Reinforced filter element

Gas separation – With means securing or retaining separating media – Unit or cohesive sheet-like media in flow line or frame

Reexamination Certificate

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Details

C055S497000, C055S498000, C055S501000, C055S520000, C055S521000, C210S494100, C210S497100

Reexamination Certificate

active

07972402

ABSTRACT:
The present invention provides one or more reinforcing members configured to act together with the adhesive bonding between filter media layers to further resist axial deformation forces such as induced by fluid flowing through the filter and thereby acting to retain the structural form and integrity of the filter element. Also disclosed is a method of reinforcing layers of a multilayer axial filter element against displacement of the layers.

REFERENCES:
patent: 6102978 (2000-08-01), Butler
patent: 6176890 (2001-01-01), Svedlind et al.
patent: 6517598 (2003-02-01), Anderson et al.
patent: 6524479 (2003-02-01), Schwinghammer
patent: 7396375 (2008-07-01), Nepsund et al.
patent: 7481863 (2009-01-01), Oelpke et al.
patent: 2006/0123754 (2006-06-01), Oelpke et al.
patent: 2007/0169449 (2007-07-01), Merritt
patent: 2007/0271886 (2007-11-01), Rieger et al.
patent: 2009/0320423 (2009-12-01), Merritt et al.
patent: 2009/0320424 (2009-12-01), Merritt et al.
patent: WO2007/087233 (2007-08-01), None
patent: WO 2007087233 (2007-08-01), None

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