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公开(公告)号：US10046547B2
公开(公告)日：2018-08-14
申请号：US14949908
申请日：2015-11-24
Applicant: XEROX Corporation
Inventor： Steven R Moore , Abu Saeed Islam , Bruce H. Smith
Abstract: A system and method are provided for implementing relatively low temperature joining processes, including displacement/vibration welding techniques and/or heat staking techniques, in a process of building up laminate layers to form and/or manufacture three-dimensional objects, parts and components in additive material (AM) manufacturing systems. A multi-stage 3D object forming scheme is described involving steps of laminate cutting (with lasers or other cutting devices); laminate transport between processing stations (including using one or more of conveyors, robotic pick and place devices and the like); laminate stacking, clamping and adhering through comparatively low temperature welding or other mechanical joining (including displacement/vibration welding or heat staking); and mechanical surface finishing (via CNC machining or other comparable process).
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公开(公告)号：US09956789B2
公开(公告)日：2018-05-01
申请号：US14877924
申请日：2015-10-07
Applicant: XEROX Corporation
Inventor： Steven R Moore , Paul J McConville , Peter Michael Gulvin , Jason M. LeFevre , David A. VanKouwenberg , Andrew W. Hays
CPC classification number: B41J11/0015 , D21H19/14 , D21H23/30
Abstract: A system and method are provided for controlling archival sheet curl formation in image receiving media substrates on which images are formed using aqueous inks as the marking material. Archival curl occurs over time and is based on a partial coverage of the image receiving media substrates by the deposited water-based marking materials. A unique post-processing scheme applies selective aqueous clear fluid onto imaged substrates (cut sheets) to substantially counteract long-term archival curl formation in the individual image receiving media substrates. Both opposing sides of the cut sheet are processed in a manner that causes them to substantially equally undergo the generally irreversible shrinkage phenomenon that leads to archival curl, thus substantially canceling out the archival curl formation mechanism. A clear fluid is applied image-wise to portions of one or both sides of the image receiving media substrates to counterbalance the formed aqueous ink image.
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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
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.
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