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    • 2. 发明申请
    • Universal under-packing for rubber-coated fabrics on offset printing press cylinders
    • 胶版印刷机用橡胶涂布织物的通用底层包装
    • US20030099801A1
    • 2003-05-29
    • US10191349
    • 2002-07-08
    • PRINTGRAPH WATERLESS S.R.L.
    • Roberto Levi Acobas
    • B32B009/00
    • B32B7/00B41F30/00B41N10/00Y10T428/14Y10T428/1467Y10T428/1476Y10T428/1486Y10T428/24793Y10T428/2848
    • Sheets of rubber-coated fabric are mounted on the cylinders of offset printing presses. An under-packing formed from the combination of a flexible supporting sheet (12), which may however be dispensed with, and a multiplicity of flexible graded sheets (14) has to be interposed between the cylinder surface and the rubber-coated fabric to obtain a predetermined total thickness which varies as the type of printing press varies. The total thickness of the universal under-packing (10) according to the invention is equal to a predetermined maximum thickness. The thickness of the sheets (12, 14) of the universal under-packing (10) is chosen such that by removing from the universal under-packing (10) one or more graded sheets (14), the thickness which has to be obtained for any specific case can be sufficiently approximated to. That face of each of the graded sheets (14) of the universal under-packing (10) which, when the under-packing is mounted on the impression cylinder, faces inwards, but with the exception of the face of the most inner graded sheet (14) if the supporting sheet (12) is not present, is treated with a sticker of the type which, while maintaining the sheets (12, 14) united, enables them to be separated from each other.
    • 橡胶涂层织物的片材安装在胶版​​印刷机的圆筒上。 由弹性支撑片(12)的组合形成的底部填充物可以被分配,并且多个柔性分级片(14)必须插入在圆筒表面和橡胶涂覆的织物之间以获得 预定的总厚度随印刷机的类型而变化。 根据本发明的通用底层(10)的总厚度等于预定的最大厚度。 选择通用底层(10)的片材(12,14)的厚度,使得通过从通用底层(10)去除一个或多个分级片材(14),必须获得必须的厚度 对于任何具体情况都可以充分接近。 通用底层包装(10)的每个分级片(14)的表面,当底部填充物安装在压印滚筒上时,面向内,但除了最内层的片材的表面 (14)如果不存在所述支撑片材(12),则使用在将所述片材(12,14)保持在一起的同时使其能够彼此分离的类型的贴纸来处理。