Fume protection device

Details Fume protection device Fume protection device

A - Human Necessities

62

B

98/29, 137/1.52

A62B 9/00 (2006.01) A62B 11/00 (2006.01) A62B 15/00 (2006.01) A62B 31/00 (2006.01)

Patent

CA 1196808

ABSTRACT A fume protection device which allows a person within a room of a smoke filled building to breathe air from outside the building is disclosed. The fume protection device is com- prised of a conduit in an exterior building wall in communica- tion with outside air, having a sealing valve adapted to seal the conduit from the passage of air except when activated, so as to maintain pressure differences between the interior of the building and the exterior thereof under ordinary conditions, and one or more breathing masks and tubes, the tubes being connected at one end to an inlet port of a mask and having at another end a jack being adapted to connect to the conduit and upon connec- tion to activate the sealing valve to open to establish communi- cation between the outside air and the interior of the breathing mask through the conduit and the tube.

432671

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