Surgery – Respiratory method or device – Including body or head supported means covering user's scalp
Patent
1993-02-01
1994-06-07
Brown, David H.
Surgery
Respiratory method or device
Including body or head supported means covering user's scalp
12820115, 12820123, A62B 710, A62B 1704, A62B 1800, A62B 2302
Patent
active
H00013161
ABSTRACT:
A disposable respiratory protective gas and toxic fume mask is described which comprises a transparent hood of thin film chemical resistant material sealable at the neck or to the face of a subject and covering the eyes, nose and mouth, a filter in the hood for filtering and conducting air into the hood, a tube interconnecting the filter and a mouthpiece and including a first one-way valve for conducting filtered air to the subject, a second one-way valve in the mouthpiece for conducting exhaled air air into the interior of the hood and thereby generating an overpressure condition within the hood.
REFERENCES:
patent: 2702089 (1955-02-01), Engelder
patent: 4154235 (1979-05-01), Warncke
patent: 4458680 (1984-07-01), Childers et al.
patent: 4614186 (1986-09-01), John
patent: 4637383 (1987-01-01), Lopez
patent: 4764990 (1988-08-01), Markert
patent: 4998529 (1991-03-01), Werjefelt
patent: 5003974 (1991-04-01), Mou
patent: 5040530 (1991-08-01), Bauer et al.
patent: 5056512 (1991-10-01), Bower et al.
patent: 5113854 (1992-05-01), Dosch et al.
patent: 5115804 (1992-05-01), Brookman
patent: 5119808 (1992-06-01), Marquardt et al.
patent: 5140980 (1992-08-01), Haughey et al.
patent: 5186165 (1993-02-01), Swann
Avon Industrial Polymers Limited, NBCS10, New General Service Respirator, 4 sheets.
Brown David H.
Scearce Bobby D.
The United States of America as represented by the Secretary of
LandOfFree
Disposable gas and toxic fume mask does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Disposable gas and toxic fume mask, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Disposable gas and toxic fume mask will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-784514