Respirator That Uses A Predefined Nose Foam Shape

  • US 20080099022A1
  • Filed: 10/26/2006
  • Published: 05/01/2008
  • Est. Priority Date: 10/26/2006
  • Status: Abandoned Application
First Claim
Patent Images

1. A respirator that comprises:

  • (a) a mask body that is adapted to fit over the nose and mouth of a person and that has an interior surface; and

    (b) a nose foam that comprises;

    (i) a front side, a rear side, and a mask contacting surface, the nose foam being secured to the interior surface of the mask body at the mask contacting surface;

    (ii) a central portion;

    (iii) first and second side-contacting portions that are symmetrically located on opposing sides of the central portion; and

    (iv) a nose-contacting surface that extends over the central portion and the first and second side-containing portions, the nose-contacting surface being skewed at first and second angles α

    to a plane that cuts through the nose foam orthogonally to a lengthwise dimension.

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