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    • 41. 发明授权
    • Liquid supply apparatus and method, and inkjet recording apparatus
    • 液体供给装置和方法以及喷墨记录装置
    • US07543922B2
    • 2009-06-09
    • US11376272
    • 2006-03-16
    • Yasuhiko Kachi
    • Yasuhiko Kachi
    • B41J2/17B41J29/393
    • B41J2/17596B41J2002/14459B41J2202/20
    • The liquid supply apparatus supplies liquid for ejection to a liquid ejection head. The apparatus comprises: a tank which stores the liquid; a liquid supply channel through which the liquid in the tank is conveyed to the liquid ejection head; a flow rate determination device which determines a flow rate of the liquid flowing through the liquid supply channel; a pressure loss determination device which determines a pressure loss in a whole of the liquid supply channel according to the flow rate determined by the flow rate determination device; a pressure loss modification device which is disposed in a portion of the liquid supply channel and modifies the pressure loss in the liquid supply channel; and a control device which controls the pressure loss modification device according to the pressure loss in the whole of the liquid supply channel determined by the pressure loss determination device, in such a manner that the pressure loss in the whole of the liquid supply channel remains substantially constant.
    • 液体供给装置将液体喷射到液体喷射头。 该装置包括:储存液体的罐; 液体供应通道,液体中的液体通过该液体供应通道被输送到液体喷射头; 流量确定装置,其确定流过所述液体供应通道的液体的流量; 压力损失确定装置,其根据由流量确定装置确定的流量确定整个液体供应通道中的压力损失; 压力损失修正装置,其设置在所述液体供给通道的一部分中,并且改变所述液体供应通道中的压力损失; 以及控制装置,其以根据由压力损失确定装置确定的整个液体供应通道中的压力损失来控制压力损失修改装置,使得整个液体供应通道中的压力损失基本上保持 不变。
    • 42. 发明授权
    • Image recording apparatus
    • 图像记录装置
    • US07377632B2
    • 2008-05-27
    • US11093306
    • 2005-03-30
    • Yasuhiko Kachi
    • Yasuhiko Kachi
    • B41J2/01
    • B41J11/002
    • The image recording apparatus comprises: an inkjet head which has a plurality of nozzles discharging ink onto a recording medium; a conveyance device which performs relative conveyance of the recording medium relatively with respect to the inkjet head; and a fixing device which fixes the ink deposited on the recording medium from the plurality of nozzles, wherein the image recording apparatus records an image by discharging the ink onto the recording medium from the inkjet head while the relative conveyance by the conveyance device, and the image recording apparatus further comprises: a conveyance control device which controls a relative conveyance velocity of the recording medium in the relative conveyance with respect to the inkjet head; a discharge amount control device which controls an amount of the ink discharged from the inkjet head; a fixing control device which controls a fixing energy applied by the fixing device to fix the ink deposited on the recording medium; and a bleeding prevention control device which prevents the ink deposited on the recording medium from bleeding by variation-controlling at least one of the conveyance control device, the discharge amount control device, and the fixing control device.
    • 图像记录装置包括:喷墨头,其具有将墨水排放到记录介质上的多个喷嘴; 输送装置,其相对于喷墨头执行记录介质的相对传送; 以及固定装置,其从多个喷嘴固定沉积在记录介质上的油墨,其中图像记录装置通过由输送装置进行的相对输送,从喷墨头将油墨喷射到记录介质上,并记录图像, 图像记录装置还包括:输送控制装置,其在相对于喷墨头的相对传送中控制记录介质的相对传送速度; 排出量控制装置,其控制从喷墨头排出的墨的量; 固定控制装置,其控制由所述定影装置施加的固定能量以固定沉积在所述记录介质上的所述油墨; 以及出血预防控制装置,其通过对所述输送控制装置,所述排出量控制装置和所述定影控制装置中的至少一个进行变化控制来防止沉积在所述记录介质上的油墨渗透。
    • 43. 发明申请
    • Liquid ejection head
    • US20060209138A1
    • 2006-09-21
    • US11376155
    • 2006-03-16
    • Yasuhiko Kachi
    • Yasuhiko Kachi
    • B41J2/045B41J2/14B41J2/16
    • B41J2/045B41J2/14233B41J2002/14459B41J2002/14491B41J2202/08B41J2202/18B41J2202/20B41J2202/21
    • The liquid ejection head comprises: a plurality of pressure chambers which are provided correspondingly to a plurality of ejection holes formed on a first wall defining the pressure chambers, the ejection holes being two-dimensionally arranged and ejecting liquid toward a liquid receiving medium, the pressure chambers accommodating the liquid to be ejected from the ejection holes; a common liquid chamber which supplies the liquid to the pressure chambers; a plurality of piezoelectric elements which are provided correspondingly to the pressure chambers and are arranged on a second wall defining the pressure chambers opposing the first wall, the piezoelectric elements each having individual electrodes to which drive signals are applied; a plurality of extending electrodes which extend from the individual electrodes of the piezoelectric elements and are electrically connected to the individual electrodes; a structural member which is bonded to a first surface of the second wall reverse to a second surface thereof adjacent to the pressure chambers, the structural member having a laminated structure in which at least two members are arranged to overlap each other, the at least two members including an outermost member having a surface in contact with atmosphere and serving as a heat radiating member, the at least two members including at least one member serving as a heat insulating member; a drive circuit which is installed on the outermost member of the structural member, the drive circuit generating the drive signals to be applied to the piezoelectric elements; and a plurality of conducting members which electrically connect the extending electrodes and the drive circuit, the conducting members having vertical conducting portions which are formed in a direction substantially vertical to a plane on which the piezoelectric elements are arranged, and horizontal conducting portions which are formed in a direction substantially perpendicular to the vertical conducting portions, the vertical conducting portions being contained in the structural member.
    • 46. 发明申请
    • Inkjet recording apparatus
    • 喷墨记录装置
    • US20050195234A1
    • 2005-09-08
    • US11068911
    • 2005-03-02
    • Yasuhiko KachiTetsuzo Kadomatsu
    • Yasuhiko KachiTetsuzo Kadomatsu
    • B41J2/205
    • B41J2/14056B41J2/155B41J2/2146B41J2002/14459
    • The inkjet recording apparatus comprises: a recording head including a plurality of nozzles which eject a plurality of ink droplets two-dimensionally in a sub-scanning direction that is a direction of relative conveyance of a recording medium and the recording head, and in a main scanning direction that is orthogonal to the sub-scanning direction, wherein the nozzles are arranged in such a manner that, taking Pmin to be a minimum pitch of the nozzles in the sub-scanning direction, and taking Pts to be a pitch in the sub-scanning direction between the nozzles that eject ink droplets deposited adjacently in an overlapping fashion in the main scanning direction on the recording medium, a relationship Pts>Pmin is satisfied.
    • 喷墨记录装置包括:记录头,包括多个喷嘴,其以作为记录介质和记录头的相对传送方向的副扫描方向二维排出多个墨滴,并且在主体中 与副扫描方向正交的扫描方向,其特征在于,所述喷嘴的配置方式是使Pmin成为副扫描方向上的喷嘴的最小间距,并将Pts作为子扫 在记录介质上以与主扫描方向重叠的方式相邻喷射墨滴的喷嘴之间的扫描方向,满足关系Pts> Pmin。
    • 47. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20050093951A1
    • 2005-05-05
    • US10948185
    • 2004-09-24
    • Tsutomu TakatsukaHiroshi InoueToshiya KojimaYasuhiko Kachi
    • Tsutomu TakatsukaHiroshi InoueToshiya KojimaYasuhiko Kachi
    • B41J2/18B41J2/165B41J2/185B41J11/02B41J2/01
    • B41J2/16585
    • The image forming apparatus comprises: a line type recording head which is arranged so that a longitudinal direction thereof is substantially orthogonal to a conveyance direction of a recording medium; a suction pipe which is disposed in parallel with the recording head and connected to a suctioning device; a rotating body which is supported rotatably on an outer circumference of the suction pipe and has a first opening section and a second opening section; a platen which is arranged in the first opening section of the rotating body movably in parallel with the conveyance direction of the recording medium; and a cap member which is arranged in the second opening section of the rotating body and adapted to cap nozzles of the recording head, wherein the recording medium is suctioned onto the platen and parallelly moved along a conveyance path in a state where the first opening section of the rotating body is connected to the suction pipe.
    • 图像形成装置包括:线型记录头,其布置成其长度方向基本上与记录介质的传送方向正交; 吸入管,其与记录头平行设置并连接到抽吸装置; 旋转体,其可旋转地支撑在吸入管的外周上,并具有第一开口部和第二开口部; 在与所述记录介质的输送方向平行的方向上配置在所述旋转体的所述第一开口部中的压板, 以及盖构件,其布置在所述旋转体的所述第二开口部分中并且适于盖住所述记录头的喷嘴,其中所述记录介质被抽吸到所述台板上并且在所述第一开口部分的状态下沿着输送路径平行移动 的旋转体连接到吸入管。
    • 50. 发明授权
    • Image forming method
    • 图像形成方法
    • US08414118B2
    • 2013-04-09
    • US12470962
    • 2009-05-22
    • Toshiyuki MakutaYasuhiko KachiHiroshi YamamotoTerukazu YanagiMisato Sasada
    • Toshiyuki MakutaYasuhiko KachiHiroshi YamamotoTerukazu YanagiMisato Sasada
    • B41J2/01
    • B41J11/002B41J13/223B41M5/0023B41M5/52B41M7/0027
    • The method forms an image using an inkjet recording apparatus, which includes: an image formation unit having a line head type inkjet head disposed opposite a circumferential surface of an image formation drum, the inkjet head depositing the aqueous ink onto the recording medium while the recording medium is held and conveyed in rotation on the circumferential surface of the image formation drum; and a drying unit arranged on a downstream side of the image formation unit, the drying unit having a drying device disposed opposite a circumferential surface of a drying drum, the drying device drying a solvent in the aqueous ink deposited on the recording medium, the drying unit drying the solvent by means of the drying device while the recording medium is held and conveyed in rotation on the circumferential surface of the drying drum; using, as the recording medium, a special paper which is a recording medium successively laminated from a base paper, a first layer containing a binder and a second layer containing a white pigment, the base paper with the first layer provided thereon having a Cobb water absorbency of not higher than 5.0 g/m2 with a contact time of 15 seconds based on a water absorbency test stipulated in JIS P8140, and the second layer having a water absorption amount of not lower than 2 ml/m2 and not higher than 8 ml/m2 with a contact time of 0.5 seconds according to Bristow's method, and having a layer surface pH of not higher than 5.5 after pH adjustment.
    • 该方法使用喷墨记录装置形成图像,其包括:图像形成单元,具有与图像形成鼓的圆周表面相对设置的线头型喷墨头,喷墨头在记录时将水性墨水沉积到记录介质上 介质在图像形成鼓的圆周表面上旋转地保持和传送; 以及设置在图像形成单元的下游侧的干燥单元,干燥单元具有与干燥滚筒的圆周表面相对设置的干燥装置,干燥装置干燥沉积在记录介质上的水性墨水中的溶剂,干燥 通过干燥装置将溶剂单元干燥,同时将记录介质旋转地保持并传送到干燥滚筒的圆周表面上; 使用作为记录介质的专用纸作为从原纸连续层压的记录介质,含有粘合剂的第一层和含有白色颜料的第二层,其上设置有第一层的原纸具有Cobb水 基于JIS P8140规定的吸水性试验,接触时间为15秒的吸光度为5.0g / m 2以下,吸水量为2ml / m 2以上8层以下的第二层 / m 2,接触时间为0.5秒,根据Bristow方法,pH调节后层的表面pH不高于5.5。