Air filter configuration with preformed metal coil surrounding a

Details Air filter configuration with preformed metal coil surrounding a Air filter configuration with preformed metal coil surrounding a

1998-02-23

2000-08-15

Simmons, David A.

Gas separation

With means securing or retaining separating media

Internal frame or support means

55498, 55499, 55501, 55510, 55DIG5, 156 69, 156556, B01D 2706, B01D 2921

Patent

active

061029785

ABSTRACT:
A filter element which includes an annular filter media is surrounded by an external wrap in the form of preformed metal coil instead of a standard metal sleeve. The preformed metal coil has end portions in the form of circular hoops which are retained by adhesive, which adhesive is used to both seal the ends of the filter media and to retain end caps in place on the filter media. The preformed metal coil is of specific use with filter elements that are cleaned by back pulsing in industrial facilities, but is used in any situation where standard metal external sleeves are now used for filter elements.

REFERENCES:
patent: 2185584 (1940-01-01), Boyce
patent: 2951553 (1960-09-01), Kirby
patent: 3016984 (1962-01-01), Getzin
patent: 3417551 (1968-12-01), Bonell
patent: 4120711 (1978-10-01), Gudeman
patent: 4322231 (1982-03-01), Hilzendeger et al.
patent: 4652285 (1987-03-01), Greene
patent: 5248162 (1993-09-01), Levosinski et al.

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