Patent ID: 9237974
Filing Date: 2016-01-19
CPC Classification: A61F

Claim Text:
1. A disposable diaper comprising a liquid-permeable top sheet, a liquid-impermeable back sheet and an absorber between the top sheet and back sheet, and having a front body waist region, a crotch region and a back body waist region, wherein the top sheet is a nonwoven fabric having on the skin contact surface a plurality of ridges and a plurality of recesses extending in the lengthwise direction of the disposable diaper, and alternating in the widthwise direction perpendicular to the lengthwise direction, the top sheet has point-like compressed sections, formed by compressing the ridges and/or recesses on the front body waist region and/or the back body waist region, at a density in the range of 4.0-7.0/cm zones of ridges are present in the front body waist region and/or the back body waist region, sandwiched by two point-like compressed sections, the ridges in those zones have different heights than the adjacent ridges at the same location in the lengthwise direction.