Title:
FILTER AND METHOD FOR FORMING FILTER
Document Type and Number:
WIPO Patent Application WO/2022/097532
Kind Code:
A1
Abstract:
A filter (1) of the present invention is characterized by being formed from a spunbonded nonwoven fabric and having a plurality of top parts (10) and inclined parts (20) present between one top part (10) and another top part (10) in a cross section parallel to a direction in which a fluid flows, wherein, when the thickness of the top part (10) measured by a first measurement method is X, and the thickness of the inclined part (20) measured by a second measurement method is Y, the relationship X≤Y×0.9 is satisfied.
Inventors:
INATOMI SHINICHIRO (JP)
MINEMURA SHINICHI (JP)
MINEMURA SHINICHI (JP)
Application Number:
PCT/JP2021/039416
Publication Date:
May 12, 2022
Filing Date:
October 26, 2021
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
B01D39/16; D04H3/16
Foreign References:
JP2017222951A | 2017-12-21 | |||
JP2012017529A | 2012-01-26 | |||
JPS55163136U | 1980-11-22 | |||
JPS63287522A | 1988-11-24 | |||
JP2016108706A | 2016-06-20 |
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
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