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    System and method for cleaning a nozzleplate
    12.
    发明授权
    System and method for cleaning a nozzleplate 有权
    清洁喷嘴板的系统和方法

    公开(公告)号：US08864285B2

    公开(公告)日：2014-10-21

    申请号：US14127498

    申请日：2012-06-25

    申请人： Luc De Roeck

    发明人： Luc De Roeck

    IPC分类号： B41J2/015 ,  B41J2/165

    CPC分类号： B41J2/16526 ,  B41J2/16538 ,  B41J2/16552

    摘要： A system and a method for cleaning a printhead by providing from a first slit a laminar flow of cleaning fluid that flows through a pretensioned brush for brushing the nozzle plate and collecting debris. The cleaning fluid with the debris is drained by a first slit having a first under pressure and next by a second slit that has a second under pressure that is greater than the first under pressure.

    摘要翻译： 一种清洁打印头的系统和方法，其通过从第一狭缝提供流过预拉伸的刷子以清洁喷嘴板并收集碎屑的清洁流体的层流。 具有碎屑的清洁流体由具有第一下压的第一狭缝排出，接下来由具有大于第一下压的第二压力的第二狭缝排出。

    Pigment dispersions with polymeric dispersants having pending chromophore groups
    13.
    发明授权
    Pigment dispersions with polymeric dispersants having pending chromophore groups 有权
    具有悬浮发色团的聚合物分散剂的颜料分散体

    公开(公告)号：US08759441B2

    公开(公告)日：2014-06-24

    申请号：US11995330

    申请日：2006-06-23

    申请人： Johan Loccufier ,  Wojciech Jaunky ,  Geert Deroover ,  Lambertus Groenendaal

    发明人： Johan Loccufier ,  Wojciech Jaunky ,  Geert Deroover ,  Lambertus Groenendaal

    IPC分类号： C08L67/00 ,  C08L67/02 ,  C08L73/00 ,  C08L77/00 ,  C08L81/00 ,  C08G18/06 ,  C09D11/10

    CPC分类号： C09B69/106 ,  C09B67/0033 ,  C09B67/0036 ,  C09B67/0051 ,  C09B67/0063 ,  C09B67/009 ,  C09B69/10 ,  C09B69/109 ,  C09D11/101 ,  C09D11/326

    摘要： A pigment dispersion includes a color pigment and a polymeric dispersant having at least one pending chromophore group covalently bound to the polymeric backbone of the polymeric dispersant through a linking group, wherein the at least one pending chromophore group is a derivative from a color pigment selected from the group consisting of monoazo pigments, disazo pigments, β-naphtol pigments, naphtol AS pigments, azo pigment lakes, benzimidazolone pigments, disazo condensation pigments, metal complex pigments, isoindolinone pigments, isoindolinine pigments, phthalocyanine pigments, quinacridone pigments, diketopyrrolo-pyrrole pigments, thioindigo pigments, anthraquinone pigments, anthrapyrimidine pigments, indanthrone pigments, flavanthrone pigments, pyranthrone pigments, anthanthrone pigments, isoviolanthrone pigments, aluminum pigment lakes, dioxazine pigments, triarylcarbonium pigments, and quinophthalone pigments; the at least one pending chromophore group is a chromophore group occurring as a side group on the polymeric backbone and not a group in the polymeric backbone itself or occurring solely as an end group of the polymeric backbone; the linking group consists of all the atoms between the polymeric backbone and the first atom of the aromatic group by which the pending chromophore group is linked to the polymeric backbone; the polymeric dispersant has a polymeric backbone with a polymerization degree between 5 and 1,000; and at most 30 % of the monomer units of the polymeric backbone have a pending chromophore group. The pigment dispersion can be advantageously used in inkjet inks. Also disclosed is a method for preparing the pigment dispersion including the step of preparing the polymeric dispersant by copolymerizing a monomer already containing the pending chromophore group.

    摘要翻译： 颜料分散体包括着色颜料和聚合物分散剂，其具有通过连接基团与聚合物分散剂的聚合物主链共价结合的至少一个待处理的发色团，其中所述至少一个未完成的发色团是来自选自以下的颜色颜料的衍生物： 由单偶氮颜料，双偶氮颜料，萘酚颜料，萘酚AS颜料，偶氮颜料湖，苯并咪唑酮颜料，双偶氮缩合颜料，金属络合颜料，异吲哚啉酮颜料，异吲哚啉颜料，酞菁颜料，喹吖啶酮颜料，二酮吡咯并 - 吡咯 颜料，硫靛颜料，蒽醌颜料，蒽嘧啶颜料，阴丹酮颜料，黄烷酮酮颜料，吡喃酮颜料，蒽醌颜料，异卤蒽酮颜料，铝颜料湖，二恶嗪颜料，三芳基碳鎓颜料和喹酞酮颜料; 至少一个未决发色团组是作为聚合物主链上的侧基而不是聚合物主链本身中的基团发生或仅作为聚合物主链的端基发生的发色团。 连接基团由聚合物主链和芳族基团的第一个原子之间的所有原子组成，待处理的发色团通过该原子连接到聚合物主链上; 聚合物分散剂具有聚合度为5至1,000的聚合物主链; 并且至多30％的聚合物主链的单体单元具有未决的发色团组。 颜料分散体可以有利地用于喷墨油墨中。 还公开了一种制备颜料分散体的方法，其包括通过使已经含有未完成发色团的单体共聚制备聚合物分散剂的步骤。

    White inkjet ink improved for dispersion stability
    14.
    发明授权
    White inkjet ink improved for dispersion stability 有权
    白色喷墨油墨提高了分散稳定性

    公开(公告)号：US08757789B2

    公开(公告)日：2014-06-24

    申请号：US13547100

    申请日：2012-07-12

    申请人： Etienne Van Thillo ,  Frank De Voeght ,  Emiel Verdonck

    发明人： Etienne Van Thillo ,  Frank De Voeght ,  Emiel Verdonck

    IPC分类号： B41J2/01 ,  B41J2/21

    CPC分类号： B41J2/015 ,  B41J2/01 ,  B41J2/175 ,  B41J2/17503 ,  B41J2/2107 ,  B41J2/211 ,  B41J2/2114 ,  B41M5/0023 ,  B41M7/0072 ,  C09D11/101 ,  C09D11/322 ,  C09D11/40 ,  G01D11/00

    摘要： An inkjet printing method includes in order the steps of: a) providing to an inkjet printer one or more colorless liquids and a white ink including a pigment with a refractive index greater than 1.60; b) mixing the white ink in a controlled amount with the one or more colorless liquids to form a white ink-mixture wherein the viscosity is reduced by at least 5 mPa·s by reference to the white ink when measuring the viscosity at 40° C. with a Brookfield DV-II+Pro at 12 rotations per minute; and c) printing the white ink-mixture with the inkjet printer onto an ink-receiver. Additionally, a color inkjet ink set includes the one or more colorless liquids and the white ink, and an inkjet printer for use in the inkjet printing method.

    摘要翻译： 喷墨打印方法包括以下步骤：a）向喷墨打印机提供一种或多种无色液体和包含折射率大于1.60的颜料的白色油墨; b）将受控量的白色油墨与一种或多种无色液体混合以形成白色油墨混合物，其中当测量40℃下的粘度时，参考白色油墨的粘度降低至少5mPa·s 与Brookfield DV-II + Pro每分钟旋转12圈; 和c）用喷墨打印机将白色墨水混合物印刷到墨水接收器上。 此外，彩色喷墨油墨组包括一种或多种无色液体和白色油墨，以及用于喷墨打印方法的喷墨打印机。

    Image processing method for three-dimensional printing
    15.
    发明授权
    Image processing method for three-dimensional printing 有权
    三维打印图像处理方法

    公开(公告)号：US08705144B2

    公开(公告)日：2014-04-22

    申请号：US13140440

    申请日：2009-12-01

    申请人： Chris Gullentops ,  Rudi Lenders

    发明人： Chris Gullentops ,  Rudi Lenders

    IPC分类号： H04N1/40

    CPC分类号： B41J29/38 ,  B29C64/112 ,  B29C64/386 ,  B33Y50/00 ,  B41C1/003 ,  H04N1/40081

    摘要： A relief print master is created by printing a sequence of layers on top of each other by an inkjet printing system. The top layer corresponds with the binary halftoned image that is to be printed by the print master and the lower intermediate layers are supporting layers. The features in a lower supporting layer have an area that is larger than the corresponding features in a higher supporting layer. A circular spread function is applied on the features of a higher intermediate layer to increase the area of the features in a lower intermediate layer. By using a sequence of two non-circular spread functions, the circular spread function is approximated and the number of required calculations can be reduced.

    摘要翻译： 通过喷墨打印系统通过打印彼此顶部的层序列来创建浮雕印刷主机。 顶层对应于由打印主机打印的二进制半色调图像，下层中间层是支持层。 下支撑层中的特征具有比较高支撑层中的相应特征大的面积。 圆形扩展函数应用于较高中间层的特征以增加下层中间层中特征的面积。 通过使用两个非循环扩展函数的序列，近似圆形扩展函数，并且可以减少所需计算的数量。

    Single pass inkjet printing method
    17.
    发明授权
    Single pass inkjet printing method 有权
    单程喷墨打印方式

    公开(公告)号：US08646901B2

    公开(公告)日：2014-02-11

    申请号：US13505747

    申请日：2010-12-20

    申请人： Stefaan De Meutter ,  Peter Bracke ,  David Tilemans ,  Joris Van Garsse ,  Geert Van Dyck

    发明人： Stefaan De Meutter ,  Peter Bracke ,  David Tilemans ,  Joris Van Garsse ,  Geert Van Dyck

    IPC分类号： B41J2/01 ,  B41J29/38 ,  G01D11/00

    CPC分类号： B41M7/0081 ,  B41J11/002 ,  B41M7/009

    摘要： A single pass inkjet printing method includes the steps of: a) providing a radiation curable inkjet ink set containing at least a first and a second radiation curable inkjet ink having a dynamic surface tension of no more than 30 mN/m measured by maximum bubble pressure tensiometry at a surface age of 50 ms and at 25° C.; b) jetting a first radiation curable inkjet ink on an ink-jet ink-receiver moving at a printing speed of at least 35 m/min.; c) at least partially curing the first inkjet ink on the ink receiver within the range of 40 to 500 ms after the first inkjet ink landed on the ink receiver; d) jetting a second radiation curable inkjet ink on the at least partially cured first inkjet ink; and e) at least partially curing the second inkjet ink within the range of 40 to 500 ms after the second inkjet ink landed on the first inkjet ink.

    摘要翻译： 单程喷墨印刷方法包括以下步骤：a）提供一种包含至少第一和第二可辐射固化喷墨油墨的可辐射固化喷墨油墨组合物，其具有通过最大气泡压力测量的动态表面张力不超过30mN / m 在50ms的表面年龄和25℃下的张力测定法。 b）在以至少35m / min的印刷速度移动的喷墨吸收器上喷射第一可辐射固化喷墨油墨; c）在所述第一喷墨油墨着墨在所述油墨接收器上之后，在所述油墨接收器上至少部分固化所述第一喷墨油墨在40至500ms的范围内; d）在所述至少部分固化的第一喷墨油墨上喷射第二可辐射固化喷墨油墨; 以及e）在所述第二喷墨油墨着色在所述第一喷墨油墨之后，在所述第二喷墨油墨至少部分固化在40至500ms的范围内。

    Inkjet printing methods and inkjet ink sets
    19.
    发明授权
    Inkjet printing methods and inkjet ink sets 有权
    喷墨打印方法和喷墨油墨组

    公开(公告)号：US08529049B2

    公开(公告)日：2013-09-10

    申请号：US13397846

    申请日：2012-02-16

    申请人： Frank De Voeght ,  Etienne Van Thillo

    发明人： Frank De Voeght ,  Etienne Van Thillo

    IPC分类号： G01D11/00 ,  B41J2/17 ,  B41J2/175

    CPC分类号： B41J2/175 ,  B41J2/211 ,  B41J2/2114 ,  B41M5/0023 ,  C09D11/101 ,  G01D11/00

    摘要： An inkjet printing method including, in order, the steps of: a) providing at least two or more color inkjet inks of the same color and color density but having a different composition to an inkjet printer; b) mixing the two or more color inkjet inks in a controlled amount; and c) printing the mixture of the two or more color inkjet inks with the inkjet printer onto an ink-receiver. An inkjet printer and an inkjet ink set include two or more color inkjet inks of the same color and color density but having a different composition.

    摘要翻译： 一种喷墨打印方法，包括以下步骤：a）提供与喷墨打印机相同颜色和色彩密度但具有不同组成的至少两种或更多种彩色喷墨油墨; b）以可控量混合两种或更多种彩色喷墨油墨; 以及c）将所述两种或更多种彩色喷墨油墨与所述喷墨打印机的混合物印刷到墨接收器上。 喷墨打印机和喷墨油墨组包括具有相同颜色和颜色密度但具有不同组成的两种或更多种彩色喷墨油墨。