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    • 10. 发明公开
    • Transfer belt
    • Überführungsband。
    • EP0576115A1
    • 1993-12-29
    • EP93301259.3
    • 1993-02-22
    • ALBANY INTERNATIONAL CORP.
    • Eklund, Nils OlaFagerholm, Lars Erik ChristianMuscato, Lynne Rita
    • D21F3/02D21F3/04
    • D21F3/0227D21F3/045D21F7/086Y10S162/901Y10T442/2066Y10T442/2074Y10T442/3764
    • A transfer belt (60) for carrying a paper sheet (40) in a papermachine from a press nip in a closed draw to a transfer point, where it is readily released. The belt comprises a supporting base (62) with a particle-filled polymer coating (80) on its paper-facing surface (66), which surface has a pressure-responsive recoverable degree of roughness. During compression in the nip, the surface (66) becomes relatively smooth to allow a thin, almost continuous water film (100) to form between the belt (60) and the sheet (40), which film holds the sheet to the transfer belt as it leaves the nip. Shortly after leaving the nip, the belt surface recovers its uncompressed roughness, breaking up the water film so as to facilitate the release of the sheet from the belt as it reaches the transfer point.
    • 一种转印带(60),用于将造纸机中的纸张(40)从封闭抽出的压榨区域运送到转移点,其中易于释放。 带包括在其面向纸的表面(66)上具有颗粒填充聚合物涂层(80)的支撑基底(62),该表面具有压力响应可恢复的粗糙度。 在辊隙中的压缩期间,表面(66)变得相对平滑,以允许在带(60)和片材(40)之间形成薄的几乎连续的水膜(100),该膜将片材保持在转印带 当它离开了压区。 在离开辊隙后不久,带表面恢复其未压缩的粗糙度,破坏了水膜,以便当纸张到达转印点时便于将纸张从带中释放出来。