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    • 1. 发明授权
    • Apparatus for processing photographic sheet material
    • 照相片材处理设备
    • US5452041A
    • 1995-09-19
    • US303673
    • 1994-09-09
    • Jan ClaesBart P. Verhoest
    • Jan ClaesBart P. Verhoest
    • G03D5/06G03D15/02G03F7/07G03D5/00
    • G03F7/07G03D15/02G03D5/067
    • An apparatus for processing photographic sheet material comprises a housing, a first roller shaft supported within the housing and first and second processing rollers rotatable on respective roller shafts supported within the housing. The second processing roller lies substantially parallel to the first, and in line contact therewith. Biasing means bias the roller shafts towards each other. Means are provided for feeding photographic sheet material between the rollers. Each of the rollers has a radially outer zone formed of deformable material and has a radial dimension profile which varies along the length thereof. Such a roller construction enables the bleeding of images on aluminium lithographic printing plates processed by the apparatus to be reduced.
    • 一种用于处理照相片材材料的设备包括:壳体,支撑在壳体内的第一辊轴,以及可在支撑在壳体内的相应辊轴上旋转的第一和第二加工辊。 第二处理辊基本上平行于第一处理辊并与其接触。 偏置装置意味着将辊轴彼此偏置。 提供用于在辊之间进给照相片材的装置。 每个辊具有由可变形材料形成的径向外部区域,并具有沿其长度变化的径向尺寸轮廓。 这种辊结构使得能够减少由设备处理的铝平版印刷版上的图像渗色。
    • 2. 发明授权
    • Apparatus for cleaning film
    • 清洗膜的设备
    • US5447170A
    • 1995-09-05
    • US144651
    • 1993-10-27
    • Ronald E. SteinRod A. Wayne
    • Ronald E. SteinRod A. Wayne
    • B08B7/02G03D15/02B08B3/04
    • G03D15/02B08B7/028
    • A film cleaning apparatus and method is disclosed where apparatus includes a feed reel and a take-up reel, and a film path created by a number of particle transfer rollers. Also in the film path is a region of high humidity followed by two buffing rollers for polishing the film to be cleaned. Two of the rollers are connected to a vibration generator mechanism. Vibration of the rollers is caused by a rotating disk having two embedded magnetic elements which pass closely adjacent to magnetic elements at the end of rollers' shafts. As the rotating magnets pass by the two shafts, a repulsion force causes the shafts to move away. Connected to each of the shafts is an O-ring which acts as a compression spring that biases its respective shaft back to its starting position after the magnetic elements have moved away from each other. By rotating the disk with the magnetic elements at 3600 rpm a vibration is set up in the shafts at a rate of 7200 times per minute. The region of high humidity is created by a vapor generating apparatus which includes a water container, a float meter, a reservoir, electronics to sense the position of the float so that a valve may be opened or closed, a transducer to excite the water and increase the amount of water vapor and a pump to move the water vapor from the reservoir to a cylindrical tube through which the film to be cleaned is passed. The particle transfer rollers have an outer layer of polyurethene for picking up dust, dirt and other debris from the film. The rollers have a quick release mechanism to allow the polyurethene layer to be removed and cleaned or replaced with a fresh polyurethene layer.
    • 公开了一种胶片清洁装置和方法,其中装置包括馈送卷轴和卷取卷轴,以及由多个颗粒转印辊产生的胶片路径。 另外在胶片路径中也是高湿度区域,然后是两个抛光辊,用于抛光待清洗的膜。 两个辊连接到振动发生器机构。 辊的振动是由具有两个嵌入式磁性元件的旋转盘引起的,这些磁性元件在辊轴的端部处紧密靠近磁性元件。 当旋转磁体通过两个轴时,排斥力使轴移开。 连接到每个轴的是O形圈,其作为压缩弹簧,其在磁性元件彼此远离之后将其相应的轴偏压回到其起始位置。 通过以3600rpm的磁性元件旋转盘,以每分钟7200次的速度在轴上建立振动。 高湿度区域由蒸汽发生装置产生,该蒸汽发生装置包括水容器,浮子计量器,储存器,用于感测浮子位置以使得阀可以打开或关闭的电子装置,用于激发水的换能器和 增加水蒸气的量和将水蒸汽从储存器移动到圆筒形管的泵,待清洗膜通过该圆筒管。 颗粒传送辊具有用于从膜吸收灰尘,污垢和其它碎屑的聚酯的外层。 辊具有快速释放机构,以允许将聚烯烃层除去并清洁或用新鲜的聚酯基层代替。
    • 6. 发明授权
    • Control means for a drier
    • 用于干燥器的控制装置
    • US4439931A
    • 1984-04-03
    • US357625
    • 1982-03-12
    • Masaji Mizuta
    • Masaji Mizuta
    • B41F23/04F26B13/00F26B21/06G03D15/02F26B21/10F26B21/12
    • B41F23/044F26B13/00F26B21/06G03D15/02
    • Control means for a drier for films or sheets using a minimum of electric power. A heater is connected to a semiconductor switch and an alternating-current power supply in series. An oscillator outputs a pulse to a turn-on terminal of the semiconductor switch via an OR gate in synchronization with a certain phase angle of the wave form of the alternating voltage turning on the semiconductor switch for approximately 10% of the rated value of the heater thereby preheating the heater. When an entrance sensor detects the presence of films or sheets entering the drier, a starting signal is sent to a flip-flop circuit which outputs a high level signal to the turn-on terminal of the semiconductor switch via the OR gate activating the heater to full rated value. The high level signal is also sent to the turn-on terminal of a second semiconductor switch activating a second heater and a blower. When an exit sensor detects the presence of films or sheets leaving the drier, the exit sensor sends a stopping signal to the flip-flop circuit which outputs a low level signal turning off the second heater and blower and returning the first heater to the preheat phase.
    • 用于使用最小电力的薄膜或片材的干燥器的控制装置。 加热器串联连接到半导体开关和交流电源。 振荡器通过OR门与半导体开关的导通端子同步输入一个脉冲,该开关端子与半导体开关的交流电压波形的一定相位角同步加热器额定值的大约10% 从而预热加热器。 当入口传感器检测到进入干燥器的薄膜或片材的存在时,将起始信号发送到触发器电路,该触发器电路经由激活加热器的或门向半导体开关的导通端子输出高电平信号 全额定值。 高电平信号也被发送到启动第二加热器和鼓风机的第二半导体开关的导通端子。 当出口传感器检测出离开干燥器的薄膜或片材的存在时,出口传感器向触发器电路发送停止信号,该触发器电路输出低电平信号,关闭第二加热器和鼓风机,并将第一加热器返回到预热阶段 。