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    • 2. 发明申请
    • METHOD FOR FORMING A WEB OF TRANSVERSELY COMPACTED FIBROUS MATERIAL WITH VOLUMINOSITY AND EXTENSIBILITY INCREASE, AND APPARATUS FOR IMPLEMENTING THE METHOD
    • 用于形成具有体积和可扩展性增加的横向压缩纤维材料网的方法,以及用于实施方法的装置
    • WO2013050810A1
    • 2013-04-11
    • PCT/IB2012/000380
    • 2012-02-27
    • TRANI, GiorgioSTERNER, Marion
    • TRANI, GiorgioSTERNER, Marion
    • B31F1/18D21H25/00D21H27/00
    • B31F1/18D04H1/425D04H1/4382D21H25/005D21H27/00
    • A method for forming webs of transversely compacted fibrous material with voluminosity and extensibility increase, starting from a base web (30) of pliable fibrous material having a water content between 5 and 95%, placed on an endless elastic conveyor belt (2) made to advance along a support structure (4) and subjected to at least one localized temporary transverse extension, characterised by causing a substantially flat section of said belt to extend by passing it in correspondence with at least one pair of extender elements (26) which are fixed with respect to said support structure and act simultaneously and in opposing directions in proximity to the longitudinal edges of said belt (2) in a direction parallel to the surface of said substantially flat section, then depositing said base web (30) of fibrous material on said section just as it starts its elastic return to its initial configuration, then subjecting it during this step to partial drying and moisture removal.
    • 从具有5%至95%的水含量的柔软纤维材料的基底纤维网(30)开始,放置在环形弹性输送带(2)上制成的用于形成具有膨胀和延展性的横向压实纤维材料的网的方法增加 沿着支撑结构(4)前进并且经受至少一个局部临时横向延伸,其特征在于,使所述带的基本上平坦的部分通过与至少一对固定的延伸元件(26)相对应地延伸 相对于所述支撑结构,并且沿着平行于所述基本上平坦部分的表面的方向在所述带(2)的纵向边缘附近的相反方向上作用,然后将所述纤维材料的所述基底网(30)沉积在 所述部分正如开始其弹性恢复到其初始配置,然后在该步骤中对其进行部分干燥和除湿。