Patent ID: 9517167
Filing Date: 2016-12-13
CPC Classification: A61F

Claim Text:
1. A disposable diaper, comprising: a front waistline region; a back waistline region; a crotch region positioned between the front waistline region and the back waistline region; a pair of leg hole openings; an absorber spanning the crotch region and extending to the front waistline region and back waistline region; a product longitudinal direction from the front waistline region towards the back waistline region; a product widthwise direction perpendicular to the product longitudinal direction; a pair of leg stretch units formed along the leg hole openings and being stretchable in at least the product longitudinal direction, each of the leg stretch units having a front end and a back end in the product longitudinal direction; and a cushioning unit provided adjacent to each of the ends of each of the leg stretch units in the product longitudinal direction, respectively, wherein each of the leg stretch units is configured from a stretchable sheet member, a ratio of expansion and contraction of each of the cushioning units is lower than a ratio of expansion and contraction of the respective leg stretch unit, at least a part of each of the cushioning units has a dimension in the product widthwise direction greater than a width of the respective leg stretch unit in the product widthwise direction, each of the cushioning units is provided on an outer side of the respective leg stretch unit in the product longitudinal direction, and is not provided on an inner side of the respective leg stretch unit in the product widthwise direction, a width of each of the cushioning units in the product widthwise direction gradually increases away from the respective leg stretch unit in the product longitudinal direction, each of the cushioning units has an outer end in the product longitudinal direction, the outer end of each of the cushioning units is provided on an inner side of an end of the front waistline region or the back waistline region in the product longitudinal direction, and each of the cushioning units is a region of the stretchable sheet member of the respective leg stretch unit in which an adhesive is not applied.