Respirator cartridge with sealant dispersion member

Details Respirator cartridge with sealant dispersion member Respirator cartridge with sealant dispersion member

1990-04-12

1991-11-12

Fisher, J. Reed

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820527, 12820529, 55DIG35, 55DIG33, A62B 1808, A62B 710, A62B 2302, A62B 1900

Patent

active

050639269

ABSTRACT:
A respirator cartridge having body, cover and filter media elements, and including a sealant dispersion member in one of the body or cover elements. The dispersion member directs the sealant material to the peripheral edge of the filter media without wetting the filtering surface of the media. An improved method for rotational molding filter media in/or for a filter assembly is also provided.

REFERENCES:
patent: 1536857 (1925-05-01), Hudson
patent: 1781254 (1930-11-01), Stelzner
patent: 2269461 (1942-01-01), Lehmberg
patent: 2798483 (1957-07-01), Kashima
patent: 3944403 (1976-03-01), Simpson et al.
patent: 4154586 (1979-05-01), Jones et al.
patent: 4543112 (1985-09-01), Ackley et al.
patent: 4548626 (1985-10-01), Ackley et al.
patent: 4686976 (1987-08-01), Bakkila et al.
patent: 4714486 (1987-12-01), Silverthorn

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