公开(公告)号：US20220274163A1

公开(公告)日：2022-09-01

申请号：US17637635

申请日：2019-11-15

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

Inventor： John Samuel Dilip Jangam ,  Kristopher Erickson ,  Thomas Craig Anthony ,  Lihua Zhao

IPC: B22F1/105 ,  B33Y70/00 ,  B33Y10/00 ,  B22F10/14

Abstract: The present disclosure relates to a method of three-dimensional (3D) printing a 3D printed metal object. The method comprises selectively jetting an alloying agent onto build material. The build material comprises a first metal and the alloying agent comprises an alloying component that forms an alloy with the first metal. The method also comprises selectively jetting a binding agent onto the build material; binding the build material to form a layer: the alloying component is incorporated in the 3D object in a predetermined arrangement that comprises a first and a second region. The first region comprises the alloying component and the second region is substantially free from the alloying component or comprises the alloying component at a lower concentration than the first regions. The disclosure also relates to a kit that may be used in the method and a 3D printed structure that may be formed using the method.

公开(公告)号：US20220362850A1

公开(公告)日：2022-11-17

申请号：US17637481

申请日：2020-01-29

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

Inventor： John Samuel Dilip Jangam ,  Thomas Craig Anthony ,  Kristopher Erickson ,  Lihua Zhao

IPC: B22F10/14 ,  B22F10/39 ,  B22F1/00

Abstract: The present disclosure relates to a method of three-dimensional (3D) printing a 3D printed object. The method comprises: selectively jetting a marking agent onto a first region of build material, wherein the build material comprises at least one meta and/or ceramic; selectively jetting a binding agent onto at least a portion of the build material; and binding the build material to form a layer; such that the marking agent is incorporated in the metal part in a predetermined arrangement that forms a detectable marker in the 3D printed object. The disclosure also relates to a multi-fluid inkjet kit for 3D printing.

公开(公告)号：US11318532B2

公开(公告)日：2022-05-03

申请号：US16077183

申请日：2017-07-19

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

Inventor： Thomas Anthony ,  Kristopher Erickson ,  Howard S. Tom

IPC: B22F10/10 ,  B33Y10/00 ,  B22F1/105 ,  B22F3/10 ,  B33Y70/00

Abstract: Methods of forming 3D printed metal objects and compositions for 3D printing are described herein. In an example, a method of forming a 3D printed metal object can comprise: (A): a build material comprising at least one metal being deposited; (B): a fusing agent being selectively jetted on the build material, the fusing agent comprising: (i) at least one hydrated metal salt having a dehydration temperature of from about 100° C. to about 250° C., and (ii) a carrier liquid comprising at least one surfactant and water; (C): the build material and the selectively jetted fusing agent being heated to a temperature of from about 100° C. to about 250° C. to: (a) remove the carrier liquid, (b) dehydrate the hydrated metal salt, and (c) bind the build material and the selectively jetted fusing agent; and (D): (A), (B), and (C) being repeated at least one time to form the 3D printed metal object.

公开(公告)号：US11685114B2

公开(公告)日：2023-06-27

申请号：US17258315

申请日：2019-01-15

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

Inventor： Kristopher Erickson ,  Jarrid Wittkopf ,  Lihua Zhao

IPC: B29C64/188 ,  B29C64/393 ,  B29C64/165 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/264 ,  B29C64/209 ,  B29L31/34

CPC classification number: B29C64/188 ,  B29C64/165 ,  B29C64/209 ,  B29C64/264 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B29L2031/34

Abstract: Some examples include an additive manufacturing system including a processor and a memory to store instructions. The instructions cause the processor to generate print data from received data related to a three-dimensional build object. The generated print data includes defined print data to dispensing a first agent at a build area of a build material layer, defined print data to selectively dispensing a second agent at a component receiving area within the build area of the build material layer, the second agent to locally reduce a viscosity of the build material at the component receiving area to a viscous state, and defined print data to position a component within the component receiving area at a time of the component receiving area being in a viscous state.

公开(公告)号：US20210331388A1

公开(公告)日：2021-10-28

申请号：US17258315

申请日：2019-01-15

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

Inventor： Kristopher Erickson ,  Jarrid Wittkopf ,  Lihua Zhao

IPC: B29C64/188 ,  B29C64/165 ,  B29C64/393 ,  B29C64/209 ,  B29C64/264 ,  B33Y50/02 ,  B33Y10/00 ,  B33Y30/00

Abstract: Some examples include an additive manufacturing system including a processor and a memory to store instructions. The instructions cause the processor to generate print data from received data related to a three-dimensional build object. The generated print data includes defined print data to dispensing a first agent at a build area of a build material layer, defined print data to selectively dispensing a second agent at a component receiving area within the build area of the build material layer, the second agent to locally reduce a viscosity of the build material at the component receiving area to a viscous state, and defined print data to position a component within the component receiving area at a time of the component receiving area being in a viscous state.