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Patent Searching and Data


Title:
MANUFACTURING METHOD AND MANUFACTURING DEVICE FOR STRETCHABLE COMPOSITE SHEET
Document Type and Number:
WIPO Patent Application WO/2021/117423
Kind Code:
A1
Abstract:
The manufacturing method according to the present invention is a manufacturing method for a stretchable composite sheet (1) in which a first sheet (2) exhibiting stretchability and a non-stretchable second sheet (3) having a greater width than the first sheet are affixed to each other, wherein: the manufacturing method has a joining step in which, in a laminate sheet (10) in which the first sheet (2) is overlapped with a part of the second sheet (3) in a state in which the first sheet (2) is stretched in one direction and that has a first region (A1) having the first sheet and the second sheet and a second region (A2) having only the second sheet, the first sheet and the second sheet are joined intermittently in a sheet transportation direction (MD) directed along the first direction; and in the joining step, join parts (5) are also formed on a boundary part (4) between the first region and the second region, in addition to the first region (A1).

Inventors:
TOBITA TAKAHIRO (JP)
KOBAYASHI KENJI (JP)
TSUKAMOTO YUKI (JP)
TAKAHAMA ITARU (JP)
Application Number:
PCT/JP2020/042685
Publication Date:
June 17, 2021
Filing Date:
November 16, 2020
Export Citation:
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Assignee:
KAO CORP (JP)
International Classes:
B32B37/14; A61F13/15; A61F13/49; A61F13/496; B29C65/06
Foreign References:
JP2019162233A2019-09-26
JP2011510690A2011-04-07
JP2015027425A2015-02-12
JP2010260323A2010-11-18
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
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