Patent ID: 8092441

Claim:
A disposable wearing article, comprising: a first waist region; a second waist region; a crotch region extending in a longitudinal direction of said article between said first and second waist regions; transversely extending ends of said first and second waist regions; longitudinally extending side edges between said transversely extending ends; an absorbent core extending in the longitudinal direction from the crotch region into the first and second waist regions; fastening zones provided on innermost surfaces of said longitudinally extending side edges of said first waist region, said innermost surfaces being adapted to face, in use, a wearer's body; landing zones provided on outermost surfaces of said longitudinally extending side edges of said second waist region so that said fastening zones are directly releasably fastenable to said landing zones, said outermost surfaces being adapted to face, in use, away from the wearer's body; said longitudinally extending side edges of said second waist region comprising plural sheets having mutually opposed surfaces tightly bonded to each other; one of (a) said fastening zones and (b) said landing zones comprising a first adhesive layer applied on said innermost surface of the respective longitudinally extending side edge of said first waist region; the other of (a) said fastening zones and (b) said landing zones comprising at least one of (i) a plastic film strip tightly bonded to said innermost surface of the respective longitudinally extending side edge of said first waist region and (ii) a second adhesive layer applied on the outermost surface of the respective longitudinally extending side edge of said second waist region, said second adhesive layer being adapted to be softened, in use, by the wearer's body warmth transferred through the tightly bonded sheets of the respective longitudinally extending side edge of said second waist region; wherein said landing zones are positioned without overlapping the absorbent core to facilitate heat transfer, in use, from the wearer's body to the second adhesive layers, wherein a peel strength between said fastening zones and said landing zones in a state being directly, releasably bonded to each other at room temperature is in a range of 3 to 8 N/25 mm, said peel strength one hour after said fastening zones have been directly, releasably bonded to said landing zones is in a range of 5 to 11 N/25 mm at a temperature of 36 to 40° C., and said peel strength three hours after said fastening zones have been directly, releasably bonded to said landing zones is in a range of 6 to 12 N/25 mm at a temperature of 36 to 40° C.