Patent ID: 6221122
Filing Date: 2001-04-24
Classification: B01D

Abstract:
A filter element comprising:(a) a frame construction having an outer periphery;(b) a region of media held by said frame construction;(i) said region of media having a portion oriented within said frame construction to remove at least some particulates from a gas stream passing therethrough;(ii) said region of media including a skirted portion;(A) said skirted portion extending outside of said outer periphery and having a continuous outermost edge;(B) said skirted portion being sufficiently flexible to be foldable over said outer periphery;(iii) said region of media comprising non-pleated media within said outer periphery of said frame construction; and(iv) said frame construction comprising first and second frame pieces trapping said region of media therebetween;(A) said first and second frame pieces being secured together by pinching said region of media between said first frame piece and said second frame pieces;(B) said outermost edge of said skirted portion being loose and flexible and spaced from said outer periphery of said frame construction, when the filter element is not operably installed in a duct.