Invention Grant
- Patent Title: Nonwoven fabric for absorbent article
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Application No.: US16300114Application Date: 2016-06-01
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Publication No.: US11000429B2Publication Date: 2021-05-11
- Inventor: Masashi Uda , Shinichi Ishikawa , Ryota Kawamori , Takashi Maruyama
- Applicant: UNICHARM CORPORATION
- Applicant Address: JP Ehime
- Assignee: UNICHARM CORPORATION
- Current Assignee: UNICHARM CORPORATION
- Current Assignee Address: JP Ehime
- Agency: Hauptman Ham, LLP
- Priority: JPJP2016-097426 20160513
- International Application: PCT/JP2016/066264 WO 20160601
- International Announcement: WO2017/195386 WO 20171116
- Main IPC: A61F13/15
- IPC: A61F13/15 ; A61F13/511 ; A61F13/512 ; A61F13/494

Abstract:
A nonwoven fabric for an absorbent article has a plurality of first ridges and a plurality of first grooves on a first surface, each of the first ridges extending in a first direction and being provided with a first top surface including a first top section and first side surfaces, and each of the first grooves extending in the first direction; each of the first grooves of the nonwoven fabric has a plurality of second ridges and a plurality of bottom sections on the first surface, each of the second grooves being contiguous with two adjacent first ridges among the plurality of first ridges and having a second top section; the nonwoven fabric is provided with a plurality of predetermined recess units; and in each of the plurality of recess units, the fiber density of the first surface is lower than the fiber density of the first top surface.
Public/Granted literature
- US20190142654A1 NONWOVEN FABRIC FOR ABSORBENT ARTICLE Public/Granted day:2019-05-16
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