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公开(公告)号：EP3692960A1
公开(公告)日：2020-08-12
申请号：EP18864476.9
申请日：2018-09-28
申请人： Unicharm Corporation
发明人： OHTSUBO, Toshifumi
摘要： It is a stretchable/contractible sheet (31) in which a plurality of elastic members (35) arranged between a first sheet (32) and a second sheet (33) joined by a plurality of welded portions (50). The stretchable/contractible sheet (31) includes, above a certain elastic member (35), a first welded portion (51) and a third welded portion (53). The stretchable/contractible sheet (31) also includes, below the certain elastic member (35), a second welded portion (52) and a fourth welded portion (54). the certain elastic member is attached by being sandwiched in the up-down direction between the first welded portion (51) and the second welded portion (52) and by being sandwiched in the up-down direction between the third welded portion (53) and the fourth welded portion (54). The first welded portion (51) and the third welded portion (53) having portions overlapping in the up-down direction. The position of the lower end of the first welded portion (51) is different in the up-down direction from the position of the lower end of the third welded portion (53).
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公开(公告)号：EP3692961A1
公开(公告)日：2020-08-12
申请号：EP18865016.2
申请日：2018-09-28
申请人： Unicharm Corporation
发明人： OHTSUBO, Toshifumi
摘要： It is a stretchable/contractible sheet (31) in which a plurality of elastic members (35) are arranged between the first sheet (32) and the second sheet (33) joined by a plurality of welded portions (50). The stretchable/contractible sheet (31) includes: the first welded-portion row (61) having a plurality of welded portions (50) arranged side-by-side in the up-down direction; and a second welded-portion row (62) arranged adjacent to the first welded-portion row (61) on the one side in the left-right direction. The first welded-portion row (61) includes: a first convex portion (61P1) projecting toward the one side; and a second convex portion (61P2). The second welded-portion row (62) includes a third convex portion (62P3) projecting toward the other side in the left-right direction. In the natural state, a other-side end (62P3C) of the third convex portion (62P3) is located on the other side with respect to a straight line connecting a one-side end (61P1A) of the first convex portion (61P1) and a one-side end (61P2B) of the second convex portion (61P2).
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3.发明公开
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
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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公开(公告)号：EP3320885B1
公开(公告)日：2020-03-11
申请号：EP16841263.3
申请日：2016-06-30
申请人： Unicharm Corporation
发明人： OHTSUBO, Toshifumi
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5.发明公开
公开(公告)号：EP4374836A1
公开(公告)日：2024-05-29
申请号：EP22864666.7
申请日：2022-08-31
申请人： Unicharm Corporation
IPC分类号： A61F13/15 , A61F13/49 , A61F13/496 , A61F13/51
CPC分类号： A61F13/496 , A61F13/15593 , A61F13/4902 , A61F2013/4905220130101
摘要： A elastic sheet (31) having a first sheet (32), a second sheet (33) joined in a plurality of welds (50) with the first sheet (32), and an elastic member (35) provided between the first sheet (32) and the second sheet (33), the elastic member (35) being capable of expanding and contracting in a continuous direction, the plurality of welds (50) being positioned on both sides of the elastic member (35) in an intersecting direction, and the elastic sheet (31) having weld pairs (50s) in which the elastic member (35) is interposed, wherein the elastic member (35) has a damaged section (37) in which a portion of the surface thereof is damaged, the weld pairs (50s) have a first weld pair (51s) and a second weld pair (52s) which is disposed adjacent to the first weld pair (51s) in the continuous direction, and at least one damaged section (37) is provided between the first weld pair (51s) and the second weld pair (52s) in the continuous direction.
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6.发明公开
公开(公告)号：EP3649997A1
公开(公告)日：2020-05-13
申请号：EP18876441.9
申请日：2018-09-07
申请人： Unicharm Corporation
发明人： OHTSUBO, Toshifumi
IPC分类号： A61F13/15 , A61F13/49 , A61F13/496 , A61F13/51
摘要： A method for manufacturing an absorbent article (1) including a first member (30), a second member (40), and a weld portion (SS) where the first member (30) and the second member (40) are welded to each other, the first member (30) including two sheet members (31, 32) having at least one nonwoven fabric, and an elastic member (35) stretchably contractible in a left-right direction, the second member (40) having a nonwoven fabric, the method comprising: an elastic member placing process (S302) of placing the elastic member (35) in a stretched state between the two sheet members (31, 32) in a thickness direction intersecting the left-right direction of the first member (30), the stretched state being a state in which the elastic member (35) is stretched in the left-right direction; an overlapping process (S506) of causing the second member (40) to overlap with the first member (30) in the thickness direction; a releasing process (S507) of releasing the stretched state to bring about a released state; and a welding process (S509) of welding one end portion in the left-right direction of the first member (30) and one end portion in the left-right direction of the second member (40) to each other, to form the weld portion (SS), the welding process (S509) being performed in the released state after the releasing process (S507).
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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
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).
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8.发明公开METHOD FOR PRODUCING COMPOSITE SHEET FOR ABSORBENT ARTICLE, APPARATUS FOR PRODUCING COMPOSITE SHEET FOR ABSORBENT ARTICLE, AND COMPOSITE SHEET FOR ABSORBENT ARTICLE 审中-公开制造吸收性物品用复合片材的方法，吸收性物品用复合片材的制造装置以及吸收性物品用复合片材
公开(公告)号：EP3320885A1
公开(公告)日：2018-05-16
申请号：EP16841263.3
申请日：2016-06-30
申请人： Unicharm Corporation
发明人： OHTSUBO, Toshifumi
IPC分类号： A61F13/15
CPC分类号： A61F13/15 , A61F13/15707 , A61F13/15764 , B29C65/18 , B29C66/1122 , B29C66/21 , B29C66/43 , B29C66/433 , B29C66/7294 , B29C66/73921 , B29C66/81433 , B29C66/83413 , B29C66/91933 , B29C66/91935 , B29L2031/4878
摘要： A method for manufacturing a composite sheet (20) of an absorbent article (1) to manufacture a composite sheet (20) including a first continuous sheet (21), a second continuous sheet (22), and an elastic string (23) to be arranged between the first continuous sheet (21) and the second continuous sheet (22), the method includes: transporting the first continuous sheet (21), the second continuous sheet (22), and the elastic string (23), in a state where the elastic string (23) arranged between the first continuous sheet (21) and the second continuous sheet (22) is at least partially interposed between first protruding parts (251) and second protruding parts (252), by causing a first rotation body (25) to rotate, the first rotation body (25) including the first protruding parts (251) and the second protruding parts (252) protruding radially outwardly; and performing processing to the first continuous sheet (21) and the second continuous sheet (22) by sandwiching the first continuous sheet (21) and the second continuous sheet (22) between a second rotation body (26) and the first protruding parts (251) and the second protruding parts (252), during transporting with the first rotation body (25).
摘要翻译： 一种制造吸收性物品（1）的复合片材（20）的方法，以制造包括第一连续片材（21），第二连续片材（22）和弹性绳带（23）的复合片材（20） 所述第一连续片（21）和所述第二连续片（22）以及所述弹性线（23）在所述第一连续片（21）与所述第二连续片（22） 其中布置在第一连续片材（21）和第二连续片材（22）之间的弹性绳（23）至少部分地介于第一突出部分（251）和第二突出部分（252）之间，通过引起第一旋转 所述第一旋转体25包括所述第一突出部251和所述第二突出部252，所述第一突出部251和所述第二突出部252径向向外突出; 通过将第一连续片材（21）和第二连续片材（22）夹在第二旋转体（26）与第一突出部分（22）之间而对第一连续片材（21）和第二连续片材（22） 在第一旋转体（25）的输送过程中，第一突出部（252）和第二突出部（252）
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