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    Surface for directional fluid transport including against external pressure
    13.
    发明授权
    Surface for directional fluid transport including against external pressure 有权

    公开(公告)号：US10927853B2

    公开(公告)日：2021-02-23

    申请号：US16496979

    申请日：2018-03-22

    Applicant: KIMBERLY-CLARK WORLDWIDE, INC.

    Inventor： Karen M. Goeders ,  Marsha R. Forthofer ,  Wing-Chak Ng

    IPC: F04F7/00 ,  F04B19/00

    Abstract: A capillary structure for passive, directional fluid transport, includes a capillary having a forward direction and a backward direction extending in an x-y plane and a depth extending in a z-direction, the capillary including first and second capillary units each having a diverging section having a backward end, a forward end, and a width in the y-direction, wherein the width increases from the backward end to the forward end, wherein the backward end of the second capillary unit diverging section is connected to the forward end of the first capillary unit diverging section to form a transition section having a step decrease in width from the forward end of the first capillary unit diverging section to the backward end of the second capillary unit diverging section, and wherein the depth in the transition section is less than the depth in each diverging section.

    SURFACE FOR DIRECTIONAL FLUID TRANSPORT INCLUDING AGAINST EXTERNAL PRESSURE
    14.
    发明申请
    SURFACE FOR DIRECTIONAL FLUID TRANSPORT INCLUDING AGAINST EXTERNAL PRESSURE 审中-公开

    公开(公告)号：US20200096009A1

    公开(公告)日：2020-03-26

    申请号：US16496979

    申请日：2018-03-22

    Applicant: KIMBERLY-CLARK WORLDWIDE, INC.

    Inventor： Karen M. Goeders ,  Marsha R., Forthofer ,  Wing-Chak Ng

    IPC: F04F7/00 ,  F04B19/00

    Abstract: A capillary structure for passive, directional fluid transport, includes a capillary having a forward direction and a backward direction extending in an x-y plane and a depth extending in a z-direction, the capillary including first and second capillary units each having a diverging section having a backward end, a forward end, and a width in the y-direction, wherein the width increases from the backward end to the forward end, wherein the backward end of the second capillary unit diverging section is connected to the forward end of the first capillary unit diverging section to form a transition section having a step decrease in width from the forward end of the first capillary unit diverging section to the backward end of the second capillary unit diverging section, and wherein the depth in the transition section is less than the depth in each diverging section.

    MICRO- AND NANO-STRUCTURED FIBER-BASED SUBSTRATES
    16.
    发明申请
    MICRO- AND NANO-STRUCTURED FIBER-BASED SUBSTRATES 有权

    公开(公告)号：US20210292944A1

    公开(公告)日：2021-09-23

    申请号：US17258563

    申请日：2018-07-10

    Applicant: KIMBERLY-CLARK WORLDWIDE, INC.

    Inventor： Stephen M. Lindsay ,  Wing-Chak Ng ,  Keyur Desai

    IPC: D04H1/4291 ,  D06C23/04 ,  D04H3/14 ,  D04H3/018

    Abstract: A nonwoven substrate includes individual fibers each having a fiber surface and a fiber diameter, wherein a portion of the individual fibers include a micro-embossed pattern, and wherein the micro-embossed pattern includes pattern elements equal to or smaller than the fiber diameter. The pattern elements can be recessed into and/or extend out of the fiber surface, and the nonwoven substrate can include polypropylene or polyethylene. A disposable absorbent article includes a nonwoven substrate having individual fibers each having a fiber surface and a fiber diameter, wherein a portion of the individual fibers include a micro-embossed pattern, and wherein the micro-embossed pattern includes pattern elements equal to or smaller than the fiber diameter.

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