Patent #: 7,670,325
Inventor(s): Katsuhiko Sugiyama, Izumi Tashiro and Kahori Suzuki
Company: Oji Nepia Co. and Oji Paper Co., Ltd.
Patented recently is a disposable diaper, including an absorber, a top sheet disposed to cover an upper surface of the absorber and at least partially formed of a liquid permeable material, and a back sheet disposed to cover a lower surface of the absorber and formed of a liquid impermeable material. The disposable diaper further includes a skin contact sheet disposed above the top sheet and formed with a stool passing opening, which is an opening capable of passing a stool there-through, and to the both sides of the skin contact sheet, at least a pair of standing gathers are formed, which are leakage prevention walls capable of standing three-dimensionally.
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