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Thermal exchange breathing device
   
Document Number
US Patent 6196221
Issued Date
March 6, 2001
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Abstract
A thermal exchange breathing device is provided which include a heat exchange module 14 which is mounted in a face mask (12) with an air flow passage extending from a mouthpiece (72) through a breathing vent (64) to an atmospheric vent (68) through a heat exchange medium (68) in the heat exchange module. The face mask (12) is provided with a head strap (22,94) which may include connectors (95 and 95') between the respective ends of the head strap and the sides of the face mask, said connectors including a stand-off (97) to keep the face mask snug against the user's face when the user wears a helmet.
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Thermal exchange breathing device - US Patent 6196221 Drawing
Drawing from US Patent 6196221
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Number of Claims:
7
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Owner
Polar Wrap, LLC (Memphis, TN)
Published
March 6, 2001
Application Number
09/246,750
Filed
February 8, 1999
US Classification
128/204.17   128/201.13
Int'l Classification
A61M   16/10   (20060101)   A61M   16/06   (20060101)  
Examiner
USPTO Field of Search
128/200.24   128/201.13   128/204.17   128/205.25   128/206.12   128/206.19   128/206.21  
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