METHOD (VERSIONS) AND APPARATUS FOR PREVENTING FROM SMOKE INHALATION AT EMERGENCY SITUATIONS Russian patent published in 2001 - IPC

Abstract RU 2169595 C2

FIELD: protection of people in extreme situations, such as fire extinguishing. SUBSTANCE: method involves manufacturing casing provided with filtering medium and including device for determining whether the filter had been used before. Device allows used filter to be detected and, thus, prevents filtering system to be employed by fireman in forbidden way. EFFECT: increased efficiency by protecting from smoke inhalation in situations hazardous for people's life. 6 cl, 9 dwg

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RU 2 169 595 C2

Authors

Smit Dennis

Nelson Kehren

Morton Franses G.

Dates

2001-06-27—Published

1995-08-31—Filed