Protective clothing

Details Protective clothing Protective clothing

A - Human Necessities

61

M

137/1.52

A61M 16/00 (2006.01) A62B 7/00 (2006.01) A62B 18/04 (2006.01) B64D 10/00 (2006.01)

Patent

CA 1090674

ABSTRACT OF THE DISCLOSURE 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 oro-nasal mask and the respirator having means for attenuating pressure differences between ear regions and face regions thereof and purge gas means for maintaining a positive pressure within the respirator and for washing over the visor in visual regions thereof.

278415

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