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    • 3. 发明授权
    • Z-directon liquid transport medium
    • Z-directon液体输送介质
    • US5695487A
    • 1997-12-09
    • US733033
    • 1996-10-16
    • Bernard CohenLee Kirby JamesonRoger Bradshaw Quincy, III
    • Bernard CohenLee Kirby JamesonRoger Bradshaw Quincy, III
    • A61F13/15
    • A61F13/538A61F13/53713
    • A fibrous web having a length, a width and a thickness, with at least about 50 percent of the fibers aligned in a direction generally perpendicular to the length and width of the web. The web defines a plurality of spaced-apart gaps, each having a top and a bottom, and each of the gaps extends from one surface of the web at least about 50 percent through the thickness of the web. The density of a portion of the web defining the bottom of the gap is greater than the density of a portion of the web defining the top of the gap. The portion of the web which defines the top of the gap may be composed substantially of terminal ends of the fibers. In addition, the portion of the web which defines the bottom of the gap may be composed substantially of continuous fibers. The fibrous web may be a meltblown nonwoven web or a neck-stretched, meltblown nonwoven web. The fibrous web may be employed as a component of such absorbent products as diapers; incontinent care products; and feminine care products, such as sanitary napkins and tampons; filter elements; and the like. The web provides improved distribution of liquid in the direction of fiber alignment.
    • 具有长度,宽度和厚度的纤维幅材,其中至少约50%的纤维在大致垂直于幅材长度和宽度的方向上排列。 纸幅限定了多个间隔开的间隙,每个间隙具有顶部和底部,并且每个间隙从幅材的一个表面延伸通过幅材的厚度至少约50%。 限定间隙底部的幅材的一部分的密度大于限定间隙顶部的幅材的一部分的密度。 限定间隙顶部的纤维网部分可以基本上由纤维的末端组成。 此外,限定间隙底部的幅材部分可以基本上由连续纤维组成。 纤维网可以是熔喷非织造纤维网或颈部拉伸的熔喷非织造纤维网。 纤维网可以用作诸如尿布的吸收产品的组分; 失禁护理产品; 和女性护理产品,如卫生巾和卫生棉条; 滤芯; 等等。 纤维网提供了在纤维排列方向上改进的液体分布。