Sludge filter for separating sludge liquids from sludge solids

Details Sludge filter for separating sludge liquids from sludge solids Sludge filter for separating sludge liquids from sludge solids

2007-01-11

2010-10-26

Savage, Matthew O (Department: 1797)

Liquid purification or separation

With repair or assembling means

C210S477000, C210S489000, C210S499000

Reexamination Certificate

active

07820045

ABSTRACT:
A sludge filter is comprised of a mesh filter media secured to a support net. The support net includes a front surface adjacent the filter media and a rear surface opposite the filter media, the rear surface having a plurality of outwardly extending nodes to define flow channels for horizontal and vertical fluid flow intermediate the net and a container surface. The sludge filter is attached directly to the walls or floor of a container. In a preferred embodiment a border of the sludge filter comprises one part of a two-part fastener system with a second part of the two-part fastener system attached to a container along the perimeter of the filter coverage area, so that the filter medium may be removably attached to the container.

REFERENCES:
patent: 4426020 (1984-01-01), Presseau et al.
patent: 5776567 (1998-07-01), Schilling et al.
patent: 5891549 (1999-04-01), Beretta et al.
patent: 6221120 (2001-04-01), Bennington et al.
patent: 6258268 (2001-07-01), Lake
patent: 7179377 (2007-02-01), Caughman, Jr.

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