US 12,324,731 B2
Absorbent article
Yuki Takahashi, Tokushima (JP); and Shingo Takeda, Tokushima (JP)
Assigned to LIVEDO CORPORATION, Ehime (JP)
Appl. No. 17/626,219
Filed by LIVEDO CORPORATION, Ehime (JP)
PCT Filed Jul. 6, 2020, PCT No. PCT/JP2020/026430
§ 371(c)(1), (2) Date Jan. 11, 2022,
PCT Pub. No. WO2021/010211, PCT Pub. Date Jan. 21, 2021.
Claims priority of application No. 2019-132057 (JP), filed on Jul. 17, 2019.
Prior Publication US 2022/0313498 A1, Oct. 6, 2022
Int. Cl. A61F 13/475 (2006.01)
CPC A61F 13/4753 (2013.01) 11 Claims
OG exemplary drawing
 
1. An absorbent article comprising a top sheet, a back sheet, an absorbent body provided therebetween, and side sheets provided on both sides of the top sheet in a width direction, wherein:
a leak-proof flap is formed from a portion of the side sheet;
the leak-proof flap has a front end portion, a rear end portion and a middle portion positioned therebetween in a longitudinal direction, wherein
the front end portion and the rear end portion are joined to the top sheet at end fixing parts,
the middle portion stands up inward in the width direction from a joint part where the side sheet is joined to the top sheet,
a rear end of the end fixing part provided on the front end portion is a boundary between the front end portion and the middle portion, and
a front end of the end fixing part provided on the rear end portion is a boundary between the rear end portion and the middle portion;
a flap elastic member is provided on the leak-proof flap so as to extend continuously from the front end portion to the rear end portion; and
the flap elastic member at the front end portion and the rear end portion is located inward in the width direction from the end fixing parts.