Respirator cartridge end-of-service lift indicator system and me

Details Respirator cartridge end-of-service lift indicator system and me Respirator cartridge end-of-service lift indicator system and me

1978-01-13

1979-05-15

Scovronek, Joseph

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55DIG33, 55DIG34, 252186, 252458, 252467, 422 86, 422120, B01D 5110, B01D 5304, G01N 3110, G01N 3122

Patent

active

041545869

ABSTRACT:
Providing visual means for indicating when vapor/gas respirator cartridges have exhausted their capacity to provide respiratory protection at or below a hazardous concentration level. In combination with a vapor/gas indicator adapted to undergo a change in color with contact by an organic vapor or gas, there is provided a catalytic agent for enhancing activation and reaction of the indicator agent.

REFERENCES:
patent: 2231181 (1941-02-01), Brooks
patent: 3223488 (1965-12-01), Luckey
patent: 3350175 (1967-10-01), McConnaughey et al.
patent: 3489507 (1970-01-01), Gardner et al.
patent: 3511596 (1970-05-01), Adler et al.
patent: 3966440 (1976-06-01), Roberts
patent: 4043934 (1977-08-01), Shuler et al.

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