公开(公告)号：US10369744B2

公开(公告)日：2019-08-06

申请号：US15098825

申请日：2016-04-14

Applicant: Xerox Corporation

Inventor： James A. Winters ,  Erwin Ruiz ,  Paul J. McConville ,  Jason M. LeFevre ,  Chu-heng Liu

IPC: B29C64/165 ,  G03G15/16 ,  G03G15/22 ,  B33Y10/00 ,  B33Y30/00 ,  B29K105/00 ,  B29C64/223

Abstract: Layers of build and support material on an intermediate transfer surface are exposed to a solvent using a solvent application station to make the build material tacky, without affecting the support material. Then, the intermediate transfer surface moves past a transfuse station (the transfuse station is positioned to receive the layers after exposure to the solvent) and a platen moves relative to the intermediate transfer surface to contact the platen to one of the layers on the intermediate transfer surface. The intermediate transfer surface transfers a layer of the build material and the support material to the platen each time the platen contacts the layers on the intermediate transfer surface at the transfuse station to successively form a freestanding stack of the layers of build and support material on the platen.

公开(公告)号：US10279456B2

公开(公告)日：2019-05-07

申请号：US15477427

申请日：2017-04-03

Applicant: XEROX CORPORATION

Inventor： Paul M Fromm ,  Jeffrey J Bradway ,  Erwin Ruiz ,  Linn C Hoover

IPC: B25B11/00 ,  B33Y30/00 ,  B29C64/20

Abstract: A universal object holding mechanism for holding three-dimensional objects for printing thereon uses an array of suction cups reciprocally connected to a vacuum box to acquire objects from a staging platen while in a horizontal position and then pivot into a vertical position for movement of the objects past print heads. A plenum connected to the vacuum box is valve controlled to allow a low flow rate to the vacuum box to acquire objects and then a high flow rate pulse to close off all un-sealed suction cups with ball valves.

公开(公告)号：US10273102B1

公开(公告)日：2019-04-30

申请号：US15906603

申请日：2018-02-27

Applicant: Xerox Corporation

Inventor： Seemit Praharaj ,  Paul J. McConville ,  Douglas K. Herrmann ,  Jason M. LeFevre ,  Chu-heng Liu ,  Erwin Ruiz ,  Paul M. Fromm ,  Linn C. Hoover ,  David A. VanKouwenberg ,  Jeffrey J. Bradway ,  Martin E. Hoover ,  Bruce H. Smith ,  Donald Thresh ,  James D. Van Bortel ,  Michael N. Soures ,  Jonathan R. Ireland

IPC: B65H7/14 ,  B41J11/00 ,  G03G15/00 ,  B65H5/22 ,  B65H5/02 ,  G01B11/04 ,  B65H5/00

Abstract: Printing devices include a media supply storing print media, a luminescent belt positioned adjacent the media supply in a location to move sheets of the print media from the media supply, a print engine positioned adjacent the luminescent belt in a location to receive the sheets from the luminescent belt, an optical sensor positioned adjacent the belt in a location to receive belt-emitted light from the luminescent belt, and a processor electrically connected to the optical sensor. The processor receives the image from the optical sensor and identifies locations of the sheets on the belt based on where the sheets block the belt-emitted light from the luminescent belt.

公开(公告)号：US10137634B2

公开(公告)日：2018-11-27

申请号：US15140589

申请日：2016-04-28

Applicant: Xerox Corporation

Inventor： Erwin Ruiz ,  Paul J. McConville ,  Chu-heng Liu ,  James A. Winters ,  Jason M. LeFevre

IPC: B29C64/20 ,  B33Y30/00 ,  B29C64/264 ,  B22F3/105 ,  B33Y10/00 ,  B29C64/153 ,  B29C64/35 ,  B29C64/205 ,  B29C64/223 ,  B29K105/00

Abstract: A 3-D printer includes a development station positioned to electrostatically transfer layers of material to an intermediate transfer surface, and a transfer station adjacent the intermediate transfer surface. The transfer station is positioned to receive the layers as the intermediate transfer surface moves past the transfer station. Also, a platen is included that moves relative to the intermediate transfer surface. The intermediate transfer surface transfers a layer of the material to the platen each time the platen contacts one of the layers on the intermediate transfer surface at the transfer station to successively form a freestanding stack of the layers on the platen. A fusing station is positioned to apply light to each layer, after each layer is transferred from the transfer station to the platen. The fusing station selectively applies the light to sinter a portion of the material within the layer.

公开(公告)号：US10087020B1

公开(公告)日：2018-10-02

申请号：US15626200

申请日：2017-06-19

Applicant: XEROX CORPORATION

Inventor： Erwin Ruiz ,  Linn C Hoover ,  Jeffrey J Bradway ,  Paul M Fromm

IPC: B65G47/91 ,  B33Y40/00 ,  B25J15/06 ,  B25J15/00

Abstract: A system for securing, holding and aligning an object in a rigid subassembly include a conformable gripper ball. The gripper ball having the capability to conform to an object and then hold the object after contact. The conformability of the gripper ball is changed with air pressure to allow the gripper ball to hold the object. The gripper ball is mounted onto a rigid frame, which can then be docked into a loading station of a printer that prints on 3-D objects. With the addition of a vision system, the gripper assembly could be used with alignment markings on the loading station to allow manual alignment of the object to the rigid subassembly prior to loading into the printer.

公开(公告)号：US10040250B2

公开(公告)日：2018-08-07

申请号：US15098726

申请日：2016-04-14

Applicant: Xerox Corporation

Inventor： Chu-heng Liu ,  Paul J. McConville ,  Jason M. LeFevre ,  James A. Winters ,  Erwin Ruiz

IPC: B29C65/02 ,  B29C67/00 ,  G03G15/00 ,  B29K105/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B29K77/00 ,  B29K25/00

Abstract: In 3-D printing a platen moves toward an intermediate transfer belt (ITB) to have a sheet positioned on the platen contact the ITB to electrostatically transfer a layer of different materials to the sheet, and then the platen moves to a stabilization station to join the layer to the sheet. This processing is repeated to have the sheet repeatedly contact the ITB (with intervening stabilization at the stabilization station) to successively form layers of the materials on the sheet. The freestanding stack is fed to a platform to successively form a 3-D structure of freestanding stacks of the layers. Heat and/or pressure and/or light are applied to the 3-D structure to bond the freestanding stacks to one another through the sheets of collapsible media on the platform.

公开(公告)号：US10011453B1

公开(公告)日：2018-07-03

申请号：US15685232

申请日：2017-08-24

Applicant: XEROX CORPORATION

Inventor： Ron E Dufort ,  Steven R Moore ,  Timothy D Slattery ,  Erwin Ruiz ,  Charles J Bennett ,  Linn C Hoover

IPC: B65H31/10 ,  B65H31/36 ,  B65H43/06 ,  B65H31/12 ,  B65H31/28 ,  B65H7/20

CPC classification number: B65H31/10 ,  B65H7/20 ,  B65H31/12 ,  B65H31/28 ,  B65H31/36 ,  B65H43/04 ,  B65H43/06 ,  B65H2405/15 ,  B65H2511/152 ,  B65H2511/16 ,  B65H2511/17 ,  B65H2511/20 ,  B65H2553/612 ,  B65H2801/06 ,  B65H2220/03 ,  B65H2220/02 ,  B65H2220/11

Abstract: A sheet stacking system is disclosed that has improved tolerance for sheets that are not flat. Successive sheets are aligned onto a stack by a plurality of registration belts. The heights of the pivoting registration belts are compared with one another to determine the unevenness of the top of the stack. This unevenness is represented by the difference between the heights of the highest and lowest registration belt Δstack-height and is monitored to quantify the planarity of the top of the stack. When the unevenness (Δstack-height) exceeds a threshold, the system switches to a modified method to control the elevation of the stack. This method may include stopping the machine from stacking before the unevenness is too large for the registration belts to uniformly drive sheets. This invention prevents the stacker from attempting to stack when sheets are expected to skew thereby preventing jams and unusable stacks.

公开(公告)号：US10005632B1

公开(公告)日：2018-06-26

申请号：US15669670

申请日：2017-08-04

Applicant: Xerox Corporation

Inventor： Erwin Ruiz ,  Glenn David Batchelor ,  Ali R. Dergham ,  David J. Breed ,  Paul F. Brown, II ,  Mark A. Adiletta

IPC: B65H15/00 ,  B65H29/24 ,  B65H43/00

CPC classification number: B65H15/00 ,  B65H29/245 ,  B65H29/246 ,  B65H29/247 ,  B65H31/10 ,  B65H31/36 ,  B65H43/00 ,  B65H2301/33214 ,  B65H2301/33224 ,  B65H2301/4461 ,  B65H2405/54 ,  B65H2406/122 ,  B65H2406/364 ,  B65H2511/11 ,  B65H2515/112 ,  B65H2515/212 ,  B65H2701/1311 ,  B65H2801/06 ,  B65H2220/01 ,  B65H2220/02

Abstract: An apparatus is disclosed. For example, the apparatus includes a paper feed to feed print media a single sheet at a time, a plurality of rotating discs, wherein each one of the plurality of rotating discs comprises an elastomer ring to secure a leading edge of the single sheet against a registration wall and initiate a flipping process, an air duct to force an air flow towards the print media to levitate a trailing edge of the single sheet during completion of the flipping process, and a movable platform to hold a stack of the print media.

公开(公告)号：US10000020B2

公开(公告)日：2018-06-19

申请号：US14880683

申请日：2015-10-12

Applicant: Xerox Corporation

Inventor： Erwin Ruiz ,  Steven M. Russel ,  Paul M. Fromm ,  Jeffrey N. Swing

IPC: B29C64/124 ,  B29C67/00 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/112 ,  B33Y50/02 ,  B29C64/386

CPC classification number: B29C64/106 ,  B29C64/112 ,  B29C64/124 ,  B29C64/386 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: A three-dimensional object printer enables forming portions of an object with a material having a higher melting temperature and a lower coefficient of friction. The printer includes a member, a printhead, and an applicator. A controller operates the printhead to eject a first material having a first coefficient of friction toward the member and operates the applicator to eject a second material having a second coefficient of friction toward the member. The second material has a higher melting temperature and a lower coefficient of friction than the first material. The printer further includes a curing device. The controller operates the curing device to direct radiation toward the member to cure the first material. The second material is cured into the first material.

公开(公告)号：US09975322B2

公开(公告)日：2018-05-22

申请号：US15050803

申请日：2016-02-23

Applicant: Xerox Corporation

Inventor： Erwin Ruiz ,  Steven M. Russel ,  Paul M. Fromm ,  Jeffrey N. Swing

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

CPC classification number: B33Y10/00 ,  B29C64/112 ,  B29C64/241 ,  B33Y30/00 ,  B33Y50/02

Abstract: A three-dimensional object printer enables production of cylindrically shaped objects. The printer includes a controller operatively connected to at least two printheads, at least one object treating device, and actuator that is operatively connected to a cylindrical member being supported by at least two supports. The controller is configured to operate the actuator to rotate the cylindrical member within the at least two supports, to operate the plurality of ejectors in each of the at least two printheads to form portions of layers on the rotating cylindrical member with the different materials supplied to the at least two printheads, and to operate the at least one object treating device to modify the layers formed on the rotating cylindrical member while the cylindrical member is rotating within the at least two supports.