Filter cartridge with drainable sludge barrier

Liquid purification or separation – Diverse distinct separators – Including a filter

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Details

210338, 210437, 210457, 210460, 210470, B01D 2915

Patent

active

058110020

ABSTRACT:
This invention relates generally to filters for removing impurities from liquids, and more particularly to a replaceable filter cartridge having a barrier for preventing contaminants from draining from a spent cartridge, as it is being replaced. The barrier comprises a layer of filter media closely surrounding an inner perforated conducting conduit.

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patent: 5458767 (1995-10-01), Stone

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