Patent ID: 6543450
Filing Date: 2003-04-08
Classification: A62B

Abstract:
A survival mask for use in hazardous environments for protecting a user from smoke and toxic gases, comprising:a flexible mask body defining a visual portion and a respiratory portion, said mask body including a peripheral airtight seal having adhering means to allow said mask body to adhere to the user's face, said mask body capable of being folded to provide a compact storage configuration, said flexible mask body being adaptable to fit the size and shape of different facial anatomy; said mask body including an intermediary airtight seal to separate said visual portion from said respiratory portion thereby preventing any contaminants to travel from said respiratory portion to said visual portion, said visual portion including a transparent window for covering the eyes of the user; said respiratory portion including filter material and further including a self contained, supplementary oxygen supply; and means for securing the mask body to a user's face; wherein said self-contained supplementary oxygen supply comprises one or more frangible vials containing perfluorocarbon, where upon fracture of one or more of said vials, said perfluorocarbon assures immediate availability of oxygen to the user.