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Protective cover for air filter and for conduit connecting air filter to breathing mask

  • US 6,349,721 B1
  • Filed: 10/04/1999
  • Issued: 02/26/2002
  • Est. Priority Date: 10/04/1999
  • Status: Expired due to Fees
First Claim
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1. For use by a firefighter or by another wearer in a hazardous environment exposing the wearer potentially to heat, flame, or both as well as to smoke or other chemical or biological agents, a combination comprising a breathing mask, a canister containing an air filter and having an air inlet or air inlets, a conduit connecting the canister to the breathing mask, and a protective cover for the conduit and for the canister, the protective cover comprising a fabric shell, defining a sleeve which covers the conduit, essentially as far as the breathing mask, which does not cover the breathing mask, and which covers the canister, except that the fabric shell has an air inlet or air inlets communicating with the air inlet or air inlets of the canister, the conduit extending through the fabric shell, and the fabric shell being made from a heat-resistant, flame-resistant fabric.

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