Patent ID: 8034040

Claim:
A pull-on disposable diaper having a waist covering region, a crotch covering region, a waist-hole and a pair of leg-holes and being provided on an outer surface of said waist covering region with a tape tab extending in a waist-circumferential direction of said waist covering region and having an attaching means to be applicable to one of said waist covering region and said crotch covering region, said disposable diaper further comprising: said waist covering region having a part stretchable and contractible in an elastic manner in said waist-circumferential direction and provided with gathers brought by contraction of an elastic member included in said waist covering region and repeating a dent and a bulge one after another in said waist-circumferential direction; said tape tab comprising a fixed tape section permanently attached to said outer surface and a movable tape section contiguous to said fixed tape section, said movable tape section having a proximal end portion and a distal end portion, said proximal end portion being contiguous to one end of said fixed tape section in said waist-circumferential direction, said distal end portion having a finger grip zone and lying aside to another end portion opposed to said one end portion of said fixed tape section or lying aside to said one end portion in consequence of folding back of said movable tape section in a vicinity of another end portion; said attaching means being formed on an inside surface opposed to said outer surface of said waist covering region and located short of said finger grip zone of said movable tape section; at least a part of said fixed tape section and said movable tape section being curved so as to bulge in a direction spaced apart outwardly from said outer surface of said waist covering region as said waist covering region elastically contracts in said waist-circumferential direction; and said attaching means being releasably attached to said part of one of said fixed tape section and said movable tape section.