Invention Grant
- Patent Title: Absorbent article and production method thereof
- Patent Title (中): 吸收性物品及其制造方法
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Application No.: US14002762Application Date: 2012-02-27
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Publication No.: US09433542B2Publication Date: 2016-09-06
- Inventor: Nobuyuki Kato , Tatsuya Tamura , Toshihisa Hayashi , Masashi Kitagawa
- Applicant: Nobuyuki Kato , Tatsuya Tamura , Toshihisa Hayashi , Masashi Kitagawa
- Applicant Address: JP Ehime
- Assignee: UNICHARM CORPORATION
- Current Assignee: UNICHARM CORPORATION
- Current Assignee Address: JP Ehime
- Agency: Hauptman Ham, LLP
- Priority: JP2011-044959 20110302
- International Application: PCT/JP2012/055491 WO 20120227
- International Announcement: WO2012/118214 WO 20120907
- Main IPC: A61F13/475
- IPC: A61F13/475 ; A61F13/533 ; A61F13/537 ; A61F13/15 ; A61F13/535 ; A61F13/539 ; A61F13/47

Abstract:
The absorbent article of the present invention comprises: a liquid-pervious surface sheet, a liquid-impervious backside sheet provided at the position opposing said surface sheet, and an absorption body provided between said surface sheet and said backside sheet, wherein the absorbent article comprises an endless compressed groove, surrounding a central part of said absorbent article, which is formed in said surface sheet and said absorption body in the thickness direction, and a plurality of concave parts, provided inside and outside said compressed groove, which are formed in said surface sheet and said absorption body in the thickness direction, and an uncompressed region bordering inner and outer edges of the compressed groove, wherein the closest distance between said compressed groove and the nearest concave parts is greater than the distance between adjacent ones of those same concave parts.
Public/Granted literature
- US20130345656A1 ABSORBENT ARTICLE AND PRODUCTION METHOD THEREOF Public/Granted day:2013-12-26
Information query
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