Polyester bag filter

Details Polyester bag filter Polyester bag filter

1992-03-12

1993-04-27

Dawson, Robert A.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210445, 210453, 210484, 210232, B01D 6100, B01D 2700

Patent

active

052059383

ABSTRACT:
A bag filter comprising at least one sheet of a polyester filter medium, preferably a polyester high dirt capacity filter medium, having a graded pore structure which has been formed into a bag configuration with an opening, an inside surface, an outside surface, and at least one seam formed at adjoining filter medium portions which have been sewn together and optionally sealed with a thermoplastic tape that has been heat-sealed to the adjoining filter medium portions.

REFERENCES:
patent: 3814261 (1974-06-01), Morgan, Sr.
patent: 3960728 (1976-06-01), Otzen
patent: 4081379 (1978-03-01), Smith
patent: 4164400 (1979-08-01), Wald
patent: 4257791 (1981-03-01), Wald
patent: 4336035 (1982-06-01), Evenstad et al.
patent: 4581957 (1985-07-01), Malik
patent: 4976868 (1990-12-01), Sartori et al.
patent: 5045194 (1991-09-01), Gershenson
patent: 5137632 (1992-08-01), Morgan, Sr.
Pall Selection Guide, Profile.RTM. Bag Filters (Element Data Sheet E26a, 1989).
Rosedale Beta Bag.RTM. Filter Bags (Catalog Beta-100, 1986).

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