Short-term emergency survival breathing and eye-shielding

Claim 2

In a facemask including means for supplying breathing mixture and for shielding a user's face in emergency, the improvement comprising: means for unfolding and deploying the facemask across a user's face in response to slapping the facemask against the user's face, including means for securing the facemask on the user's head in response to said deployment of the facemask across a user's face.

Claim 3

In a facemask as recited in claim 1 wherein said facemask and securing means include inflatable tubular members and the means for unfolding and deploying including means for inflating said inflatable tubular members.

Claim 4

In a facemask as recited in claim 2, the inflating means including a source of compressed gas having connection with said inflatable tubular members and impact--responsive means for admitting gas from said source to said inflatable tubular members upon said slapping of the facemask against a user's face.

Claim 5

In a facemask including means for supplying breathing mixture and for shielding a user's face in emergency, the improvement comprising: means for unfolding and deploying the facemask across a user's face in response to slapping the facemask against a user's face, including means for securing the facemask on the user's head in response to said slapping of a portion of the facemask against a user's face; said facemask and securing means including inflatable tubular members and said means for unfolding and deploying including means for inflating said inflatable tubular members, said inflating means including a source of compressed gas having connection with said inflatable tubular members and impact-responsive means for admitting gas from said source to said frame part of the facemask upon said slapping of the facemask against a user's face, and said impact-responsive means having orientation relative to the facemask for striking a portion of a said user's face upon said slapping of the facemask against a said user's face.

Claim 6

In a facemask including means for supplying breathing mixture and for shielding a user's face in emergency, the improvement comprising: means for unfolding and deploying the facemask across a user's face in response to slapping the facemask against a user's face, including means for securing the facemask on the user's head in response to said slapping of a portion of the facemask against a user's face; said facemask and securing means including inflatable tubular members and said means for unfolding and deploying including means for inflating said inflatable tubular members, said inflating means including a source of compressed gas having connection with said inflatable tubular members and impact-responsive means for admitting gas from said source to said frame part of the facemask upon said slapping of the facemask against a user's face, and said impact-responsive means having orientation relative to the facemask for striking a portion of a said user's face upon said slapping of the facemask against a said user's face.

Claim 7

In a facemask as recited in claim 4, said inflatable tubular members including said means for securing and comprising structure proportioned for extending upon inflation around a user's head.

Claim 8

In a facemask as recited in claim 5, said inflatable tubular members including a boundary portion having shape for fitting around a user's face.

Claim 9

In a facemask as recited in claim 6, said structure including a first pair of opposed arms positioned for passing around an upper part of a user's head.

Claim 10

In a facemask as recited in claim 7, said structure further comprising a second pair of opposed arms for passing around a lower part of a user's head.

Claim 11

In a facemask as recited in claim 8, the facemask having a transparent flexible eyeshield, and the inflatable tubular members being generally in the shape of a figure-eight, with the eyeshield in the upper opening of the figure-eight shape.

Claim 12

In a facemask as recited in claim 9, a cover over the lower opening in the figure eight shape forming a breathing enclosure; a second said source of compressed gas, said second source having connection with the breathing enclosure.

Claim 13

In a facemask as recited in claim 10, second impact-responsive means for admitting gas from said second source through said connection with the breathing enclosure.

Claim 14

In a facemask as recited in claim 11, the second impact-responsive means located for striking a portion of a user's face for slap actuation.

Claim 15

In a facemask as recited in claim 12, an impact bar connecting the first said and the second impact-responsive means for assuring simultaneous operation.

Claim 16

In a facemask as recited in claim 7, said first pair of arms having a pre-deployment folded position, said pre-deployment folded position being within said inflatable tubular members.

Claim 17

In a facemask as recited in claim 14, said folded position being with each said arm returned in itself.