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1. 发明公开

EP4356890A1 UNDERPANTS-TYPE ABSORBENT ARTICLE 审中-实审
公开(公告)号：EP4356890A1
公开(公告)日：2024-04-24
申请号：EP21950994.0
申请日：2021-12-13
申请人： Unicharm Corporation
发明人： NAGAI, Takahito , MUKAI, Hirotomo , OHTSUBO, Toshifumi , AKINO, Chieri
IPC分类号： A61F13/49 , A61F13/496 , A61F13/51
CPC分类号： A61F13/496 , A61F13/51 , A61F13/49
摘要： A pants-type absorbent article (1) comprising an absorbent body (10) and a belt portion (30) connecting between a front-side upper end (10eLf) and a back-side upper end (10eLb) of the absorbent body (10), wherein the belt portion (30) is joined with the absorbent body (10) via a joint part (40) that slopes from an inner side toward an outer side in the right-left direction and from a top side toward a bottom side in the vertical direction starting at a beltline opening (BH) toward leg-side openings (LH), and, when said pants-type absorbent article (1) in an extended state is viewed in the front-back direction, the joint part (40) includes a portion (40fp) that projects inward in the right-left direction as compared with a straight line connecting an upper end (40fea) and a lower end (40feb) in the vertical direction of the joint part (40).

2. 发明公开

EP4201385A1 ABSORBENT ARTICLE 审中-实审
公开(公告)号：EP4201385A1
公开(公告)日：2023-06-28
申请号：EP21875644.3
申请日：2021-09-28
申请人： Unicharm Corporation
发明人： MUKAI, Hirotomo , OHNISHI, Kazuaki
IPC分类号： A61F13/534 , A61F13/535 , A61F13/536
摘要： In an absorbent article (1) having an upper layer core (31) and a lower layer core (32), the lower layer core (32) has a groove (36) which is indented in the thickness direction and the length of which is in a prescribed direction, the lower layer core (32) has a groove region where the groove (36) is provided and a non-groove region where the groove (36) is not provided, at least a part of the groove region is provided in a region where the upper layer core (31) and lower layer core (32) overlap when viewed from the thickness direction, and the average density of a highly absorbent polymer (34) on a skin-side section of the groove region is lower than the average density of a highly absorbent polymer (34) on a skin-side section of the non-groove region.

3. 发明公开

EP3545924A1 ABSORBENT ARTICLE 有权
公开(公告)号：EP3545924A1
公开(公告)日：2019-10-02
申请号：EP19164092.9
申请日：2019-03-20
申请人： Unicharm Corporation
发明人： KAWABATA, Kuniyoshi , ICHIKAWA, Makoto , MUKAI, Hirotomo
IPC分类号： A61F13/496 , B29C65/08 , A61F13/15 , B29C65/56
摘要： The object is to prevent detachment of joint sections during movement by a wearer when an absorbent article is being worn, and to facilitate separation of an abdomen side section and dorsal side section without tearing of sheet members, when it is removed. The joint sections 14a, 14b of the absorbent article include a plurality of fused sections 21Db, 21Ub along the longitudinal direction. Each fused section includes a core section BA where the sheet members on the abdomen side section 11 and dorsal side section 13 are fused in a thickness direction, and a perimeter wall section BW where the sheet member on the abdomen side section and dorsal side section are fused in the thickness direction, surrounding the core section in a tubular manner. For both longitudinal direction and transverse direction, if a first direction is a direction in which a difference in widths of the perimeter wall sections located on both outer sides of the core section is small and a second direction is a direction in which it is large, then for the second direction, a first dimension PI, which is a width of the perimeter wall section located on a second direction first side D2I of the core section is equal to or more than 40% and less than 100% of a second dimension P2, which is a width of the perimeter wall section located on a second direction second side D2II of the core section.

4. 发明公开

EP3449883A1 ABSORBENT ARTICLE 有权
公开(公告)号：EP3449883A1
公开(公告)日：2019-03-06
申请号：EP17810067.3
申请日：2017-05-18
申请人： Unicharm Corporation
发明人： MUKAI, Hirotomo , NAGAI, Takahito , KAWABATA, Kuniyoshi , MIMURA, Naotaka
IPC分类号： A61F13/494 , A61F5/44 , A61F13/49
摘要： An absorbent article (1) having an up-down direction and includes: an absorbent main body (10); a stomach-side member (3) arranged to an end portion on one side of the absorbent main body (10) ; and a back-side member (4) arranged to an end portion on another side, wherein the absorbent main body (10) has a pair of leak-proof walls (50) in respective side end portions, the leak-proof walls (50) each have a skin-side portion (51) that includes a plurality of elastic members (55) and a non-skin-side portion (52), the pair of leak-proof walls each have a joining portion (61) in which at least portions of mutually opposing surfaces of the skin-side portion (51) and the non-skin-side portion (52) are joined, and a non-joining portion (62) that is provided above the joining portion (61), the mutually opposing surfaces not being joined in the non-joining portion (62), the joining portions (61) are provided inward, with respect to the width direction, of leading ends of the leak-proof walls (50), and each of the joining portions (61) is at least partially overlapped with the stomach-side member (3) or the back-side member (4) in the up-down direction.

5. 发明授权

EP2672941B1 DISPOSABLE WEARING ARTICLE 有权
公开(公告)号：EP2672941B1
公开(公告)日：2018-06-13
申请号：EP12744332.3
申请日：2012-02-09
申请人： Unicharm Corporation
发明人： ARAYAMA, Takaya , MUKAI, Hirotomo
IPC分类号： A61F13/49 , A61F13/53 , A61F13/494 , A61F13/534
CPC分类号： A61F13/53 , A61F13/49001 , A61F13/49007 , A61F13/49017 , A61F13/49019 , A61F13/49413 , A61F13/53409
摘要： A disposable wearing article includes a central curving unit that allows the absorber to curve in the inner direction in a convex shape is formed in the center of the absorber, a pair of first curving units along the front-back direction that allow the absorber to curve in the outer direction in a convex shape is formed outboard of the central curving unit of the absorber, a pair of second curving units along the front-back direction that allow the absorber to curve in the inner direction in a convex shape is formed outboard of the first curving unit of the absorber, and a front end of the central curving unit is positioned posteriorly of a front end of a second curving unit.

6. 发明授权

EP2540269B1 DISPOSABLE WORN ARTICLE 失效
标题翻译：一次性的重要文章
公开(公告)号：EP2540269B1
公开(公告)日：2018-03-28
申请号：EP11747372.8
申请日：2011-02-23
申请人： Unicharm Corporation
发明人： ARAYAMA, Takaya , MUKAI, Hirotomo
IPC分类号： A61F13/49 , A61F13/15 , A61F13/53
CPC分类号： A61F13/496 , A61F13/49019 , A61F13/49406
摘要： A disposable worn article diaper (1) includes: a central slit (45) formed in an absorber (40) such that the absorber (40) is curved to be convex toward an inward direction toward a wearer in a crotch region; side curved portions (46L, 46R) formed in the absorber (40) along the lengthwise direction such that the absorber (40) is curved to be convex toward the outward direction. The disposable worn article diaper (1) includes a crossing elastic member (7A) crossing the absorber (40) in middle crotch regions and fixed to the absorber (40). The absorber (40) is contracted by the crossing elastic member (7A) toward a center of the absorber in the widthwise direction.

7. 发明公开

EP2684546A1 DISPOSABLE DIAPER 有权
公开(公告)号：EP2684546A1
公开(公告)日：2014-01-15
申请号：EP11860505.4
申请日：2011-12-20
申请人： Unicharm Corporation
发明人： ARAYAMA, Takaya , MUKAI, Hirotomo
IPC分类号： A61F13/15 , A61F13/49 , A61F13/53
CPC分类号： A61F13/49019 , A61F13/15203 , A61F13/4704 , A61F13/49001 , A61F13/49017 , A61F13/4902 , A61F13/49406 , A61F13/49426 , A61F13/4946 , A61F13/535 , A61F2013/4512 , A61F2013/4543 , A61F2013/4568 , A61F2013/4575 , A61F2013/49041 , A61F2013/49084 , A61F2013/530437
摘要： The present invention provides a disposable wearing article such as a pant-type diaper that can prevent deterioration in comfort at the time of wearing and the occurrence of leakage by improving the fitting in the proximity of the hip portion of the wearer. The disposable wearing article 1 according to the present invention includes an absorber 40 having a crotch region S1 that is in contact with a crotch portion of the wearer, and a back region S3 arranged posterior to the crotch region S1 and in contact with the hip portion of the wearer, and in the crotch region S1, a pair of curving means 48 are provided along the crosswise direction so as to enable the absorber 40 to curve in a convex shape in an inner direction, and outside the widthwise direction of the curving means, a pair of lifting units 49 are provided along the crosswise direction so as to enable the absorber to be lifted up in an inner direction in the back region S3, and the back ends 48B of the curving means are positioned anterior to the back ends 49B of the lifting units.

8. 发明公开

EP2658496A1 BODILY FLUID ABSORBENT ARTICLE INCLUDING BODILY FLUID ABSORBENT CORE AND METHOD FOR MAKING THE CORE 有权
标题翻译：含有液体吸收芯的液体吸收制品及其制造方法
公开(公告)号：EP2658496A1
公开(公告)日：2013-11-06
申请号：EP11852762.1
申请日：2011-12-28
申请人： Unicharm Corporation
发明人： MUKAI, Hirotomo , ARAYAMA, Takaya
IPC分类号： A61F13/49 , A61F13/15 , A61F13/53
CPC分类号： A61F13/535 , A61F13/15658 , A61F13/15699 , A61F13/4756 , A61F13/49466 , A61F13/496 , A61F13/51 , A61F13/51104 , A61F13/51108 , A61F2013/53051 , A61F2013/53778 , A61F2013/53782
摘要： Provided are a bodily fluid absorbent article improved to absorb bodily fluids quickly and a method for making a core for the bodily fluid absorbent article. A bodily fluid absorbent core 40 for a bodily fluid absorbent article is formed with one or more elongated depressions 43. The core 40 includes one or more surface layers 105 and one or more inner sections 105 lying inside the one or more surface layers 105. The one or more surface layers 105 are formed primarily of liquid-absorbent fibers and the one or more inner sections 106 are formed of the liquid-absorbent fibers and superabsorbent polymer particles.
摘要翻译：本发明提供一种能够迅速地吸收体液的体液吸收性物品以及该体液吸收性物品的芯材的制造方法。用于体液吸收制品的体液吸收芯40形成有一个或多个细长凹陷43.芯40包括一个或多个表面层105和位于一个或多个表面层105内的一个或多个内部部分105. 一个或多个表面层105主要由液体吸收性纤维形成，并且一个或多个内部部分106由液体吸收性纤维和超吸收性聚合物颗粒形成。

9. 发明公开

EP2529718A1 ABSORBENT ARTICLE 有权
标题翻译：吸收性物品
公开(公告)号：EP2529718A1
公开(公告)日：2012-12-05
申请号：EP11736867.0
申请日：2011-01-11
申请人： Unicharm Corporation
发明人： MUKAI, Hirotomo , GOUDA, Hidefumi , ARAYAMA, Takaya
IPC分类号： A61F13/496 , A61F13/15 , A61F13/494
CPC分类号： A61F13/15593 , A61F13/15723 , A61F13/49011 , A61F13/49019 , A61F13/4906 , A61F13/49061 , A61F13/496 , A61F2013/49092
摘要： An underpants-type absorbent article is provided with an outer body (2), provided with a mutually separate front piece (4), back piece (5) and connecting sheet (6), and wherein the front piece (4) and the back piece (5) are mutually joined at side areas (1F) and are mutually connected by the connecting sheet (6) extending in an front-to-rear direction (FR) at the crotch area (1C), and an inner body (3), containing an absorptive body and which is overlapped and anchored to the connecting sheet (6) on the inside of the outer body (2). At least a portion of both edges (6S) in the transverse direction of the connecting sheet (6) are positioned farther to the inside in the transverse direction than both edges (3S) in the transverse direction of the inner body (3) in a spacing area (SP) between the front piece and (4) the back piece (5).
摘要翻译：一种短裤型吸收性物品，具有设置有相互分离的前身片（4），后身片（5）和连接片（6）的外身（2），前身片（4）和后身片（5）在侧部区域（1F）处相互接合并且通过在裆部区域（1C）处沿前后方向（FR）延伸的连接片（6）相互连接，并且内部主体（3）），其包含吸收体并且与外部主体（2）的内侧上的连接片（6）重叠和锚定。连接片6的宽度方向的两边6S的至少一部分比内装体3的宽度方向的两边3S更靠横向内侧，（4）后部件（5）之间的间隔区域（SP）。

10. 发明公开

EP4360601A1 UNDERPANTS-TYPE ABSORBENT ARTICLE AND METHOD FOR MANUFACTURING UNDERPANTS-TYPE ABSORBENT ARTICLE 审中-实审
公开(公告)号：EP4360601A1
公开(公告)日：2024-05-01
申请号：EP22864164.3
申请日：2022-08-03
申请人： Unicharm Corporation
发明人： OHTSUBO, Toshifumi , MUKAI, Hirotomo , NAGAI, Takahito , AKINO, Chieri
IPC分类号： A61F13/15 , A61F13/49 , A61F13/496 , A61F13/51
CPC分类号： A61F13/15 , A61F13/496 , A61F13/51 , A61F13/49
摘要： The present invention provides an underpants-type absorbent article (1) in which a ventral waist part (20) and a dorsal waist part (30) are joined by side joining zones (40), wherein: the waist parts have a plurality of weld pairs (50S) that trap therebetween and restrict the location of an elastic member (23, 33) in a constricted state in the left-right direction; the plurality of weld pairs (50S) include a first weld pair (50S1) adjacent to the inner side of the side joining zones (40) in the left-right direction and a second weld pair (50S2) adjacent to the inner side of the first weld pair (50S1) in the left-right direction; and, when the underpants-type absorbent article (1) in an elongated state is viewed in the front-back direction, the centerline of the part of the elastic member (23, 33) located in the side joining zones (40) is inclined relative to the centerline of the part of the elastic member (23, 33) located between the first weld pair (50S1) and the second weld pair (50S2).

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