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公开(公告)号：US12086403B2
公开(公告)日：2024-09-10
申请号：US17190501
申请日：2021-03-03
申请人： Xerox Corporation
发明人： Douglas K. Herrmann , Seemit Praharaj , Jason M. LeFevre , Paul J. McConville , Chu-Heng Liu , Linn C. Hoover , David A. VanKouwenberg
IPC分类号： G06F3/0488 , B08B1/10 , G06K15/02
CPC分类号： G06F3/0488 , B08B1/10 , B08B2240/00 , G06K15/1809
摘要： Devices include first and second frame elements having mounting points connectable to opposite ends (e.g., first end, second end) of the touchscreen. First and second rollers are connected, respectively, to the first and second frame elements. A web of transparent material is supported by and between the first and second rollers. Further, an ultraviolet light device is connected to the second frame element and is positioned to expose the web of transparent material to ultraviolet radiation to disinfect the transparent material between users.
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2.发明授权公开(公告)号：US12042983B2
公开(公告)日：2024-07-23
申请号：US18056198
申请日：2022-11-16
申请人： Xerox Corporation
IPC分类号： B29C64/112 , B29C64/336 , B29C64/386 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B29L31/34
CPC分类号： B29C64/112 , B29C64/336 , B29C64/386 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B29L2031/34
摘要： A method of manufacturing a three-dimensional object operates components in an additive manufacturing system with reference to a difference between quantifications identified for different properties of at least two materials in a same layer. The method enables the layer to be formed with compensation for the differences in the quantifications of the properties of the two materials.
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公开(公告)号：US11878349B2
公开(公告)日：2024-01-23
申请号：US17393115
申请日：2021-08-03
申请人： Xerox Corporation
发明人： Seemit Praharaj , Douglas K. Herrmann , Thomas J. Wyble , Jason M. LeFevre , Chu-Heng Liu , Paul J. McConville
IPC分类号： B22F12/50 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02 , B22D23/00 , B22F10/22 , B22F10/85
CPC分类号： B22F12/50 , B22D23/003 , B22F10/22 , B22F10/85 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02
摘要： A three-dimensional (3D) metal object manufacturing apparatus is equipped with two solid metal moving mechanisms that are independently operated to move two different metals into the receptacle of a vessel in a melted metal drop ejecting apparatus. The ejector is operated to form object features with melted metal drops of one of the two different metals and to form support features with melted metal drops of the other of the two different metals. The thermal expansion coefficients of the two metals are sufficiently different that the support features easily separate from the object features after the object and support features cool.
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公开(公告)号：US11794251B2
公开(公告)日：2023-10-24
申请号：US17147773
申请日：2021-01-13
申请人： Xerox Corporation
IPC分类号： B22F10/22 , B33Y30/00 , B33Y50/02 , B22F12/53 , B22F10/85 , B29C64/371 , B33Y10/00 , B22D23/00
CPC分类号： B22F10/22 , B22D23/003 , B22F10/85 , B22F12/53 , B29C64/371 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B22F2301/052
摘要： A three-dimensional (3D) metal object manufacturing apparatus is equipped with a removable vessel to reduce the time required for start-up procedures after the printer is serviced. The removable vessel is filled with solid metal that is heated to its melting temperature before the bulk wire is inserted into the vessel to commence printing operations. The melting of the solid metal in the removable vessel requires less time that the melting of an length of bulk wire adequate to produce a volume of melted metal suitable for printer operation. The solid metal in the removable vessel can be metal pellets, metal powder, or a solid metal insert.
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公开(公告)号：US11745265B2
公开(公告)日：2023-09-05
申请号：US17457346
申请日：2021-12-02
申请人： Xerox Corporation
发明人： Collin A. Ladd , Paul J. McConville , Mariusz Mika , Kareem Tawil
CPC分类号： B22F10/22 , B22D23/003 , B22F12/50 , B33Y10/00 , B33Y30/00 , B22F2301/052 , B22F2302/45
摘要： A three-dimensional (3D) metal object manufacturing apparatus is equipped with a liquid silicate application system to apply liquid silicate to a surface of a build platform prior to manufacture of a metal object. The liquid silicate layer is permitted to air dry and then the platform is heated to its operational temperature range for formation of a metal object with melted metal drops ejected by the apparatus. The liquid silicate layer forms a glassy, brittle layer on which the metal object is formed. This brittle layer is removed relatively easily with the object after the object is manufactured and the build platform is permitted to cool. The silicate layer improves the wetting of the surfaces of build platforms made with non-wetting materials, such as oxidized steel, while also preventing metal-to-metal welds with wetting materials, such as tungsten or nickel.
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6.发明公开公开(公告)号：US20230271252A1
公开(公告)日：2023-08-31
申请号：US17652914
申请日：2022-02-28
申请人： Xerox Corporation
发明人： Collin A. Ladd , Paul J. McConville
CPC分类号： B22F10/22 , B22F12/50 , B22F12/22 , B33Y10/00 , B33Y30/00 , B22F2302/05 , B22F2302/256
摘要： A three-dimensional (3D) metal object manufacturing apparatus is equipped with a borate solution application system to either build support structures with a borate solution containing silica particles or to apply such a borate solution to a surface of a metal support structure prior to manufacture of a metal object feature that is supported by the support structure. The silica particles in the borate solution structure form a glassy, brittle structure on which the metal object feature is formed. This glassy, brittle structure is removed relatively easily from the object after the object is manufactured.
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公开(公告)号：US11718107B2
公开(公告)日：2023-08-08
申请号：US17218900
申请日：2021-03-31
申请人： XEROX CORPORATION
CPC分类号： B41J11/0085
摘要： A printing system comprises a printhead to eject a print fluid to a deposition region. A movable support surface, such as a belt, is used to transport print media through the deposition region, with the print media being held against the movable support surface by vacuum suction through holes in the movable support surface. A media registration device loads print media onto the movable support surface and registers the print media to a location of the movable support surface. The movable support surface comprises no-suction-regions in which the vacuum suction through the movable support surface is prevented. The no-suction regions extend across the width of the movable support surface in a cross-process direction and are arranged at predetermined intervals along the process direction. The control system causes the media registration device to register each of the print media relative to a respective one of the no-suction-regions.
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8.发明授权公开(公告)号：US11685150B2
公开(公告)日：2023-06-27
申请号：US17358634
申请日：2021-06-25
申请人： Xerox Corporation
CPC分类号： B41F31/022 , B41F31/13
摘要： A coefficient of friction (COF) sensor on a carrier roll surface wetted with fountain solution transferred from an imaging member measures COF of the wetted carrier roll surface in real-time, even between or during printing operations. The transferred fountain solution may be concentrated and/or chilled to solidify before the measurement. The measured COF is used in a feedback loop to actively control the fountain solution layer thickness by adjusting the volumetric feed rate of fountain solution added onto the imaging member surface during an imaging or other printing operation to reach a desired uniform thickness for the printing. This fountain solution monitoring system may be fully automated.
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公开(公告)号：US11667136B2
公开(公告)日：2023-06-06
申请号：US17218873
申请日：2021-03-31
申请人： XEROX CORPORATION
IPC分类号： B41J11/00
CPC分类号： B41J11/0085 , B41J11/007
摘要： A printing system comprises a printhead to eject a print fluid to a deposition region. Print media are held by vacuum suction against a movable support surface, which moves over a vacuum platen to transport the print media through the deposition region. The vacuum platen has platen holes through which the vacuum suction is communicated. Multiple vacuum plenums are provided to supply the vacuum suction to different groups of the platen holes. A first vacuum plenum is fluidically coupled to a first group of the platen holes located at least partially in the deposition region, and to a second group of platen holes located upstream of the first group. A second vacuum plenum is fluidically coupled to a third group of the platen holes comprising at least some platen holes located between the first and second groups of platen holes.
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公开(公告)号：US11648784B2
公开(公告)日：2023-05-16
申请号：US17216232
申请日：2021-03-29
申请人： XEROX CORPORATION
CPC分类号： B41J11/0085
摘要： A printing system comprises a print fluid deposition assembly, a media transport device, and an air flow control system. The print fluid deposition assembly comprises a printhead to eject a print fluid through an opening of a carrier plate to a deposition region. The media transport device holds a print medium against the movable support surface by vacuum suction and transports the print medium through the deposition region. The air flow control system comprises an air supply unit to selectively flow air through the opening based on a location of a print medium relative to the printhead. The air supply unit comprises an air guide structure comprising an air outlet portion extending into the opening of the carrier plate between the printhead and the carrier plate, the air outlet portion terminating in an end wall that is angled obliquely relative to the movable support surface towards a reverse-process direction.
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