Filter Material and Face Mask

摘要

The present invention relates to a filter material for respirator masks. The filter material comprises a filter material layer that is pleated so as to form a plurality of folds, said filter material layer comprising a filter layer and a first netting layer. The invention is characterized in that the filter material layer comprises a second netting layer disposed on the filter layer on the side opposite to said first netting layer. The invention additionally relates to a respirator mask comprising such a filter material.

主权项

1. A respirator mask comprising a cup-shaped mask body, which cup-shaped mask body is formed entirely from a filter material layer which is pleated so as to form a plurality of folds, said pleated filter material layer comprising a filter layer and a first netting layer, characterized in that the pleated filter material layer comprises a second netting layer disposed on the filter layer on the side opposite to said first netting layer to form a pleated structure and further characterized in that the respirator mask is additionally provided with a mask lattice overlaying one side of the pleated structure.