Patent ID: 7007690
Filing Date: 2006-03-07
Classification: A62B

Abstract:
1. A crew mask for protection of a user against chemical and biological hazards, comprising: (a) a facepiece having a hybrid face seal, wherein said hybrid face seal comprises a single continuous seal having an intern seal adapted to surround and seal the user's chin, nose and mouth, contiguous with and transitioning into a flat seal adapted to extend on both sides of the user's face up to and across the user's forehead; (b) at least one transparent lens attached to said facepiece and adapted to be positioned at the level of the eyes of the user; (c) at least one inlet connection in said facepiece adapted to connect to a hose for delivery of filtered air; (d) at least one, one-way exhaust port in said facepiece for venting air from said crew mask; and (e) a compact filter unit connected to said facepiece for providing filtered air to said inlet connection.