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公开(公告)号：US07887159B2
公开(公告)日：2011-02-15
申请号：US12126720
申请日：2008-05-23
申请人： Yasunori Takei , Shuichi Murakami , Kenji Yabe
发明人： Yasunori Takei , Shuichi Murakami , Kenji Yabe
IPC分类号： B41J2/14
CPC分类号： B41J2/1433 , B41J2002/14169 , B41J2002/14387 , B41J2002/14475 , B41J2202/11
摘要： The present invention provides a liquid ejecting head which inhibits the possible generation of satellites and possible inappropriate ejection during liquid ejection, enabling printing with improved image quality and reliability. Thus, ejection openings in the liquid ejecting head each selectively have projections or a circular shape depending on the characteristics of a liquid to be ejected.
摘要翻译： 本发明提供了一种液体喷射头，其抑制可能产生卫星和在液体喷射期间可能的不适当喷射，使得能够以改进的图像质量和可靠性进行打印。 因此，液体喷射头中的喷射口根据要喷射的液体的特性而选择性地具有突起或圆形。
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公开(公告)号：US20090002447A1
公开(公告)日：2009-01-01
申请号：US12126720
申请日：2008-05-23
申请人： Yasunori Takei , Shuichi Murakami , Kenji Yabe
发明人： Yasunori Takei , Shuichi Murakami , Kenji Yabe
IPC分类号： B41J2/14
CPC分类号： B41J2/1433 , B41J2002/14169 , B41J2002/14387 , B41J2002/14475 , B41J2202/11
摘要： The present invention provides a liquid ejecting head which inhibits the possible generation of satellites and possible inappropriate ejection during liquid ejection, enabling printing with improved image quality and reliability. Thus, ejection openings in the liquid ejecting head each selectively have projections or a circular shape depending on the characteristics of a liquid to be ejected.
摘要翻译： 本发明提供了一种液体喷射头，其抑制可能产生卫星和在液体喷射期间可能的不适当喷射，使得能够以改进的图像质量和可靠性进行打印。 因此，液体喷射头中的喷射口根据要喷射的液体的特性而选择性地具有突起或圆形。
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公开(公告)号：US08157353B2
公开(公告)日：2012-04-17
申请号：US12354417
申请日：2009-01-15
申请人： Shigeki Fukui , Ken Ikegame , Shuichi Murakami , Yasushi Iijima , Yasunori Takei
发明人： Shigeki Fukui , Ken Ikegame , Shuichi Murakami , Yasushi Iijima , Yasunori Takei
IPC分类号： B41J2/14
CPC分类号： B41J2/1603 , B41J2/1433 , B41J2/1626 , B41J2002/14387
摘要： A liquid ejection recording head includes a recording element substrate including a plurality of energy generating elements for generating energy for ejecting liquid, and a flow passage-forming member, connected to the recording element substrate, comprising a plurality of ejection outlets corresponding to the plurality of energy generating elements and plurality of flow passages communicating with the ejection outlets. The flow passage-forming member includes a hole array having holes arranged so as to surround the flow passages and a communication passage, for establishing communication between adjacent holes, at a position close to the recording element substrate.
摘要翻译： 液体喷射记录头包括：记录元件基板，包括用于产生用于喷射液体的能量的多个能量产生元件;连接到记录元件基板的流路形成部件，包括与多个喷射口对应的多个喷射出口 能量产生元件和与喷射出口连通的多个流动通道。 流路形成构件包括具有布置成围绕流动通道的孔的孔阵列和用于在靠近记录元件基板的位置处在相邻孔之间建立连通的连通通道。
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公开(公告)号：US20090185001A1
公开(公告)日：2009-07-23
申请号：US12354417
申请日：2009-01-15
申请人： Shigeki Fukui , Ken Ikegame , Shuichi Murakami , Yasushi Iijima , Yasunori Takei
发明人： Shigeki Fukui , Ken Ikegame , Shuichi Murakami , Yasushi Iijima , Yasunori Takei
IPC分类号： B41J2/14
CPC分类号： B41J2/1603 , B41J2/1433 , B41J2/1626 , B41J2002/14387
摘要： A liquid ejection recording head includes a recording element substrate including a plurality of energy generating elements for generating energy for ejecting liquid, and includes a flow passage-forming member, connected to the recording element substrate, comprising a plurality of ejection outlets corresponding to the plurality of energy generating elements and comprising a plurality of flow passages communicating with the ejection outlets. The flow passage-forming member includes a hole array consisting of holes arranged so as to surround the flow passages and includes a communication passage, for establishing communication between adjacent holes, at a position close to the recording element substrate.
摘要翻译： 液体喷射记录头包括记录元件基板，该记录元件基板包括用于产生用于喷射液体的能量的多个能量产生元件，并且包括连接到记录元件基板的流路形成元件，包括与多个 的能量产生元件，并且包括与喷射出口连通的多个流动通道。 流路形成构件包括孔阵列，该孔列由围绕流路布置的孔构成，并且包括连通通道，用于在靠近记录元件基板的位置处建立相邻孔之间的连通。
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5.发明授权公开(公告)号：US08382248B2
公开(公告)日：2013-02-26
申请号：US13213439
申请日：2011-08-19
申请人： Shuichi Murakami , Yasunori Takei
发明人： Shuichi Murakami , Yasunori Takei
CPC分类号： B41J2/1404 , B41J2/1433 , B41J2002/14387 , B41J2002/14475
摘要： A liquid discharge head is arranged in a manner that in the cross-section of a discharge port perpendicular to a liquid discharge direction, the discharge port includes at least one projection that is convex inside the discharge port; a first area, for holding a liquid surface connecting a pillar-shaped liquid that is elongated outside the discharge port; and second areas where a fluid resistance is lower than that in the first area so as to pull the liquid in the discharge port in a direction opposite to the liquid discharge direction. The first area is formed in the direction in which the projection is convex, and the second areas are formed on both sides of the projection.
摘要翻译： 排液头以与液体排出方向垂直的排出口的横截面形式配置，排出口具有在排出口内凸起的至少一个凸部， 第一区域，用于保持连接在排出口外部延伸的柱状液体的液面; 以及第二区域，其流体阻力比第一区域低，以便沿与液体排出方向相反的方向拉动排出口中的液体。 第一区域形成在凸起凸起的方向上，并且第二区域形成在突起的两侧。
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公开(公告)号：US08025362B2
公开(公告)日：2011-09-27
申请号：US13046215
申请日：2011-03-11
申请人： Shuichi Murakami , Yasunori Takei
发明人： Shuichi Murakami , Yasunori Takei
CPC分类号： B41J2/1404 , B41J2/1433 , B41J2002/14387 , B41J2002/14475
摘要： A liquid discharge head is arranged in a manner that in the cross-section of a discharge port in a liquid discharge direction, the discharge port includes at least one projection that is convex inside the discharge port; a first area, for holding a liquid surface connecting a pillar-shaped liquid that is elongated outside the discharge port; and second areas where a fluid resistance is lower than that in the first area so as to pull the liquid in the discharge port in a direction opposite to the liquid discharge direction. The first area is formed in the direction in which the projection is convex, and the second areas are formed on both sides of the projection.
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公开(公告)号：US07967413B2
公开(公告)日：2011-06-28
申请号：US12126715
申请日：2008-05-23
IPC分类号： B41J2/14
CPC分类号： B41J2/1404 , B41J2002/14475 , B41J2202/11
摘要： A liquid ejection method is provided which ejects small-volume droplets from ejection openings and causes them to reliably combine together on the fly into a large droplet that is less susceptible to influences of air flows, thus realizing a printing with reduced droplet landing position deviations. To that end, each of the ejection openings is constructed of two openings spaced apart and a slit-like constricted connection portion that connects the two openings together.
摘要翻译： 提供了一种液体喷射方法，其从喷射口喷出小体积的液滴，并使它们在飞行中可靠地组合在一起不易受空气流动影响的大液滴，因此实现了具有降低的液滴着落位置偏差的打印。 为此，每个喷射口由两个间隔开的开口构成，并且将两个开口连接在一起的狭缝状收缩连接部分构成。
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8.发明授权公开(公告)号：US07506962B2
公开(公告)日：2009-03-24
申请号：US11683154
申请日：2007-03-07
申请人： Shuichi Murakami , Yasunori Takei
发明人： Shuichi Murakami , Yasunori Takei
CPC分类号： B41J2/1404 , B41J2/1433 , B41J2002/14387 , B41J2002/14475
摘要： A liquid discharge head is arranged in a manner that in the cross-section of a discharge port in a liquid discharge direction, the discharge port includes at least one projection that is convex inside the discharge port; a first area, for holding a liquid surface connecting a pillar-shaped liquid that is elongated outside the discharge port; and second areas where a fluid resistance is lower than that in the first area so as to pull the liquid in the discharge port in a direction opposite to the liquid discharge direction. The first area is formed in the direction in which the projection is convex, and the second areas are formed on both sides of the projection.
摘要翻译： 排液头以排液口的排液方向的截面形式配置，排出口包括在排出口内凸出的至少一个突起; 第一区域，用于保持连接在排出口外部延伸的柱状液体的液面; 以及第二区域，其流体阻力比第一区域低，以便沿与液体排出方向相反的方向拉动排出口中的液体。 第一区域形成在凸起凸起的方向上，并且第二区域形成在突起的两侧。
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公开(公告)号：US08096644B2
公开(公告)日：2012-01-17
申请号：US12051762
申请日：2008-03-19
CPC分类号： B41J2/1404 , B41J2/14112 , B41J2002/14169 , B41J2002/14185 , B41J2002/14387 , B41J2202/11
摘要： A print head, which ejects ink by using a method whereby a bubble generated by a heat generating element communicates with the air, and for which the occurrence of cavitation is deterred and the durability is improved, is provided. According to the print head, a bubble grows until the maximum volume is attained, and then, at a volume reduction step, communicates with the air. As a result, a liquid in a bubble generation chamber is ejected. An ejection port and the heat generating element are arranged so that the center of the ejection port is shifted away from the center of the heat generating element in a direction leading from an ink supply port to the ejection port.
摘要翻译： 一种打印头，其通过使用由发热元件产生的气泡与空气连通并且阻止空化的发生并提高耐久性的方法喷射墨水。 根据打印头，气泡生长直到达到最大体积，然后在体积减小步骤与空气相通。 结果，气泡产生室中的液体被喷出。 排出口和发热元件布置成使得喷射口的中心沿着从供墨口朝向喷射口的方向偏离发热元件的中心。
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公开(公告)号：US20110164094A1
公开(公告)日：2011-07-07
申请号：US13046215
申请日：2011-03-11
申请人： Shuichi Murakami , Yasunori Takei
发明人： Shuichi Murakami , Yasunori Takei
IPC分类号： B41J2/045
CPC分类号： B41J2/1404 , B41J2/1433 , B41J2002/14387 , B41J2002/14475
摘要： A liquid discharge head is arranged in a manner that in the cross section of a discharge port in a liquid discharge direction, the discharge port includes: at least one projection that is convex inside the discharge port; a first area, for holding a liquid surface connecting a pillar-shaped liquid that is elongated outside the discharge port; and second areas where a fluid resistance is lower than that in the first area so as to pull the liquid in the discharge port in a direction opposite to the liquid discharge direction; and the first area is formed in the direction in which the projection is convex, and the second areas are formed on both sides of the projection.
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