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    • 1. 发明授权
    • Inkjet printing system
    • 喷墨打印系统
    • US08668304B1
    • 2014-03-11
    • US13600631
    • 2012-08-31
    • Mark Edward IrvingKurt Michael SchroederJoseph W. Hoff
    • Mark Edward IrvingKurt Michael SchroederJoseph W. Hoff
    • B41J2/015
    • B41J2/17553B41J2/17513B41J2/19
    • An inkjet printing system including an inkjet printer having a printhead and an inkjet ink in an ink tank supplying the inkjet ink to the printhead, wherein the ink tank includes a free ink compartment and a capillary media compartment vented to the atmosphere and in fluid communication with ink in the free ink compartment, and wherein the inkjet ink includes water, a self-dispersing carbon black pigment having greater than 11 weight % volatile surface functional groups, and a surfactant at a concentration of 0.10 weight percent or less, and having a static surface tension of 37.5 dynes/cm or less at 25° C. The system provides high print density and text sharpness when printed onto an ink receiving medium, and provides good performance in a bubbler-type ink tank which reduces the amount of ink trapped in the ink tank.
    • 一种喷墨打印系统,包括在墨水盒中具有打印头和喷墨油墨的喷墨打印机,该墨水罐将喷墨油墨供应到打印头,其中墨水盒包括通向大气并与空气流通的毛细管介质室, 油墨,其中喷墨油墨包括水,具有大于11重量%挥发性表面官能团的自分散炭黑颜料和浓度为0.10重量%以下的表面活性剂,并具有静电 表面张力在25°C时为37.5达因/厘米或更小。该系统在印刷到墨水接收介质上时具有高打印浓度和文字清晰度,并且在起泡器型墨水罐中提供了良好的性能,从而减少了捕获的墨水量 墨水罐。
    • 4. 发明授权
    • Process for making an optical compensator film comprising photo-aligned orientation layer
    • 制造包含光取向层的光学补偿膜的方法
    • US06582775B1
    • 2003-06-24
    • US10194100
    • 2002-07-12
    • Jason A. PayneJoseph W. Hoff
    • Jason A. PayneJoseph W. Hoff
    • C08F248
    • C09K19/02G02B5/3016
    • A process for making an optical compensator comprising the steps of coating a photo-alignable resin in a solvent onto a substrate; drying the resin-containing coating to form a orientable layer; heat treating the orientable layer before and/or after orientation, orienting the orientable layer in a predetermined direction; coating an anisotropic liquid crystal compound in a solvent carrier onto the orientation layer; drying the anisotropic layer. In a preferred embodiment, these steps are repeated so that the optical axis of a first anisotropic layer is positioned orthogonally relative to the respective optical axis of a second anisotropic layer about an axis perpendicular to the plane of the substrate.
    • 一种制造光学补偿器的方法,包括以下步骤:将可光取向的树脂在溶剂中涂布到基底上; 干燥含树脂的涂层以形成可取向层; 在取向之前和/或之后对可取向层进行热处理,使可取向层沿预定方向取向; 将溶剂载体中的各向异性液晶化合物涂布在取向层上; 干燥各向异性层。 在优选实施例中,重复这些步骤,使得第一各向异性层的光轴相对于垂直于衬底的平面的轴线相对于第二各向异性层的相应光轴正交地定位。
    • 9. 发明授权
    • Flexible seating structure for valves
    • 阀门柔性座椅结构
    • US5478047A
    • 1995-12-26
    • US441669
    • 1995-05-15
    • William J. BestJoseph W. HoffStephen J. SmickJames A. Skurka
    • William J. BestJoseph W. HoffStephen J. SmickJames A. Skurka
    • F16K1/226F16K5/06
    • F16K5/0673F16K1/2266
    • A rotary valve has a valve housing with a wall defining a flow passageway, a closure member journalled within the valve housing and mounted for movement between a first position for permitting flow of fluid within the flow passageway and a second position for ceasing flow of fluid within the flow passageway, and a flexible seating ring disposed at least partially within the flow passageway in a position for sealing engagement with the closure member in second position. The flexible seating ring has a flow-through section sized to fit within the flow passageway with a clearance fit, and a flanged seating section extending outwardly from the flow-through section and positioned for sealing contact with the closure member to seal the valve. A seating ring support member is positioned to support the seating ring in a manner to permit the seating ring to move axially and radially within the flow passageway to provide improved tolerance to dimensional variation in manufacture.
    • 旋转阀具有阀壳体,其具有限定流动通道的壁,闭合构件轴颈安装在阀壳体内并且安装成用于在用于允许流动通道内的流体流动的第一位置和用于停止流体流动的第二位置之间移动 流动通道以及至少部分地设置在流动通道内的第二位置处的密封接合位置的柔性安置环。 柔性座环具有流通部分,其尺寸设置成以间隙配合装配在流动通道内;以及法兰安装部分,其从流通部分向外延伸并定位成用于密封与闭合部件的密封以密封阀。 座环支撑构件被定位成以允许座环在流动通道内轴向和径向移动的方式支撑座环,以提供对制造中的尺寸变化的改进的公差。