Extended surface pocket type air filter

Details Extended surface pocket type air filter Extended surface pocket type air filter

1993-06-01

1994-03-29

Hart, Charles

Gas separation

Flexible or collapsible bag type

With securing or supporting means

55493, 55497, 55499, 55511, 55DIG12, 55DIG31, B01D 4602

Patent

active

052980448

ABSTRACT:
An extended pocket type air filter formed of a single rectangular frame enclosing and locking a plurality of parallel header plates each having complementary projections and grooves on opposite edges, the complementary projections of one header fitting into the grooves of an adjacent header and securing pocket type air filter medium between them. A rivet secures ends of the frame to each other about the header plates.

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patent: 3422602 (1969-01-01), Janson
patent: 3620375 (1971-11-01), Atkins
patent: 3871848 (1975-03-01), Smith
patent: 3997305 (1976-12-01), Ulvestad et al.
patent: 4300927 (1981-11-01), Day
patent: 4312648 (1982-01-01), Day
patent: 4356011 (1982-10-01), Day et al.
SnyderGeneral Corporation, Product Brochure, "PURE--Klean Extended Surface Pocket Filters", Apr. 1991, 4 pages.
SnyderGeneral Canada Inc., Product Brochure, "DRI-Pak", Jul. 1991, 8 pages.
AAF-Ltd., DRI-Pak, High and Medium Efficiency Air Filters Extended Surface Pocket Type, Oct. 1981, 8 pages.

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