Title:
FILTER SUPPORT BODY AND FILTER USING SAME
Document Type and Number:
WIPO Patent Application WO/2011/158324
Kind Code:
A1
Abstract:
Provided is a filter support body that uses a porous membrane with low outgassing and excellent shape retention of pleat folded products and a filter that uses said support body. The filter support body provides a continuous non-woven fabric formed from polyester, which has a mass per unit area of 20-100 g/m2, and to which an embossing process with a bonding area ratio of 8-18% has been applied, and 0.7-5.0 g/m2 of a thermoplastic resin that includes an ethylene vinyl acetate copolymer on the surface of at least one side of the continuous non-woven fabric and has a melting point of 100-140 ºC, as a thermal adhesive component.
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Inventors:
KOIDA TAKASHI (JP)
YAMAMOTO TOSHIYA (JP)
YAMAMOTO TOSHIYA (JP)
Application Number:
PCT/JP2010/060069
Publication Date:
December 22, 2011
Filing Date:
June 15, 2010
Export Citation:
Assignee:
TOYO BOSEKI (JP)
KOIDA TAKASHI (JP)
YAMAMOTO TOSHIYA (JP)
KOIDA TAKASHI (JP)
YAMAMOTO TOSHIYA (JP)
International Classes:
B01D46/52; B01D39/16; B01D46/54; B01D69/10
Foreign References:
| JP2010121261A | 2010-06-03 | |||
| JPH06198108A | 1994-07-19 | |||
| JP2003299924A | 2003-10-21 | |||
| JPS6463012A | 1989-03-09 | |||
| JPH11156124A | 1999-06-15 | |||
| JPH10286437A | 1998-10-27 | |||
| JP2009028617A | 2009-02-12 | |||
| JP2003275519A | 2003-09-30 |
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Claims:
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