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公开(公告)号：US11260449B2
公开(公告)日：2022-03-01
申请号：US16808285
申请日：2020-03-03
申请人： XEROX CORPORATION
发明人： Douglas K. Herrmann , Erwin Ruiz , Ali R. Dergham , Christopher D. Atwood , Daniel R. Knopp , Derek A. Bryl , Linn C. Hoover
摘要： A three-dimensional printing system includes a build platform comprising a build surface. The printing system also includes an enclosure system having a side portion extending entirely around the build surface, a top plate portion that abuts the side portion, and a bottom portion. The side portion, the top plate portion and the bottom portion form an enclosed space surrounding the build surface. The top plate portion is moveable so as to adjust a volume of the enclosed space. A 3D printer printhead is disposed adjacent to the enclosure system for depositing a print material onto the build surface. The printing system also includes a heating system for heating the enclosed space.
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公开(公告)号：US20210283853A1
公开(公告)日：2021-09-16
申请号：US16816853
申请日：2020-03-12
申请人： Xerox Corporation
发明人： Ali R. Dergham , Douglas K. Herrmann , Christopher D. Atwood , Erwin Ruiz , Derek A. Bryl , Linn C. Hoover
IPC分类号： B29C64/393 , B29C64/112 , B29C64/295 , B29C64/232 , B29C64/245 , B29C64/241
摘要： A method operates a three-dimensional (3D) metal object manufacturing system to maintain a temperature of an uppermost layer of a 3D metal object being formed within a temperature range conducive for bonding between the uppermost layer and a next layer to be formed. A controller of the system compares a temperature of the uppermost layer with at least a low end temperature of the temperature range and operates an electrical resistance switching network using 3D model data to provide electrical power selectively to heating elements in a modular heater to heat the 3D metal object being formed when the temperature indicated by the signal from the sensor is less than the predetermined temperature.
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公开(公告)号：US20210276082A1
公开(公告)日：2021-09-09
申请号：US16808285
申请日：2020-03-03
申请人： XEROX CORPORATION
发明人： Douglas K. Herrmann , Erwin Ruiz , Ali R. Dergham , Christopher D. Atwood , Daniel R. Knopp , Derek A. Bryl , Linn C. Hoover
摘要： A three-dimensional printing system includes a build platform comprising a build surface. The printing system also includes an enclosure system having a side portion extending entirely around the build surface, a top plate portion that abuts the side portion, and a bottom portion. The side portion, the top plate portion and the bottom portion form an enclosed space surrounding the build surface. The top plate portion is moveable so as to adjust a volume of the enclosed space. A 3D printer printhead is disposed adjacent to the enclosure system for depositing a print material onto the build surface. The printing system also includes a heating system for heating the enclosed space.
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公开(公告)号：US20160089884A1
公开(公告)日：2016-03-31
申请号：US14922782
申请日：2015-10-26
申请人： XEROX CORPORATION
IPC分类号： B41J2/145
CPC分类号： B41J2/145 , B41J2/1433 , B41J2/165 , B41J2/16505 , B41J2/16508 , B41J2002/14443
摘要： A method for printing includes the use of a protective guide system that protects a print head nozzle plate from physical contact with objects such as a curled print medium. The print head nozzle plate includes a nozzle array including a plurality of nozzles arranged in a plurality of subarrays. The plurality of subarrays are spaced from each other by a plurality of intranozzle areas devoid of nozzles. The protective guide system includes a frame and a plurality of cross members aligned with the intranozzle areas between the subarrays. The protective guide system thus protects the print head nozzle plate without obstructing the ink during printing.
摘要翻译： 一种打印方法包括使用保护引导系统，其保护打印头喷嘴板与诸如卷曲的打印介质的物体的物理接触。 打印头喷嘴板包括喷嘴阵列，喷嘴阵列包括布置在多个子阵列中的多个喷嘴。 多个子阵列通过多个没有喷嘴的喷嘴区域彼此间隔开。 保护引导系统包括框架和与子阵列之间的喷嘴区域对准的多个横向构件。 因此，保护引导系统在打印期间保护打印头喷嘴板而不阻塞墨水。
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公开(公告)号：US20150284209A1
公开(公告)日：2015-10-08
申请号：US14242900
申请日：2014-04-02
申请人： Xerox Corporation
CPC分类号： B65H31/36 , B65H9/08 , B65H9/10 , B65H9/103 , B65H9/106 , B65H29/22 , B65H29/242 , B65H29/38 , B65H29/40 , B65H31/02 , B65H31/26 , B65H31/34 , B65H31/38 , B65H2301/4212 , B65H2301/4213 , B65H2404/50 , B65H2404/54 , B65H2404/56 , B65H2404/60 , B65H2404/656 , B65H2404/66 , B65H2405/1112 , B65H2406/323 , B65H2801/06
摘要： A paddle wheel compiler includes a paddle wheel that accepts sheets from the front of the paddle wheel to form a set, unlike a disk stacker which accepts sheets from the top or back of the disk and flips the sheet. The paddle wheel compiler is unique in that it maintains control of all sheets in a set, except for the top sheet during tamping. The top sheet is registered to the set with side tampers, followed by a scuffing action to register the sheet against a registration wall in the process direction.
摘要翻译： 桨轮编译器包括桨轮，其从桨轮的前部接收片材以形成一组，与从盘的顶部或后部接收片材并翻转片材的盘堆叠器不同。 桨轮编译器是唯一的，因为它保持对一组中的所有纸张的控制，除了在夯实期间的顶片。 顶板被注入到具有侧面篡改的组件中，随后是擦拭动作，以将纸张在过程方向上对准配准壁。
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公开(公告)号：US20220242048A1
公开(公告)日：2022-08-04
申请号：US17163355
申请日：2021-01-30
申请人： Xerox Corporation
发明人： Rachel L. Tanchak , Erwin Ruiz , Brendan McNamara , Piotr Sokolowski , Jack G. Elliot , Ka H. Fung , Derek A. Bryl , Douglas E. Proctor , Christopher T. Chungbin , Peter M. Gulvin
IPC分类号： B29C64/393 , B29C64/112 , B33Y10/00 , B33Y30/00 , B33Y50/02
摘要： A material drop ejecting three-dimensional (3D) object printer identifies a time lag error corresponding to a time lag in the response of printer components to component commands. The identified time lag error is provided to a slicer program that uses the identified time lag error to compensate for the time lag in the response of the printer components.
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7.发明申请公开(公告)号：US20220205845A1
公开(公告)日：2022-06-30
申请号：US17655246
申请日：2022-03-17
申请人： XEROX CORPORATION
发明人： Christopher Douglas Atwood , Erwin Ruiz , David M. Kerxhalli , Douglas K. Herrmann , Linn C. Hoover , Derek A. Bryl , Ali R. Dergham
摘要： An apparatus includes one or more layers of material printed by a three-dimensional (3D) printer. The one or more layers cool and solidify to form an object after being printed by the 3D printer. At least one of the one or more layers includes greater than 50% metal. The apparatus also includes a first temperature sensor in contact with the object. The first temperature sensor measures the temperature of the material while the object is being printed by the 3D printer, after the object has been printed by the 3D printer, or both.
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公开(公告)号：US09855775B1
公开(公告)日：2018-01-02
申请号：US15375355
申请日：2016-12-12
申请人： Xerox Corporation
IPC分类号： B41J25/00
CPC分类号： B41J11/005
摘要： A printhead protection apparatus moves between printheads in a printer between a position where cross-members in a frame block media irregularities from striking the faces of the printheads and a position where the cross-members are retracted between adjacent printheads to enable the faces of the printheads to be wiped. The frame of the apparatus encompasses the printheads and the cross-members connected to the frame move between adjacent printheads.
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9.发明授权Systems and methods for implementing removal of detected wrinkling for web printing in a post processing device of an image forming system 有权用于在图像形成系统的后处理装置中实现去除检测到的卷筒印刷皱纹的系统和方法公开(公告)号：US09428360B2
公开(公告)日：2016-08-30
申请号：US14185949
申请日：2014-02-21
申请人： XEROX Corporation
IPC分类号： B65H23/032 , B65H23/038
CPC分类号： B65H23/032 , B65H23/038 , B65H2301/33214 , B65H2301/44318 , B65H2404/144 , B65H2511/512 , B65H2515/842 , B65H2553/41 , B65H2557/264 , B65H2801/03 , B65H2801/12 , B65H2515/314 , B65H2220/02
摘要： A system and method are provided for implementing an automated process that independently manipulates a plurality of span-wise discrete individual pressure actuators in a movable pressure assembly associated with a nip-based drive unit to drive tensioned web continuous feed image receiving media in web-based printing devices. The disclosed process varyingly adjusts a relative pressure of between the opposing rolls to address a detected wrinkling condition. A closed loop detection and control scheme is provided in which, based on a determination that wrinkling is occurring in tensioned web continuous feed image receiving media, and isolation of a spanwise location in which the wrinkling is occurring, differential signals may be sent to one or more of a plurality of span-wise discrete individual pressure actuators in a movable pressure assembly to varyingly adjust a relative pressure of the two opposing rolls across a spanwise pressure nip.
摘要翻译： 提供了一种用于实现自动化过程的系统和方法，该过程独立地操作与基于辊隙的驱动单元相关联的可移动压力组件中的多个跨度离散的独立压力致动器，以驱动基于卷筒纸的驱动单元的张紧的连续进料图像接收介质 打印设备。 所公开的方法改变地调节相对辊之间的相对压力以解决检测到的起皱条件。 提供一种闭环检测和控制方案，其中，基于在张紧的纸张连续进给图像接收介质中发生褶皱的确定以及发生褶皱的展开方向位置的隔离，可以将差分信号发送到一个或 更多的可移动压力组件中的多个跨度离散的独立压力致动器，其可以跨越翼展方向压力压区来改变地调节两个相对的辊的相对压力。
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公开(公告)号：US09193177B1
公开(公告)日：2015-11-24
申请号：US14477028
申请日：2014-09-04
申请人： Xerox Corporation
CPC分类号： B41J11/0015 , B41J2/2114 , B41J2/2117 , B41J11/0005 , B41M5/0011
摘要： A printer attenuates curl in media sheets being printing by the printer. The printer includes a moisture ejecting subsystem that ejects a water-containing material in the margins of the media sheet in the cross-process direction to reduce a moisture gradient across the media sheet when the grain of the media is parallel to the process direction of the media moving through the printer.
摘要翻译： 打印机打印机打印介质纸张时，打印机会衰减卷发。 打印机包括湿气喷射子系统，其在交叉处理方向上在介质片材的边缘中喷射含水材料，以当介质的颗粒平行于介质片材的处理方向时减小横跨介质片材的湿度梯度 媒体移动通过打印机。
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