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Patent Searching and Data


Title:
WET NON-WOVEN FABRIC FOR FILTER, FILTER MEDIUM FOR FILTER, AND FILTER
Document Type and Number:
WIPO Patent Application WO/2019/188923
Kind Code:
A1
Abstract:
A wet non-woven fabric for a filter according to the present invention is formed of vinylon, polyester, and polyvinyl alcohol and contains 10 to 20% of the polyvinyl alcohol by weight, and the surface roughness (SMD) of a surface of the wet non-woven fabric, the surface being disposed at the upstream side in ventilation, is 2.7 µm or less.

Inventors:
TAKAMI KENTO (JP)
HIDAKA YUSUKE (JP)
Application Number:
JP2019/012395
Publication Date:
October 03, 2019
Filing Date:
March 25, 2019
Export Citation:
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Assignee:
TOYO BOSEKI (JP)
International Classes:
B01D39/16; D04H1/407; D04H1/4309; D04H1/435; D21H13/10
Domestic Patent References:
WO2001077435A12001-10-18
WO2008038436A12008-04-03
Foreign References:
JPH0959859A1997-03-04
JP2005133260A2005-05-26
JP2017014648A2017-01-19
JP2009242973A2009-10-22
JPH115058A1999-01-12
JPH0398642A1991-04-24
JP2001218824A2001-08-14
JP2014136475A2014-07-28
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