Patent ID: 7741235
Filing Date: 2010-06-22
Classification: A61F,B32B,D04H,Y10T

Abstract:
1. A composite sheet comprising: a non-stretchable sheet; a stretchable nonwoven fabric having thermoplastic fibers that have stretched at least partially, thermoplastic fibers that have not stretched at least partially and elastomer fibers separate from the thermoplastic fibers, and having a plurality of strip-shaped non-dense regions and a plurality of strip-shaped dense regions, which are formed along a first direction, formed on both surfaces thereof such that the strip-shaped non-dense regions are continuously alternated with the strip-shaped dense regions in a second direction perpendicular to the first direction, and the strip-shaped dense regions on one of the surfaces are alternated with the strip-shaped dense regions on the other surface in the second direction; and an adhesive portion for laminating the non-stretchable sheet and the stretchable nonwoven fabric, wherein each of the strip-shaped non-dense regions is expanded in a thickness direction of the stretchable nonwoven fabric as compared to each of the strip-shaped dense regions.