Filter cartridge for use in severe environments

Details Filter cartridge for use in severe environments Filter cartridge for use in severe environments

2005-04-12

2005-04-12

Savage, Matthew O. (Department: 1724)

Liquid purification or separation

Filter

With central pervious tubular receiver

C210S487000, C210S489000, C210S497010, C210S500100

Reexamination Certificate

active

06877612

ABSTRACT:
A filter cartridge for use in severe or harsh applications, such as acidic or alkaline environments or hot or cold temperatures. The inventive filter cartridge is constructed of a central, perforated core having reinforcing bands on the ends which is surrounded by a continuous tube of filtration material and bounded by end caps. Rather than using potting compounds or other techniques which are susceptible to severe environments, the end caps are secured to the filter material enrobed core by way of mechanical fasteners, such as blind pop-rivets, screws, or nails.

REFERENCES:
patent: 1319309 (1919-10-01), Smarch
patent: 1976975 (1934-10-01), Williams
patent: 2677466 (1954-05-01), Lowe
patent: 5223134 (1993-06-01), Riva

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