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    • 37. 发明公开
    • A paper making machine, an extended nip roll and a method of producing tissue paper
    • Papierherstellungsmaschine,eineverlängerteAnpresswalze und Verfahren zur Herstellung von Tissuepapier
    • EP2602387A1
    • 2013-06-12
    • EP11192428.8
    • 2011-12-07
    • Metso Paper Sweden AB
    • Gustavsson, Tord
    • D21F3/02D21F11/00D21F11/14
    • D21F3/045D21F3/0209D21F3/0281D21F3/086D21F11/006D21F11/14
    • The invention relates to an arrangement arranged to introduce a three-dimensional structure in a paper during production of said paper in a paper making machine (1). The arrangement comprises a heat roll (14) arranged to dry a wet paper web and an extended nip roll (12) arranged to form a transfer nip (TN) with said heat roll (14). The extended nip roll (12) is provided with a flexible jacket (17) arranged around the circumferential area of said extended nip roll (12). An external surface of said flexible jacket (17) is provided with a textured portion (15) and when the wet paper web passes the transfer nip between said extended nip roll (12) and said heat roll (14), said textured portion (15) of the external surface of the flexible jacket (17) will impart a three-dimensional texture to the paper web.
    • 本发明涉及一种布置成在造纸机(1)中生产纸张期间将三维结构引入纸中的布置。 该装置包括布置成干燥湿纸幅的热辊(14)和布置成与所述加热辊(14)形成转印辊隙(TN)的延伸压合辊(12)。 延伸压合辊(12)设置有围绕所述延伸压合辊(12)的周向区域布置的柔性护套(17)。 所述柔性护套(17)的外表面设置有纹理部分(15),并且当湿纸幅通过所述延伸压合辊(12)和所述热辊(14)之间的转印辊隙时,所述纹理部分(15) )将柔性护套(17)的外表面赋予纸幅三维纹理。