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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.

3. 发明申请

US20200237582A1 UNDERPANTS-TYPE DISPOSABLE DIAPER 审中-公开
公开(公告)号：US20200237582A1
公开(公告)日：2020-07-30
申请号：US16629914
申请日：2018-06-19
申请人： Kao Corporation
发明人： Akio TAKAHASHI , Yasuyuki OKUDA
IPC分类号： A61F13/551 , A61F13/56 , A61F13/49
摘要： A diaper (1) includes, on an outer surface, a disposal tape (10). The disposal tape (10) includes a fixing part (12), an extensible part (15), and an attachment part (18) in sequence in the longitudinal direction (X1) of the disposal tape (10) and is folded in three stacked in the sequence. The attachment part (18) and the extensible part (15) are releasably joined, and the extensible part (15) and the fixing part (12) are also releasably joined. The attachment part (18) starts to extend at a tensile strength higher than the tensile strength at which the extensible part (l 5) starts to extend. The tensile strength at which the extensible part (15) starts to extend is 6.5 N or less. The peel strength between the attachment part (18) and the extensible part (15) is 4.0 N or less.

4. 发明申请

US20210100695A1 ABSORBENT ARTICLE 有权
公开(公告)号：US20210100695A1
公开(公告)日：2021-04-08
申请号：US16609718
申请日：2017-06-21
申请人： Kao Corporation
发明人： Kyoko ISHIBASHI , Yuko FUKUDA , Yasuyuki OKUDA , Jun KAJIWARA
IPC分类号： A61F13/49 , A61F13/514
摘要： An absorbent article (1) of the present invention has, in at least one of a front portion and a rear portion thereof, an elasticized portion (G) that is stretchable and contractible in an article lateral direction (Y). The elasticized portion (G) has an outer sheet (22) to be disposed on a side that is away from the skin of a wearer, an inner sheet (23) to be disposed on a side that is closer to the skin of the wearer than the outer sheet (22) is, and a plurality of elastic members (24) that are arranged between the outer and inner sheets in a state in which the elastic members are stretched in the article lateral direction (Y). The outer sheet (22) and the inner sheet (23) are partially joined to each other at a joined region (26). The joined region (26) is sandwiched between non-joined regions (36) where the outer sheet (22) and the inner sheet (23) are not continuously joined to each other in an article longitudinal direction or the article lateral direction. A plurality of the joined regions (26) and a plurality of the non-joined regions (36) are repeatedly arranged in the article longitudinal direction or the article lateral direction. The outer sheet (22) is configured to be deformable so as to bulge toward a non-skin-facing surface side due to contraction of the elastic members (24) and form a plurality of folds (29) along the article longitudinal direction (X) or the article lateral direction (Y). The absorbent article (1) has holes penetrating the outer sheet (22) at positions in the folds (29) formed by the outer sheet (22), the positions overlapping the elastic members (24) in a thickness direction.

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