation of the cartridge can be suppressed during vibration welding. Further, an engaging recess arranged in a lower surface of an ink cartridge is adapted to receive a support rod of an ink cartridge loading mechanism. A carriage cover body of the loading mechanism is closed as a lifter is guided with a guide groove which is parallel to the axial center of an ink supply needle so that the ink cartridge is allowed to descend correctly toward a recording head, so that the ink cartridge can be loaded correctly without breaking the ink supply needle.

    摘要翻译： 形成隆起凸起以从周壁的角部突出，并且开口端缘被制成厚壁，从而可以使用不透气的软合成树脂来模制具有足够刚性的墨盒。 此外，形状保持肋形成为从形成在盖体的内表面上的纵向肋的外侧突出，使得在振动焊接期间可以抑制盒的变形。 此外，布置在墨盒的下表面中的接合凹槽适于容纳墨盒装载机构的支撑杆。 装载机构的托架盖主体被关闭，因为升降机被引导与导向槽平行，所述引导槽平行于供墨针的轴心，使得墨盒被允许正确地向记录头下降，使得墨水 墨盒可以正确装入，不会损坏墨水供应针。