Title:
DISPOSABLE WEARING ARTICLE
Document Type and Number:
WIPO Patent Application WO/2013/084516
Kind Code:
A1
Abstract:
Provided is a disposable wearing article preventing a loss of absorptivity in an absorption panel and enabling rapid migration of bodily fluid to the absorption panel. A diaper (1) has a liquid-permeable inner sheet (20), a liquid-impermeable outer sheet (30), a liquid-absorbent absorption panel (40) positioned between the inner and outer sheets (20, 30), and a leak-proofing sheet (50) positioned between the absorption panel (40) and the outer sheet (30). A pair of entrapping sheets (60) spaced apart in the lateral direction (X) are formed on a skin-facing surface of the inner sheet (20). The absorption panel (40) has a liquid-absorbent core material (41) and a covering sheet (42), such as tissue paper, for covering the core material (41). A plurality of recesses (45) oriented toward an absorption surface (43) from a bottom surface (44) are provided to the absorption panel (40). The absorption surface (43) is not provided with any recesses (45) and is substantially level. First through fourth compression recesses (71 to 74) and a plurality of ridge parts (26) and groove parts (27) are formed on a surface (25) of the inner sheet (20).
Inventors:
YAMASHITA JUNKO (JP)
OHASHI NAOTO (JP)
OHASHI NAOTO (JP)
Application Number:
PCT/JP2012/060082
Publication Date:
June 13, 2013
Filing Date:
April 12, 2012
Export Citation:
Assignee:
UNICHARM CORP (JP)
YAMASHITA JUNKO (JP)
OHASHI NAOTO (JP)
YAMASHITA JUNKO (JP)
OHASHI NAOTO (JP)
International Classes:
A61F13/49; A61F13/511; A61F13/53
Domestic Patent References:
| WO2008133094A1 | 2008-11-06 |
Foreign References:
| JP2005073921A | 2005-03-24 | |||
| JP2008079747A | 2008-04-10 | |||
| JP2011200337A | 2011-10-13 | |||
| JP2010094534A | 2010-04-30 | |||
| JP2010063945A | 2010-03-25 | |||
| JP2002035036A | 2002-02-05 |
Attorney, Agent or Firm:
SHIRAHAMA, Yoshiharu et al. (JP)
Yoshiharu Shirahama (JP)
Yoshiharu Shirahama (JP)
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Claims: