Gas separation – With means securing or retaining separating media – Unit or cohesive sheet-like media in flow line or frame
Patent
1996-12-24
1998-02-24
Chiesa, Richard L.
Gas separation
With means securing or retaining separating media
Unit or cohesive sheet-like media in flow line or frame
55502, 55521, 55527, B01D 2907
Patent
active
057207909
ABSTRACT:
A filter element made of nonwoven filter fabric includes a plurality of pleated portions and a flange portion formed integrally with the filter portion. The flange portion is formed by a pair of press-forming dies to have a thin and compressed connecting portion formed along the outer periphery of the filter portion, a thick and uncompressed seal portion formed along the outer periphery of the connecting portion and a thin and compressed protecting portion formed along the outer periphery of the seal portion.
REFERENCES:
patent: 3413780 (1968-12-01), Amlott et al.
patent: 4826598 (1989-05-01), Cain
patent: 4865803 (1989-09-01), Dillmann et al.
patent: 4983452 (1991-01-01), Daimon et al.
patent: 5368925 (1994-11-01), Hosokawa et al.
Honda Minoru
Inukai Satoshi
Kamo Hideo
Kometani Kazuo
Nakayama Toshiaki
Chiesa Richard L.
Denso Corporation
Toyoda Boshoku Corporation
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