Patent ID: 8075541
Filing Date: 2011-12-13
Classification: A61F

Abstract:
1. A sanitary napkin comprising an elongate absorbent body and a pair of left and right rear wing portions disposed at longitudinal opposite left and right sides of said absorbent body in a rear zone thereof, wherein each of said rear wing portions includes a liquid-retentive wing portion absorbent core between a liquid permeable sheet and a liquid impermeable sheet, said left and right rear wing portions located at the rear side of the wearer when worn, said left and right wear wing portions being asymmetrical with regard to a center line which divides the longitudinal length of the absorbent body into halves, and back surfaces of each of said absorbent body and rear wing portions provided with a body adhesive area, and rear wing adhesive area, respectively, wherein each of the wing portion absorbent cores comprises a dry type pulp sheet having reduced liquid dispersibility, wherein there is no step between the back surface of the absorbent body and the back surface of the rear wing portions, wherein said absorbent body includes a liquid-retentive body absorbent core, and wherein said body absorbent core and said wing portion absorbent core are isolated from each other through a liquid permeable isolating member, and wherein the hardness of each of the wing portion absorbent cores is 20 to 500 g in terms of buckling strength.