Air purifying cartridges for respirators

Details Air purifying cartridges for respirators Air purifying cartridges for respirators

1979-10-30

1981-07-07

Smith, William F.

Chemical apparatus and process disinfecting, deodorizing, preser

For deodorizing of, or chemical purification of, or...

Including solid, extended surface, fluid contact reaction...

422181, 422206, 422222, 422218, 422239, 422188, 55484, 55DIG35, 12820226, A62B 708, F01N 315, B01J 802

Patent

active

042774438

ABSTRACT:
A cartridge for respirators for purifying expiratory air contains a chemical arranged in layers separated by partitions which are connected to a perforated central tube. The partition cooperates with a member spaced from a wall of the cartridge and a guide element disposed on the partition to provide alternate passage of the air into the layers.

REFERENCES:
patent: 1501286 (1924-07-01), Logan
patent: 1843446 (1932-02-01), Drager
patent: 2174528 (1939-10-01), Prentiss
patent: 2315525 (1943-04-01), Hulsberg
patent: 4193966 (1980-03-01), Dowgul

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