| US 7,410,479 B2 | ||
| Disposable absorbent article | ||
| Minoru Hoshino, Kiryu (Japan); and Fumiko Aoki, Sawa-gun (Japan) | ||
| Assigned to Hakujuji Kabushiki Kaisha, Tokyo (Japan) | ||
| Appl. No. 10/500,347 PCT Filed Aug. 22, 2003, PCT No. PCT/JP03/10625 § 371(c)(1), (2), (4) Date Jun. 25, 2004, PCT Pub. No. WO2004/017875, PCT Pub. Date Mar. 04, 2004. |
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| Claims priority of application No. 2002-244368 (JP), filed on Aug. 23, 2002. | ||
| Prior Publication US 2005/0096624 A1, May 05, 2005 | ||
| Int. Cl. A61F 13/15 (2006.01); A61F 13/20 (2006.01) | ||
| U.S. Cl. 604—385.27 [604/385.24; 604/385.25; 604/385.26; 604/385.29] | 14 Claims |
| 1. A disposable absorbent article comprising: a main absorbent article body part, in turn comprising a liquid permeable surface
side sheet, a liquid impermeable back face side sheet, positioned at the back face side of the liquid permeable surface side
sheet, an absorbent body, positioned between the liquid permeable surface side sheet and the liquid impermeable back face
side sheet, and liquid impermeable flap parts, the flap parts being disposed at least at the peripheral edge parts of said
liquid impermeable back face side sheet and extending outward beyond the respective sides in the width direction of said absorbent
body; and an outer layer sheet, positioned at the back face side of the liquid impermeable back face side sheet of the main
absorbent article body part; and wherein a dorsal waist part, a crotch part, having leg parts at both sides, and a ventral
waist part are formed successively and integrally in the longitudinal direction, a dorsal waist part elastic body and a ventral
waist part elastic body of said outer layer sheet, which stretch in the width direction of the outer layer sheet, are disposed
respectively at the dorsal waist part and the ventral waist part of said outer layer sheet, leg part elastic bodies are disposed
respectively at said leg parts at the respective sides of said outer layer sheet, central elastic bodies are affixed to the
outer layer sheet at the crotch part positioned along the longitudinal direction of the absorbent body substantially centered
in the width direction of the absorbent body;
said leg part elastic bodies are formed as first leg part elastic bodies and second leg part elastic bodies,
said first leg part elastic bodies have one end side set along a leg part from a part of said dorsal waist part at one side,
have an intermediate part crossing said crotch part obliquely towards a part of said ventral waist part at the other side,
and have the other end side set along the leg part at the part of said ventral waist part at the other side,
said second leg part elastic bodies have one end side set along a leg part from a part of said dorsal waist part at the other
side, have an intermediate part intersecting said first leg part elastic bodies and crossing said crotch part obliquely towards
a part of said ventral waist part at the one side, and have the other end side set along the leg part at the part of said
ventral waist part side at the one side, and
third leg part elastic bodies are disposed between the liquid impermeable flap parts and the liquid impermeable back face
side sheet at both sides of said main absorbent article body part, wherein the first, second and third leg part elastic plastic
bodies intersect with each other five times, wherein the third leg part elastic bodies extend in a longitudinal direction
beyond the points of intersection with the first leg part elastic bodies and the second leg part elastic bodies at the respective
sides of the main absorbent article body part, the third leg part elastic bodies extend in a longitudinal direction substantially
the length of the main absorbent article body part; one end of the third leg part elastic bodies in the longitudinal direction
is at least disposed in the vicinity of the dorsal waist part elastic body, the opposite end of the third leg part elastic
bodies in the longitudinal direction is at least disposed in the vicinity of the ventral waist part elastic body; and one
lateral side of the absorbent body substantially perpendicular to the longitudinal direction is at least disposed in the vicinity
of the dorsal waist part elastic body, while the opposite lateral side of the absorbent body is at least disposed in the vicinity
of the ventral waist part elastic body.
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