Respirator mask

Details Respirator mask Respirator mask

1976-03-25

1977-12-13

Truluck, Dalton L.

Surgery

Truss

Pad

A61M 1500

Patent

active

040623572

ABSTRACT:
This invention relates to a disposable respirator mask.
The present mask includes a hollow contact rim formed from a plastics blow-moulding which is filled with compressed air.
Further, the mask is also foldable for storage purposes.

REFERENCES:
patent: 2540567 (1951-02-01), Bennett
patent: 2995131 (1961-08-01), Elam et al.
patent: 3013556 (1961-12-01), Galleher, Jr.
patent: 3330274 (1976-07-01), Bennett

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