ABSORBENT ARTICLE HAVING AN IMPROVED DIFFUSION PROPERTY

摘要

THERE IS DISCLOSED AN ABSORBENT ARTICLE INCLUDING AN ABSORBENT LAYER AND A LIQUID-PERMEABLE SURFACE SHEET PLACED ON A LIQUID-RECEIVING SIDE OF THE ABSORBENT LAYER FOR INTRODUCING EXCRETED LIQUID FROM THE HUMAN BODY TO THE ABSORBENT LAYER. THE SURFACE SHEET IS OF A CORRUGATED CONFIGURATION TO HAVE VALLEYS AND PEAKS EXTENDING IN A LONGITIDINAL DIRECTION OF THE ARTICLE AND ALTERNATELY ARRANGED IN A TRANSVERSE DIRECTION PERPENDICULAR TO THE LONGITUDINAL DIRECTION. EACH PEAK IS FORMED WITH SPARSE PARTS AND DENSE PARTS ALTERNATELY ARRANGED IN THE LONGITUSINAL DIRECTION. THE SURFACE SHEET HAS A LOWER FIBER DENSITY IN THE SPARCE PARTS THAN IN THE DENSE PARTS.(FIGURE 2)