High efficiency filter fabric for hot gas filtration

Details High efficiency filter fabric for hot gas filtration High efficiency filter fabric for hot gas filtration

1993-10-06

1995-07-04

Withers, James D.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

28107, 55381, 55382, 55528, 156148, 156181, 156182, 428234, 428247, 428300, 428902, 428903, B32B 506, B32B 700, B01D 4602

Patent

active

054298644

ABSTRACT:
A nonwoven aramid staple fiber batt is needled into a woven aramid scrim which is overlayed with a thin mat of heat resistant microfiber to give marked improvement in hot gas filtration.

REFERENCES:
patent: 4143197 (1979-03-01), Jasionwicz et al.
patent: 4524103 (1985-06-01), Seager
patent: 4589894 (1986-05-01), Gin et al.
patent: 4963298 (1990-10-01), Allen et al.
patent: 5171339 (1992-12-01), Forsten
Peter E. Frankenburg, "Tefaire" Felt-An Industrial Fabric Designated for the Filtration of Particulates in a Hostile Environment, Journal of Industrial Fabrics, vol. 4, No. 4, pp. 12-15, 1986.

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