Fatigue rated glass filled plastic filter assembly incorporating a coreless plastic filter element with integral seal
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United States of America Patent
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Nov 1, 2005
Grant Date -
Apr 8, 2004
app pub date -
Oct 8, 2002
filing date -
Oct 8, 2002
priority date (Note) -
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Abstract
A filter assembly for filtering fluids which may be readily disassembled includes a perforated center tube assembly which is fluid-tightly connected at one end to an injection molded plastic head and is closed at its other end; an injection molded plastic bowl having one open end and a semi-closed second end; a disposable cylindrical plastic filter element adapted to fit within the plastic bowl and slip over the perforated center tube assembly in close proximity thereto but with no physical retention means between the plastic filter element and the center tube assembly. The assembly includes a releasable seal between the plastic filter element and the center tube assembly. The plastic head further includes an annular base provided with injection molded threaded fittings whereby it can be attached to a fluid supply and unfiltered fluid can flow into the plastic bowl and filtered fluid can flow out of the plastic bowl. The plastic head assembly further includes a mechanism for releasable engagement with the open end of the plastic bowl.
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