公开(公告)号：US12076976B2

公开(公告)日：2024-09-03

申请号：US17412671

申请日：2021-08-26

Applicant: Xerox Corporation

Inventor： Dara N. Lubin ,  Elizabeth L Barrese ,  Ron E. Dufort ,  Matthew J. Ochs

IPC: G06K15/02 ,  B41F33/00 ,  G01N21/88

CPC classification number: B41F33/0036 ,  G01N21/8851 ,  G01N2021/8874 ,  G01N2021/8887

Abstract: A processor identifies print defect locations where printing defects occur and a assigns different sensitivity values to different zones of a job image being prepared for printing by a printing engine. The processor changes the orientation of the job image to a revised orientation, relative to print media, to avoid locating one or more high-sensitivity zones of the job image in the print defect locations. The high-sensitivity zones are ones of the zones having a sensitivity value above a threshold sensitivity value. The printing engine prints the job image on the print media at the revised orientation.

公开(公告)号：US20230241897A1

公开(公告)日：2023-08-03

申请号：US17649417

申请日：2022-01-31

Applicant: Xerox Corporation

Inventor： Ron E. Dufort ,  Elizabeth L. Barrese ,  Dara N. Lubin ,  Matthew J. Ochs

IPC: B41J2/175 ,  B41J2/045 ,  B41J11/00 ,  B41J2/14

CPC classification number: B41J2/1752 ,  B41J2/04505 ,  B41J11/0095 ,  B41J2/14153

Abstract: An inkjet printer detects vibrations within the printer and compensates for the detected vibrations by adjusting a gap between the printheads and the media transport. Additionally, the inkjet printer detects media sheet heights that may cause damage as they pass through the print zone of the printer and adjusts the gap to enable the media sheets to pass through the print zone without contacting the printheads. A method of operating an inkjet printer so configured is also disclosed.

公开(公告)号：US10391712B2

公开(公告)日：2019-08-27

申请号：US15047206

申请日：2016-02-18

Applicant: Xerox Corporation

Inventor： Linn C. Hoover ,  Erwin Ruiz ,  Ron E. Dufort ,  Patrick J. Howe

IPC: B29C64/40 ,  B29C64/386 ,  B29C64/379 ,  B29C64/393 ,  B33Y99/00 ,  B33Y40/00 ,  B29C64/35 ,  B08B3/02 ,  B08B5/02 ,  B33Y10/00

Abstract: A method of operating a cleaning system removes support material from parts made by a three-dimensional printer. The method operates the cleaning system to correlate data for features on a part located within a receptacle with structural data in a file used by the three-dimensional printer to fabricate the part. The method then operates one or more actuators to locate a fluid directing nozzle pneumatically connected to a pressurized fluid source opposite areas containing support material and operates the pressurized fluid source to enable pressurized fluid to be directed by the fluid directing nozzle at the support material. The method includes generating image data of the cleaned areas with an image sensor so the removal of the support material can be confirmed, and if an area is not sufficiently cleaned, the cleaning operation can be repeated.

公开(公告)号：US20170129183A1

公开(公告)日：2017-05-11

申请号：US14938301

申请日：2015-11-11

Applicant: Xerox Corporation

Inventor： Ron E. Dufort ,  Linn C. Hoover ,  Erwin Ruiz ,  Patrick J. Howe ,  Andrew W. Hays

IPC: B29C67/00

CPC classification number: B33Y10/00 ,  B29C64/112 ,  B29C64/386 ,  B29C64/40 ,  B29K2105/162 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02 ,  B33Y80/00

Abstract: A method of manufacturing a three-dimensional object facilitates the removal of support material from the object. The method includes forming at least a portion of a support for the object with support material containing nanoparticles of a material that readily converts microwave energy into heat. The object and support are moved to a position opposite a microwave radiator and the microwave radiator is operated to begin a change of the phase of the portion of the support material containing the nanoparticles before beginning a change of the phase of a portion of the support made from the support material alone. A controller either monitors the expiration of a predetermined time period or a temperature of the object to determine when the microwave radiator operation is terminated.

公开(公告)号：US20170129173A1

公开(公告)日：2017-05-11

申请号：US14937979

申请日：2015-11-11

Applicant: Xerox Corporation

Inventor： David A. Mantell ,  Andrew W. Hays ,  Linn C. Hoover ,  Ron E. Dufort ,  Erwin Ruiz ,  Patrick J. Howe

IPC: B29C67/00

CPC classification number: B29C64/112 ,  B29C64/171 ,  B29C64/176 ,  B29C64/182 ,  B29C64/35 ,  B29C64/386 ,  B29C64/40 ,  B29C71/0009 ,  B29C2035/0855 ,  B29K2105/162 ,  B29K2995/0006 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02 ,  B33Y80/00

Abstract: A method of manufacturing a three-dimensional object is disclosed. The method includes operating a first ejector of a three-dimensional object printer to eject a first material towards a platen to form an object. The method further includes operating a second ejector of the three-dimensional object printer to eject a second material towards the platen to form support for portions of the object, the support being configured to provide support for portions of the object during the operation of the first ejector to form the object, at least one portion of the support having a body with at least one fluid path that connects at least one opening in the body to at least one other opening in the body. The method further includes connecting a fluid source to the at least one fluid path of the support to enable fluid to flow through the at least one fluid path to remove at least an inner portion the support from the object.

公开(公告)号：US11327700B1

公开(公告)日：2022-05-10

申请号：US17142321

申请日：2021-01-06

Applicant: Xerox Corporation

Inventor： Elizabeth M. Crossen ,  Ron E. Dufort ,  Dara N. Lubin

IPC: G06F3/12

Abstract: Various systems and methods maintain a print job of a user in a print queue and identify the user approaching a printing device using a user identification device operatively connected to the printing device. Such systems/methods alter the position of the print job within the print queue (e.g., to a higher priority position) or even begin printing the print job when the user identification device identifies the user approaching the printing device (i.e., before the user reaches the printing device). Systems and methods can also identify the urgency of the user using the user identification device. The amount that the print queue is altered can be based on the amount that the urgency of the user is elevated.

公开(公告)号：US10710298B2

公开(公告)日：2020-07-14

申请号：US16166618

申请日：2018-10-22

Applicant: Xerox Corporation

Inventor： David A. Mantell ,  Andrew W. Hays ,  Linn C. Hoover ,  Ron E. Dufort ,  Erwin Ruiz ,  Patrick J. Howe

IPC: B29C64/112 ,  B05B11/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y80/00 ,  B33Y40/00 ,  B29C64/171 ,  B29C71/00 ,  B29C64/176 ,  B29C64/182 ,  B29C64/40 ,  B29C64/35 ,  B29C64/386 ,  B33Y50/02 ,  B29K105/16 ,  B29C35/08

Abstract: A system for producing three-dimensional objects forms fluid paths within the support structure to facilitate the removal of the support structure following manufacture of the object. The system includes a first ejector configured to eject a first material towards a platen to form an object, a second ejector configured to eject a second material towards the platen to form support for portions of the object, at least one portion of the support having a body with at least one fluid path that connects at least one opening in the body to at least one other opening in the body, and a fluid source that connects to the at least one fluid path of the support to enable fluid to flow through the at least one fluid path to remove at least an inner portion of the support from the object.

公开(公告)号：US10562211B2

公开(公告)日：2020-02-18

申请号：US15954869

申请日：2018-04-17

Applicant: Xerox Corporation

Inventor： Ron E. Dufort ,  Erwin Ruiz ,  Linn C. Hoover ,  David K. Ahl ,  Patrick J. Howe ,  Andrew W. Hays

IPC: B32B3/10 ,  B29C35/08 ,  B29C71/00 ,  B29C71/04 ,  H05B6/64 ,  H05B6/80 ,  B29C64/112 ,  B29C64/20 ,  B29C64/40 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y80/00

Abstract: A system for manufacturing a three-dimensional object facilitates the removal of support material from the object. The system includes a controller configured to move a platen to position the object at a position opposite a microwave radiator and then operate the microwave radiator to change the phase of the support material from solid to liquid. The controller either monitors the expiration of a predetermined time period or a temperature of the object to determine when the microwave radiator operation is terminated. The microwave radiation does not damage the object because the support material has a dielectric loss factor that is greater than the dielectric loss factor of the object.

公开(公告)号：US20180229405A1

公开(公告)日：2018-08-16

申请号：US15954869

申请日：2018-04-17

Applicant: Xerox Corporation

Inventor： Ron E. Dufort ,  Erwin Ruiz ,  Linn C. Hoover ,  David K. Ahl ,  Patrick J. Howe

IPC: B29C35/08 ,  B29C71/00 ,  B29C64/112 ,  B29C64/20 ,  B29C64/40 ,  B29C71/04 ,  H05B6/64 ,  H05B6/80 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y80/00

Abstract: A system for manufacturing a three-dimensional object facilitates the removal of support material from the object. The system includes a controller configured to move a platen to position the object at a position opposite a microwave radiator and then operate the microwave radiator to change the phase of the support material from solid to liquid. The controller either monitors the expiration of a predetermined time period or a temperature of the object to determine when the microwave radiator operation is terminated. The microwave radiation does not damage the object because the support material has a dielectric loss factor that is greater than the dielectric loss factor of the object.

公开(公告)号：US20170326801A1

公开(公告)日：2017-11-16

申请号：US15154220

申请日：2016-05-13

Applicant: Xerox Corporation

Inventor： Aaron M. Moore ,  Ron E. Dufort ,  Timothy G. Shelhart ,  Timothy D. Slattery

IPC: B29C64/307 ,  B29C64/40 ,  B29C65/30 ,  B29C64/30 ,  B33Y30/00 ,  B33Y40/00

CPC classification number: B29C64/188 ,  B29C64/30 ,  B29C64/307 ,  B29C64/393 ,  B29C64/40 ,  B29C65/30 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00

Abstract: A three-dimensional object printer comprises a conveyor having a surface configured to convey a three-dimensional object in a first direction; and a leveling assembly configured to level a surface of the three-dimensional object as the conveyer conveys the three-dimensional object in the first direction, the leveling assembly comprising (i) a roller having a cylindrical shape, the roller having an outer surface that moves upon the surface of the three-dimensional object to level the surface of the three-dimensional object; and (ii) a guide device arranged between the roller and the planar surface of the conveyer, the device being configured to mechanically interact with the roller to maintain a constant distance between the outer surface of the roller and the planar surface of the conveyer.