Patent ID: 6033455
Filing Date: 2000-03-07
Classification: A61M,B01D

Abstract:
A reusable filter frame for mounting and fixing a filtering medium, comprising a filter frame which comprises a pair of frame elements capable of being integrally bonded together through flange bonding, each frame element comprising a passage portion allowing the passage of a fluid to be filtered and a flange portion, having an inside face and an outside face, outwardly disposed at a peripheral end portion of said passage portion, each of said frame elements flange portions have at least one bending portion, which bending portions bend in opposite directions on the opposing frame elements, said two frame element flange portions engage such that an outside face of one flange portion and an inside face of the other flange portion substantially continuously engage with each other with at least one tongue-in-groove connecting portion, along with sandwich.sub.13 wise securing of said filtering medium between at least a portion of the two engaged flange portions.