PLEATED FILTERING FACE PIECE RESPIRATOR.

摘要

A pleated molded filtering face piece respirator for the face and for providing filtering including at least one layer of moldable flexible plastic formed from openwork flexible plastic for providing a plurality of perforations for allowing for the free passage of air through the openwork. A layer of moldable filter material for filtering impurities in the air, the layer of flexible plastic formed from openwork flexible plastic and the layer of filter for filtering impurities in the air lying one on top of the other. The moldable multilayer of flexible plastic material and filter material are pleated into pleated material and molded to form the pleated filtering face piece respirator to a desired configuration where the one layer of openwork flexible plastic material forms a support layer to carry the layer of filter material.