Title:
STRETCHABLE SHEET, ABSORBENT ARTICLE, AND UNDERPANTS-STYLE ABSORBENT ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/238802
Kind Code:
A1
Abstract:
Provided is a stretchable sheet (20, 40) in which an elastic member (23) is disposed between a pair of sheets (21, 22) joined by a fused portion (50). The elastic member (23) is regulated positionally by being interposed between the fused portion pairs in a contracted state in the right-left direction, and has a first fused portion pair (51a1) and a second fused portion pair (50a2) located adjacent to one side in the right-left direction thereof. The first fused portion pair (51a1) has a first fused portion (501) and a second fused portion (502) located on the same side in the up-down direction with respect to the elastic member (23) and at a first interval in the right-left direction. In a stretched state in the right-left direction, the length in the right-left direction from one side end of the first fused portion pair (51a1) in the right-left direction to the other side end of the second fused portion pair (51a2) in the right-left direction is longer than the length of the first interval in the right-left direction.
Inventors:
ANNO MIKA (JP)
NOMA SHINJI (JP)
NAGAI TAKAHITO (JP)
NARA YUKI (JP)
YOKOYAMA TAKUMI (JP)
NOMA SHINJI (JP)
NAGAI TAKAHITO (JP)
NARA YUKI (JP)
YOKOYAMA TAKUMI (JP)
Application Number:
PCT/JP2023/020677
Publication Date:
December 14, 2023
Filing Date:
June 02, 2023
Export Citation:
Assignee:
UNICHARM CORP (JP)
International Classes:
A61F13/496; A61F13/49; A61F13/51
Foreign References:
| JP2022062384A | 2022-04-20 | |||
| JP2016043247A | 2016-04-04 | |||
| JP2020179047A | 2020-11-05 |
Attorney, Agent or Firm:
ISSHIKI PATENT & TRADEMARK FIRM (JP)
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