Air filters including filters configured for both radial and axial sealing
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United States of America Patent
Stats
-
May 16, 1995
Grant Date -
N/A
app pub date -
Dec 28, 1993
filing date -
Dec 28, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A metal, U-shaped, annular cap is placed over one end of a cylindrical body of filter material. The metal end cap is retained on the body of filter material by a layer of plastisol and has adhered to the outside surface thereof an annular gasket made of either polyurethane or a closed or opened cell foam. The gasket presents an axially extending sealing surface for effecting a radial seal with a sealing flange in a filter housing. In accordance with another embodiment of the invention, a second annular gasket is provided which is adhered to the surface of the U-shaped end cap and extends axially therefrom. The second annular gasket has a radial surface for effecting an axial seal with a filter housing configured for axial sealing with filter elements disposed therewithin.
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