公开(公告)号：US20210283842A1

公开(公告)日：2021-09-16

申请号：US16608453

申请日：2017-10-23

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

Inventor： Brent Ewald ,  William Winters ,  Pierre J Kaiser

IPC: B29C64/218 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/25 ,  B29C64/255 ,  B28B1/00 ,  B22F12/63 ,  B22F12/00

Abstract: According to one aspect, there is provided apparatus for forming a layer of build material for three-dimensional printing. The apparatus comprises a spreader to spread a volume of build material to form a layer of build material on a build platform, wherein at least one end of the spreader is to remain a constant distance from a build material retaining wall in proximity to at least one edge of the build platform as the spreader is moved over the surface of the build platform, and further wherein at least a portion of the spreader is below the top of the retaining wall.

公开(公告)号：US11485077B2

公开(公告)日：2022-11-01

申请号：US16608453

申请日：2017-10-23

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

Inventor： Brent Ewald ,  William Winters ,  Pierre J Kaiser

IPC: B29C64/218 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/255 ,  B29C64/25 ,  B22F12/00 ,  B22F12/63 ,  B28B1/00

Abstract: According to one aspect, there is provided apparatus for forming a layer of build material for three-dimensional printing. The apparatus comprises a spreader to spread a volume of build material to form a layer of build material on a build platform, wherein at least one end of the spreader is to remain a constant distance from a build material retaining wall in proximity to at least one edge of the build platform as the spreader is moved over the surface of the build platform, and further wherein at least a portion of the spreader is below the top of the retaining wall.

公开(公告)号：US11167496B2

公开(公告)日：2021-11-09

申请号：US16074217

申请日：2016-09-20

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

Inventor： Wesley R Schalk ,  Matthew A Shepherd ,  Pierre J Kaiser ,  Al Olson

IPC: B29C64/393 ,  B29C64/153 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/35 ,  B29C64/165 ,  B29C64/25 ,  B33Y40/20

Abstract: According to one example, there is provided a method of generating three-dimensional objects in a three-dimensional printing system comprising a pair of movable build modules. The method comprises moving a first build module into a build position, executing a 3D print job in the first build module, moving the first build module into a post-build position, performing post-processing operations on the first build module, moving a second build module into the build position, and executing a 3D print job in the second build module.

公开(公告)号：US20180128454A1

公开(公告)日：2018-05-10

申请号：US15568976

申请日：2015-07-29

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

Inventor： Matthew A Shepherd ,  Wesley R Schalk ,  Pierre J Kaiser ,  Arthur H. Barnes ,  Matt G Driggers

IPC: F21V14/08 ,  H05B1/02 ,  H05B41/38

CPC classification number: F21V14/08 ,  F21L13/08 ,  H05B1/023 ,  H05B41/38

Abstract: In example implementations, an apparatus and method are provided. The apparatus includes a movable carriage, an energy source coupled to the movable carriage and a plurality of shutters coupled to the movable carriage. In one example, the plurality of shutters is coupled to the movable carriage along a length of the energy source. Each one of the plurality of shutters may be coupled to the movable carriage via respective coupling mechanism that provides a continuously variable movement of each one of the plurality of shutters.