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    • 3. 发明公开
    • KONTAKTWALZE
    • EP3221243A1
    • 2017-09-27
    • EP15798364.4
    • 2015-11-16
    • Windmöller & Hölscher KG
    • FINNEMORE, DavidWULFERT, AlexanderHOFFMANN, Frank
    • B65H18/26
    • The invention relates to a contact roll (1) for pressing at least one web of material (2), preferably a web of plastic film, against at least one rotating winding device (3), the contact roll (2) comprising a surface layer (32). There are at least two axially spaced-apart segments (36) which extend in the circumferential direction and in which the quality of the surface layer (32) differs from the quality of the other areas of the surface layer, at least some portions of said segments being in contact with the edges (9, 10) of the at least one web of material (2).
    • 本发明涉及一种用于将至少一个材料幅(2)(优选为塑料薄膜幅)压靠在至少一个旋转卷绕装置(3)上的接触辊(1),所述接触辊(2)包括表面层 (32)。 存在至少两个在圆周方向上延伸的轴向间隔开的区段(36),并且其中表面层(32)的质量不同于表面层的其他区域的质量,所述至少一些部分的所述 节段与至少一个材料幅(2)的边缘(9,10)接触。