公开(公告)号：US12179263B2

公开(公告)日：2024-12-31

申请号：US17626988

申请日：2019-09-05

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

Inventor： Vladek Kasperchik ,  Jennifer Wu ,  Michael G. Monroe

IPC: C09D11/033 ,  B22F1/10 ,  B22F10/14 ,  B28B1/00 ,  B33Y10/00 ,  B33Y40/20 ,  B33Y70/00 ,  B33Y70/10 ,  C09D11/037 ,  C09D11/107 ,  C09D11/322 ,  B22F12/55

Abstract: A multi-fluid kit for three-dimensional printing can include a wetting agent and a binding agent. The wetting agent can include from 0 wt % to about 49.8 wt % water, from about 0.5 wt % to about 30 wt % film-forming organic solvent that can have a boiling point from greater than about 100° C. to about 350° C., and from about 30 wt % to about 99.5 wt % amphiphilic solvent that can have a boiling point from about 45° C. to less than about 100° C. The amphiphilic solvent can be water-miscible and can be present in the wetting agent at a greater concentration than the water and at a greater concentration than the film-forming solvent. The binding agent can include from about 2 wt % to about 30 wt % of a polymer binder dispersed in an aqueous liquid vehicle.

公开(公告)号：US11007712B2

公开(公告)日：2021-05-18

申请号：US16073115

申请日：2016-04-20

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

Inventor： Qin Liu ,  Chien-Hua Chen ,  Michael G. Monroe ,  Bruce Cowger

IPC: B29C64/165 ,  B33Y10/00 ,  B33Y70/00 ,  B29K105/00 ,  B29C64/112 ,  B29K63/00

Abstract: In a three-dimensional printing method example, a build material, including an epoxy resin powder, is applied. A hardener liquid is selectively applied on at least a portion of the build material. The portion of the build material in contact with the hardener liquid is allowed to cure to form a layer of a 3D part. In another three-dimensional printing method example, a filler build material is applied. A liquid epoxy resin is selectively applied on at least a portion of the filler. A hardener liquid is selectively applied on the at least the portion of the filler. The portion of the filler in contact with the liquid epoxy resin and the hardener liquid is allowed to cure to form a layer of a 3D part.

公开(公告)号：US20190270135A1

公开(公告)日：2019-09-05

申请号：US16412024

申请日：2019-05-14

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

Inventor： Vladek Kasperchik ,  Michael G. Monroe ,  Johnathon Holroyd

IPC: B22F1/00 ,  B33Y70/00

Abstract: A metallic build material granule includes a plurality of primary metal particles and a temporary binder agglomerating the plurality of primary metal particles together. The primary metal particles have a primary metal particle size ranging from about the 1 μm to about 20 μm. The primary metal particles are non-shape memory metal particles, and the metallic build material granule excludes shape memory metal particles.

公开(公告)号：US20190009465A1

公开(公告)日：2019-01-10

申请号：US16064098

申请日：2016-04-13

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

Inventor： Michael G. Monroe ,  Vladek Kasperchik ,  David Michael Ingle

IPC: B29C64/165 ,  B28B1/00 ,  C04B35/64 ,  B29C64/214 ,  B29C64/218

CPC classification number: B29C64/165 ,  B28B1/001 ,  B29C64/214 ,  B29C64/218 ,  B29C67/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02 ,  B33Y70/00 ,  C04B35/64

Abstract: In a three-dimensional (3D) printing method example, build material granules are applied. Each of the build material granules includes a plurality of primary ceramic particles agglomerated together by a binder that is at least partially soluble in a primary solvent of a fusing agent. Pressure is applied to crush the build material granules. The fusing agent is selectively applied on at least a portion of the build material granules or the crushed build material granules to pattern the portion, and to introduce a latent binder to the portion. The application of the build material granules, the application of the pressure, and the selectively application of the fusing agent are repeated to create a green body. The latent binder is activated by heating the green body in order to produce a cured green body.

公开(公告)号：US20220297182A1

公开(公告)日：2022-09-22

申请号：US17838050

申请日：2022-06-10

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

Inventor： Vladek Kasperchik ,  Mohammed S. Shaarawi ,  Michael G. Monroe ,  David Michael Ingle

IPC: B22F1/10 ,  B33Y70/00 ,  B33Y10/00 ,  B33Y30/00 ,  B22F10/10 ,  B29C64/165 ,  B33Y70/10 ,  B22F10/14 ,  B22F10/50 ,  B22F3/10 ,  B29C64/295 ,  B29C64/209 ,  C08L13/02 ,  B22F1/05

Abstract: In a three-dimensional (3D) printing method example, a metallic build material is applied. A binder fluid is selectively applied on at least a portion of the metallic build material. The binder fluid includes a liquid vehicle and polymer particles dispersed in the liquid vehicle. The application of the metallic build material and the selective application of the binder fluid are repeated to create a patterned green part. The patterned green part is heated to at about a melting point of the polymer particles to activate the binder fluid and create a cured green part. The cured green part is heated to a thermal decomposition temperature of the polymer particles to create an at least substantially polymer-free gray part. The at least substantially polymer-free gray part is heated to a sintering temperature to form a metallic part.

公开(公告)号：US20210362243A1

公开(公告)日：2021-11-25

申请号：US16605206

申请日：2018-07-27

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

Inventor： Sergio Puigardeu Aramendia ,  Michael G. Monroe ,  Jason C. Hower

IPC: B22F12/55 ,  B22F10/14 ,  B22F10/30 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/165 ,  B29C64/209 ,  B29C64/393

Abstract: An example three-dimensional printing method is described, comprising selectively depositing droplets of a liquid agent on a layer of build material, by depositing liquid agent on the layer of build material from a first distance above the layer, for example on a first part of the layer, and depositing liquid agent on the layer of build material from a second distance above the layer, for example on a second part of the layer. An example 3D printer is also described.

公开(公告)号：US10850446B2

公开(公告)日：2020-12-01

申请号：US16073181

申请日：2016-04-20

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

Inventor： Chien-Hua Chen ,  Qin Liu ,  Michael G. Monroe

IPC: B29C64/165 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y30/00 ,  B29C64/393 ,  B29K63/00

Abstract: In a three-dimensional printing method example, an epoxy mold compound build material is applied. A fusing agent is selectively applied on at least a portion of the epoxy mold compound build material. The epoxy mold compound build material is exposed to energy, thereby fusing the portion of the epoxy mold compound build material in contact with the fusing agent to form a layer.

公开(公告)号：US10786950B2

公开(公告)日：2020-09-29

申请号：US15763167

申请日：2016-01-29

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

Inventor： Pavel Kornilovich ,  Vladek Kasperchik ,  Michael G. Monroe

IPC: B29C67/24 ,  C08K7/28 ,  B33Y30/00 ,  B33Y10/00 ,  B29C64/165 ,  C08K3/013 ,  C08L77/02 ,  C08K3/22 ,  B33Y70/00 ,  B33Y50/02 ,  B29C67/00

Abstract: A three-dimensional (3D) printing composite build material composition includes a polymer particle and an inorganic particle. The polymer particle is an aliphatic polyamide. The inorganic particle has an average particle size ranging from about 1 μm to about 100 μm. A mass ratio of the polymer particle to the inorganic particle in the composite build material composition ranges from about 5:2 to about 1:3.

公开(公告)号：US20180272561A1

公开(公告)日：2018-09-27

申请号：US15763193

申请日：2015-11-20

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

Inventor： Vladek Kasperchik ,  Michael G. Monroe ,  Pavel Kornilovich ,  David A. Champion

IPC: B28B1/00 ,  C04B35/64 ,  C04B35/63 ,  C04B35/636 ,  C04B35/638

CPC classification number: B28B1/001 ,  B28B7/465 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y70/00 ,  C04B35/6316 ,  C04B35/634 ,  C04B35/636 ,  C04B35/638 ,  C04B35/64

Abstract: In a three-dimensional printing method example, build material granules are applied. Each of the build material granules includes uncoated, primary ceramic particles agglomerated together by a binder that is soluble in a primary solvent of a fusing agent. The fusing agent is selectively applied on at least a portion of the build material granules. The binder dissolves and a green body including a slurry of the uncoated, ceramic particles is created.

公开(公告)号：US20230303884A1

公开(公告)日：2023-09-28

申请号：US18327778

申请日：2023-06-01

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

Inventor： Sterling Chaffins ,  Kevin P. DeKam ,  Michael G. Monroe

IPC: C09D11/54 ,  C09D11/52 ,  B33Y30/00 ,  C09D11/40 ,  B29C64/165 ,  C09D11/32 ,  B33Y70/10 ,  B33Y40/10 ,  B29C64/112 ,  B29C64/20 ,  C09D11/037 ,  C09D11/322

CPC classification number: C09D11/54 ,  C09D11/52 ,  B33Y30/00 ,  C09D11/40 ,  B29C64/165 ,  C09D11/32 ,  B33Y70/10 ,  B33Y40/10 ,  B29C64/112 ,  B29C64/20 ,  C09D11/037 ,  C09D11/322 ,  B29K2101/12

Abstract: A method for forming parts with electrically conductive features includes applying a layer of thermoplastic polymer powder particles in a powder bed and selectively applying an aqueous pretreat composition including a metal chloride salt on a portion of the layer. A conductive fusing ink including transition metal particles and a dispersing agent is selectively applied onto the applied aqueous pretreat composition on the portion of the layer, wherein the dispersing agent binds to, and passivates surfaces of the transition metal particles. The layer is exposed to electromagnetic radiation to fuse the thermoplastic polymer powder particles in the portion of the layer and sinter the transition metal particles, thereby forming a conductive feature.