Disposable face mask with multiple liquid resistant layers

Details Disposable face mask with multiple liquid resistant layers Disposable face mask with multiple liquid resistant layers

1994-10-06

1995-11-21

Asher, Kimberly L.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820613, 12820612, A62B 710, A62B 1802, A62B 2302, A62B 1808

Patent

active

054677653

ABSTRACT:
A pleated, disposable, liquid-resistant face mask formed of a three-ply or four-ply composite laminate structure that is conformable to the shape of the wearer's face. The three-ply face mask has a first ply formed of a non-woven material, a carded cotton material, and a creped tissue wadding material; a second ply formed of a non-woven, meltblown, polypropylene material; and a third ply formed of a non-woven, thermobond, polypropylene material. In the four-ply mask,there is an additional ply of non-woven, colored, spunbond, polypropylene material which may be of any color and acts as the face-contacting surface of the face mask.

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