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21.发明申请公开(公告)号：US20200086562A1
公开(公告)日：2020-03-19
申请号：US16129943
申请日：2018-09-13
Applicant: Xerox Corporation
Inventor： David A. Mantell , Stuart A. Schweid , Christopher G. Lynn , Peter J. Nystrom
IPC: B29C64/209 , B29C64/336 , B29C64/118 , B29C64/295 , B29C64/393
Abstract: An extruder head has an arrangement of multiple nozzles in the faceplate that avoids aligning the multiple nozzles at angular orientations from the 0°-180° axis and 90°-270° axis intersection at the center of the faceplate. The extruder head includes a housing having a faceplate with a plurality of nozzles that are equally spaced from one another when the nozzles are projected onto a first axis in a plane of the faceplate and the nozzles are equally spaced from one another when projected onto a second axis in the plane of the faceplate that is orthogonal to the first axis. Movement of the extruder head along any angular path from the intersection of the first axis and the second axis in the plane of the faceplate enables at least one nozzle in the plurality of nozzles to not be aligned with any other nozzle.
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22.发明申请公开(公告)号：US20190263066A1
公开(公告)日：2019-08-29
申请号：US16412883
申请日：2019-05-15
Applicant: Xerox Corporation
Inventor： Peter J. Nystrom , Barry P. Mandel , David A. Mantell , Paul J. McConville
IPC: B29C64/295 , B29C64/40 , B29C64/393 , B29C64/118
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 mounted to an arm that is configured to rotate about the material applicator to position the heater so the heater heats the layer of the object ahead of the material applicator as the material applicator moves relative to the platform.
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公开(公告)号：US20190232658A1
公开(公告)日：2019-08-01
申请号：US16375951
申请日：2019-04-05
Applicant: Xerox Corporation , Brown University
Inventor： Peter J. Nystrom , Gary D. Redding , Angus Ian Kingon , Seunghyun Kim , Nicholas Mostovych
IPC: B41J2/14 , B41J2/16 , C04B37/02 , C04B35/453 , C04B35/475 , C04B37/00 , C04B37/04
CPC classification number: B41J2/161 , B41J2/14201 , B41J2/14233 , B41J2/1623 , B41J2/1626 , B41J2/1632 , B41J2/1635 , B41J2/1643 , B41J2/1646 , C04B35/453 , C04B35/475 , C04B37/001 , C04B37/02 , C04B37/04 , C04B2235/3201 , C04B2235/3206 , C04B2235/3236 , C04B2235/3255 , C04B2235/3298 , C04B2235/768 , C04B2235/80 , C04B2237/346 , C04B2237/406 , C04B2237/68
Abstract: An apparatus for a lead-free piezoelectric ink-jet printhead is disclosed. Piezoelectric printheads, while more expensive are favored because they use a wider variety of inks. The piezoelectric printhead includes a diaphragm, a plurality of piezoelectric actuators comprising a lead-free piezoelectric material, at least one nozzle, at least one ink chamber, a top electrode, and a drive circuit. The deflection of the diaphragm on the body chamber contributes to a pressure pulse that is used to eject a drop of liquid from the nozzle. According to an exemplary embodiment, a lead-free piezoelectric printhead operated at smaller thicknesses and significantly higher electric fields is disclosed, along with methods of making such printheads.
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24.发明授权公开(公告)号：US10335991B2
公开(公告)日：2019-07-02
申请号：US14962067
申请日：2015-12-08
Applicant: Xerox Corporation
Inventor： Barry P. Mandel , David A. Mantell , Peter J. Nystrom
IPC: B29C67/00 , B29C48/92 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B29C64/106 , B29C64/386 , B29C48/02 , B29C48/25
Abstract: A method of operating a multi-nozzle extrusion printhead includes operating with a controller a first actuator to produce relative movement between the printhead and an image receiving surface along a predetermined path for one layer of a three-dimensional printed object. The method further includes first printing an outline of a given layer and then printing the interior of the given layer using a plurality of extrusion nozzles. The method further optionally includes extruding material through a portion of the plurality of nozzles and turning on or off individual nozzles to ensure the swaths printed in the interior conform to the profile of the outline.
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公开(公告)号：US10252525B2
公开(公告)日：2019-04-09
申请号：US15611179
申请日：2017-06-01
Applicant: Xerox Corporation , Brown University
Inventor： Peter J. Nystrom , Gary D. Redding , Angus Ian Kingon , Seunghyun Kim , Nicholas Mostovych
IPC: B41J2/14 , B41J2/16 , C04B35/475 , C04B35/453
Abstract: An apparatus for a lead-free piezoelectric ink-jet printhead is disclosed. Piezoelectric printheads, while more expensive are favored because they use a wider variety of inks. The piezoelectric printhead includes a diaphragm, a plurality of piezoelectric actuators comprising a lead-free piezoelectric material, at least one nozzle, at least one ink chamber, a top electrode, and a drive circuit. The deflection of the diaphragm on the body chamber contributes to a pressure pulse that is used to eject a drop of liquid from the nozzle. According to an exemplary embodiment, a lead-free piezoelectric printhead operated at smaller thicknesses and significantly higher electric fields is disclosed, along with methods of making such printheads.
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Patent Agency Ranking
26.发明申请公开(公告)号：US20180111308A1
公开(公告)日：2018-04-26
申请号：US15334851
申请日：2016-10-26
Applicant: Xerox Corporation
Inventor： David A. Mantell , Peter J. Nystrom , Christopher G. Lynn , Jun Ma , Mark A. Cellura , Gary D. Redding
Abstract: An apparatus includes a heater for converting a filament of extrusion material into thermoplastic material. The heater has a channel configured to change the cross-sectional shape of the filament to a cross-sectional shape that has a greater surface area than the surface area of the filament before the heater receives the filament. The channel of the heater can also be configured to drive the center portion of the filament toward the heated walls of the channel and to mix thermoplastic material in the channel while exposing the center portion of the filament to the heated wall of the channel.
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公开(公告)号：US20170320272A1
公开(公告)日：2017-11-09
申请号：US15147259
申请日：2016-05-05
Applicant: Xerox Corporation
Inventor： David A. Mantell , Peter J. Nystrom , Christopher G. Lynn
IPC: B29C64/321 , B29C64/343 , B29C47/06 , B29L9/00 , B33Y10/00 , B33Y30/00
CPC classification number: B29C64/321 , B29C48/02 , B29C48/21 , B29C48/92 , B29C64/118 , B29C64/209 , B29C64/343 , B29L2009/00 , B33Y10/00 , B33Y30/00
Abstract: An extruder assembly for a three-dimensional object has an extrusion slot to enable faster three-dimensional object printing with greater precision. The extruder assembly includes an extruder body having an extrusion slot to enable a continuous filament of material to be extruded through the extrusion slot and at least one actuator operatively connected to the extruder body. The at least one actuator is configured to translate the extruder body in a horizontal plane and rotate the extruder body about a rotational axis.
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公开(公告)号：US20170305159A1
公开(公告)日：2017-10-26
申请号：US15134949
申请日：2016-04-21
Applicant: XEROX CORPORATION
Inventor： Gary D. Redding , Peter J. Nystrom , Peter M. Gulvin , Mark A. Cellura
CPC classification number: B41J2/1612 , B41J2/14274 , B41J2/1607 , B41J2/161 , B41J2/1618 , B41J2/1621 , B41J2/1623 , B41J2/1628 , B41J2/1631 , B41J2/1632 , B41J2/1635 , B41J2/164 , C09D11/30 , C09D11/36 , C09D11/52 , Y10T29/42 , Y10T29/49401
Abstract: A method for forming piezoelectric transducers for inkjet printheads includes: forming at least one piezoelectric layer on a substrate; forming at least one electrode pattern by depositing a conductive material on an exposed surface of the at least one piezoelectric layer; and forming a plurality of individual piezoelectric elements from the at least one piezoelectric layer before or after the forming of the at least one electrode pattern.
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公开(公告)号：US09662880B2
公开(公告)日：2017-05-30
申请号：US14851422
申请日：2015-09-11
Applicant: XEROX CORPORATION
Inventor： Andrew W. Hays , Peter J. Nystrom , Angus I. Kingon , Seunghyun Kim
CPC classification number: B41J2/14233 , B41J2/161 , B41J2/1623 , B41J2/1626 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1634 , B41J2/1645 , H01L41/187 , H01L41/314 , H01L41/318
Abstract: A method and structure for a piezoelectric ink jet printhead. The method can include forming a piezoelectric composite from a liquid sol-gel solution. A first layer of the liquid sol-gel solution can be deposited onto a substrate using, for example, a spin coat process, wherein the substrate may be a printhead diaphragm. The first layer may be partially cured, then a second layer of the liquid sol-gel solution can be deposited onto the partially cured first layer, which is then partially cured. Any number of layers of liquid sol-gel solution can be deposited to result in a piezoelectric composite having a suitable thickness. Subsequently, all of the partially cured layers are fully cured. Printhead processing can continue to form a completed piezoelectric ink jet printhead.
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30.发明授权公开(公告)号：US09315021B2
公开(公告)日：2016-04-19
申请号：US14192113
申请日：2014-02-27
Applicant: Xerox Corporation
Inventor： Peter J. Nystrom , Barry P. Mandel , Peter M. Gulvin
CPC classification number: B41J2/14233 , B41J2002/14338 , B41J2002/14403
Abstract: A printhead including a plurality of actuators, wherein each actuator of the plurality of actuators includes a plurality of drive electrodes, a plurality of diaphragms, and a single nozzle. Each drive electrode is uniquely paired with one of the diaphragms. In an embodiment, the printhead may be configured so that all drive electrodes for a single actuator always activate simultaneously to eject ink from the single nozzle. In another embodiment, the printhead may be configured so that each drive electrode of the plurality of drive electrodes for a single actuator are individually addressable and may be fired independently of the other drive electrodes of the single actuator.
Abstract translation: 一种打印头，包括多个致动器，其中多个致动器的每个致动器包括多个驱动电极，多个隔膜和单个喷嘴。 每个驱动电极与其中一个隔膜独特配对。 在一个实施例中，打印头可以被配置为使得用于单个致动器的所有驱动电极总是同时激活以从单个喷嘴喷射墨水。 在另一个实施例中，打印头可以被配置为使得用于单个致动器的多个驱动电极的每个驱动电极可单独寻址，并且可以独立于单个致动器的其它驱动电极进行点火。
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