Patent ID: 7171966
Filing Date: 2007-02-06
Classification: A61M

Abstract:
1. A breathing mask, comprising: a mask body having a front and a rear edge; a seal at an edge of said mask body, at least part of the seal that is in contact with the user's face is elastically deformable with a spring characteristic ranging from linear to progressive, and at least part of the seal that is in contact with the user's face is elastically deformable with a degressive spring characteristic, wherein said seal comprises an elastic material and a superelastic support means made of a superelastic material wherein said superelastic support means comprises an array of longitudinally extending elements, which are curved over a rearward extent and including a portion adjacent to said rear edge that extends rearwardly and radially outwardly curving to a portion spaced away from said rear edge that extends rearwardly and radially inwardly and wherein said longitudinally extending elements are arranged in parallel.