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1. 发明申请

US20210059869A1 ABSORBENT ARTICLE 有权
公开(公告)号：US20210059869A1
公开(公告)日：2021-03-04
申请号：US16958345
申请日：2017-12-27
申请人： KAO CORPORATION
发明人： Kosuke ARITA , Akiyuki UEDA , Yuko FUKUDA , Yasuyuki OKUDA
IPC分类号： A61F13/494
摘要： An absorbent article (1) of the present invention includes a leg cuff (24). The leg cuff (24) has leg elastic members (25). The leg cuff (24) can be divided, by an imaginary line (IL) passing through the center (ct) between an outermost leg elastic member (25s) that is located farthest outward and an innermost leg elastic member (25i) that is located farthest inward, into a leg cuff first region (ST) that extends from the imaginary line (IL) up to and including the outermost leg elastic member (25s) and a leg cuff second region (IT) that extends from the imaginary line (IL) up to and including the innermost leg elastic member (25i). When the elongation amount of the leg cuff first region (ST) and the leg cuff second region (IT) in a natural state is defined as 0, and the elongation amount thereof in a maximally stretched state is defined as 100, the stress in the leg cuff first region (ST) is greater than the stress in the leg cuff second region (IT) when the elongation amount is 5. Moreover, the stress in the leg cuff second region (IT) is greater than the stress in the leg cuff first region (ST) when the elongation amount is 100.

2. 发明申请

US20200289340A1 ABSORBENT ARTICLE 审中-公开
公开(公告)号：US20200289340A1
公开(公告)日：2020-09-17
申请号：US16770199
申请日：2017-12-27
申请人： KAO CORPORATION
发明人： Kosuke ARITA , Yuko FUKUDA , Yasuyuki OKUDA , Akiyuki UEDA
IPC分类号： A61F13/49
摘要： A leak-proof cuff (28) is divided into a lower region (40) and a upper region (41). The upper region (41) includes a first region (41A) located at the side of a free edge (28B) relative to the center in the width direction (Y) and a second region (41B) located at the side of a folding line (42). In each of the first region (41A) and the second region (41B), at least one elastic member (29) extending along the longitudinal direction (X) is provided in a stretched state. In a case where the elongation of the upper region (41) in a natural state is 0, and the elongation in a maximum stretched state is 100, the stress σ1 of the first region (41A) is larger than the stress σ2 of the second region (41B) at an elongation of 5, and the stress σ2 of the second region (41B) is larger than the stress σ1 of the first region (41A) at an elongation of 100.

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