Surgery – Respiratory method or device – Face mask covering a breathing passage
Patent
1984-05-21
1986-08-05
Recla, Henry J.
Surgery
Respiratory method or device
Face mask covering a breathing passage
A62B 700
Patent
active
046036920
ABSTRACT:
A yoke for the face piece of a respirator is formed from plastics material and is provided with hinge portions of lesser thickness than the remainder of the yoke, which are stressed during assembly of the respirator to resiliently position wings of the yoke as dihedrals.
REFERENCES:
patent: 2206061 (1940-07-01), Splaine
patent: 2742039 (1956-04-01), Bloom
patent: 2746087 (1956-05-01), Dolezal
patent: 2942602 (1960-06-01), Seeler
patent: 3574306 (1971-04-01), Alden
Recla Henry J.
Siebe North, Inc.
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