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    Patents

    Absorbent Article and Manufacturing Method Thereof:

    U.S. Patent No. 9,655,790

    09.11.17
    Ryoko Kurihara, Sakura, Japan.
    Assigned to Daio Paper Corporation, Ehime, Japan.

    Filed: 5/28/13
    Issued: 5/23/17

    An absorbent article comprising an absorber disposed between a permeable front surface sheet and a rear surface sheet, the front surface sheet being comprised of a non-woven fabric, wherein the front surface sheet is provided, at predetermined intervals in a width direction of the absorbent article, with a ridge-shaped portions of predetermined height relative to a base plane of the front surface sheet, the ridge-shaped portions extending in a longitudinal direction of the absorbent article, and the front surface sheet is also provided with dot-shaped embossments in recessed portions between pairs of adjacent ridge-shaped portions, the dot-shaped embossments being concave in a direction normal to the base plane of the front surface sheet, the dot-shaped embossments in each of the recessed portions being laterally spaced from a longitudinal centerline of the recessed portion and being proximate to a side of one of the ridge-shaped portions adjacent to the recessed portion, the embossments in each of the recessed portions alternating left and right relative to the centerline so that imaginary lines connecting longitudinally successive embossements in the recessed portions are in a zigzag configuration, and wherein, in a cross section passing through any one of the dot-shaped embossments in the width direction of the absorbent article, an inclined surface of the dot-shaped embossment on a side of the dot-shaped embossment adjacent to the ridge-shaped portion is steeper than an inclined surface of the dot-shaped embossment on the side of the dot-shaped embossment distant from the ridge-shaped portion, and a cross sectional shape of the ridge-shaped portion is thereby asymmetrical.
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    • japan
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