Title:
COMPOSITE SHEET FOR ABSORBENT ARTICLES, AND COMPOSITE SHEET FOR WAIST PARTS OF ABSORBENT ARTICLES
Document Type and Number:
WIPO Patent Application WO/2022/209913
Kind Code:
A1
Abstract:
The present invention provides a composite sheet for absorbent articles and a composite sheet for waist parts of absorbent articles, each of the composite sheets having excellent texture as a whole. A composite sheet 10A for waist parts of absorbent articles, the composite sheet having a first direction, a second direction and a thickness direction, which are perpendicular to each other. This composite sheet 10A for waist parts of absorbent articles sequentially comprises, in the thickness direction, a first nonwoven fabric, an elastic material that expands and contracts in the first direction, and a second nonwoven fabric, while being additionally provided with a plurality of point-like bonded parts where the first nonwoven fabric, the elastic material and the second nonwoven fabric are bonded with each other; and the bending stiffness of the composite sheet in the second direction as determined by a KES method is from 0.02 (N·m2/m × 10-4) to 0.65 (N·m2/m × 10-4).
Inventors:
MIYOSHI TAKAYUKI (JP)
MITSUNO SATOSHI (JP)
IKEUCHI NORIHITO (JP)
MITSUNO SATOSHI (JP)
IKEUCHI NORIHITO (JP)
Application Number:
PCT/JP2022/012020
Publication Date:
October 06, 2022
Filing Date:
March 16, 2022
Export Citation:
Assignee:
UNICHARM CORP (JP)
International Classes:
B32B5/26; A61F13/51; D04H3/007; D04H3/16
Domestic Patent References:
| WO2009063892A1 | 2009-05-22 | |||
| WO2018139523A1 | 2018-08-02 |
Foreign References:
| JP2015150133A | 2015-08-24 | |||
| JP2008106378A | 2008-05-08 | |||
| JP2013048787A | 2013-03-14 | |||
| JP2017113188A | 2017-06-29 | |||
| JP2010150674A | 2010-07-08 | |||
| JP2008149015A | 2008-07-03 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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