Filter element having sealing members and methods

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

C055S498000, C055S500000, C055S502000, C055S503000, C055S521000

Reexamination Certificate

active

06997968

ABSTRACT:
A filter arrangement includes a media construction comprising a corrugated sheet secured to a flat sheet rolled into a coiled construction. A frame and a first seal member are provided. The frame secures the first seal member to the coiled construction. The first seal member is preferably oriented to form a radial seal with a housing. A second seal member is secured to the outer annular surface of the coiled construction. The second seal member includes a gasket extension having first and second opposite ends; an attachment portion; and a protrusion extending from the attachment portion. The second seal member is preferably oriented to form an axial seal with a housing. Air cleaners preferably utilizing filter arrangements as described herein operably installed within housings. Methods of installing, filtering, assembling, and servicing preferably include arrangements as described herein.

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