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    • 43. 发明授权
    • Method for making a stable nonwoven web having enhanced extensibility in multiple direction
    • 制造在多个方向上具有增强的伸长性的稳定的非织造纤维网的方法
    • US06506329B1
    • 2003-01-14
    • US09600470
    • 2000-07-17
    • John Joseph CurroDouglas Herrin Benson
    • John Joseph CurroDouglas Herrin Benson
    • B29C5514
    • D04H1/74B29C55/08B29C55/146B29C55/18B29K2313/00B32B5/04B32B2305/20D04H1/54D04H1/544D04H1/56D04H1/70D04H3/005D04H3/02D04H3/033D04H3/14D04H3/16D04H13/00Y10T156/1023
    • The present invention provides a stable material having enhanced extensibility and a method for making the same. A neckable material is fed in a first direction. The neckable material is subjected to incremental stretching in a direction perpendicular to the first direction. A tensioning force is applied to the neckable material to neck the material in a direction perpendicular to the first direction. The necked material is then subjected to mechanical stabilization to provide a stabilized extensible necked material. The stabilized extensible necked material is then passed between the peripheral surface of a cylinder which is driven in rotating motion and a device for pressing the stabilized extensible necked material against the peripheral surface of the cylinder. A retarding member retards the passage of the stabilized extensible necked material and directs the material away from the peripheral surface of the cylinder. The stabilized extensible necked material is easily extended in a direction parallel to the first direction and perpendicular to the first direction.
    • 本发明提供了具有增强的伸长性的稳定材料及其制造方法。 颈缩材料沿第一方向进给。 可颈缩材料在垂直于第一方向的方向上进行增量拉伸。 将拉伸力施加到可颈缩材料上以在垂直于第一方向的方向上颈缩材料。 然后将颈缩材料进行机械稳定化以提供稳定的可伸长的颈缩材料。 然后将稳定的可伸缩的颈缩材料通过在旋转运动中驱动的圆筒的圆周表面和用于将稳定的可伸缩颈缩材料压靠在圆筒的圆周表面上的装置。 延迟构件延伸稳定的可伸展颈缩材料的通道,并引导材料远离气缸的圆周表面。 稳定的可伸长的颈缩材料容易沿平行于第一方向并垂直于第一方向的方向延伸。