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Modular respirators and a method of conversion thereof

  • US 20020092522A1
  • Filed: 01/18/2001
  • Published: 07/18/2002
  • Est. Priority Date: 01/18/2001
  • Status: Active Grant
First Claim
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1. A method of converting a respirator mask from a first type of body seal to a second type of body seal, wherein the respirator mask has a facial lens, the lens having a perimeter sealing edge extending around the lens, the method comprising:

  • releasing a seal between the perimeter sealing edge of the lens and a lens opening on the first type of body seal;

    removing the lens from the lens opening on the first type of body seal;

    aligning the lens within a lens opening on the second type of body seal; and

    forming a seal between the perimeter sealing edge of the lens and the lens opening of the second type of body seal.

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