Filter mask with eye shield

Details Filter mask with eye shield Filter mask with eye shield

1996-07-17

1997-11-04

Millin, Vincent

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820621, 12820623, 12820112, 128857, A62B 710

Patent

active

056828799

ABSTRACT:
A filter mask has an eye shield comprising a sheet of flexible transparent material sealed to the mask along its lower edge. That edge of the eye shield material has one or more widthwise folds so that, while the upper edge of the mask can follow the contours over the nose and along the cheeks of a user the eye shield can adopt a more gentle curvature by relative compression of the folds where they pass over the nose and relative opening of the folds to each side. A comfortable fit can thereby be achieved without creasing of the eye shield and without detriment to the sealing of the mask against the user's face and the sealing of the eye shield to the mask.

REFERENCES:
patent: 2056753 (1936-10-01), Wagner
patent: 4944294 (1990-07-01), Borek
patent: 4966140 (1990-10-01), Herzberg
patent: 5383450 (1995-01-01), Hubbard et al.
patent: 5406943 (1995-04-01), Hubbard et al.
patent: 5406944 (1995-04-01), Gazzara
patent: 5446925 (1995-09-01), Baker et al.
patent: 5553608 (1996-09-01), Reese et al.
patent: 5561863 (1996-10-01), Carlson
patent: 5584078 (1996-12-01), Saboory

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