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. 13, 2020
Filed:
Jan. 29, 2016
Daio Paper Corporation, Ehime, JP;
Tomonari Takeuchi, Tochigi, JP;
DAIO PAPER CORPORATION, Ehime, JP;
Abstract
An absorbent article includes a stretchable sheet that is a laminate of a non-stretchable first sheet layer, a non-stretchable second sheet layer, and an elastic film disposed between the first and second sheet layers, and the elastic film is stretchable at least in the front-back direction. The first sheet layer is bonded to the second sheet layer at a large number of joints directly or through the elastic film and the joints are arrayed at intervals. The stretchable sheet is contracted by a contraction force of the elastic film and can be stretched by an external force applied in the front-back direction. The leg portion is also contracted by a contraction force of the elastic film and can be stretched by an external force applied in the width direction. The leg portions and adjoined regions have different joint area rates and thereby have different stretching stresses.