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    • 2. 发明授权
    • Apparatus and method for printing multi-color images onto cylindrical
body
    • 将多色图像印刷到圆柱体上的装置和方法
    • US5970865A
    • 1999-10-26
    • US26920
    • 1998-02-20
    • Roland HorthKarl FleischerPaul ChoateCraig Whipple
    • Roland HorthKarl FleischerPaul ChoateCraig Whipple
    • B41F17/22B41M1/14B41M1/40
    • B41F17/22B41M1/14B41M1/40
    • An apparatus and method for printing multi-color images onto a cylindrical body includes ink adhesion mechanisms that adhere different colors of ink to an outer peripheral surface of the cylindrical body. Ink drying mechanisms are included for drying the different colored inks adhered to the cylindrical body after the completion of the respective ink adhesion processes. Each of the ink adhesion mechanisms is arranged such that a mandrel, about which the cylindrical body is held, is moved in an arc along the outer periphery of a cylinder-shaped blanket which is disposed around the outer peripheral surface of an blanket cylinder. Ink is applied to the cylindrical body from the blanket at a position where the cylindrical body contacts the blanket. The blanket cylinder is rotated about an axis thereof in the direction opposite to the moving direction of the mandrel. The mandrel is rotated about an axis thereof so that a relative velocity of the cylindrical body and the blanket at the contact portion is zero. With this arrangement, multi-color images of high quality can be printed onto the cylindrical body at a high velocity with pinpoint accuracy.
    • 用于将多色图像印刷到圆柱形主体上的装置和方法包括将不同颜色的墨粘附到圆柱体的外周表面的墨粘附机构。 包括油墨干燥机构,用于在完成各自的油墨附着工艺之后干燥附着在圆筒体上的不同着色油墨。 每个油墨粘合机构被布置成使得保持圆筒体的心轴沿着布置在橡皮布滚筒的外周表面周围的圆筒形橡皮布的外周沿电弧移动。 在圆筒体接触毛毯的位置处,将油墨从橡皮布施加到圆筒体上。 橡皮滚筒围绕其轴线沿与心轴的移动方向相反的方向旋转。 心轴围绕其轴线旋转,使得圆柱体和橡皮布在接触部分处的相对速度为零。 通过这种布置,可以精确地精确地以高速度将高质量的多色图像印刷到圆筒体上。