The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 2021
Filed:
Feb. 24, 2017
Daio Paper Corporation, Ehime, JP;
Aya Oshima, Tochigi, JP;
Aya Takahashi, Tochigi, JP;
DAIO PAPER CORPORATION, Ehime, JP;
Abstract
[Technical problem] A disposable diaper having excellent performances in both the absorbable capacity and the absorption rate, is provided. [Solution to problem] The above problem is solved by a pad type disposable diaper, in which a top sheetis formed of a thermoplastic nonwoven fabric, and absorbent bodiesA andB are formed of a lower layer absorbent bodyB and an upper layer absorbent bodyA provided on a front surface of the lower layer absorbent bodyB, wherein a slithaving a predetermined width is provided in the upper layer absorbent bodyA at least at a crotch portion Cso as to extend in a front-back direction, and the slithaving the predetermined width is not provided in the lower layer absorbent bodyB, the top sheetincludes a depressed portionthat is depressed into the slit, and multiple low permeation portionsare provided with intervals at least in the depressed portion, the low permeation portionsbeing portions in which fibers are welded to each other in a state of being compressed in a thickness direction.