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    • 124. 发明公开
    • Press roll for paper machines
    • PresswalzefürPapiermaschinen。
    • EP0481321A1
    • 1992-04-22
    • EP91117054.6
    • 1991-10-07
    • YAMAUCHI CORPORATION
    • Watanabe, AtsuoAbe, Tatsuyuki
    • D21F3/08
    • F16C13/00D21F3/08
    • A paper machine press roll (1) comprising a metal core (2), a ground layer (4) formed over the outer periphery of the core (2) and made of a metal material having a small coefficient of expansion, and a mixture layer (3) formed over the outer periphery of the ground layer (4) and comprising a ceramic and a water retentivity imparting particulate substance such as mica. At least in a surface layer portion of the mixture layer (3), an organic high polymer such as synthetic resin or wax is filled in the interstices between particles of the ceramic and particles of the water retentivity imparting substance.
    • 一种造纸机压辊(1),包括金属芯(2),形成在所述芯(2)的外周上并由具有小膨胀系数的金属材料制成的接地层(4)和混合层 (3),其形成在所述接地层(4)的外周上并且包括陶瓷和赋予水的保持性的颗粒物质如云母。 至少在混合层(3)的表层部分中,将有机高分子如合成树脂或蜡填充在陶瓷的颗粒与保水性赋予物质的颗粒之间的空隙中。