中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

77 records (took 0.068 seconds)

    THREE-DIMENSIONAL PRINTING
    32.
    发明申请
    THREE-DIMENSIONAL PRINTING 审中-公开

    公开(公告)号：WO2019177612A1

    公开(公告)日：2019-09-19

    申请号：PCT/US2018/022667

    申请日：2018-03-15

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

    Inventor： ERICKSON, Kristopher J. ,  OLUBUMMO, Paul ,  HARTMAN, Aja ,  ZHAO, Lihua

    IPC: B29C64/165 ,  B29C64/10 ,  B33Y70/00 ,  B33Y10/00

    Abstract: A three-dimensional printing system can include polymeric build material and jettable fluid(s). The polymeric build material can have an average particle size from 20 μm to 150 μm, a first melt viscosity, and a melting temperature from 75 °C to 350 °C. In one example, the jettable fluid can include water, from 0.1 wt% to 10 wt% of electromagnetic radiation absorber, and from 10 wt% to 35 wt% of an organic solvent plasticizer. Contacting a first portion of a layer of the polymeric build material with the jettable fluid can provide an organic solvent plasticizer loading from 2 wt% to 10 wt% based on the polymeric build material content. The first melt viscosity of the polymeric build material at the first portion can be reduced and the melting temperature of the polymeric build material at the first portion can be decreased by 3 °C to 15 °C.

    ADDITIVELY MANUFACTURING A 3D OBJECT INCLUDING A SECOND MATERIAL
    35.
    发明申请
    ADDITIVELY MANUFACTURING A 3D OBJECT INCLUDING A SECOND MATERIAL 审中-公开

    公开(公告)号：WO2018194540A1

    公开(公告)日：2018-10-25

    申请号：PCT/US2017/027870

    申请日：2017-04-17

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

    Inventor： ERICKSON, Kristopher J. ,  CHAFFINS, Sterling ,  TOM, Howard S.

    IPC: B29C64/10 ,  B29C64/205 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00

    Abstract: A 3D printer to additively manufacture a 3D object includes a coater, a dispenser, and an energy source. The coater is to coat a first material relative to a print bed to form a selectable number of first layers. The dispenser is to dispense a first fluid agent onto first selected locations of the first layers of the first material. The energy source is to cause fusing at the first selected locations. The dispenser is to also dispense a second fluid agent including a second material to form a selectable number of second layers of the second material at second selected locations on top of the selectable number of first layers. Each second selected location comprises at least some of the fused first selected locations.

    THREE-DIMENSIONAL (3D) PRINTING
    36.
    发明申请
    THREE-DIMENSIONAL (3D) PRINTING 审中-公开
    三维（3D）印刷

    公开(公告)号：WO2018022024A1

    公开(公告)日：2018-02-01

    申请号：PCT/US2016/044095

    申请日：2016-07-26

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

    Inventor： ANTHONY, Thomas ,  ERICKSON, Kristopher J. ,  NAUKA, Krzysztof

    IPC: B22F3/105 ,  C22C1/04 ,  B33Y10/00 ,  B33Y30/00

    Abstract: In a three-dimensional printing method example, a metallic build material is applied. A positive masking agent is selectively applied on at least a portion of the metallic build material. The positive masking agent includes a radiation absorption amplifier that is compatible with the metallic build material. The metallic build material is exposed to radiation from a spatially broad, high energy light source to melt the portion of the metallic build material in contact with the positive masking agent to form a layer. The radiation absorption amplifier i) has an absorbance for the radiation that is higher than an absorbance for the radiation of the metallic build material, or ii) modifies a surface topography of the at least the portion of the metallic build material to reduce specular reflection of the radiation off of the at least the portion of the metallic build material, or both i) and ii).

    Abstract translation: 在三维打印方法示例中，应用金属构建材料。 正掩蔽剂选择性地施加在金属建造材料的至少一部分上。 正遮蔽剂包括与金属构建材料兼容的辐射吸收放大器。 将金属建造材料暴露于来自空间宽阔的高能量光源的辐射以熔化与正面掩蔽剂接触的部分金属建造材料以形成层。 辐射吸收放大器i）对辐射的吸收率高于对金属建造材料的辐射的吸收率，或者ii）修改金属建造材料的至少一部分的表面形貌以减少金属建造材料的镜面反射 至少部分金属构建材料的辐射，或者i）和ii）两者的辐射。

    COALESCENT INK
    38.
    发明申请
    COALESCENT INK 审中-公开
    合并油墨

    公开(公告)号：WO2017131652A1

    公开(公告)日：2017-08-03

    申请号：PCT/US2016/015056

    申请日：2016-01-27

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

    Inventor： GANAPATHIAPPAN, Sivapackia ,  TOM, Howard S. ,  ZHAO, Yan ,  ERICKSON, Kristopher J. ,  NAUKA, Krzysztof ,  ZHAO, Lihua

    IPC: C09D11/10 ,  C09D11/037 ,  C09D11/32

    CPC classification number: C09D11/32 ,  C09D11/106 ,  C09D11/30 ,  C09D11/36

    Abstract: The present disclosure is drawn to coalescent inks and material sets, such as for 3D printing. In one example, the coalescent ink can include a conjugated polymer, a colorant imparting a visible color to the coalescent ink, and an ink vehicle comprising a high boiling point co-solvent having a boiling point of 250 °C or greater. The high boiling point co-solvent can be present in an amount from about 1 wt% to about 4 wt% with respect to the coalescent ink.

    Abstract translation: 本公开涉及聚结剂油墨和材料组，例如用于3D打印。 在一个实例中，聚结剂油墨可以包括共轭聚合物，赋予聚结油墨可见颜色的着色剂和包含沸点为250℃或更高的高沸点共溶剂的油墨载色剂。 相对于聚结墨水，高沸点助溶剂的存在量可以为约1重量％至约4重量％。

Patent Agency Ranking