Patent ID: 7735659
Filing Date: 2010-06-15
Classification: B01D,Y10S

Abstract:
1. A filter construction comprising a filter element comprising two pleated filter cloths mounted so that their folds are oppositely directed to form a series of lozenge-sectioned filtration chambers, the end edges of said cloths being clamped by edge strips, one located at each end of the filter, the edge strips being at least as wide as the pleats formed in the filter cloths, the edge strips each being formed as mouldings in the form of generally tubular members which provide rigid side elements, each tubular member having a longitudinal slot in one wall thereof into which the end edge regions of the filter cloth are inserted, and retained by clamping means which press parts of the end regions of the filter cloths against the inner face of said slotted wall to either side of said slot, the clamping means having means bearing on the inner surface of a wall of the tubular member opposite to the slot.