ISOLATING APPARATUS WITH CHEMICALLY BOUND OXYGEN Russian patent published in 1997 - IPC

Abstract SU 1746566 A1

FIELD: respiratory technics. SUBSTANCE: apparatus contains casing and, disposed in it, regenerative cartridge 2 and respiratory sack 4 with excessive- pressure valve 5. Face part 6 communicates through hose 7 with cartridge 2. Exhaustion indicator is constructed in the form of valve 8 for oxygen release connected to hose 7 through manual cut-off valve 9. EFFECT: increased safety of operation owing to elevated reliability of cartridge exhaustion indication. 1 dwg

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SU 1 746 566 A1

Authors

Rusanov A.A.

Dates

1997-07-27—Published

1986-04-16—Filed