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:
Oct. 09, 2012
Filed:
Dec. 28, 2007
Masahiro Kaneda, Shikokuchuo, JP;
Masahiro Kaneda, Shikokuchuo, JP;
Daio Paper Corporation, Ehime, JP;
Abstract
[Problems] To improve the air permeability of a waist portion of a disposable diaper [Means for Solving Problems] In an underpants type disposable diaper, including: a ventral-side outer sheetF and a back-side outer sheetB which are not connected but separated at a crotch portion; an absorberhaving a liquid impervious sheet and a crotch outer sheetM laminated on an underside of the liquid impervious sheet in the absorber so as to be exposed on an external surface of a product, assuming that the number of sheets disposed on the underside of the liquid impervious sheet is B1 at the intermediate portion, A1 at front- and back-side outer overlap sections X and Z, and C1 at the front- and back-side outer nonoverlap sectionsF andB, there is established a relationship of B1<C1<A1.