Respiratory mask

A respiratory mask for use in relatively cold environments configured to fit over the nose and mouth of the wearer. The mask is constructed of an insulating material with a flow-through opening therein in spaced alignment with at least the mouth of the wearer. The flow-through opening is filled with...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LANGMAN, VAUGHAN A
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A respiratory mask for use in relatively cold environments configured to fit over the nose and mouth of the wearer. The mask is constructed of an insulating material with a flow-through opening therein in spaced alignment with at least the mouth of the wearer. The flow-through opening is filled with a thermally conductive mesh material wherein all of the fluids flowing into the interior of the mask and all of the fluids flowing out of the mask must flow through said thermally conductive material.