Filter bag for hot gases

Details Filter bag for hot gases Filter bag for hot gases

1991-11-07

1992-12-15

Spitzer, Robert

Gas separation

Flexible or collapsible bag type

With securing or supporting means

55382, 55486, 55528, 428300, 4284747, B01D 3908, B01D 3916, B01D 4602

Patent

active

051713390

ABSTRACT:
As a cloth for filter bags, a laminate comprising thin layer of nonwoven poly(p-phenylene terephthalamide) needled to a felt of poly(m-phenylene isophthalamide), polyester or polyphenylenesulfide fiber felt increases the resistance to burn through by hot sparks.

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patent: 4917714 (1990-04-01), Kinsley, Jr.
patent: 5080847 (1992-01-01), Hazeyama

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