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    • 56. 发明公开
    • UNDERPANTS-TYPE DISPOSABLE WEARABLE ARTICLE
    • EP4417174A1
    • 2024-08-21
    • EP22898248.4
    • 2022-10-07
    • Daio Paper Corporation
    • OKADA, YukiMANABE, Sadanao
    • A61F13/496A61F13/51
    • A61F13/496A61F13/51
    • The problem is to reduce unnecessary deformation of a side seal region. The above problem is solved by the following solution. The outer member 12F, 12B, has: on bonded sites 80 extending in a front-back direction LD to cross elastic members 15, 17, bonded portions, which are disposed, for a first sheet 12S and second sheet 12H, at least at both sides of the respective elastic members 15, 17 in the front-back direction LD so as to closely adhere thereto; and fixed portions 84 for fixing the elastic members 15, 17. At least one of side seal regions 12A includes: the fixed portion 84, which is, for the elastic members 15, 17, separated laterally from an inner edge thereof in a width direction WD; and a group of welded portions 70, which is at least partly included in a rectangular-shaped range RA having a length in the front-back direction LD of 1.5 mm each upward and downward from the fixed portion 84. When the group of the welded portions 70 is viewed along the front-back direction LD, a non-welded portion 72 has a dimension in the width direction WD of less than 1.5 mm, a maximum diameter of each welded portion 70 is 0.5 to 2.0 mm, and an area ratio of the welded portions 70 to the side seal region 12A is 5 to 30%.