Patent ID: 6235195
Filing Date: 2001-05-22
Classification: B01D

Abstract:
A filter arrangement comprising:(a) a filter element having opposite first and second ends; said filter element comprising: a shoot of corrugated filter media; and a sheet of non-corrugated media oriented adjacent to said at least one sheet of corrugated media;(i) said sheet of corrugated filter media and said sheet of non-corrugated media being attached to each other and having a rolled construction;(ii) said sheet of corrugated filter media comprising alternating peaks and troughs forming a plurality flutes;(A) each of said flutes having a first end portion adjacent to said filter element first end, and a second end portion adjacent to said filter element second end; said flutes having a longitudinal direction extending between said first end portion and said second end portion;(B) selected ones of said flutes being open at said first end portion and sealed closed at said second end portion; and(C) selected ones of said flutes being scaled closed at said first end portion and open at said second end portion; and(b) a handle member projecting axially from said first end of said filter element to permit manipulation of said filer element; said handle member having at least a single aperture surrounding a respective axis that is normal to said longitudinal direction of said plurality of flutes.