Patent ID: 7396350

Claim:
A disposable diaper, comprising: a crotch region having a longitudinal direction and a transverse direction orthogonal to said longitudinal direction, a front waist region extending forward from said crotch region, and a rear waist region extending rearward from said crotch region, opposite inner and outer surfaces, and a tufted assembly attached to said inner surface in any one of said regions so as to extend in said transverse direction in orthogonal relationship with a center line that extends in said longitudinal direction and bisects widths of respective said regions, said assembly comprising: a plurality of sheet strips, a base sheet extending in said transverse direction and supporting thereon said sheet strips each having at least one end zone thereof pennanently bonded to said base sheet, and an elastically biasing element adapted to space at least a transversely middle zone of said base sheet from said inner surface in a thickness direction defined from said outer surface toward said inner surface.