Liquid purification or separation – Filter – Movable medium
Reexamination Certificate
2007-08-29
2009-11-10
Popovics, Robert James (Department: 1797)
Liquid purification or separation
Filter
Movable medium
C210S400000, C210S406000, C210S783000
Reexamination Certificate
active
07614503
ABSTRACT:
The present invention relates to a device for separating liquid and solid material from a mixture which includes a filter cloth for allowing through the liquid and holding back the solid material; a carrier belt for supporting the filter cloth with the mixture thereon, wherein the carrier belt is provided with one or more openings close to at least one of the side edges or at least eccentrically thereof; a support construction for supporting the carrier belt movable relative thereto; and a suction box arranged under the support construction and/or on the side of the carrier belt and connected to the optional openings in the carrier belt for extracting liquid from the mixture.
REFERENCES:
patent: 4351726 (1982-09-01), Somerville
patent: 2004/0055971 (2004-03-01), Marchal
patent: 2007/0289916 (2007-12-01), Marchal
patent: 33551 (1981-08-01), None
patent: 0839562 (1998-06-01), None
A.A.J.A. Prinssen, “Vacuum Belt Filters”, Proceedings of the Filtration Society, Mar./Apr. 1979 Filtration & Separation, pp. 176-180.
Pannevis B.V.
Popovics Robert James
The Webb Law Firm
LandOfFree
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