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    Patents

    Stretchable Structure with Striped Adhesive, Method for Producing, and Absorbent Article Comprising

    U.S. Patent No. 10,492,958

    01.03.20
    Tomotsugu Matsui, Ehime, Japan; Yosuke Mori, Ehime, Japan; Shunji Seno, Ehime, Japan; and Kento Fujima, Ehime, Japan.
    Assigned to Daio Paper Corporation, Ehime, Japan.

    Filed: 3/20/15
    Issued: 12/3/19

    A method for producing a stretchable structure of an absorbent article, the stretchable structure including a plurality of elongated resilient and elastic members provided with spaces left therebetween along an extending direction, and a first layer and a second layer facing one side and the other side of the resilient and elastic members, respectively, wherein the first layer and the second layer are joined together with an adhesive applied in a striped pattern intermittent in the extending direction so as to form sheet joined sections, the resilient and elastic members are fixed to the first layer and the second layer with the adhesive at positions intersecting with the sheet joined sections, and the first layer and the second layer contract with contraction of the resilient and elastic members and portions of the first layer and the second layer between the sheet joined sections swell to directions opposite to each other so as to form pleats, the method comprising: applying the adhesive to both an external surface of the first layer and an internal surface of the second layer in the same striped pattern intermittent in an MD direction while transporting the first layer and the second layer in the MD direction, and then, fixing the resilient and elastic members to the first layer and the second layer by bonding the first layer and the second layer to each other such that a position of the adhesive on the first layer in the MD direction and a position of the adhesive on the second layer in the MD direction are made to match with each other and sandwiching the resilient and elastic members between the first layer and the second layer continuously along the MD direction, wherein the position of the adhesive on the first layer in the MD direction and the position of the adhesive on the second layer in the MD direction are made to match with each other by dividing any one of the first layer and the second layer into a plurality of portions at intermediate positions in the CD direction and individually adjusting positions of these divided portions in the MD direction before the first layer and the second layer are bonded to each other.
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    Related Patents

    • Absorbent Article Manufacturing Apparatus and Method for Modifying Manufacturing Apparatus:

      U.S. Patent No. 10,449,096
      12.11.19

    • Method of Making a Mechanical Fastening Strip and Reticulated Mechanical Fastening Strip Therefrom:

      U.S. Patent No. 10,456,303
      12.11.19

    • Methods and Apparatus for Application of Nested Zero Waste Ear to Traveling Web:

      U.S. Patent No. 10,456,302
      12.11.19


    • Packaged Absorbent Article:

      U.S. Patent No. 10,398,611
      11.08.19

    • Method for Manufacturing Stretchable Elastic Member, and Disposable Diaper Using Stretchable Elastic

      U.S. Patent No. 10,398,609
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