Facemask

Details Facemask Facemask

1977-07-05

1979-11-06

Recla, Henry J.

Surgery

Truss

Pad

2 5, 2 6, A62B 700

Patent

active

041732200

ABSTRACT:
A facemask having a soft hood, a transparent eye piece, and a breathing mask forming an oro-nasal breathing chamber, all of which are integrally and uniformly secured to each other. The eye piece is flat and flexible, and when in use, forms a small space in front of the eyes isolated from the rest of the face and head. The breathing mask is provided with a voice disc and rapidly detachable couplings for breathing hoses. The soft, flexible hood is largely cut away at the ear portions where size adjustment bands are provided.

REFERENCES:
patent: 2488261 (1949-11-01), Bedini
patent: 2810385 (1957-10-01), Reed
patent: 3238943 (1966-03-01), Holley
patent: 3521628 (1970-07-01), Piel
patent: 3572332 (1971-03-01), Wise
patent: 3911913 (1975-10-01), June
patent: 3962519 (1976-06-01), Rusch et al.
patent: 4019508 (1977-04-01), Der Estephanian et al.
Braley, The Silicones as Tools in Biological Engineering, Jul. 1964, Med. Electron. Biol. Engin., vol. 3, pp. 127-136.

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