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    • 38. 发明公开
    • Low affinity coating blanket for rotary offset presses
    • Beschichtungstuch mit schwacherAffinitätzur Verwendung in Offset-Rotationsdruckmaschinen。
    • EP0629514A1
    • 1994-12-21
    • EP93308812.2
    • 1993-11-04
    • DeMoore, Howard W.
    • DeMoore, Howard W.
    • B41N10/04
    • B41N10/04B41N2210/02B41N2210/14
    • The transfer layer (28) of a coating blanket (10) has a low affinity for liquid coating material or ink, rather than a high affinity which characterizes conventional nitrile rubber and photopolymer blankets. The low affinity material, for example a fluorinated polymer or a silicone elastomer, resists wetting by the liquid media, and has a tendency to form a non-spreading bead or droplet of the liquid coating material on the transfer media surface. The low affinity surface provides smooth and quick release of the substrate from the nip between the coating blanket cylinder (12) and the impression cylinder (20). The low affinity transfer surface further inhibits the accumulation of ink and/or liquid coating material, thereby preventing split images, ghost images, offset images and back-trapping defects.
    • 涂层毯(10)的转印层(28)对液体涂料或油墨具有低亲和力,而不是表征常规丁腈橡胶和光聚合物毯的高亲合力。 低亲和性材料,例如氟化聚合物或硅氧烷弹性体,抵抗液体介质的润湿,并且具有在转印介质表面上形成液体涂覆材料的不扩散珠或液滴的倾向。 低亲和力表面提供了基材从涂布橡皮布滚筒(12)和压印滚筒(20)之间的辊隙的平滑且快速的释放。 低亲和力转印表面进一步抑制油墨和/或液体涂料的积聚,从而防止分割图像,重影图像,偏移图像和反向捕获缺陷。
    • 39. 发明公开
    • Vertical reference and attitude system
    • Vertikalreferenz- und Lagesystem。
    • EP0625693A2
    • 1994-11-23
    • EP94300256.8
    • 1994-01-14
    • WATSON INDUSTRIES, INC.
    • Watson, William S.Karnick, Drew A.
    • G01C21/18G05D1/08
    • G01C21/18
    • The present invention provides a vertical reference that includes a sensor (14) for providing an input signal indicative of angular tilt from the predetermined reference axis; a sensor for detecting the rate of angular tilt; an integrator (26) to integrate the angular rate signal to provide a dynamic angular tilt signal that tracks the dynamics of the angular tilt input signal; a pendulum (12) to provide a signal indicative of angular displacement relative to the predetermined axis; a first amplifier (42) for filtering and amplifying the dynamic angular tilt signal and the angular displacement signal to produce a first amplified signal; a second amplifier (44) for filtering and amplifying the dynamic angular tilt signal and the angular displacement signal to produce a second amplified signal; and a dual input amplifier (60) for combining and amplifying the first and second amplified signals to produce an output signal indicative of vertical reference and attitude. In another embodiment of the present invention a vertical reference apparatus includes a cascaded second-order filter or control loop having a first second-order loop (112) that receives its inputs from the pendulum and the angular rate sensor and a second second-order loop (152) that receives as its inputs the output signal of the first loop and the angular rate sensor. The output of the second loop is provided to a control system for the structure whose orientation is desired to be measured or stabilized. In this alternative embodiment of the present invention each control loop includes a summing amplifier, a summing damped integrator, an inverting amplifier, and an integrator.
    • 本发明提供了一种垂直参考,其包括用于提供表示来自预定参考轴的角度倾斜的输入信号的传感器(14) 用于检测角度倾斜率的传感器; 积分器(26),用于积分角速率信号以提供跟踪角度倾斜输入信号的动力学的动态角度倾斜信号; 摆锤(12),用于提供指示相对于预定轴线的角位移的信号; 第一放大器(42),用于滤波和放大动态角度倾斜信号和角位移信号以产生第一放大信号; 第二放大器(44),用于滤波和放大动态角度倾斜信号和角位移信号以产生第二放大信号; 以及用于组合和放大第一和第二放大信号以产生指示垂直参考和姿态的输出信号的双输入放大器(60)。 在本发明的另一个实施例中,垂直参考装置包括级联的二阶滤波器或控制回路,其具有从摆锤和角速度传感器接收其输入的第一二阶回路(112)和第二二阶回路 (152),其接收第一回路和角速度传感器的输出信号作为其输入。 将第二回路的输出提供给用于要求测量或稳定其取向的结构的控制系统。 在本发明的另一个实施例中,每个控制回路包括一个求和放大器,一个加法阻尼积分器,一个反相放大器和一个积分器。