Unitary centertube for a fluid filter

Details Unitary centertube for a fluid filter Unitary centertube for a fluid filter

2005-01-11

2005-01-11

Cecil, Terry K. (Department: 1723)

Liquid purification or separation

Filter

With central pervious tubular receiver

C210S497010

Reexamination Certificate

active

06840386

ABSTRACT:
A unitary centertube, molded out of a synthetic material and designed for use as part of a fluid filter, includes a tubular body portion arranged with a plurality of annular ribs in alternating sequence with a plurality of annular recessed sections, the tubular body portion defining a plurality of fluid flow apertures and an interior opening. The plurality of fluid flow apertures are arranged in two styles to facilitate the mold design. Included as part of the unitary centertube is a cross-beam section positioned in the interior opening for providing reinforcement to a corresponding filtering element when subjected to a differential pressure.

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