Disposable face mask

Details Disposable face mask Disposable face mask

1981-04-03

1983-05-24

Recla, Henry J.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820624, A62B 710

Patent

active

043845770

ABSTRACT:
A face mask for filtering air to a wearer including a plurality of non-woven fibers molded in a generally cup shaped configuration for fitting over the mouth and nose of the wearer and with the cup shaped configuration including a nose bridge portion for lying along the bridge of the nose of the wearer, nose pad portions aligned to either side of the nose bridge portion for fitting against the sides of the nose and a central portion lying below the nose bridge and nose pad portions and with the fibers of the nose pad portions more lightly compacted during molding than the fibers of at least portions of the central portion for providing sealing of the face mask along the sides of the nose and the cheekbones of the wearer, and an elongated ridge member extending across the nose bridge portion and along the nose pad portions and with the elongated ridge more tightly compacted than the nose pad portions to produce a springing action to push the nose pad portions against the side of the nose and the cheekbones of the wearer.

REFERENCES:
patent: 3220409 (1965-11-01), Liloia et al.
patent: 4037593 (1977-07-01), Tate, Jr.
patent: 4319567 (1982-03-01), Magidson

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