Bag filter comprising meta-aramid and acrylic fiber

Details Bag filter comprising meta-aramid and acrylic fiber Bag filter comprising meta-aramid and acrylic fiber

2006-09-13

2008-11-25

Torres-Velazquez, Norca (Department: 1794)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Containing at least two chemically different strand or fiber...

C428S902000, C428S920000, C428S921000, C442S402000, C442S408000, C442S414000

Reexamination Certificate

active

07456120

ABSTRACT:
This invention relates to a bag filter having a tubular section, one closed end and one open end, the tubular section having a nonwoven felt comprising an intimate fiber blend of 50 to 80 parts by weight meta-aramid fiber and 20 to 50 parts by weight acrylic fiber, based on the total weight of meta-aramid and acrylic fibers in the felt, wherein the acrylic fiber has an equal or lower denier per filament than the meta-aramid fiber.

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