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公开(公告)号：US11753703B2
公开(公告)日：2023-09-12
申请号：US17047467
申请日：2018-10-25
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Vladek Kasperchik , Mohammed S. Shaarawi , James McKinnell
IPC: B33Y10/00 , C08K3/11 , B33Y70/10 , B22F10/14 , B22F3/10 , B22F1/05 , B22F1/10 , B22F1/145 , B22F1/14 , B22F1/052 , C22C1/05 , B33Y40/20 , C08K3/04
CPC classification number: C22C1/05 , B22F1/05 , B22F1/052 , B22F1/10 , B22F1/14 , B22F1/147 , B22F3/1007 , B22F3/1021 , B22F10/14 , B33Y10/00 , B33Y40/20 , B33Y70/10 , C08K3/04 , C08K3/11 , B22F2301/35 , B22F2302/40 , B22F2304/054 , B22F2304/056 , B22F2304/10 , B22F2998/10 , B22F1/10 , B22F10/14 , B22F3/1021 , B22F2201/013 , B22F2201/03
Abstract: A three-dimensional printing kit can include a binder fluid and a particulate build material. The particulate build material can include metal particles in an amount from about 95 wt % to about 99.995 wt % and carbon black particles in an amount from about 0.005 wt % to about 2 wt %, wherein weight percentages are based on a total weight of the particulate build material.
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公开(公告)号：US11534824B2
公开(公告)日：2022-12-27
申请号：US16499572
申请日：2018-04-19
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Vladek Kasperchik , Mohammed S. Shaarawi , James McKinnell , Michael G. Monroe , Jason Hower
IPC: B22F1/10 , B33Y10/00 , B33Y40/10 , B33Y70/10 , B22F10/10 , C08F2/22 , C08F212/08 , C08F220/14 , C09D11/037 , C09D11/322 , C09D11/38 , B33Y70/00 , B29C64/165 , B22F10/14 , C08K3/11 , B22F1/05 , B22F1/102 , B22F1/16 , B22F10/73 , B82Y30/00
Abstract: An example of a composition includes a host metal present in an amount ranging from about 95.00 weight percent to about 99.99 weight percent, based on a total weight of the composition. A flow additive is present in an amount ranging from about 0.01 weight percent to about 5.00 weight percent, based on the total weight of the composition. The flow additive consists of a metal containing compound that is reducible to an elemental metal in a reducing environment at a reducing temperature less than or equal to a sintering temperature of the host metal. The elemental metal is capable of being incorporated into a bulk metal phase of the host metal in a final metal object. The composition is spreadable, having a Hausner Ratio less than 1.25.
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公开(公告)号：US20210331243A1
公开(公告)日：2021-10-28
申请号：US16490922
申请日：2018-02-28
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Mohammed S Shaarawi , James McKinnell , David A Champion , Vladek Kasperchik
Abstract: In an example of a method for three-dimensional (3D) printing, build material layers are patterned to form an intermediate structure. During patterning, a binding agent is selectively applied to define: a build material support structure and a patterned intermediate part. Also during patterning, i) the binding agent and a separate agent including a gas precursor or ii) a combined agent including a binder and the gas precursor are selectively applied to define a patterned breakable connection between at least a portion of the build material support structure and at least a portion patterned intermediate part. The intermediate structure is heated to a temperature that activates the gas precursor to create gas pockets in the patterned breakable connection.
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公开(公告)号：US20210331236A1
公开(公告)日：2021-10-28
申请号：US16605559
申请日：2018-07-18
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Vladek Kasperchik , Mohammed S. Shaarawi , James McKinnell
Abstract: A three-dimensional printing kit can include a binder fluid, a gas-precursor fluid, and a particulate build material including metal particles. The binder fluid can include latex particles and an aqueous liquid vehicle. The gas-precursor fluid can include carbon black pigment dispersed in a second aqueous liquid vehicle.
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公开(公告)号：US20210245247A1
公开(公告)日：2021-08-12
申请号：US17047513
申请日：2018-10-29
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Jason C. Hower , Mohammed S. Shaarawi , Vladek P. Kasperchik , James McKinnell , Jennifer L. Wu
Abstract: In an example of a method for three-dimensional printing, a first amount of a binding agent is selectively applied, based on a 3D object model, to individual build material layers of a particulate build material including metal particles to forming an intermediate structure. The binding agent and/or a void-formation agent is selectively applied, based on the 3D object model, to at least one interior layer of the individual build material layers so that a total amount of the binding agent, the void-formation agent, or both the binding agent and the void-formation agent in the at least one of the individual build material layers is greater than the first amount. This patterns an area that is to contain voids. The intermediate structure is heated to form a 3D structure including a void-containing breakable connection.
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Patent Agency Ranking
公开(公告)号：US20180039308A1
公开(公告)日：2018-02-08
申请号：US15546951
申请日：2015-04-20
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： David A. Moore , Kianoush Naeli , Valerie J. Marty , James McKinnell
Abstract: An electronic device includes a housing enclosure, which at least sealingly contains an electronic component, a barrier, a pump, and a coolant. The electronic component is located on a substrate, while the barrier defines a circulation loop in which the coolant is exposed to the electronic component. The pump is positioned within the circulation loop to cause flow of the coolant through the circulation loop.
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公开(公告)号：US12023738B2
公开(公告)日：2024-07-02
申请号：US17866435
申请日：2022-07-15
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Mohammed S. Shaarawi , James McKinnell , David A. Champion , Vladek P. Kasperchik
IPC: B33Y30/00 , B22F1/05 , B22F3/10 , B22F5/00 , B22F10/00 , B22F10/14 , B22F10/32 , B22F10/43 , B22F10/47 , B22F10/64 , B22F10/68 , B22F10/85 , B29C64/165 , B29C64/393 , B33Y10/00 , B33Y40/00 , B33Y40/20 , B33Y50/02 , B33Y70/00 , B33Y70/10 , B33Y80/00 , C09D11/033 , C09D11/38 , B29K505/00
CPC classification number: B22F5/003 , B22F1/05 , B22F3/1021 , B22F10/00 , B22F10/14 , B22F10/32 , B22F10/43 , B22F10/47 , B22F10/64 , B22F10/68 , B22F10/85 , B29C64/165 , B29C64/393 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y40/20 , B33Y50/02 , B33Y70/00 , B33Y70/10 , B33Y80/00 , C09D11/033 , C09D11/38 , B22F2201/013 , B22F2302/10 , B22F2302/45 , B22F2998/10 , B22F2999/00 , B29K2505/00 , B22F2998/10 , B22F10/14 , B22F3/1017 , B22F2201/013 , B22F5/003
Abstract: An apparatus is disclosed to create a breakaway junction for 3D printed parts. Powder is spread along a target zone, such as a build bed. A liquid functional agent is selectively dispensed upon the powder to form a 3D object, a supporting part, and the breakaway junction between them.
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公开(公告)号：US11958110B2
公开(公告)日：2024-04-16
申请号：US17047513
申请日：2018-10-29
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Jason C. Hower , Mohammed S. Shaarawi , Vladek P. Kasperchik , James McKinnell , Jennifer L. Wu
Abstract: In an example of a method for three-dimensional printing, a first amount of a binding agent is selectively applied, based on a 3D object model, to individual build material layers of a particulate build material including metal particles to forming an intermediate structure. The binding agent and/or a void-formation agent is selectively applied, based on the 3D object model, to at least one interior layer of the individual build material layers so that a total amount of the binding agent, the void-formation agent, or both the binding agent and the void-formation agent in the at least one of the individual build material layers is greater than the first amount. This patterns an area that is to contain voids. The intermediate structure is heated to form a 3D structure including a void-containing breakable connection.
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公开(公告)号：US20230219137A1
公开(公告)日：2023-07-13
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
CPC classification number: B22F10/14 , B29C64/165 , B22F10/64 , B33Y10/00 , B33Y30/00 , B33Y70/10 , B33Y40/20
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.
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公开(公告)号：US11583920B2
公开(公告)日：2023-02-21
申请号：US16077772
申请日：2017-10-12
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Vladek Kasperchik , Mohammed S. Shaarawi , James McKinnell
IPC: B33Y70/00 , B33Y10/00 , B33Y30/00 , B29C64/165 , B22F10/14 , B22F1/10 , B22F10/10 , B33Y70/10 , B22F10/50 , B22F3/10 , B29C64/295 , B29C64/209 , C08L13/02 , B22F1/05 , C08K5/053 , B22F1/103
Abstract: An example of a method, for three-dimensional (3D) printing, includes applying a build material and patterning at least a portion of the build material. The patterning includes selectively applying a wetting amount of a binder fluid on the at least the portion of the build material and subsequently selectively applying a remaining amount of the binder fluid on the at least the portion of the build material. An area density in grams per meter square meter (gsm) of the wetting amount ranges from about 2 times less to about 30 times less than area density in gsm of the remaining amount.
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