公开(公告)号：US20220112393A1

公开(公告)日：2022-04-14

申请号：US17298927

申请日：2019-06-10

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

Inventor： Graciela E. Negri Jimenez ,  Michael A. Novick ,  Tienteh Chen ,  Jacob Wright

IPC: C09D11/54 ,  C08K5/5415 ,  C09D11/102 ,  B33Y70/00 ,  B33Y10/00 ,  B29C64/165

Abstract: A multi-fluid kit for three-dimensional printing can include a fusing agent with water and a radiation absorber, and a detailing agent. The radiation absorber can absorb radiation energy and converts the radiation energy to heat. The detailing agent can include water and from about 0.1 wt % to about 20 wt % organosilanes based on a total weight of the detailing agent, wherein the organosilanes include an organosilane compound with a central silicon having both a water-solubilizing group and multiple hydrolyzable groups attached thereto.

公开(公告)号：US20180022923A1

公开(公告)日：2018-01-25

申请号：US15546607

申请日：2015-04-24

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

Inventor： Ali Emamjomeh ,  Keshava A. Prasad ,  Michael A. Novick ,  Erica Montei Fung

IPC: C09B47/06 ,  C09B11/12 ,  C09B31/072 ,  B33Y70/00 ,  C09B33/10 ,  C09B45/28 ,  B29C64/10 ,  B33Y10/00 ,  C09D11/328 ,  C09B31/08

CPC classification number: C09B47/065 ,  B29C64/10 ,  B29C64/165 ,  B29K2105/0032 ,  B33Y10/00 ,  B33Y70/00 ,  C09B11/12 ,  C09B31/072 ,  C09B31/08 ,  C09B33/10 ,  C09B45/28 ,  C09B47/0678 ,  C09B47/26 ,  C09B67/0041 ,  C09D11/324 ,  C09D11/328

Abstract: A detailing agent for three-dimensional (3D) printing includes a colorant present in an amount ranging from about 1.00 wt % to about 3.00 wt % based on a total weight of the detailing agent. The colorant is a dye having substantially no absorbance in a range of 650 nm to 2500 nm. The detailing agent also includes a co-solvent, a surfactant, and a balance of water.

公开(公告)号：US20220184891A1

公开(公告)日：2022-06-16

申请号：US17414993

申请日：2019-07-29

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

Inventor： Michael A. Novick

IPC: B29C64/321 ,  B29C64/153 ,  B29C64/245 ,  B29C64/214 ,  B33Y10/00 ,  B33Y30/00

Abstract: A three-dimensional (3D) printing system may include a build volume having an underlying build platform, a chain link conveyor to deposit build material in a row and a spreader to spread the row over the build platform.

公开(公告)号：US10717232B2

公开(公告)日：2020-07-21

申请号：US16073278

申请日：2016-05-13

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

Inventor： Yi Feng ,  Erica Montei Fung ,  Michael A. Novick

IPC: B29C64/165 ,  B33Y70/00 ,  B29C64/20 ,  B33Y10/00 ,  C08K3/04 ,  B33Y30/00 ,  B33Y80/00 ,  B29C64/357 ,  B29K77/00 ,  B29K105/00

Abstract: The present disclosure is drawn to material sets for 3-dimensional printing, 3-dimensional printing systems, and 3-dimensional printed parts. A material set can include a polyamide polymer powder having an average particle size from 20 μm to 120 μm and a fusing agent. The polyamide-11 can have a solution viscosity from 1.5 to 1.75 at room temperature, and may increase by no more than 5% after exposure to 180° C. for 20 hours. The fusing agent can include an energy absorber capable of absorbing electromagnetic radiation to produce heat.

公开(公告)号：US10406744B2

公开(公告)日：2019-09-10

申请号：US15545143

申请日：2015-03-05

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

Inventor： Bernardo A. Gutierrez ,  Jacob T. Wright ,  Michael A. Novick

IPC: B29C64/10 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y30/00 ,  B29C64/386 ,  B29C64/165

Abstract: At least one agent distributor may be to selectively deliver coalescing agent onto portions of a layer of build material at a first density and at a second density lower than the first density. A controller may be to control the at least one agent distributor to selectively deliver the coalescing agent at the first and second densities onto respective first and second portions of the layer in respective first and second patterns derived from data representing the three-dimensional object to be generated, so that when energy is applied to the layer the build material may coalesce and solidify to form a slice of the three-dimensional object in accordance with the first pattern. The second portion may be in proximity to a boundary of the first portion. Presence of the coalescing agent in the second portion may be to prevent at least some heat from flowing away from the first portion when the energy is applied.

公开(公告)号：US10392512B2

公开(公告)日：2019-08-27

申请号：US15546607

申请日：2015-04-24

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

Inventor： Ali Emamjomeh ,  Keshava A. Prasad ,  Michael A. Novick ,  Erica Montei Fung

IPC: C09B47/06 ,  C09B11/12 ,  C09B31/072 ,  C09B33/10 ,  C09B45/28 ,  C09B31/08 ,  B33Y10/00 ,  B33Y70/00 ,  B29C64/10 ,  C09B47/067 ,  C09B47/26 ,  C09D11/324 ,  C09D11/328 ,  C09B67/22 ,  B29C64/165 ,  B29K105/00

Abstract: A detailing agent for three-dimensional (3D) printing includes a colorant present in an amount ranging from about 1.00 wt % to about 3.00 wt % based on a total weight of the detailing agent. The colorant is a dye having substantially no absorbance in a range of 650 nm to 2500 nm. The detailing agent also includes a co-solvent, a surfactant, and a balance of water.

公开(公告)号：US20180009157A1

公开(公告)日：2018-01-11

申请号：US15545143

申请日：2015-03-05

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

Inventor： Bernardo A. Gutierrez ,  Jacob T. Wright ,  Michael A. Novick

IPC: B29C64/10 ,  B33Y50/02 ,  B33Y10/00

CPC classification number: B29C64/10 ,  B29C64/165 ,  B29C64/386 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: At least one agent distributor may be to selectively deliver coalescing agent onto portions of a layer of build material at a first density and at a second density lower than the first density. A controller may be to control the at least one agent distributor to selectively deliver the coalescing agent at the first and second densities onto respective first and second portions of the layer in respective first and second patterns derived from data representing the three-dimensional object to be generated, so that when energy is applied to the layer the build material may coalesce and solidify to form a slice of the three-dimensional object in accordance with the first pattern. The second portion may be in proximity to a boundary of the first portion. Presence of the coalescing agent in the second portion may be to prevent at least some heat from flowing away from the first portion when the energy is applied.

公开(公告)号：US20210138724A1

公开(公告)日：2021-05-13

申请号：US16605113

申请日：2018-03-23

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

Inventor： Rachael Donovan ,  Yi Feng ,  Michael A. Novick ,  Bernardo A. Gutierrez ,  Mariya Gelman ,  Geoffrey Schmid ,  Carolin Fleischmann

IPC: B29C64/165 ,  B29C64/268 ,  B29C64/314 ,  B33Y70/00 ,  B29C64/218

Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a polyether block amide polymer. The fusing agent includes an energy absorber to absorb electromagnetic radiation to melt or fuse the at least a portion of the polyether block amide polymer.

公开(公告)号：US20190351608A1

公开(公告)日：2019-11-21

申请号：US16526076

申请日：2019-07-30

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

Inventor： Bernardo A. Gutierrez ,  Jacob T. Wright ,  Michael A. Novick

IPC: B29C64/10 ,  B29C64/165 ,  B29C64/386 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y30/00

Abstract: At least one agent distributor may be to selectively deliver coalescing agent onto portions of a layer of build material at a first density and at a second density lower than the first density. A controller may be to control the at least one agent distributor to selectively deliver the coalescing agent at the first and second densities onto respective first and second portions of the layer in respective first and second patterns derived from data representing the three-dimensional object to be generated, so that when energy is applied to the layer the build material may coalesce and solidify to form a slice of the three-dimensional object in accordance with the first pattern. The second portion may be in proximity to a boundary of the first portion. Presence of the coalescing agent in the second portion may be to prevent at least some heat from flowing away from the first portion when the energy is applied.

公开(公告)号：USD729030S1

公开(公告)日：2015-05-12

申请号：US29455715

申请日：2013-05-23

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

Designer： Michael A. Novick ,  Bernardo A. Gutierrez ,  Brandon Phong Khieu ,  Peter A. Ward