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Title:
WIPING SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/031180
Kind Code:
A1
Abstract:
A wiping sheet (10) is provided with a fiber aggregate formed by interlacing first fibers (20) and second fibers (40) having a smaller diameter than the first fibers (20), and has a first surface (50Y) serving as a wiping surface and a second surface (50X) positioned on the opposite side thereto. The abundance of the second fibers (40) is greater at the first surface than at the second surface. A plurality of protruding portions (50A) are formed on the first surface (50Y) side, and in apex portions (50T) of the protruding portions (50A), the abundance of the first fibers (20) in the apex portion (50T) relative to all the fibers forming the protruding portion (50A), is greater than the abundance of the second fibers (40) in the apex portion (50T) relative to all the fibers forming the protruding portion (50A). In a skirt portion (50B) of the protruding portions (50A), the abundance of the second fibers (40) in the skirt portion (50B) relative to all the fibers forming the protruding portion (50A) is greater than the abundance of the first fibers (20) in the skirt portion (50B) relative to all the fibers forming the protruding portion (50A).

Inventors:
NARITA KOJIN (JP)
KANETA MANABU (JP)
YURINO SHOTARO (JP)
Application Number:
PCT/JP2018/027056
Publication Date:
February 14, 2019
Filing Date:
July 19, 2018
Export Citation:
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Assignee:
KAO CORP (JP)
International Classes:
A47L13/17; A47L13/16; D04H1/492; D04H1/495
Domestic Patent References:
WO2013088969A12013-06-20
WO2012070568A12012-05-31
Foreign References:
JPH0860509A1996-03-05
JPH04312430A1992-11-04
JP2014004328A2014-01-16
JP2016123833A2016-07-11
JP2007154359A2007-06-21
JP2005287894A2005-10-20
JP2007239114A2007-09-20
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
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