Patent ID: 7767878
Filing Date: 2010-08-03
Classification: A61F

Abstract:
1. A disposable absorbent article, comprising: an absorbent mat between a liquid-permeable top sheet and a liquid-impermeable back sheet, the absorbent mat having a top sheet side immediately juxtaposed to the top sheet, the absorbent mat comprising, in the order recited from the top sheet side, a sheet-shaped water-absorbent layer that contains a water-absorbent resin powder but that does not contain pulp fibers; and a fiber assembly layer that contains a water-absorbent resin powder and pulp fibers; wherein the sheet-shaped water-absorbent layer includes a plurality of water-absorbent resin powder presence regions in each of which the water-absorbent resin powder is wrapped, a plurality of water-absorbent resin powder absence regions each being formed between the two adjacent water-absorbent resin powder presence regions; the water-absorbent resin powder contained in the sheet-shaped water-absorbent layer is wrapped in a plurality of nonwoven fabrics; the nonwoven fabrics of the sheet-shaped water-absorbent layer are joined to one another in the water-absorbent resin powder absence regions to form sealing portions; and the sealing portions are configured so as to be kept completely sealed when the sheet-shaped water-absorbent layer absorbs a bodily fluid.