Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
Reexamination Certificate
2006-10-24
2006-10-24
Savage, Matthew O. (Department: 1724)
Liquid purification or separation
Filter
Supported, shaped or superimposed formed mediums
C210S499000, C209S395000
Reexamination Certificate
active
07125491
ABSTRACT:
A flat or cylindrical screen includes rods and rod-bearing supporting elements. The rods have protrusions in the side walls which are received into inversely shaped recesses in a supporting element. The screen is manufactured by bending the supporting elements open elastically and inserting the rods, whereupon the supporting elements spring back, encircle the rods positively and form a screen mat.
REFERENCES:
patent: 212645 (1879-02-01), Baumann
patent: 5090721 (1992-02-01), Lange
patent: 5094360 (1992-03-01), Lange
patent: 5768783 (1998-06-01), Lange
patent: 6092286 (2000-07-01), Lange
patent: 0 499 154 (1992-08-01), None
Gabl Helmuth
Pichler Axel
Alix Yale & Ristas, LLP
Andritz AG
Savage Matthew O.
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