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    LIQUID ELECTROPHOTOGRAPHIC INK
    22.
    发明申请
    LIQUID ELECTROPHOTOGRAPHIC INK 有权
    液体电子油墨

    公开(公告)号：US20150316868A1

    公开(公告)日：2015-11-05

    申请号：US14650282

    申请日：2013-01-28

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Sivapackia Ganapathiappan ,  Hou T. Ng ,  Albert Teishev

    IPC: G03G9/12 ,  G03G9/13 ,  G03G15/16 ,  G03G9/08

    CPC classification number: G03G9/122 ,  C09D11/037 ,  C09D11/10 ,  C09D11/52 ,  G03G9/0804 ,  G03G9/131 ,  G03G15/16

    Abstract: A liquid electrophotographic ink includes a non-polar carrier fluid, a metallic pigment particle, and resin particles. The metallic pigment particle includes a non-functionalized aluminum pigment, and a latex layer directly contacting a surface of the non-functionalized aluminum pigment to encapsulate the non-functionalized aluminum pigment. The resin particles are i) present as discrete particles in the non-polar carrier fluid or ii) associated with the latex layer.

    Abstract translation: 液体电子照相油墨包括非极性载体流体，金属颜料颗粒和树脂颗粒。 金属颜料颗粒包括非官能化铝颜料和直接接触非官能化铝颜料的表面以封装非官能化铝颜料的胶乳层。 树脂颗粒i）作为非极性载体流体中的离散颗粒存在，或ii）与胶乳层相关联。

    Liquid electrophotographic ink concentrates and methods for preparing the same
    23.
    发明授权
    Liquid electrophotographic ink concentrates and methods for preparing the same 有权
    液体电子照相油墨浓缩物及其制备方法

    公开(公告)号：US08563210B2

    公开(公告)日：2013-10-22

    申请号：US13865746

    申请日：2013-04-18

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Doris Pik-Yiu Chun ,  Sivapackia Ganapathiappan ,  Hou T. Ng ,  Albert Teishev

    IPC: G03G9/125

    CPC classification number: G03G9/00 ,  G03G9/12 ,  G03G9/13 ,  G03G9/135

    Abstract: A liquid electrophotographic ink concentrate includes non-volatile solids present in an amount ranging from about 20% to about 70% of the ink concentrate, the non-volatile solids including encapsulated pigment particles having a particle size ranging from about 500 nm to about 20 μm, and a viscosity modifier. The ink concentrate includes a balance of a liquid composition, the liquid composition including a carrier. The concentrate is dispersible in an ink vehicle to form a print-ready liquid electrophotographic ink having the non-volatile solids present in an amount ranging from about 0.5% to 5% of the print-ready liquid electrophotographic ink.

    Abstract translation: 液体电子照相油墨浓缩物包括以油墨浓缩物的约20％至约70％的量存在的非挥发性固体，所述非挥发性固体包括颗粒尺寸范围为约500nm至约20μm的包封颜料颗粒 ，和粘度调节剂。 油墨浓缩物包括液体组合物的余量，该液体组合物包括载体。 浓缩物可分散在油墨载体中以形成具有非印刷准备液体电子照相油墨的约0.5％至5％量的非挥发性固体的印刷准备液体电子照相油墨。

    AUTOMATIC CLEANING IN A LIQUID INK PRINTING SYSTEM
    24.
    发明申请
    AUTOMATIC CLEANING IN A LIQUID INK PRINTING SYSTEM 有权
    液体油墨印刷系统自动清洗

    公开(公告)号：US20130057624A1

    公开(公告)日：2013-03-07

    申请号：US13664541

    申请日：2012-10-31

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Eyal BACHAR ,  Albert Teishev ,  Kobi Shkuri

    IPC: B41J2/175

    CPC classification number: B41J2/175 ,  B41J2/17596

    Abstract: A system for automatic cleaning in a liquid ink printing system includes an ink tank, a pump which is configured pump a carrier liquid from the ink tank as a pressurized carrier liquid flow. A filter is configured to remove particulates from the pressurized carrier liquid flow to produce a filtered carrier liquid flow. A sprayer is configured to receive the filtered carrier liquid flow and spray the filtered carrier liquid flow into an interior of the ink tank. The pump recirculates the filtered carrier liquid flow through the filter and the sprayer. A method for automatic cleaning in a printing system is also included.

    Abstract translation: 一种用于在液体油墨印刷系统中自动清洁的系统包括一个墨水罐，一个泵，该泵被配置成将来自墨水罐的载体液体作为加压的载体液体流动。 过滤器构造成从加压的载体液体流中除去微粒以产生过滤的载体液体流。 喷雾器被构造成接收经过滤的载液流并将过滤的载液流喷射到墨罐的内部。 泵将过滤的载液液流再循环通过过滤器和喷雾器。 还包括在打印系统中自动清洁的方法。

    Print treatment units
    25.
    发明授权
    Print treatment units 有权

    公开(公告)号：US12117746B2

    公开(公告)日：2024-10-15

    申请号：US17256668

    申请日：2019-03-22

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Fernanda Orlik ,  Albert Teishev ,  Alex Veis

    IPC: G03G15/10 ,  C09D11/107 ,  C09D11/52 ,  G03G15/20

    CPC classification number: G03G15/10 ,  C09D11/107 ,  C09D11/52 ,  G03G15/2007

    Abstract: A method is disclosed. The method may comprise forming an image on a surface by controlled electrostatic transfer of a fluid print agent comprising thermoplastic resin disposed in a carrier fluid. The method may also comprise heating the fluid print agent on the surface to remove the carrier fluid and to melt the thermoplastic resin and allowing the melted thermoplastic resin in continuous areas on the surface to fuse together to form an image from fused print agent. The method may further involve providing a printed substrate bearing the image formed from fused print agent. The method may further comprise irradiating the printed substrate with an ultraviolet narrowband source so as to cause heating of the fused print agent to melt the thermoplastic resin. A print system and a print apparatus are also disclosed.

    Heat transfer printing
    27.
    发明授权
    Heat transfer printing 有权

    公开(公告)号：US11442393B2

    公开(公告)日：2022-09-13

    申请号：US17049624

    申请日：2018-10-03

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Inna Tzomik ,  Dima Libster ,  Katty Noorany ,  Albert Teishev

    IPC: G03G15/00 ,  B32B7/06 ,  B32B27/12 ,  B32B27/40 ,  B32B37/00 ,  D06P5/24 ,  G03G15/16 ,  B41J2/335 ,  B41M5/025 ,  G03G17/00 ,  G03G15/10

    Abstract: Described herein is a process for heat transfer printing, the process comprising: electrostatically printing a transparent release composition onto a transfer material to form a release layer disposed on the transfer material; electrostatically printing an electrostatic ink composition on the release layer to form an image layer disposed on the release layer; contacting a thermoplastic film with the image layer; contacting the thermoplastic film with a target substrate under conditions such that the thermoplastic film adheres to the target substrate and the release layer is softened; and separating the target substrate and the transfer material such that the thermoplastic film, image layer and release layer are transferred to the target substrate. A heat transferrable printed image is also described herein.

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