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公开(公告)号：US11318733B2
公开(公告)日：2022-05-03
申请号：US16916907
申请日：2020-06-30
申请人： Xerox Corporation
摘要： According to aspects of the embodiments, there is provided a method of determining the amount of fountain solution employed in a digital offset lithography printing system. Fountain solution thickness is determined from diagnostic images that are printed and analyzed using the existing Image Based Controls (IBC). An analysis of the density of solids, halftones, and background as a function of the fountain solution control parameter is performed to decide on the appropriate level of fountain solution. A latitude window of control parameters is then derived for which the digital offset lithography printing system in operation minimizes the undesirable effects of too much or too little fountain solution.
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公开(公告)号：US11298964B2
公开(公告)日：2022-04-12
申请号：US16368744
申请日：2019-03-28
申请人： XEROX CORPORATION
发明人： Varun Sambhy , Joseph Sheflin , Peter Knausdorf , Mark C. Petropoulos , Jack T. LeStrange , Santokh S. Badesha
摘要： Provided herein is an imaging blanket for variable data lithography comprising (i) a substrate and (ii) a thermally-conductive composition disposed on the substrate comprising a silicone elastomer and a thermally-conductive filler selected from metal oxides, wherein the thermally-conductive composition has a thermal conductivity ranging from about 0.6 W/m2 to about 1.6 W/m2. Further provided herein a method of making the imaging blanket, as well as a printing system comprising the imaging blanket, wherein the imaging blanket has improved thermal conductivity.
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公开(公告)号：US11230135B2
公开(公告)日：2022-01-25
申请号：US16405565
申请日：2019-05-07
申请人： XEROX CORPORATION
发明人： Varun Sambhy , Lin Ma , Kyle B. Tallman , Santokh S. Badesha , Michael S. Roetker , Mark C. Petropoulos , Jack T. LeStrange , Joseph C. Sheflin , Peter J. Knausdorf , Jorge A. Alvarez
IPC分类号： B41N10/04 , B41F7/02 , B32B5/24 , B32B25/10 , B41C1/10 , B41F3/30 , B41J2/005 , B41M1/06 , B41N3/08
摘要： The present disclosure is directed to a multilayer imaging blanket for a variable data lithography printing system, including: a multilayer base having a lower contacting surface configured to wrap around or to be mounted on a cylinder core of the variable data lithography printing system; and a platinum catalyzed fluorosilicone surface layer opposite the lower contacting surface; wherein the multilayer base is a sulfur-free carcass including: a top layer including a sulfur-free rubber substrate such as an ethylene propylene diene monomer (EPDM) rubber substrate, a bottom layer including the lower contacting surface; and a compressible layer disposed between the top layer and the bottom layer, the compressible layer being attached to a surface of the top layer opposite the platinum catalyzed fluorosilicone surface layer and a surface of the bottom layer opposite the lower contacting surface, optionally the top layer further comprises a reinforcing fabric layer, the reinforcing fabric layer attached to a surface of the compressible layer opposite the bottom layer.
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4.发明授权公开(公告)号：US11305572B2
公开(公告)日：2022-04-19
申请号：US16917044
申请日：2020-06-30
申请人： Xerox Corporation
摘要： According to aspects of the embodiments, there is provided a method of determining the amount of fountain solution employed in a digital offset lithography printing system. Fountain solution thickness is determined by examining optical density of some halftone or solid patch versus laser current level. The apparatus and method uses a variable current signal to dither or perturb the laser imaging system to irradiate a fountain solution layer to create patches at different laser current levels. An aptly programmed controller then process optical density measurements to indirectly estimate fountain solution level.
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公开(公告)号：US20200307293A1
公开(公告)日：2020-10-01
申请号：US16368744
申请日：2019-03-28
申请人： XEROX CORPORATION
发明人： Varun Sambhy , Joseph Sheflin , Peter Knausdorf , Mark C. Petropoulos , Jack T. LeStrange , Santokh S. Badesha
摘要： Provided herein is an imaging blanket for variable data lithography comprising (i) a substrate and (ii) a thermally-conductive composition disposed on the substrate comprising a silicone elastomer and a thermally-conductive filler selected from metal oxides, wherein the thermally-conductive composition has a thermal conductivity ranging from about 0.6 W/m2 to about 1.6 W/m2. Further provided herein a method of making the imaging blanket, as well as a printing system comprising the imaging blanket, wherein the imaging blanket has improved thermal conductivity.
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