Patented is a sheet member, comprising a first sheet; a second sheet; and at least one elastic member having a shape selected from a thread shape, a net shape, a strip shape, and a sheet shape, arranged between the first sheet and the second sheet; wherein the first sheet comprises:
a plurality of high-density regions; and a plurality of low-density regions, wherein the high-density regions alternate with the low-density regions in a predetermined direction.
The elastic member is arranged in the predetermined direction in which the plurality of high-density regions alternate with the plurality of low-density regions and the elastic member in an expanded state is attached to at least a part of each of the plurality of high-density regions, and the following equation is satisfied:
Sheet member, high-density region-containing sheet manufacturing method and disposable diaper using sheet member
Patent #: 8,105,303
Inventor(s): Satoru Sakaguchi, Kagawa, Japan
Company: Uni-Charm, Ehime, Japan
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