F - Mech Eng,Light,Heat,Weapons – 41 – H
Patent
F - Mech Eng,Light,Heat,Weapons
41
H
2/43, 2/44, 2/72
F41H 1/00 (2006.01) A62B 17/04 (2006.01)
Patent
CA 1143902
ABSTRACT There is provided a protective industrial helmet which has a body of stiff tough material with a front opening for viewing and a bottom opening through which the head of the user can pass. An air inlet connection opens through the helmet below the front opening and means is provided for directing air across the front opening to avoid fogging. A visor of transparent material spans the front opening.
359444
Desbiens Marcel
Sim & Mcburney
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