Patent ID: 8912384

Claim:
An absorbent article comprising: a liquid permeable topsheet; a liquid impermeable sheet; an absorber interposed between the topsheet and the liquid impermeable sheet and configured to absorb liquid; a top-surface groove formed in a predetermined area of the top surface in which the topsheet and the absorber are depressed towards a clothing-contact-surface side; and a back-surface groove formed in the clothing-contact-surface side in register with the top-surface groove in which at least the absorber is depressed towards a skin-contact-surface side, wherein in a widthwise cross section of the absorbent article, a recessed portion is formed in a bottom portion of the back-surface groove, the recessed portion recessed from the bottom portion of the back-surface groove towards the skin-contact-surface side, and the absorber has a higher density at a portion between the bottom portion of the top-surface groove and the recessed portion of the back-surface groove than at a portion between the bottom portion of the top-surface groove and the bottom portion of the back-surface groove.