An absorbent article comprising a liquid-permeable top sheet, a back sheet, and an absorbent core interposed between the top sheet and the back sheet, wherein the top sheet rises upwardly from the absorbent core to have a plurality of protrusions, which extend parallel with one another in a longitudinal direction of the absorbent article, and a hydrophilic material is provided within the protrusions so as to form a cushion layer.

Claims

14 · 1 independent · depth 3

14 granted claims

›1.independentAn absorbent article comprising: a liquid permeable top sheet; a back sheet; and an absorbent core interposed between the top sheet and the back sheet…+13

›2.↳ 1The absorbent article of claim 1, wherein: joining of the top sheet and the intermediate sheet at the valley portions is carried out at intervals alon…d2

›3.↳ 1The absorbent article of claim 1, wherein: the density of the cushion layer is 0.4 g/cm.sup.3 or less and the hydrophilic material is formed by hydrop…d2

›4.↳ 1The absorbent article of claim 1, wherein: a height of the protrusions is 5 mm or more.d2

›5.↳ 1The absorbent article of claim 1, wherein: a gap between the adjacent protrusions, at mountainsides thereof, is narrower than the width of the valley …d2

›6.↳ 1The absorbent article of claim 1, wherein: cross-sectional areas of the protrusions positioned near the center in a lateral direction perpendicular to…d2

›7.↳ 1The absorbent article of claim 1, wherein: the back sheet is liquid-impermeable.d2

›8.↳ 1The absorbent article of claim 1, wherein: liquid barriers inferior in liquid-permeability to that of the hydrophilic material are provided inside of …d2+3

›12.↳ 1The absorbent article of claim 1, which is a disposable diaper.d2

›13.↳ 1The absorbent article of claim 1, which is a sanitary napkin.d2

›14.↳ 1The absorbent article of claim 1, which is a urine absorbent pad.d2

Classifications

4 codes

USPC · US Patent Classification

604/385.1604/380604/379604/385.101

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Pendency

1.9 y

691 days filing → grant

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Examiner

John G. Weiss

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Citations: 11 back · 0 forward

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