Methods of forming fibrous filtration face masks

Details Methods of forming fibrous filtration face masks Methods of forming fibrous filtration face masks

A - Human Necessities

62

B

A62B 18/02 (2006.01) A41D 13/11 (2006.01) A62B 9/06 (2006.01) B01D 39/08 (2006.01) D04H 1/54 (2006.01) B01D 39/16 (2006.01)

Patent

CA 2096636

Methods for forming fibrous-filtration-face-masks and shaping layers for the face masks are disclosed. The methods pro- duce masks and layers which have a substantially reduced ability to form surface fuzz after being exposed to a normal degree of abrasion. The methods involve cold molding a non-woven web of thermally bonding fibers. To further reduce surface fuzz crea- tion, a preskinning step may be employed. Also disclosed are fibrous filtration face masks that maintain low degrees of surface fuzz.

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