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    • 65. 发明公开
    • Spiral base structures for long nip paper machine press belts
    • Springformiges ArmierungsbandfürPressbänderzum Einsatz in Langspaltpresse
    • EP0761873A1
    • 1997-03-12
    • EP96306358.1
    • 1996-09-03
    • ALBANY INTERNATIONAL CORP.
    • Gröndahl, Erik Wilhelm
    • D21F3/02
    • D21F3/0227D21F3/0236D21F7/083D21F7/086Y10S162/901Y10T156/108Y10T442/2008Y10T442/2885
    • A belt (16) for use on a long nip press (10) for dewatering a fibrous web (24) includes a base (40) assembled by spirally winding a prepared structure strip (34) in a plurality of non-overlapping turns. Successive turns are abutted against and joined to those previously wound by sewing or otherwise bonding along the continuous spiral seam 38 thus formed. The prepared structure strip (34) may be a fabric strip (34) of a single- or multi-layer weave, woven from lengthwise (48) and crosswise yarns (50), which may be monofilament yarns of a synthetic polymeric resin. At least one side of the base (40), the side which will be on the inside of the belt and which slides over the pressure shoe (14) is coated with a polymeric resin, such as polyurethane, to protect it from wear and render it impervious to oil and water. The coating (54) is ground and buffed to provide the belt (16) with a smooth surface and a uniform thickness.
    • 在用于使纤维幅材(24)脱水的长辊隙压机(10)上使用的带(16)包括通过以多个不重叠的匝螺旋地卷绕制备的结构带(34)而组装的基座(40)。 连续的匝被沿着沿着这样形成的连续螺旋缝38缝合或以其他方式粘接的先前缠绕的那些接合。 制备的结构条(34)可以是由纵向(48)和横向纱(50)编织的单层或多层织物的织物条(34),其可以是合成聚合物树脂的单丝纱线。 底座(40)的至少一侧,将位于带的内侧并且在压力靴(14)上滑动的一侧涂覆有聚合物树脂,例如聚氨酯,以保护其免受磨损和变形 它不透油和水。 将涂层(54)研磨并抛光,以使带(16)具有光滑的表面和均匀的厚度。