Patent ID: 6521011
Filing Date: 2003-02-18
Classification: B01D,Y10S,Y10T

Abstract:
A self-supporting, pleated filter, comprising:a filter media having a plurality of pleats defining a plurality of pleat tips and sloping side surfaces extending along a front face and a rear face, the pleat tips being perpendicular to a direction of pleating; a reinforcing structure comprising; a generally planar first reinforcing strip oriented in the direction of pleating bonded to the pleat tips along the front face; a planar reinforcing member extending in the direction of pleating generally along the contour of the pleat tips and sloping side surfaces on the rear face, the reinforcing member having reinforcing member pleat tips; and a generally planar second reinforcing strip bonded to the reinforcing member pleat tips such that the planar reinforcing member, first reinforcing strip and second reinforcing strip comprise a truss structure.