Title:
METHOD FOR FORMING PLEATS IN FILTERING MEMBER AND DEVICE FOR FORMING PLEATS
Document Type and Number:
WIPO Patent Application WO/2013/014826
Kind Code:
A1
Abstract:
In a method for forming pleats in a filtering member of the present invention, when pleats are formed in a filtering member (10) by bringing a pair of blades (5) into abutment with the filtering member (10) from both sides in the width direction, ionised air is blown onto the edge surface of the filtering member (10) and towards the pair of blades (5), by a static electricity removal device (30), from a side of the filtering member (10). Preferably the filtering member (10) includes a polytetrafluoroethylene porous film and a permeable supporting member.
Inventors:
KAWAMOTO TAKATOSHI (JP)
MORI MASAAKI (JP)
MORI MASAAKI (JP)
Application Number:
PCT/JP2012/002292
Publication Date:
January 31, 2013
Filing Date:
April 02, 2012
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
KAWAMOTO TAKATOSHI (JP)
MORI MASAAKI (JP)
KAWAMOTO TAKATOSHI (JP)
MORI MASAAKI (JP)
International Classes:
B01D39/16; B32B37/00; D06J1/06
Foreign References:
| JP2002346320A | 2002-12-03 | |||
| JP2010073496A | 2010-04-02 | |||
| JP2002273126A | 2002-09-24 | |||
| JP2006196255A | 2006-07-27 | |||
| JP2007103205A | 2007-04-19 |
Attorney, Agent or Firm:
KAMADA, KOICHI (JP)
Koichi Kamata (JP)
Koichi Kamata (JP)
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Claims: