Filter mask

Details Filter mask Filter mask

1977-03-15

1979-03-27

Recla, Henry J.

Surgery

Truss

Pad

1281426, 131173, A62B 710

Patent

active

041460260

ABSTRACT:
A filter mask characterized by a filter receptacle which carries a liquid, such as water, into which a plurality of air inlet tubes extend. Air is drawn through the liquid by reason of the vacuum caused by breathing, filtering the contamination, and then passes through an associated face mask. The filter mask effectively removes contaminates in the air, as various forms of dust, solid or semi-solid particles, pollen, chemicals and the like.

REFERENCES:
patent: 556335 (1896-03-01), Cottingham
patent: 1948945 (1934-02-01), Seijo
patent: 2088720 (1937-08-01), Poliniak
patent: 3980080 (1976-09-01), Muto

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