Gas mask filter canister

Details Gas mask filter canister Gas mask filter canister

2007-12-25

2007-12-25

Smith, Duane (Department: 1724)

Gas separation: apparatus

Solid sorbent apparatus

Plural diverse separating means

C055SDIG033, C128S201250

Reexamination Certificate

active

10512540

ABSTRACT:
A filter for a gas mask has an elliptical or circular, convex shape to conform to the curvature of the wearer's face, or a planar shape. The filter comprises a double particulate filter element and a double adsorption filter element configured for axial airflow therethrough with a bifurcated flow pattern. The adsorption filter element comprises a granulated charcoal, a composite material having carbon particles combined with binder particles, or an immobilized bed of charcoal granules and EVA-coated fibers.

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