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Patents

Wearing Article:

U.S. Patent No. 10,064,765

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By: Karen McIntyre

Editor, Nonwovens Industry

Shunsuke Takino, Kagawa, Japan.
Assigned to Unicharm Corporation, Ehime, Japan.

Filed: 12/16/10
Issued: 9/4/18

A wearing article having a longitudinal direction and a transverse direction, comprising: a chassis comprising a side facing the wearer’s body, a side facing the wearer’s garment, a first waist region corresponding to one of front and rear waist regions, a second waist region corresponding to the other of the front and rear waist regions and a crotch region extending between the first and second waist regions; a liquid-absorbent structure lying on the side of the chassis facing the wearer’s body and extending across the crotch region into the first and second waist regions, said liquid-absorbent structure including a liquid-absorbent core; a waist opening and a pair of leg openings; and first and second cover sheets that are each spaced apart from the waist opening, the first cover sheet is adapted to cover a first end of the liquid-absorbent structure and lying in the first waist region and the second cover sheet is adapted to cover a second end of the liquid-absorbent structure lying in the second waist region, wherein: the first cover sheet includes a first bonded region extending in the transverse direction over a greater distance than in the longitudinal direction and is adapted to be bonded to the liquid-absorbent structure or the chassis and a first non-bonded region adjacent to an inner or outer side of the first bonded region as viewed in the longitudinal direction, the second cover sheet includes a second bonded region extending in the transverse direction over a greater distance than in the longitudinal direction and is adapted to be bonded to the liquid absorbent structure or the chassis and a second non-bonded region adjacent to an inner or outer side of the second bonded region as viewed in the longitudinal direction, wherein at least one of the first and second non-bonded regions is formed with a fold line extending in the transverse direction and folded back along the fold line toward the side facing the wearer’s body to form a turnback which turnback does not overlap the liquid-absorbent core, each of the first and second waist regions has waist elastic elements including a plurality of elastic yarns or threads and extending in the transverse direction which are attached under extension and in a contractible manner thereto, and the first and second waist regions are bonded together along respective opposite side edges so as to form seams and the turnback is kept in a folded back state by the seams.

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