02.08.19
Tatsuya Hashimoto, Kagawa, Japan; Tetsuo Okubo, Kagawa, Japan; and Huanhuan Chen, Kagawa, Japan.
Assigned to Unicharm Corporation, Ehime, Japan.
Filed: 3/18/16
Issued: 1/1/19
A nonwoven fabric which is shaped to be used for an absorbent article, including a first surface, a second surface which is positioned on an opposite side of the first surface, and a thickness direction, and being used in a state in which the second surface faces a configuration member of the absorbent article, wherein the nonwoven fabric includes a thermoplastic resin fiber, the nonwoven fabric includes a plurality of recessed portions each having an aperture portion on the first surface and each being dented toward a second surface side, and a plurality of penetration holes each being provided in a region other than the recessed portions and each penetrating through from the first surface to the second surface, each of the plurality of recessed portions includes a circumferential wall portion which extends in the thickness direction from an edge of the aperture portion toward the second surface side, and a bottom portion which is connected to an edge of the circumferential wall portion, the edge of the circumferential wall portion being positioned on an opposite side of the aperture portion, at least a part of the plurality of recessed portions includes a hole portion which penetrates through the circumferential wall portion from the first surface to the second surface, in the circumferential wall portion a partially ruptured portion which is formed by a part of the nonwoven fabric and a part of which being connected to the nonwoven fabric, is dented toward the second surface side, in each of the plurality of penetration holes, the nonwoven fabric includes a plurality of fusion portions in which the thermoplastic resin fiber is fused, in the region other than the plurality of recessed portions, and an end portion of the partially ruptured portion includes a part of the plurality of fusion portions, at least in a part of the plurality of penetration holes.
Assigned to Unicharm Corporation, Ehime, Japan.
Filed: 3/18/16
Issued: 1/1/19
A nonwoven fabric which is shaped to be used for an absorbent article, including a first surface, a second surface which is positioned on an opposite side of the first surface, and a thickness direction, and being used in a state in which the second surface faces a configuration member of the absorbent article, wherein the nonwoven fabric includes a thermoplastic resin fiber, the nonwoven fabric includes a plurality of recessed portions each having an aperture portion on the first surface and each being dented toward a second surface side, and a plurality of penetration holes each being provided in a region other than the recessed portions and each penetrating through from the first surface to the second surface, each of the plurality of recessed portions includes a circumferential wall portion which extends in the thickness direction from an edge of the aperture portion toward the second surface side, and a bottom portion which is connected to an edge of the circumferential wall portion, the edge of the circumferential wall portion being positioned on an opposite side of the aperture portion, at least a part of the plurality of recessed portions includes a hole portion which penetrates through the circumferential wall portion from the first surface to the second surface, in the circumferential wall portion a partially ruptured portion which is formed by a part of the nonwoven fabric and a part of which being connected to the nonwoven fabric, is dented toward the second surface side, in each of the plurality of penetration holes, the nonwoven fabric includes a plurality of fusion portions in which the thermoplastic resin fiber is fused, in the region other than the plurality of recessed portions, and an end portion of the partially ruptured portion includes a part of the plurality of fusion portions, at least in a part of the plurality of penetration holes.
