Protective clothing

Details Protective clothing Protective clothing

1980-01-31

1982-10-05

Walsh, Donald P.

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

12820123, 12820128, 12820524, 2 21A, A61M 1500, A62B 1800

Patent

active

043523536

ABSTRACT:
A respirator comprising a hood and visor adapted to protect a wearer against an undesirable substance and so closely to fit and envelop the wearer's head as to be susceptible of being worn underneath a helmet, the visor being formed to accommodate an oronasal mask and the respirator having purge gas supply means for maintaining a positive pressure within the respirator and for washing over the visor in visual regions thereof as well as breathing gas supply means.

REFERENCES:
patent: 2684066 (1954-07-01), Glidden
patent: 2935985 (1960-05-01), Andrews
patent: 3433222 (1969-03-01), Pinto
patent: 3739774 (1973-06-01), Gregory
The Art Supra was cited and provided Applicant in Patent Application Ser. No. 795,624.

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