Title:
STRETCH LAYERED SHEET, DISPOSABLE WEARING ARTICLE, AND METHOD AND DEVICE FOR MANUFACTURING STRETCH LAYERED SHEET
Document Type and Number:
WIPO Patent Application WO/2022/102305
Kind Code:
A1
Abstract:
This stretch layered sheet comprises: a plurality of bonding parts where a non-woven fabric and a film as a pair are thermally fused with each other, each of the plurality of bonding parts including at least one fused region where the fabric and the film as the pair are thermally fused with each other; at least one boundary line defining the fused region; a first breathing part defined on the boundary line by a first opening in the film that appears in the stretched state of the film, the first breathing part exhibiting breathability; and a second breathing part defined by a second opening adjacent to the fused region, separated by the boundary line, and formed as a partial lack of the film, the second breathing part exhibiting breathability in both the stretched state and the non-stretched state.
Inventors:
MAKIMURA KAZUTOSHI (JP)
KOSHIJIMA MIWA (JP)
KOSHIJIMA MIWA (JP)
Application Number:
PCT/JP2021/037345
Publication Date:
May 19, 2022
Filing Date:
October 08, 2021
Export Citation:
Assignee:
ZUIKO CORP (JP)
International Classes:
B32B5/26; A61F13/15; A61F13/49; A61F13/51; A61F13/514
Domestic Patent References:
| WO2012017817A1 | 2012-02-09 |
Foreign References:
| JP2020151868A | 2020-09-24 | |||
| JP2019041887A | 2019-03-22 | |||
| JP2018051230A | 2018-04-05 | |||
| JP2017064225A | 2017-04-06 | |||
| JPH06328600A | 1994-11-29 | |||
| US20130110073A1 | 2013-05-02 | |||
| JP2000513054A | 2000-10-03 |
Other References:
See also references of EP 4245516A4
Attorney, Agent or Firm:
YAMAMURA PATENT ATTORNEYS OFFICE (JP)
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