Patent ID: 9095796
Filing Date: 2015-08-04
Classification: B01D,B29C,B29L,Y10T

Abstract:
1. A filter element comprising: at least two end sections of a flat filter material; and a connecting element connecting at least two end sections of a flat filter medium, said connecting element including: wherein end sections of said flat filter medium is inserted into respective ones of said at least two intermediate spaces between respective adjacent legs; wherein said end sections are thermally welded to leg material of said two adjacent legs forming said respective intermediate space into which said end section is inserted; wherein said filter medium is secured by said welding to said connecting element; wherein said connecting element secures said at least two end sections of a flat filter material to said connecting element; wherein the connecting element is a flat sheet of material; wherein the flat sheet is folded into a W-shaped profile, the folds of the profile forming: wherein the first and second inner legs are arranged between the first and second outer legs; wherein the first outer leg is connected to the first inner leg at a first fold tip of the folded strip; wherein the first inner leg is connected to the second inner leg at a second fold tip of the folded strip; wherein the second inner leg is connected to the second outer leg at a third fold tip of the folded strip; wherein a first one of the at least two intermediate spaces is a groove formed by the first outer leg and the first inner leg; wherein a second one of the at least two intermediate spaces is a groove formed by the second inner leg and the second outer leg.