Patent ID: 8105305

Claim:
An absorbent article comprising: an absorbent body; a chassis having at least a front body and a back body, and a composite sheet arranged on the chassis, the composite sheet including: a stretchable non-woven fabric which expands and contracts in at least one direction; a non-stretchable non-woven fabric; a plurality of junctions which binds intermittently the stretchable non-woven fabric to the non-stretchable non-woven fabric in the stretching direction; and a plurality of gathers developed in non-bound portions between the junctions, formed of loosened parts of the non-stretchable non-woven fabric while the stretchable non-woven fabric is in a contracted state, along a direction intersecting the stretching direction; wherein each gather is configured in cross section to form a triangle with a longest leg of the triangle formed by the non-stretchable non-woven fabric and a base leg of the triangle formed by the stretchable non-woven fabric, and an apex of one triangle does not reach any part of an adjacent triangle, wherein the gathers are arranged on a skin contacting side during wearing, and wherein the stretchable non-woven fabric includes high-density regions and low-density regions arranged alternatively with each other in a predetermined direction.