NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY;DAIO PAPER CORPORATION
发明人:
Bin NAKAYAMA,Yoshiko SUYAMA,Kaori FUJII,Nobutada NISHIURA,Aya OHSHIMA
申请号：
US15108463
公开号：
US20160317363A1
申请日:
2014.12.26
申请国别(地区):
US
年份:
2016
代理人:
摘要：
The present invention aims at providing a disposable diaper having excellent maintainability of a surface space and capable of being easily produced. It is characterized in that a lower layer absorbent body has, at least at center of a crotch portion in a width direction, an elongated lower layer through section piercing in a thickness direction and extending in a front-back direction； an upper layer absorbent body has an upper layer through section piercing in the thickness direction at least within a range corresponding to the lower layer through section in the front-back direction, the upper layer through section has an elongated middle section extending in the front-back direction so as to be located above the lower layer through section, and extending sections which extend, in the width direction, from both sides of a back side position of the middle section, and a side edge of the extending section has a shape in which at least a part of the front side thereof is located further outside in the width direction toward the back side.
