Patent ID: 7754078

Claim:
A filter for liquids loaded with solid particles comprising: a vessel provided with an inlet for the liquid to be filtered, an outlet for the filtrate emerging from a central manifold and a discharge orifice for the sludge of solid particles; a plurality of filtering elements enclosed in the vessel, each filtering element being made of elongated pockets of fabric of filtering media which have an upper opening and which are mounted around frames provided with longitudinal drainage channels; support elements housed in said vessel, each support element comprising a radial pipe forming a manifold and an integral peripheral catching groove, wherein the frames of the filtering elements are suspended from the support elements so that the upper opening of the filtering elements communicate with the outlet through the manifold; and a locking means comprising a tightening lath mounted in the peripheral catching groove, a grasping element supported by the lath, and a forced support element, wherein an upper edge of said pockets is provided with a hem and a single stiffening element positioned in the hem, and wherein the forced support element engages the grasping element to urge the tightening lath against the stiffening element to lock the stiffening element of the hem in the catching groove.