公开(公告)号：US20140267485A1

公开(公告)日：2014-09-18

申请号：US13836433

申请日：2013-03-15

Applicant: XEROX CORPORATION

Inventor： Joannes N. M. de Jong ,  Barry P. Mandel

IPC: B41J13/00

CPC classification number: B41J13/0009 ,  B41J11/0035 ,  B41J11/0095

Abstract: Embodiments described herein are directed to a system for reducing velocity transits in a printing system caused by media entering into a transfer nip. The system includes: an imaging drum, a variable speed motor, a transfix roll, a transfix nip, a media transport, a thickness sensor, a skew sensor, a media sensor, a switching means and a controller. Media thickness and/or media skew measurements are used in a feedforward control scheme to increase the imaging drum torque when the media sensor detects a media immediately before it is engaged by the transfer nip.

Abstract translation: 本文描述的实施例涉及一种用于减少由介质进入转印辊隙所引起的印刷系统中的速度转变的系统。 该系统包括：成像鼓，变速电动机，转印辊，转印辊隙，介质传送器，厚度传感器，偏斜传感器，介质传感器，切换装置和控制器。 在前馈控制方案中使用介质厚度和/或介质偏移测量值，以在介质传感器在其被转印辊隙接合之前检测到介质时增加成像鼓转矩。

公开(公告)号：US20230143131A1

公开(公告)日：2023-05-11

申请号：US18153888

申请日：2023-01-12

Applicant: Xerox Corporation

Inventor： Barry P. Mandel ,  David A. Mantell ,  Chu-Heng Liu ,  Mandakini Kanungo

IPC: B29C64/165 ,  B29C64/236 ,  B29C64/314 ,  B33Y40/00

CPC classification number: B29C64/165 ,  B29C64/236 ,  B29C64/314 ,  B33Y40/00 ,  B33Y10/00

Abstract: A three-dimensional object printer includes at least one ejector that is operated to form an uppermost layer of photopolymer material on a substrate. The ejected uppermost photopolymer layer is partially cured and a portion of mesh sheet is positioned on the partially cured layer before the at least one eject continues to eject photopolymer material onto the uppermost layer. The portion of the mesh sheet reinforces the layers of photopolymer material and adds strength and durability to the overall part being formed with the photopolymer material.

公开(公告)号：US11034074B2

公开(公告)日：2021-06-15

申请号：US16405206

申请日：2019-05-07

Applicant: Xerox Corporation

Inventor： Barry P. Mandel ,  David A. Mantell ,  Peter J. Nystrom

IPC: B29C48/92 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B29C48/02 ,  B29C48/25 ,  B29C64/118

Abstract: A controller operates a first actuator to produce relative movement between a multi-nozzle extrusion printhead and a support member along a predetermined path for one layer of a three-dimensional printed object. The multi-nozzle extrusion printhead includes a housing with a chamber, a valve assembly having a plurality of passageways, and a planar member having a plurality of nozzles. The passageways of the valve assembly and the nozzles of the planar member are connected to one another in a one-to-one correspondence and valve members of the valve assembly are operated to open and close melted extruded material flow to the nozzles selectively and independently.

公开(公告)号：US10406803B2

公开(公告)日：2019-09-10

申请号：US15372988

申请日：2016-12-08

Applicant: Xerox Corporation

Inventor： Jeffrey J. Folkins ,  Barry P. Mandel

IPC: B33Y80/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/112 ,  B29C64/386 ,  B29C64/40 ,  B29K105/00 ,  B29L31/52

Abstract: A method of manufacturing a three-dimensional object comprises: selecting a first ejector in a plurality of ejectors of a three-dimensional object printer with reference to a hardness identifier, the first ejector configured to eject a first material; selecting a second ejector in the plurality of ejectors with reference to a color identifier, the second ejector configured to eject a second material having a hardness that is different than a hardness of the first material; operating the first ejector to eject the first material toward a platen to form an inner portion of the object with the first material; and operating the second ejector to eject the second material toward the platen to form an outer layer of the object with the second material, the outer layer of the object surrounding at least a portion of the inner portion of the object.

公开(公告)号：US20190255755A1

公开(公告)日：2019-08-22

申请号：US16405206

申请日：2019-05-07

Applicant: Xerox Corporation

Inventor： Barry P. Mandel ,  David A. Mantell ,  Peter J. Nystrom

IPC: B29C48/92 ,  B29C48/02 ,  B33Y30/00 ,  B33Y50/02 ,  B29C48/25 ,  B33Y10/00 ,  B29C64/386 ,  B29C64/106

Abstract: A controller operates a first actuator to produce relative movement between a multi-nozzle extrusion printhead and a support member along a predetermined path for one layer of a three-dimensional printed object. The multi-nozzle extrusion printhead includes a housing with a chamber, a valve assembly having a plurality of passageways, and a planar member having a plurality of nozzles. The passageways of the valve assembly and the nozzles of the planar member are connected to one another in a one-to-one correspondence and valve members of the valve assembly are operated to open and close melted extruded material flow to the nozzles selectively and independently.

公开(公告)号：US20170334137A1

公开(公告)日：2017-11-23

申请号：US15156366

申请日：2016-05-17

Applicant: Xerox Corporation

Inventor： Peter J. Nystrom ,  Barry P. Mandel ,  David A. Mantell ,  Paul J. McConville

IPC: B29C64/295 ,  B29C64/393 ,  B29C64/40 ,  B29K101/12 ,  B33Y50/02 ,  B33Y10/00 ,  B33Y30/00

CPC classification number: B29C64/295 ,  B29C64/118 ,  B29C64/245 ,  B29C64/393 ,  B29C64/40 ,  B29K2101/12 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: A three-dimensional object printing system improves the interlayer adhesion of an object. The printing system includes a platform on which a three-dimensional object is built. A material applicator in the printing system expels material to form layers of the object on the platform. The material applicator also includes a heater configured to heat the layer of the object ahead of the material applicator when the material applicator moves in a first direction and a second direction, both directions being parallel to the platform.

公开(公告)号：US20170144376A1

公开(公告)日：2017-05-25

申请号：US14945828

申请日：2015-11-19

Applicant: Xerox Corporation

Inventor： Chu-Heng Liu ,  David A. Mantell ,  Barry P. Mandel ,  Mandakini Kanungo

IPC: B29C67/00 ,  G05B19/4099

CPC classification number: G05B19/4099 ,  B29C64/124 ,  B29C70/70 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y80/00 ,  G05B2219/35134 ,  G05B2219/49007

Abstract: A three-dimensional object printer uses stereolithography to form a structure and then embed one or more objects in the structure. The printer includes a controller that operates a source of ultraviolet (UV) radiation to cure a portion of a liquid photopolymer at an interface between the liquid photopolymer and the external surface of an embedded object with reference to a meniscus formed between the liquid photopolymer and the external surface of an embedded object. The incorporation of the embedded object speeds formation of the final object and increases the durability of the final object.

公开(公告)号：US20170129179A1

公开(公告)日：2017-05-11

申请号：US14938227

申请日：2015-11-11

Applicant: Xerox Corporation

Inventor： Barry P. Mandel ,  David A. Mantell ,  Chu-Heng Liu ,  Mandakini Kanungo

IPC: B29C67/00

CPC classification number: B29C64/165 ,  B29C64/20 ,  B29C64/386 ,  B29K2105/08 ,  B29K2105/12 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02

Abstract: A three-dimensional object printer includes a controller that operates at least one ejector to place a layer of photopolymer material on a substrate. The controller is configured to cure the ejected photopolymer layer partially and position fiber on the cured layer before continuing to eject photopolymer material onto the fibers. The fibers can be loose or organized into a mesh. The pieces of mesh position on a cured layer can be pre-cut or a cutting device can be operated to cut pieces of mesh having a shape that corresponds to the shape of the layer of photopolymer material. The fibers reinforce the layers of photopolymer material and add strength and durability to the overall part being formed with the photopolymer material.

公开(公告)号：US20190111614A1

公开(公告)日：2019-04-18

申请号：US16217502

申请日：2018-12-12

Applicant: Xerox Corporation

Inventor： Barry P. Mandel ,  James L. Giacobbi ,  Paul J. McConville ,  David A. Mantell ,  James J. Spence ,  James P. Calamita

IPC: B29C64/112 ,  B29C64/209 ,  B41J2/51 ,  B33Y50/02 ,  B29C64/20 ,  B33Y30/00 ,  B41J2/145 ,  B29C64/386 ,  B33Y10/00

CPC classification number: B29C64/112 ,  B29C64/20 ,  B29C64/209 ,  B29C64/386 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B41J2/145 ,  B41J2/51

Abstract: A printer is configured with at least two printheads that are separated from one another in a cross-process direction by an integral multiple of printhead widths. This configuration enables parallel swaths of material to be ejected and then movement of the printheads in the cross-process direction by a distance corresponding to one or more integral numbers of the printhead width enables the area between the swaths to be completed and the area outside of the original swaths printed.

公开(公告)号：US20180162063A1

公开(公告)日：2018-06-14

申请号：US15372988

申请日：2016-12-08

Applicant: Xerox Corporation

Inventor： Jeffrey J. Folkins ,  Barry P. Mandel

IPC: B29C67/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y80/00

CPC classification number: B33Y80/00 ,  B29C64/112 ,  B29C64/386 ,  B29C64/40 ,  B29K2105/0058 ,  B29K2995/002 ,  B29L2031/5209 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: A method of manufacturing a three-dimensional object comprises: selecting a first ejector in a plurality of ejectors of a three-dimensional object printer with reference to a hardness identifier, the first ejector configured to eject a first material; selecting a second ejector in the plurality of ejectors with reference to a color identifier, the second ejector configured to eject a second material having a hardness that is different than a hardness of the first material; operating the first ejector to eject the first material toward a platen to form an inner portion of the object with the first material; and operating the second ejector to eject the second material toward the platen to form an outer layer of the object with the second material, the outer layer of the object surrounding at least a portion of the inner portion of the object.