公开(公告)号：US12214421B2

公开(公告)日：2025-02-04

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: B22F10/14 ,  B22F1/05 ,  B22F1/10 ,  B22F3/10 ,  B22F10/10 ,  B22F10/16 ,  B22F10/32 ,  B22F10/34 ,  B22F10/50 ,  B22F12/10 ,  B29C64/165 ,  B29C64/209 ,  B29C64/295 ,  B29C64/371 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00 ,  B33Y70/10 ,  C08L13/02 ,  C22C1/04 ,  B22F1/103 ,  B22F5/08 ,  B22F12/53 ,  B22F12/63 ,  C08K5/053

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：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：US12121973B2

公开(公告)日：2024-10-22

申请号：US18125042

申请日：2023-03-22

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

Inventor： Mohammed S. Shaarawi ,  James McKinnell ,  Vladek Kasperchik ,  David A. Champion ,  Greg Scott Long

IPC: B22F12/63 ,  B22F1/10 ,  B22F1/107 ,  B22F9/04 ,  B22F10/14 ,  B22F10/20 ,  B22F10/64 ,  B29C64/165 ,  B29C67/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y40/20 ,  B33Y70/00 ,  B22F10/28 ,  B22F10/32 ,  B22F10/50 ,  B22F12/52 ,  B22F12/67 ,  B33Y70/10

CPC classification number: B22F9/04 ,  B22F1/10 ,  B22F1/107 ,  B22F10/14 ,  B22F10/20 ,  B22F10/64 ,  B29C64/165 ,  B29C67/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y40/20 ,  B33Y70/00 ,  B22F2009/041 ,  B22F10/28 ,  B22F10/32 ,  B22F10/50 ,  B22F12/52 ,  B22F12/63 ,  B22F12/67 ,  B33Y70/10

Abstract: In a three-dimensional printing method example, a liquid functional agent is selectively applied. The liquid functional agent includes an alloying agent. A metallic build material is applied. The liquid functional agent is selectively applied before the metallic build material, after the metallic build material, or both before and after the metallic build material. The liquid functional agent patterns the metallic build material to form a composite layer. At least some of the metallic build material is exposed to energy to melt the at least some of the metallic build material to form a layer. Upon contact or after energy exposure, the alloying agent and the build material alter a composition of the composite layer.

公开(公告)号：US20240269921A1

公开(公告)日：2024-08-15

申请号：US18290309

申请日：2021-06-03

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

Inventor： Karsten N. Wilson ,  Emre Hiro Discekici ,  Vladek Kasperchik ,  Timothy L. Weber ,  Sterling Chaffins ,  Devin Alexander Mourey

IPC: B29C64/165 ,  B29C64/188 ,  B29C64/264 ,  B29K221/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/20

CPC classification number: B29C64/165 ,  B29C64/188 ,  B29C64/264 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/20 ,  B29K2221/00

Abstract: Methods of three-dimensional printing can include iteratively applying a polymer build material as individual layers to a powder bed, where the polymer build material includes from about 80 wt % to 100 wt % polymer build particles, and based on a three-dimensional object model, selectively applying a binder agent including an aqueous liquid vehicle and polymer binder particles onto the individual layers of the polymer build material. The polymer binder particles have or are capable of having a melting temperature lower than a melting temperature of the polymer build particles. The methods can include exposing the powder bed to heat at a temperature less than a melting point of the polymer build particles but greater than a melting temperature of the polymer binder particles. The heat causes the polymer binder particles to melt to adhere the polymer build particles together to form a three-dimensional object.

公开(公告)号：US12042860B2

公开(公告)日：2024-07-23

申请号：US18199945

申请日：2023-05-20

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

Inventor： Vladek Kasperchik ,  Mohammed S. Shaarawi ,  James McKinnell ,  Tienteh Chen

IPC: B22F1/10 ,  B22F1/05 ,  B22F1/102 ,  B22F1/16 ,  B22F10/10 ,  B22F10/14 ,  B22F10/73 ,  B29C64/165 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y70/10 ,  C08F2/22 ,  C08F212/08 ,  C08F220/14 ,  C08K3/11 ,  C09D11/037 ,  C09D11/322 ,  C09D11/38 ,  B22F10/28 ,  B82Y30/00

CPC classification number: B22F1/10 ,  B22F1/05 ,  B22F1/102 ,  B22F1/16 ,  B22F10/10 ,  B22F10/14 ,  B22F10/73 ,  B29C64/165 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y70/10 ,  C08F2/22 ,  C08F212/08 ,  C08F220/14 ,  C08K3/11 ,  C09D11/037 ,  C09D11/322 ,  C09D11/38 ,  B22F10/28 ,  B22F2304/10 ,  B22F2998/10 ,  B82Y30/00 ,  B22F2998/10 ,  B22F10/14 ,  B22F3/1021 ,  B22F2998/10 ,  B22F10/14 ,  B22F3/10

Abstract: An example of a method for making a build material composition for three-dimensional (3D) printing includes freezing a dispersion of flow additive nanoparticles in a liquid to form a frozen liquid containing the flow additive nanoparticles. The frozen liquid containing the flow additive nanoparticles is lyophilized to form flow additive agglomerates having a porous, fractal structure. The flow additive agglomerates are mixed with a host metal. The flow additive nanoparticles have an average flow additive particle size ranging from about 1 to about 3 orders of magnitude smaller than an average host metal particle size of the host metal.

公开(公告)号：US20230294172A1

公开(公告)日：2023-09-21

申请号：US18199945

申请日：2023-05-20

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

Inventor： Vladek Kasperchik ,  Mohammed S. Shaarawi ,  James McKinnell ,  Tienteh Chen

IPC: B22F10/73 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y70/10 ,  C08F2/22 ,  C08F212/08 ,  C08F220/14 ,  C09D11/037 ,  C09D11/322 ,  C09D11/38 ,  B29C64/165 ,  B22F10/14 ,  C08K3/11 ,  B22F1/10 ,  B22F1/05 ,  B22F1/102 ,  B22F1/16 ,  B22F10/10

CPC classification number: B22F10/73 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y70/10 ,  C08F2/22 ,  C08F212/08 ,  C08F220/14 ,  C09D11/037 ,  C09D11/322 ,  C09D11/38 ,  B29C64/165 ,  B22F10/14 ,  C08K3/11 ,  B22F1/10 ,  B22F1/05 ,  B22F1/102 ,  B22F1/16 ,  B22F10/10 ,  B22F2304/10 ,  B22F2998/10 ,  B82Y30/00

Abstract: An example of a method for making a build material composition for three-dimensional (3D) printing includes freezing a dispersion of flow additive nanoparticles in a liquid to form a frozen liquid containing the flow additive nanoparticles. The frozen liquid containing the flow additive nanoparticles is lyophilized to form flow additive agglomerates having a porous, fractal structure. The flow additive agglomerates are mixed with a host metal. The flow additive nanoparticles have an average flow additive particle size ranging from about 1 to about 3 orders of magnitude smaller than an average host metal particle size of the host metal.

公开(公告)号：US11633782B2

公开(公告)日：2023-04-25

申请号：US16073173

申请日：2016-04-19

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

Inventor： Mohammed S. Shaarawi ,  James McKinnell ,  Vladek Kasperchik ,  David A. Champion ,  Greg Scott Long

IPC: B22F3/105 ,  B22F1/107 ,  B33Y70/00 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/165 ,  B33Y40/00 ,  B29C67/00 ,  B22F10/20 ,  B22F10/50 ,  B22F10/28 ,  B22F10/32 ,  B22F9/04 ,  B33Y70/10

Abstract: In a three-dimensional printing method example, a liquid functional agent is selectively applied. The liquid functional agent includes an alloying agent. A metallic build material is applied. The liquid functional agent is selectively applied before the metallic build material, after the metallic build material, or both before and after the metallic build material. The liquid functional agent patterns the metallic build material to form a composite layer. At least some of the metallic build material is exposed to energy to melt the at least some of the metallic build material to form a layer. Upon contact or after energy exposure, the alloying agent and the build material alter a composition of the composite layer.

公开(公告)号：US11318669B2

公开(公告)日：2022-05-03

申请号：US15763172

申请日：2016-01-29

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

Inventor： Mohammed S. Shaarawi ,  Vladek Kasperchik ,  James McKinnell ,  David A. Champion

IPC: B29C64/165 ,  B33Y70/00 ,  B33Y10/00 ,  B33Y30/00 ,  B28B1/00 ,  C04B35/111 ,  C04B35/46 ,  C04B35/486 ,  C04B35/491 ,  C04B35/447 ,  C04B35/26 ,  C04B35/56 ,  C04B35/14 ,  C04B35/468 ,  C04B35/636 ,  C04B35/565 ,  C04B35/632 ,  C04B35/584 ,  B22F10/10 ,  B33Y50/02 ,  B29C64/20 ,  B29C64/393 ,  B29K505/00 ,  B29K509/02

Abstract: In a three-dimensional printing method example, a liquid functional agent is selectively applied. The liquid functional agent includes i) an energy source material or ii) an energy sink material. A metallic or ceramic build material is applied. The liquid functional agent is selectively applied any of before the metallic or ceramic build material, after the metallic or ceramic build material, or both before and after the metallic or ceramic build material. The liquid functional agent patterns the metallic or ceramic build material to form a composite layer. At least some of the metallic or ceramic build material is exposed to energy. A reaction involving i) the energy source material or ii) the energy sink material is initiated to alter a thermal condition of the composite layer.

公开(公告)号：US11292189B2

公开(公告)日：2022-04-05

申请号：US16488715

申请日：2017-11-17

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

Inventor： Andrew Van Brocklin ,  Kevin P. DeKam ,  Vladek Kasperchik ,  Johnathon Holroyd ,  Douglas Pederson ,  Sterling Chaffins

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

Abstract: In an example of a method for three-dimensional (3D) printing, a polymeric or polymeric composite build material is applied. A dielectric agent is selectively applied on at least a portion of the polymeric or polymeric composite build material. The dielectric agent includes a dielectric material having an effective relative permittivity (εr) value ranging from 1.1 to about 10,000. A fusing agent is selectively applied on the at least the portion of the polymeric or polymeric composite build material, and the polymeric or polymeric composite build material is exposed to radiation to fuse the at least the portion of the polymeric or polymeric composite build material to form a region of a layer of a 3D part. The region exhibits a dielectric property, a piezoelectric property, or a combination thereof.

公开(公告)号：US20220032373A1

公开(公告)日：2022-02-03

申请号：US17052561

申请日：2019-03-15

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

Inventor： Cory J. Ruud ,  Vladek Kasperchik ,  Natalie Harvey

IPC: B22F10/14 ,  C09D11/107 ,  C09D11/38

Abstract: Described herein are compositions, kits, methods, and systems for printing metal three-dimensional objects. In an example, described is a binding fluid composition for three-dimensional printing, the composition comprising: an aqueous liquid vehicle comprising at least one diol; and latex polymer particles dispersed in the aqueous liquid vehicle.