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    • 5. 发明授权
    • Water spray development of planographic plates
    • 平版印刷板的喷水发展
    • US07700266B2
    • 2010-04-20
    • US11821721
    • 2007-06-25
    • Howard A. FromsonWilliam J. RyanWilliam J. RozellPaul A. Perron
    • Howard A. FromsonWilliam J. RyanWilliam J. RozellPaul A. Perron
    • G03F7/26
    • G03F7/322G03F7/30
    • Excellent development of planographic printing plates can be achieved by exposing an imaged, negative working, photopolymerizable coating to a high pressure stream of essentially untreated tap water, whereby the water completely removes only the less cohesive and adhesive (e.g., partially polymerized) regions to the substrate, thereby directly producing a printing plate having an image pattern of highly cohesive and adhesive, oleophilic regions of the coating and hydrophilic regions of the substrate. The coating removal mechanism appears to be due entirely to ablation. The high pressure stream is preferably delivered to the plate through at least one nozzle having a discharge pressure greater than about 200 psi. Each nozzle preferably has a spray pattern that impinges the plate over a substantially rectangular region of the plate, and the nozzle and plate translate relative to each other. The nozzle can reciprocate across the width of a longitudinally transported plate, thereby contacting successive regions of the plate in a rastering fashion.
    • 平版印刷版的优异发展可以通过将成像的,负性的可光聚合涂层暴露于基本上未处理的自来水的高压流中,由此水完全除去较少的内聚力和粘合剂(例如,部分聚合的)区域 从而直接制造具有高度粘合和粘合的图像图案的印刷版,涂层的亲油区域和基底的亲水区域。 涂层去除机制似乎完全归因于消融。 高压流优选通过具有大于约200psi的排出压力的至少一个喷嘴输送到板。 每个喷嘴优选地具有将板撞击在板的基本矩形区域上的喷射图案,并且喷嘴和板相对于彼此平移。 喷嘴可以横跨纵向传送的板的宽度往复运动,从而以划痕方式接触板的连续区域。
    • 9. 发明授权
    • Processless development of printing plate
    • 印版无处理发展
    • US08137897B2
    • 2012-03-20
    • US12799568
    • 2010-04-27
    • Howard A. FromsonWilliam J. RyanWilliam J. Rozell
    • Howard A. FromsonWilliam J. RyanWilliam J. Rozell
    • B41F7/00G03F1/00G03F7/00
    • B41C1/1008B41C1/1016B41C1/1075B41C2201/02B41C2210/04B41C2210/08B41C2210/24G03F7/3035
    • On-press development of an imaged printing plate on a plate cylinder, in which ink is applied by an ink form roll, a blanket roll is in contact with the plate, a rubber roll is opposed to the blanket roll, and printable media passes between the blanket roll and the rubber roll. The plate comprises a substrate carrying an imaged coating, in which nonimage areas have cohesion C1, adhesion to the substrate A1, and adhesion to the applied ink A3 and image areas have cohesion C2, adhesion to the substrate A2, and adhesion to the applied ink A4. The ink has cohesion C3 and adhesion A5 to the blanket roll. The nonimage areas have adhesion A6 to the printable medium and the ink has adhesion A7 to the medium. The adhesions and cohesions are such that the blanket roll pulls the ink from the plate and the ink pulls the nonimage areas from the substrate as undissolved particles that are transferred by the blanket with the ink to the printable media.
    • 在印版滚筒上的成像印版的印刷机显影,其中通过油墨成型辊施加油墨,橡皮布辊与印版接触,橡胶辊与橡皮布辊相对,并且可印刷介质在 橡皮布辊和橡胶辊。 板包括承载成像的涂层的基底,其中非图像区域具有内聚力C1,与基底A1的粘附,以及对所施加的墨水A3的粘附,并且图像区域具有内聚力C2,与基底A2的粘合性以及对所施加的墨水的粘附 A4。 油墨具有内聚力C3和粘合力A5到橡皮布辊。 非图像区域具有与可印刷介质的粘合力A6,并且油墨具有到介质的粘附力A7。 粘合和内聚力使得橡皮布辊从印刷板上拉出墨水,并且油墨将非图像区域从基材中拉出,作为未被溶解的颗粒,该颗粒被毛毯通过墨水转印到可印刷介质上。
    • 10. 发明授权
    • Method for reducing consumption of plate processing fluid
    • 减少板材加工液消耗的方法
    • US06905267B1
    • 2005-06-14
    • US10929972
    • 2004-08-30
    • Howard A. FromsonWilliam J. Rozell
    • Howard A. FromsonWilliam J. Rozell
    • B05C11/00B05C11/10G03D5/00G03D5/04G03F7/30
    • G03F7/3042B05C11/1021G03D5/04
    • Disclosed herein are a method and apparatus for efficiently processing workpieces which are developed using a liquid developer. According to the invention a first set of workpieces is obtained from an imaging station, a second set of workpieces is obtained from a workpiece collection device, and the workpieces from the first and second sets are aligned in a contiguous arrangement, with the workpieces from the first set preferably being interspersed with those from the second set. Developer is then applied to the group of contiguous workpleces, thereby reducing the amount of overrun or overspray of developer that would otherwise result from individual processing of workpieces. The invention is particularly well-suited for use in preparing lithographic printing plates.
    • 本文公开了一种用于有效处理使用液体显影剂显影的工件的方法和装置。 根据本发明,从成像站获得第一组工件,从工件收集装置获得第二组工件,并且来自第一和第二组的工件以连续的布置对齐,工件从工件 第一组优选地与来自第二组的那些散布。 然后将开发人员应用于一组连续工作,从而减少由于工件的单独处理而导致的显影剂超量或过度喷涂的量。 本发明特别适用于制备平版印刷版。