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    • 20. 发明授权
    • Fibrous structure having increased surface area
    • 纤维结构具有增加的表面积
    • US06660129B1
    • 2003-12-09
    • US09695117
    • 2000-10-24
    • David William CabellPaul Dennis Trokhan
    • David William CabellPaul Dennis Trokhan
    • D21F1100
    • D21F11/006G03F7/12Y10T428/24479Y10T428/24612
    • A fibrous structure having at least a first region defining a first plane and having a first elevation, and a second region outwardly extending from the first plane to define a second elevation, wherein the second region comprises a plurality of fibrous pillows. At least some of the fibrous pillows comprise fibrous domes and fibrous cantilever portions laterally extending therefrom at the second elevation. The cantilever portions are elevated from the first plane to form pocket therebetween. In a cross-section perpendicular to the first plane the fibrous pillow has a cross-sectional base measured at the first elevation and a cross-sectional perimeter, wherein a ratio of the cross-sectional perimeter to the cross-sectional base is greater than 4/1. A laminated fibrous structure is also disclosed, comprising at least one fibrous sheet having a plurality of fibrous cantilever portions. A process for making the fibrous structure comprises the steps of providing a plurality of fibers disposed on a deflection member comprising a patterned framework having a backside and a web-side opposite thereto and a deflection conduits portions, including a plurality of suspended portions elevated from a plane formed by the backside to form void spaces therebetween; and deflecting a portion of the fibers into the deflection conduits such as to cause some of the deflected fibers to be disposed within said void spaces, thereby forming the fibrous domes and the cantilever portions laterally extending therefrom.
    • 一种纤维结构,其至少具有限定第一平面并具有第一高度的第一区域,以及从所述第一平面向外延伸以限定第二高度的第二区域,其中所述第二区域包括多个纤维枕头。 纤维枕头中的至少一些包括在第二高度处从其横向延伸的纤维圆顶和纤维悬臂部分。 悬臂部分从第一平面升高以在其间形成袋。 在垂直于第一平面的横截面中,纤维枕头具有在第一高度处测量的横截面基底和横截面周长,其中横截面周长与横截面基部的比率大于4 / 1。 还公开了一种叠层纤维结构体,其包括至少一个具有多个纤维悬臂部分的纤维片。 制造纤维结构的方法包括以下步骤:提供设置在偏转构件上的多个纤维,其包括具有背面和与其相对的腹板侧的图案化框架,以及偏转导管部分,包括多个悬挂部分 平面由背面形成,以形成空隙; 并且将一部分纤维偏转到偏转导管中,以使一些偏转的纤维布置在所述空隙内,从而形成从其横向延伸的纤维圆顶和悬臂部分。