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    • 31. 发明申请
    • Processless development of printing plate
    • 印版无处理发展
    • US20100212522A1
    • 2010-08-26
    • US12799568
    • 2010-04-27
    • Howard A. FromsonWilliam J. RyanWilliam J. Rozell
    • Howard A. FromsonWilliam J. RyanWilliam J. Rozell
    • B41F7/02G03F7/20B05D3/12
    • 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,其被毛毯与墨水转移到可印刷介质。
    • 32. 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。
    • 33. 发明授权
    • Method and apparatus for applying a film of fluid onto a flat surface and specifically onto a lithographic printing plate in a developing station
    • 用于在平坦表面上并且特别地将流体膜施加到显影站中的平版印刷版上的方法和装置
    • US06793418B1
    • 2004-09-21
    • US10446357
    • 2003-05-28
    • Howard A. FromsonWilliam J. Rozell
    • Howard A. FromsonWilliam J. Rozell
    • G03D506
    • G03D5/06
    • The invention relates to the application of a uniform film of a fluid to the surface of a flat workpiece as it is being conveyed through a workstation. The invention is specifically directed to the development of lithographic printing plates and comprises the application of the thin film of developer solution to each plate in a controlled manner using a wire-wound coating device and a unique manner of metering and feeding fresh fluid to the wire-wound device. Specifically, the fluid is gently fed onto the wire-wound device by simple volumetric displacement and overflow from the inside of a hollow tube onto the wire and the flow is controlled by sensing the beginning and end of each workpiece or plate. The hollow tube may be the wire-wound component or it may be a tube mounted above the wire-wound component.
    • 本发明涉及在通过工作站输送时将流体的均匀膜应用于平坦工件的表面。 本发明特别针对平版印刷版的开发,并且包括使用绕线涂布装置以可控的方式将显影剂溶液的薄膜施加到每个印版上,以及将新鲜流体计量并输送到线材的独特方式 缠绕装置。 具体地说,流体通过简单的体积位移被轻轻地馈送到绕线装置上,并且从中空管的内部溢出到线上,并且通过感测每个工件或板的开始和结束来控制流动。 中空管可以是绕线部件,也可以是安装在绕线部件上方的管。
    • 37. 发明授权
    • Catalyst preparation
    • 催化剂制备
    • US06479430B1
    • 2002-11-12
    • US08653510
    • 1996-05-24
    • Howard A. FromsonWilliam J. Rozell
    • Howard A. FromsonWilliam J. Rozell
    • B01J2104
    • B01J37/0226B01J37/348C25D11/18C25D11/26
    • A substrate metal such as aluminum, usually in the form of a web, is anodized to form a porous oxide coating. A catalytic metal is then electrolytically deposited into the base of the pores preferably using an AC current. A portion of the oxide coating is then stripped away to expose the deposited catalytic metal at the surface of the remaining oxide layer. Alternately, a generally non-catalytic base metal may first be deposited followed by the deposition of the catalyst metal within the pores over the base metal. Further alternatives include stripping the oxide down to the base metal and then depositing the catalyst metal on the surface, further anodizing to form additional oxide between the deposited metal and the substrate, and enlarging the cross section of the base of the pores prior to the deposition of the metal.
    • 通常以网状形式的基底金属(例如铝)被阳极氧化以形成多孔氧化物涂层。 然后将催化金属电解沉积到孔的底部,优选使用AC电流。 然后将氧化物涂层的一部分剥离以暴露在剩余氧化物层的表面处沉积的催化金属。 或者,可以首先沉积通常非催化的贱金属,然后沉积在贱金属上的孔内的催化剂金属。 另外的替代方案包括将氧化物剥离到基底金属上,然后将催化剂金属沉积在表面上,进一步阳极氧化以在沉积的金属和基底之间形成额外的氧化物,并且在沉积之前扩大孔的基底的横截面 的金属。
    • 40. 发明授权
    • Dual laser thermal imaging
    • 双激光热成像
    • US06267055B1
    • 2001-07-31
    • US09618338
    • 2000-07-18
    • Howard A. FromsonWilliam J. Rozell
    • Howard A. FromsonWilliam J. Rozell
    • B41C110
    • B41C1/1033
    • A positive-working lithographic printing plate which is imageable by dual infrared lasers has a substrate which absorbs modulated, imaging infrared laser radiation of one wavelength to heat the substrate and an adjacent coating. The substrate has a coating which is a material which will react and form gaseous reaction products which ablate or propel the coating from the substrate upon reaching a threshold reaction temperature. The coating is transparent to the infrared radiation of the one wavelength and contains a dye which absorbs unmodulated, non-imaging infrared laser radiation of another wavelength to heat the coating. The unmodulated, non-imaging infrared laser radiation heats the coating in the imaged areas to a temperature below the threshold temperature and the heat from the substrate further heats the coating to a temperature above the threshold temperature and ablates the coating in the imaged areas.
    • 可通过双重红外激光成像的正性平版印刷版具有吸收一个波长的调制的成像红外激光辐射以加热基底和相邻涂层的基底。 衬底具有涂层,其是将在达到阈值反应温度时反应并形成气体反应产物的材料,其从衬底烧蚀或推动涂层。 涂层对于一个波长的红外辐射是透明的,并且包含吸收另外波长的未调制的非成像红外激光辐射以加热涂层的染料。 未调制的非成像红外激光辐射将成像区域中的涂层加热到低于阈值温度的温度,并且来自基底的热量进一步将涂层加热至高于阈值温度的温度并消融成像区域中的涂层。