Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Patent
1992-12-11
1996-04-09
Asher, Kimberly L.
Surgery
Respiratory method or device
Means for removing substance from respiratory gas
12820712, 12820612, 12820227, A62B 710, A62B 1808, A62B 2302, A62B 1900
Patent
active
055051979
ABSTRACT:
A respirator mask, including a unitary body member formed of a flexible rubberlike material and having an inner surface to fit and seal upon the face of a user. The body member including at least one opening to receive a filter cartridge and including an internally extending flange portion forming the circumference of the opening. A filter cartridge formed of a substantially rigid material and including an inner grooved portion having a shape substantially complementary to the internally extending flange portion of the body member and with the flange portion for reception within the grooved portion of the cartridge to provide for the cartridge being locked within the opening in the body portion. The internally extending flange portion of the body member and the grooved portion of the cartridge forming a seal to prevent any passage of air from the outside to the inside of the mask, except through the filter cartridge.
REFERENCES:
patent: 2104016 (1938-01-01), Biggs
patent: 2215433 (1940-09-01), Punton
patent: 2375147 (1945-05-01), Teague
patent: 2640481 (1953-06-01), Conley
patent: 2741246 (1956-04-01), Litchfield
patent: 3003499 (1961-10-01), Timm et al.
patent: 3262447 (1966-07-01), Burke
patent: 3342200 (1967-09-01), Wilcox
patent: 4414973 (1983-11-01), Matheson et al.
patent: 4606670 (1986-08-01), Angell
patent: 4648394 (1987-03-01), Wise
patent: 4796615 (1989-01-01), Bullock et al.
patent: 5076540 (1991-12-01), Murphy
Asher Kimberly L.
Modex/Metric Products, Inc.
Roston Ellsworth R.
Schwartz Charles H.
LandOfFree
Respirator mask with tapered filter mount and valve aligning pin does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Respirator mask with tapered filter mount and valve aligning pin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Respirator mask with tapered filter mount and valve aligning pin will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-132621