Patent ID: 6340024
Filing Date: 2002-01-22
Classification: A62B

Abstract:
A device for protection to a user, from heat, noxious and/or toxic gases during hypoxic and fire emergencies, the device usable alone or the device usable in conjunction with a breathable oxygen source comprising:an exclusively dry multi-stage filtering means for converting atmospheric gases into breathable air; a mask having a first and second mask aperture, said mask constructed and arranged to conform to the contours of a user's mouth and nose region, said mask connected to said means for converting at said first mask aperture, said mask having an exhalation valve; means for retaining said mask tightly on a user's mouth and nose regions at said second mask aperture, said means for retaining connected to said mask; wherein said device provides protection to a user, from heat, noxious and/or toxic gases which might be present during hypoxic and fire emergencies; a hood constructed of a non-flammable, gas impermeable material, said hood covering a user's head and neck area, said hood having an interior surface and an exterior surface, said means for converting attached to said hood; means for viewing during hypoxic and fire emergencies attached to said hood and disposed substantially in front of a user's eyes; means for preventing fogging of said means for viewing during exhalation by said user, said means for preventing fogging disposed on said hood and is adjacent said exhalation valve when said hood is properly deployed; and means for preventing said atmospheric air from locating within said hood, said means for preventing attached to said interior surface of said hood.